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Diffstat (limited to '')
266 files changed, 70510 insertions, 26 deletions
diff --git a/CryptoPP/3way.cpp b/CryptoPP/3way.cpp new file mode 100644 index 000000000..725b682ea --- /dev/null +++ b/CryptoPP/3way.cpp @@ -0,0 +1,139 @@ +// 3way.cpp - modifed by Wei Dai from Joan Daemen's 3way.c +// The original code and all modifications are in the public domain. + +#include "pch.h" +#include "3way.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void ThreeWay_TestInstantiations() +{ + ThreeWay::Encryption x1; + ThreeWay::Decryption x2; +} + +static const word32 START_E = 0x0b0b; // round constant of first encryption round +static const word32 START_D = 0xb1b1; // round constant of first decryption round +static const word32 RC_MODULUS = 0x11011; + +static inline word32 reverseBits(word32 a) +{ + a = ((a & 0xAAAAAAAA) >> 1) | ((a & 0x55555555) << 1); + a = ((a & 0xCCCCCCCC) >> 2) | ((a & 0x33333333) << 2); + return ((a & 0xF0F0F0F0) >> 4) | ((a & 0x0F0F0F0F) << 4); +} + +#define mu(a0, a1, a2) \ +{ \ + a1 = reverseBits(a1); \ + word32 t = reverseBits(a0); \ + a0 = reverseBits(a2); \ + a2 = t; \ +} + +#define pi_gamma_pi(a0, a1, a2) \ +{ \ + word32 b0, b2; \ + b2 = rotlFixed(a2, 1U); \ + b0 = rotlFixed(a0, 22U); \ + a0 = rotlFixed(b0 ^ (a1|(~b2)), 1U); \ + a2 = rotlFixed(b2 ^ (b0|(~a1)), 22U);\ + a1 ^= (b2|(~b0)); \ +} + +// thanks to Paulo Barreto for this optimized theta() +#define theta(a0, a1, a2) \ +{ \ + word32 b0, b1, c; \ + c = a0 ^ a1 ^ a2; \ + c = rotlFixed(c, 16U) ^ rotlFixed(c, 8U); \ + b0 = (a0 << 24) ^ (a2 >> 8) ^ (a1 << 8) ^ (a0 >> 24); \ + b1 = (a1 << 24) ^ (a0 >> 8) ^ (a2 << 8) ^ (a1 >> 24); \ + a0 ^= c ^ b0; \ + a1 ^= c ^ b1; \ + a2 ^= c ^ (b0 >> 16) ^ (b1 << 16); \ +} + +#define rho(a0, a1, a2) \ +{ \ + theta(a0, a1, a2); \ + pi_gamma_pi(a0, a1, a2); \ +} + +void ThreeWay::Base::UncheckedSetKey(const byte *uk, unsigned int length, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(length); + + m_rounds = GetRoundsAndThrowIfInvalid(params, this); + + for (unsigned int i=0; i<3; i++) + m_k[i] = (word32)uk[4*i+3] | ((word32)uk[4*i+2]<<8) | ((word32)uk[4*i+1]<<16) | ((word32)uk[4*i]<<24); + + if (!IsForwardTransformation()) + { + theta(m_k[0], m_k[1], m_k[2]); + mu(m_k[0], m_k[1], m_k[2]); + m_k[0] = ByteReverse(m_k[0]); + m_k[1] = ByteReverse(m_k[1]); + m_k[2] = ByteReverse(m_k[2]); + } +} + +void ThreeWay::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + typedef BlockGetAndPut<word32, BigEndian> Block; + + word32 a0, a1, a2; + Block::Get(inBlock)(a0)(a1)(a2); + + word32 rc = START_E; + + for(unsigned i=0; i<m_rounds; i++) + { + a0 ^= m_k[0] ^ (rc<<16); + a1 ^= m_k[1]; + a2 ^= m_k[2] ^ rc; + rho(a0, a1, a2); + + rc <<= 1; + if (rc&0x10000) rc ^= 0x11011; + } + a0 ^= m_k[0] ^ (rc<<16); + a1 ^= m_k[1]; + a2 ^= m_k[2] ^ rc; + theta(a0, a1, a2); + + Block::Put(xorBlock, outBlock)(a0)(a1)(a2); +} + +void ThreeWay::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + typedef BlockGetAndPut<word32, LittleEndian> Block; + + word32 a0, a1, a2; + Block::Get(inBlock)(a0)(a1)(a2); + + word32 rc = START_D; + + mu(a0, a1, a2); + for(unsigned i=0; i<m_rounds; i++) + { + a0 ^= m_k[0] ^ (rc<<16); + a1 ^= m_k[1]; + a2 ^= m_k[2] ^ rc; + rho(a0, a1, a2); + + rc <<= 1; + if (rc&0x10000) rc ^= 0x11011; + } + a0 ^= m_k[0] ^ (rc<<16); + a1 ^= m_k[1]; + a2 ^= m_k[2] ^ rc; + theta(a0, a1, a2); + mu(a0, a1, a2); + + Block::Put(xorBlock, outBlock)(a0)(a1)(a2); +} + +NAMESPACE_END diff --git a/CryptoPP/3way.h b/CryptoPP/3way.h new file mode 100644 index 000000000..33a619e2f --- /dev/null +++ b/CryptoPP/3way.h @@ -0,0 +1,53 @@ +#ifndef CRYPTOPP_THREEWAY_H +#define CRYPTOPP_THREEWAY_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11> +{ + static const char *StaticAlgorithmName() {return "3-Way";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#3-Way">3-Way</a> +class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ThreeWay_Info> + { + public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + + protected: + unsigned int m_rounds; + FixedSizeSecBlock<word32, 3> m_k; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef ThreeWay::Encryption ThreeWayEncryption; +typedef ThreeWay::Decryption ThreeWayDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/Doxyfile b/CryptoPP/Doxyfile new file mode 100644 index 000000000..c221fdf56 --- /dev/null +++ b/CryptoPP/Doxyfile @@ -0,0 +1,1634 @@ +# Doxyfile 1.7.1 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file +# that follow. The default is UTF-8 which is also the encoding used for all +# text before the first occurrence of this tag. Doxygen uses libiconv (or the +# iconv built into libc) for the transcoding. See +# http://www.gnu.org/software/libiconv for the list of possible encodings. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = Crypto++ + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. 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Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is NO. + +SHOW_DIRECTORIES = NO + +# Set the SHOW_FILES tag to NO to disable the generation of the Files page. +# This will remove the Files entry from the Quick Index and from the +# Folder Tree View (if specified). The default is YES. + +SHOW_FILES = YES + +# Set the SHOW_NAMESPACES tag to NO to disable the generation of the +# Namespaces page. +# This will remove the Namespaces entry from the Quick Index +# and from the Folder Tree View (if specified). The default is YES. + +SHOW_NAMESPACES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from +# the version control system). Doxygen will invoke the program by executing (via +# popen()) the command <command> <input-file>, where <command> is the value of +# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed +# by doxygen. The layout file controls the global structure of the generated +# output files in an output format independent way. The create the layout file +# that represents doxygen's defaults, run doxygen with the -l option. +# You can optionally specify a file name after the option, if omitted +# DoxygenLayout.xml will be used as the name of the layout file. + +LAYOUT_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = NO + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = NO + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be abled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = . + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is +# also the default input encoding. Doxygen uses libiconv (or the iconv built +# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for +# the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90 + +FILE_PATTERNS = *.h \ + *.cpp + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = NO + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = adhoc.cpp + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = . + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command <filter> <input-file>, where <filter> +# is the value of the INPUT_FILTER tag, and <input-file> is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. +# If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. +# Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. +# The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = YES + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = NO + +# If the REFERENCED_BY_RELATION tag is set to YES +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = YES + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. +# Otherwise they will link to the documentation. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = YES + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 3 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. +# Doxygen will adjust the colors in the stylesheet and background images +# according to this color. Hue is specified as an angle on a colorwheel, +# see http://en.wikipedia.org/wiki/Hue for more information. +# For instance the value 0 represents red, 60 is yellow, 120 is green, +# 180 is cyan, 240 is blue, 300 purple, and 360 is red again. +# The allowed range is 0 to 359. + +HTML_COLORSTYLE_HUE = 220 + +# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of +# the colors in the HTML output. For a value of 0 the output will use +# grayscales only. A value of 255 will produce the most vivid colors. + +HTML_COLORSTYLE_SAT = 100 + +# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to +# the luminance component of the colors in the HTML output. Values below +# 100 gradually make the output lighter, whereas values above 100 make +# the output darker. The value divided by 100 is the actual gamma applied, +# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2, +# and 100 does not change the gamma. + +HTML_COLORSTYLE_GAMMA = 80 + +# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML +# page will contain the date and time when the page was generated. Setting +# this to NO can help when comparing the output of multiple runs. + +HTML_TIMESTAMP = YES + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. For this to work a browser that supports +# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox +# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). + +HTML_DYNAMIC_SECTIONS = NO + +# If the GENERATE_DOCSET tag is set to YES, additional index files +# will be generated that can be used as input for Apple's Xcode 3 +# integrated development environment, introduced with OSX 10.5 (Leopard). +# To create a documentation set, doxygen will generate a Makefile in the +# HTML output directory. Running make will produce the docset in that +# directory and running "make install" will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find +# it at startup. +# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html +# for more information. + +GENERATE_DOCSET = NO + +# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the +# feed. A documentation feed provides an umbrella under which multiple +# documentation sets from a single provider (such as a company or product suite) +# can be grouped. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that +# should uniquely identify the documentation set bundle. This should be a +# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen +# will append .docset to the name. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely identify +# the documentation publisher. This should be a reverse domain-name style +# string, e.g. com.mycompany.MyDocSet.documentation. + +DOCSET_PUBLISHER_ID = org.doxygen.Publisher + +# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher. + +DOCSET_PUBLISHER_NAME = Publisher + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = YES + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING +# is used to encode HtmlHelp index (hhk), content (hhc) and project file +# content. + +CHM_INDEX_ENCODING = + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and +# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated +# that can be used as input for Qt's qhelpgenerator to generate a +# Qt Compressed Help (.qch) of the generated HTML documentation. + +GENERATE_QHP = NO + +# If the QHG_LOCATION tag is specified, the QCH_FILE tag can +# be used to specify the file name of the resulting .qch file. +# The path specified is relative to the HTML output folder. + +QCH_FILE = + +# The QHP_NAMESPACE tag specifies the namespace to use when generating +# Qt Help Project output. For more information please see +# http://doc.trolltech.com/qthelpproject.html#namespace + +QHP_NAMESPACE = org.doxygen.Project + +# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating +# Qt Help Project output. For more information please see +# http://doc.trolltech.com/qthelpproject.html#virtual-folders + +QHP_VIRTUAL_FOLDER = doc + +# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to +# add. For more information please see +# http://doc.trolltech.com/qthelpproject.html#custom-filters + +QHP_CUST_FILTER_NAME = + +# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the +# custom filter to add. For more information please see +# <a href="http://doc.trolltech.com/qthelpproject.html#custom-filters"> +# Qt Help Project / Custom Filters</a>. + +QHP_CUST_FILTER_ATTRS = + +# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this +# project's +# filter section matches. +# <a href="http://doc.trolltech.com/qthelpproject.html#filter-attributes"> +# Qt Help Project / Filter Attributes</a>. + +QHP_SECT_FILTER_ATTRS = + +# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can +# be used to specify the location of Qt's qhelpgenerator. +# If non-empty doxygen will try to run qhelpgenerator on the generated +# .qhp file. + +QHG_LOCATION = + +# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files +# will be generated, which together with the HTML files, form an Eclipse help +# plugin. To install this plugin and make it available under the help contents +# menu in Eclipse, the contents of the directory containing the HTML and XML +# files needs to be copied into the plugins directory of eclipse. The name of +# the directory within the plugins directory should be the same as +# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before +# the help appears. + +GENERATE_ECLIPSEHELP = NO + +# A unique identifier for the eclipse help plugin. When installing the plugin +# the directory name containing the HTML and XML files should also have +# this name. + +ECLIPSE_DOC_ID = org.doxygen.Project + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. +# If the tag value is set to YES, a side panel will be generated +# containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). +# Windows users are probably better off using the HTML help feature. + +GENERATE_TREEVIEW = NO + +# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, +# and Class Hierarchy pages using a tree view instead of an ordered list. + +USE_INLINE_TREES = NO + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open +# links to external symbols imported via tag files in a separate window. + +EXT_LINKS_IN_WINDOW = NO + +# Use this tag to change the font size of Latex formulas included +# as images in the HTML documentation. The default is 10. Note that +# when you change the font size after a successful doxygen run you need +# to manually remove any form_*.png images from the HTML output directory +# to force them to be regenerated. + +FORMULA_FONTSIZE = 10 + +# Use the FORMULA_TRANPARENT tag to determine whether or not the images +# generated for formulas are transparent PNGs. Transparent PNGs are +# not supported properly for IE 6.0, but are supported on all modern browsers. +# Note that when changing this option you need to delete any form_*.png files +# in the HTML output before the changes have effect. + +FORMULA_TRANSPARENT = YES + +# When the SEARCHENGINE tag is enabled doxygen will generate a search box +# for the HTML output. The underlying search engine uses javascript +# and DHTML and should work on any modern browser. Note that when using +# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets +# (GENERATE_DOCSET) there is already a search function so this one should +# typically be disabled. For large projects the javascript based search engine +# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution. + +SEARCHENGINE = NO + +# When the SERVER_BASED_SEARCH tag is enabled the search engine will be +# implemented using a PHP enabled web server instead of at the web client +# using Javascript. Doxygen will generate the search PHP script and index +# file to put on the web server. The advantage of the server +# based approach is that it scales better to large projects and allows +# full text search. The disadvances is that it is more difficult to setup +# and does not have live searching capabilities. + +SERVER_BASED_SEARCH = NO + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. +# Note that when enabling USE_PDFLATEX this option is only used for +# generating bitmaps for formulas in the HTML output, but not in the +# Makefile that is written to the output directory. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4 + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = NO + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = NO + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +# If LATEX_SOURCE_CODE is set to YES then doxygen will include +# source code with syntax highlighting in the LaTeX output. +# Note that which sources are shown also depends on other settings +# such as SOURCE_BROWSER. + +LATEX_SOURCE_CODE = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = NO + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. +# This is useful +# if you want to understand what is going on. +# On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. If set to NO (the default) only conditional +# compilation will be performed. Macro expansion can be done in a controlled +# way by setting EXPAND_ONLY_PREDEF to YES. + +MACRO_EXPANSION = YES + +# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES +# then the macro expansion is limited to the macros specified with the +# PREDEFINED and EXPAND_AS_DEFINED tags. + +EXPAND_ONLY_PREDEF = NO + +# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files +# in the INCLUDE_PATH (see below) will be search if a #include is found. + +SEARCH_INCLUDES = YES + +# The INCLUDE_PATH tag can be used to specify one or more directories that +# contain include files that are not input files but should be processed by +# the preprocessor. + +INCLUDE_PATH = . + +# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard +# patterns (like *.h and *.hpp) to filter out the header-files in the +# directories. If left blank, the patterns specified with FILE_PATTERNS will +# be used. + +INCLUDE_FILE_PATTERNS = + +# The PREDEFINED tag can be used to specify one or more macro names that +# are defined before the preprocessor is started (similar to the -D option of +# gcc). The argument of the tag is a list of macros of the form: name +# or name=definition (no spaces). If the definition and the = are +# omitted =1 is assumed. To prevent a macro definition from being +# undefined via #undef or recursively expanded use the := operator +# instead of the = operator. + +PREDEFINED = _WIN32 \ + _WINDOWS \ + __FreeBSD__ \ + CRYPTOPP_DOXYGEN_PROCESSING + +# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then +# this tag can be used to specify a list of macro names that should be expanded. +# The macro definition that is found in the sources will be used. +# Use the PREDEFINED tag if you want to use a different macro definition. + +EXPAND_AS_DEFINED = + +# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then +# doxygen's preprocessor will remove all function-like macros that are alone +# on a line, have an all uppercase name, and do not end with a semicolon. Such +# function macros are typically used for boiler-plate code, and will confuse +# the parser if not removed. + +SKIP_FUNCTION_MACROS = YES + +#--------------------------------------------------------------------------- +# Configuration::additions related to external references +#--------------------------------------------------------------------------- + +# The TAGFILES option can be used to specify one or more tagfiles. +# Optionally an initial location of the external documentation +# can be added for each tagfile. The format of a tag file without +# this location is as follows: +# +# TAGFILES = file1 file2 ... +# Adding location for the tag files is done as follows: +# +# TAGFILES = file1=loc1 "file2 = loc2" ... +# where "loc1" and "loc2" can be relative or absolute paths or +# URLs. If a location is present for each tag, the installdox tool +# does not have to be run to correct the links. +# Note that each tag file must have a unique name +# (where the name does NOT include the path) +# If a tag file is not located in the directory in which doxygen +# is run, you must also specify the path to the tagfile here. + +TAGFILES = + +# When a file name is specified after GENERATE_TAGFILE, doxygen will create +# a tag file that is based on the input files it reads. + +GENERATE_TAGFILE = + +# If the ALLEXTERNALS tag is set to YES all external classes will be listed +# in the class index. If set to NO only the inherited external classes +# will be listed. + +ALLEXTERNALS = NO + +# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed +# in the modules index. If set to NO, only the current project's groups will +# be listed. + +EXTERNAL_GROUPS = YES + +# The PERL_PATH should be the absolute path and name of the perl script +# interpreter (i.e. the result of `which perl'). + +PERL_PATH = /usr/bin/perl + +#--------------------------------------------------------------------------- +# Configuration options related to the dot tool +#--------------------------------------------------------------------------- + +# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will +# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base +# or super classes. Setting the tag to NO turns the diagrams off. Note that +# this option is superseded by the HAVE_DOT option below. This is only a +# fallback. It is recommended to install and use dot, since it yields more +# powerful graphs. + +CLASS_DIAGRAMS = YES + +# You can define message sequence charts within doxygen comments using the \msc +# command. Doxygen will then run the mscgen tool (see +# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the +# documentation. The MSCGEN_PATH tag allows you to specify the directory where +# the mscgen tool resides. If left empty the tool is assumed to be found in the +# default search path. + +MSCGEN_PATH = + +# If set to YES, the inheritance and collaboration graphs will hide +# inheritance and usage relations if the target is undocumented +# or is not a class. + +HIDE_UNDOC_RELATIONS = YES + +# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is +# available from the path. This tool is part of Graphviz, a graph visualization +# toolkit from AT&T and Lucent Bell Labs. The other options in this section +# have no effect if this option is set to NO (the default) + +HAVE_DOT = NO + +# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is +# allowed to run in parallel. When set to 0 (the default) doxygen will +# base this on the number of processors available in the system. You can set it +# explicitly to a value larger than 0 to get control over the balance +# between CPU load and processing speed. + +DOT_NUM_THREADS = 0 + +# By default doxygen will write a font called FreeSans.ttf to the output +# directory and reference it in all dot files that doxygen generates. This +# font does not include all possible unicode characters however, so when you need +# these (or just want a differently looking font) you can specify the font name +# using DOT_FONTNAME. You need need to make sure dot is able to find the font, +# which can be done by putting it in a standard location or by setting the +# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory +# containing the font. + +DOT_FONTNAME = FreeSans.ttf + +# The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs. +# The default size is 10pt. + +DOT_FONTSIZE = 10 + +# By default doxygen will tell dot to use the output directory to look for the +# FreeSans.ttf font (which doxygen will put there itself). If you specify a +# different font using DOT_FONTNAME you can set the path where dot +# can find it using this tag. + +DOT_FONTPATH = + +# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect inheritance relations. Setting this tag to YES will force the +# the CLASS_DIAGRAMS tag to NO. + +CLASS_GRAPH = YES + +# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for each documented class showing the direct and +# indirect implementation dependencies (inheritance, containment, and +# class references variables) of the class with other documented classes. + +COLLABORATION_GRAPH = YES + +# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen +# will generate a graph for groups, showing the direct groups dependencies + +GROUP_GRAPHS = YES + +# If the UML_LOOK tag is set to YES doxygen will generate inheritance and +# collaboration diagrams in a style similar to the OMG's Unified Modeling +# Language. + +UML_LOOK = NO + +# If set to YES, the inheritance and collaboration graphs will show the +# relations between templates and their instances. + +TEMPLATE_RELATIONS = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT +# tags are set to YES then doxygen will generate a graph for each documented +# file showing the direct and indirect include dependencies of the file with +# other documented files. + +INCLUDE_GRAPH = YES + +# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and +# HAVE_DOT tags are set to YES then doxygen will generate a graph for each +# documented header file showing the documented files that directly or +# indirectly include this file. + +INCLUDED_BY_GRAPH = YES + +# If the CALL_GRAPH and HAVE_DOT options are set to YES then +# doxygen will generate a call dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable call graphs +# for selected functions only using the \callgraph command. + +CALL_GRAPH = NO + +# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then +# doxygen will generate a caller dependency graph for every global function +# or class method. Note that enabling this option will significantly increase +# the time of a run. So in most cases it will be better to enable caller +# graphs for selected functions only using the \callergraph command. + +CALLER_GRAPH = NO + +# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen +# will graphical hierarchy of all classes instead of a textual one. + +GRAPHICAL_HIERARCHY = YES + +# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES +# then doxygen will show the dependencies a directory has on other directories +# in a graphical way. The dependency relations are determined by the #include +# relations between the files in the directories. + +DIRECTORY_GRAPH = YES + +# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images +# generated by dot. Possible values are png, jpg, or gif +# If left blank png will be used. + +DOT_IMAGE_FORMAT = png + +# The tag DOT_PATH can be used to specify the path where the dot tool can be +# found. If left blank, it is assumed the dot tool can be found in the path. + +DOT_PATH = + +# The DOTFILE_DIRS tag can be used to specify one or more directories that +# contain dot files that are included in the documentation (see the +# \dotfile command). + +DOTFILE_DIRS = + +# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of +# nodes that will be shown in the graph. If the number of nodes in a graph +# becomes larger than this value, doxygen will truncate the graph, which is +# visualized by representing a node as a red box. Note that doxygen if the +# number of direct children of the root node in a graph is already larger than +# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note +# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. + +DOT_GRAPH_MAX_NODES = 50 + +# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the +# graphs generated by dot. A depth value of 3 means that only nodes reachable +# from the root by following a path via at most 3 edges will be shown. Nodes +# that lay further from the root node will be omitted. Note that setting this +# option to 1 or 2 may greatly reduce the computation time needed for large +# code bases. Also note that the size of a graph can be further restricted by +# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. + +MAX_DOT_GRAPH_DEPTH = 0 + +# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent +# background. This is disabled by default, because dot on Windows does not +# seem to support this out of the box. Warning: Depending on the platform used, +# enabling this option may lead to badly anti-aliased labels on the edges of +# a graph (i.e. they become hard to read). + +DOT_TRANSPARENT = NO + +# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output +# files in one run (i.e. multiple -o and -T options on the command line). This +# makes dot run faster, but since only newer versions of dot (>1.8.10) +# support this, this feature is disabled by default. + +DOT_MULTI_TARGETS = NO + +# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will +# generate a legend page explaining the meaning of the various boxes and +# arrows in the dot generated graphs. + +GENERATE_LEGEND = YES + +# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will +# remove the intermediate dot files that are used to generate +# the various graphs. + +DOT_CLEANUP = YES diff --git a/CryptoPP/License.txt b/CryptoPP/License.txt new file mode 100644 index 000000000..043e4b698 --- /dev/null +++ b/CryptoPP/License.txt @@ -0,0 +1,62 @@ +Compilation Copyright (c) 1995-2010 by Wei Dai. All rights reserved. +This copyright applies only to this software distribution package +as a compilation, and does not imply a copyright on any particular +file in the package. + +All individual files in this compilation are placed in the public domain by +Wei Dai and other contributors. + +I would like to thank the following authors for placing their works into +the public domain: + +Joan Daemen - 3way.cpp +Leonard Janke - cast.cpp, seal.cpp +Steve Reid - cast.cpp +Phil Karn - des.cpp +Andrew M. Kuchling - md2.cpp, md4.cpp +Colin Plumb - md5.cpp +Seal Woods - rc6.cpp +Chris Morgan - rijndael.cpp +Paulo Baretto - rijndael.cpp, skipjack.cpp, square.cpp +Richard De Moliner - safer.cpp +Matthew Skala - twofish.cpp +Kevin Springle - camellia.cpp, shacal2.cpp, ttmac.cpp, whrlpool.cpp, ripemd.cpp + +Permission to use, copy, modify, and distribute this compilation for +any purpose, including commercial applications, is hereby granted +without fee, subject to the following restrictions: + +1. Any copy or modification of this compilation in any form, except +in object code form as part of an application software, must include +the above copyright notice and this license. + +2. Users of this software agree that any modification or extension +they provide to Wei Dai will be considered public domain and not +copyrighted unless it includes an explicit copyright notice. + +3. Wei Dai makes no warranty or representation that the operation of the +software in this compilation will be error-free, and Wei Dai is under no +obligation to provide any services, by way of maintenance, update, or +otherwise. THE SOFTWARE AND ANY DOCUMENTATION ARE PROVIDED "AS IS" +WITHOUT EXPRESS OR IMPLIED WARRANTY INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. IN NO EVENT WILL WEI DAI OR ANY OTHER CONTRIBUTOR BE LIABLE FOR +DIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + +4. Users will not use Wei Dai or any other contributor's name in any +publicity or advertising, without prior written consent in each case. + +5. Export of this software from the United States may require a +specific license from the United States Government. It is the +responsibility of any person or organization contemplating export +to obtain such a license before exporting. + +6. Certain parts of this software may be protected by patents. It +is the users' responsibility to obtain the appropriate +licenses before using those parts. + +If this compilation is used in object code form in an application +software, acknowledgement of the author is not required but would be +appreciated. The contribution of any useful modifications or extensions +to Wei Dai is not required but would also be appreciated. diff --git a/CryptoPP/Readme.txt b/CryptoPP/Readme.txt new file mode 100644 index 000000000..1b26794a0 --- /dev/null +++ b/CryptoPP/Readme.txt @@ -0,0 +1,444 @@ +Crypto++: a C++ Class Library of Cryptographic Schemes +Version 5.6.1 (8/9/2010, SVN r520) + +Crypto++ Library is a free C++ class library of cryptographic schemes. +Currently the library contains the following algorithms: + + algorithm type name + + authenticated encryption schemes GCM, CCM, EAX + + high speed stream ciphers Panama, Sosemanuk, Salsa20, XSalsa20 + + AES and AES candidates AES (Rijndael), RC6, MARS, Twofish, Serpent, + CAST-256 + + IDEA, Triple-DES (DES-EDE2 and DES-EDE3), + other block ciphers Camellia, SEED, RC5, Blowfish, TEA, XTEA, + Skipjack, SHACAL-2 + + block cipher modes of operation ECB, CBC, CBC ciphertext stealing (CTS), + CFB, OFB, counter mode (CTR) + + message authentication codes VMAC, HMAC, GMAC, CMAC, CBC-MAC, DMAC, + Two-Track-MAC + + SHA-1, SHA-2 (SHA-224, SHA-256, SHA-384, and + hash functions SHA-512), Tiger, WHIRLPOOL, RIPEMD-128, + RIPEMD-256, RIPEMD-160, RIPEMD-320 + + RSA, DSA, ElGamal, Nyberg-Rueppel (NR), + public-key cryptography Rabin-Williams (RW), LUC, LUCELG, + DLIES (variants of DHAES), ESIGN + + padding schemes for public-key PKCS#1 v2.0, OAEP, PSS, PSSR, IEEE P1363 + systems EMSA2 and EMSA5 + + Diffie-Hellman (DH), Unified Diffie-Hellman + key agreement schemes (DH2), Menezes-Qu-Vanstone (MQV), LUCDIF, + XTR-DH + + elliptic curve cryptography ECDSA, ECNR, ECIES, ECDH, ECMQV + + insecure or obsolescent MD2, MD4, MD5, Panama Hash, DES, ARC4, SEAL +algorithms retained for backwards 3.0, WAKE, WAKE-OFB, DESX (DES-XEX3), RC2, + compatibility and historical SAFER, 3-WAY, GOST, SHARK, CAST-128, Square + value + +Other features include: + + * pseudo random number generators (PRNG): ANSI X9.17 appendix C, RandomPool + * password based key derivation functions: PBKDF1 and PBKDF2 from PKCS #5, + PBKDF from PKCS #12 appendix B + * Shamir's secret sharing scheme and Rabin's information dispersal algorithm + (IDA) + * fast multi-precision integer (bignum) and polynomial operations + * finite field arithmetics, including GF(p) and GF(2^n) + * prime number generation and verification + * useful non-cryptographic algorithms + + DEFLATE (RFC 1951) compression/decompression with gzip (RFC 1952) and + zlib (RFC 1950) format support + + hex, base-32, and base-64 coding/decoding + + 32-bit CRC and Adler32 checksum + * class wrappers for these operating system features (optional): + + high resolution timers on Windows, Unix, and Mac OS + + Berkeley and Windows style sockets + + Windows named pipes + + /dev/random, /dev/urandom, /dev/srandom + + Microsoft's CryptGenRandom on Windows + * A high level interface for most of the above, using a filter/pipeline + metaphor + * benchmarks and validation testing + * x86, x86-64 (x64), MMX, and SSE2 assembly code for the most commonly used + algorithms, with run-time CPU feature detection and code selection + * some versions are available in FIPS 140-2 validated form + +You are welcome to use it for any purpose without paying me, but see +License.txt for the fine print. + +The following compilers are supported for this release. Please visit +http://www.cryptopp.com the most up to date build instructions and porting notes. + + * MSVC 6.0 - 2010 + * GCC 3.3 - 4.5 + * C++Builder 2010 + * Intel C++ Compiler 9 - 11.1 + * Sun Studio 12u1, Express 11/08, Express 06/10 + +*** Important Usage Notes *** + +1. If a constructor for A takes a pointer to an object B (except primitive +types such as int and char), then A owns B and will delete B at A's +destruction. If a constructor for A takes a reference to an object B, +then the caller retains ownership of B and should not destroy it until +A no longer needs it. + +2. Crypto++ is thread safe at the class level. This means you can use +Crypto++ safely in a multithreaded application, but you must provide +synchronization when multiple threads access a common Crypto++ object. + +*** MSVC-Specific Information *** + +On Windows, Crypto++ can be compiled into 3 forms: a static library +including all algorithms, a DLL with only FIPS Approved algorithms, and +a static library with only algorithms not in the DLL. +(FIPS Approved means Approved according to the FIPS 140-2 standard.) +The DLL may be used by itself, or it may be used together with the second +form of the static library. MSVC project files are included to build +all three forms, and sample applications using each of the three forms +are also included. + +To compile Crypto++ with MSVC, open the "cryptest.dsw" (for MSVC 6 and MSVC .NET +2003) or "cryptest.sln" (for MSVC 2005 - 2010) workspace file and build one or +more of the following projects: + +cryptopp - This builds the DLL. Please note that if you wish to use Crypto++ + as a FIPS validated module, you must use a pre-built DLL that has undergone + the FIPS validation process instead of building your own. +dlltest - This builds a sample application that only uses the DLL. +cryptest Non-DLL-Import Configuration - This builds the full static library + along with a full test driver. +cryptest DLL-Import Configuration - This builds a static library containing + only algorithms not in the DLL, along with a full test driver that uses + both the DLL and the static library. + +To use the Crypto++ DLL in your application, #include "dll.h" before including +any other Crypto++ header files, and place the DLL in the same directory as +your .exe file. dll.h includes the line #pragma comment(lib, "cryptopp") +so you don't have to explicitly list the import library in your project +settings. To use a static library form of Crypto++, make the "cryptlib" +project a dependency of your application project, or specify it as +an additional library to link with in your project settings. +In either case you should check the compiler options to +make sure that the library and your application are using the same C++ +run-time libraries and calling conventions. + +*** DLL Memory Management *** + +Because it's possible for the Crypto++ DLL to delete objects allocated +by the calling application, they must use the same C++ memory heap. Three +methods are provided to achieve this. +1. The calling application can tell Crypto++ what heap to use. This method + is required when the calling application uses a non-standard heap. +2. Crypto++ can tell the calling application what heap to use. This method + is required when the calling application uses a statically linked C++ Run + Time Library. (Method 1 does not work in this case because the Crypto++ DLL + is initialized before the calling application's heap is initialized.) +3. Crypto++ can automatically use the heap provided by the calling application's + dynamically linked C++ Run Time Library. The calling application must + make sure that the dynamically linked C++ Run Time Library is initialized + before Crypto++ is loaded. (At this time it is not clear if it is possible + to control the order in which DLLs are initialized on Windows 9x machines, + so it might be best to avoid using this method.) + +When Crypto++ attaches to a new process, it searches all modules loaded +into the process space for exported functions "GetNewAndDeleteForCryptoPP" +and "SetNewAndDeleteFromCryptoPP". If one of these functions is found, +Crypto++ uses methods 1 or 2, respectively, by calling the function. +Otherwise, method 3 is used. + +*** GCC-Specific Information *** + +A makefile is included for you to compile Crypto++ with GCC. Make sure +you are using GNU Make and GNU ld. The make process will produce two files, +libcryptopp.a and cryptest.exe. Run "cryptest.exe v" for the validation +suite. + +*** Documentation and Support *** + +Crypto++ is documented through inline comments in header files, which are +processed through Doxygen to produce an HTML reference manual. You can find +a link to the manual from http://www.cryptopp.com. Also at that site is +the Crypto++ FAQ, which you should browse through before attempting to +use this library, because it will likely answer many of questions that +may come up. + +If you run into any problems, please try the Crypto++ mailing list. +The subscription information and the list archive are available on +http://www.cryptopp.com. You can also email me directly by visiting +http://www.weidai.com, but you will probably get a faster response through +the mailing list. + +*** History *** + +1.0 - First public release. Withdrawn at the request of RSA DSI. + - included Blowfish, BBS, DES, DH, Diamond, DSA, ElGamal, IDEA, + MD5, RC4, RC5, RSA, SHA, WAKE, secret sharing, DEFLATE compression + - had a serious bug in the RSA key generation code. + +1.1 - Removed RSA, RC4, RC5 + - Disabled calls to RSAREF's non-public functions + - Minor bugs fixed + +2.0 - a completely new, faster multiprecision integer class + - added MD5-MAC, HAVAL, 3-WAY, TEA, SAFER, LUC, Rabin, BlumGoldwasser, + elliptic curve algorithms + - added the Lucas strong probable primality test + - ElGamal encryption and signature schemes modified to avoid weaknesses + - Diamond changed to Diamond2 because of key schedule weakness + - fixed bug in WAKE key setup + - SHS class renamed to SHA + - lots of miscellaneous optimizations + +2.1 - added Tiger, HMAC, GOST, RIPE-MD160, LUCELG, LUCDIF, XOR-MAC, + OAEP, PSSR, SHARK + - added precomputation to DH, ElGamal, DSA, and elliptic curve algorithms + - added back RC5 and a new RSA + - optimizations in elliptic curves over GF(p) + - changed Rabin to use OAEP and PSSR + - changed many classes to allow copy constructors to work correctly + - improved exception generation and handling + +2.2 - added SEAL, CAST-128, Square + - fixed bug in HAVAL (padding problem) + - fixed bug in triple-DES (decryption order was reversed) + - fixed bug in RC5 (couldn't handle key length not a multiple of 4) + - changed HMAC to conform to RFC-2104 (which is not compatible + with the original HMAC) + - changed secret sharing and information dispersal to use GF(2^32) + instead of GF(65521) + - removed zero knowledge prover/verifier for graph isomorphism + - removed several utility classes in favor of the C++ standard library + +2.3 - ported to EGCS + - fixed incomplete workaround of min/max conflict in MSVC + +3.0 - placed all names into the "CryptoPP" namespace + - added MD2, RC2, RC6, MARS, RW, DH2, MQV, ECDHC, CBC-CTS + - added abstract base classes PK_SimpleKeyAgreementDomain and + PK_AuthenticatedKeyAgreementDomain + - changed DH and LUCDIF to implement the PK_SimpleKeyAgreementDomain + interface and to perform domain parameter and key validation + - changed interfaces of PK_Signer and PK_Verifier to sign and verify + messages instead of message digests + - changed OAEP to conform to PKCS#1 v2.0 + - changed benchmark code to produce HTML tables as output + - changed PSSR to track IEEE P1363a + - renamed ElGamalSignature to NR and changed it to track IEEE P1363 + - renamed ECKEP to ECMQVC and changed it to track IEEE P1363 + - renamed several other classes for clarity + - removed support for calling RSAREF + - removed option to compile old SHA (SHA-0) + - removed option not to throw exceptions + +3.1 - added ARC4, Rijndael, Twofish, Serpent, CBC-MAC, DMAC + - added interface for querying supported key lengths of symmetric ciphers + and MACs + - added sample code for RSA signature and verification + - changed CBC-CTS to be compatible with RFC 2040 + - updated SEAL to version 3.0 of the cipher specification + - optimized multiprecision squaring and elliptic curves over GF(p) + - fixed bug in MARS key setup + - fixed bug with attaching objects to Deflator + +3.2 - added DES-XEX3, ECDSA, DefaultEncryptorWithMAC + - renamed DES-EDE to DES-EDE2 and TripleDES to DES-EDE3 + - optimized ARC4 + - generalized DSA to allow keys longer than 1024 bits + - fixed bugs in GF2N and ModularArithmetic that can cause calculation errors + - fixed crashing bug in Inflator when given invalid inputs + - fixed endian bug in Serpent + - fixed padding bug in Tiger + +4.0 - added Skipjack, CAST-256, Panama, SHA-2 (SHA-256, SHA-384, and SHA-512), + and XTR-DH + - added a faster variant of Rabin's Information Dispersal Algorithm (IDA) + - added class wrappers for these operating system features: + - high resolution timers on Windows, Unix, and MacOS + - Berkeley and Windows style sockets + - Windows named pipes + - /dev/random and /dev/urandom on Linux and FreeBSD + - Microsoft's CryptGenRandom on Windows + - added support for SEC 1 elliptic curve key format and compressed points + - added support for X.509 public key format (subjectPublicKeyInfo) for + RSA, DSA, and elliptic curve schemes + - added support for DER and OpenPGP signature format for DSA + - added support for ZLIB compressed data format (RFC 1950) + - changed elliptic curve encryption to use ECIES (as defined in SEC 1) + - changed MARS key schedule to reflect the latest specification + - changed BufferedTransformation interface to support multiple channels + and messages + - changed CAST and SHA-1 implementations to use public domain source code + - fixed bug in StringSource + - optmized multi-precision integer code for better performance + +4.1 - added more support for the recommended elliptic curve parameters in SEC 2 + - added Panama MAC, MARC4 + - added IV stealing feature to CTS mode + - added support for PKCS #8 private key format for RSA, DSA, and elliptic + curve schemes + - changed Deflate, MD5, Rijndael, and Twofish to use public domain code + - fixed a bug with flushing compressed streams + - fixed a bug with decompressing stored blocks + - fixed a bug with EC point decompression using non-trinomial basis + - fixed a bug in NetworkSource::GeneralPump() + - fixed a performance issue with EC over GF(p) decryption + - fixed syntax to allow GCC to compile without -fpermissive + - relaxed some restrictions in the license + +4.2 - added support for longer HMAC keys + - added MD4 (which is not secure so use for compatibility purposes only) + - added compatibility fixes/workarounds for STLport 4.5, GCC 3.0.2, + and MSVC 7.0 + - changed MD2 to use public domain code + - fixed a bug with decompressing multiple messages with the same object + - fixed a bug in CBC-MAC with MACing multiple messages with the same object + - fixed a bug in RC5 and RC6 with zero-length keys + - fixed a bug in Adler32 where incorrect checksum may be generated + +5.0 - added ESIGN, DLIES, WAKE-OFB, PBKDF1 and PBKDF2 from PKCS #5 + - added key validation for encryption and signature public/private keys + - renamed StreamCipher interface to SymmetricCipher, which is now implemented + by both stream ciphers and block cipher modes including ECB and CBC + - added keying interfaces to support resetting of keys and IVs without + having to destroy and recreate objects + - changed filter interface to support non-blocking input/output + - changed SocketSource and SocketSink to use overlapped I/O on Microsoft Windows + - grouped related classes inside structs to help templates, for example + AESEncryption and AESDecryption are now AES::Encryption and AES::Decryption + - where possible, typedefs have been added to improve backwards + compatibility when the CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY macro is defined + - changed Serpent, HAVAL and IDEA to use public domain code + - implemented SSE2 optimizations for Integer operations + - fixed a bug in HMAC::TruncatedFinal() + - fixed SKIPJACK byte ordering following NIST clarification dated 5/9/02 + +5.01 - added known answer test for X9.17 RNG in FIPS 140 power-up self test + - submitted to NIST/CSE, but not publicly released + +5.02 - changed EDC test to MAC integrity check using HMAC/SHA1 + - improved performance of integrity check + - added blinding to defend against RSA timing attack + +5.03 - created DLL version of Crypto++ for FIPS 140-2 validation + - fixed vulnerabilities in GetNextIV for CTR and OFB modes + +5.0.4 - Removed DES, SHA-256, SHA-384, SHA-512 from DLL + +5.1 - added PSS padding and changed PSSR to track IEEE P1363a draft standard + - added blinding for RSA and Rabin to defend against timing attacks + on decryption operations + - changed signing and decryption APIs to support the above + - changed WaitObjectContainer to allow waiting for more than 64 + objects at a time on Win32 platforms + - fixed a bug in CBC and ECB modes with processing non-aligned data + - fixed standard conformance bugs in DLIES (DHAES mode) and RW/EMSA2 + signature scheme (these fixes are not backwards compatible) + - fixed a number of compiler warnings, minor bugs, and portability problems + - removed Sapphire + +5.2 - merged in changes for 5.01 - 5.0.4 + - added support for using encoding parameters and key derivation parameters + with public key encryption (implemented by OAEP and DL/ECIES) + - added Camellia, SHACAL-2, Two-Track-MAC, Whirlpool, RIPEMD-320, + RIPEMD-128, RIPEMD-256, Base-32 coding, FIPS variant of CFB mode + - added ThreadUserTimer for timing thread CPU usage + - added option for password-based key derivation functions + to iterate until a mimimum elapsed thread CPU time is reached + - added option (on by default) for DEFLATE compression to detect + uncompressible files and process them more quickly + - improved compatibility and performance on 64-bit platforms, + including Alpha, IA-64, x86-64, PPC64, Sparc64, and MIPS64 + - fixed ONE_AND_ZEROS_PADDING to use 0x80 instead 0x01 as padding. + - fixed encoding/decoding of PKCS #8 privateKeyInfo to properly + handle optional attributes + +5.2.1 - fixed bug in the "dlltest" DLL testing program + - fixed compiling with STLport using VC .NET + - fixed compiling with -fPIC using GCC + - fixed compiling with -msse2 on systems without memalign() + - fixed inability to instantiate PanamaMAC + - fixed problems with inline documentation + +5.2.2 - added SHA-224 + - put SHA-256, SHA-384, SHA-512, RSASSA-PSS into DLL + +5.2.3 - fixed issues with FIPS algorithm test vectors + - put RSASSA-ISO into DLL + +5.3 - ported to MSVC 2005 with support for x86-64 + - added defense against AES timing attacks, and more AES test vectors + - changed StaticAlgorithmName() of Rijndael to "AES", CTR to "CTR" + +5.4 - added Salsa20 + - updated Whirlpool to version 3.0 + - ported to GCC 4.1, Sun C++ 5.8, and Borland C++Builder 2006 + +5.5 - added VMAC and Sosemanuk (with x86-64 and SSE2 assembly) + - improved speed of integer arithmetic, AES, SHA-512, Tiger, Salsa20, + Whirlpool, and PANAMA cipher using assembly (x86-64, MMX, SSE2) + - optimized Camellia and added defense against timing attacks + - updated benchmarks code to show cycles per byte and to time key/IV setup + - started using OpenMP for increased multi-core speed + - enabled GCC optimization flags by default in GNUmakefile + - added blinding and computational error checking for RW signing + - changed RandomPool, X917RNG, GetNextIV, DSA/NR/ECDSA/ECNR to reduce + the risk of reusing random numbers and IVs after virtual machine state + rollback + - changed default FIPS mode RNG from AutoSeededX917RNG<DES_EDE3> to + AutoSeededX917RNG<AES> + - fixed PANAMA cipher interface to accept 256-bit key and 256-bit IV + - moved MD2, MD4, MD5, PanamaHash, ARC4, WAKE_CFB into the namespace "Weak" + - removed HAVAL, MD5-MAC, XMAC + +5.5.1 - fixed VMAC validation failure on 32-bit big-endian machines + +5.5.2 - ported x64 assembly language code for AES, Salsa20, Sosemanuk, and Panama + to MSVC 2005 (using MASM since MSVC doesn't support inline assembly on x64) + - fixed Salsa20 initialization crash on non-SSE2 machines + - fixed Whirlpool crash on Pentium 2 machines + - fixed possible branch prediction analysis (BPA) vulnerability in + MontgomeryReduce(), which may affect security of RSA, RW, LUC + - fixed link error with MSVC 2003 when using "debug DLL" form of runtime library + - fixed crash in SSE2_Add on P4 machines when compiled with + MSVC 6.0 SP5 with Processor Pack + - ported to MSVC 2008, GCC 4.2, Sun CC 5.9, Intel C++ Compiler 10.0, + and Borland C++Builder 2007 + +5.6.0 - added AuthenticatedSymmetricCipher interface class and Filter wrappers + - added CCM, GCM (with SSE2 assembly), EAX, CMAC, XSalsa20, and SEED + - added support for variable length IVs + - added OIDs for Brainpool elliptic curve parameters + - improved AES and SHA-256 speed on x86 and x64 + - changed BlockTransformation interface to no longer assume data alignment + - fixed incorrect VMAC computation on message lengths + that are >64 mod 128 (x86 assembly version is not affected) + - fixed compiler error in vmac.cpp on x86 with GCC -fPIC + - fixed run-time validation error on x86-64 with GCC 4.3.2 -O2 + - fixed HashFilter bug when putMessage=true + - fixed AES-CTR data alignment bug that causes incorrect encryption on ARM + - removed WORD64_AVAILABLE; compiler support for 64-bit int is now required + - ported to GCC 4.3, C++Builder 2009, Sun CC 5.10, Intel C++ Compiler 11 + +5.6.1 - added support for AES-NI and CLMUL instruction sets in AES and GMAC/GCM + - removed WAKE-CFB + - fixed several bugs in the SHA-256 x86/x64 assembly code: + * incorrect hash on non-SSE2 x86 machines on non-aligned input + * incorrect hash on x86 machines when input crosses 0x80000000 + * incorrect hash on x64 when compiled with GCC with optimizations enabled + - fixed bugs in AES x86 and x64 assembly causing crashes in some MSVC build configurations + - switched to a public domain implementation of MARS + - ported to MSVC 2010, GCC 4.5.1, Sun Studio 12u1, C++Builder 2010, Intel C++ Compiler 11.1 + - renamed the MSVC DLL project to "cryptopp" for compatibility with MSVC 2010 + +Written by Wei Dai diff --git a/CryptoPP/adler32.cpp b/CryptoPP/adler32.cpp new file mode 100644 index 000000000..0d52c0838 --- /dev/null +++ b/CryptoPP/adler32.cpp @@ -0,0 +1,77 @@ +// adler32.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "adler32.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Adler32::Update(const byte *input, size_t length) +{ + const unsigned long BASE = 65521; + + unsigned long s1 = m_s1; + unsigned long s2 = m_s2; + + if (length % 8 != 0) + { + do + { + s1 += *input++; + s2 += s1; + length--; + } while (length % 8 != 0); + + if (s1 >= BASE) + s1 -= BASE; + s2 %= BASE; + } + + while (length > 0) + { + s1 += input[0]; s2 += s1; + s1 += input[1]; s2 += s1; + s1 += input[2]; s2 += s1; + s1 += input[3]; s2 += s1; + s1 += input[4]; s2 += s1; + s1 += input[5]; s2 += s1; + s1 += input[6]; s2 += s1; + s1 += input[7]; s2 += s1; + + length -= 8; + input += 8; + + if (s1 >= BASE) + s1 -= BASE; + if (length % 0x8000 == 0) + s2 %= BASE; + } + + assert(s1 < BASE); + assert(s2 < BASE); + + m_s1 = (word16)s1; + m_s2 = (word16)s2; +} + +void Adler32::TruncatedFinal(byte *hash, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + switch (size) + { + default: + hash[3] = byte(m_s1); + case 3: + hash[2] = byte(m_s1 >> 8); + case 2: + hash[1] = byte(m_s2); + case 1: + hash[0] = byte(m_s2 >> 8); + case 0: + ; + } + + Reset(); +} + +NAMESPACE_END diff --git a/CryptoPP/adler32.h b/CryptoPP/adler32.h new file mode 100644 index 000000000..0ed803da9 --- /dev/null +++ b/CryptoPP/adler32.h @@ -0,0 +1,28 @@ +#ifndef CRYPTOPP_ADLER32_H +#define CRYPTOPP_ADLER32_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! ADLER-32 checksum calculations +class Adler32 : public HashTransformation +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE = 4) + Adler32() {Reset();} + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *hash, size_t size); + unsigned int DigestSize() const {return DIGESTSIZE;} + static const char * StaticAlgorithmName() {return "Adler32";} + std::string AlgorithmName() const {return StaticAlgorithmName();} + +private: + void Reset() {m_s1 = 1; m_s2 = 0;} + + word16 m_s1, m_s2; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/aes.h b/CryptoPP/aes.h new file mode 100644 index 000000000..008754256 --- /dev/null +++ b/CryptoPP/aes.h @@ -0,0 +1,16 @@ +#ifndef CRYPTOPP_AES_H +#define CRYPTOPP_AES_H + +#include "rijndael.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! <a href="http://www.cryptolounge.org/wiki/AES">AES</a> winner, announced on 10/2/2000 +DOCUMENTED_TYPEDEF(Rijndael, AES); + +typedef RijndaelEncryption AESEncryption; +typedef RijndaelDecryption AESDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/algebra.cpp b/CryptoPP/algebra.cpp new file mode 100644 index 000000000..78c3947b3 --- /dev/null +++ b/CryptoPP/algebra.cpp @@ -0,0 +1,340 @@ +// algebra.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_ALGEBRA_CPP // SunCC workaround: compiler could cause this file to be included twice +#define CRYPTOPP_ALGEBRA_CPP + +#include "algebra.h" +#include "integer.h" + +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> const T& AbstractGroup<T>::Double(const Element &a) const +{ + return Add(a, a); +} + +template <class T> const T& AbstractGroup<T>::Subtract(const Element &a, const Element &b) const +{ + // make copy of a in case Inverse() overwrites it + Element a1(a); + return Add(a1, Inverse(b)); +} + +template <class T> T& AbstractGroup<T>::Accumulate(Element &a, const Element &b) const +{ + return a = Add(a, b); +} + +template <class T> T& AbstractGroup<T>::Reduce(Element &a, const Element &b) const +{ + return a = Subtract(a, b); +} + +template <class T> const T& AbstractRing<T>::Square(const Element &a) const +{ + return Multiply(a, a); +} + +template <class T> const T& AbstractRing<T>::Divide(const Element &a, const Element &b) const +{ + // make copy of a in case MultiplicativeInverse() overwrites it + Element a1(a); + return Multiply(a1, MultiplicativeInverse(b)); +} + +template <class T> const T& AbstractEuclideanDomain<T>::Mod(const Element &a, const Element &b) const +{ + Element q; + DivisionAlgorithm(result, q, a, b); + return result; +} + +template <class T> const T& AbstractEuclideanDomain<T>::Gcd(const Element &a, const Element &b) const +{ + Element g[3]={b, a}; + unsigned int i0=0, i1=1, i2=2; + + while (!Equal(g[i1], this->Identity())) + { + g[i2] = Mod(g[i0], g[i1]); + unsigned int t = i0; i0 = i1; i1 = i2; i2 = t; + } + + return result = g[i0]; +} + +template <class T> const typename QuotientRing<T>::Element& QuotientRing<T>::MultiplicativeInverse(const Element &a) const +{ + Element g[3]={m_modulus, a}; + Element v[3]={m_domain.Identity(), m_domain.MultiplicativeIdentity()}; + Element y; + unsigned int i0=0, i1=1, i2=2; + + while (!Equal(g[i1], Identity())) + { + // y = g[i0] / g[i1]; + // g[i2] = g[i0] % g[i1]; + m_domain.DivisionAlgorithm(g[i2], y, g[i0], g[i1]); + // v[i2] = v[i0] - (v[i1] * y); + v[i2] = m_domain.Subtract(v[i0], m_domain.Multiply(v[i1], y)); + unsigned int t = i0; i0 = i1; i1 = i2; i2 = t; + } + + return m_domain.IsUnit(g[i0]) ? m_domain.Divide(v[i0], g[i0]) : m_domain.Identity(); +} + +template <class T> T AbstractGroup<T>::ScalarMultiply(const Element &base, const Integer &exponent) const +{ + Element result; + SimultaneousMultiply(&result, base, &exponent, 1); + return result; +} + +template <class T> T AbstractGroup<T>::CascadeScalarMultiply(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const +{ + const unsigned expLen = STDMAX(e1.BitCount(), e2.BitCount()); + if (expLen==0) + return Identity(); + + const unsigned w = (expLen <= 46 ? 1 : (expLen <= 260 ? 2 : 3)); + const unsigned tableSize = 1<<w; + std::vector<Element> powerTable(tableSize << w); + + powerTable[1] = x; + powerTable[tableSize] = y; + if (w==1) + powerTable[3] = Add(x,y); + else + { + powerTable[2] = Double(x); + powerTable[2*tableSize] = Double(y); + + unsigned i, j; + + for (i=3; i<tableSize; i+=2) + powerTable[i] = Add(powerTable[i-2], powerTable[2]); + for (i=1; i<tableSize; i+=2) + for (j=i+tableSize; j<(tableSize<<w); j+=tableSize) + powerTable[j] = Add(powerTable[j-tableSize], y); + + for (i=3*tableSize; i<(tableSize<<w); i+=2*tableSize) + powerTable[i] = Add(powerTable[i-2*tableSize], powerTable[2*tableSize]); + for (i=tableSize; i<(tableSize<<w); i+=2*tableSize) + for (j=i+2; j<i+tableSize; j+=2) + powerTable[j] = Add(powerTable[j-1], x); + } + + Element result; + unsigned power1 = 0, power2 = 0, prevPosition = expLen-1; + bool firstTime = true; + + for (int i = expLen-1; i>=0; i--) + { + power1 = 2*power1 + e1.GetBit(i); + power2 = 2*power2 + e2.GetBit(i); + + if (i==0 || 2*power1 >= tableSize || 2*power2 >= tableSize) + { + unsigned squaresBefore = prevPosition-i; + unsigned squaresAfter = 0; + prevPosition = i; + while ((power1 || power2) && power1%2 == 0 && power2%2==0) + { + power1 /= 2; + power2 /= 2; + squaresBefore--; + squaresAfter++; + } + if (firstTime) + { + result = powerTable[(power2<<w) + power1]; + firstTime = false; + } + else + { + while (squaresBefore--) + result = Double(result); + if (power1 || power2) + Accumulate(result, powerTable[(power2<<w) + power1]); + } + while (squaresAfter--) + result = Double(result); + power1 = power2 = 0; + } + } + return result; +} + +template <class Element, class Iterator> Element GeneralCascadeMultiplication(const AbstractGroup<Element> &group, Iterator begin, Iterator end) +{ + if (end-begin == 1) + return group.ScalarMultiply(begin->base, begin->exponent); + else if (end-begin == 2) + return group.CascadeScalarMultiply(begin->base, begin->exponent, (begin+1)->base, (begin+1)->exponent); + else + { + Integer q, t; + Iterator last = end; + --last; + + std::make_heap(begin, end); + std::pop_heap(begin, end); + + while (!!begin->exponent) + { + // last->exponent is largest exponent, begin->exponent is next largest + t = last->exponent; + Integer::Divide(last->exponent, q, t, begin->exponent); + + if (q == Integer::One()) + group.Accumulate(begin->base, last->base); // avoid overhead of ScalarMultiply() + else + group.Accumulate(begin->base, group.ScalarMultiply(last->base, q)); + + std::push_heap(begin, end); + std::pop_heap(begin, end); + } + + return group.ScalarMultiply(last->base, last->exponent); + } +} + +struct WindowSlider +{ + WindowSlider(const Integer &expIn, bool fastNegate, unsigned int windowSizeIn=0) + : exp(expIn), windowModulus(Integer::One()), windowSize(windowSizeIn), windowBegin(0), fastNegate(fastNegate), firstTime(true), finished(false) + { + if (windowSize == 0) + { + unsigned int expLen = exp.BitCount(); + windowSize = expLen <= 17 ? 1 : (expLen <= 24 ? 2 : (expLen <= 70 ? 3 : (expLen <= 197 ? 4 : (expLen <= 539 ? 5 : (expLen <= 1434 ? 6 : 7))))); + } + windowModulus <<= windowSize; + } + + void FindNextWindow() + { + unsigned int expLen = exp.WordCount() * WORD_BITS; + unsigned int skipCount = firstTime ? 0 : windowSize; + firstTime = false; + while (!exp.GetBit(skipCount)) + { + if (skipCount >= expLen) + { + finished = true; + return; + } + skipCount++; + } + + exp >>= skipCount; + windowBegin += skipCount; + expWindow = word32(exp % (word(1) << windowSize)); + + if (fastNegate && exp.GetBit(windowSize)) + { + negateNext = true; + expWindow = (word32(1) << windowSize) - expWindow; + exp += windowModulus; + } + else + negateNext = false; + } + + Integer exp, windowModulus; + unsigned int windowSize, windowBegin; + word32 expWindow; + bool fastNegate, negateNext, firstTime, finished; +}; + +template <class T> +void AbstractGroup<T>::SimultaneousMultiply(T *results, const T &base, const Integer *expBegin, unsigned int expCount) const +{ + std::vector<std::vector<Element> > buckets(expCount); + std::vector<WindowSlider> exponents; + exponents.reserve(expCount); + unsigned int i; + + for (i=0; i<expCount; i++) + { + assert(expBegin->NotNegative()); + exponents.push_back(WindowSlider(*expBegin++, InversionIsFast(), 0)); + exponents[i].FindNextWindow(); + buckets[i].resize(1<<(exponents[i].windowSize-1), Identity()); + } + + unsigned int expBitPosition = 0; + Element g = base; + bool notDone = true; + + while (notDone) + { + notDone = false; + for (i=0; i<expCount; i++) + { + if (!exponents[i].finished && expBitPosition == exponents[i].windowBegin) + { + Element &bucket = buckets[i][exponents[i].expWindow/2]; + if (exponents[i].negateNext) + Accumulate(bucket, Inverse(g)); + else + Accumulate(bucket, g); + exponents[i].FindNextWindow(); + } + notDone = notDone || !exponents[i].finished; + } + + if (notDone) + { + g = Double(g); + expBitPosition++; + } + } + + for (i=0; i<expCount; i++) + { + Element &r = *results++; + r = buckets[i][buckets[i].size()-1]; + if (buckets[i].size() > 1) + { + for (int j = (int)buckets[i].size()-2; j >= 1; j--) + { + Accumulate(buckets[i][j], buckets[i][j+1]); + Accumulate(r, buckets[i][j]); + } + Accumulate(buckets[i][0], buckets[i][1]); + r = Add(Double(r), buckets[i][0]); + } + } +} + +template <class T> T AbstractRing<T>::Exponentiate(const Element &base, const Integer &exponent) const +{ + Element result; + SimultaneousExponentiate(&result, base, &exponent, 1); + return result; +} + +template <class T> T AbstractRing<T>::CascadeExponentiate(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const +{ + return MultiplicativeGroup().AbstractGroup<T>::CascadeScalarMultiply(x, e1, y, e2); +} + +template <class Element, class Iterator> Element GeneralCascadeExponentiation(const AbstractRing<Element> &ring, Iterator begin, Iterator end) +{ + return GeneralCascadeMultiplication<Element>(ring.MultiplicativeGroup(), begin, end); +} + +template <class T> +void AbstractRing<T>::SimultaneousExponentiate(T *results, const T &base, const Integer *exponents, unsigned int expCount) const +{ + MultiplicativeGroup().AbstractGroup<T>::SimultaneousMultiply(results, base, exponents, expCount); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/algebra.h b/CryptoPP/algebra.h new file mode 100644 index 000000000..13038bd80 --- /dev/null +++ b/CryptoPP/algebra.h @@ -0,0 +1,285 @@ +#ifndef CRYPTOPP_ALGEBRA_H +#define CRYPTOPP_ALGEBRA_H + +#include "config.h" + +NAMESPACE_BEGIN(CryptoPP) + +class Integer; + +// "const Element&" returned by member functions are references +// to internal data members. Since each object may have only +// one such data member for holding results, the following code +// will produce incorrect results: +// abcd = group.Add(group.Add(a,b), group.Add(c,d)); +// But this should be fine: +// abcd = group.Add(a, group.Add(b, group.Add(c,d)); + +//! Abstract Group +template <class T> class CRYPTOPP_NO_VTABLE AbstractGroup +{ +public: + typedef T Element; + + virtual ~AbstractGroup() {} + + virtual bool Equal(const Element &a, const Element &b) const =0; + virtual const Element& Identity() const =0; + virtual const Element& Add(const Element &a, const Element &b) const =0; + virtual const Element& Inverse(const Element &a) const =0; + virtual bool InversionIsFast() const {return false;} + + virtual const Element& Double(const Element &a) const; + virtual const Element& Subtract(const Element &a, const Element &b) const; + virtual Element& Accumulate(Element &a, const Element &b) const; + virtual Element& Reduce(Element &a, const Element &b) const; + + virtual Element ScalarMultiply(const Element &a, const Integer &e) const; + virtual Element CascadeScalarMultiply(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const; + + virtual void SimultaneousMultiply(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; +}; + +//! Abstract Ring +template <class T> class CRYPTOPP_NO_VTABLE AbstractRing : public AbstractGroup<T> +{ +public: + typedef T Element; + + AbstractRing() {m_mg.m_pRing = this;} + AbstractRing(const AbstractRing &source) {m_mg.m_pRing = this;} + AbstractRing& operator=(const AbstractRing &source) {return *this;} + + virtual bool IsUnit(const Element &a) const =0; + virtual const Element& MultiplicativeIdentity() const =0; + virtual const Element& Multiply(const Element &a, const Element &b) const =0; + virtual const Element& MultiplicativeInverse(const Element &a) const =0; + + virtual const Element& Square(const Element &a) const; + virtual const Element& Divide(const Element &a, const Element &b) const; + + virtual Element Exponentiate(const Element &a, const Integer &e) const; + virtual Element CascadeExponentiate(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const; + + virtual void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; + + virtual const AbstractGroup<T>& MultiplicativeGroup() const + {return m_mg;} + +private: + class MultiplicativeGroupT : public AbstractGroup<T> + { + public: + const AbstractRing<T>& GetRing() const + {return *m_pRing;} + + bool Equal(const Element &a, const Element &b) const + {return GetRing().Equal(a, b);} + + const Element& Identity() const + {return GetRing().MultiplicativeIdentity();} + + const Element& Add(const Element &a, const Element &b) const + {return GetRing().Multiply(a, b);} + + Element& Accumulate(Element &a, const Element &b) const + {return a = GetRing().Multiply(a, b);} + + const Element& Inverse(const Element &a) const + {return GetRing().MultiplicativeInverse(a);} + + const Element& Subtract(const Element &a, const Element &b) const + {return GetRing().Divide(a, b);} + + Element& Reduce(Element &a, const Element &b) const + {return a = GetRing().Divide(a, b);} + + const Element& Double(const Element &a) const + {return GetRing().Square(a);} + + Element ScalarMultiply(const Element &a, const Integer &e) const + {return GetRing().Exponentiate(a, e);} + + Element CascadeScalarMultiply(const Element &x, const Integer &e1, const Element &y, const Integer &e2) const + {return GetRing().CascadeExponentiate(x, e1, y, e2);} + + void SimultaneousMultiply(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const + {GetRing().SimultaneousExponentiate(results, base, exponents, exponentsCount);} + + const AbstractRing<T> *m_pRing; + }; + + MultiplicativeGroupT m_mg; +}; + +// ******************************************************** + +//! Base and Exponent +template <class T, class E = Integer> +struct BaseAndExponent +{ +public: + BaseAndExponent() {} + BaseAndExponent(const T &base, const E &exponent) : base(base), exponent(exponent) {} + bool operator<(const BaseAndExponent<T, E> &rhs) const {return exponent < rhs.exponent;} + T base; + E exponent; +}; + +// VC60 workaround: incomplete member template support +template <class Element, class Iterator> + Element GeneralCascadeMultiplication(const AbstractGroup<Element> &group, Iterator begin, Iterator end); +template <class Element, class Iterator> + Element GeneralCascadeExponentiation(const AbstractRing<Element> &ring, Iterator begin, Iterator end); + +// ******************************************************** + +//! Abstract Euclidean Domain +template <class T> class CRYPTOPP_NO_VTABLE AbstractEuclideanDomain : public AbstractRing<T> +{ +public: + typedef T Element; + + virtual void DivisionAlgorithm(Element &r, Element &q, const Element &a, const Element &d) const =0; + + virtual const Element& Mod(const Element &a, const Element &b) const =0; + virtual const Element& Gcd(const Element &a, const Element &b) const; + +protected: + mutable Element result; +}; + +// ******************************************************** + +//! EuclideanDomainOf +template <class T> class EuclideanDomainOf : public AbstractEuclideanDomain<T> +{ +public: + typedef T Element; + + EuclideanDomainOf() {} + + bool Equal(const Element &a, const Element &b) const + {return a==b;} + + const Element& Identity() const + {return Element::Zero();} + + const Element& Add(const Element &a, const Element &b) const + {return result = a+b;} + + Element& Accumulate(Element &a, const Element &b) const + {return a+=b;} + + const Element& Inverse(const Element &a) const + {return result = -a;} + + const Element& Subtract(const Element &a, const Element &b) const + {return result = a-b;} + + Element& Reduce(Element &a, const Element &b) const + {return a-=b;} + + const Element& Double(const Element &a) const + {return result = a.Doubled();} + + const Element& MultiplicativeIdentity() const + {return Element::One();} + + const Element& Multiply(const Element &a, const Element &b) const + {return result = a*b;} + + const Element& Square(const Element &a) const + {return result = a.Squared();} + + bool IsUnit(const Element &a) const + {return a.IsUnit();} + + const Element& MultiplicativeInverse(const Element &a) const + {return result = a.MultiplicativeInverse();} + + const Element& Divide(const Element &a, const Element &b) const + {return result = a/b;} + + const Element& Mod(const Element &a, const Element &b) const + {return result = a%b;} + + void DivisionAlgorithm(Element &r, Element &q, const Element &a, const Element &d) const + {Element::Divide(r, q, a, d);} + + bool operator==(const EuclideanDomainOf<T> &rhs) const + {return true;} + +private: + mutable Element result; +}; + +//! Quotient Ring +template <class T> class QuotientRing : public AbstractRing<typename T::Element> +{ +public: + typedef T EuclideanDomain; + typedef typename T::Element Element; + + QuotientRing(const EuclideanDomain &domain, const Element &modulus) + : m_domain(domain), m_modulus(modulus) {} + + const EuclideanDomain & GetDomain() const + {return m_domain;} + + const Element& GetModulus() const + {return m_modulus;} + + bool Equal(const Element &a, const Element &b) const + {return m_domain.Equal(m_domain.Mod(m_domain.Subtract(a, b), m_modulus), m_domain.Identity());} + + const Element& Identity() const + {return m_domain.Identity();} + + const Element& Add(const Element &a, const Element &b) const + {return m_domain.Add(a, b);} + + Element& Accumulate(Element &a, const Element &b) const + {return m_domain.Accumulate(a, b);} + + const Element& Inverse(const Element &a) const + {return m_domain.Inverse(a);} + + const Element& Subtract(const Element &a, const Element &b) const + {return m_domain.Subtract(a, b);} + + Element& Reduce(Element &a, const Element &b) const + {return m_domain.Reduce(a, b);} + + const Element& Double(const Element &a) const + {return m_domain.Double(a);} + + bool IsUnit(const Element &a) const + {return m_domain.IsUnit(m_domain.Gcd(a, m_modulus));} + + const Element& MultiplicativeIdentity() const + {return m_domain.MultiplicativeIdentity();} + + const Element& Multiply(const Element &a, const Element &b) const + {return m_domain.Mod(m_domain.Multiply(a, b), m_modulus);} + + const Element& Square(const Element &a) const + {return m_domain.Mod(m_domain.Square(a), m_modulus);} + + const Element& MultiplicativeInverse(const Element &a) const; + + bool operator==(const QuotientRing<T> &rhs) const + {return m_domain == rhs.m_domain && m_modulus == rhs.m_modulus;} + +protected: + EuclideanDomain m_domain; + Element m_modulus; +}; + +NAMESPACE_END + +#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#include "algebra.cpp" +#endif + +#endif diff --git a/CryptoPP/algparam.cpp b/CryptoPP/algparam.cpp new file mode 100644 index 000000000..a70d5dd95 --- /dev/null +++ b/CryptoPP/algparam.cpp @@ -0,0 +1,75 @@ +// algparam.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +PAssignIntToInteger g_pAssignIntToInteger = NULL; + +bool CombinedNameValuePairs::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + if (strcmp(name, "ValueNames") == 0) + return m_pairs1.GetVoidValue(name, valueType, pValue) && m_pairs2.GetVoidValue(name, valueType, pValue); + else + return m_pairs1.GetVoidValue(name, valueType, pValue) || m_pairs2.GetVoidValue(name, valueType, pValue); +} + +void AlgorithmParametersBase::operator=(const AlgorithmParametersBase& rhs) +{ + assert(false); +} + +bool AlgorithmParametersBase::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + if (strcmp(name, "ValueNames") == 0) + { + NameValuePairs::ThrowIfTypeMismatch(name, typeid(std::string), valueType); + if (m_next.get()) + m_next->GetVoidValue(name, valueType, pValue); + (*reinterpret_cast<std::string *>(pValue) += m_name) += ";"; + return true; + } + else if (strcmp(name, m_name) == 0) + { + AssignValue(name, valueType, pValue); + m_used = true; + return true; + } + else if (m_next.get()) + return m_next->GetVoidValue(name, valueType, pValue); + else + return false; +} + +AlgorithmParameters::AlgorithmParameters() + : m_defaultThrowIfNotUsed(true) +{ +} + +AlgorithmParameters::AlgorithmParameters(const AlgorithmParameters &x) + : m_defaultThrowIfNotUsed(x.m_defaultThrowIfNotUsed) +{ + m_next.reset(const_cast<AlgorithmParameters &>(x).m_next.release()); +} + +AlgorithmParameters & AlgorithmParameters::operator=(const AlgorithmParameters &x) +{ + m_next.reset(const_cast<AlgorithmParameters &>(x).m_next.release()); + return *this; +} + +bool AlgorithmParameters::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + if (m_next.get()) + return m_next->GetVoidValue(name, valueType, pValue); + else + return false; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/algparam.h b/CryptoPP/algparam.h new file mode 100644 index 000000000..ea5129c22 --- /dev/null +++ b/CryptoPP/algparam.h @@ -0,0 +1,398 @@ +#ifndef CRYPTOPP_ALGPARAM_H +#define CRYPTOPP_ALGPARAM_H + +#include "cryptlib.h" +#include "smartptr.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! used to pass byte array input as part of a NameValuePairs object +/*! the deepCopy option is used when the NameValuePairs object can't + keep a copy of the data available */ +class ConstByteArrayParameter +{ +public: + ConstByteArrayParameter(const char *data = NULL, bool deepCopy = false) + { + Assign((const byte *)data, data ? strlen(data) : 0, deepCopy); + } + ConstByteArrayParameter(const byte *data, size_t size, bool deepCopy = false) + { + Assign(data, size, deepCopy); + } + template <class T> ConstByteArrayParameter(const T &string, bool deepCopy = false) + { + CRYPTOPP_COMPILE_ASSERT(sizeof(CPP_TYPENAME T::value_type) == 1); + Assign((const byte *)string.data(), string.size(), deepCopy); + } + + void Assign(const byte *data, size_t size, bool deepCopy) + { + if (deepCopy) + m_block.Assign(data, size); + else + { + m_data = data; + m_size = size; + } + m_deepCopy = deepCopy; + } + + const byte *begin() const {return m_deepCopy ? m_block.begin() : m_data;} + const byte *end() const {return m_deepCopy ? m_block.end() : m_data + m_size;} + size_t size() const {return m_deepCopy ? m_block.size() : m_size;} + +private: + bool m_deepCopy; + const byte *m_data; + size_t m_size; + SecByteBlock m_block; +}; + +class ByteArrayParameter +{ +public: + ByteArrayParameter(byte *data = NULL, unsigned int size = 0) + : m_data(data), m_size(size) {} + ByteArrayParameter(SecByteBlock &block) + : m_data(block.begin()), m_size(block.size()) {} + + byte *begin() const {return m_data;} + byte *end() const {return m_data + m_size;} + size_t size() const {return m_size;} + +private: + byte *m_data; + size_t m_size; +}; + +class CRYPTOPP_DLL CombinedNameValuePairs : public NameValuePairs +{ +public: + CombinedNameValuePairs(const NameValuePairs &pairs1, const NameValuePairs &pairs2) + : m_pairs1(pairs1), m_pairs2(pairs2) {} + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + +private: + const NameValuePairs &m_pairs1, &m_pairs2; +}; + +template <class T, class BASE> +class GetValueHelperClass +{ +public: + GetValueHelperClass(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst) + : m_pObject(pObject), m_name(name), m_valueType(&valueType), m_pValue(pValue), m_found(false), m_getValueNames(false) + { + if (strcmp(m_name, "ValueNames") == 0) + { + m_found = m_getValueNames = true; + NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(std::string), *m_valueType); + if (searchFirst) + searchFirst->GetVoidValue(m_name, valueType, pValue); + if (typeid(T) != typeid(BASE)) + pObject->BASE::GetVoidValue(m_name, valueType, pValue); + ((*reinterpret_cast<std::string *>(m_pValue) += "ThisPointer:") += typeid(T).name()) += ';'; + } + + if (!m_found && strncmp(m_name, "ThisPointer:", 12) == 0 && strcmp(m_name+12, typeid(T).name()) == 0) + { + NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T *), *m_valueType); + *reinterpret_cast<const T **>(pValue) = pObject; + m_found = true; + return; + } + + if (!m_found && searchFirst) + m_found = searchFirst->GetVoidValue(m_name, valueType, pValue); + + if (!m_found && typeid(T) != typeid(BASE)) + m_found = pObject->BASE::GetVoidValue(m_name, valueType, pValue); + } + + operator bool() const {return m_found;} + + template <class R> + GetValueHelperClass<T,BASE> & operator()(const char *name, const R & (T::*pm)() const) + { + if (m_getValueNames) + (*reinterpret_cast<std::string *>(m_pValue) += name) += ";"; + if (!m_found && strcmp(name, m_name) == 0) + { + NameValuePairs::ThrowIfTypeMismatch(name, typeid(R), *m_valueType); + *reinterpret_cast<R *>(m_pValue) = (m_pObject->*pm)(); + m_found = true; + } + return *this; + } + + GetValueHelperClass<T,BASE> &Assignable() + { +#ifndef __INTEL_COMPILER // ICL 9.1 workaround: Intel compiler copies the vTable pointer for some reason + if (m_getValueNames) + ((*reinterpret_cast<std::string *>(m_pValue) += "ThisObject:") += typeid(T).name()) += ';'; + if (!m_found && strncmp(m_name, "ThisObject:", 11) == 0 && strcmp(m_name+11, typeid(T).name()) == 0) + { + NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T), *m_valueType); + *reinterpret_cast<T *>(m_pValue) = *m_pObject; + m_found = true; + } +#endif + return *this; + } + +private: + const T *m_pObject; + const char *m_name; + const std::type_info *m_valueType; + void *m_pValue; + bool m_found, m_getValueNames; +}; + +template <class BASE, class T> +GetValueHelperClass<T, BASE> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULL, BASE *dummy=NULL) +{ + return GetValueHelperClass<T, BASE>(pObject, name, valueType, pValue, searchFirst); +} + +template <class T> +GetValueHelperClass<T, T> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULL) +{ + return GetValueHelperClass<T, T>(pObject, name, valueType, pValue, searchFirst); +} + +// ******************************************************** + +template <class R> +R Hack_DefaultValueFromConstReferenceType(const R &) +{ + return R(); +} + +template <class R> +bool Hack_GetValueIntoConstReference(const NameValuePairs &source, const char *name, const R &value) +{ + return source.GetValue(name, const_cast<R &>(value)); +} + +template <class T, class BASE> +class AssignFromHelperClass +{ +public: + AssignFromHelperClass(T *pObject, const NameValuePairs &source) + : m_pObject(pObject), m_source(source), m_done(false) + { + if (source.GetThisObject(*pObject)) + m_done = true; + else if (typeid(BASE) != typeid(T)) + pObject->BASE::AssignFrom(source); + } + + template <class R> + AssignFromHelperClass & operator()(const char *name, void (T::*pm)(R)) // VC60 workaround: "const R &" here causes compiler error + { + if (!m_done) + { + R value = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<R>(*(int *)NULL)); + if (!Hack_GetValueIntoConstReference(m_source, name, value)) + throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name + "'"); + (m_pObject->*pm)(value); + } + return *this; + } + + template <class R, class S> + AssignFromHelperClass & operator()(const char *name1, const char *name2, void (T::*pm)(R, S)) // VC60 workaround: "const R &" here causes compiler error + { + if (!m_done) + { + R value1 = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<R>(*(int *)NULL)); + if (!Hack_GetValueIntoConstReference(m_source, name1, value1)) + throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name1 + "'"); + S value2 = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<S>(*(int *)NULL)); + if (!Hack_GetValueIntoConstReference(m_source, name2, value2)) + throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name2 + "'"); + (m_pObject->*pm)(value1, value2); + } + return *this; + } + +private: + T *m_pObject; + const NameValuePairs &m_source; + bool m_done; +}; + +template <class BASE, class T> +AssignFromHelperClass<T, BASE> AssignFromHelper(T *pObject, const NameValuePairs &source, BASE *dummy=NULL) +{ + return AssignFromHelperClass<T, BASE>(pObject, source); +} + +template <class T> +AssignFromHelperClass<T, T> AssignFromHelper(T *pObject, const NameValuePairs &source) +{ + return AssignFromHelperClass<T, T>(pObject, source); +} + +// ******************************************************** + +// to allow the linker to discard Integer code if not needed. +typedef bool (CRYPTOPP_API * PAssignIntToInteger)(const std::type_info &valueType, void *pInteger, const void *pInt); +CRYPTOPP_DLL extern PAssignIntToInteger g_pAssignIntToInteger; + +CRYPTOPP_DLL const std::type_info & CRYPTOPP_API IntegerTypeId(); + +class CRYPTOPP_DLL AlgorithmParametersBase +{ +public: + class ParameterNotUsed : public Exception + { + public: + ParameterNotUsed(const char *name) : Exception(OTHER_ERROR, std::string("AlgorithmParametersBase: parameter \"") + name + "\" not used") {} + }; + + // this is actually a move, not a copy + AlgorithmParametersBase(const AlgorithmParametersBase &x) + : m_name(x.m_name), m_throwIfNotUsed(x.m_throwIfNotUsed), m_used(x.m_used) + { + m_next.reset(const_cast<AlgorithmParametersBase &>(x).m_next.release()); + x.m_used = true; + } + + AlgorithmParametersBase(const char *name, bool throwIfNotUsed) + : m_name(name), m_throwIfNotUsed(throwIfNotUsed), m_used(false) {} + + virtual ~AlgorithmParametersBase() + { +#ifdef CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE + if (!std::uncaught_exception()) +#else + try +#endif + { + if (m_throwIfNotUsed && !m_used) + throw ParameterNotUsed(m_name); + } +#ifndef CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE + catch(...) + { + } +#endif + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + +protected: + friend class AlgorithmParameters; + void operator=(const AlgorithmParametersBase& rhs); // assignment not allowed, declare this for VC60 + + virtual void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const =0; + virtual void MoveInto(void *p) const =0; // not really const + + const char *m_name; + bool m_throwIfNotUsed; + mutable bool m_used; + member_ptr<AlgorithmParametersBase> m_next; +}; + +template <class T> +class AlgorithmParametersTemplate : public AlgorithmParametersBase +{ +public: + AlgorithmParametersTemplate(const char *name, const T &value, bool throwIfNotUsed) + : AlgorithmParametersBase(name, throwIfNotUsed), m_value(value) + { + } + + void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const + { + // special case for retrieving an Integer parameter when an int was passed in + if (!(g_pAssignIntToInteger != NULL && typeid(T) == typeid(int) && g_pAssignIntToInteger(valueType, pValue, &m_value))) + { + NameValuePairs::ThrowIfTypeMismatch(name, typeid(T), valueType); + *reinterpret_cast<T *>(pValue) = m_value; + } + } + + void MoveInto(void *buffer) const + { + AlgorithmParametersTemplate<T>* p = new(buffer) AlgorithmParametersTemplate<T>(*this); + } + +protected: + T m_value; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<bool>; +CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<int>; +CRYPTOPP_DLL_TEMPLATE_CLASS AlgorithmParametersTemplate<ConstByteArrayParameter>; + +class CRYPTOPP_DLL AlgorithmParameters : public NameValuePairs +{ +public: + AlgorithmParameters(); + +#ifdef __BORLANDC__ + template <class T> + AlgorithmParameters(const char *name, const T &value, bool throwIfNotUsed=true) + : m_next(new AlgorithmParametersTemplate<T>(name, value, throwIfNotUsed)) + , m_defaultThrowIfNotUsed(throwIfNotUsed) + { + } +#endif + + AlgorithmParameters(const AlgorithmParameters &x); + + AlgorithmParameters & operator=(const AlgorithmParameters &x); + + template <class T> + AlgorithmParameters & operator()(const char *name, const T &value, bool throwIfNotUsed) + { + member_ptr<AlgorithmParametersBase> p(new AlgorithmParametersTemplate<T>(name, value, throwIfNotUsed)); + p->m_next.reset(m_next.release()); + m_next.reset(p.release()); + m_defaultThrowIfNotUsed = throwIfNotUsed; + return *this; + } + + template <class T> + AlgorithmParameters & operator()(const char *name, const T &value) + { + return operator()(name, value, m_defaultThrowIfNotUsed); + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + +protected: + member_ptr<AlgorithmParametersBase> m_next; + bool m_defaultThrowIfNotUsed; +}; + +//! Create an object that implements NameValuePairs for passing parameters +/*! \param throwIfNotUsed if true, the object will throw an exception if the value is not accessed + \note throwIfNotUsed is ignored if using a compiler that does not support std::uncaught_exception(), + such as MSVC 7.0 and earlier. + \note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by + repeatedly using operator() on the object returned by MakeParameters, for example: + AlgorithmParameters parameters = MakeParameters(name1, value1)(name2, value2)(name3, value3); +*/ +#ifdef __BORLANDC__ +typedef AlgorithmParameters MakeParameters; +#else +template <class T> +AlgorithmParameters MakeParameters(const char *name, const T &value, bool throwIfNotUsed = true) +{ + return AlgorithmParameters()(name, value, throwIfNotUsed); +} +#endif + +#define CRYPTOPP_GET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Get##name) +#define CRYPTOPP_SET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Set##name) +#define CRYPTOPP_SET_FUNCTION_ENTRY2(name1, name2) (Name::name1(), Name::name2(), &ThisClass::Set##name1##And##name2) + +NAMESPACE_END + +#endif diff --git a/CryptoPP/arc4.cpp b/CryptoPP/arc4.cpp new file mode 100644 index 000000000..b5c27309e --- /dev/null +++ b/CryptoPP/arc4.cpp @@ -0,0 +1,120 @@ +// arc4.cpp - written and placed in the public domain by Wei Dai + +// The ARC4 algorithm was first revealed in an anonymous email to the +// cypherpunks mailing list. This file originally contained some +// code copied from this email. The code has since been rewritten in order +// to clarify the copyright status of this file. It should now be +// completely in the public domain. + +#include "pch.h" +#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 +#include "arc4.h" + +NAMESPACE_BEGIN(CryptoPP) +namespace Weak1 { + +void ARC4_TestInstantiations() +{ + ARC4 x; +} + +ARC4_Base::~ARC4_Base() +{ + m_x = m_y = 0; +} + +void ARC4_Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(keyLen); + + m_x = 1; + m_y = 0; + + unsigned int i; + for (i=0; i<256; i++) + m_state[i] = i; + + unsigned int keyIndex = 0, stateIndex = 0; + for (i=0; i<256; i++) + { + unsigned int a = m_state[i]; + stateIndex += key[keyIndex] + a; + stateIndex &= 0xff; + m_state[i] = m_state[stateIndex]; + m_state[stateIndex] = a; + if (++keyIndex >= keyLen) + keyIndex = 0; + } + + int discardBytes = params.GetIntValueWithDefault("DiscardBytes", GetDefaultDiscardBytes()); + DiscardBytes(discardBytes); +} + +template <class T> +static inline unsigned int MakeByte(T &x, T &y, byte *s) +{ + unsigned int a = s[x]; + y = (y+a) & 0xff; + unsigned int b = s[y]; + s[x] = b; + s[y] = a; + x = (x+1) & 0xff; + return s[(a+b) & 0xff]; +} + +void ARC4_Base::GenerateBlock(byte *output, size_t size) +{ + while (size--) + *output++ = MakeByte(m_x, m_y, m_state); +} + +void ARC4_Base::ProcessData(byte *outString, const byte *inString, size_t length) +{ + if (length == 0) + return; + + byte *const s = m_state; + unsigned int x = m_x; + unsigned int y = m_y; + + if (inString == outString) + { + do + { + *outString++ ^= MakeByte(x, y, s); + } while (--length); + } + else + { + do + { + *outString++ = *inString++ ^ MakeByte(x, y, s); + } + while(--length); + } + + m_x = x; + m_y = y; +} + +void ARC4_Base::DiscardBytes(size_t length) +{ + if (length == 0) + return; + + byte *const s = m_state; + unsigned int x = m_x; + unsigned int y = m_y; + + do + { + MakeByte(x, y, s); + } + while(--length); + + m_x = x; + m_y = y; +} + +} +NAMESPACE_END diff --git a/CryptoPP/arc4.h b/CryptoPP/arc4.h new file mode 100644 index 000000000..9dcc92efd --- /dev/null +++ b/CryptoPP/arc4.h @@ -0,0 +1,71 @@ +#ifndef CRYPTOPP_ARC4_H +#define CRYPTOPP_ARC4_H + +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +namespace Weak1 { + +//! _ +class CRYPTOPP_NO_VTABLE ARC4_Base : public VariableKeyLength<16, 1, 256>, public RandomNumberGenerator, public SymmetricCipher, public SymmetricCipherDocumentation +{ +public: + ~ARC4_Base(); + + static const char *StaticAlgorithmName() {return "ARC4";} + + void GenerateBlock(byte *output, size_t size); + void DiscardBytes(size_t n); + + void ProcessData(byte *outString, const byte *inString, size_t length); + + bool IsRandomAccess() const {return false;} + bool IsSelfInverting() const {return true;} + bool IsForwardTransformation() const {return true;} + + typedef SymmetricCipherFinal<ARC4_Base> Encryption; + typedef SymmetricCipherFinal<ARC4_Base> Decryption; + +protected: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + virtual unsigned int GetDefaultDiscardBytes() const {return 0;} + + FixedSizeSecBlock<byte, 256> m_state; + byte m_x, m_y; +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#RC4">Alleged RC4</a> +DOCUMENTED_TYPEDEF(SymmetricCipherFinal<ARC4_Base>, ARC4) + +//! _ +class CRYPTOPP_NO_VTABLE MARC4_Base : public ARC4_Base +{ +public: + static const char *StaticAlgorithmName() {return "MARC4";} + + typedef SymmetricCipherFinal<MARC4_Base> Encryption; + typedef SymmetricCipherFinal<MARC4_Base> Decryption; + +protected: + unsigned int GetDefaultDiscardBytes() const {return 256;} +}; + +//! Modified ARC4: it discards the first 256 bytes of keystream which may be weaker than the rest +DOCUMENTED_TYPEDEF(SymmetricCipherFinal<MARC4_Base>, MARC4) + +} +#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 +namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak +#else +using namespace Weak1; // import Weak1 into CryptoPP with warning +#ifdef __GNUC__ +#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning." +#else +#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.") +#endif +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/argnames.h b/CryptoPP/argnames.h new file mode 100644 index 000000000..e96172521 --- /dev/null +++ b/CryptoPP/argnames.h @@ -0,0 +1,81 @@ +#ifndef CRYPTOPP_ARGNAMES_H +#define CRYPTOPP_ARGNAMES_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +DOCUMENTED_NAMESPACE_BEGIN(Name) + +#define CRYPTOPP_DEFINE_NAME_STRING(name) inline const char *name() {return #name;} + +CRYPTOPP_DEFINE_NAME_STRING(ValueNames) //!< string, a list of value names with a semicolon (';') after each name +CRYPTOPP_DEFINE_NAME_STRING(Version) //!< int +CRYPTOPP_DEFINE_NAME_STRING(Seed) //!< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(Key) //!< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(IV) //!< ConstByteArrayParameter, also accepts const byte * for backwards compatibility +CRYPTOPP_DEFINE_NAME_STRING(StolenIV) //!< byte * +CRYPTOPP_DEFINE_NAME_STRING(Rounds) //!< int +CRYPTOPP_DEFINE_NAME_STRING(FeedbackSize) //!< int +CRYPTOPP_DEFINE_NAME_STRING(WordSize) //!< int, in bytes +CRYPTOPP_DEFINE_NAME_STRING(BlockSize) //!< int, in bytes +CRYPTOPP_DEFINE_NAME_STRING(EffectiveKeyLength) //!< int, in bits +CRYPTOPP_DEFINE_NAME_STRING(KeySize) //!< int, in bits +CRYPTOPP_DEFINE_NAME_STRING(ModulusSize) //!< int, in bits +CRYPTOPP_DEFINE_NAME_STRING(SubgroupOrderSize) //!< int, in bits +CRYPTOPP_DEFINE_NAME_STRING(PrivateExponentSize)//!< int, in bits +CRYPTOPP_DEFINE_NAME_STRING(Modulus) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(PublicExponent) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(PrivateExponent) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(PublicElement) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(SubgroupOrder) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(Cofactor) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(SubgroupGenerator) //!< Integer, ECP::Point, or EC2N::Point +CRYPTOPP_DEFINE_NAME_STRING(Curve) //!< ECP or EC2N +CRYPTOPP_DEFINE_NAME_STRING(GroupOID) //!< OID +CRYPTOPP_DEFINE_NAME_STRING(PointerToPrimeSelector) //!< const PrimeSelector * +CRYPTOPP_DEFINE_NAME_STRING(Prime1) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(Prime2) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(ModPrime1PrivateExponent) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(ModPrime2PrivateExponent) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(MultiplicativeInverseOfPrime2ModPrime1) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(QuadraticResidueModPrime1) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(QuadraticResidueModPrime2) //!< Integer +CRYPTOPP_DEFINE_NAME_STRING(PutMessage) //!< bool +CRYPTOPP_DEFINE_NAME_STRING(TruncatedDigestSize) //!< int +CRYPTOPP_DEFINE_NAME_STRING(BlockPaddingScheme) //!< StreamTransformationFilter::BlockPaddingScheme +CRYPTOPP_DEFINE_NAME_STRING(HashVerificationFilterFlags) //!< word32 +CRYPTOPP_DEFINE_NAME_STRING(AuthenticatedDecryptionFilterFlags) //!< word32 +CRYPTOPP_DEFINE_NAME_STRING(SignatureVerificationFilterFlags) //!< word32 +CRYPTOPP_DEFINE_NAME_STRING(InputBuffer) //!< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(OutputBuffer) //!< ByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(InputFileName) //!< const char * +CRYPTOPP_DEFINE_NAME_STRING(InputFileNameWide) //!< const wchar_t * +CRYPTOPP_DEFINE_NAME_STRING(InputStreamPointer) //!< std::istream * +CRYPTOPP_DEFINE_NAME_STRING(InputBinaryMode) //!< bool +CRYPTOPP_DEFINE_NAME_STRING(OutputFileName) //!< const char * +CRYPTOPP_DEFINE_NAME_STRING(OutputFileNameWide) //!< const wchar_t * +CRYPTOPP_DEFINE_NAME_STRING(OutputStreamPointer) //!< std::ostream * +CRYPTOPP_DEFINE_NAME_STRING(OutputBinaryMode) //!< bool +CRYPTOPP_DEFINE_NAME_STRING(EncodingParameters) //!< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(KeyDerivationParameters) //!< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(Separator) //< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(Terminator) //< ConstByteArrayParameter +CRYPTOPP_DEFINE_NAME_STRING(Uppercase) //< bool +CRYPTOPP_DEFINE_NAME_STRING(GroupSize) //< int +CRYPTOPP_DEFINE_NAME_STRING(Pad) //< bool +CRYPTOPP_DEFINE_NAME_STRING(PaddingByte) //< byte +CRYPTOPP_DEFINE_NAME_STRING(Log2Base) //< int +CRYPTOPP_DEFINE_NAME_STRING(EncodingLookupArray) //< const byte * +CRYPTOPP_DEFINE_NAME_STRING(DecodingLookupArray) //< const byte * +CRYPTOPP_DEFINE_NAME_STRING(InsertLineBreaks) //< bool +CRYPTOPP_DEFINE_NAME_STRING(MaxLineLength) //< int +CRYPTOPP_DEFINE_NAME_STRING(DigestSize) //!< int, in bytes +CRYPTOPP_DEFINE_NAME_STRING(L1KeyLength) //!< int, in bytes +CRYPTOPP_DEFINE_NAME_STRING(TableSize) //!< int, in bytes + +DOCUMENTED_NAMESPACE_END + +NAMESPACE_END + +#endif diff --git a/CryptoPP/asn.cpp b/CryptoPP/asn.cpp new file mode 100644 index 000000000..8ae1ad65a --- /dev/null +++ b/CryptoPP/asn.cpp @@ -0,0 +1,597 @@ +// asn.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "asn.h" + +#include <iomanip> +#include <time.h> + +NAMESPACE_BEGIN(CryptoPP) +USING_NAMESPACE(std) + +/// DER Length +size_t DERLengthEncode(BufferedTransformation &bt, lword length) +{ + size_t i=0; + if (length <= 0x7f) + { + bt.Put(byte(length)); + i++; + } + else + { + bt.Put(byte(BytePrecision(length) | 0x80)); + i++; + for (int j=BytePrecision(length); j; --j) + { + bt.Put(byte(length >> (j-1)*8)); + i++; + } + } + return i; +} + +bool BERLengthDecode(BufferedTransformation &bt, lword &length, bool &definiteLength) +{ + byte b; + + if (!bt.Get(b)) + return false; + + if (!(b & 0x80)) + { + definiteLength = true; + length = b; + } + else + { + unsigned int lengthBytes = b & 0x7f; + + if (lengthBytes == 0) + { + definiteLength = false; + return true; + } + + definiteLength = true; + length = 0; + while (lengthBytes--) + { + if (length >> (8*(sizeof(length)-1))) + BERDecodeError(); // length about to overflow + + if (!bt.Get(b)) + return false; + + length = (length << 8) | b; + } + } + return true; +} + +bool BERLengthDecode(BufferedTransformation &bt, size_t &length) +{ + lword lw; + bool definiteLength; + if (!BERLengthDecode(bt, lw, definiteLength)) + BERDecodeError(); + if (!SafeConvert(lw, length)) + BERDecodeError(); + return definiteLength; +} + +void DEREncodeNull(BufferedTransformation &out) +{ + out.Put(TAG_NULL); + out.Put(0); +} + +void BERDecodeNull(BufferedTransformation &in) +{ + byte b; + if (!in.Get(b) || b != TAG_NULL) + BERDecodeError(); + size_t length; + if (!BERLengthDecode(in, length) || length != 0) + BERDecodeError(); +} + +/// ASN Strings +size_t DEREncodeOctetString(BufferedTransformation &bt, const byte *str, size_t strLen) +{ + bt.Put(OCTET_STRING); + size_t lengthBytes = DERLengthEncode(bt, strLen); + bt.Put(str, strLen); + return 1+lengthBytes+strLen; +} + +size_t DEREncodeOctetString(BufferedTransformation &bt, const SecByteBlock &str) +{ + return DEREncodeOctetString(bt, str.begin(), str.size()); +} + +size_t BERDecodeOctetString(BufferedTransformation &bt, SecByteBlock &str) +{ + byte b; + if (!bt.Get(b) || b != OCTET_STRING) + BERDecodeError(); + + size_t bc; + if (!BERLengthDecode(bt, bc)) + BERDecodeError(); + + str.resize(bc); + if (bc != bt.Get(str, bc)) + BERDecodeError(); + return bc; +} + +size_t BERDecodeOctetString(BufferedTransformation &bt, BufferedTransformation &str) +{ + byte b; + if (!bt.Get(b) || b != OCTET_STRING) + BERDecodeError(); + + size_t bc; + if (!BERLengthDecode(bt, bc)) + BERDecodeError(); + + bt.TransferTo(str, bc); + return bc; +} + +size_t DEREncodeTextString(BufferedTransformation &bt, const std::string &str, byte asnTag) +{ + bt.Put(asnTag); + size_t lengthBytes = DERLengthEncode(bt, str.size()); + bt.Put((const byte *)str.data(), str.size()); + return 1+lengthBytes+str.size(); +} + +size_t BERDecodeTextString(BufferedTransformation &bt, std::string &str, byte asnTag) +{ + byte b; + if (!bt.Get(b) || b != asnTag) + BERDecodeError(); + + size_t bc; + if (!BERLengthDecode(bt, bc)) + BERDecodeError(); + + SecByteBlock temp(bc); + if (bc != bt.Get(temp, bc)) + BERDecodeError(); + str.assign((char *)temp.begin(), bc); + return bc; +} + +/// ASN BitString +size_t DEREncodeBitString(BufferedTransformation &bt, const byte *str, size_t strLen, unsigned int unusedBits) +{ + bt.Put(BIT_STRING); + size_t lengthBytes = DERLengthEncode(bt, strLen+1); + bt.Put((byte)unusedBits); + bt.Put(str, strLen); + return 2+lengthBytes+strLen; +} + +size_t BERDecodeBitString(BufferedTransformation &bt, SecByteBlock &str, unsigned int &unusedBits) +{ + byte b; + if (!bt.Get(b) || b != BIT_STRING) + BERDecodeError(); + + size_t bc; + if (!BERLengthDecode(bt, bc)) + BERDecodeError(); + + byte unused; + if (!bt.Get(unused)) + BERDecodeError(); + unusedBits = unused; + str.resize(bc-1); + if ((bc-1) != bt.Get(str, bc-1)) + BERDecodeError(); + return bc-1; +} + +void DERReencode(BufferedTransformation &source, BufferedTransformation &dest) +{ + byte tag; + source.Peek(tag); + BERGeneralDecoder decoder(source, tag); + DERGeneralEncoder encoder(dest, tag); + if (decoder.IsDefiniteLength()) + decoder.TransferTo(encoder, decoder.RemainingLength()); + else + { + while (!decoder.EndReached()) + DERReencode(decoder, encoder); + } + decoder.MessageEnd(); + encoder.MessageEnd(); +} + +void OID::EncodeValue(BufferedTransformation &bt, word32 v) +{ + for (unsigned int i=RoundUpToMultipleOf(STDMAX(7U,BitPrecision(v)), 7U)-7; i != 0; i-=7) + bt.Put((byte)(0x80 | ((v >> i) & 0x7f))); + bt.Put((byte)(v & 0x7f)); +} + +size_t OID::DecodeValue(BufferedTransformation &bt, word32 &v) +{ + byte b; + size_t i=0; + v = 0; + while (true) + { + if (!bt.Get(b)) + BERDecodeError(); + i++; + if (v >> (8*sizeof(v)-7)) // v about to overflow + BERDecodeError(); + v <<= 7; + v += b & 0x7f; + if (!(b & 0x80)) + return i; + } +} + +void OID::DEREncode(BufferedTransformation &bt) const +{ + assert(m_values.size() >= 2); + ByteQueue temp; + temp.Put(byte(m_values[0] * 40 + m_values[1])); + for (size_t i=2; i<m_values.size(); i++) + EncodeValue(temp, m_values[i]); + bt.Put(OBJECT_IDENTIFIER); + DERLengthEncode(bt, temp.CurrentSize()); + temp.TransferTo(bt); +} + +void OID::BERDecode(BufferedTransformation &bt) +{ + byte b; + if (!bt.Get(b) || b != OBJECT_IDENTIFIER) + BERDecodeError(); + + size_t length; + if (!BERLengthDecode(bt, length) || length < 1) + BERDecodeError(); + + if (!bt.Get(b)) + BERDecodeError(); + + length--; + m_values.resize(2); + m_values[0] = b / 40; + m_values[1] = b % 40; + + while (length > 0) + { + word32 v; + size_t valueLen = DecodeValue(bt, v); + if (valueLen > length) + BERDecodeError(); + m_values.push_back(v); + length -= valueLen; + } +} + +void OID::BERDecodeAndCheck(BufferedTransformation &bt) const +{ + OID oid(bt); + if (*this != oid) + BERDecodeError(); +} + +inline BufferedTransformation & EncodedObjectFilter::CurrentTarget() +{ + if (m_flags & PUT_OBJECTS) + return *AttachedTransformation(); + else + return TheBitBucket(); +} + +void EncodedObjectFilter::Put(const byte *inString, size_t length) +{ + if (m_nCurrentObject == m_nObjects) + { + AttachedTransformation()->Put(inString, length); + return; + } + + LazyPutter lazyPutter(m_queue, inString, length); + + while (m_queue.AnyRetrievable()) + { + switch (m_state) + { + case IDENTIFIER: + if (!m_queue.Get(m_id)) + return; + m_queue.TransferTo(CurrentTarget(), 1); + m_state = LENGTH; // fall through + case LENGTH: + { + byte b; + if (m_level > 0 && m_id == 0 && m_queue.Peek(b) && b == 0) + { + m_queue.TransferTo(CurrentTarget(), 1); + m_level--; + m_state = IDENTIFIER; + break; + } + ByteQueue::Walker walker(m_queue); + bool definiteLength; + if (!BERLengthDecode(walker, m_lengthRemaining, definiteLength)) + return; + m_queue.TransferTo(CurrentTarget(), walker.GetCurrentPosition()); + if (!((m_id & CONSTRUCTED) || definiteLength)) + BERDecodeError(); + if (!definiteLength) + { + if (!(m_id & CONSTRUCTED)) + BERDecodeError(); + m_level++; + m_state = IDENTIFIER; + break; + } + m_state = BODY; // fall through + } + case BODY: + m_lengthRemaining -= m_queue.TransferTo(CurrentTarget(), m_lengthRemaining); + + if (m_lengthRemaining == 0) + m_state = IDENTIFIER; + } + + if (m_state == IDENTIFIER && m_level == 0) + { + // just finished processing a level 0 object + ++m_nCurrentObject; + + if (m_flags & PUT_MESSANGE_END_AFTER_EACH_OBJECT) + AttachedTransformation()->MessageEnd(); + + if (m_nCurrentObject == m_nObjects) + { + if (m_flags & PUT_MESSANGE_END_AFTER_ALL_OBJECTS) + AttachedTransformation()->MessageEnd(); + + if (m_flags & PUT_MESSANGE_SERIES_END_AFTER_ALL_OBJECTS) + AttachedTransformation()->MessageSeriesEnd(); + + m_queue.TransferAllTo(*AttachedTransformation()); + return; + } + } + } +} + +BERGeneralDecoder::BERGeneralDecoder(BufferedTransformation &inQueue, byte asnTag) + : m_inQueue(inQueue), m_finished(false) +{ + Init(asnTag); +} + +BERGeneralDecoder::BERGeneralDecoder(BERGeneralDecoder &inQueue, byte asnTag) + : m_inQueue(inQueue), m_finished(false) +{ + Init(asnTag); +} + +void BERGeneralDecoder::Init(byte asnTag) +{ + byte b; + if (!m_inQueue.Get(b) || b != asnTag) + BERDecodeError(); + + if (!BERLengthDecode(m_inQueue, m_length, m_definiteLength)) + BERDecodeError(); + + if (!m_definiteLength && !(asnTag & CONSTRUCTED)) + BERDecodeError(); // cannot be primitive and have indefinite length +} + +BERGeneralDecoder::~BERGeneralDecoder() +{ + try // avoid throwing in constructor + { + if (!m_finished) + MessageEnd(); + } + catch (...) + { + } +} + +bool BERGeneralDecoder::EndReached() const +{ + if (m_definiteLength) + return m_length == 0; + else + { // check end-of-content octets + word16 i; + return (m_inQueue.PeekWord16(i)==2 && i==0); + } +} + +byte BERGeneralDecoder::PeekByte() const +{ + byte b; + if (!Peek(b)) + BERDecodeError(); + return b; +} + +void BERGeneralDecoder::CheckByte(byte check) +{ + byte b; + if (!Get(b) || b != check) + BERDecodeError(); +} + +void BERGeneralDecoder::MessageEnd() +{ + m_finished = true; + if (m_definiteLength) + { + if (m_length != 0) + BERDecodeError(); + } + else + { // remove end-of-content octets + word16 i; + if (m_inQueue.GetWord16(i) != 2 || i != 0) + BERDecodeError(); + } +} + +size_t BERGeneralDecoder::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + if (m_definiteLength && transferBytes > m_length) + transferBytes = m_length; + size_t blockedBytes = m_inQueue.TransferTo2(target, transferBytes, channel, blocking); + ReduceLength(transferBytes); + return blockedBytes; +} + +size_t BERGeneralDecoder::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + if (m_definiteLength) + end = STDMIN(m_length, end); + return m_inQueue.CopyRangeTo2(target, begin, end, channel, blocking); +} + +lword BERGeneralDecoder::ReduceLength(lword delta) +{ + if (m_definiteLength) + { + if (m_length < delta) + BERDecodeError(); + m_length -= delta; + } + return delta; +} + +DERGeneralEncoder::DERGeneralEncoder(BufferedTransformation &outQueue, byte asnTag) + : m_outQueue(outQueue), m_finished(false), m_asnTag(asnTag) +{ +} + +DERGeneralEncoder::DERGeneralEncoder(DERGeneralEncoder &outQueue, byte asnTag) + : m_outQueue(outQueue), m_finished(false), m_asnTag(asnTag) +{ +} + +DERGeneralEncoder::~DERGeneralEncoder() +{ + try // avoid throwing in constructor + { + if (!m_finished) + MessageEnd(); + } + catch (...) + { + } +} + +void DERGeneralEncoder::MessageEnd() +{ + m_finished = true; + lword length = CurrentSize(); + m_outQueue.Put(m_asnTag); + DERLengthEncode(m_outQueue, length); + TransferTo(m_outQueue); +} + +// ************************************************************* + +void X509PublicKey::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder subjectPublicKeyInfo(bt); + BERSequenceDecoder algorithm(subjectPublicKeyInfo); + GetAlgorithmID().BERDecodeAndCheck(algorithm); + bool parametersPresent = algorithm.EndReached() ? false : BERDecodeAlgorithmParameters(algorithm); + algorithm.MessageEnd(); + + BERGeneralDecoder subjectPublicKey(subjectPublicKeyInfo, BIT_STRING); + subjectPublicKey.CheckByte(0); // unused bits + BERDecodePublicKey(subjectPublicKey, parametersPresent, (size_t)subjectPublicKey.RemainingLength()); + subjectPublicKey.MessageEnd(); + subjectPublicKeyInfo.MessageEnd(); +} + +void X509PublicKey::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder subjectPublicKeyInfo(bt); + + DERSequenceEncoder algorithm(subjectPublicKeyInfo); + GetAlgorithmID().DEREncode(algorithm); + DEREncodeAlgorithmParameters(algorithm); + algorithm.MessageEnd(); + + DERGeneralEncoder subjectPublicKey(subjectPublicKeyInfo, BIT_STRING); + subjectPublicKey.Put(0); // unused bits + DEREncodePublicKey(subjectPublicKey); + subjectPublicKey.MessageEnd(); + + subjectPublicKeyInfo.MessageEnd(); +} + +void PKCS8PrivateKey::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder privateKeyInfo(bt); + word32 version; + BERDecodeUnsigned<word32>(privateKeyInfo, version, INTEGER, 0, 0); // check version + + BERSequenceDecoder algorithm(privateKeyInfo); + GetAlgorithmID().BERDecodeAndCheck(algorithm); + bool parametersPresent = algorithm.EndReached() ? false : BERDecodeAlgorithmParameters(algorithm); + algorithm.MessageEnd(); + + BERGeneralDecoder octetString(privateKeyInfo, OCTET_STRING); + BERDecodePrivateKey(octetString, parametersPresent, (size_t)privateKeyInfo.RemainingLength()); + octetString.MessageEnd(); + + if (!privateKeyInfo.EndReached()) + BERDecodeOptionalAttributes(privateKeyInfo); + privateKeyInfo.MessageEnd(); +} + +void PKCS8PrivateKey::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder privateKeyInfo(bt); + DEREncodeUnsigned<word32>(privateKeyInfo, 0); // version + + DERSequenceEncoder algorithm(privateKeyInfo); + GetAlgorithmID().DEREncode(algorithm); + DEREncodeAlgorithmParameters(algorithm); + algorithm.MessageEnd(); + + DERGeneralEncoder octetString(privateKeyInfo, OCTET_STRING); + DEREncodePrivateKey(octetString); + octetString.MessageEnd(); + + DEREncodeOptionalAttributes(privateKeyInfo); + privateKeyInfo.MessageEnd(); +} + +void PKCS8PrivateKey::BERDecodeOptionalAttributes(BufferedTransformation &bt) +{ + DERReencode(bt, m_optionalAttributes); +} + +void PKCS8PrivateKey::DEREncodeOptionalAttributes(BufferedTransformation &bt) const +{ + m_optionalAttributes.CopyTo(bt); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/asn.h b/CryptoPP/asn.h new file mode 100644 index 000000000..c35126bc3 --- /dev/null +++ b/CryptoPP/asn.h @@ -0,0 +1,369 @@ +#ifndef CRYPTOPP_ASN_H +#define CRYPTOPP_ASN_H + +#include "filters.h" +#include "queue.h" +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +// these tags and flags are not complete +enum ASNTag +{ + BOOLEAN = 0x01, + INTEGER = 0x02, + BIT_STRING = 0x03, + OCTET_STRING = 0x04, + TAG_NULL = 0x05, + OBJECT_IDENTIFIER = 0x06, + OBJECT_DESCRIPTOR = 0x07, + EXTERNAL = 0x08, + REAL = 0x09, + ENUMERATED = 0x0a, + UTF8_STRING = 0x0c, + SEQUENCE = 0x10, + SET = 0x11, + NUMERIC_STRING = 0x12, + PRINTABLE_STRING = 0x13, + T61_STRING = 0x14, + VIDEOTEXT_STRING = 0x15, + IA5_STRING = 0x16, + UTC_TIME = 0x17, + GENERALIZED_TIME = 0x18, + GRAPHIC_STRING = 0x19, + VISIBLE_STRING = 0x1a, + GENERAL_STRING = 0x1b +}; + +enum ASNIdFlag +{ + UNIVERSAL = 0x00, +// DATA = 0x01, +// HEADER = 0x02, + CONSTRUCTED = 0x20, + APPLICATION = 0x40, + CONTEXT_SPECIFIC = 0x80, + PRIVATE = 0xc0 +}; + +inline void BERDecodeError() {throw BERDecodeErr();} + +class CRYPTOPP_DLL UnknownOID : public BERDecodeErr +{ +public: + UnknownOID() : BERDecodeErr("BER decode error: unknown object identifier") {} + UnknownOID(const char *err) : BERDecodeErr(err) {} +}; + +// unsigned int DERLengthEncode(unsigned int length, byte *output=0); +CRYPTOPP_DLL size_t CRYPTOPP_API DERLengthEncode(BufferedTransformation &out, lword length); +// returns false if indefinite length +CRYPTOPP_DLL bool CRYPTOPP_API BERLengthDecode(BufferedTransformation &in, size_t &length); + +CRYPTOPP_DLL void CRYPTOPP_API DEREncodeNull(BufferedTransformation &out); +CRYPTOPP_DLL void CRYPTOPP_API BERDecodeNull(BufferedTransformation &in); + +CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeOctetString(BufferedTransformation &out, const byte *str, size_t strLen); +CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeOctetString(BufferedTransformation &out, const SecByteBlock &str); +CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeOctetString(BufferedTransformation &in, SecByteBlock &str); +CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeOctetString(BufferedTransformation &in, BufferedTransformation &str); + +// for UTF8_STRING, PRINTABLE_STRING, and IA5_STRING +CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeTextString(BufferedTransformation &out, const std::string &str, byte asnTag); +CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeTextString(BufferedTransformation &in, std::string &str, byte asnTag); + +CRYPTOPP_DLL size_t CRYPTOPP_API DEREncodeBitString(BufferedTransformation &out, const byte *str, size_t strLen, unsigned int unusedBits=0); +CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeBitString(BufferedTransformation &in, SecByteBlock &str, unsigned int &unusedBits); + +// BER decode from source and DER reencode into dest +CRYPTOPP_DLL void CRYPTOPP_API DERReencode(BufferedTransformation &source, BufferedTransformation &dest); + +//! Object Identifier +class CRYPTOPP_DLL OID +{ +public: + OID() {} + OID(word32 v) : m_values(1, v) {} + OID(BufferedTransformation &bt) {BERDecode(bt);} + + inline OID & operator+=(word32 rhs) {m_values.push_back(rhs); return *this;} + + void DEREncode(BufferedTransformation &bt) const; + void BERDecode(BufferedTransformation &bt); + + // throw BERDecodeErr() if decoded value doesn't equal this OID + void BERDecodeAndCheck(BufferedTransformation &bt) const; + + std::vector<word32> m_values; + +private: + static void EncodeValue(BufferedTransformation &bt, word32 v); + static size_t DecodeValue(BufferedTransformation &bt, word32 &v); +}; + +class EncodedObjectFilter : public Filter +{ +public: + enum Flag {PUT_OBJECTS=1, PUT_MESSANGE_END_AFTER_EACH_OBJECT=2, PUT_MESSANGE_END_AFTER_ALL_OBJECTS=4, PUT_MESSANGE_SERIES_END_AFTER_ALL_OBJECTS=8}; + EncodedObjectFilter(BufferedTransformation *attachment = NULL, unsigned int nObjects = 1, word32 flags = 0); + + void Put(const byte *inString, size_t length); + + unsigned int GetNumberOfCompletedObjects() const {return m_nCurrentObject;} + unsigned long GetPositionOfObject(unsigned int i) const {return m_positions[i];} + +private: + BufferedTransformation & CurrentTarget(); + + word32 m_flags; + unsigned int m_nObjects, m_nCurrentObject, m_level; + std::vector<unsigned int> m_positions; + ByteQueue m_queue; + enum State {IDENTIFIER, LENGTH, BODY, TAIL, ALL_DONE} m_state; + byte m_id; + lword m_lengthRemaining; +}; + +//! BER General Decoder +class CRYPTOPP_DLL BERGeneralDecoder : public Store +{ +public: + explicit BERGeneralDecoder(BufferedTransformation &inQueue, byte asnTag); + explicit BERGeneralDecoder(BERGeneralDecoder &inQueue, byte asnTag); + ~BERGeneralDecoder(); + + bool IsDefiniteLength() const {return m_definiteLength;} + lword RemainingLength() const {assert(m_definiteLength); return m_length;} + bool EndReached() const; + byte PeekByte() const; + void CheckByte(byte b); + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + + // call this to denote end of sequence + void MessageEnd(); + +protected: + BufferedTransformation &m_inQueue; + bool m_finished, m_definiteLength; + lword m_length; + +private: + void Init(byte asnTag); + void StoreInitialize(const NameValuePairs ¶meters) {assert(false);} + lword ReduceLength(lword delta); +}; + +//! DER General Encoder +class CRYPTOPP_DLL DERGeneralEncoder : public ByteQueue +{ +public: + explicit DERGeneralEncoder(BufferedTransformation &outQueue, byte asnTag = SEQUENCE | CONSTRUCTED); + explicit DERGeneralEncoder(DERGeneralEncoder &outQueue, byte asnTag = SEQUENCE | CONSTRUCTED); + ~DERGeneralEncoder(); + + // call this to denote end of sequence + void MessageEnd(); + +private: + BufferedTransformation &m_outQueue; + bool m_finished; + + byte m_asnTag; +}; + +//! BER Sequence Decoder +class CRYPTOPP_DLL BERSequenceDecoder : public BERGeneralDecoder +{ +public: + explicit BERSequenceDecoder(BufferedTransformation &inQueue, byte asnTag = SEQUENCE | CONSTRUCTED) + : BERGeneralDecoder(inQueue, asnTag) {} + explicit BERSequenceDecoder(BERSequenceDecoder &inQueue, byte asnTag = SEQUENCE | CONSTRUCTED) + : BERGeneralDecoder(inQueue, asnTag) {} +}; + +//! DER Sequence Encoder +class CRYPTOPP_DLL DERSequenceEncoder : public DERGeneralEncoder +{ +public: + explicit DERSequenceEncoder(BufferedTransformation &outQueue, byte asnTag = SEQUENCE | CONSTRUCTED) + : DERGeneralEncoder(outQueue, asnTag) {} + explicit DERSequenceEncoder(DERSequenceEncoder &outQueue, byte asnTag = SEQUENCE | CONSTRUCTED) + : DERGeneralEncoder(outQueue, asnTag) {} +}; + +//! BER Set Decoder +class CRYPTOPP_DLL BERSetDecoder : public BERGeneralDecoder +{ +public: + explicit BERSetDecoder(BufferedTransformation &inQueue, byte asnTag = SET | CONSTRUCTED) + : BERGeneralDecoder(inQueue, asnTag) {} + explicit BERSetDecoder(BERSetDecoder &inQueue, byte asnTag = SET | CONSTRUCTED) + : BERGeneralDecoder(inQueue, asnTag) {} +}; + +//! DER Set Encoder +class CRYPTOPP_DLL DERSetEncoder : public DERGeneralEncoder +{ +public: + explicit DERSetEncoder(BufferedTransformation &outQueue, byte asnTag = SET | CONSTRUCTED) + : DERGeneralEncoder(outQueue, asnTag) {} + explicit DERSetEncoder(DERSetEncoder &outQueue, byte asnTag = SET | CONSTRUCTED) + : DERGeneralEncoder(outQueue, asnTag) {} +}; + +template <class T> +class ASNOptional : public member_ptr<T> +{ +public: + void BERDecode(BERSequenceDecoder &seqDecoder, byte tag, byte mask = ~CONSTRUCTED) + { + byte b; + if (seqDecoder.Peek(b) && (b & mask) == tag) + reset(new T(seqDecoder)); + } + void DEREncode(BufferedTransformation &out) + { + if (this->get() != NULL) + this->get()->DEREncode(out); + } +}; + +//! _ +template <class BASE> +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE ASN1CryptoMaterial : public ASN1Object, public BASE +{ +public: + void Save(BufferedTransformation &bt) const + {BEREncode(bt);} + void Load(BufferedTransformation &bt) + {BERDecode(bt);} +}; + +//! encodes/decodes subjectPublicKeyInfo +class CRYPTOPP_DLL X509PublicKey : public ASN1CryptoMaterial<PublicKey> +{ +public: + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + virtual OID GetAlgorithmID() const =0; + virtual bool BERDecodeAlgorithmParameters(BufferedTransformation &bt) + {BERDecodeNull(bt); return false;} + virtual bool DEREncodeAlgorithmParameters(BufferedTransformation &bt) const + {DEREncodeNull(bt); return false;} // see RFC 2459, section 7.3.1 + + //! decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header + virtual void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size) =0; + //! encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header + virtual void DEREncodePublicKey(BufferedTransformation &bt) const =0; +}; + +//! encodes/decodes privateKeyInfo +class CRYPTOPP_DLL PKCS8PrivateKey : public ASN1CryptoMaterial<PrivateKey> +{ +public: + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + virtual OID GetAlgorithmID() const =0; + virtual bool BERDecodeAlgorithmParameters(BufferedTransformation &bt) + {BERDecodeNull(bt); return false;} + virtual bool DEREncodeAlgorithmParameters(BufferedTransformation &bt) const + {DEREncodeNull(bt); return false;} // see RFC 2459, section 7.3.1 + + //! decode privateKey part of privateKeyInfo, without the OCTET STRING header + virtual void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size) =0; + //! encode privateKey part of privateKeyInfo, without the OCTET STRING header + virtual void DEREncodePrivateKey(BufferedTransformation &bt) const =0; + + //! decode optional attributes including context-specific tag + /*! /note default implementation stores attributes to be output in DEREncodeOptionalAttributes */ + virtual void BERDecodeOptionalAttributes(BufferedTransformation &bt); + //! encode optional attributes including context-specific tag + virtual void DEREncodeOptionalAttributes(BufferedTransformation &bt) const; + +protected: + ByteQueue m_optionalAttributes; +}; + +// ******************************************************** + +//! DER Encode Unsigned +/*! for INTEGER, BOOLEAN, and ENUM */ +template <class T> +size_t DEREncodeUnsigned(BufferedTransformation &out, T w, byte asnTag = INTEGER) +{ + byte buf[sizeof(w)+1]; + unsigned int bc; + if (asnTag == BOOLEAN) + { + buf[sizeof(w)] = w ? 0xff : 0; + bc = 1; + } + else + { + buf[0] = 0; + for (unsigned int i=0; i<sizeof(w); i++) + buf[i+1] = byte(w >> (sizeof(w)-1-i)*8); + bc = sizeof(w); + while (bc > 1 && buf[sizeof(w)+1-bc] == 0) + --bc; + if (buf[sizeof(w)+1-bc] & 0x80) + ++bc; + } + out.Put(asnTag); + size_t lengthBytes = DERLengthEncode(out, bc); + out.Put(buf+sizeof(w)+1-bc, bc); + return 1+lengthBytes+bc; +} + +//! BER Decode Unsigned +// VC60 workaround: std::numeric_limits<T>::max conflicts with MFC max macro +// CW41 workaround: std::numeric_limits<T>::max causes a template error +template <class T> +void BERDecodeUnsigned(BufferedTransformation &in, T &w, byte asnTag = INTEGER, + T minValue = 0, T maxValue = 0xffffffff) +{ + byte b; + if (!in.Get(b) || b != asnTag) + BERDecodeError(); + + size_t bc; + BERLengthDecode(in, bc); + + SecByteBlock buf(bc); + + if (bc != in.Get(buf, bc)) + BERDecodeError(); + + const byte *ptr = buf; + while (bc > sizeof(w) && *ptr == 0) + { + bc--; + ptr++; + } + if (bc > sizeof(w)) + BERDecodeError(); + + w = 0; + for (unsigned int i=0; i<bc; i++) + w = (w << 8) | ptr[i]; + + if (w < minValue || w > maxValue) + BERDecodeError(); +} + +inline bool operator==(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs) + {return lhs.m_values == rhs.m_values;} +inline bool operator!=(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs) + {return lhs.m_values != rhs.m_values;} +inline bool operator<(const ::CryptoPP::OID &lhs, const ::CryptoPP::OID &rhs) + {return std::lexicographical_compare(lhs.m_values.begin(), lhs.m_values.end(), rhs.m_values.begin(), rhs.m_values.end());} +inline ::CryptoPP::OID operator+(const ::CryptoPP::OID &lhs, unsigned long rhs) + {return ::CryptoPP::OID(lhs)+=rhs;} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/authenc.cpp b/CryptoPP/authenc.cpp new file mode 100644 index 000000000..0ca5da60d --- /dev/null +++ b/CryptoPP/authenc.cpp @@ -0,0 +1,180 @@ +// authenc.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "authenc.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void AuthenticatedSymmetricCipherBase::AuthenticateData(const byte *input, size_t len)
+{
+ unsigned int blockSize = AuthenticationBlockSize();
+ unsigned int &num = m_bufferedDataLength;
+ byte* data = m_buffer.begin();
+
+ if (num != 0) // process left over data
+ {
+ if (num+len >= blockSize)
+ {
+ memcpy(data+num, input, blockSize-num);
+ AuthenticateBlocks(data, blockSize);
+ input += (blockSize-num);
+ len -= (blockSize-num);
+ num = 0;
+ // drop through and do the rest
+ }
+ else
+ {
+ memcpy(data+num, input, len);
+ num += (unsigned int)len;
+ return;
+ }
+ }
+
+ // now process the input data in blocks of blockSize bytes and save the leftovers to m_data
+ if (len >= blockSize)
+ {
+ size_t leftOver = AuthenticateBlocks(input, len);
+ input += (len - leftOver);
+ len = leftOver;
+ }
+
+ memcpy(data, input, len);
+ num = (unsigned int)len;
+}
+
+void AuthenticatedSymmetricCipherBase::SetKey(const byte *userKey, size_t keylength, const NameValuePairs ¶ms)
+{
+ m_bufferedDataLength = 0;
+ m_state = State_Start;
+
+ SetKeyWithoutResync(userKey, keylength, params);
+ m_state = State_KeySet;
+
+ size_t length;
+ const byte *iv = GetIVAndThrowIfInvalid(params, length);
+ if (iv)
+ Resynchronize(iv, (int)length);
+}
+
+void AuthenticatedSymmetricCipherBase::Resynchronize(const byte *iv, int length)
+{
+ if (m_state < State_KeySet)
+ throw BadState(AlgorithmName(), "Resynchronize", "key is set");
+
+ m_bufferedDataLength = 0;
+ m_totalHeaderLength = m_totalMessageLength = m_totalFooterLength = 0;
+ m_state = State_KeySet;
+
+ Resync(iv, this->ThrowIfInvalidIVLength(length));
+ m_state = State_IVSet;
+}
+
+void AuthenticatedSymmetricCipherBase::Update(const byte *input, size_t length)
+{
+ if (length == 0)
+ return;
+
+ switch (m_state)
+ {
+ case State_Start:
+ case State_KeySet:
+ throw BadState(AlgorithmName(), "Update", "setting key and IV");
+ case State_IVSet:
+ AuthenticateData(input, length);
+ m_totalHeaderLength += length;
+ break;
+ case State_AuthUntransformed:
+ case State_AuthTransformed:
+ AuthenticateLastConfidentialBlock();
+ m_bufferedDataLength = 0;
+ m_state = State_AuthFooter;
+ // fall through
+ case State_AuthFooter:
+ AuthenticateData(input, length);
+ m_totalFooterLength += length;
+ break;
+ default:
+ assert(false);
+ }
+}
+
+void AuthenticatedSymmetricCipherBase::ProcessData(byte *outString, const byte *inString, size_t length)
+{
+ m_totalMessageLength += length;
+ if (m_state >= State_IVSet && m_totalMessageLength > MaxMessageLength())
+ throw InvalidArgument(AlgorithmName() + ": message length exceeds maximum");
+
+reswitch:
+ switch (m_state)
+ {
+ case State_Start:
+ case State_KeySet:
+ throw BadState(AlgorithmName(), "ProcessData", "setting key and IV");
+ case State_AuthFooter:
+ throw BadState(AlgorithmName(), "ProcessData was called after footer input has started");
+ case State_IVSet:
+ AuthenticateLastHeaderBlock();
+ m_bufferedDataLength = 0;
+ m_state = AuthenticationIsOnPlaintext()==IsForwardTransformation() ? State_AuthUntransformed : State_AuthTransformed;
+ goto reswitch;
+ case State_AuthUntransformed:
+ AuthenticateData(inString, length);
+ AccessSymmetricCipher().ProcessData(outString, inString, length);
+ break;
+ case State_AuthTransformed:
+ AccessSymmetricCipher().ProcessData(outString, inString, length);
+ AuthenticateData(outString, length);
+ break;
+ default:
+ assert(false);
+ }
+}
+
+void AuthenticatedSymmetricCipherBase::TruncatedFinal(byte *mac, size_t macSize)
+{
+ if (m_totalHeaderLength > MaxHeaderLength())
+ throw InvalidArgument(AlgorithmName() + ": header length of " + IntToString(m_totalHeaderLength) + " exceeds the maximum of " + IntToString(MaxHeaderLength()));
+
+ if (m_totalFooterLength > MaxFooterLength())
+ {
+ if (MaxFooterLength() == 0)
+ throw InvalidArgument(AlgorithmName() + ": additional authenticated data (AAD) cannot be input after data to be encrypted or decrypted");
+ else
+ throw InvalidArgument(AlgorithmName() + ": footer length of " + IntToString(m_totalFooterLength) + " exceeds the maximum of " + IntToString(MaxFooterLength()));
+ }
+
+ switch (m_state)
+ {
+ case State_Start:
+ case State_KeySet:
+ throw BadState(AlgorithmName(), "TruncatedFinal", "setting key and IV");
+
+ case State_IVSet:
+ AuthenticateLastHeaderBlock();
+ m_bufferedDataLength = 0;
+ // fall through
+
+ case State_AuthUntransformed:
+ case State_AuthTransformed:
+ AuthenticateLastConfidentialBlock();
+ m_bufferedDataLength = 0;
+ // fall through
+
+ case State_AuthFooter:
+ AuthenticateLastFooterBlock(mac, macSize);
+ m_bufferedDataLength = 0;
+ break;
+
+ default:
+ assert(false);
+ }
+
+ m_state = State_KeySet;
+}
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/authenc.h b/CryptoPP/authenc.h new file mode 100644 index 000000000..f726716e7 --- /dev/null +++ b/CryptoPP/authenc.h @@ -0,0 +1,49 @@ +#ifndef CRYPTOPP_AUTHENC_H
+#define CRYPTOPP_AUTHENC_H
+
+#include "cryptlib.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! .
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedSymmetricCipherBase : public AuthenticatedSymmetricCipher
+{
+public:
+ AuthenticatedSymmetricCipherBase() : m_state(State_Start) {}
+
+ bool IsRandomAccess() const {return false;}
+ bool IsSelfInverting() const {return true;}
+ void UncheckedSetKey(const byte *,unsigned int,const CryptoPP::NameValuePairs &) {assert(false);}
+
+ void SetKey(const byte *userKey, size_t keylength, const NameValuePairs ¶ms);
+ void Restart() {if (m_state > State_KeySet) m_state = State_KeySet;}
+ void Resynchronize(const byte *iv, int length=-1);
+ void Update(const byte *input, size_t length);
+ void ProcessData(byte *outString, const byte *inString, size_t length);
+ void TruncatedFinal(byte *mac, size_t macSize);
+
+protected:
+ void AuthenticateData(const byte *data, size_t len);
+ const SymmetricCipher & GetSymmetricCipher() const {return const_cast<AuthenticatedSymmetricCipherBase *>(this)->AccessSymmetricCipher();};
+
+ virtual SymmetricCipher & AccessSymmetricCipher() =0;
+ virtual bool AuthenticationIsOnPlaintext() const =0;
+ virtual unsigned int AuthenticationBlockSize() const =0;
+ virtual void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms) =0;
+ virtual void Resync(const byte *iv, size_t len) =0;
+ virtual size_t AuthenticateBlocks(const byte *data, size_t len) =0;
+ virtual void AuthenticateLastHeaderBlock() =0;
+ virtual void AuthenticateLastConfidentialBlock() {}
+ virtual void AuthenticateLastFooterBlock(byte *mac, size_t macSize) =0;
+
+ enum State {State_Start, State_KeySet, State_IVSet, State_AuthUntransformed, State_AuthTransformed, State_AuthFooter};
+ State m_state;
+ unsigned int m_bufferedDataLength;
+ lword m_totalHeaderLength, m_totalMessageLength, m_totalFooterLength;
+ AlignedSecByteBlock m_buffer;
+};
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/base32.cpp b/CryptoPP/base32.cpp new file mode 100644 index 000000000..0568f0729 --- /dev/null +++ b/CryptoPP/base32.cpp @@ -0,0 +1,39 @@ +// base32.cpp - written and placed in the public domain by Frank Palazzolo, based on hex.cpp by Wei Dai + +#include "pch.h" +#include "base32.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const byte s_vecUpper[] = "ABCDEFGHIJKMNPQRSTUVWXYZ23456789"; +static const byte s_vecLower[] = "abcdefghijkmnpqrstuvwxyz23456789"; + +void Base32Encoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + bool uppercase = parameters.GetValueWithDefault(Name::Uppercase(), true); + m_filter->Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0], false)(Name::Log2Base(), 5, true))); +} + +void Base32Decoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + BaseN_Decoder::Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(), false)(Name::Log2Base(), 5, true))); +} + +const int *Base32Decoder::GetDefaultDecodingLookupArray() +{ + static volatile bool s_initialized = false; + static int s_array[256]; + + if (!s_initialized) + { + InitializeDecodingLookupArray(s_array, s_vecUpper, 32, true); + s_initialized = true; + } + return s_array; +} + +NAMESPACE_END diff --git a/CryptoPP/base32.h b/CryptoPP/base32.h new file mode 100644 index 000000000..cb1e1af8d --- /dev/null +++ b/CryptoPP/base32.h @@ -0,0 +1,38 @@ +#ifndef CRYPTOPP_BASE32_H +#define CRYPTOPP_BASE32_H + +#include "basecode.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Converts given data to base 32, the default code is based on draft-ietf-idn-dude-02.txt +/*! To specify alternative code, call Initialize() with EncodingLookupArray parameter. */ +class Base32Encoder : public SimpleProxyFilter +{ +public: + Base32Encoder(BufferedTransformation *attachment = NULL, bool uppercase = true, int outputGroupSize = 0, const std::string &separator = ":", const std::string &terminator = "") + : SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment) + { + IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), outputGroupSize)(Name::Separator(), ConstByteArrayParameter(separator))); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); +}; + +//! Decode base 32 data back to bytes, the default code is based on draft-ietf-idn-dude-02.txt +/*! To specify alternative code, call Initialize() with DecodingLookupArray parameter. */ +class Base32Decoder : public BaseN_Decoder +{ +public: + Base32Decoder(BufferedTransformation *attachment = NULL) + : BaseN_Decoder(GetDefaultDecodingLookupArray(), 5, attachment) {} + + void IsolatedInitialize(const NameValuePairs ¶meters); + +private: + static const int * CRYPTOPP_API GetDefaultDecodingLookupArray(); +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/base64.cpp b/CryptoPP/base64.cpp new file mode 100644 index 000000000..7571f2b8c --- /dev/null +++ b/CryptoPP/base64.cpp @@ -0,0 +1,42 @@ +// base64.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "base64.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const byte s_vec[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; +static const byte s_padding = '='; + +void Base64Encoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + bool insertLineBreaks = parameters.GetValueWithDefault(Name::InsertLineBreaks(), true); + int maxLineLength = parameters.GetIntValueWithDefault(Name::MaxLineLength(), 72); + + const char *lineBreak = insertLineBreaks ? "\n" : ""; + + m_filter->Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::EncodingLookupArray(), &s_vec[0], false) + (Name::PaddingByte(), s_padding) + (Name::GroupSize(), insertLineBreaks ? maxLineLength : 0) + (Name::Separator(), ConstByteArrayParameter(lineBreak)) + (Name::Terminator(), ConstByteArrayParameter(lineBreak)) + (Name::Log2Base(), 6, true))); +} + +const int *Base64Decoder::GetDecodingLookupArray() +{ + static volatile bool s_initialized = false; + static int s_array[256]; + + if (!s_initialized) + { + InitializeDecodingLookupArray(s_array, s_vec, 64, false); + s_initialized = true; + } + return s_array; +} + +NAMESPACE_END diff --git a/CryptoPP/base64.h b/CryptoPP/base64.h new file mode 100644 index 000000000..5a9e184b2 --- /dev/null +++ b/CryptoPP/base64.h @@ -0,0 +1,36 @@ +#ifndef CRYPTOPP_BASE64_H +#define CRYPTOPP_BASE64_H + +#include "basecode.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Base64 Encoder Class +class Base64Encoder : public SimpleProxyFilter +{ +public: + Base64Encoder(BufferedTransformation *attachment = NULL, bool insertLineBreaks = true, int maxLineLength = 72) + : SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment) + { + IsolatedInitialize(MakeParameters(Name::InsertLineBreaks(), insertLineBreaks)(Name::MaxLineLength(), maxLineLength)); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); +}; + +//! Base64 Decoder Class +class Base64Decoder : public BaseN_Decoder +{ +public: + Base64Decoder(BufferedTransformation *attachment = NULL) + : BaseN_Decoder(GetDecodingLookupArray(), 6, attachment) {} + + void IsolatedInitialize(const NameValuePairs ¶meters) {} + +private: + static const int * CRYPTOPP_API GetDecodingLookupArray(); +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/basecode.cpp b/CryptoPP/basecode.cpp new file mode 100644 index 000000000..0c98b2271 --- /dev/null +++ b/CryptoPP/basecode.cpp @@ -0,0 +1,238 @@ +// basecode.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "basecode.h" +#include "fltrimpl.h" +#include <ctype.h> + +NAMESPACE_BEGIN(CryptoPP) + +void BaseN_Encoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + parameters.GetRequiredParameter("BaseN_Encoder", Name::EncodingLookupArray(), m_alphabet); + + parameters.GetRequiredIntParameter("BaseN_Encoder", Name::Log2Base(), m_bitsPerChar); + if (m_bitsPerChar <= 0 || m_bitsPerChar >= 8) + throw InvalidArgument("BaseN_Encoder: Log2Base must be between 1 and 7 inclusive"); + + byte padding; + bool pad; + if (parameters.GetValue(Name::PaddingByte(), padding)) + pad = parameters.GetValueWithDefault(Name::Pad(), true); + else + pad = false; + m_padding = pad ? padding : -1; + + m_bytePos = m_bitPos = 0; + + int i = 8; + while (i%m_bitsPerChar != 0) + i += 8; + m_outputBlockSize = i/m_bitsPerChar; + + m_outBuf.New(m_outputBlockSize); +} + +size_t BaseN_Encoder::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + FILTER_BEGIN; + while (m_inputPosition < length) + { + if (m_bytePos == 0) + memset(m_outBuf, 0, m_outputBlockSize); + + { + unsigned int b = begin[m_inputPosition++], bitsLeftInSource = 8; + while (true) + { + assert(m_bitPos < m_bitsPerChar); + unsigned int bitsLeftInTarget = m_bitsPerChar-m_bitPos; + m_outBuf[m_bytePos] |= b >> (8-bitsLeftInTarget); + if (bitsLeftInSource >= bitsLeftInTarget) + { + m_bitPos = 0; + ++m_bytePos; + bitsLeftInSource -= bitsLeftInTarget; + if (bitsLeftInSource == 0) + break; + b <<= bitsLeftInTarget; + b &= 0xff; + } + else + { + m_bitPos += bitsLeftInSource; + break; + } + } + } + + assert(m_bytePos <= m_outputBlockSize); + if (m_bytePos == m_outputBlockSize) + { + int i; + for (i=0; i<m_bytePos; i++) + { + assert(m_outBuf[i] < (1 << m_bitsPerChar)); + m_outBuf[i] = m_alphabet[m_outBuf[i]]; + } + FILTER_OUTPUT(1, m_outBuf, m_outputBlockSize, 0); + + m_bytePos = m_bitPos = 0; + } + } + if (messageEnd) + { + if (m_bitPos > 0) + ++m_bytePos; + + int i; + for (i=0; i<m_bytePos; i++) + m_outBuf[i] = m_alphabet[m_outBuf[i]]; + + if (m_padding != -1 && m_bytePos > 0) + { + memset(m_outBuf+m_bytePos, m_padding, m_outputBlockSize-m_bytePos); + m_bytePos = m_outputBlockSize; + } + FILTER_OUTPUT(2, m_outBuf, m_bytePos, messageEnd); + m_bytePos = m_bitPos = 0; + } + FILTER_END_NO_MESSAGE_END; +} + +void BaseN_Decoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + parameters.GetRequiredParameter("BaseN_Decoder", Name::DecodingLookupArray(), m_lookup); + + parameters.GetRequiredIntParameter("BaseN_Decoder", Name::Log2Base(), m_bitsPerChar); + if (m_bitsPerChar <= 0 || m_bitsPerChar >= 8) + throw InvalidArgument("BaseN_Decoder: Log2Base must be between 1 and 7 inclusive"); + + m_bytePos = m_bitPos = 0; + + int i = m_bitsPerChar; + while (i%8 != 0) + i += m_bitsPerChar; + m_outputBlockSize = i/8; + + m_outBuf.New(m_outputBlockSize); +} + +size_t BaseN_Decoder::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + FILTER_BEGIN; + while (m_inputPosition < length) + { + unsigned int value; + value = m_lookup[begin[m_inputPosition++]]; + if (value >= 256) + continue; + + if (m_bytePos == 0 && m_bitPos == 0) + memset(m_outBuf, 0, m_outputBlockSize); + + { + int newBitPos = m_bitPos + m_bitsPerChar; + if (newBitPos <= 8) + m_outBuf[m_bytePos] |= value << (8-newBitPos); + else + { + m_outBuf[m_bytePos] |= value >> (newBitPos-8); + m_outBuf[m_bytePos+1] |= value << (16-newBitPos); + } + + m_bitPos = newBitPos; + while (m_bitPos >= 8) + { + m_bitPos -= 8; + ++m_bytePos; + } + } + + if (m_bytePos == m_outputBlockSize) + { + FILTER_OUTPUT(1, m_outBuf, m_outputBlockSize, 0); + m_bytePos = m_bitPos = 0; + } + } + if (messageEnd) + { + FILTER_OUTPUT(2, m_outBuf, m_bytePos, messageEnd); + m_bytePos = m_bitPos = 0; + } + FILTER_END_NO_MESSAGE_END; +} + +void BaseN_Decoder::InitializeDecodingLookupArray(int *lookup, const byte *alphabet, unsigned int base, bool caseInsensitive) +{ + std::fill(lookup, lookup+256, -1); + + for (unsigned int i=0; i<base; i++) + { + if (caseInsensitive && isalpha(alphabet[i])) + { + assert(lookup[toupper(alphabet[i])] == -1); + lookup[toupper(alphabet[i])] = i; + assert(lookup[tolower(alphabet[i])] == -1); + lookup[tolower(alphabet[i])] = i; + } + else + { + assert(lookup[alphabet[i]] == -1); + lookup[alphabet[i]] = i; + } + } +} + +void Grouper::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_groupSize = parameters.GetIntValueWithDefault(Name::GroupSize(), 0); + ConstByteArrayParameter separator, terminator; + if (m_groupSize) + parameters.GetRequiredParameter("Grouper", Name::Separator(), separator); + else + parameters.GetValue(Name::Separator(), separator); + parameters.GetValue(Name::Terminator(), terminator); + + m_separator.Assign(separator.begin(), separator.size()); + m_terminator.Assign(terminator.begin(), terminator.size()); + m_counter = 0; +} + +size_t Grouper::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + FILTER_BEGIN; + if (m_groupSize) + { + while (m_inputPosition < length) + { + if (m_counter == m_groupSize) + { + FILTER_OUTPUT(1, m_separator, m_separator.size(), 0); + m_counter = 0; + } + + size_t len; + FILTER_OUTPUT2(2, len = STDMIN(length-m_inputPosition, m_groupSize-m_counter), + begin+m_inputPosition, len, 0); + m_inputPosition += len; + m_counter += len; + } + } + else + FILTER_OUTPUT(3, begin, length, 0); + + if (messageEnd) + { + FILTER_OUTPUT(4, m_terminator, m_terminator.size(), messageEnd); + m_counter = 0; + } + FILTER_END_NO_MESSAGE_END +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/basecode.h b/CryptoPP/basecode.h new file mode 100644 index 000000000..cc44c4342 --- /dev/null +++ b/CryptoPP/basecode.h @@ -0,0 +1,86 @@ +#ifndef CRYPTOPP_BASECODE_H +#define CRYPTOPP_BASECODE_H + +#include "filters.h" +#include "algparam.h" +#include "argnames.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! base n encoder, where n is a power of 2 +class CRYPTOPP_DLL BaseN_Encoder : public Unflushable<Filter> +{ +public: + BaseN_Encoder(BufferedTransformation *attachment=NULL) + {Detach(attachment);} + + BaseN_Encoder(const byte *alphabet, int log2base, BufferedTransformation *attachment=NULL, int padding=-1) + { + Detach(attachment); + IsolatedInitialize(MakeParameters(Name::EncodingLookupArray(), alphabet) + (Name::Log2Base(), log2base) + (Name::Pad(), padding != -1) + (Name::PaddingByte(), byte(padding))); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + +private: + const byte *m_alphabet; + int m_padding, m_bitsPerChar, m_outputBlockSize; + int m_bytePos, m_bitPos; + SecByteBlock m_outBuf; +}; + +//! base n decoder, where n is a power of 2 +class CRYPTOPP_DLL BaseN_Decoder : public Unflushable<Filter> +{ +public: + BaseN_Decoder(BufferedTransformation *attachment=NULL) + {Detach(attachment);} + + BaseN_Decoder(const int *lookup, int log2base, BufferedTransformation *attachment=NULL) + { + Detach(attachment); + IsolatedInitialize(MakeParameters(Name::DecodingLookupArray(), lookup)(Name::Log2Base(), log2base)); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + + static void CRYPTOPP_API InitializeDecodingLookupArray(int *lookup, const byte *alphabet, unsigned int base, bool caseInsensitive); + +private: + const int *m_lookup; + int m_padding, m_bitsPerChar, m_outputBlockSize; + int m_bytePos, m_bitPos; + SecByteBlock m_outBuf; +}; + +//! filter that breaks input stream into groups of fixed size +class CRYPTOPP_DLL Grouper : public Bufferless<Filter> +{ +public: + Grouper(BufferedTransformation *attachment=NULL) + {Detach(attachment);} + + Grouper(int groupSize, const std::string &separator, const std::string &terminator, BufferedTransformation *attachment=NULL) + { + Detach(attachment); + IsolatedInitialize(MakeParameters(Name::GroupSize(), groupSize) + (Name::Separator(), ConstByteArrayParameter(separator)) + (Name::Terminator(), ConstByteArrayParameter(terminator))); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + +private: + SecByteBlock m_separator, m_terminator; + size_t m_groupSize, m_counter; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/bfinit.cpp b/CryptoPP/bfinit.cpp new file mode 100644 index 000000000..714570aaa --- /dev/null +++ b/CryptoPP/bfinit.cpp @@ -0,0 +1,277 @@ +#include "pch.h" +#include "blowfish.h" + +NAMESPACE_BEGIN(CryptoPP) + +const word32 Blowfish::Base::p_init[Blowfish::ROUNDS+2] = +{ + 608135816U, 2242054355U, 320440878U, 57701188U, + 2752067618U, 698298832U, 137296536U, 3964562569U, + 1160258022U, 953160567U, 3193202383U, 887688300U, + 3232508343U, 3380367581U, 1065670069U, 3041331479U, + 2450970073U, 2306472731U +} ; + +const word32 Blowfish::Base::s_init[4*256] = { + 3509652390U, 2564797868U, 805139163U, 3491422135U, + 3101798381U, 1780907670U, 3128725573U, 4046225305U, + 614570311U, 3012652279U, 134345442U, 2240740374U, + 1667834072U, 1901547113U, 2757295779U, 4103290238U, + 227898511U, 1921955416U, 1904987480U, 2182433518U, + 2069144605U, 3260701109U, 2620446009U, 720527379U, + 3318853667U, 677414384U, 3393288472U, 3101374703U, + 2390351024U, 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625454576U, + 3124240540U, 4148612726U, 2007998917U, 544563296U, + 2244738638U, 2330496472U, 2058025392U, 1291430526U, + 424198748U, 50039436U, 29584100U, 3605783033U, + 2429876329U, 2791104160U, 1057563949U, 3255363231U, + 3075367218U, 3463963227U, 1469046755U, 985887462U +}; + +NAMESPACE_END diff --git a/CryptoPP/blowfish.cpp b/CryptoPP/blowfish.cpp new file mode 100644 index 000000000..aaa637cca --- /dev/null +++ b/CryptoPP/blowfish.cpp @@ -0,0 +1,99 @@ +// blowfish.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "blowfish.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Blowfish::Base::UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + unsigned i, j=0, k; + word32 data, dspace[2] = {0, 0}; + + memcpy(pbox, p_init, sizeof(p_init)); + memcpy(sbox, s_init, sizeof(s_init)); + + // Xor key string into encryption key vector + for (i=0 ; i<ROUNDS+2 ; ++i) + { + data = 0 ; + for (k=0 ; k<4 ; ++k ) + data = (data << 8) | key_string[j++ % keylength]; + pbox[i] ^= data; + } + + crypt_block(dspace, pbox); + + for (i=0; i<ROUNDS; i+=2) + crypt_block(pbox+i, pbox+i+2); + + crypt_block(pbox+ROUNDS, sbox); + + for (i=0; i<4*256-2; i+=2) + crypt_block(sbox+i, sbox+i+2); + + if (!IsForwardTransformation()) + for (i=0; i<(ROUNDS+2)/2; i++) + std::swap(pbox[i], pbox[ROUNDS+1-i]); +} + +// this version is only used to make pbox and sbox +void Blowfish::Base::crypt_block(const word32 in[2], word32 out[2]) const +{ + word32 left = in[0]; + word32 right = in[1]; + + const word32 *const s=sbox; + const word32 *p=pbox; + + left ^= p[0]; + + for (unsigned i=0; i<ROUNDS/2; i++) + { + right ^= (((s[GETBYTE(left,3)] + s[256+GETBYTE(left,2)]) + ^ s[2*256+GETBYTE(left,1)]) + s[3*256+GETBYTE(left,0)]) + ^ p[2*i+1]; + + left ^= (((s[GETBYTE(right,3)] + s[256+GETBYTE(right,2)]) + ^ s[2*256+GETBYTE(right,1)]) + s[3*256+GETBYTE(right,0)]) + ^ p[2*i+2]; + } + + right ^= p[ROUNDS+1]; + + out[0] = right; + out[1] = left; +} + +void Blowfish::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + typedef BlockGetAndPut<word32, BigEndian> Block; + + word32 left, right; + Block::Get(inBlock)(left)(right); + + const word32 *const s=sbox; + const word32 *p=pbox; + + left ^= p[0]; + + for (unsigned i=0; i<ROUNDS/2; i++) + { + right ^= (((s[GETBYTE(left,3)] + s[256+GETBYTE(left,2)]) + ^ s[2*256+GETBYTE(left,1)]) + s[3*256+GETBYTE(left,0)]) + ^ p[2*i+1]; + + left ^= (((s[GETBYTE(right,3)] + s[256+GETBYTE(right,2)]) + ^ s[2*256+GETBYTE(right,1)]) + s[3*256+GETBYTE(right,0)]) + ^ p[2*i+2]; + } + + right ^= p[ROUNDS+1]; + + Block::Put(xorBlock, outBlock)(right)(left); +} + +NAMESPACE_END diff --git a/CryptoPP/blowfish.h b/CryptoPP/blowfish.h new file mode 100644 index 000000000..4707ce192 --- /dev/null +++ b/CryptoPP/blowfish.h @@ -0,0 +1,46 @@ +#ifndef CRYPTOPP_BLOWFISH_H +#define CRYPTOPP_BLOWFISH_H + +/** \file */ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Blowfish_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 56>, public FixedRounds<16> +{ + static const char *StaticAlgorithmName() {return "Blowfish";} +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#Blowfish">Blowfish</a> +class Blowfish : public Blowfish_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Blowfish_Info> + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + void UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs ¶ms); + + private: + void crypt_block(const word32 in[2], word32 out[2]) const; + + static const word32 p_init[ROUNDS+2]; + static const word32 s_init[4*256]; + + FixedSizeSecBlock<word32, ROUNDS+2> pbox; + FixedSizeSecBlock<word32, 4*256> sbox; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +typedef Blowfish::Encryption BlowfishEncryption; +typedef Blowfish::Decryption BlowfishDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/blumshub.cpp b/CryptoPP/blumshub.cpp new file mode 100644 index 000000000..be9b75829 --- /dev/null +++ b/CryptoPP/blumshub.cpp @@ -0,0 +1,63 @@ +// blumshub.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "blumshub.h" + +NAMESPACE_BEGIN(CryptoPP) + +PublicBlumBlumShub::PublicBlumBlumShub(const Integer &n, const Integer &seed) + : modn(n), + maxBits(BitPrecision(n.BitCount())-1) +{ + current = modn.Square(modn.Square(seed)); + bitsLeft = maxBits; +} + +unsigned int PublicBlumBlumShub::GenerateBit() +{ + if (bitsLeft==0) + { + current = modn.Square(current); + bitsLeft = maxBits; + } + + return current.GetBit(--bitsLeft); +} + +byte PublicBlumBlumShub::GenerateByte() +{ + byte b=0; + for (int i=0; i<8; i++) + b = (b << 1) | PublicBlumBlumShub::GenerateBit(); + return b; +} + +void PublicBlumBlumShub::GenerateBlock(byte *output, size_t size) +{ + while (size--) + *output++ = PublicBlumBlumShub::GenerateByte(); +} + +void PublicBlumBlumShub::ProcessData(byte *outString, const byte *inString, size_t length) +{ + while (length--) + *outString++ = *inString++ ^ PublicBlumBlumShub::GenerateByte(); +} + +BlumBlumShub::BlumBlumShub(const Integer &p, const Integer &q, const Integer &seed) + : PublicBlumBlumShub(p*q, seed), + p(p), q(q), + x0(modn.Square(seed)) +{ +} + +void BlumBlumShub::Seek(lword index) +{ + Integer i(Integer::POSITIVE, index); + i *= 8; + Integer e = a_exp_b_mod_c (2, i / maxBits + 1, (p-1)*(q-1)); + current = modn.Exponentiate(x0, e); + bitsLeft = maxBits - i % maxBits; +} + +NAMESPACE_END diff --git a/CryptoPP/blumshub.h b/CryptoPP/blumshub.h new file mode 100644 index 000000000..5e5074786 --- /dev/null +++ b/CryptoPP/blumshub.h @@ -0,0 +1,53 @@ +#ifndef CRYPTOPP_BLUMSHUB_H +#define CRYPTOPP_BLUMSHUB_H + +#include "modarith.h" + +NAMESPACE_BEGIN(CryptoPP) + +class BlumGoldwasserPublicKey; +class BlumGoldwasserPrivateKey; + +//! BlumBlumShub without factorization of the modulus +class PublicBlumBlumShub : public RandomNumberGenerator, + public StreamTransformation +{ +public: + PublicBlumBlumShub(const Integer &n, const Integer &seed); + + unsigned int GenerateBit(); + byte GenerateByte(); + void GenerateBlock(byte *output, size_t size); + void ProcessData(byte *outString, const byte *inString, size_t length); + + bool IsSelfInverting() const {return true;} + bool IsForwardTransformation() const {return true;} + +protected: + ModularArithmetic modn; + word maxBits, bitsLeft; + Integer current; + + friend class BlumGoldwasserPublicKey; + friend class BlumGoldwasserPrivateKey; +}; + +//! BlumBlumShub with factorization of the modulus +class BlumBlumShub : public PublicBlumBlumShub +{ +public: + // Make sure p and q are both primes congruent to 3 mod 4 and at least 512 bits long, + // seed is the secret key and should be about as big as p*q + BlumBlumShub(const Integer &p, const Integer &q, const Integer &seed); + + bool IsRandomAccess() const {return true;} + void Seek(lword index); + +protected: + const Integer p, q; + const Integer x0; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/camellia.cpp b/CryptoPP/camellia.cpp new file mode 100644 index 000000000..80b3e2805 --- /dev/null +++ b/CryptoPP/camellia.cpp @@ -0,0 +1,524 @@ +// camellia.cpp - by Kevin Springle, 2003 +// This code is hereby placed in the public domain. + +/* +Optimisations and defense against timing attacks added in Jan 2007 by Wei Dai. + +The first 2 rounds and the last round seem especially vulnerable to timing +attacks. The protection is similar to what was implemented for Rijndael. +See comments at top of rijndael.cpp for more details. +*/ + +#include "pch.h" + +#include "camellia.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +// round implementation that uses a small table for protection against timing attacks +#define SLOW_ROUND(lh, ll, rh, rl, kh, kl) { \ + word32 zr = ll ^ kl; \ + word32 zl = lh ^ kh; \ + zr= rotlFixed(s1[GETBYTE(zr, 3)], 1) | \ + (rotrFixed(s1[GETBYTE(zr, 2)], 1) << 24) | \ + (s1[rotlFixed(CRYPTOPP_GET_BYTE_AS_BYTE(zr, 1),1)] << 16) | \ + (s1[GETBYTE(zr, 0)] << 8); \ + zl= (s1[GETBYTE(zl, 3)] << 24) | \ + (rotlFixed(s1[GETBYTE(zl, 2)], 1) << 16) | \ + (rotrFixed(s1[GETBYTE(zl, 1)], 1) << 8) | \ + s1[rotlFixed(CRYPTOPP_GET_BYTE_AS_BYTE(zl, 0), 1)]; \ + zl ^= zr; \ + zr = zl ^ rotlFixed(zr, 8); \ + zl = zr ^ rotrFixed(zl, 8); \ + rh ^= rotlFixed(zr, 16); \ + rh ^= zl; \ + rl ^= rotlFixed(zl, 8); \ + } + +// normal round - same output as above but using larger tables for faster speed +#define ROUND(lh, ll, rh, rl, kh, kl) { \ + word32 th = lh ^ kh; \ + word32 tl = ll ^ kl; \ + word32 d = SP[0][GETBYTE(tl,0)] ^ SP[1][GETBYTE(tl,3)] ^ SP[2][GETBYTE(tl,2)] ^ SP[3][GETBYTE(tl,1)]; \ + word32 u = SP[0][GETBYTE(th,3)] ^ SP[1][GETBYTE(th,2)] ^ SP[2][GETBYTE(th,1)] ^ SP[3][GETBYTE(th,0)]; \ + d ^= u; \ + rh ^= d; \ + rl ^= d; \ + rl ^= rotrFixed(u, 8);} + +#define DOUBLE_ROUND(lh, ll, rh, rl, k0, k1, k2, k3) \ + ROUND(lh, ll, rh, rl, k0, k1) \ + ROUND(rh, rl, lh, ll, k2, k3) + +#ifdef IS_LITTLE_ENDIAN +#define EFI(i) (1-(i)) +#else +#define EFI(i) (i) +#endif + +void Camellia::Base::UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &) +{ + m_rounds = (keylen >= 24) ? 4 : 3; + unsigned int kslen = (8 * m_rounds + 2); + m_key.New(kslen*2); + word32 *ks32 = m_key.data(); + int m=0, a=0; + if (!IsForwardTransformation()) + m = -1, a = kslen-1; + + word32 kl0, kl1, kl2, kl3; + GetBlock<word32, BigEndian> getBlock(key); + getBlock(kl0)(kl1)(kl2)(kl3); + word32 k0=kl0, k1=kl1, k2=kl2, k3=kl3; + +#define CALC_ADDR2(base, i, j) ((byte *)(base)+8*(i)+4*(j)+((-16*(i))&m)) +#define CALC_ADDR(base, i) CALC_ADDR2(base, i, 0) + +#if 1 + word64 kwl, kwr; + ks32 += 2*a; +#define PREPARE_KS_ROUNDS \ + kwl = (word64(k0) << 32) | k1; \ + kwr = (word64(k2) << 32) | k3 +#define KS_ROUND_0(i) \ + *(word64*)CALC_ADDR(ks32, i+EFI(0)) = kwl; \ + *(word64*)CALC_ADDR(ks32, i+EFI(1)) = kwr +#define KS_ROUND(i, r, which) \ + if (which & (1<<int(r<64))) *(word64*)CALC_ADDR(ks32, i+EFI(r<64)) = (kwr << (r%64)) | (kwl >> (64 - (r%64))); \ + if (which & (1<<int(r>64))) *(word64*)CALC_ADDR(ks32, i+EFI(r>64)) = (kwl << (r%64)) | (kwr >> (64 - (r%64))) +#else + // SSE2 version is 30% faster on Intel Core 2. Doesn't seem worth the hassle of maintenance, but left here + // #if'd out in case someone needs it. + __m128i kw, kw2; + __m128i *ks128 = (__m128i *)ks32+a/2; + ks32 += 2*a; +#define PREPARE_KS_ROUNDS \ + kw = _mm_set_epi32(k0, k1, k2, k3); \ + if (m) kw2 = kw, kw = _mm_shuffle_epi32(kw, _MM_SHUFFLE(1, 0, 3, 2)); \ + else kw2 = _mm_shuffle_epi32(kw, _MM_SHUFFLE(1, 0, 3, 2)) +#define KS_ROUND_0(i) \ + _mm_store_si128((__m128i *)CALC_ADDR(ks128, i), kw) +#define KS_ROUND(i, r, which) { \ + __m128i temp; \ + if (r<64 && (which!=1 || m)) temp = _mm_or_si128(_mm_slli_epi64(kw, r%64), _mm_srli_epi64(kw2, 64-r%64)); \ + else temp = _mm_or_si128(_mm_slli_epi64(kw2, r%64), _mm_srli_epi64(kw, 64-r%64)); \ + if (which & 2) _mm_store_si128((__m128i *)CALC_ADDR(ks128, i), temp); \ + else _mm_storel_epi64((__m128i*)CALC_ADDR(ks32, i+EFI(0)), temp); \ + } +#endif + + if (keylen == 16) + { + // KL + PREPARE_KS_ROUNDS; + KS_ROUND_0(0); + KS_ROUND(4, 15, 3); + KS_ROUND(10, 45, 3); + KS_ROUND(12, 60, 2); + KS_ROUND(16, 77, 3); + KS_ROUND(18, 94, 3); + KS_ROUND(22, 111, 3); + + // KA + k0=kl0, k1=kl1, k2=kl2, k3=kl3; + DOUBLE_ROUND(k0, k1, k2, k3, 0xA09E667Ful, 0x3BCC908Bul, 0xB67AE858ul, 0x4CAA73B2ul); + k0^=kl0, k1^=kl1, k2^=kl2, k3^=kl3; + DOUBLE_ROUND(k0, k1, k2, k3, 0xC6EF372Ful, 0xE94F82BEul, 0x54FF53A5ul, 0xF1D36F1Cul); + + PREPARE_KS_ROUNDS; + KS_ROUND_0(2); + KS_ROUND(6, 15, 3); + KS_ROUND(8, 30, 3); + KS_ROUND(12, 45, 1); + KS_ROUND(14, 60, 3); + KS_ROUND(20, 94, 3); + KS_ROUND(24, 47, 3); + } + else + { + // KL + PREPARE_KS_ROUNDS; + KS_ROUND_0(0); + KS_ROUND(12, 45, 3); + KS_ROUND(16, 60, 3); + KS_ROUND(22, 77, 3); + KS_ROUND(30, 111, 3); + + // KR + word32 kr0, kr1, kr2, kr3; + GetBlock<word32, BigEndian>(key+16)(kr0)(kr1); + if (keylen == 24) + kr2 = ~kr0, kr3 = ~kr1; + else + GetBlock<word32, BigEndian>(key+24)(kr2)(kr3); + k0=kr0, k1=kr1, k2=kr2, k3=kr3; + + PREPARE_KS_ROUNDS; + KS_ROUND(4, 15, 3); + KS_ROUND(8, 30, 3); + KS_ROUND(18, 60, 3); + KS_ROUND(26, 94, 3); + + // KA + k0^=kl0, k1^=kl1, k2^=kl2, k3^=kl3; + DOUBLE_ROUND(k0, k1, k2, k3, 0xA09E667Ful, 0x3BCC908Bul, 0xB67AE858ul, 0x4CAA73B2ul); + k0^=kl0, k1^=kl1, k2^=kl2, k3^=kl3; + DOUBLE_ROUND(k0, k1, k2, k3, 0xC6EF372Ful, 0xE94F82BEul, 0x54FF53A5ul, 0xF1D36F1Cul); + + PREPARE_KS_ROUNDS; + KS_ROUND(6, 15, 3); + KS_ROUND(14, 45, 3); + KS_ROUND(24, 77, 3); + KS_ROUND(28, 94, 3); + + // KB + k0^=kr0, k1^=kr1, k2^=kr2, k3^=kr3; + DOUBLE_ROUND(k0, k1, k2, k3, 0x10E527FAul, 0xDE682D1Dul, 0xB05688C2ul, 0xB3E6C1FDul); + + PREPARE_KS_ROUNDS; + KS_ROUND_0(2); + KS_ROUND(10, 30, 3); + KS_ROUND(20, 60, 3); + KS_ROUND(32, 47, 3); + } +} + +void Camellia::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ +#define KS(i, j) ks[i*4 + EFI(j/2)*2 + EFI(j%2)] + +#define FL(klh, kll, krh, krl) \ + ll ^= rotlFixed(lh & klh, 1); \ + lh ^= (ll | kll); \ + rh ^= (rl | krl); \ + rl ^= rotlFixed(rh & krh, 1); + + word32 lh, ll, rh, rl; + typedef BlockGetAndPut<word32, BigEndian> Block; + Block::Get(inBlock)(lh)(ll)(rh)(rl); + const word32 *ks = m_key.data(); + lh ^= KS(0,0); + ll ^= KS(0,1); + rh ^= KS(0,2); + rl ^= KS(0,3); + + // timing attack countermeasure. see comments at top for more details + const int cacheLineSize = GetCacheLineSize(); + unsigned int i; + word32 u = 0; + for (i=0; i<256; i+=cacheLineSize) + u &= *(const word32 *)(s1+i); + u &= *(const word32 *)(s1+252); + lh |= u; ll |= u; + + SLOW_ROUND(lh, ll, rh, rl, KS(1,0), KS(1,1)) + SLOW_ROUND(rh, rl, lh, ll, KS(1,2), KS(1,3)) + for (i = m_rounds-1; i > 0; --i) + { + DOUBLE_ROUND(lh, ll, rh, rl, KS(2,0), KS(2,1), KS(2,2), KS(2,3)) + DOUBLE_ROUND(lh, ll, rh, rl, KS(3,0), KS(3,1), KS(3,2), KS(3,3)) + FL(KS(4,0), KS(4,1), KS(4,2), KS(4,3)); + DOUBLE_ROUND(lh, ll, rh, rl, KS(5,0), KS(5,1), KS(5,2), KS(5,3)) + ks += 16; + } + DOUBLE_ROUND(lh, ll, rh, rl, KS(2,0), KS(2,1), KS(2,2), KS(2,3)) + ROUND(lh, ll, rh, rl, KS(3,0), KS(3,1)) + SLOW_ROUND(rh, rl, lh, ll, KS(3,2), KS(3,3)) + lh ^= KS(4,0); + ll ^= KS(4,1); + rh ^= KS(4,2); + rl ^= KS(4,3); + Block::Put(xorBlock, outBlock)(rh)(rl)(lh)(ll); +} + +// The Camellia s-boxes + +const byte Camellia::Base::s1[256] = +{ + 112,130,44,236,179,39,192,229,228,133,87,53,234,12,174,65, + 35,239,107,147,69,25,165,33,237,14,79,78,29,101,146,189, + 134,184,175,143,124,235,31,206,62,48,220,95,94,197,11,26, + 166,225,57,202,213,71,93,61,217,1,90,214,81,86,108,77, + 139,13,154,102,251,204,176,45,116,18,43,32,240,177,132,153, + 223,76,203,194,52,126,118,5,109,183,169,49,209,23,4,215, + 20,88,58,97,222,27,17,28,50,15,156,22,83,24,242,34, + 254,68,207,178,195,181,122,145,36,8,232,168,96,252,105,80, + 170,208,160,125,161,137,98,151,84,91,30,149,224,255,100,210, + 16,196,0,72,163,247,117,219,138,3,230,218,9,63,221,148, + 135,92,131,2,205,74,144,51,115,103,246,243,157,127,191,226, + 82,155,216,38,200,55,198,59,129,150,111,75,19,190,99,46, + 233,121,167,140,159,110,188,142,41,245,249,182,47,253,180,89, + 120,152,6,106,231,70,113,186,212,37,171,66,136,162,141,250, + 114,7,185,85,248,238,172,10,54,73,42,104,60,56,241,164, + 64,40,211,123,187,201,67,193,21,227,173,244,119,199,128,158 +}; + +const word32 Camellia::Base::SP[4][256] = { + { + 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, + 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, + 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, + 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, + 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, + 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, + 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, + 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, + 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, + 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, + 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, + 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, + 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, + 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, + 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, + 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, + 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, + 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, + 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, + 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, + 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, + 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, + 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, + 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, + 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, + 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, + 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, + 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, + 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, + 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, + 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, + 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, + 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, + 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, + 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, + 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, + 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, + 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, + 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, + 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, + 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, + 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, + 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, + 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, + 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, + 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, + 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, + 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, + 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, + 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, + 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, + 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, + 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, + 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, + 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, + 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, + 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, + 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, + 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, + 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, + 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, + 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, + 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, + 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00 + }, + { + 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, + 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, + 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, + 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, + 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, + 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, + 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, + 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, + 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, + 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, + 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, + 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, + 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, + 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, + 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, + 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, + 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, + 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, + 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, + 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, + 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, + 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, + 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, + 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, + 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, + 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, + 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, + 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, + 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, + 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, + 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, + 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, + 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, + 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, + 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, + 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, + 0x00202020, 0x00898989, 0x00000000, 0x00909090, + 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, + 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, + 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, + 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, + 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, + 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, + 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, + 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, + 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, + 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, + 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, + 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, + 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, + 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, + 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, + 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, + 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, + 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, + 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, + 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, + 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, + 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, + 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, + 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, + 0x00777777, 0x00939393, 0x00868686, 0x00838383, + 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, + 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d + }, + { + 0x38003838, 0x41004141, 0x16001616, 0x76007676, + 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, + 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, + 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, + 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, + 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, + 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, + 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, + 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, + 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, + 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, + 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, + 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, + 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, + 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, + 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, + 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, + 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, + 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, + 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, + 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, + 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, + 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, + 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, + 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, + 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, + 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, + 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, + 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, + 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, + 0x12001212, 0x04000404, 0x74007474, 0x54005454, + 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, + 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, + 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, + 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, + 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, + 0x08000808, 0x62006262, 0x00000000, 0x24002424, + 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, + 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, + 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, + 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, + 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, + 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, + 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, + 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, + 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, + 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, + 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, + 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, + 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, + 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, + 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, + 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, + 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, + 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, + 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, + 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, + 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, + 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, + 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, + 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, + 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, + 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, + 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f + }, + { + 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, + 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, + 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, + 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, + 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, + 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, + 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, + 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, + 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, + 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, + 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, + 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, + 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, + 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, + 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, + 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, + 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, + 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, + 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, + 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, + 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, + 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, + 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, + 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, + 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, + 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, + 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, + 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, + 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, + 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, + 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, + 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, + 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, + 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, + 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, + 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, + 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, + 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, + 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, + 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, + 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, + 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, + 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, + 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, + 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, + 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, + 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, + 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, + 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, + 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, + 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, + 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, + 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, + 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, + 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, + 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, + 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, + 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, + 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, + 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, + 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, + 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, + 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, + 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e + }}; + +NAMESPACE_END diff --git a/CryptoPP/camellia.h b/CryptoPP/camellia.h new file mode 100644 index 000000000..d8700cb8c --- /dev/null +++ b/CryptoPP/camellia.h @@ -0,0 +1,47 @@ +#ifndef CRYPTOPP_CAMELLIA_H +#define CRYPTOPP_CAMELLIA_H + +#include "config.h" + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8> +{ + static const char *StaticAlgorithmName() {return "Camellia";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#Camellia">Camellia</a> +class Camellia : public Camellia_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info> + { + public: + void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + static const byte s1[256]; + static const word32 SP[4][256]; + + unsigned int m_rounds; + SecBlock<word32> m_key; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +typedef Camellia::Encryption CamelliaEncryption; +typedef Camellia::Decryption CamelliaDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cast.cpp b/CryptoPP/cast.cpp new file mode 100644 index 000000000..ef0a5efdb --- /dev/null +++ b/CryptoPP/cast.cpp @@ -0,0 +1,296 @@ +// cast.cpp - written and placed in the public domain by Wei Dai and Leonard Janke +// based on Steve Reid's public domain cast.c + +#include "pch.h" +#include "cast.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +/* Macros to access 8-bit bytes out of a 32-bit word */ +#define U8a(x) GETBYTE(x,3) +#define U8b(x) GETBYTE(x,2) +#define U8c(x) GETBYTE(x,1) +#define U8d(x) GETBYTE(x,0) + +/* CAST uses three different round functions */ +#define f1(l, r, km, kr) \ + t = rotlVariable(km + r, kr); \ + l ^= ((S[0][U8a(t)] ^ S[1][U8b(t)]) - \ + S[2][U8c(t)]) + S[3][U8d(t)]; +#define f2(l, r, km, kr) \ + t = rotlVariable(km ^ r, kr); \ + l ^= ((S[0][U8a(t)] - S[1][U8b(t)]) + \ + S[2][U8c(t)]) ^ S[3][U8d(t)]; +#define f3(l, r, km, kr) \ + t = rotlVariable(km - r, kr); \ + l ^= ((S[0][U8a(t)] + S[1][U8b(t)]) ^ \ + S[2][U8c(t)]) - S[3][U8d(t)]; + +#define F1(l, r, i, j) f1(l, r, K[i], K[i+j]) +#define F2(l, r, i, j) f2(l, r, K[i], K[i+j]) +#define F3(l, r, i, j) f3(l, r, K[i], K[i+j]) + +typedef BlockGetAndPut<word32, BigEndian> Block; + +void CAST128::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 t, l, r; + + /* Get inblock into l,r */ + Block::Get(inBlock)(l)(r); + /* Do the work */ + F1(l, r, 0, 16); + F2(r, l, 1, 16); + F3(l, r, 2, 16); + F1(r, l, 3, 16); + F2(l, r, 4, 16); + F3(r, l, 5, 16); + F1(l, r, 6, 16); + F2(r, l, 7, 16); + F3(l, r, 8, 16); + F1(r, l, 9, 16); + F2(l, r, 10, 16); + F3(r, l, 11, 16); + /* Only do full 16 rounds if key length > 80 bits */ + if (!reduced) { + F1(l, r, 12, 16); + F2(r, l, 13, 16); + F3(l, r, 14, 16); + F1(r, l, 15, 16); + } + /* Put l,r into outblock */ + Block::Put(xorBlock, outBlock)(r)(l); +} + +void CAST128::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 t, l, r; + + /* Get inblock into l,r */ + Block::Get(inBlock)(r)(l); + /* Only do full 16 rounds if key length > 80 bits */ + if (!reduced) { + F1(r, l, 15, 16); + F3(l, r, 14, 16); + F2(r, l, 13, 16); + F1(l, r, 12, 16); + } + F3(r, l, 11, 16); + F2(l, r, 10, 16); + F1(r, l, 9, 16); + F3(l, r, 8, 16); + F2(r, l, 7, 16); + F1(l, r, 6, 16); + F3(r, l, 5, 16); + F2(l, r, 4, 16); + F1(r, l, 3, 16); + F3(l, r, 2, 16); + F2(r, l, 1, 16); + F1(l, r, 0, 16); + /* Put l,r into outblock */ + Block::Put(xorBlock, outBlock)(l)(r); + /* Wipe clean */ + t = l = r = 0; +} + +void CAST128::Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + reduced = (keylength <= 10); + + word32 X[4], Z[4]; + GetUserKey(BIG_ENDIAN_ORDER, X, 4, userKey, keylength); + +#define x(i) GETBYTE(X[i/4], 3-i%4) +#define z(i) GETBYTE(Z[i/4], 3-i%4) + + unsigned int i; + for (i=0; i<=16; i+=16) + { + // this part is copied directly from RFC 2144 (with some search and replace) by Wei Dai + Z[0] = X[0] ^ S[4][x(0xD)] ^ S[5][x(0xF)] ^ S[6][x(0xC)] ^ S[7][x(0xE)] ^ S[6][x(0x8)]; + Z[1] = X[2] ^ S[4][z(0x0)] ^ S[5][z(0x2)] ^ S[6][z(0x1)] ^ S[7][z(0x3)] ^ S[7][x(0xA)]; + Z[2] = X[3] ^ S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[4][x(0x9)]; + Z[3] = X[1] ^ S[4][z(0xA)] ^ S[5][z(0x9)] ^ S[6][z(0xB)] ^ S[7][z(0x8)] ^ S[5][x(0xB)]; + K[i+0] = S[4][z(0x8)] ^ S[5][z(0x9)] ^ S[6][z(0x7)] ^ S[7][z(0x6)] ^ S[4][z(0x2)]; + K[i+1] = S[4][z(0xA)] ^ S[5][z(0xB)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[5][z(0x6)]; + K[i+2] = S[4][z(0xC)] ^ S[5][z(0xD)] ^ S[6][z(0x3)] ^ S[7][z(0x2)] ^ S[6][z(0x9)]; + K[i+3] = S[4][z(0xE)] ^ S[5][z(0xF)] ^ S[6][z(0x1)] ^ S[7][z(0x0)] ^ S[7][z(0xC)]; + X[0] = Z[2] ^ S[4][z(0x5)] ^ S[5][z(0x7)] ^ S[6][z(0x4)] ^ S[7][z(0x6)] ^ S[6][z(0x0)]; + X[1] = Z[0] ^ S[4][x(0x0)] ^ S[5][x(0x2)] ^ S[6][x(0x1)] ^ S[7][x(0x3)] ^ S[7][z(0x2)]; + X[2] = Z[1] ^ S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[4][z(0x1)]; + X[3] = Z[3] ^ S[4][x(0xA)] ^ S[5][x(0x9)] ^ S[6][x(0xB)] ^ S[7][x(0x8)] ^ S[5][z(0x3)]; + K[i+4] = S[4][x(0x3)] ^ S[5][x(0x2)] ^ S[6][x(0xC)] ^ S[7][x(0xD)] ^ S[4][x(0x8)]; + K[i+5] = S[4][x(0x1)] ^ S[5][x(0x0)] ^ S[6][x(0xE)] ^ S[7][x(0xF)] ^ S[5][x(0xD)]; + K[i+6] = S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x8)] ^ S[7][x(0x9)] ^ S[6][x(0x3)]; + K[i+7] = S[4][x(0x5)] ^ S[5][x(0x4)] ^ S[6][x(0xA)] ^ S[7][x(0xB)] ^ S[7][x(0x7)]; + Z[0] = X[0] ^ S[4][x(0xD)] ^ S[5][x(0xF)] ^ S[6][x(0xC)] ^ S[7][x(0xE)] ^ S[6][x(0x8)]; + Z[1] = X[2] ^ S[4][z(0x0)] ^ S[5][z(0x2)] ^ S[6][z(0x1)] ^ S[7][z(0x3)] ^ S[7][x(0xA)]; + Z[2] = X[3] ^ S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[4][x(0x9)]; + Z[3] = X[1] ^ S[4][z(0xA)] ^ S[5][z(0x9)] ^ S[6][z(0xB)] ^ S[7][z(0x8)] ^ S[5][x(0xB)]; + K[i+8] = S[4][z(0x3)] ^ S[5][z(0x2)] ^ S[6][z(0xC)] ^ S[7][z(0xD)] ^ S[4][z(0x9)]; + K[i+9] = S[4][z(0x1)] ^ S[5][z(0x0)] ^ S[6][z(0xE)] ^ S[7][z(0xF)] ^ S[5][z(0xC)]; + K[i+10] = S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x8)] ^ S[7][z(0x9)] ^ S[6][z(0x2)]; + K[i+11] = S[4][z(0x5)] ^ S[5][z(0x4)] ^ S[6][z(0xA)] ^ S[7][z(0xB)] ^ S[7][z(0x6)]; + X[0] = Z[2] ^ S[4][z(0x5)] ^ S[5][z(0x7)] ^ S[6][z(0x4)] ^ S[7][z(0x6)] ^ S[6][z(0x0)]; + X[1] = Z[0] ^ S[4][x(0x0)] ^ S[5][x(0x2)] ^ S[6][x(0x1)] ^ S[7][x(0x3)] ^ S[7][z(0x2)]; + X[2] = Z[1] ^ S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[4][z(0x1)]; + X[3] = Z[3] ^ S[4][x(0xA)] ^ S[5][x(0x9)] ^ S[6][x(0xB)] ^ S[7][x(0x8)] ^ S[5][z(0x3)]; + K[i+12] = S[4][x(0x8)] ^ S[5][x(0x9)] ^ S[6][x(0x7)] ^ S[7][x(0x6)] ^ S[4][x(0x3)]; + K[i+13] = S[4][x(0xA)] ^ S[5][x(0xB)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[5][x(0x7)]; + K[i+14] = S[4][x(0xC)] ^ S[5][x(0xD)] ^ S[6][x(0x3)] ^ S[7][x(0x2)] ^ S[6][x(0x8)]; + K[i+15] = S[4][x(0xE)] ^ S[5][x(0xF)] ^ S[6][x(0x1)] ^ S[7][x(0x0)] ^ S[7][x(0xD)]; + } + + for (i=16; i<32; i++) + K[i] &= 0x1f; +} + +// The following CAST-256 implementation was contributed by Leonard Janke + +const word32 CAST256::Base::t_m[8][24]={ +{ 0x5a827999, 0xd151d6a1, 0x482133a9, 0xbef090b1, 0x35bfedb9, 0xac8f4ac1, + 0x235ea7c9, 0x9a2e04d1, 0x10fd61d9, 0x87ccbee1, 0xfe9c1be9, 0x756b78f1, + 0xec3ad5f9, 0x630a3301, 0xd9d99009, 0x50a8ed11, 0xc7784a19, 0x3e47a721, + 0xb5170429, 0x2be66131, 0xa2b5be39, 0x19851b41, 0x90547849, 0x0723d551}, +{ 0xc95c653a, 0x402bc242, 0xb6fb1f4a, 0x2dca7c52, 0xa499d95a, 0x1b693662, + 0x9238936a, 0x0907f072, 0x7fd74d7a, 0xf6a6aa82, 0x6d76078a, 0xe4456492, + 0x5b14c19a, 0xd1e41ea2, 0x48b37baa, 0xbf82d8b2, 0x365235ba, 0xad2192c2, + 0x23f0efca, 0x9ac04cd2, 0x118fa9da, 0x885f06e2, 0xff2e63ea, 0x75fdc0f2}, +{ 0x383650db, 0xaf05ade3, 0x25d50aeb, 0x9ca467f3, 0x1373c4fb, 0x8a432203, + 0x01127f0b, 0x77e1dc13, 0xeeb1391b, 0x65809623, 0xdc4ff32b, 0x531f5033, + 0xc9eead3b, 0x40be0a43, 0xb78d674b, 0x2e5cc453, 0xa52c215b, 0x1bfb7e63, + 0x92cadb6b, 0x099a3873, 0x8069957b, 0xf738f283, 0x6e084f8b, 0xe4d7ac93}, +{ 0xa7103c7c, 0x1ddf9984, 0x94aef68c, 0x0b7e5394, 0x824db09c, 0xf91d0da4, + 0x6fec6aac, 0xe6bbc7b4, 0x5d8b24bc, 0xd45a81c4, 0x4b29decc, 0xc1f93bd4, + 0x38c898dc, 0xaf97f5e4, 0x266752ec, 0x9d36aff4, 0x14060cfc, 0x8ad56a04, + 0x01a4c70c, 0x78742414, 0xef43811c, 0x6612de24, 0xdce23b2c, 0x53b19834}, +{ 0x15ea281d, 0x8cb98525, 0x0388e22d, 0x7a583f35, 0xf1279c3d, 0x67f6f945, + 0xdec6564d, 0x5595b355, 0xcc65105d, 0x43346d65, 0xba03ca6d, 0x30d32775, + 0xa7a2847d, 0x1e71e185, 0x95413e8d, 0x0c109b95, 0x82dff89d, 0xf9af55a5, + 0x707eb2ad, 0xe74e0fb5, 0x5e1d6cbd, 0xd4ecc9c5, 0x4bbc26cd, 0xc28b83d5}, +{ 0x84c413be, 0xfb9370c6, 0x7262cdce, 0xe9322ad6, 0x600187de, 0xd6d0e4e6, + 0x4da041ee, 0xc46f9ef6, 0x3b3efbfe, 0xb20e5906, 0x28ddb60e, 0x9fad1316, + 0x167c701e, 0x8d4bcd26, 0x041b2a2e, 0x7aea8736, 0xf1b9e43e, 0x68894146, + 0xdf589e4e, 0x5627fb56, 0xccf7585e, 0x43c6b566, 0xba96126e, 0x31656f76}, +{ 0xf39dff5f, 0x6a6d5c67, 0xe13cb96f, 0x580c1677, 0xcedb737f, 0x45aad087, + 0xbc7a2d8f, 0x33498a97, 0xaa18e79f, 0x20e844a7, 0x97b7a1af, 0x0e86feb7, + 0x85565bbf, 0xfc25b8c7, 0x72f515cf, 0xe9c472d7, 0x6093cfdf, 0xd7632ce7, + 0x4e3289ef, 0xc501e6f7, 0x3bd143ff, 0xb2a0a107, 0x296ffe0f, 0xa03f5b17}, +{ 0x6277eb00, 0xd9474808, 0x5016a510, 0xc6e60218, 0x3db55f20, 0xb484bc28, + 0x2b541930, 0xa2237638, 0x18f2d340, 0x8fc23048, 0x06918d50, 0x7d60ea58, + 0xf4304760, 0x6affa468, 0xe1cf0170, 0x589e5e78, 0xcf6dbb80, 0x463d1888, + 0xbd0c7590, 0x33dbd298, 0xaaab2fa0, 0x217a8ca8, 0x9849e9b0, 0x0f1946b8} +}; + +const unsigned int CAST256::Base::t_r[8][24]={ + {19, 27, 3, 11, 19, 27, 3, 11, 19, 27, 3, 11, 19, 27, 3, 11, 19, 27, 3, 11, 19, 27, 3, 11}, + {4, 12, 20, 28, 4, 12, 20, 28, 4, 12, 20, 28, 4, 12, 20, 28, 4, 12, 20, 28, 4, 12, 20, 28}, + {21, 29, 5, 13, 21, 29, 5, 13, 21, 29, 5, 13, 21, 29, 5, 13, 21, 29, 5, 13, 21, 29, 5, 13}, + {6, 14, 22, 30, 6, 14, 22, 30, 6, 14, 22, 30, 6, 14, 22, 30, 6, 14, 22, 30, 6, 14, 22, 30}, + {23, 31, 7, 15, 23, 31, 7, 15, 23, 31, 7, 15, 23, 31, 7, 15, 23, 31, 7, 15, 23, 31, 7, 15}, + {8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24, 0, 8, 16, 24, 0}, + {25, 1, 9, 17, 25, 1, 9, 17, 25, 1, 9, 17, 25, 1, 9, 17, 25, 1, 9, 17, 25, 1, 9, 17}, + {10, 18, 26, 2, 10, 18, 26, 2, 10, 18, 26, 2, 10, 18, 26, 2, 10, 18, 26, 2, 10, 18, 26, 2} +}; + +#define Q(i) \ + F1(block[2],block[3],8*i+4,-4); \ + F2(block[1],block[2],8*i+5,-4); \ + F3(block[0],block[1],8*i+6,-4); \ + F1(block[3],block[0],8*i+7,-4); + +#define QBar(i) \ + F1(block[3],block[0],8*i+7,-4); \ + F3(block[0],block[1],8*i+6,-4); \ + F2(block[1],block[2],8*i+5,-4); \ + F1(block[2],block[3],8*i+4,-4); + +/* CAST256's encrypt/decrypt functions are identical except for the order that +the keys are used */ + +void CAST256::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 t, block[4]; + Block::Get(inBlock)(block[0])(block[1])(block[2])(block[3]); + + // Perform 6 forward quad rounds + Q(0); + Q(1); + Q(2); + Q(3); + Q(4); + Q(5); + + // Perform 6 reverse quad rounds + QBar(6); + QBar(7); + QBar(8); + QBar(9); + QBar(10); + QBar(11); + + Block::Put(xorBlock, outBlock)(block[0])(block[1])(block[2])(block[3]); +} + +/* Set up a CAST-256 key */ + +void CAST256::Base::Omega(int i, word32 kappa[8]) +{ + word32 t; + + f1(kappa[6],kappa[7],t_m[0][i],t_r[0][i]); + f2(kappa[5],kappa[6],t_m[1][i],t_r[1][i]); + f3(kappa[4],kappa[5],t_m[2][i],t_r[2][i]); + f1(kappa[3],kappa[4],t_m[3][i],t_r[3][i]); + f2(kappa[2],kappa[3],t_m[4][i],t_r[4][i]); + f3(kappa[1],kappa[2],t_m[5][i],t_r[5][i]); + f1(kappa[0],kappa[1],t_m[6][i],t_r[6][i]); + f2(kappa[7],kappa[0],t_m[7][i],t_r[7][i]); +} + +void CAST256::Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + word32 kappa[8]; + GetUserKey(BIG_ENDIAN_ORDER, kappa, 8, userKey, keylength); + + for(int i=0; i<12; ++i) + { + Omega(2*i,kappa); + Omega(2*i+1,kappa); + + K[8*i]=kappa[0] & 31; + K[8*i+1]=kappa[2] & 31; + K[8*i+2]=kappa[4] & 31; + K[8*i+3]=kappa[6] & 31; + K[8*i+4]=kappa[7]; + K[8*i+5]=kappa[5]; + K[8*i+6]=kappa[3]; + K[8*i+7]=kappa[1]; + } + + if (!IsForwardTransformation()) + { + for(int j=0; j<6; ++j) + { + for(int i=0; i<4; ++i) + { + int i1=8*j+i; + int i2=8*(11-j)+i; + + assert(i1<i2); + + std::swap(K[i1],K[i2]); + std::swap(K[i1+4],K[i2+4]); + } + } + } + + memset(kappa, 0, sizeof(kappa)); +} + +NAMESPACE_END diff --git a/CryptoPP/cast.h b/CryptoPP/cast.h new file mode 100644 index 000000000..98bb5d6b1 --- /dev/null +++ b/CryptoPP/cast.h @@ -0,0 +1,91 @@ +#ifndef CRYPTOPP_CAST_H +#define CRYPTOPP_CAST_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +class CAST +{ +protected: + static const word32 S[8][256]; +}; + +//! algorithm info +struct CAST128_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 5, 16> +{ + static const char *StaticAlgorithmName() {return "CAST-128";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#CAST-128">CAST-128</a> +class CAST128 : public CAST128_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST128_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + bool reduced; + FixedSizeSecBlock<word32, 32> K; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +//! algorithm info +struct CAST256_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32> +{ + static const char *StaticAlgorithmName() {return "CAST-256";} +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#CAST-256">CAST-256</a> +class CAST256 : public CAST256_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public CAST, public BlockCipherImpl<CAST256_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + static const word32 t_m[8][24]; + static const unsigned int t_r[8][24]; + + static void Omega(int i, word32 kappa[8]); + + FixedSizeSecBlock<word32, 8*12> K; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +typedef CAST128::Encryption CAST128Encryption; +typedef CAST128::Decryption CAST128Decryption; + +typedef CAST256::Encryption CAST256Encryption; +typedef CAST256::Decryption CAST256Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/casts.cpp b/CryptoPP/casts.cpp new file mode 100644 index 000000000..16fa2b13f --- /dev/null +++ b/CryptoPP/casts.cpp @@ -0,0 +1,545 @@ +#include "pch.h" +#include "cast.h" + +NAMESPACE_BEGIN(CryptoPP) + +// CAST S-boxes + +const word32 CAST::S[8][256] = { +{ + 0x30FB40D4UL, 0x9FA0FF0BUL, 0x6BECCD2FUL, 0x3F258C7AUL, + 0x1E213F2FUL, 0x9C004DD3UL, 0x6003E540UL, 0xCF9FC949UL, + 0xBFD4AF27UL, 0x88BBBDB5UL, 0xE2034090UL, 0x98D09675UL, + 0x6E63A0E0UL, 0x15C361D2UL, 0xC2E7661DUL, 0x22D4FF8EUL, + 0x28683B6FUL, 0xC07FD059UL, 0xFF2379C8UL, 0x775F50E2UL, + 0x43C340D3UL, 0xDF2F8656UL, 0x887CA41AUL, 0xA2D2BD2DUL, + 0xA1C9E0D6UL, 0x346C4819UL, 0x61B76D87UL, 0x22540F2FUL, + 0x2ABE32E1UL, 0xAA54166BUL, 0x22568E3AUL, 0xA2D341D0UL, + 0x66DB40C8UL, 0xA784392FUL, 0x004DFF2FUL, 0x2DB9D2DEUL, + 0x97943FACUL, 0x4A97C1D8UL, 0x527644B7UL, 0xB5F437A7UL, + 0xB82CBAEFUL, 0xD751D159UL, 0x6FF7F0EDUL, 0x5A097A1FUL, + 0x827B68D0UL, 0x90ECF52EUL, 0x22B0C054UL, 0xBC8E5935UL, + 0x4B6D2F7FUL, 0x50BB64A2UL, 0xD2664910UL, 0xBEE5812DUL, + 0xB7332290UL, 0xE93B159FUL, 0xB48EE411UL, 0x4BFF345DUL, + 0xFD45C240UL, 0xAD31973FUL, 0xC4F6D02EUL, 0x55FC8165UL, + 0xD5B1CAADUL, 0xA1AC2DAEUL, 0xA2D4B76DUL, 0xC19B0C50UL, + 0x882240F2UL, 0x0C6E4F38UL, 0xA4E4BFD7UL, 0x4F5BA272UL, + 0x564C1D2FUL, 0xC59C5319UL, 0xB949E354UL, 0xB04669FEUL, + 0xB1B6AB8AUL, 0xC71358DDUL, 0x6385C545UL, 0x110F935DUL, + 0x57538AD5UL, 0x6A390493UL, 0xE63D37E0UL, 0x2A54F6B3UL, + 0x3A787D5FUL, 0x6276A0B5UL, 0x19A6FCDFUL, 0x7A42206AUL, + 0x29F9D4D5UL, 0xF61B1891UL, 0xBB72275EUL, 0xAA508167UL, + 0x38901091UL, 0xC6B505EBUL, 0x84C7CB8CUL, 0x2AD75A0FUL, + 0x874A1427UL, 0xA2D1936BUL, 0x2AD286AFUL, 0xAA56D291UL, + 0xD7894360UL, 0x425C750DUL, 0x93B39E26UL, 0x187184C9UL, + 0x6C00B32DUL, 0x73E2BB14UL, 0xA0BEBC3CUL, 0x54623779UL, + 0x64459EABUL, 0x3F328B82UL, 0x7718CF82UL, 0x59A2CEA6UL, + 0x04EE002EUL, 0x89FE78E6UL, 0x3FAB0950UL, 0x325FF6C2UL, + 0x81383F05UL, 0x6963C5C8UL, 0x76CB5AD6UL, 0xD49974C9UL, + 0xCA180DCFUL, 0x380782D5UL, 0xC7FA5CF6UL, 0x8AC31511UL, + 0x35E79E13UL, 0x47DA91D0UL, 0xF40F9086UL, 0xA7E2419EUL, + 0x31366241UL, 0x051EF495UL, 0xAA573B04UL, 0x4A805D8DUL, + 0x548300D0UL, 0x00322A3CUL, 0xBF64CDDFUL, 0xBA57A68EUL, + 0x75C6372BUL, 0x50AFD341UL, 0xA7C13275UL, 0x915A0BF5UL, + 0x6B54BFABUL, 0x2B0B1426UL, 0xAB4CC9D7UL, 0x449CCD82UL, + 0xF7FBF265UL, 0xAB85C5F3UL, 0x1B55DB94UL, 0xAAD4E324UL, + 0xCFA4BD3FUL, 0x2DEAA3E2UL, 0x9E204D02UL, 0xC8BD25ACUL, + 0xEADF55B3UL, 0xD5BD9E98UL, 0xE31231B2UL, 0x2AD5AD6CUL, + 0x954329DEUL, 0xADBE4528UL, 0xD8710F69UL, 0xAA51C90FUL, + 0xAA786BF6UL, 0x22513F1EUL, 0xAA51A79BUL, 0x2AD344CCUL, + 0x7B5A41F0UL, 0xD37CFBADUL, 0x1B069505UL, 0x41ECE491UL, + 0xB4C332E6UL, 0x032268D4UL, 0xC9600ACCUL, 0xCE387E6DUL, + 0xBF6BB16CUL, 0x6A70FB78UL, 0x0D03D9C9UL, 0xD4DF39DEUL, + 0xE01063DAUL, 0x4736F464UL, 0x5AD328D8UL, 0xB347CC96UL, + 0x75BB0FC3UL, 0x98511BFBUL, 0x4FFBCC35UL, 0xB58BCF6AUL, + 0xE11F0ABCUL, 0xBFC5FE4AUL, 0xA70AEC10UL, 0xAC39570AUL, + 0x3F04442FUL, 0x6188B153UL, 0xE0397A2EUL, 0x5727CB79UL, + 0x9CEB418FUL, 0x1CACD68DUL, 0x2AD37C96UL, 0x0175CB9DUL, + 0xC69DFF09UL, 0xC75B65F0UL, 0xD9DB40D8UL, 0xEC0E7779UL, + 0x4744EAD4UL, 0xB11C3274UL, 0xDD24CB9EUL, 0x7E1C54BDUL, + 0xF01144F9UL, 0xD2240EB1UL, 0x9675B3FDUL, 0xA3AC3755UL, + 0xD47C27AFUL, 0x51C85F4DUL, 0x56907596UL, 0xA5BB15E6UL, + 0x580304F0UL, 0xCA042CF1UL, 0x011A37EAUL, 0x8DBFAADBUL, + 0x35BA3E4AUL, 0x3526FFA0UL, 0xC37B4D09UL, 0xBC306ED9UL, + 0x98A52666UL, 0x5648F725UL, 0xFF5E569DUL, 0x0CED63D0UL, + 0x7C63B2CFUL, 0x700B45E1UL, 0xD5EA50F1UL, 0x85A92872UL, + 0xAF1FBDA7UL, 0xD4234870UL, 0xA7870BF3UL, 0x2D3B4D79UL, + 0x42E04198UL, 0x0CD0EDE7UL, 0x26470DB8UL, 0xF881814CUL, + 0x474D6AD7UL, 0x7C0C5E5CUL, 0xD1231959UL, 0x381B7298UL, + 0xF5D2F4DBUL, 0xAB838653UL, 0x6E2F1E23UL, 0x83719C9EUL, + 0xBD91E046UL, 0x9A56456EUL, 0xDC39200CUL, 0x20C8C571UL, + 0x962BDA1CUL, 0xE1E696FFUL, 0xB141AB08UL, 0x7CCA89B9UL, + 0x1A69E783UL, 0x02CC4843UL, 0xA2F7C579UL, 0x429EF47DUL, + 0x427B169CUL, 0x5AC9F049UL, 0xDD8F0F00UL, 0x5C8165BFUL +}, + +{ + 0x1F201094UL, 0xEF0BA75BUL, 0x69E3CF7EUL, 0x393F4380UL, + 0xFE61CF7AUL, 0xEEC5207AUL, 0x55889C94UL, 0x72FC0651UL, + 0xADA7EF79UL, 0x4E1D7235UL, 0xD55A63CEUL, 0xDE0436BAUL, + 0x99C430EFUL, 0x5F0C0794UL, 0x18DCDB7DUL, 0xA1D6EFF3UL, + 0xA0B52F7BUL, 0x59E83605UL, 0xEE15B094UL, 0xE9FFD909UL, + 0xDC440086UL, 0xEF944459UL, 0xBA83CCB3UL, 0xE0C3CDFBUL, + 0xD1DA4181UL, 0x3B092AB1UL, 0xF997F1C1UL, 0xA5E6CF7BUL, + 0x01420DDBUL, 0xE4E7EF5BUL, 0x25A1FF41UL, 0xE180F806UL, + 0x1FC41080UL, 0x179BEE7AUL, 0xD37AC6A9UL, 0xFE5830A4UL, + 0x98DE8B7FUL, 0x77E83F4EUL, 0x79929269UL, 0x24FA9F7BUL, + 0xE113C85BUL, 0xACC40083UL, 0xD7503525UL, 0xF7EA615FUL, + 0x62143154UL, 0x0D554B63UL, 0x5D681121UL, 0xC866C359UL, + 0x3D63CF73UL, 0xCEE234C0UL, 0xD4D87E87UL, 0x5C672B21UL, + 0x071F6181UL, 0x39F7627FUL, 0x361E3084UL, 0xE4EB573BUL, + 0x602F64A4UL, 0xD63ACD9CUL, 0x1BBC4635UL, 0x9E81032DUL, + 0x2701F50CUL, 0x99847AB4UL, 0xA0E3DF79UL, 0xBA6CF38CUL, + 0x10843094UL, 0x2537A95EUL, 0xF46F6FFEUL, 0xA1FF3B1FUL, + 0x208CFB6AUL, 0x8F458C74UL, 0xD9E0A227UL, 0x4EC73A34UL, + 0xFC884F69UL, 0x3E4DE8DFUL, 0xEF0E0088UL, 0x3559648DUL, + 0x8A45388CUL, 0x1D804366UL, 0x721D9BFDUL, 0xA58684BBUL, + 0xE8256333UL, 0x844E8212UL, 0x128D8098UL, 0xFED33FB4UL, + 0xCE280AE1UL, 0x27E19BA5UL, 0xD5A6C252UL, 0xE49754BDUL, + 0xC5D655DDUL, 0xEB667064UL, 0x77840B4DUL, 0xA1B6A801UL, + 0x84DB26A9UL, 0xE0B56714UL, 0x21F043B7UL, 0xE5D05860UL, + 0x54F03084UL, 0x066FF472UL, 0xA31AA153UL, 0xDADC4755UL, + 0xB5625DBFUL, 0x68561BE6UL, 0x83CA6B94UL, 0x2D6ED23BUL, + 0xECCF01DBUL, 0xA6D3D0BAUL, 0xB6803D5CUL, 0xAF77A709UL, + 0x33B4A34CUL, 0x397BC8D6UL, 0x5EE22B95UL, 0x5F0E5304UL, + 0x81ED6F61UL, 0x20E74364UL, 0xB45E1378UL, 0xDE18639BUL, + 0x881CA122UL, 0xB96726D1UL, 0x8049A7E8UL, 0x22B7DA7BUL, + 0x5E552D25UL, 0x5272D237UL, 0x79D2951CUL, 0xC60D894CUL, + 0x488CB402UL, 0x1BA4FE5BUL, 0xA4B09F6BUL, 0x1CA815CFUL, + 0xA20C3005UL, 0x8871DF63UL, 0xB9DE2FCBUL, 0x0CC6C9E9UL, + 0x0BEEFF53UL, 0xE3214517UL, 0xB4542835UL, 0x9F63293CUL, + 0xEE41E729UL, 0x6E1D2D7CUL, 0x50045286UL, 0x1E6685F3UL, + 0xF33401C6UL, 0x30A22C95UL, 0x31A70850UL, 0x60930F13UL, + 0x73F98417UL, 0xA1269859UL, 0xEC645C44UL, 0x52C877A9UL, + 0xCDFF33A6UL, 0xA02B1741UL, 0x7CBAD9A2UL, 0x2180036FUL, + 0x50D99C08UL, 0xCB3F4861UL, 0xC26BD765UL, 0x64A3F6ABUL, + 0x80342676UL, 0x25A75E7BUL, 0xE4E6D1FCUL, 0x20C710E6UL, + 0xCDF0B680UL, 0x17844D3BUL, 0x31EEF84DUL, 0x7E0824E4UL, + 0x2CCB49EBUL, 0x846A3BAEUL, 0x8FF77888UL, 0xEE5D60F6UL, + 0x7AF75673UL, 0x2FDD5CDBUL, 0xA11631C1UL, 0x30F66F43UL, + 0xB3FAEC54UL, 0x157FD7FAUL, 0xEF8579CCUL, 0xD152DE58UL, + 0xDB2FFD5EUL, 0x8F32CE19UL, 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0xB12DEF3AUL, 0x37DDDDFCUL, + 0xDE9ADEB1UL, 0x0A0CC32CUL, 0xBE197029UL, 0x84A00940UL, + 0xBB243A0FUL, 0xB4D137CFUL, 0xB44E79F0UL, 0x049EEDFDUL, + 0x0B15A15DUL, 0x480D3168UL, 0x8BBBDE5AUL, 0x669DED42UL, + 0xC7ECE831UL, 0x3F8F95E7UL, 0x72DF191BUL, 0x7580330DUL, + 0x94074251UL, 0x5C7DCDFAUL, 0xABBE6D63UL, 0xAA402164UL, + 0xB301D40AUL, 0x02E7D1CAUL, 0x53571DAEUL, 0x7A3182A2UL, + 0x12A8DDECUL, 0xFDAA335DUL, 0x176F43E8UL, 0x71FB46D4UL, + 0x38129022UL, 0xCE949AD4UL, 0xB84769ADUL, 0x965BD862UL, + 0x82F3D055UL, 0x66FB9767UL, 0x15B80B4EUL, 0x1D5B47A0UL, + 0x4CFDE06FUL, 0xC28EC4B8UL, 0x57E8726EUL, 0x647A78FCUL, + 0x99865D44UL, 0x608BD593UL, 0x6C200E03UL, 0x39DC5FF6UL, + 0x5D0B00A3UL, 0xAE63AFF2UL, 0x7E8BD632UL, 0x70108C0CUL, + 0xBBD35049UL, 0x2998DF04UL, 0x980CF42AUL, 0x9B6DF491UL, + 0x9E7EDD53UL, 0x06918548UL, 0x58CB7E07UL, 0x3B74EF2EUL, + 0x522FFFB1UL, 0xD24708CCUL, 0x1C7E27CDUL, 0xA4EB215BUL, + 0x3CF1D2E2UL, 0x19B47A38UL, 0x424F7618UL, 0x35856039UL, + 0x9D17DEE7UL, 0x27EB35E6UL, 0xC9AFF67BUL, 0x36BAF5B8UL, + 0x09C467CDUL, 0xC18910B1UL, 0xE11DBF7BUL, 0x06CD1AF8UL, + 0x7170C608UL, 0x2D5E3354UL, 0xD4DE495AUL, 0x64C6D006UL, + 0xBCC0C62CUL, 0x3DD00DB3UL, 0x708F8F34UL, 0x77D51B42UL, + 0x264F620FUL, 0x24B8D2BFUL, 0x15C1B79EUL, 0x46A52564UL, + 0xF8D7E54EUL, 0x3E378160UL, 0x7895CDA5UL, 0x859C15A5UL, + 0xE6459788UL, 0xC37BC75FUL, 0xDB07BA0CUL, 0x0676A3ABUL, + 0x7F229B1EUL, 0x31842E7BUL, 0x24259FD7UL, 0xF8BEF472UL, + 0x835FFCB8UL, 0x6DF4C1F2UL, 0x96F5B195UL, 0xFD0AF0FCUL, + 0xB0FE134CUL, 0xE2506D3DUL, 0x4F9B12EAUL, 0xF215F225UL, + 0xA223736FUL, 0x9FB4C428UL, 0x25D04979UL, 0x34C713F8UL, + 0xC4618187UL, 0xEA7A6E98UL, 0x7CD16EFCUL, 0x1436876CUL, + 0xF1544107UL, 0xBEDEEE14UL, 0x56E9AF27UL, 0xA04AA441UL, + 0x3CF7C899UL, 0x92ECBAE6UL, 0xDD67016DUL, 0x151682EBUL, + 0xA842EEDFUL, 0xFDBA60B4UL, 0xF1907B75UL, 0x20E3030FUL, + 0x24D8C29EUL, 0xE139673BUL, 0xEFA63FB8UL, 0x71873054UL, + 0xB6F2CF3BUL, 0x9F326442UL, 0xCB15A4CCUL, 0xB01A4504UL, + 0xF1E47D8DUL, 0x844A1BE5UL, 0xBAE7DFDCUL, 0x42CBDA70UL, + 0xCD7DAE0AUL, 0x57E85B7AUL, 0xD53F5AF6UL, 0x20CF4D8CUL, + 0xCEA4D428UL, 0x79D130A4UL, 0x3486EBFBUL, 0x33D3CDDCUL, + 0x77853B53UL, 0x37EFFCB5UL, 0xC5068778UL, 0xE580B3E6UL, + 0x4E68B8F4UL, 0xC5C8B37EUL, 0x0D809EA2UL, 0x398FEB7CUL, + 0x132A4F94UL, 0x43B7950EUL, 0x2FEE7D1CUL, 0x223613BDUL, + 0xDD06CAA2UL, 0x37DF932BUL, 0xC4248289UL, 0xACF3EBC3UL, + 0x5715F6B7UL, 0xEF3478DDUL, 0xF267616FUL, 0xC148CBE4UL, + 0x9052815EUL, 0x5E410FABUL, 0xB48A2465UL, 0x2EDA7FA4UL, + 0xE87B40E4UL, 0xE98EA084UL, 0x5889E9E1UL, 0xEFD390FCUL, + 0xDD07D35BUL, 0xDB485694UL, 0x38D7E5B2UL, 0x57720101UL, + 0x730EDEBCUL, 0x5B643113UL, 0x94917E4FUL, 0x503C2FBAUL, + 0x646F1282UL, 0x7523D24AUL, 0xE0779695UL, 0xF9C17A8FUL, + 0x7A5B2121UL, 0xD187B896UL, 0x29263A4DUL, 0xBA510CDFUL, + 0x81F47C9FUL, 0xAD1163EDUL, 0xEA7B5965UL, 0x1A00726EUL, + 0x11403092UL, 0x00DA6D77UL, 0x4A0CDD61UL, 0xAD1F4603UL, + 0x605BDFB0UL, 0x9EEDC364UL, 0x22EBE6A8UL, 0xCEE7D28AUL, + 0xA0E736A0UL, 0x5564A6B9UL, 0x10853209UL, 0xC7EB8F37UL, + 0x2DE705CAUL, 0x8951570FUL, 0xDF09822BUL, 0xBD691A6CUL, + 0xAA12E4F2UL, 0x87451C0FUL, 0xE0F6A27AUL, 0x3ADA4819UL, + 0x4CF1764FUL, 0x0D771C2BUL, 0x67CDB156UL, 0x350D8384UL, + 0x5938FA0FUL, 0x42399EF3UL, 0x36997B07UL, 0x0E84093DUL, + 0x4AA93E61UL, 0x8360D87BUL, 0x1FA98B0CUL, 0x1149382CUL, + 0xE97625A5UL, 0x0614D1B7UL, 0x0E25244BUL, 0x0C768347UL, + 0x589E8D82UL, 0x0D2059D1UL, 0xA466BB1EUL, 0xF8DA0A82UL, + 0x04F19130UL, 0xBA6E4EC0UL, 0x99265164UL, 0x1EE7230DUL, + 0x50B2AD80UL, 0xEAEE6801UL, 0x8DB2A283UL, 0xEA8BF59EUL +}}; + +NAMESPACE_END diff --git a/CryptoPP/cbcmac.cpp b/CryptoPP/cbcmac.cpp new file mode 100644 index 000000000..6b0e8858e --- /dev/null +++ b/CryptoPP/cbcmac.cpp @@ -0,0 +1,62 @@ +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "cbcmac.h" + +NAMESPACE_BEGIN(CryptoPP) + +void CBC_MAC_Base::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) +{ + AccessCipher().SetKey(key, length, params); + m_reg.CleanNew(AccessCipher().BlockSize()); + m_counter = 0; +} + +void CBC_MAC_Base::Update(const byte *input, size_t length) +{ + unsigned int blockSize = AccessCipher().BlockSize(); + + while (m_counter && length) + { + m_reg[m_counter++] ^= *input++; + if (m_counter == blockSize) + ProcessBuf(); + length--; + } + + if (length >= blockSize) + { + size_t leftOver = AccessCipher().AdvancedProcessBlocks(m_reg, input, m_reg, length, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput); + input += (length - leftOver); + length = leftOver; + } + + while (length--) + { + m_reg[m_counter++] ^= *input++; + if (m_counter == blockSize) + ProcessBuf(); + } +} + +void CBC_MAC_Base::TruncatedFinal(byte *mac, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + if (m_counter) + ProcessBuf(); + + memcpy(mac, m_reg, size); + memset(m_reg, 0, AccessCipher().BlockSize()); +} + +void CBC_MAC_Base::ProcessBuf() +{ + AccessCipher().ProcessBlock(m_reg); + m_counter = 0; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cbcmac.h b/CryptoPP/cbcmac.h new file mode 100644 index 000000000..4675dcb3d --- /dev/null +++ b/CryptoPP/cbcmac.h @@ -0,0 +1,50 @@ +#ifndef CRYPTOPP_CBCMAC_H +#define CRYPTOPP_CBCMAC_H + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_MAC_Base : public MessageAuthenticationCode +{ +public: + CBC_MAC_Base() {} + + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *mac, size_t size); + unsigned int DigestSize() const {return const_cast<CBC_MAC_Base*>(this)->AccessCipher().BlockSize();} + +protected: + virtual BlockCipher & AccessCipher() =0; + +private: + void ProcessBuf(); + SecByteBlock m_reg; + unsigned int m_counter; +}; + +//! <a href="http://www.weidai.com/scan-mirror/mac.html#CBC-MAC">CBC-MAC</a> +/*! Compatible with FIPS 113. T should be a class derived from BlockCipherDocumentation. + Secure only for fixed length messages. For variable length messages use CMAC or DMAC. +*/ +template <class T> +class CBC_MAC : public MessageAuthenticationCodeImpl<CBC_MAC_Base, CBC_MAC<T> >, public SameKeyLengthAs<T> +{ +public: + CBC_MAC() {} + CBC_MAC(const byte *key, size_t length=SameKeyLengthAs<T>::DEFAULT_KEYLENGTH) + {this->SetKey(key, length);} + + static std::string StaticAlgorithmName() {return std::string("CBC-MAC(") + T::StaticAlgorithmName() + ")";} + +private: + BlockCipher & AccessCipher() {return m_cipher;} + typename T::Encryption m_cipher; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ccm.cpp b/CryptoPP/ccm.cpp new file mode 100644 index 000000000..036878719 --- /dev/null +++ b/CryptoPP/ccm.cpp @@ -0,0 +1,140 @@ +// ccm.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "ccm.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void CCM_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms)
+{
+ BlockCipher &blockCipher = AccessBlockCipher();
+
+ blockCipher.SetKey(userKey, keylength, params);
+
+ if (blockCipher.BlockSize() != REQUIRED_BLOCKSIZE)
+ throw InvalidArgument(AlgorithmName() + ": block size of underlying block cipher is not 16");
+
+ m_digestSize = params.GetIntValueWithDefault(Name::DigestSize(), DefaultDigestSize());
+ if (m_digestSize % 2 > 0 || m_digestSize < 4 || m_digestSize > 16)
+ throw InvalidArgument(AlgorithmName() + ": DigestSize must be 4, 6, 8, 10, 12, 14, or 16");
+
+ m_buffer.Grow(2*REQUIRED_BLOCKSIZE);
+ m_L = 8;
+}
+
+void CCM_Base::Resync(const byte *iv, size_t len)
+{
+ BlockCipher &cipher = AccessBlockCipher();
+
+ m_L = REQUIRED_BLOCKSIZE-1-(int)len;
+ assert(m_L >= 2);
+ if (m_L > 8)
+ m_L = 8;
+
+ m_buffer[0] = byte(m_L-1); // flag
+ memcpy(m_buffer+1, iv, len);
+ memset(m_buffer+1+len, 0, REQUIRED_BLOCKSIZE-1-len);
+
+ if (m_state >= State_IVSet)
+ m_ctr.Resynchronize(m_buffer, REQUIRED_BLOCKSIZE);
+ else
+ m_ctr.SetCipherWithIV(cipher, m_buffer);
+
+ m_ctr.Seek(REQUIRED_BLOCKSIZE);
+ m_aadLength = 0;
+ m_messageLength = 0;
+}
+
+void CCM_Base::UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength)
+{
+ if (m_state != State_IVSet)
+ throw BadState(AlgorithmName(), "SpecifyDataLengths", "or after State_IVSet");
+
+ m_aadLength = headerLength;
+ m_messageLength = messageLength;
+
+ byte *cbcBuffer = CBC_Buffer();
+ const BlockCipher &cipher = GetBlockCipher();
+
+ cbcBuffer[0] = byte(64*(headerLength>0) + 8*((m_digestSize-2)/2) + (m_L-1)); // flag
+ PutWord<word64>(true, BIG_ENDIAN_ORDER, cbcBuffer+REQUIRED_BLOCKSIZE-8, m_messageLength);
+ memcpy(cbcBuffer+1, m_buffer+1, REQUIRED_BLOCKSIZE-1-m_L);
+ cipher.ProcessBlock(cbcBuffer);
+
+ if (headerLength>0)
+ {
+ assert(m_bufferedDataLength == 0);
+
+ if (headerLength < ((1<<16) - (1<<8)))
+ {
+ PutWord<word16>(true, BIG_ENDIAN_ORDER, m_buffer, (word16)headerLength);
+ m_bufferedDataLength = 2;
+ }
+ else if (headerLength < (W64LIT(1)<<32))
+ {
+ m_buffer[0] = 0xff;
+ m_buffer[1] = 0xfe;
+ PutWord<word32>(false, BIG_ENDIAN_ORDER, m_buffer+2, (word32)headerLength);
+ m_bufferedDataLength = 6;
+ }
+ else
+ {
+ m_buffer[0] = 0xff;
+ m_buffer[1] = 0xff;
+ PutWord<word64>(false, BIG_ENDIAN_ORDER, m_buffer+2, headerLength);
+ m_bufferedDataLength = 10;
+ }
+ }
+}
+
+size_t CCM_Base::AuthenticateBlocks(const byte *data, size_t len)
+{
+ byte *cbcBuffer = CBC_Buffer();
+ const BlockCipher &cipher = GetBlockCipher();
+ return cipher.AdvancedProcessBlocks(cbcBuffer, data, cbcBuffer, len, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput);
+}
+
+void CCM_Base::AuthenticateLastHeaderBlock()
+{
+ byte *cbcBuffer = CBC_Buffer();
+ const BlockCipher &cipher = GetBlockCipher();
+
+ if (m_aadLength != m_totalHeaderLength)
+ throw InvalidArgument(AlgorithmName() + ": header length doesn't match that given in SpecifyDataLengths");
+
+ if (m_bufferedDataLength > 0)
+ {
+ xorbuf(cbcBuffer, m_buffer, m_bufferedDataLength);
+ cipher.ProcessBlock(cbcBuffer);
+ m_bufferedDataLength = 0;
+ }
+}
+
+void CCM_Base::AuthenticateLastConfidentialBlock()
+{
+ byte *cbcBuffer = CBC_Buffer();
+ const BlockCipher &cipher = GetBlockCipher();
+
+ if (m_messageLength != m_totalMessageLength)
+ throw InvalidArgument(AlgorithmName() + ": message length doesn't match that given in SpecifyDataLengths");
+
+ if (m_bufferedDataLength > 0)
+ {
+ xorbuf(cbcBuffer, m_buffer, m_bufferedDataLength);
+ cipher.ProcessBlock(cbcBuffer);
+ m_bufferedDataLength = 0;
+ }
+}
+
+void CCM_Base::AuthenticateLastFooterBlock(byte *mac, size_t macSize)
+{
+ m_ctr.Seek(0);
+ m_ctr.ProcessData(mac, CBC_Buffer(), macSize);
+}
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/ccm.h b/CryptoPP/ccm.h new file mode 100644 index 000000000..2f3c56b45 --- /dev/null +++ b/CryptoPP/ccm.h @@ -0,0 +1,101 @@ +#ifndef CRYPTOPP_CCM_H
+#define CRYPTOPP_CCM_H
+
+#include "authenc.h"
+#include "modes.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! .
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CCM_Base : public AuthenticatedSymmetricCipherBase
+{
+public:
+ CCM_Base()
+ : m_digestSize(0), m_L(0) {}
+
+ // AuthenticatedSymmetricCipher
+ std::string AlgorithmName() const
+ {return GetBlockCipher().AlgorithmName() + std::string("/CCM");}
+ size_t MinKeyLength() const
+ {return GetBlockCipher().MinKeyLength();}
+ size_t MaxKeyLength() const
+ {return GetBlockCipher().MaxKeyLength();}
+ size_t DefaultKeyLength() const
+ {return GetBlockCipher().DefaultKeyLength();}
+ size_t GetValidKeyLength(size_t n) const
+ {return GetBlockCipher().GetValidKeyLength(n);}
+ bool IsValidKeyLength(size_t n) const
+ {return GetBlockCipher().IsValidKeyLength(n);}
+ unsigned int OptimalDataAlignment() const
+ {return GetBlockCipher().OptimalDataAlignment();}
+ IV_Requirement IVRequirement() const
+ {return UNIQUE_IV;}
+ unsigned int IVSize() const
+ {return 8;}
+ unsigned int MinIVLength() const
+ {return 7;}
+ unsigned int MaxIVLength() const
+ {return 13;}
+ unsigned int DigestSize() const
+ {return m_digestSize;}
+ lword MaxHeaderLength() const
+ {return W64LIT(0)-1;}
+ lword MaxMessageLength() const
+ {return m_L<8 ? (W64LIT(1)<<(8*m_L))-1 : W64LIT(0)-1;}
+ bool NeedsPrespecifiedDataLengths() const
+ {return true;}
+ void UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength);
+
+protected:
+ // AuthenticatedSymmetricCipherBase
+ bool AuthenticationIsOnPlaintext() const
+ {return true;}
+ unsigned int AuthenticationBlockSize() const
+ {return GetBlockCipher().BlockSize();}
+ void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms);
+ void Resync(const byte *iv, size_t len);
+ size_t AuthenticateBlocks(const byte *data, size_t len);
+ void AuthenticateLastHeaderBlock();
+ void AuthenticateLastConfidentialBlock();
+ void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
+ SymmetricCipher & AccessSymmetricCipher() {return m_ctr;}
+
+ virtual BlockCipher & AccessBlockCipher() =0;
+ virtual int DefaultDigestSize() const =0;
+
+ const BlockCipher & GetBlockCipher() const {return const_cast<CCM_Base *>(this)->AccessBlockCipher();};
+ byte *CBC_Buffer() {return m_buffer+REQUIRED_BLOCKSIZE;}
+
+ enum {REQUIRED_BLOCKSIZE = 16};
+ int m_digestSize, m_L;
+ word64 m_messageLength, m_aadLength;
+ CTR_Mode_ExternalCipher::Encryption m_ctr;
+};
+
+//! .
+template <class T_BlockCipher, int T_DefaultDigestSize, bool T_IsEncryption>
+class CCM_Final : public CCM_Base
+{
+public:
+ static std::string StaticAlgorithmName()
+ {return T_BlockCipher::StaticAlgorithmName() + std::string("/CCM");}
+ bool IsForwardTransformation() const
+ {return T_IsEncryption;}
+
+private:
+ BlockCipher & AccessBlockCipher() {return m_cipher;}
+ int DefaultDigestSize() const {return T_DefaultDigestSize;}
+ typename T_BlockCipher::Encryption m_cipher;
+};
+
+/// <a href="http://www.cryptolounge.org/wiki/CCM">CCM</a>
+template <class T_BlockCipher, int T_DefaultDigestSize = 16>
+struct CCM : public AuthenticatedSymmetricCipherDocumentation
+{
+ typedef CCM_Final<T_BlockCipher, T_DefaultDigestSize, true> Encryption;
+ typedef CCM_Final<T_BlockCipher, T_DefaultDigestSize, false> Decryption;
+};
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/channels.cpp b/CryptoPP/channels.cpp new file mode 100644 index 000000000..7359f54f7 --- /dev/null +++ b/CryptoPP/channels.cpp @@ -0,0 +1,309 @@ +// channels.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "channels.h" + +NAMESPACE_BEGIN(CryptoPP) +USING_NAMESPACE(std) + +#if 0 +void MessageSwitch::AddDefaultRoute(BufferedTransformation &destination, const std::string &channel) +{ + m_defaultRoutes.push_back(Route(&destination, channel)); +} + +void MessageSwitch::AddRoute(unsigned int begin, unsigned int end, BufferedTransformation &destination, const std::string &channel) +{ + RangeRoute route(begin, end, Route(&destination, channel)); + RouteList::iterator it = upper_bound(m_routes.begin(), m_routes.end(), route); + m_routes.insert(it, route); +} + +/* +class MessageRouteIterator +{ +public: + typedef MessageSwitch::RouteList::const_iterator RouteIterator; + typedef MessageSwitch::DefaultRouteList::const_iterator DefaultIterator; + + bool m_useDefault; + RouteIterator m_itRouteCurrent, m_itRouteEnd; + DefaultIterator m_itDefaultCurrent, m_itDefaultEnd; + + MessageRouteIterator(MessageSwitch &ms, const std::string &channel) + : m_channel(channel) + { + pair<MapIterator, MapIterator> range = cs.m_routeMap.equal_range(channel); + if (range.first == range.second) + { + m_useDefault = true; + m_itListCurrent = cs.m_defaultRoutes.begin(); + m_itListEnd = cs.m_defaultRoutes.end(); + } + else + { + m_useDefault = false; + m_itMapCurrent = range.first; + m_itMapEnd = range.second; + } + } + + bool End() const + { + return m_useDefault ? m_itListCurrent == m_itListEnd : m_itMapCurrent == m_itMapEnd; + } + + void Next() + { + if (m_useDefault) + ++m_itListCurrent; + else + ++m_itMapCurrent; + } + + BufferedTransformation & Destination() + { + return m_useDefault ? *m_itListCurrent->first : *m_itMapCurrent->second.first; + } + + const std::string & Message() + { + if (m_useDefault) + return m_itListCurrent->second.get() ? *m_itListCurrent->second.get() : m_channel; + else + return m_itMapCurrent->second.second; + } +}; + +void MessageSwitch::Put(byte inByte); +void MessageSwitch::Put(const byte *inString, unsigned int length); + +void MessageSwitch::Flush(bool completeFlush, int propagation=-1); +void MessageSwitch::MessageEnd(int propagation=-1); +void MessageSwitch::PutMessageEnd(const byte *inString, unsigned int length, int propagation=-1); +void MessageSwitch::MessageSeriesEnd(int propagation=-1); +*/ +#endif + + +// +// ChannelRouteIterator +////////////////////////// + +void ChannelRouteIterator::Reset(const std::string &channel) +{ + m_channel = channel; + pair<MapIterator, MapIterator> range = m_cs.m_routeMap.equal_range(channel); + if (range.first == range.second) + { + m_useDefault = true; + m_itListCurrent = m_cs.m_defaultRoutes.begin(); + m_itListEnd = m_cs.m_defaultRoutes.end(); + } + else + { + m_useDefault = false; + m_itMapCurrent = range.first; + m_itMapEnd = range.second; + } +} + +bool ChannelRouteIterator::End() const +{ + return m_useDefault ? m_itListCurrent == m_itListEnd : m_itMapCurrent == m_itMapEnd; +} + +void ChannelRouteIterator::Next() +{ + if (m_useDefault) + ++m_itListCurrent; + else + ++m_itMapCurrent; +} + +BufferedTransformation & ChannelRouteIterator::Destination() +{ + return m_useDefault ? *m_itListCurrent->first : *m_itMapCurrent->second.first; +} + +const std::string & ChannelRouteIterator::Channel() +{ + if (m_useDefault) + return m_itListCurrent->second.get() ? *m_itListCurrent->second.get() : m_channel; + else + return m_itMapCurrent->second.second; +} + + +// +// ChannelSwitch +/////////////////// + +size_t ChannelSwitch::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (m_blocked) + { + m_blocked = false; + goto WasBlocked; + } + + m_it.Reset(channel); + + while (!m_it.End()) + { +WasBlocked: + if (m_it.Destination().ChannelPut2(m_it.Channel(), begin, length, messageEnd, blocking)) + { + m_blocked = true; + return 1; + } + + m_it.Next(); + } + + return 0; +} + +void ChannelSwitch::IsolatedInitialize(const NameValuePairs ¶meters/* =g_nullNameValuePairs */) +{ + m_routeMap.clear(); + m_defaultRoutes.clear(); + m_blocked = false; +} + +bool ChannelSwitch::ChannelFlush(const std::string &channel, bool completeFlush, int propagation, bool blocking) +{ + if (m_blocked) + { + m_blocked = false; + goto WasBlocked; + } + + m_it.Reset(channel); + + while (!m_it.End()) + { + WasBlocked: + if (m_it.Destination().ChannelFlush(m_it.Channel(), completeFlush, propagation, blocking)) + { + m_blocked = true; + return true; + } + + m_it.Next(); + } + + return false; +} + +bool ChannelSwitch::ChannelMessageSeriesEnd(const std::string &channel, int propagation, bool blocking) +{ + if (m_blocked) + { + m_blocked = false; + goto WasBlocked; + } + + m_it.Reset(channel); + + while (!m_it.End()) + { + WasBlocked: + if (m_it.Destination().ChannelMessageSeriesEnd(m_it.Channel(), propagation)) + { + m_blocked = true; + return true; + } + + m_it.Next(); + } + + return false; +} + +byte * ChannelSwitch::ChannelCreatePutSpace(const std::string &channel, size_t &size) +{ + m_it.Reset(channel); + if (!m_it.End()) + { + BufferedTransformation &target = m_it.Destination(); + const std::string &channel = m_it.Channel(); + m_it.Next(); + if (m_it.End()) // there is only one target channel + return target.ChannelCreatePutSpace(channel, size); + } + size = 0; + return NULL; +} + +size_t ChannelSwitch::ChannelPutModifiable2(const std::string &channel, byte *inString, size_t length, int messageEnd, bool blocking) +{ + ChannelRouteIterator it(*this); + it.Reset(channel); + + if (!it.End()) + { + BufferedTransformation &target = it.Destination(); + const std::string &targetChannel = it.Channel(); + it.Next(); + if (it.End()) // there is only one target channel + return target.ChannelPutModifiable2(targetChannel, inString, length, messageEnd, blocking); + } + + return ChannelPut2(channel, inString, length, messageEnd, blocking); +} + +void ChannelSwitch::AddDefaultRoute(BufferedTransformation &destination) +{ + m_defaultRoutes.push_back(DefaultRoute(&destination, value_ptr<std::string>(NULL))); +} + +void ChannelSwitch::RemoveDefaultRoute(BufferedTransformation &destination) +{ + for (DefaultRouteList::iterator it = m_defaultRoutes.begin(); it != m_defaultRoutes.end(); ++it) + if (it->first == &destination && !it->second.get()) + { + m_defaultRoutes.erase(it); + break; + } +} + +void ChannelSwitch::AddDefaultRoute(BufferedTransformation &destination, const std::string &outChannel) +{ + m_defaultRoutes.push_back(DefaultRoute(&destination, outChannel)); +} + +void ChannelSwitch::RemoveDefaultRoute(BufferedTransformation &destination, const std::string &outChannel) +{ + for (DefaultRouteList::iterator it = m_defaultRoutes.begin(); it != m_defaultRoutes.end(); ++it) + if (it->first == &destination && (it->second.get() && *it->second == outChannel)) + { + m_defaultRoutes.erase(it); + break; + } +} + +void ChannelSwitch::AddRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel) +{ + m_routeMap.insert(RouteMap::value_type(inChannel, Route(&destination, outChannel))); +} + +void ChannelSwitch::RemoveRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel) +{ + typedef ChannelSwitch::RouteMap::iterator MapIterator; + pair<MapIterator, MapIterator> range = m_routeMap.equal_range(inChannel); + + for (MapIterator it = range.first; it != range.second; ++it) + if (it->second.first == &destination && it->second.second == outChannel) + { + m_routeMap.erase(it); + break; + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/channels.h b/CryptoPP/channels.h new file mode 100644 index 000000000..837415615 --- /dev/null +++ b/CryptoPP/channels.h @@ -0,0 +1,123 @@ +#ifndef CRYPTOPP_CHANNELS_H +#define CRYPTOPP_CHANNELS_H + +#include "simple.h" +#include "smartptr.h" +#include <map> +#include <list> + +NAMESPACE_BEGIN(CryptoPP) + +#if 0 +//! Route input on default channel to different and/or multiple channels based on message sequence number +class MessageSwitch : public Sink +{ +public: + void AddDefaultRoute(BufferedTransformation &destination, const std::string &channel); + void AddRoute(unsigned int begin, unsigned int end, BufferedTransformation &destination, const std::string &channel); + + void Put(byte inByte); + void Put(const byte *inString, unsigned int length); + + void Flush(bool completeFlush, int propagation=-1); + void MessageEnd(int propagation=-1); + void PutMessageEnd(const byte *inString, unsigned int length, int propagation=-1); + void MessageSeriesEnd(int propagation=-1); + +private: + typedef std::pair<BufferedTransformation *, std::string> Route; + struct RangeRoute + { + RangeRoute(unsigned int begin, unsigned int end, const Route &route) + : begin(begin), end(end), route(route) {} + bool operator<(const RangeRoute &rhs) const {return begin < rhs.begin;} + unsigned int begin, end; + Route route; + }; + + typedef std::list<RangeRoute> RouteList; + typedef std::list<Route> DefaultRouteList; + + RouteList m_routes; + DefaultRouteList m_defaultRoutes; + unsigned int m_nCurrentMessage; +}; +#endif + +class ChannelSwitchTypedefs +{ +public: + typedef std::pair<BufferedTransformation *, std::string> Route; + typedef std::multimap<std::string, Route> RouteMap; + + typedef std::pair<BufferedTransformation *, value_ptr<std::string> > DefaultRoute; + typedef std::list<DefaultRoute> DefaultRouteList; + + // SunCC workaround: can't use const_iterator here + typedef RouteMap::iterator MapIterator; + typedef DefaultRouteList::iterator ListIterator; +}; + +class ChannelSwitch; + +class ChannelRouteIterator : public ChannelSwitchTypedefs +{ +public: + ChannelSwitch& m_cs; + std::string m_channel; + bool m_useDefault; + MapIterator m_itMapCurrent, m_itMapEnd; + ListIterator m_itListCurrent, m_itListEnd; + + ChannelRouteIterator(ChannelSwitch &cs) : m_cs(cs) {} + void Reset(const std::string &channel); + bool End() const; + void Next(); + BufferedTransformation & Destination(); + const std::string & Channel(); +}; + +//! Route input to different and/or multiple channels based on channel ID +class CRYPTOPP_DLL ChannelSwitch : public Multichannel<Sink>, public ChannelSwitchTypedefs +{ +public: + ChannelSwitch() : m_it(*this), m_blocked(false) {} + ChannelSwitch(BufferedTransformation &destination) : m_it(*this), m_blocked(false) + { + AddDefaultRoute(destination); + } + ChannelSwitch(BufferedTransformation &destination, const std::string &outChannel) : m_it(*this), m_blocked(false) + { + AddDefaultRoute(destination, outChannel); + } + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); + size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking); + + bool ChannelFlush(const std::string &channel, bool completeFlush, int propagation=-1, bool blocking=true); + bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true); + + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size); + + void AddDefaultRoute(BufferedTransformation &destination); + void RemoveDefaultRoute(BufferedTransformation &destination); + void AddDefaultRoute(BufferedTransformation &destination, const std::string &outChannel); + void RemoveDefaultRoute(BufferedTransformation &destination, const std::string &outChannel); + void AddRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel); + void RemoveRoute(const std::string &inChannel, BufferedTransformation &destination, const std::string &outChannel); + +private: + RouteMap m_routeMap; + DefaultRouteList m_defaultRoutes; + + ChannelRouteIterator m_it; + bool m_blocked; + + friend class ChannelRouteIterator; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cmac.cpp b/CryptoPP/cmac.cpp new file mode 100644 index 000000000..e8fa6fea6 --- /dev/null +++ b/CryptoPP/cmac.cpp @@ -0,0 +1,122 @@ +// cmac.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "cmac.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+static void MulU(byte *k, unsigned int length)
+{
+ byte carry = 0;
+
+ for (int i=length-1; i>=1; i-=2)
+ {
+ byte carry2 = k[i] >> 7;
+ k[i] += k[i] + carry;
+ carry = k[i-1] >> 7;
+ k[i-1] += k[i-1] + carry2;
+ }
+
+ if (carry)
+ {
+ switch (length)
+ {
+ case 8:
+ k[7] ^= 0x1b;
+ break;
+ case 16:
+ k[15] ^= 0x87;
+ break;
+ case 32:
+ k[30] ^= 4;
+ k[31] ^= 0x23;
+ break;
+ default:
+ throw InvalidArgument("CMAC: " + IntToString(length) + " is not a supported cipher block size");
+ }
+ }
+}
+
+void CMAC_Base::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms)
+{
+ BlockCipher &cipher = AccessCipher();
+ unsigned int blockSize = cipher.BlockSize();
+
+ cipher.SetKey(key, length, params);
+ m_reg.CleanNew(3*blockSize);
+ m_counter = 0;
+
+ cipher.ProcessBlock(m_reg, m_reg+blockSize);
+ MulU(m_reg+blockSize, blockSize);
+ memcpy(m_reg+2*blockSize, m_reg+blockSize, blockSize);
+ MulU(m_reg+2*blockSize, blockSize);
+}
+
+void CMAC_Base::Update(const byte *input, size_t length)
+{
+ if (!length)
+ return;
+
+ BlockCipher &cipher = AccessCipher();
+ unsigned int blockSize = cipher.BlockSize();
+
+ if (m_counter > 0)
+ {
+ unsigned int len = UnsignedMin(blockSize - m_counter, length);
+ xorbuf(m_reg+m_counter, input, len);
+ length -= len;
+ input += len;
+ m_counter += len;
+
+ if (m_counter == blockSize && length > 0)
+ {
+ cipher.ProcessBlock(m_reg);
+ m_counter = 0;
+ }
+ }
+
+ if (length > blockSize)
+ {
+ assert(m_counter == 0);
+ size_t leftOver = 1 + cipher.AdvancedProcessBlocks(m_reg, input, m_reg, length-1, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput);
+ input += (length - leftOver);
+ length = leftOver;
+ }
+
+ if (length > 0)
+ {
+ assert(m_counter + length <= blockSize);
+ xorbuf(m_reg+m_counter, input, length);
+ m_counter += (unsigned int)length;
+ }
+
+ assert(m_counter > 0);
+}
+
+void CMAC_Base::TruncatedFinal(byte *mac, size_t size)
+{
+ ThrowIfInvalidTruncatedSize(size);
+
+ BlockCipher &cipher = AccessCipher();
+ unsigned int blockSize = cipher.BlockSize();
+
+ if (m_counter < blockSize)
+ {
+ m_reg[m_counter] ^= 0x80;
+ cipher.AdvancedProcessBlocks(m_reg, m_reg+2*blockSize, m_reg, blockSize, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput);
+ }
+ else
+ cipher.AdvancedProcessBlocks(m_reg, m_reg+blockSize, m_reg, blockSize, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput);
+
+ memcpy(mac, m_reg, size);
+
+ m_counter = 0;
+ memset(m_reg, 0, blockSize);
+}
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/cmac.h b/CryptoPP/cmac.h new file mode 100644 index 000000000..ab3ecf8cc --- /dev/null +++ b/CryptoPP/cmac.h @@ -0,0 +1,52 @@ +#ifndef CRYPTOPP_CMAC_H
+#define CRYPTOPP_CMAC_H
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CMAC_Base : public MessageAuthenticationCode
+{
+public:
+ CMAC_Base() {}
+
+ void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms);
+ void Update(const byte *input, size_t length);
+ void TruncatedFinal(byte *mac, size_t size);
+ unsigned int DigestSize() const {return GetCipher().BlockSize();}
+ unsigned int OptimalBlockSize() const {return GetCipher().BlockSize();}
+ unsigned int OptimalDataAlignment() const {return GetCipher().OptimalDataAlignment();}
+
+protected:
+ friend class EAX_Base;
+
+ const BlockCipher & GetCipher() const {return const_cast<CMAC_Base*>(this)->AccessCipher();}
+ virtual BlockCipher & AccessCipher() =0;
+
+ void ProcessBuf();
+ SecByteBlock m_reg;
+ unsigned int m_counter;
+};
+
+/// <a href="http://www.cryptolounge.org/wiki/CMAC">CMAC</a>
+/*! Template parameter T should be a class derived from BlockCipherDocumentation, for example AES, with a block size of 8, 16, or 32 */
+template <class T>
+class CMAC : public MessageAuthenticationCodeImpl<CMAC_Base, CMAC<T> >, public SameKeyLengthAs<T>
+{
+public:
+ CMAC() {}
+ CMAC(const byte *key, size_t length=SameKeyLengthAs<T>::DEFAULT_KEYLENGTH)
+ {this->SetKey(key, length);}
+
+ static std::string StaticAlgorithmName() {return std::string("CMAC(") + T::StaticAlgorithmName() + ")";}
+
+private:
+ BlockCipher & AccessCipher() {return m_cipher;}
+ typename T::Encryption m_cipher;
+};
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/config.h b/CryptoPP/config.h new file mode 100644 index 000000000..ac8870694 --- /dev/null +++ b/CryptoPP/config.h @@ -0,0 +1,462 @@ +#ifndef CRYPTOPP_CONFIG_H +#define CRYPTOPP_CONFIG_H + +// ***************** Important Settings ******************** + +// define this if running on a big-endian CPU +#if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__))) +# define IS_BIG_ENDIAN +#endif + +// define this if running on a little-endian CPU +// big endian will be assumed if IS_LITTLE_ENDIAN is not defined +#ifndef IS_BIG_ENDIAN +# define IS_LITTLE_ENDIAN +#endif + +// define this if you want to disable all OS-dependent features, +// such as sockets and OS-provided random number generators +// #define NO_OS_DEPENDENCE + +// Define this to use features provided by Microsoft's CryptoAPI. +// Currently the only feature used is random number generation. +// This macro will be ignored if NO_OS_DEPENDENCE is defined. +#define USE_MS_CRYPTOAPI + +// Define this to 1 to enforce the requirement in FIPS 186-2 Change Notice 1 that only 1024 bit moduli be used +#ifndef DSA_1024_BIT_MODULUS_ONLY +# define DSA_1024_BIT_MODULUS_ONLY 1 +#endif + +// ***************** Less Important Settings *************** + +// define this to retain (as much as possible) old deprecated function and class names +// #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + +#define GZIP_OS_CODE 0 + +// Try this if your CPU has 256K internal cache or a slow multiply instruction +// and you want a (possibly) faster IDEA implementation using log tables +// #define IDEA_LARGECACHE + +// Define this if, for the linear congruential RNG, you want to use +// the original constants as specified in S.K. Park and K.W. Miller's +// CACM paper. +// #define LCRNG_ORIGINAL_NUMBERS + +// choose which style of sockets to wrap (mostly useful for cygwin which has both) +#define PREFER_BERKELEY_STYLE_SOCKETS +// #define PREFER_WINDOWS_STYLE_SOCKETS + +// set the name of Rijndael cipher, was "Rijndael" before version 5.3 +#define CRYPTOPP_RIJNDAEL_NAME "AES" + +// ***************** Important Settings Again ******************** +// But the defaults should be ok. + +// namespace support is now required +#ifdef NO_NAMESPACE +# error namespace support is now required +#endif + +// Define this to workaround a Microsoft CryptoAPI bug where +// each call to CryptAcquireContext causes a 100 KB memory leak. +// Defining this will cause Crypto++ to make only one call to CryptAcquireContext. +#define WORKAROUND_MS_BUG_Q258000 + +#ifdef CRYPTOPP_DOXYGEN_PROCESSING +// Avoid putting "CryptoPP::" in front of everything in Doxygen output +# define CryptoPP +# define NAMESPACE_BEGIN(x) +# define NAMESPACE_END +// Get Doxygen to generate better documentation for these typedefs +# define DOCUMENTED_TYPEDEF(x, y) class y : public x {}; +#else +# define NAMESPACE_BEGIN(x) namespace x { +# define NAMESPACE_END } +# define DOCUMENTED_TYPEDEF(x, y) typedef x y; +#endif +#define ANONYMOUS_NAMESPACE_BEGIN namespace { +#define USING_NAMESPACE(x) using namespace x; +#define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x { +#define DOCUMENTED_NAMESPACE_END } + +// What is the type of the third parameter to bind? +// For Unix, the new standard is ::socklen_t (typically unsigned int), and the old standard is int. +// Unfortunately there is no way to tell whether or not socklen_t is defined. +// To work around this, TYPE_OF_SOCKLEN_T is a macro so that you can change it from the makefile. +#ifndef TYPE_OF_SOCKLEN_T +# if defined(_WIN32) || defined(__CYGWIN__) +# define TYPE_OF_SOCKLEN_T int +# else +# define TYPE_OF_SOCKLEN_T ::socklen_t +# endif +#endif + +#if defined(__CYGWIN__) && defined(PREFER_WINDOWS_STYLE_SOCKETS) +# define __USE_W32_SOCKETS +#endif + +typedef unsigned char byte; // put in global namespace to avoid ambiguity with other byte typedefs + +NAMESPACE_BEGIN(CryptoPP) + +typedef unsigned short word16; +typedef unsigned int word32; + +#if defined(_MSC_VER) || defined(__BORLANDC__) + typedef unsigned __int64 word64; + #define W64LIT(x) x##ui64 +#else + typedef unsigned long long word64; + #define W64LIT(x) x##ULL +#endif + +// define large word type, used for file offsets and such +typedef word64 lword; +const lword LWORD_MAX = W64LIT(0xffffffffffffffff); + +#ifdef __GNUC__ + #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) +#endif + +// define hword, word, and dword. these are used for multiprecision integer arithmetic +// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx +#if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__)) || (defined(__SUNPRO_CC) && defined(__x86_64__)) + typedef word32 hword; + typedef word64 word; +#else + #define CRYPTOPP_NATIVE_DWORD_AVAILABLE + #if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__) + #if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !(CRYPTOPP_GCC_VERSION == 40001 && defined(__APPLE__)) && CRYPTOPP_GCC_VERSION >= 30400 + // GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3 + // mode(TI) division broken on amd64 with GCC earlier than GCC 3.4 + typedef word32 hword; + typedef word64 word; + typedef __uint128_t dword; + typedef __uint128_t word128; + #define CRYPTOPP_WORD128_AVAILABLE + #else + // if we're here, it means we're on a 64-bit CPU but we don't have a way to obtain 128-bit multiplication results + typedef word16 hword; + typedef word32 word; + typedef word64 dword; + #endif + #else + // being here means the native register size is probably 32 bits or less + #define CRYPTOPP_BOOL_SLOW_WORD64 1 + typedef word16 hword; + typedef word32 word; + typedef word64 dword; + #endif +#endif +#ifndef CRYPTOPP_BOOL_SLOW_WORD64 + #define CRYPTOPP_BOOL_SLOW_WORD64 0 +#endif + +const unsigned int WORD_SIZE = sizeof(word); +const unsigned int WORD_BITS = WORD_SIZE * 8; + +NAMESPACE_END + +#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE + // This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks. + #if defined(_M_X64) || defined(__x86_64__) + #define CRYPTOPP_L1_CACHE_LINE_SIZE 64 + #else + // L1 cache line size is 32 on Pentium III and earlier + #define CRYPTOPP_L1_CACHE_LINE_SIZE 32 + #endif +#endif + +#if defined(_MSC_VER) + #if _MSC_VER == 1200 + #include <malloc.h> + #endif + #if _MSC_VER > 1200 || defined(_mm_free) + #define CRYPTOPP_MSVC6PP_OR_LATER // VC 6 processor pack or later + #else + #define CRYPTOPP_MSVC6_NO_PP // VC 6 without processor pack + #endif +#endif + +#ifndef CRYPTOPP_ALIGN_DATA + #if defined(CRYPTOPP_MSVC6PP_OR_LATER) + #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x)) + #elif defined(__GNUC__) + #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x))) + #else + #define CRYPTOPP_ALIGN_DATA(x) + #endif +#endif + +#ifndef CRYPTOPP_SECTION_ALIGN16 + #if defined(__GNUC__) && !defined(__APPLE__) + // the alignment attribute doesn't seem to work without this section attribute when -fdata-sections is turned on + #define CRYPTOPP_SECTION_ALIGN16 __attribute__((section ("CryptoPP_Align16"))) + #else + #define CRYPTOPP_SECTION_ALIGN16 + #endif +#endif + +#if defined(_MSC_VER) || defined(__fastcall) + #define CRYPTOPP_FASTCALL __fastcall +#else + #define CRYPTOPP_FASTCALL +#endif + +// VC60 workaround: it doesn't allow typename in some places +#if defined(_MSC_VER) && (_MSC_VER < 1300) +#define CPP_TYPENAME +#else +#define CPP_TYPENAME typename +#endif + +// VC60 workaround: can't cast unsigned __int64 to float or double +#if defined(_MSC_VER) && !defined(CRYPTOPP_MSVC6PP_OR_LATER) +#define CRYPTOPP_VC6_INT64 (__int64) +#else +#define CRYPTOPP_VC6_INT64 +#endif + +#ifdef _MSC_VER +#define CRYPTOPP_NO_VTABLE __declspec(novtable) +#else +#define CRYPTOPP_NO_VTABLE +#endif + +#ifdef _MSC_VER + // 4231: nonstandard extension used : 'extern' before template explicit instantiation + // 4250: dominance + // 4251: member needs to have dll-interface + // 4275: base needs to have dll-interface + // 4660: explicitly instantiating a class that's already implicitly instantiated + // 4661: no suitable definition provided for explicit template instantiation request + // 4786: identifer was truncated in debug information + // 4355: 'this' : used in base member initializer list + // 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation +# pragma warning(disable: 4231 4250 4251 4275 4660 4661 4786 4355 4910) +#endif + +#ifdef __BORLANDC__ +// 8037: non-const function called for const object. needed to work around BCB2006 bug +# pragma warn -8037 +#endif + +#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || defined(_STLPORT_VERSION) +#define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION +#endif + +#ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION +#define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE +#endif + +#ifdef CRYPTOPP_DISABLE_X86ASM // for backwards compatibility: this macro had both meanings +#define CRYPTOPP_DISABLE_ASM +#define CRYPTOPP_DISABLE_SSE2 +#endif + +#if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(_MSC_VER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)))) + // C++Builder 2010 does not allow "call label" where label is defined within inline assembly + #define CRYPTOPP_X86_ASM_AVAILABLE + + #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || CRYPTOPP_GCC_VERSION >= 30300) + #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1 + #else + #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0 + #endif + + // SSSE3 was actually introduced in GNU as 2.17, which was released 6/23/2006, but we can't tell what version of binutils is installed. + // GCC 4.1.2 was released on 2/13/2007, so we'll use that as a proxy for the binutils version. + #if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1400 || CRYPTOPP_GCC_VERSION >= 40102) + #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1 + #else + #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0 + #endif +#endif + +#if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64) + #define CRYPTOPP_X64_MASM_AVAILABLE +#endif + +#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__) + #define CRYPTOPP_X64_ASM_AVAILABLE +#endif + +#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__)) + #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1 +#else + #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0 +#endif + +#if !defined(CRYPTOPP_DISABLE_SSSE3) && !defined(CRYPTOPP_DISABLE_AESNI) && CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE && (CRYPTOPP_GCC_VERSION >= 40400 || _MSC_FULL_VER >= 150030729 || __INTEL_COMPILER >= 1110) + #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 1 +#else + #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 0 +#endif + +#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + #define CRYPTOPP_BOOL_ALIGN16_ENABLED 1 +#else + #define CRYPTOPP_BOOL_ALIGN16_ENABLED 0 +#endif + +// how to allocate 16-byte aligned memory (for SSE2) +#if defined(CRYPTOPP_MSVC6PP_OR_LATER) + #define CRYPTOPP_MM_MALLOC_AVAILABLE +#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) + #define CRYPTOPP_MALLOC_ALIGNMENT_IS_16 +#elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__) + #define CRYPTOPP_MEMALIGN_AVAILABLE +#else + #define CRYPTOPP_NO_ALIGNED_ALLOC +#endif + +// how to disable inlining +#if defined(_MSC_VER) && _MSC_VER >= 1300 +# define CRYPTOPP_NOINLINE_DOTDOTDOT +# define CRYPTOPP_NOINLINE __declspec(noinline) +#elif defined(__GNUC__) +# define CRYPTOPP_NOINLINE_DOTDOTDOT +# define CRYPTOPP_NOINLINE __attribute__((noinline)) +#else +# define CRYPTOPP_NOINLINE_DOTDOTDOT ... +# define CRYPTOPP_NOINLINE +#endif + +// how to declare class constants +#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__INTEL_COMPILER) +# define CRYPTOPP_CONSTANT(x) enum {x}; +#else +# define CRYPTOPP_CONSTANT(x) static const int x; +#endif + +#if defined(_M_X64) || defined(__x86_64__) + #define CRYPTOPP_BOOL_X64 1 +#else + #define CRYPTOPP_BOOL_X64 0 +#endif + +// see http://predef.sourceforge.net/prearch.html +#if defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__) + #define CRYPTOPP_BOOL_X86 1 +#else + #define CRYPTOPP_BOOL_X86 0 +#endif + +#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || defined(__powerpc__) + #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS +#endif + +#define CRYPTOPP_VERSION 561 + +// ***************** determine availability of OS features ******************** + +#ifndef NO_OS_DEPENDENCE + +#if defined(_WIN32) || defined(__CYGWIN__) +#define CRYPTOPP_WIN32_AVAILABLE +#endif + +#if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun) +#define CRYPTOPP_UNIX_AVAILABLE +#endif + +#if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE) +# define HIGHRES_TIMER_AVAILABLE +#endif + +#ifdef CRYPTOPP_UNIX_AVAILABLE +# define HAS_BERKELEY_STYLE_SOCKETS +#endif + +#ifdef CRYPTOPP_WIN32_AVAILABLE +# define HAS_WINDOWS_STYLE_SOCKETS +#endif + +#if defined(HIGHRES_TIMER_AVAILABLE) && (defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(HAS_WINDOWS_STYLE_SOCKETS)) +# define SOCKETS_AVAILABLE +#endif + +#if defined(HAS_WINDOWS_STYLE_SOCKETS) && (!defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(PREFER_WINDOWS_STYLE_SOCKETS)) +# define USE_WINDOWS_STYLE_SOCKETS +#else +# define USE_BERKELEY_STYLE_SOCKETS +#endif + +#if defined(HIGHRES_TIMER_AVAILABLE) && defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(USE_BERKELEY_STYLE_SOCKETS) +# define WINDOWS_PIPES_AVAILABLE +#endif + +#if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(USE_MS_CRYPTOAPI) +# define NONBLOCKING_RNG_AVAILABLE +# define OS_RNG_AVAILABLE +#endif + +#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING) +# define NONBLOCKING_RNG_AVAILABLE +# define BLOCKING_RNG_AVAILABLE +# define OS_RNG_AVAILABLE +# define HAS_PTHREADS +# define THREADS_AVAILABLE +#endif + +#ifdef CRYPTOPP_WIN32_AVAILABLE +# define HAS_WINTHREADS +# define THREADS_AVAILABLE +#endif + +#endif // NO_OS_DEPENDENCE + +// ***************** DLL related ******************** + +#if defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(CRYPTOPP_DOXYGEN_PROCESSING) + +#ifdef CRYPTOPP_EXPORTS +#define CRYPTOPP_IS_DLL +#define CRYPTOPP_DLL __declspec(dllexport) +#elif defined(CRYPTOPP_IMPORTS) +#define CRYPTOPP_IS_DLL +#define CRYPTOPP_DLL __declspec(dllimport) +#else +#define CRYPTOPP_DLL +#endif + +#define CRYPTOPP_API __cdecl + +#else // CRYPTOPP_WIN32_AVAILABLE + +#define CRYPTOPP_DLL +#define CRYPTOPP_API + +#endif // CRYPTOPP_WIN32_AVAILABLE + +#if defined(__MWERKS__) +#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL +#elif defined(__BORLANDC__) || defined(__SUNPRO_CC) +#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL +#else +#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL +#endif + +#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS) +#define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL +#else +#define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS +#endif + +#if defined(__MWERKS__) +#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class +#elif defined(__BORLANDC__) || defined(__SUNPRO_CC) +#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class +#else +#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class +#endif + +#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS) +#define CRYPTOPP_STATIC_TEMPLATE_CLASS template class +#else +#define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS +#endif + +#endif diff --git a/CryptoPP/cpu.cpp b/CryptoPP/cpu.cpp new file mode 100644 index 000000000..3610a7c8e --- /dev/null +++ b/CryptoPP/cpu.cpp @@ -0,0 +1,199 @@ +// cpu.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "cpu.h" +#include "misc.h" +#include <algorithm> + +#ifndef CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY +#include <signal.h> +#include <setjmp.h> +#endif + +#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE +#include <emmintrin.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef CRYPTOPP_CPUID_AVAILABLE + +#if _MSC_VER >= 1400 && CRYPTOPP_BOOL_X64 + +bool CpuId(word32 input, word32 *output) +{ + __cpuid((int *)output, input); + return true; +} + +#else + +#ifndef CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY +extern "C" { +typedef void (*SigHandler)(int); + +static jmp_buf s_jmpNoCPUID; +static void SigIllHandlerCPUID(int) +{ + longjmp(s_jmpNoCPUID, 1); +} + +static jmp_buf s_jmpNoSSE2; +static void SigIllHandlerSSE2(int) +{ + longjmp(s_jmpNoSSE2, 1); +} +} +#endif + +bool CpuId(word32 input, word32 *output) +{ +#ifdef CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY + __try + { + __asm + { + mov eax, input + cpuid + mov edi, output + mov [edi], eax + mov [edi+4], ebx + mov [edi+8], ecx + mov [edi+12], edx + } + } + __except (1) + { + return false; + } + return true; +#else + SigHandler oldHandler = signal(SIGILL, SigIllHandlerCPUID); + if (oldHandler == SIG_ERR) + return false; + + bool result = true; + if (setjmp(s_jmpNoCPUID)) + result = false; + else + { + asm + ( + // save ebx in case -fPIC is being used +#if CRYPTOPP_BOOL_X86 + "push %%ebx; cpuid; mov %%ebx, %%edi; pop %%ebx" +#else + "pushq %%rbx; cpuid; mov %%ebx, %%edi; popq %%rbx" +#endif + : "=a" (output[0]), "=D" (output[1]), "=c" (output[2]), "=d" (output[3]) + : "a" (input) + ); + } + + signal(SIGILL, oldHandler); + return result; +#endif +} + +#endif + +static bool TrySSE2() +{ +#if CRYPTOPP_BOOL_X64 + return true; +#elif defined(CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY) + __try + { +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + AS2(por xmm0, xmm0) // executing SSE2 instruction +#elif CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE + __m128i x = _mm_setzero_si128(); + return _mm_cvtsi128_si32(x) == 0; +#endif + } + __except (1) + { + return false; + } + return true; +#else + SigHandler oldHandler = signal(SIGILL, SigIllHandlerSSE2); + if (oldHandler == SIG_ERR) + return false; + + bool result = true; + if (setjmp(s_jmpNoSSE2)) + result = false; + else + { +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + __asm __volatile ("por %xmm0, %xmm0"); +#elif CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE + __m128i x = _mm_setzero_si128(); + result = _mm_cvtsi128_si32(x) == 0; +#endif + } + + signal(SIGILL, oldHandler); + return result; +#endif +} + +bool g_x86DetectionDone = false; +bool g_hasISSE = false, g_hasSSE2 = false, g_hasSSSE3 = false, g_hasMMX = false, g_hasAESNI = false, g_hasCLMUL = false, g_isP4 = false; +word32 g_cacheLineSize = CRYPTOPP_L1_CACHE_LINE_SIZE; + +void DetectX86Features() +{ + word32 cpuid[4], cpuid1[4]; + if (!CpuId(0, cpuid)) + return; + if (!CpuId(1, cpuid1)) + return; + + g_hasMMX = (cpuid1[3] & (1 << 23)) != 0; + if ((cpuid1[3] & (1 << 26)) != 0) + g_hasSSE2 = TrySSE2(); + g_hasSSSE3 = g_hasSSE2 && (cpuid1[2] & (1<<9)); + g_hasAESNI = g_hasSSE2 && (cpuid1[2] & (1<<25)); + g_hasCLMUL = g_hasSSE2 && (cpuid1[2] & (1<<1)); + + if ((cpuid1[3] & (1 << 25)) != 0) + g_hasISSE = true; + else + { + word32 cpuid2[4]; + CpuId(0x080000000, cpuid2); + if (cpuid2[0] >= 0x080000001) + { + CpuId(0x080000001, cpuid2); + g_hasISSE = (cpuid2[3] & (1 << 22)) != 0; + } + } + + std::swap(cpuid[2], cpuid[3]); + if (memcmp(cpuid+1, "GenuineIntel", 12) == 0) + { + g_isP4 = ((cpuid1[0] >> 8) & 0xf) == 0xf; + g_cacheLineSize = 8 * GETBYTE(cpuid1[1], 1); + } + else if (memcmp(cpuid+1, "AuthenticAMD", 12) == 0) + { + CpuId(0x80000005, cpuid); + g_cacheLineSize = GETBYTE(cpuid[2], 0); + } + + if (!g_cacheLineSize) + g_cacheLineSize = CRYPTOPP_L1_CACHE_LINE_SIZE; + + g_x86DetectionDone = true; +} + +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cpu.h b/CryptoPP/cpu.h new file mode 100644 index 000000000..65029d338 --- /dev/null +++ b/CryptoPP/cpu.h @@ -0,0 +1,345 @@ +#ifndef CRYPTOPP_CPU_H +#define CRYPTOPP_CPU_H + +#ifdef CRYPTOPP_GENERATE_X64_MASM + +#define CRYPTOPP_X86_ASM_AVAILABLE +#define CRYPTOPP_BOOL_X64 1 +#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1 +#define NAMESPACE_END + +#else + +#include "config.h" + +#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE +#include <emmintrin.h> +#endif + +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE +#if !defined(__GNUC__) || defined(__SSSE3__) || defined(__INTEL_COMPILER) +#include <tmmintrin.h> +#else +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_shuffle_epi8 (__m128i a, __m128i b) +{ + asm ("pshufb %1, %0" : "+x"(a) : "xm"(b)); + return a; +} +#endif +#if !defined(__GNUC__) || defined(__SSE4_1__) || defined(__INTEL_COMPILER) +#include <smmintrin.h> +#else +__inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_extract_epi32 (__m128i a, const int i) +{ + int r; + asm ("pextrd %2, %1, %0" : "=rm"(r) : "x"(a), "i"(i)); + return r; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_insert_epi32 (__m128i a, int b, const int i) +{ + asm ("pinsrd %2, %1, %0" : "+x"(a) : "rm"(b), "i"(i)); + return a; +} +#endif +#if !defined(__GNUC__) || (defined(__AES__) && defined(__PCLMUL__)) || defined(__INTEL_COMPILER) +#include <wmmintrin.h> +#else +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_clmulepi64_si128 (__m128i a, __m128i b, const int i) +{ + asm ("pclmulqdq %2, %1, %0" : "+x"(a) : "xm"(b), "i"(i)); + return a; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aeskeygenassist_si128 (__m128i a, const int i) +{ + __m128i r; + asm ("aeskeygenassist %2, %1, %0" : "=x"(r) : "xm"(a), "i"(i)); + return r; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aesimc_si128 (__m128i a) +{ + __m128i r; + asm ("aesimc %1, %0" : "=x"(r) : "xm"(a)); + return r; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aesenc_si128 (__m128i a, __m128i b) +{ + asm ("aesenc %1, %0" : "+x"(a) : "xm"(b)); + return a; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aesenclast_si128 (__m128i a, __m128i b) +{ + asm ("aesenclast %1, %0" : "+x"(a) : "xm"(b)); + return a; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aesdec_si128 (__m128i a, __m128i b) +{ + asm ("aesdec %1, %0" : "+x"(a) : "xm"(b)); + return a; +} +__inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_mm_aesdeclast_si128 (__m128i a, __m128i b) +{ + asm ("aesdeclast %1, %0" : "+x"(a) : "xm"(b)); + return a; +} +#endif +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 + +#define CRYPTOPP_CPUID_AVAILABLE + +// these should not be used directly +extern CRYPTOPP_DLL bool g_x86DetectionDone; +extern CRYPTOPP_DLL bool g_hasSSSE3; +extern CRYPTOPP_DLL bool g_hasAESNI; +extern CRYPTOPP_DLL bool g_hasCLMUL; +extern CRYPTOPP_DLL bool g_isP4; +extern CRYPTOPP_DLL word32 g_cacheLineSize; +CRYPTOPP_DLL void CRYPTOPP_API DetectX86Features(); +CRYPTOPP_DLL bool CRYPTOPP_API CpuId(word32 input, word32 *output); + +#if CRYPTOPP_BOOL_X64 +inline bool HasSSE2() {return true;} +inline bool HasISSE() {return true;} +inline bool HasMMX() {return true;} +#else + +extern CRYPTOPP_DLL bool g_hasSSE2; +extern CRYPTOPP_DLL bool g_hasISSE; +extern CRYPTOPP_DLL bool g_hasMMX; + +inline bool HasSSE2() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasSSE2; +} + +inline bool HasISSE() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasISSE; +} + +inline bool HasMMX() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasMMX; +} + +#endif + +inline bool HasSSSE3() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasSSSE3; +} + +inline bool HasAESNI() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasAESNI; +} + +inline bool HasCLMUL() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasCLMUL; +} + +inline bool IsP4() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_isP4; +} + +inline int GetCacheLineSize() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_cacheLineSize; +} + +#else + +inline int GetCacheLineSize() +{ + return CRYPTOPP_L1_CACHE_LINE_SIZE; +} + +#endif + +#endif + +#ifdef CRYPTOPP_GENERATE_X64_MASM + #define AS1(x) x*newline* + #define AS2(x, y) x, y*newline* + #define AS3(x, y, z) x, y, z*newline* + #define ASS(x, y, a, b, c, d) x, y, a*64+b*16+c*4+d*newline* + #define ASL(x) label##x:*newline* + #define ASJ(x, y, z) x label##y*newline* + #define ASC(x, y) x label##y*newline* + #define AS_HEX(y) 0##y##h +#elif defined(_MSC_VER) || defined(__BORLANDC__) + #define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY + #define AS1(x) __asm {x} + #define AS2(x, y) __asm {x, y} + #define AS3(x, y, z) __asm {x, y, z} + #define ASS(x, y, a, b, c, d) __asm {x, y, (a)*64+(b)*16+(c)*4+(d)} + #define ASL(x) __asm {label##x:} + #define ASJ(x, y, z) __asm {x label##y} + #define ASC(x, y) __asm {x label##y} + #define CRYPTOPP_NAKED __declspec(naked) + #define AS_HEX(y) 0x##y +#else + #define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY + // define these in two steps to allow arguments to be expanded + #define GNU_AS1(x) #x ";" + #define GNU_AS2(x, y) #x ", " #y ";" + #define GNU_AS3(x, y, z) #x ", " #y ", " #z ";" + #define GNU_ASL(x) "\n" #x ":" + #define GNU_ASJ(x, y, z) #x " " #y #z ";" + #define AS1(x) GNU_AS1(x) + #define AS2(x, y) GNU_AS2(x, y) + #define AS3(x, y, z) GNU_AS3(x, y, z) + #define ASS(x, y, a, b, c, d) #x ", " #y ", " #a "*64+" #b "*16+" #c "*4+" #d ";" + #define ASL(x) GNU_ASL(x) + #define ASJ(x, y, z) GNU_ASJ(x, y, z) + #define ASC(x, y) #x " " #y ";" + #define CRYPTOPP_NAKED + #define AS_HEX(y) 0x##y +#endif + +#define IF0(y) +#define IF1(y) y + +#ifdef CRYPTOPP_GENERATE_X64_MASM +#define ASM_MOD(x, y) ((x) MOD (y)) +#define XMMWORD_PTR XMMWORD PTR +#else +// GNU assembler doesn't seem to have mod operator +#define ASM_MOD(x, y) ((x)-((x)/(y))*(y)) +// GAS 2.15 doesn't support XMMWORD PTR. it seems necessary only for MASM +#define XMMWORD_PTR +#endif + +#if CRYPTOPP_BOOL_X86 + #define AS_REG_1 ecx + #define AS_REG_2 edx + #define AS_REG_3 esi + #define AS_REG_4 edi + #define AS_REG_5 eax + #define AS_REG_6 ebx + #define AS_REG_7 ebp + #define AS_REG_1d ecx + #define AS_REG_2d edx + #define AS_REG_3d esi + #define AS_REG_4d edi + #define AS_REG_5d eax + #define AS_REG_6d ebx + #define AS_REG_7d ebp + #define WORD_SZ 4 + #define WORD_REG(x) e##x + #define WORD_PTR DWORD PTR + #define AS_PUSH_IF86(x) AS1(push e##x) + #define AS_POP_IF86(x) AS1(pop e##x) + #define AS_JCXZ jecxz +#elif CRYPTOPP_BOOL_X64 + #ifdef CRYPTOPP_GENERATE_X64_MASM + #define AS_REG_1 rcx + #define AS_REG_2 rdx + #define AS_REG_3 r8 + #define AS_REG_4 r9 + #define AS_REG_5 rax + #define AS_REG_6 r10 + #define AS_REG_7 r11 + #define AS_REG_1d ecx + #define AS_REG_2d edx + #define AS_REG_3d r8d + #define AS_REG_4d r9d + #define AS_REG_5d eax + #define AS_REG_6d r10d + #define AS_REG_7d r11d + #else + #define AS_REG_1 rdi + #define AS_REG_2 rsi + #define AS_REG_3 rdx + #define AS_REG_4 rcx + #define AS_REG_5 r8 + #define AS_REG_6 r9 + #define AS_REG_7 r10 + #define AS_REG_1d edi + #define AS_REG_2d esi + #define AS_REG_3d edx + #define AS_REG_4d ecx + #define AS_REG_5d r8d + #define AS_REG_6d r9d + #define AS_REG_7d r10d + #endif + #define WORD_SZ 8 + #define WORD_REG(x) r##x + #define WORD_PTR QWORD PTR + #define AS_PUSH_IF86(x) + #define AS_POP_IF86(x) + #define AS_JCXZ jrcxz +#endif + +// helper macro for stream cipher output +#define AS_XMM_OUTPUT4(labelPrefix, inputPtr, outputPtr, x0, x1, x2, x3, t, p0, p1, p2, p3, increment)\ + AS2( test inputPtr, inputPtr)\ + ASC( jz, labelPrefix##3)\ + AS2( test inputPtr, 15)\ + ASC( jnz, labelPrefix##7)\ + AS2( pxor xmm##x0, [inputPtr+p0*16])\ + AS2( pxor xmm##x1, [inputPtr+p1*16])\ + AS2( pxor xmm##x2, [inputPtr+p2*16])\ + AS2( pxor xmm##x3, [inputPtr+p3*16])\ + AS2( add inputPtr, increment*16)\ + ASC( jmp, labelPrefix##3)\ + ASL(labelPrefix##7)\ + AS2( movdqu xmm##t, [inputPtr+p0*16])\ + AS2( pxor xmm##x0, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p1*16])\ + AS2( pxor xmm##x1, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p2*16])\ + AS2( pxor xmm##x2, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p3*16])\ + AS2( pxor xmm##x3, xmm##t)\ + AS2( add inputPtr, increment*16)\ + ASL(labelPrefix##3)\ + AS2( test outputPtr, 15)\ + ASC( jnz, labelPrefix##8)\ + AS2( movdqa [outputPtr+p0*16], xmm##x0)\ + AS2( movdqa [outputPtr+p1*16], xmm##x1)\ + AS2( movdqa [outputPtr+p2*16], xmm##x2)\ + AS2( movdqa [outputPtr+p3*16], xmm##x3)\ + ASC( jmp, labelPrefix##9)\ + ASL(labelPrefix##8)\ + AS2( movdqu [outputPtr+p0*16], xmm##x0)\ + AS2( movdqu [outputPtr+p1*16], xmm##x1)\ + AS2( movdqu [outputPtr+p2*16], xmm##x2)\ + AS2( movdqu [outputPtr+p3*16], xmm##x3)\ + ASL(labelPrefix##9)\ + AS2( add outputPtr, increment*16) + +NAMESPACE_END + +#endif diff --git a/CryptoPP/crc.cpp b/CryptoPP/crc.cpp new file mode 100644 index 000000000..10c25c257 --- /dev/null +++ b/CryptoPP/crc.cpp @@ -0,0 +1,160 @@ +// crc.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "crc.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +/* Table of CRC-32's of all single byte values (made by makecrc.c) */ +const word32 CRC32::m_tab[] = { +#ifdef IS_LITTLE_ENDIAN + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL +#else + 0x00000000L, 0x96300777L, 0x2c610eeeL, 0xba510999L, 0x19c46d07L, + 0x8ff46a70L, 0x35a563e9L, 0xa395649eL, 0x3288db0eL, 0xa4b8dc79L, + 0x1ee9d5e0L, 0x88d9d297L, 0x2b4cb609L, 0xbd7cb17eL, 0x072db8e7L, + 0x911dbf90L, 0x6410b71dL, 0xf220b06aL, 0x4871b9f3L, 0xde41be84L, + 0x7dd4da1aL, 0xebe4dd6dL, 0x51b5d4f4L, 0xc785d383L, 0x56986c13L, + 0xc0a86b64L, 0x7af962fdL, 0xecc9658aL, 0x4f5c0114L, 0xd96c0663L, + 0x633d0ffaL, 0xf50d088dL, 0xc8206e3bL, 0x5e10694cL, 0xe44160d5L, + 0x727167a2L, 0xd1e4033cL, 0x47d4044bL, 0xfd850dd2L, 0x6bb50aa5L, + 0xfaa8b535L, 0x6c98b242L, 0xd6c9bbdbL, 0x40f9bcacL, 0xe36cd832L, + 0x755cdf45L, 0xcf0dd6dcL, 0x593dd1abL, 0xac30d926L, 0x3a00de51L, + 0x8051d7c8L, 0x1661d0bfL, 0xb5f4b421L, 0x23c4b356L, 0x9995bacfL, + 0x0fa5bdb8L, 0x9eb80228L, 0x0888055fL, 0xb2d90cc6L, 0x24e90bb1L, + 0x877c6f2fL, 0x114c6858L, 0xab1d61c1L, 0x3d2d66b6L, 0x9041dc76L, + 0x0671db01L, 0xbc20d298L, 0x2a10d5efL, 0x8985b171L, 0x1fb5b606L, + 0xa5e4bf9fL, 0x33d4b8e8L, 0xa2c90778L, 0x34f9000fL, 0x8ea80996L, + 0x18980ee1L, 0xbb0d6a7fL, 0x2d3d6d08L, 0x976c6491L, 0x015c63e6L, + 0xf4516b6bL, 0x62616c1cL, 0xd8306585L, 0x4e0062f2L, 0xed95066cL, + 0x7ba5011bL, 0xc1f40882L, 0x57c40ff5L, 0xc6d9b065L, 0x50e9b712L, + 0xeab8be8bL, 0x7c88b9fcL, 0xdf1ddd62L, 0x492dda15L, 0xf37cd38cL, + 0x654cd4fbL, 0x5861b24dL, 0xce51b53aL, 0x7400bca3L, 0xe230bbd4L, + 0x41a5df4aL, 0xd795d83dL, 0x6dc4d1a4L, 0xfbf4d6d3L, 0x6ae96943L, + 0xfcd96e34L, 0x468867adL, 0xd0b860daL, 0x732d0444L, 0xe51d0333L, + 0x5f4c0aaaL, 0xc97c0dddL, 0x3c710550L, 0xaa410227L, 0x10100bbeL, + 0x86200cc9L, 0x25b56857L, 0xb3856f20L, 0x09d466b9L, 0x9fe461ceL, + 0x0ef9de5eL, 0x98c9d929L, 0x2298d0b0L, 0xb4a8d7c7L, 0x173db359L, + 0x810db42eL, 0x3b5cbdb7L, 0xad6cbac0L, 0x2083b8edL, 0xb6b3bf9aL, + 0x0ce2b603L, 0x9ad2b174L, 0x3947d5eaL, 0xaf77d29dL, 0x1526db04L, + 0x8316dc73L, 0x120b63e3L, 0x843b6494L, 0x3e6a6d0dL, 0xa85a6a7aL, + 0x0bcf0ee4L, 0x9dff0993L, 0x27ae000aL, 0xb19e077dL, 0x44930ff0L, + 0xd2a30887L, 0x68f2011eL, 0xfec20669L, 0x5d5762f7L, 0xcb676580L, + 0x71366c19L, 0xe7066b6eL, 0x761bd4feL, 0xe02bd389L, 0x5a7ada10L, + 0xcc4add67L, 0x6fdfb9f9L, 0xf9efbe8eL, 0x43beb717L, 0xd58eb060L, + 0xe8a3d6d6L, 0x7e93d1a1L, 0xc4c2d838L, 0x52f2df4fL, 0xf167bbd1L, + 0x6757bca6L, 0xdd06b53fL, 0x4b36b248L, 0xda2b0dd8L, 0x4c1b0aafL, + 0xf64a0336L, 0x607a0441L, 0xc3ef60dfL, 0x55df67a8L, 0xef8e6e31L, + 0x79be6946L, 0x8cb361cbL, 0x1a8366bcL, 0xa0d26f25L, 0x36e26852L, + 0x95770cccL, 0x03470bbbL, 0xb9160222L, 0x2f260555L, 0xbe3bbac5L, + 0x280bbdb2L, 0x925ab42bL, 0x046ab35cL, 0xa7ffd7c2L, 0x31cfd0b5L, + 0x8b9ed92cL, 0x1daede5bL, 0xb0c2649bL, 0x26f263ecL, 0x9ca36a75L, + 0x0a936d02L, 0xa906099cL, 0x3f360eebL, 0x85670772L, 0x13570005L, + 0x824abf95L, 0x147ab8e2L, 0xae2bb17bL, 0x381bb60cL, 0x9b8ed292L, + 0x0dbed5e5L, 0xb7efdc7cL, 0x21dfdb0bL, 0xd4d2d386L, 0x42e2d4f1L, + 0xf8b3dd68L, 0x6e83da1fL, 0xcd16be81L, 0x5b26b9f6L, 0xe177b06fL, + 0x7747b718L, 0xe65a0888L, 0x706a0fffL, 0xca3b0666L, 0x5c0b0111L, + 0xff9e658fL, 0x69ae62f8L, 0xd3ff6b61L, 0x45cf6c16L, 0x78e20aa0L, + 0xeed20dd7L, 0x5483044eL, 0xc2b30339L, 0x612667a7L, 0xf71660d0L, + 0x4d476949L, 0xdb776e3eL, 0x4a6ad1aeL, 0xdc5ad6d9L, 0x660bdf40L, + 0xf03bd837L, 0x53aebca9L, 0xc59ebbdeL, 0x7fcfb247L, 0xe9ffb530L, + 0x1cf2bdbdL, 0x8ac2bacaL, 0x3093b353L, 0xa6a3b424L, 0x0536d0baL, + 0x9306d7cdL, 0x2957de54L, 0xbf67d923L, 0x2e7a66b3L, 0xb84a61c4L, + 0x021b685dL, 0x942b6f2aL, 0x37be0bb4L, 0xa18e0cc3L, 0x1bdf055aL, + 0x8def022dL +#endif +}; + +CRC32::CRC32() +{ + Reset(); +} + +void CRC32::Update(const byte *s, size_t n) +{ + word32 crc = m_crc; + + for(; !IsAligned<word32>(s) && n > 0; n--) + crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc); + + while (n >= 4) + { + crc ^= *(const word32 *)s; + crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc); + crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc); + crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc); + crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc); + n -= 4; + s += 4; + } + + while (n--) + crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc); + + m_crc = crc; +} + +void CRC32::TruncatedFinal(byte *hash, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + m_crc ^= CRC32_NEGL; + for (size_t i=0; i<size; i++) + hash[i] = GetCrcByte(i); + + Reset(); +} + +NAMESPACE_END diff --git a/CryptoPP/crc.h b/CryptoPP/crc.h new file mode 100644 index 000000000..f75ea384c --- /dev/null +++ b/CryptoPP/crc.h @@ -0,0 +1,42 @@ +#ifndef CRYPTOPP_CRC32_H +#define CRYPTOPP_CRC32_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +const word32 CRC32_NEGL = 0xffffffffL; + +#ifdef IS_LITTLE_ENDIAN +#define CRC32_INDEX(c) (c & 0xff) +#define CRC32_SHIFTED(c) (c >> 8) +#else +#define CRC32_INDEX(c) (c >> 24) +#define CRC32_SHIFTED(c) (c << 8) +#endif + +//! CRC Checksum Calculation +class CRC32 : public HashTransformation +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE = 4) + CRC32(); + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *hash, size_t size); + unsigned int DigestSize() const {return DIGESTSIZE;} + static const char * StaticAlgorithmName() {return "CRC32";} + std::string AlgorithmName() const {return StaticAlgorithmName();} + + void UpdateByte(byte b) {m_crc = m_tab[CRC32_INDEX(m_crc) ^ b] ^ CRC32_SHIFTED(m_crc);} + byte GetCrcByte(size_t i) const {return ((byte *)&(m_crc))[i];} + +private: + void Reset() {m_crc = CRC32_NEGL;} + + static const word32 m_tab[256]; + word32 m_crc; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cryptlib.cpp b/CryptoPP/cryptlib.cpp new file mode 100644 index 000000000..df138ddb0 --- /dev/null +++ b/CryptoPP/cryptlib.cpp @@ -0,0 +1,828 @@ +// cryptlib.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "cryptlib.h" +#include "misc.h" +#include "filters.h" +#include "algparam.h" +#include "fips140.h" +#include "argnames.h" +#include "fltrimpl.h" +#include "trdlocal.h" +#include "osrng.h" + +#include <memory> + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_COMPILE_ASSERT(sizeof(byte) == 1); +CRYPTOPP_COMPILE_ASSERT(sizeof(word16) == 2); +CRYPTOPP_COMPILE_ASSERT(sizeof(word32) == 4); +CRYPTOPP_COMPILE_ASSERT(sizeof(word64) == 8); +#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE +CRYPTOPP_COMPILE_ASSERT(sizeof(dword) == 2*sizeof(word)); +#endif + +const std::string DEFAULT_CHANNEL; +const std::string AAD_CHANNEL = "AAD"; +const std::string &BufferedTransformation::NULL_CHANNEL = DEFAULT_CHANNEL; + +class NullNameValuePairs : public NameValuePairs +{ +public: + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const {return false;} +}; + +simple_ptr<NullNameValuePairs> s_pNullNameValuePairs(new NullNameValuePairs); +const NameValuePairs &g_nullNameValuePairs = *s_pNullNameValuePairs.m_p; + +BufferedTransformation & TheBitBucket() +{ + static BitBucket bitBucket; + return bitBucket; +} + +Algorithm::Algorithm(bool checkSelfTestStatus) +{ + if (checkSelfTestStatus && FIPS_140_2_ComplianceEnabled()) + { + if (GetPowerUpSelfTestStatus() == POWER_UP_SELF_TEST_NOT_DONE && !PowerUpSelfTestInProgressOnThisThread()) + throw SelfTestFailure("Cryptographic algorithms are disabled before the power-up self tests are performed."); + + if (GetPowerUpSelfTestStatus() == POWER_UP_SELF_TEST_FAILED) + throw SelfTestFailure("Cryptographic algorithms are disabled after a power-up self test failed."); + } +} + +void SimpleKeyingInterface::SetKey(const byte *key, size_t length, const NameValuePairs ¶ms) +{ + this->ThrowIfInvalidKeyLength(length); + this->UncheckedSetKey(key, (unsigned int)length, params); +} + +void SimpleKeyingInterface::SetKeyWithRounds(const byte *key, size_t length, int rounds) +{ + SetKey(key, length, MakeParameters(Name::Rounds(), rounds)); +} + +void SimpleKeyingInterface::SetKeyWithIV(const byte *key, size_t length, const byte *iv, size_t ivLength) +{ + SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, ivLength))); +} + +void SimpleKeyingInterface::ThrowIfInvalidKeyLength(size_t length) +{ + if (!IsValidKeyLength(length)) + throw InvalidKeyLength(GetAlgorithm().AlgorithmName(), length); +} + +void SimpleKeyingInterface::ThrowIfResynchronizable() +{ + if (IsResynchronizable()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": this object requires an IV"); +} + +void SimpleKeyingInterface::ThrowIfInvalidIV(const byte *iv) +{ + if (!iv && IVRequirement() == UNPREDICTABLE_RANDOM_IV) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": this object cannot use a null IV"); +} + +size_t SimpleKeyingInterface::ThrowIfInvalidIVLength(int size) +{ + if (size < 0) + return IVSize(); + else if ((size_t)size < MinIVLength()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": IV length " + IntToString(size) + " is less than the minimum of " + IntToString(MinIVLength())); + else if ((size_t)size > MaxIVLength()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": IV length " + IntToString(size) + " exceeds the maximum of " + IntToString(MaxIVLength())); + else + return size; +} + +const byte * SimpleKeyingInterface::GetIVAndThrowIfInvalid(const NameValuePairs ¶ms, size_t &size) +{ + ConstByteArrayParameter ivWithLength; + const byte *iv; + bool found = false; + + try {found = params.GetValue(Name::IV(), ivWithLength);} + catch (const NameValuePairs::ValueTypeMismatch &) {} + + if (found) + { + iv = ivWithLength.begin(); + ThrowIfInvalidIV(iv); + size = ThrowIfInvalidIVLength((int)ivWithLength.size()); + return iv; + } + else if (params.GetValue(Name::IV(), iv)) + { + ThrowIfInvalidIV(iv); + size = IVSize(); + return iv; + } + else + { + ThrowIfResynchronizable(); + size = 0; + return NULL; + } +} + +void SimpleKeyingInterface::GetNextIV(RandomNumberGenerator &rng, byte *IV) +{ + rng.GenerateBlock(IV, IVSize()); +} + +size_t BlockTransformation::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const +{ + size_t blockSize = BlockSize(); + size_t inIncrement = (flags & (BT_InBlockIsCounter|BT_DontIncrementInOutPointers)) ? 0 : blockSize; + size_t xorIncrement = xorBlocks ? blockSize : 0; + size_t outIncrement = (flags & BT_DontIncrementInOutPointers) ? 0 : blockSize; + + if (flags & BT_ReverseDirection) + { + assert(length % blockSize == 0); + inBlocks += length - blockSize; + xorBlocks += length - blockSize; + outBlocks += length - blockSize; + inIncrement = 0-inIncrement; + xorIncrement = 0-xorIncrement; + outIncrement = 0-outIncrement; + } + + while (length >= blockSize) + { + if (flags & BT_XorInput) + { + xorbuf(outBlocks, xorBlocks, inBlocks, blockSize); + ProcessBlock(outBlocks); + } + else + ProcessAndXorBlock(inBlocks, xorBlocks, outBlocks); + if (flags & BT_InBlockIsCounter) + const_cast<byte *>(inBlocks)[blockSize-1]++; + inBlocks += inIncrement; + outBlocks += outIncrement; + xorBlocks += xorIncrement; + length -= blockSize; + } + + return length; +} + +unsigned int BlockTransformation::OptimalDataAlignment() const +{ + return GetAlignmentOf<word32>(); +} + +unsigned int StreamTransformation::OptimalDataAlignment() const +{ + return GetAlignmentOf<word32>(); +} + +unsigned int HashTransformation::OptimalDataAlignment() const +{ + return GetAlignmentOf<word32>(); +} + +void StreamTransformation::ProcessLastBlock(byte *outString, const byte *inString, size_t length) +{ + assert(MinLastBlockSize() == 0); // this function should be overriden otherwise + + if (length == MandatoryBlockSize()) + ProcessData(outString, inString, length); + else if (length != 0) + throw NotImplemented(AlgorithmName() + ": this object does't support a special last block"); +} + +void AuthenticatedSymmetricCipher::SpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength) +{ + if (headerLength > MaxHeaderLength()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": header length " + IntToString(headerLength) + " exceeds the maximum of " + IntToString(MaxHeaderLength())); + + if (messageLength > MaxMessageLength()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": message length " + IntToString(messageLength) + " exceeds the maximum of " + IntToString(MaxMessageLength())); + + if (footerLength > MaxFooterLength()) + throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": footer length " + IntToString(footerLength) + " exceeds the maximum of " + IntToString(MaxFooterLength())); + + UncheckedSpecifyDataLengths(headerLength, messageLength, footerLength); +} + +void AuthenticatedSymmetricCipher::EncryptAndAuthenticate(byte *ciphertext, byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *message, size_t messageLength) +{ + Resynchronize(iv, ivLength); + SpecifyDataLengths(headerLength, messageLength); + Update(header, headerLength); + ProcessString(ciphertext, message, messageLength); + TruncatedFinal(mac, macSize); +} + +bool AuthenticatedSymmetricCipher::DecryptAndVerify(byte *message, const byte *mac, size_t macLength, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *ciphertext, size_t ciphertextLength) +{ + Resynchronize(iv, ivLength); + SpecifyDataLengths(headerLength, ciphertextLength); + Update(header, headerLength); + ProcessString(message, ciphertext, ciphertextLength); + return TruncatedVerify(mac, macLength); +} + +unsigned int RandomNumberGenerator::GenerateBit() +{ + return GenerateByte() & 1; +} + +byte RandomNumberGenerator::GenerateByte() +{ + byte b; + GenerateBlock(&b, 1); + return b; +} + +word32 RandomNumberGenerator::GenerateWord32(word32 min, word32 max) +{ + word32 range = max-min; + const int maxBits = BitPrecision(range); + + word32 value; + + do + { + GenerateBlock((byte *)&value, sizeof(value)); + value = Crop(value, maxBits); + } while (value > range); + + return value+min; +} + +void RandomNumberGenerator::GenerateBlock(byte *output, size_t size) +{ + ArraySink s(output, size); + GenerateIntoBufferedTransformation(s, DEFAULT_CHANNEL, size); +} + +void RandomNumberGenerator::DiscardBytes(size_t n) +{ + GenerateIntoBufferedTransformation(TheBitBucket(), DEFAULT_CHANNEL, n); +} + +void RandomNumberGenerator::GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword length) +{ + FixedSizeSecBlock<byte, 256> buffer; + while (length) + { + size_t len = UnsignedMin(buffer.size(), length); + GenerateBlock(buffer, len); + target.ChannelPut(channel, buffer, len); + length -= len; + } +} + +//! see NullRNG() +class ClassNullRNG : public RandomNumberGenerator +{ +public: + std::string AlgorithmName() const {return "NullRNG";} + void GenerateBlock(byte *output, size_t size) {throw NotImplemented("NullRNG: NullRNG should only be passed to functions that don't need to generate random bytes");} +}; + +RandomNumberGenerator & NullRNG() +{ + static ClassNullRNG s_nullRNG; + return s_nullRNG; +} + +bool HashTransformation::TruncatedVerify(const byte *digestIn, size_t digestLength) +{ + ThrowIfInvalidTruncatedSize(digestLength); + SecByteBlock digest(digestLength); + TruncatedFinal(digest, digestLength); + return VerifyBufsEqual(digest, digestIn, digestLength); +} + +void HashTransformation::ThrowIfInvalidTruncatedSize(size_t size) const +{ + if (size > DigestSize()) + throw InvalidArgument("HashTransformation: can't truncate a " + IntToString(DigestSize()) + " byte digest to " + IntToString(size) + " bytes"); +} + +unsigned int BufferedTransformation::GetMaxWaitObjectCount() const +{ + const BufferedTransformation *t = AttachedTransformation(); + return t ? t->GetMaxWaitObjectCount() : 0; +} + +void BufferedTransformation::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + BufferedTransformation *t = AttachedTransformation(); + if (t) + t->GetWaitObjects(container, callStack); // reduce clutter by not adding to stack here +} + +void BufferedTransformation::Initialize(const NameValuePairs ¶meters, int propagation) +{ + assert(!AttachedTransformation()); + IsolatedInitialize(parameters); +} + +bool BufferedTransformation::Flush(bool hardFlush, int propagation, bool blocking) +{ + assert(!AttachedTransformation()); + return IsolatedFlush(hardFlush, blocking); +} + +bool BufferedTransformation::MessageSeriesEnd(int propagation, bool blocking) +{ + assert(!AttachedTransformation()); + return IsolatedMessageSeriesEnd(blocking); +} + +byte * BufferedTransformation::ChannelCreatePutSpace(const std::string &channel, size_t &size) +{ + if (channel.empty()) + return CreatePutSpace(size); + else + throw NoChannelSupport(AlgorithmName()); +} + +size_t BufferedTransformation::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (channel.empty()) + return Put2(begin, length, messageEnd, blocking); + else + throw NoChannelSupport(AlgorithmName()); +} + +size_t BufferedTransformation::ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (channel.empty()) + return PutModifiable2(begin, length, messageEnd, blocking); + else + return ChannelPut2(channel, begin, length, messageEnd, blocking); +} + +bool BufferedTransformation::ChannelFlush(const std::string &channel, bool completeFlush, int propagation, bool blocking) +{ + if (channel.empty()) + return Flush(completeFlush, propagation, blocking); + else + throw NoChannelSupport(AlgorithmName()); +} + +bool BufferedTransformation::ChannelMessageSeriesEnd(const std::string &channel, int propagation, bool blocking) +{ + if (channel.empty()) + return MessageSeriesEnd(propagation, blocking); + else + throw NoChannelSupport(AlgorithmName()); +} + +lword BufferedTransformation::MaxRetrievable() const +{ + if (AttachedTransformation()) + return AttachedTransformation()->MaxRetrievable(); + else + return CopyTo(TheBitBucket()); +} + +bool BufferedTransformation::AnyRetrievable() const +{ + if (AttachedTransformation()) + return AttachedTransformation()->AnyRetrievable(); + else + { + byte b; + return Peek(b) != 0; + } +} + +size_t BufferedTransformation::Get(byte &outByte) +{ + if (AttachedTransformation()) + return AttachedTransformation()->Get(outByte); + else + return Get(&outByte, 1); +} + +size_t BufferedTransformation::Get(byte *outString, size_t getMax) +{ + if (AttachedTransformation()) + return AttachedTransformation()->Get(outString, getMax); + else + { + ArraySink arraySink(outString, getMax); + return (size_t)TransferTo(arraySink, getMax); + } +} + +size_t BufferedTransformation::Peek(byte &outByte) const +{ + if (AttachedTransformation()) + return AttachedTransformation()->Peek(outByte); + else + return Peek(&outByte, 1); +} + +size_t BufferedTransformation::Peek(byte *outString, size_t peekMax) const +{ + if (AttachedTransformation()) + return AttachedTransformation()->Peek(outString, peekMax); + else + { + ArraySink arraySink(outString, peekMax); + return (size_t)CopyTo(arraySink, peekMax); + } +} + +lword BufferedTransformation::Skip(lword skipMax) +{ + if (AttachedTransformation()) + return AttachedTransformation()->Skip(skipMax); + else + return TransferTo(TheBitBucket(), skipMax); +} + +lword BufferedTransformation::TotalBytesRetrievable() const +{ + if (AttachedTransformation()) + return AttachedTransformation()->TotalBytesRetrievable(); + else + return MaxRetrievable(); +} + +unsigned int BufferedTransformation::NumberOfMessages() const +{ + if (AttachedTransformation()) + return AttachedTransformation()->NumberOfMessages(); + else + return CopyMessagesTo(TheBitBucket()); +} + +bool BufferedTransformation::AnyMessages() const +{ + if (AttachedTransformation()) + return AttachedTransformation()->AnyMessages(); + else + return NumberOfMessages() != 0; +} + +bool BufferedTransformation::GetNextMessage() +{ + if (AttachedTransformation()) + return AttachedTransformation()->GetNextMessage(); + else + { + assert(!AnyMessages()); + return false; + } +} + +unsigned int BufferedTransformation::SkipMessages(unsigned int count) +{ + if (AttachedTransformation()) + return AttachedTransformation()->SkipMessages(count); + else + return TransferMessagesTo(TheBitBucket(), count); +} + +size_t BufferedTransformation::TransferMessagesTo2(BufferedTransformation &target, unsigned int &messageCount, const std::string &channel, bool blocking) +{ + if (AttachedTransformation()) + return AttachedTransformation()->TransferMessagesTo2(target, messageCount, channel, blocking); + else + { + unsigned int maxMessages = messageCount; + for (messageCount=0; messageCount < maxMessages && AnyMessages(); messageCount++) + { + size_t blockedBytes; + lword transferredBytes; + + while (AnyRetrievable()) + { + transferredBytes = LWORD_MAX; + blockedBytes = TransferTo2(target, transferredBytes, channel, blocking); + if (blockedBytes > 0) + return blockedBytes; + } + + if (target.ChannelMessageEnd(channel, GetAutoSignalPropagation(), blocking)) + return 1; + + bool result = GetNextMessage(); + assert(result); + } + return 0; + } +} + +unsigned int BufferedTransformation::CopyMessagesTo(BufferedTransformation &target, unsigned int count, const std::string &channel) const +{ + if (AttachedTransformation()) + return AttachedTransformation()->CopyMessagesTo(target, count, channel); + else + return 0; +} + +void BufferedTransformation::SkipAll() +{ + if (AttachedTransformation()) + AttachedTransformation()->SkipAll(); + else + { + while (SkipMessages()) {} + while (Skip()) {} + } +} + +size_t BufferedTransformation::TransferAllTo2(BufferedTransformation &target, const std::string &channel, bool blocking) +{ + if (AttachedTransformation()) + return AttachedTransformation()->TransferAllTo2(target, channel, blocking); + else + { + assert(!NumberOfMessageSeries()); + + unsigned int messageCount; + do + { + messageCount = UINT_MAX; + size_t blockedBytes = TransferMessagesTo2(target, messageCount, channel, blocking); + if (blockedBytes) + return blockedBytes; + } + while (messageCount != 0); + + lword byteCount; + do + { + byteCount = ULONG_MAX; + size_t blockedBytes = TransferTo2(target, byteCount, channel, blocking); + if (blockedBytes) + return blockedBytes; + } + while (byteCount != 0); + + return 0; + } +} + +void BufferedTransformation::CopyAllTo(BufferedTransformation &target, const std::string &channel) const +{ + if (AttachedTransformation()) + AttachedTransformation()->CopyAllTo(target, channel); + else + { + assert(!NumberOfMessageSeries()); + while (CopyMessagesTo(target, UINT_MAX, channel)) {} + } +} + +void BufferedTransformation::SetRetrievalChannel(const std::string &channel) +{ + if (AttachedTransformation()) + AttachedTransformation()->SetRetrievalChannel(channel); +} + +size_t BufferedTransformation::ChannelPutWord16(const std::string &channel, word16 value, ByteOrder order, bool blocking) +{ + PutWord(false, order, m_buf, value); + return ChannelPut(channel, m_buf, 2, blocking); +} + +size_t BufferedTransformation::ChannelPutWord32(const std::string &channel, word32 value, ByteOrder order, bool blocking) +{ + PutWord(false, order, m_buf, value); + return ChannelPut(channel, m_buf, 4, blocking); +} + +size_t BufferedTransformation::PutWord16(word16 value, ByteOrder order, bool blocking) +{ + return ChannelPutWord16(DEFAULT_CHANNEL, value, order, blocking); +} + +size_t BufferedTransformation::PutWord32(word32 value, ByteOrder order, bool blocking) +{ + return ChannelPutWord32(DEFAULT_CHANNEL, value, order, blocking); +} + +size_t BufferedTransformation::PeekWord16(word16 &value, ByteOrder order) const +{ + byte buf[2] = {0, 0}; + size_t len = Peek(buf, 2); + + if (order) + value = (buf[0] << 8) | buf[1]; + else + value = (buf[1] << 8) | buf[0]; + + return len; +} + +size_t BufferedTransformation::PeekWord32(word32 &value, ByteOrder order) const +{ + byte buf[4] = {0, 0, 0, 0}; + size_t len = Peek(buf, 4); + + if (order) + value = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf [3]; + else + value = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf [0]; + + return len; +} + +size_t BufferedTransformation::GetWord16(word16 &value, ByteOrder order) +{ + return (size_t)Skip(PeekWord16(value, order)); +} + +size_t BufferedTransformation::GetWord32(word32 &value, ByteOrder order) +{ + return (size_t)Skip(PeekWord32(value, order)); +} + +void BufferedTransformation::Attach(BufferedTransformation *newOut) +{ + if (AttachedTransformation() && AttachedTransformation()->Attachable()) + AttachedTransformation()->Attach(newOut); + else + Detach(newOut); +} + +void GeneratableCryptoMaterial::GenerateRandomWithKeySize(RandomNumberGenerator &rng, unsigned int keySize) +{ + GenerateRandom(rng, MakeParameters("KeySize", (int)keySize)); +} + +class PK_DefaultEncryptionFilter : public Unflushable<Filter> +{ +public: + PK_DefaultEncryptionFilter(RandomNumberGenerator &rng, const PK_Encryptor &encryptor, BufferedTransformation *attachment, const NameValuePairs ¶meters) + : m_rng(rng), m_encryptor(encryptor), m_parameters(parameters) + { + Detach(attachment); + } + + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) + { + FILTER_BEGIN; + m_plaintextQueue.Put(inString, length); + + if (messageEnd) + { + { + size_t plaintextLength; + if (!SafeConvert(m_plaintextQueue.CurrentSize(), plaintextLength)) + throw InvalidArgument("PK_DefaultEncryptionFilter: plaintext too long"); + size_t ciphertextLength = m_encryptor.CiphertextLength(plaintextLength); + + SecByteBlock plaintext(plaintextLength); + m_plaintextQueue.Get(plaintext, plaintextLength); + m_ciphertext.resize(ciphertextLength); + m_encryptor.Encrypt(m_rng, plaintext, plaintextLength, m_ciphertext, m_parameters); + } + + FILTER_OUTPUT(1, m_ciphertext, m_ciphertext.size(), messageEnd); + } + FILTER_END_NO_MESSAGE_END; + } + + RandomNumberGenerator &m_rng; + const PK_Encryptor &m_encryptor; + const NameValuePairs &m_parameters; + ByteQueue m_plaintextQueue; + SecByteBlock m_ciphertext; +}; + +BufferedTransformation * PK_Encryptor::CreateEncryptionFilter(RandomNumberGenerator &rng, BufferedTransformation *attachment, const NameValuePairs ¶meters) const +{ + return new PK_DefaultEncryptionFilter(rng, *this, attachment, parameters); +} + +class PK_DefaultDecryptionFilter : public Unflushable<Filter> +{ +public: + PK_DefaultDecryptionFilter(RandomNumberGenerator &rng, const PK_Decryptor &decryptor, BufferedTransformation *attachment, const NameValuePairs ¶meters) + : m_rng(rng), m_decryptor(decryptor), m_parameters(parameters) + { + Detach(attachment); + } + + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) + { + FILTER_BEGIN; + m_ciphertextQueue.Put(inString, length); + + if (messageEnd) + { + { + size_t ciphertextLength; + if (!SafeConvert(m_ciphertextQueue.CurrentSize(), ciphertextLength)) + throw InvalidArgument("PK_DefaultDecryptionFilter: ciphertext too long"); + size_t maxPlaintextLength = m_decryptor.MaxPlaintextLength(ciphertextLength); + + SecByteBlock ciphertext(ciphertextLength); + m_ciphertextQueue.Get(ciphertext, ciphertextLength); + m_plaintext.resize(maxPlaintextLength); + m_result = m_decryptor.Decrypt(m_rng, ciphertext, ciphertextLength, m_plaintext, m_parameters); + if (!m_result.isValidCoding) + throw InvalidCiphertext(m_decryptor.AlgorithmName() + ": invalid ciphertext"); + } + + FILTER_OUTPUT(1, m_plaintext, m_result.messageLength, messageEnd); + } + FILTER_END_NO_MESSAGE_END; + } + + RandomNumberGenerator &m_rng; + const PK_Decryptor &m_decryptor; + const NameValuePairs &m_parameters; + ByteQueue m_ciphertextQueue; + SecByteBlock m_plaintext; + DecodingResult m_result; +}; + +BufferedTransformation * PK_Decryptor::CreateDecryptionFilter(RandomNumberGenerator &rng, BufferedTransformation *attachment, const NameValuePairs ¶meters) const +{ + return new PK_DefaultDecryptionFilter(rng, *this, attachment, parameters); +} + +size_t PK_Signer::Sign(RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const +{ + std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); + return SignAndRestart(rng, *m, signature, false); +} + +size_t PK_Signer::SignMessage(RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const +{ + std::auto_ptr<PK_MessageAccumulator> m(NewSignatureAccumulator(rng)); + m->Update(message, messageLen); + return SignAndRestart(rng, *m, signature, false); +} + +size_t PK_Signer::SignMessageWithRecovery(RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, + const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const +{ + std::auto_ptr<PK_MessageAccumulator> m(NewSignatureAccumulator(rng)); + InputRecoverableMessage(*m, recoverableMessage, recoverableMessageLength); + m->Update(nonrecoverableMessage, nonrecoverableMessageLength); + return SignAndRestart(rng, *m, signature, false); +} + +bool PK_Verifier::Verify(PK_MessageAccumulator *messageAccumulator) const +{ + std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); + return VerifyAndRestart(*m); +} + +bool PK_Verifier::VerifyMessage(const byte *message, size_t messageLen, const byte *signature, size_t signatureLength) const +{ + std::auto_ptr<PK_MessageAccumulator> m(NewVerificationAccumulator()); + InputSignature(*m, signature, signatureLength); + m->Update(message, messageLen); + return VerifyAndRestart(*m); +} + +DecodingResult PK_Verifier::Recover(byte *recoveredMessage, PK_MessageAccumulator *messageAccumulator) const +{ + std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); + return RecoverAndRestart(recoveredMessage, *m); +} + +DecodingResult PK_Verifier::RecoverMessage(byte *recoveredMessage, + const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, + const byte *signature, size_t signatureLength) const +{ + std::auto_ptr<PK_MessageAccumulator> m(NewVerificationAccumulator()); + InputSignature(*m, signature, signatureLength); + m->Update(nonrecoverableMessage, nonrecoverableMessageLength); + return RecoverAndRestart(recoveredMessage, *m); +} + +void SimpleKeyAgreementDomain::GenerateKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const +{ + GeneratePrivateKey(rng, privateKey); + GeneratePublicKey(rng, privateKey, publicKey); +} + +void AuthenticatedKeyAgreementDomain::GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const +{ + GenerateStaticPrivateKey(rng, privateKey); + GenerateStaticPublicKey(rng, privateKey, publicKey); +} + +void AuthenticatedKeyAgreementDomain::GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const +{ + GenerateEphemeralPrivateKey(rng, privateKey); + GenerateEphemeralPublicKey(rng, privateKey, publicKey); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/cryptlib.h b/CryptoPP/cryptlib.h new file mode 100644 index 000000000..0ad18de80 --- /dev/null +++ b/CryptoPP/cryptlib.h @@ -0,0 +1,1655 @@ +// cryptlib.h - written and placed in the public domain by Wei Dai +/*! \file + This file contains the declarations for the abstract base + classes that provide a uniform interface to this library. +*/ + +/*! \mainpage Crypto++ Library 5.6.1 API Reference +<dl> +<dt>Abstract Base Classes<dd> + cryptlib.h +<dt>Authenticated Encryption<dd> + AuthenticatedSymmetricCipherDocumentation +<dt>Symmetric Ciphers<dd> + SymmetricCipherDocumentation +<dt>Hash Functions<dd> + SHA1, SHA224, SHA256, SHA384, SHA512, Tiger, Whirlpool, RIPEMD160, RIPEMD320, RIPEMD128, RIPEMD256, Weak1::MD2, Weak1::MD4, Weak1::MD5 +<dt>Non-Cryptographic Checksums<dd> + CRC32, Adler32 +<dt>Message Authentication Codes<dd> + VMAC, HMAC, CBC_MAC, CMAC, DMAC, TTMAC, GCM (GMAC) +<dt>Random Number Generators<dd> + NullRNG(), LC_RNG, RandomPool, BlockingRng, NonblockingRng, AutoSeededRandomPool, AutoSeededX917RNG, #DefaultAutoSeededRNG +<dt>Password-based Cryptography<dd> + PasswordBasedKeyDerivationFunction +<dt>Public Key Cryptosystems<dd> + DLIES, ECIES, LUCES, RSAES, RabinES, LUC_IES +<dt>Public Key Signature Schemes<dd> + DSA, GDSA, ECDSA, NR, ECNR, LUCSS, RSASS, RSASS_ISO, RabinSS, RWSS, ESIGN +<dt>Key Agreement<dd> + #DH, DH2, #MQV, ECDH, ECMQV, XTR_DH +<dt>Algebraic Structures<dd> + Integer, PolynomialMod2, PolynomialOver, RingOfPolynomialsOver, + ModularArithmetic, MontgomeryRepresentation, GFP2_ONB, + GF2NP, GF256, GF2_32, EC2N, ECP +<dt>Secret Sharing and Information Dispersal<dd> + SecretSharing, SecretRecovery, InformationDispersal, InformationRecovery +<dt>Compression<dd> + Deflator, Inflator, Gzip, Gunzip, ZlibCompressor, ZlibDecompressor +<dt>Input Source Classes<dd> + StringSource, #ArraySource, FileSource, SocketSource, WindowsPipeSource, RandomNumberSource +<dt>Output Sink Classes<dd> + StringSinkTemplate, ArraySink, FileSink, SocketSink, WindowsPipeSink, RandomNumberSink +<dt>Filter Wrappers<dd> + StreamTransformationFilter, HashFilter, HashVerificationFilter, SignerFilter, SignatureVerificationFilter +<dt>Binary to Text Encoders and Decoders<dd> + HexEncoder, HexDecoder, Base64Encoder, Base64Decoder, Base32Encoder, Base32Decoder +<dt>Wrappers for OS features<dd> + Timer, Socket, WindowsHandle, ThreadLocalStorage, ThreadUserTimer +<dt>FIPS 140 related<dd> + fips140.h +</dl> + +In the DLL version of Crypto++, only the following implementation class are available. +<dl> +<dt>Block Ciphers<dd> + AES, DES_EDE2, DES_EDE3, SKIPJACK +<dt>Cipher Modes (replace template parameter BC with one of the block ciphers above)<dd> + ECB_Mode\<BC\>, CTR_Mode\<BC\>, CBC_Mode\<BC\>, CFB_FIPS_Mode\<BC\>, OFB_Mode\<BC\>, GCM\<AES\> +<dt>Hash Functions<dd> + SHA1, SHA224, SHA256, SHA384, SHA512 +<dt>Public Key Signature Schemes (replace template parameter H with one of the hash functions above)<dd> + RSASS\<PKCS1v15, H\>, RSASS\<PSS, H\>, RSASS_ISO\<H\>, RWSS\<P1363_EMSA2, H\>, DSA, ECDSA\<ECP, H\>, ECDSA\<EC2N, H\> +<dt>Message Authentication Codes (replace template parameter H with one of the hash functions above)<dd> + HMAC\<H\>, CBC_MAC\<DES_EDE2\>, CBC_MAC\<DES_EDE3\>, GCM\<AES\> +<dt>Random Number Generators<dd> + #DefaultAutoSeededRNG (AutoSeededX917RNG\<AES\>) +<dt>Key Agreement<dd> + #DH +<dt>Public Key Cryptosystems<dd> + RSAES\<OAEP\<SHA1\> \> +</dl> + +<p>This reference manual is a work in progress. Some classes are still lacking detailed descriptions. +<p>Click <a href="CryptoPPRef.zip">here</a> to download a zip archive containing this manual. +<p>Thanks to Ryan Phillips for providing the Doxygen configuration file +and getting me started with this manual. +*/ + +#ifndef CRYPTOPP_CRYPTLIB_H +#define CRYPTOPP_CRYPTLIB_H + +#include "config.h" +#include "stdcpp.h" + +NAMESPACE_BEGIN(CryptoPP) + +// forward declarations +class Integer; +class RandomNumberGenerator; +class BufferedTransformation; + +//! used to specify a direction for a cipher to operate in (encrypt or decrypt) +enum CipherDir {ENCRYPTION, DECRYPTION}; + +//! used to represent infinite time +const unsigned long INFINITE_TIME = ULONG_MAX; + +// VC60 workaround: using enums as template parameters causes problems +template <typename ENUM_TYPE, int VALUE> +struct EnumToType +{ + static ENUM_TYPE ToEnum() {return (ENUM_TYPE)VALUE;} +}; + +enum ByteOrder {LITTLE_ENDIAN_ORDER = 0, BIG_ENDIAN_ORDER = 1}; +typedef EnumToType<ByteOrder, LITTLE_ENDIAN_ORDER> LittleEndian; +typedef EnumToType<ByteOrder, BIG_ENDIAN_ORDER> BigEndian; + +//! base class for all exceptions thrown by Crypto++ +class CRYPTOPP_DLL Exception : public std::exception +{ +public: + //! error types + enum ErrorType { + //! a method is not implemented + NOT_IMPLEMENTED, + //! invalid function argument + INVALID_ARGUMENT, + //! BufferedTransformation received a Flush(true) signal but can't flush buffers + CANNOT_FLUSH, + //! data integerity check (such as CRC or MAC) failed + DATA_INTEGRITY_CHECK_FAILED, + //! received input data that doesn't conform to expected format + INVALID_DATA_FORMAT, + //! error reading from input device or writing to output device + IO_ERROR, + //! some error not belong to any of the above categories + OTHER_ERROR + }; + + explicit Exception(ErrorType errorType, const std::string &s) : m_errorType(errorType), m_what(s) {} + virtual ~Exception() throw() {} + const char *what() const throw() {return (m_what.c_str());} + const std::string &GetWhat() const {return m_what;} + void SetWhat(const std::string &s) {m_what = s;} + ErrorType GetErrorType() const {return m_errorType;} + void SetErrorType(ErrorType errorType) {m_errorType = errorType;} + +private: + ErrorType m_errorType; + std::string m_what; +}; + +//! exception thrown when an invalid argument is detected +class CRYPTOPP_DLL InvalidArgument : public Exception +{ +public: + explicit InvalidArgument(const std::string &s) : Exception(INVALID_ARGUMENT, s) {} +}; + +//! exception thrown when input data is received that doesn't conform to expected format +class CRYPTOPP_DLL InvalidDataFormat : public Exception +{ +public: + explicit InvalidDataFormat(const std::string &s) : Exception(INVALID_DATA_FORMAT, s) {} +}; + +//! exception thrown by decryption filters when trying to decrypt an invalid ciphertext +class CRYPTOPP_DLL InvalidCiphertext : public InvalidDataFormat +{ +public: + explicit InvalidCiphertext(const std::string &s) : InvalidDataFormat(s) {} +}; + +//! exception thrown by a class if a non-implemented method is called +class CRYPTOPP_DLL NotImplemented : public Exception +{ +public: + explicit NotImplemented(const std::string &s) : Exception(NOT_IMPLEMENTED, s) {} +}; + +//! exception thrown by a class when Flush(true) is called but it can't completely flush its buffers +class CRYPTOPP_DLL CannotFlush : public Exception +{ +public: + explicit CannotFlush(const std::string &s) : Exception(CANNOT_FLUSH, s) {} +}; + +//! error reported by the operating system +class CRYPTOPP_DLL OS_Error : public Exception +{ +public: + OS_Error(ErrorType errorType, const std::string &s, const std::string& operation, int errorCode) + : Exception(errorType, s), m_operation(operation), m_errorCode(errorCode) {} + ~OS_Error() throw() {} + + // the operating system API that reported the error + const std::string & GetOperation() const {return m_operation;} + // the error code return by the operating system + int GetErrorCode() const {return m_errorCode;} + +protected: + std::string m_operation; + int m_errorCode; +}; + +//! used to return decoding results +struct CRYPTOPP_DLL DecodingResult +{ + explicit DecodingResult() : isValidCoding(false), messageLength(0) {} + explicit DecodingResult(size_t len) : isValidCoding(true), messageLength(len) {} + + bool operator==(const DecodingResult &rhs) const {return isValidCoding == rhs.isValidCoding && messageLength == rhs.messageLength;} + bool operator!=(const DecodingResult &rhs) const {return !operator==(rhs);} + + bool isValidCoding; + size_t messageLength; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + operator size_t() const {return isValidCoding ? messageLength : 0;} +#endif +}; + +//! interface for retrieving values given their names +/*! \note This class is used to safely pass a variable number of arbitrarily typed arguments to functions + and to read values from keys and crypto parameters. + \note To obtain an object that implements NameValuePairs for the purpose of parameter + passing, use the MakeParameters() function. + \note To get a value from NameValuePairs, you need to know the name and the type of the value. + Call GetValueNames() on a NameValuePairs object to obtain a list of value names that it supports. + Then look at the Name namespace documentation to see what the type of each value is, or + alternatively, call GetIntValue() with the value name, and if the type is not int, a + ValueTypeMismatch exception will be thrown and you can get the actual type from the exception object. +*/ +class CRYPTOPP_NO_VTABLE NameValuePairs +{ +public: + virtual ~NameValuePairs() {} + + //! exception thrown when trying to retrieve a value using a different type than expected + class CRYPTOPP_DLL ValueTypeMismatch : public InvalidArgument + { + public: + ValueTypeMismatch(const std::string &name, const std::type_info &stored, const std::type_info &retrieving) + : InvalidArgument("NameValuePairs: type mismatch for '" + name + "', stored '" + stored.name() + "', trying to retrieve '" + retrieving.name() + "'") + , m_stored(stored), m_retrieving(retrieving) {} + + const std::type_info & GetStoredTypeInfo() const {return m_stored;} + const std::type_info & GetRetrievingTypeInfo() const {return m_retrieving;} + + private: + const std::type_info &m_stored; + const std::type_info &m_retrieving; + }; + + //! get a copy of this object or a subobject of it + template <class T> + bool GetThisObject(T &object) const + { + return GetValue((std::string("ThisObject:")+typeid(T).name()).c_str(), object); + } + + //! get a pointer to this object, as a pointer to T + template <class T> + bool GetThisPointer(T *&p) const + { + return GetValue((std::string("ThisPointer:")+typeid(T).name()).c_str(), p); + } + + //! get a named value, returns true if the name exists + template <class T> + bool GetValue(const char *name, T &value) const + { + return GetVoidValue(name, typeid(T), &value); + } + + //! get a named value, returns the default if the name doesn't exist + template <class T> + T GetValueWithDefault(const char *name, T defaultValue) const + { + GetValue(name, defaultValue); + return defaultValue; + } + + //! get a list of value names that can be retrieved + CRYPTOPP_DLL std::string GetValueNames() const + {std::string result; GetValue("ValueNames", result); return result;} + + //! get a named value with type int + /*! used to ensure we don't accidentally try to get an unsigned int + or some other type when we mean int (which is the most common case) */ + CRYPTOPP_DLL bool GetIntValue(const char *name, int &value) const + {return GetValue(name, value);} + + //! get a named value with type int, with default + CRYPTOPP_DLL int GetIntValueWithDefault(const char *name, int defaultValue) const + {return GetValueWithDefault(name, defaultValue);} + + //! used by derived classes to check for type mismatch + CRYPTOPP_DLL static void CRYPTOPP_API ThrowIfTypeMismatch(const char *name, const std::type_info &stored, const std::type_info &retrieving) + {if (stored != retrieving) throw ValueTypeMismatch(name, stored, retrieving);} + + template <class T> + void GetRequiredParameter(const char *className, const char *name, T &value) const + { + if (!GetValue(name, value)) + throw InvalidArgument(std::string(className) + ": missing required parameter '" + name + "'"); + } + + CRYPTOPP_DLL void GetRequiredIntParameter(const char *className, const char *name, int &value) const + { + if (!GetIntValue(name, value)) + throw InvalidArgument(std::string(className) + ": missing required parameter '" + name + "'"); + } + + //! to be implemented by derived classes, users should use one of the above functions instead + CRYPTOPP_DLL virtual bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const =0; +}; + +//! namespace containing value name definitions +/*! value names, types and semantics: + + ThisObject:ClassName (ClassName, copy of this object or a subobject) + ThisPointer:ClassName (const ClassName *, pointer to this object or a subobject) +*/ +DOCUMENTED_NAMESPACE_BEGIN(Name) +// more names defined in argnames.h +DOCUMENTED_NAMESPACE_END + +//! empty set of name-value pairs +extern CRYPTOPP_DLL const NameValuePairs &g_nullNameValuePairs; + +// ******************************************************** + +//! interface for cloning objects, this is not implemented by most classes yet +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Clonable +{ +public: + virtual ~Clonable() {} + //! this is not implemented by most classes yet + virtual Clonable* Clone() const {throw NotImplemented("Clone() is not implemented yet.");} // TODO: make this =0 +}; + +//! interface for all crypto algorithms + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Algorithm : public Clonable +{ +public: + /*! When FIPS 140-2 compliance is enabled and checkSelfTestStatus == true, + this constructor throws SelfTestFailure if the self test hasn't been run or fails. */ + Algorithm(bool checkSelfTestStatus = true); + //! returns name of this algorithm, not universally implemented yet + virtual std::string AlgorithmName() const {return "unknown";} +}; + +//! keying interface for crypto algorithms that take byte strings as keys +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE SimpleKeyingInterface +{ +public: + virtual ~SimpleKeyingInterface() {} + + //! returns smallest valid key length in bytes */ + virtual size_t MinKeyLength() const =0; + //! returns largest valid key length in bytes */ + virtual size_t MaxKeyLength() const =0; + //! returns default (recommended) key length in bytes */ + virtual size_t DefaultKeyLength() const =0; + + //! returns the smallest valid key length in bytes that is >= min(n, GetMaxKeyLength()) + virtual size_t GetValidKeyLength(size_t n) const =0; + + //! returns whether n is a valid key length + virtual bool IsValidKeyLength(size_t n) const + {return n == GetValidKeyLength(n);} + + //! set or reset the key of this object + /*! \param params is used to specify Rounds, BlockSize, etc. */ + virtual void SetKey(const byte *key, size_t length, const NameValuePairs ¶ms = g_nullNameValuePairs); + + //! calls SetKey() with an NameValuePairs object that just specifies "Rounds" + void SetKeyWithRounds(const byte *key, size_t length, int rounds); + + //! calls SetKey() with an NameValuePairs object that just specifies "IV" + void SetKeyWithIV(const byte *key, size_t length, const byte *iv, size_t ivLength); + + //! calls SetKey() with an NameValuePairs object that just specifies "IV" + void SetKeyWithIV(const byte *key, size_t length, const byte *iv) + {SetKeyWithIV(key, length, iv, IVSize());} + + enum IV_Requirement {UNIQUE_IV = 0, RANDOM_IV, UNPREDICTABLE_RANDOM_IV, INTERNALLY_GENERATED_IV, NOT_RESYNCHRONIZABLE}; + //! returns the minimal requirement for secure IVs + virtual IV_Requirement IVRequirement() const =0; + + //! returns whether this object can be resynchronized (i.e. supports initialization vectors) + /*! If this function returns true, and no IV is passed to SetKey() and CanUseStructuredIVs()==true, an IV of all 0's will be assumed. */ + bool IsResynchronizable() const {return IVRequirement() < NOT_RESYNCHRONIZABLE;} + //! returns whether this object can use random IVs (in addition to ones returned by GetNextIV) + bool CanUseRandomIVs() const {return IVRequirement() <= UNPREDICTABLE_RANDOM_IV;} + //! returns whether this object can use random but possibly predictable IVs (in addition to ones returned by GetNextIV) + bool CanUsePredictableIVs() const {return IVRequirement() <= RANDOM_IV;} + //! returns whether this object can use structured IVs, for example a counter (in addition to ones returned by GetNextIV) + bool CanUseStructuredIVs() const {return IVRequirement() <= UNIQUE_IV;} + + virtual unsigned int IVSize() const {throw NotImplemented(GetAlgorithm().AlgorithmName() + ": this object doesn't support resynchronization");} + //! returns default length of IVs accepted by this object + unsigned int DefaultIVLength() const {return IVSize();} + //! returns minimal length of IVs accepted by this object + virtual unsigned int MinIVLength() const {return IVSize();} + //! returns maximal length of IVs accepted by this object + virtual unsigned int MaxIVLength() const {return IVSize();} + //! resynchronize with an IV. ivLength=-1 means use IVSize() + virtual void Resynchronize(const byte *iv, int ivLength=-1) {throw NotImplemented(GetAlgorithm().AlgorithmName() + ": this object doesn't support resynchronization");} + //! get a secure IV for the next message + /*! This method should be called after you finish encrypting one message and are ready to start the next one. + After calling it, you must call SetKey() or Resynchronize() before using this object again. + This method is not implemented on decryption objects. */ + virtual void GetNextIV(RandomNumberGenerator &rng, byte *IV); + +protected: + virtual const Algorithm & GetAlgorithm() const =0; + virtual void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) =0; + + void ThrowIfInvalidKeyLength(size_t length); + void ThrowIfResynchronizable(); // to be called when no IV is passed + void ThrowIfInvalidIV(const byte *iv); // check for NULL IV if it can't be used + size_t ThrowIfInvalidIVLength(int size); + const byte * GetIVAndThrowIfInvalid(const NameValuePairs ¶ms, size_t &size); + inline void AssertValidKeyLength(size_t length) const + {assert(IsValidKeyLength(length));} +}; + +//! interface for the data processing part of block ciphers + +/*! Classes derived from BlockTransformation are block ciphers + in ECB mode (for example the DES::Encryption class), which are stateless. + These classes should not be used directly, but only in combination with + a mode class (see CipherModeDocumentation in modes.h). +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE BlockTransformation : public Algorithm +{ +public: + //! encrypt or decrypt inBlock, xor with xorBlock, and write to outBlock + virtual void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const =0; + + //! encrypt or decrypt one block + /*! \pre size of inBlock and outBlock == BlockSize() */ + void ProcessBlock(const byte *inBlock, byte *outBlock) const + {ProcessAndXorBlock(inBlock, NULL, outBlock);} + + //! encrypt or decrypt one block in place + void ProcessBlock(byte *inoutBlock) const + {ProcessAndXorBlock(inoutBlock, NULL, inoutBlock);} + + //! block size of the cipher in bytes + virtual unsigned int BlockSize() const =0; + + //! returns how inputs and outputs should be aligned for optimal performance + virtual unsigned int OptimalDataAlignment() const; + + //! returns true if this is a permutation (i.e. there is an inverse transformation) + virtual bool IsPermutation() const {return true;} + + //! returns true if this is an encryption object + virtual bool IsForwardTransformation() const =0; + + //! return number of blocks that can be processed in parallel, for bit-slicing implementations + virtual unsigned int OptimalNumberOfParallelBlocks() const {return 1;} + + enum {BT_InBlockIsCounter=1, BT_DontIncrementInOutPointers=2, BT_XorInput=4, BT_ReverseDirection=8, BT_AllowParallel=16} FlagsForAdvancedProcessBlocks; + + //! encrypt and xor blocks according to flags (see FlagsForAdvancedProcessBlocks) + /*! /note If BT_InBlockIsCounter is set, last byte of inBlocks may be modified. */ + virtual size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const; + + inline CipherDir GetCipherDirection() const {return IsForwardTransformation() ? ENCRYPTION : DECRYPTION;} +}; + +//! interface for the data processing part of stream ciphers + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE StreamTransformation : public Algorithm +{ +public: + //! return a reference to this object, useful for passing a temporary object to a function that takes a non-const reference + StreamTransformation& Ref() {return *this;} + + //! returns block size, if input must be processed in blocks, otherwise 1 + virtual unsigned int MandatoryBlockSize() const {return 1;} + + //! returns the input block size that is most efficient for this cipher + /*! \note optimal input length is n * OptimalBlockSize() - GetOptimalBlockSizeUsed() for any n > 0 */ + virtual unsigned int OptimalBlockSize() const {return MandatoryBlockSize();} + //! returns how much of the current block is used up + virtual unsigned int GetOptimalBlockSizeUsed() const {return 0;} + + //! returns how input should be aligned for optimal performance + virtual unsigned int OptimalDataAlignment() const; + + //! encrypt or decrypt an array of bytes of specified length + /*! \note either inString == outString, or they don't overlap */ + virtual void ProcessData(byte *outString, const byte *inString, size_t length) =0; + + //! for ciphers where the last block of data is special, encrypt or decrypt the last block of data + /*! For now the only use of this function is for CBC-CTS mode. */ + virtual void ProcessLastBlock(byte *outString, const byte *inString, size_t length); + //! returns the minimum size of the last block, 0 indicating the last block is not special + virtual unsigned int MinLastBlockSize() const {return 0;} + + //! same as ProcessData(inoutString, inoutString, length) + inline void ProcessString(byte *inoutString, size_t length) + {ProcessData(inoutString, inoutString, length);} + //! same as ProcessData(outString, inString, length) + inline void ProcessString(byte *outString, const byte *inString, size_t length) + {ProcessData(outString, inString, length);} + //! implemented as {ProcessData(&input, &input, 1); return input;} + inline byte ProcessByte(byte input) + {ProcessData(&input, &input, 1); return input;} + + //! returns whether this cipher supports random access + virtual bool IsRandomAccess() const =0; + //! for random access ciphers, seek to an absolute position + virtual void Seek(lword n) + { + assert(!IsRandomAccess()); + throw NotImplemented("StreamTransformation: this object doesn't support random access"); + } + + //! returns whether this transformation is self-inverting (e.g. xor with a keystream) + virtual bool IsSelfInverting() const =0; + //! returns whether this is an encryption object + virtual bool IsForwardTransformation() const =0; +}; + +//! interface for hash functions and data processing part of MACs + +/*! HashTransformation objects are stateful. They are created in an initial state, + change state as Update() is called, and return to the initial + state when Final() is called. This interface allows a large message to + be hashed in pieces by calling Update() on each piece followed by + calling Final(). +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE HashTransformation : public Algorithm +{ +public: + //! return a reference to this object, useful for passing a temporary object to a function that takes a non-const reference + HashTransformation& Ref() {return *this;} + + //! process more input + virtual void Update(const byte *input, size_t length) =0; + + //! request space to write input into + virtual byte * CreateUpdateSpace(size_t &size) {size=0; return NULL;} + + //! compute hash for current message, then restart for a new message + /*! \pre size of digest == DigestSize(). */ + virtual void Final(byte *digest) + {TruncatedFinal(digest, DigestSize());} + + //! discard the current state, and restart with a new message + virtual void Restart() + {TruncatedFinal(NULL, 0);} + + //! size of the hash/digest/MAC returned by Final() + virtual unsigned int DigestSize() const =0; + + //! same as DigestSize() + unsigned int TagSize() const {return DigestSize();} + + + //! block size of underlying compression function, or 0 if not block based + virtual unsigned int BlockSize() const {return 0;} + + //! input to Update() should have length a multiple of this for optimal speed + virtual unsigned int OptimalBlockSize() const {return 1;} + + //! returns how input should be aligned for optimal performance + virtual unsigned int OptimalDataAlignment() const; + + //! use this if your input is in one piece and you don't want to call Update() and Final() separately + virtual void CalculateDigest(byte *digest, const byte *input, size_t length) + {Update(input, length); Final(digest);} + + //! verify that digest is a valid digest for the current message, then reinitialize the object + /*! Default implementation is to call Final() and do a bitwise comparison + between its output and digest. */ + virtual bool Verify(const byte *digest) + {return TruncatedVerify(digest, DigestSize());} + + //! use this if your input is in one piece and you don't want to call Update() and Verify() separately + virtual bool VerifyDigest(const byte *digest, const byte *input, size_t length) + {Update(input, length); return Verify(digest);} + + //! truncated version of Final() + virtual void TruncatedFinal(byte *digest, size_t digestSize) =0; + + //! truncated version of CalculateDigest() + virtual void CalculateTruncatedDigest(byte *digest, size_t digestSize, const byte *input, size_t length) + {Update(input, length); TruncatedFinal(digest, digestSize);} + + //! truncated version of Verify() + virtual bool TruncatedVerify(const byte *digest, size_t digestLength); + + //! truncated version of VerifyDigest() + virtual bool VerifyTruncatedDigest(const byte *digest, size_t digestLength, const byte *input, size_t length) + {Update(input, length); return TruncatedVerify(digest, digestLength);} + +protected: + void ThrowIfInvalidTruncatedSize(size_t size) const; +}; + +typedef HashTransformation HashFunction; + +//! interface for one direction (encryption or decryption) of a block cipher +/*! \note These objects usually should not be used directly. See BlockTransformation for more details. */ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE BlockCipher : public SimpleKeyingInterface, public BlockTransformation +{ +protected: + const Algorithm & GetAlgorithm() const {return *this;} +}; + +//! interface for one direction (encryption or decryption) of a stream cipher or cipher mode +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE SymmetricCipher : public SimpleKeyingInterface, public StreamTransformation +{ +protected: + const Algorithm & GetAlgorithm() const {return *this;} +}; + +//! interface for message authentication codes +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE MessageAuthenticationCode : public SimpleKeyingInterface, public HashTransformation +{ +protected: + const Algorithm & GetAlgorithm() const {return *this;} +}; + +//! interface for for one direction (encryption or decryption) of a stream cipher or block cipher mode with authentication +/*! The StreamTransformation part of this interface is used to encrypt/decrypt the data, and the MessageAuthenticationCode part of this + interface is used to input additional authenticated data (AAD, which is MAC'ed but not encrypted), and to generate/verify the MAC. */ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedSymmetricCipher : public MessageAuthenticationCode, public StreamTransformation +{ +public: + //! this indicates that a member function was called in the wrong state, for example trying to encrypt a message before having set the key or IV + class BadState : public Exception + { + public: + explicit BadState(const std::string &name, const char *message) : Exception(OTHER_ERROR, name + ": " + message) {} + explicit BadState(const std::string &name, const char *function, const char *state) : Exception(OTHER_ERROR, name + ": " + function + " was called before " + state) {} + }; + + //! the maximum length of AAD that can be input before the encrypted data + virtual lword MaxHeaderLength() const =0; + //! the maximum length of encrypted data + virtual lword MaxMessageLength() const =0; + //! the maximum length of AAD that can be input after the encrypted data + virtual lword MaxFooterLength() const {return 0;} + //! if this function returns true, SpecifyDataLengths() must be called before attempting to input data + /*! This is the case for some schemes, such as CCM. */ + virtual bool NeedsPrespecifiedDataLengths() const {return false;} + //! this function only needs to be called if NeedsPrespecifiedDataLengths() returns true + void SpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength=0); + //! encrypt and generate MAC in one call. will truncate MAC if macSize < TagSize() + virtual void EncryptAndAuthenticate(byte *ciphertext, byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *message, size_t messageLength); + //! decrypt and verify MAC in one call, returning true iff MAC is valid. will assume MAC is truncated if macLength < TagSize() + virtual bool DecryptAndVerify(byte *message, const byte *mac, size_t macLength, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *ciphertext, size_t ciphertextLength); + + // redeclare this to avoid compiler ambiguity errors + virtual std::string AlgorithmName() const =0; + +protected: + const Algorithm & GetAlgorithm() const {return *static_cast<const MessageAuthenticationCode *>(this);} + virtual void UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength) {} +}; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY +typedef SymmetricCipher StreamCipher; +#endif + +//! interface for random number generators +/*! All return values are uniformly distributed over the range specified. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE RandomNumberGenerator : public Algorithm +{ +public: + //! update RNG state with additional unpredictable values + virtual void IncorporateEntropy(const byte *input, size_t length) {throw NotImplemented("RandomNumberGenerator: IncorporateEntropy not implemented");} + + //! returns true if IncorporateEntropy is implemented + virtual bool CanIncorporateEntropy() const {return false;} + + //! generate new random byte and return it + virtual byte GenerateByte(); + + //! generate new random bit and return it + /*! Default implementation is to call GenerateByte() and return its lowest bit. */ + virtual unsigned int GenerateBit(); + + //! generate a random 32 bit word in the range min to max, inclusive + virtual word32 GenerateWord32(word32 a=0, word32 b=0xffffffffL); + + //! generate random array of bytes + virtual void GenerateBlock(byte *output, size_t size); + + //! generate and discard n bytes + virtual void DiscardBytes(size_t n); + + //! generate random bytes as input to a BufferedTransformation + virtual void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword length); + + //! randomly shuffle the specified array, resulting permutation is uniformly distributed + template <class IT> void Shuffle(IT begin, IT end) + { + for (; begin != end; ++begin) + std::iter_swap(begin, begin + GenerateWord32(0, end-begin-1)); + } + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + byte GetByte() {return GenerateByte();} + unsigned int GetBit() {return GenerateBit();} + word32 GetLong(word32 a=0, word32 b=0xffffffffL) {return GenerateWord32(a, b);} + word16 GetShort(word16 a=0, word16 b=0xffff) {return (word16)GenerateWord32(a, b);} + void GetBlock(byte *output, size_t size) {GenerateBlock(output, size);} +#endif +}; + +//! returns a reference that can be passed to functions that ask for a RNG but doesn't actually use it +CRYPTOPP_DLL RandomNumberGenerator & CRYPTOPP_API NullRNG(); + +class WaitObjectContainer; +class CallStack; + +//! interface for objects that you can wait for + +class CRYPTOPP_NO_VTABLE Waitable +{ +public: + virtual ~Waitable() {} + + //! maximum number of wait objects that this object can return + virtual unsigned int GetMaxWaitObjectCount() const =0; + //! put wait objects into container + /*! \param callStack is used for tracing no wait loops, example: + something.GetWaitObjects(c, CallStack("my func after X", 0)); + - or in an outer GetWaitObjects() method that itself takes a callStack parameter: + innerThing.GetWaitObjects(c, CallStack("MyClass::GetWaitObjects at X", &callStack)); */ + virtual void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) =0; + //! wait on this object + /*! same as creating an empty container, calling GetWaitObjects(), and calling Wait() on the container */ + bool Wait(unsigned long milliseconds, CallStack const& callStack); +}; + +//! the default channel for BufferedTransformation, equal to the empty string +extern CRYPTOPP_DLL const std::string DEFAULT_CHANNEL; + +//! channel for additional authenticated data, equal to "AAD" +extern CRYPTOPP_DLL const std::string AAD_CHANNEL; + +//! interface for buffered transformations + +/*! BufferedTransformation is a generalization of BlockTransformation, + StreamTransformation, and HashTransformation. + + A buffered transformation is an object that takes a stream of bytes + as input (this may be done in stages), does some computation on them, and + then places the result into an internal buffer for later retrieval. Any + partial result already in the output buffer is not modified by further + input. + + If a method takes a "blocking" parameter, and you + pass "false" for it, the method will return before all input has been processed if + the input cannot be processed without waiting (for network buffers to become available, for example). + In this case the method will return true + or a non-zero integer value. When this happens you must continue to call the method with the same + parameters until it returns false or zero, before calling any other method on it or + attached BufferedTransformation. The integer return value in this case is approximately + the number of bytes left to be processed, and can be used to implement a progress bar. + + For functions that take a "propagation" parameter, propagation != 0 means pass on the signal to attached + BufferedTransformation objects, with propagation decremented at each step until it reaches 0. + -1 means unlimited propagation. + + \nosubgrouping +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE BufferedTransformation : public Algorithm, public Waitable +{ +public: + // placed up here for CW8 + static const std::string &NULL_CHANNEL; // same as DEFAULT_CHANNEL, for backwards compatibility + + BufferedTransformation() : Algorithm(false) {} + + //! return a reference to this object, useful for passing a temporary object to a function that takes a non-const reference + BufferedTransformation& Ref() {return *this;} + + //! \name INPUT + //@{ + //! input a byte for processing + size_t Put(byte inByte, bool blocking=true) + {return Put(&inByte, 1, blocking);} + //! input multiple bytes + size_t Put(const byte *inString, size_t length, bool blocking=true) + {return Put2(inString, length, 0, blocking);} + + //! input a 16-bit word + size_t PutWord16(word16 value, ByteOrder order=BIG_ENDIAN_ORDER, bool blocking=true); + //! input a 32-bit word + size_t PutWord32(word32 value, ByteOrder order=BIG_ENDIAN_ORDER, bool blocking=true); + + //! request space which can be written into by the caller, and then used as input to Put() + /*! \param size is requested size (as a hint) for input, and size of the returned space for output */ + /*! \note The purpose of this method is to help avoid doing extra memory allocations. */ + virtual byte * CreatePutSpace(size_t &size) {size=0; return NULL;} + + virtual bool CanModifyInput() const {return false;} + + //! input multiple bytes that may be modified by callee + size_t PutModifiable(byte *inString, size_t length, bool blocking=true) + {return PutModifiable2(inString, length, 0, blocking);} + + bool MessageEnd(int propagation=-1, bool blocking=true) + {return !!Put2(NULL, 0, propagation < 0 ? -1 : propagation+1, blocking);} + size_t PutMessageEnd(const byte *inString, size_t length, int propagation=-1, bool blocking=true) + {return Put2(inString, length, propagation < 0 ? -1 : propagation+1, blocking);} + + //! input multiple bytes for blocking or non-blocking processing + /*! \param messageEnd means how many filters to signal MessageEnd to, including this one */ + virtual size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) =0; + //! input multiple bytes that may be modified by callee for blocking or non-blocking processing + /*! \param messageEnd means how many filters to signal MessageEnd to, including this one */ + virtual size_t PutModifiable2(byte *inString, size_t length, int messageEnd, bool blocking) + {return Put2(inString, length, messageEnd, blocking);} + + //! thrown by objects that have not implemented nonblocking input processing + struct BlockingInputOnly : public NotImplemented + {BlockingInputOnly(const std::string &s) : NotImplemented(s + ": Nonblocking input is not implemented by this object.") {}}; + //@} + + //! \name WAITING + //@{ + unsigned int GetMaxWaitObjectCount() const; + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + //@} + + //! \name SIGNALS + //@{ + virtual void IsolatedInitialize(const NameValuePairs ¶meters) {throw NotImplemented("BufferedTransformation: this object can't be reinitialized");} + virtual bool IsolatedFlush(bool hardFlush, bool blocking) =0; + virtual bool IsolatedMessageSeriesEnd(bool blocking) {return false;} + + //! initialize or reinitialize this object + virtual void Initialize(const NameValuePairs ¶meters=g_nullNameValuePairs, int propagation=-1); + //! flush buffered input and/or output + /*! \param hardFlush is used to indicate whether all data should be flushed + \note Hard flushes must be used with care. It means try to process and output everything, even if + there may not be enough data to complete the action. For example, hard flushing a HexDecoder would + cause an error if you do it after inputing an odd number of hex encoded characters. + For some types of filters, for example ZlibDecompressor, hard flushes can only + be done at "synchronization points". These synchronization points are positions in the data + stream that are created by hard flushes on the corresponding reverse filters, in this + example ZlibCompressor. This is useful when zlib compressed data is moved across a + network in packets and compression state is preserved across packets, as in the ssh2 protocol. + */ + virtual bool Flush(bool hardFlush, int propagation=-1, bool blocking=true); + //! mark end of a series of messages + /*! There should be a MessageEnd immediately before MessageSeriesEnd. */ + virtual bool MessageSeriesEnd(int propagation=-1, bool blocking=true); + + //! set propagation of automatically generated and transferred signals + /*! propagation == 0 means do not automaticly generate signals */ + virtual void SetAutoSignalPropagation(int propagation) {} + + //! + virtual int GetAutoSignalPropagation() const {return 0;} +public: + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + void Close() {MessageEnd();} +#endif + //@} + + //! \name RETRIEVAL OF ONE MESSAGE + //@{ + //! returns number of bytes that is currently ready for retrieval + /*! All retrieval functions return the actual number of bytes + retrieved, which is the lesser of the request number and + MaxRetrievable(). */ + virtual lword MaxRetrievable() const; + + //! returns whether any bytes are currently ready for retrieval + virtual bool AnyRetrievable() const; + + //! try to retrieve a single byte + virtual size_t Get(byte &outByte); + //! try to retrieve multiple bytes + virtual size_t Get(byte *outString, size_t getMax); + + //! peek at the next byte without removing it from the output buffer + virtual size_t Peek(byte &outByte) const; + //! peek at multiple bytes without removing them from the output buffer + virtual size_t Peek(byte *outString, size_t peekMax) const; + + //! try to retrieve a 16-bit word + size_t GetWord16(word16 &value, ByteOrder order=BIG_ENDIAN_ORDER); + //! try to retrieve a 32-bit word + size_t GetWord32(word32 &value, ByteOrder order=BIG_ENDIAN_ORDER); + + //! try to peek at a 16-bit word + size_t PeekWord16(word16 &value, ByteOrder order=BIG_ENDIAN_ORDER) const; + //! try to peek at a 32-bit word + size_t PeekWord32(word32 &value, ByteOrder order=BIG_ENDIAN_ORDER) const; + + //! move transferMax bytes of the buffered output to target as input + lword TransferTo(BufferedTransformation &target, lword transferMax=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL) + {TransferTo2(target, transferMax, channel); return transferMax;} + + //! discard skipMax bytes from the output buffer + virtual lword Skip(lword skipMax=LWORD_MAX); + + //! copy copyMax bytes of the buffered output to target as input + lword CopyTo(BufferedTransformation &target, lword copyMax=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL) const + {return CopyRangeTo(target, 0, copyMax, channel);} + + //! copy copyMax bytes of the buffered output, starting at position (relative to current position), to target as input + lword CopyRangeTo(BufferedTransformation &target, lword position, lword copyMax=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL) const + {lword i = position; CopyRangeTo2(target, i, i+copyMax, channel); return i-position;} + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + unsigned long MaxRetrieveable() const {return MaxRetrievable();} +#endif + //@} + + //! \name RETRIEVAL OF MULTIPLE MESSAGES + //@{ + //! + virtual lword TotalBytesRetrievable() const; + //! number of times MessageEnd() has been received minus messages retrieved or skipped + virtual unsigned int NumberOfMessages() const; + //! returns true if NumberOfMessages() > 0 + virtual bool AnyMessages() const; + //! start retrieving the next message + /*! + Returns false if no more messages exist or this message + is not completely retrieved. + */ + virtual bool GetNextMessage(); + //! skip count number of messages + virtual unsigned int SkipMessages(unsigned int count=UINT_MAX); + //! + unsigned int TransferMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) + {TransferMessagesTo2(target, count, channel); return count;} + //! + unsigned int CopyMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) const; + + //! + virtual void SkipAll(); + //! + void TransferAllTo(BufferedTransformation &target, const std::string &channel=DEFAULT_CHANNEL) + {TransferAllTo2(target, channel);} + //! + void CopyAllTo(BufferedTransformation &target, const std::string &channel=DEFAULT_CHANNEL) const; + + virtual bool GetNextMessageSeries() {return false;} + virtual unsigned int NumberOfMessagesInThisSeries() const {return NumberOfMessages();} + virtual unsigned int NumberOfMessageSeries() const {return 0;} + //@} + + //! \name NON-BLOCKING TRANSFER OF OUTPUT + //@{ + //! upon return, byteCount contains number of bytes that have finished being transfered, and returns the number of bytes left in the current transfer block + virtual size_t TransferTo2(BufferedTransformation &target, lword &byteCount, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) =0; + //! upon return, begin contains the start position of data yet to be finished copying, and returns the number of bytes left in the current transfer block + virtual size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const =0; + //! upon return, messageCount contains number of messages that have finished being transfered, and returns the number of bytes left in the current transfer block + size_t TransferMessagesTo2(BufferedTransformation &target, unsigned int &messageCount, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + //! returns the number of bytes left in the current transfer block + size_t TransferAllTo2(BufferedTransformation &target, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + //@} + + //! \name CHANNELS + //@{ + struct NoChannelSupport : public NotImplemented + {NoChannelSupport(const std::string &name) : NotImplemented(name + ": this object doesn't support multiple channels") {}}; + struct InvalidChannelName : public InvalidArgument + {InvalidChannelName(const std::string &name, const std::string &channel) : InvalidArgument(name + ": unexpected channel name \"" + channel + "\"") {}}; + + size_t ChannelPut(const std::string &channel, byte inByte, bool blocking=true) + {return ChannelPut(channel, &inByte, 1, blocking);} + size_t ChannelPut(const std::string &channel, const byte *inString, size_t length, bool blocking=true) + {return ChannelPut2(channel, inString, length, 0, blocking);} + + size_t ChannelPutModifiable(const std::string &channel, byte *inString, size_t length, bool blocking=true) + {return ChannelPutModifiable2(channel, inString, length, 0, blocking);} + + size_t ChannelPutWord16(const std::string &channel, word16 value, ByteOrder order=BIG_ENDIAN_ORDER, bool blocking=true); + size_t ChannelPutWord32(const std::string &channel, word32 value, ByteOrder order=BIG_ENDIAN_ORDER, bool blocking=true); + + bool ChannelMessageEnd(const std::string &channel, int propagation=-1, bool blocking=true) + {return !!ChannelPut2(channel, NULL, 0, propagation < 0 ? -1 : propagation+1, blocking);} + size_t ChannelPutMessageEnd(const std::string &channel, const byte *inString, size_t length, int propagation=-1, bool blocking=true) + {return ChannelPut2(channel, inString, length, propagation < 0 ? -1 : propagation+1, blocking);} + + virtual byte * ChannelCreatePutSpace(const std::string &channel, size_t &size); + + virtual size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); + virtual size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking); + + virtual bool ChannelFlush(const std::string &channel, bool hardFlush, int propagation=-1, bool blocking=true); + virtual bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true); + + virtual void SetRetrievalChannel(const std::string &channel); + //@} + + //! \name ATTACHMENT + /*! Some BufferedTransformation objects (e.g. Filter objects) + allow other BufferedTransformation objects to be attached. When + this is done, the first object instead of buffering its output, + sents that output to the attached object as input. The entire + attachment chain is deleted when the anchor object is destructed. + */ + //@{ + //! returns whether this object allows attachment + virtual bool Attachable() {return false;} + //! returns the object immediately attached to this object or NULL for no attachment + virtual BufferedTransformation *AttachedTransformation() {assert(!Attachable()); return 0;} + //! + virtual const BufferedTransformation *AttachedTransformation() const + {return const_cast<BufferedTransformation *>(this)->AttachedTransformation();} + //! delete the current attachment chain and replace it with newAttachment + virtual void Detach(BufferedTransformation *newAttachment = 0) + {assert(!Attachable()); throw NotImplemented("BufferedTransformation: this object is not attachable");} + //! add newAttachment to the end of attachment chain + virtual void Attach(BufferedTransformation *newAttachment); + //@} + +protected: + static int DecrementPropagation(int propagation) + {return propagation != 0 ? propagation - 1 : 0;} + +private: + byte m_buf[4]; // for ChannelPutWord16 and ChannelPutWord32, to ensure buffer isn't deallocated before non-blocking operation completes +}; + +//! returns a reference to a BufferedTransformation object that discards all input +BufferedTransformation & TheBitBucket(); + +//! interface for crypto material, such as public and private keys, and crypto parameters + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CryptoMaterial : public NameValuePairs +{ +public: + //! exception thrown when invalid crypto material is detected + class CRYPTOPP_DLL InvalidMaterial : public InvalidDataFormat + { + public: + explicit InvalidMaterial(const std::string &s) : InvalidDataFormat(s) {} + }; + + //! assign values from source to this object + /*! \note This function can be used to create a public key from a private key. */ + virtual void AssignFrom(const NameValuePairs &source) =0; + + //! check this object for errors + /*! \param level denotes the level of thoroughness: + 0 - using this object won't cause a crash or exception (rng is ignored) + 1 - this object will probably function (encrypt, sign, etc.) correctly (but may not check for weak keys and such) + 2 - make sure this object will function correctly, and do reasonable security checks + 3 - do checks that may take a long time + \return true if the tests pass */ + virtual bool Validate(RandomNumberGenerator &rng, unsigned int level) const =0; + + //! throws InvalidMaterial if this object fails Validate() test + virtual void ThrowIfInvalid(RandomNumberGenerator &rng, unsigned int level) const + {if (!Validate(rng, level)) throw InvalidMaterial("CryptoMaterial: this object contains invalid values");} + +// virtual std::vector<std::string> GetSupportedFormats(bool includeSaveOnly=false, bool includeLoadOnly=false); + + //! save key into a BufferedTransformation + virtual void Save(BufferedTransformation &bt) const + {throw NotImplemented("CryptoMaterial: this object does not support saving");} + + //! load key from a BufferedTransformation + /*! \throws KeyingErr if decode fails + \note Generally does not check that the key is valid. + Call ValidateKey() or ThrowIfInvalidKey() to check that. */ + virtual void Load(BufferedTransformation &bt) + {throw NotImplemented("CryptoMaterial: this object does not support loading");} + + //! \return whether this object supports precomputation + virtual bool SupportsPrecomputation() const {return false;} + //! do precomputation + /*! The exact semantics of Precompute() is varies, but + typically it means calculate a table of n objects + that can be used later to speed up computation. */ + virtual void Precompute(unsigned int n) + {assert(!SupportsPrecomputation()); throw NotImplemented("CryptoMaterial: this object does not support precomputation");} + //! retrieve previously saved precomputation + virtual void LoadPrecomputation(BufferedTransformation &storedPrecomputation) + {assert(!SupportsPrecomputation()); throw NotImplemented("CryptoMaterial: this object does not support precomputation");} + //! save precomputation for later use + virtual void SavePrecomputation(BufferedTransformation &storedPrecomputation) const + {assert(!SupportsPrecomputation()); throw NotImplemented("CryptoMaterial: this object does not support precomputation");} + + // for internal library use + void DoQuickSanityCheck() const {ThrowIfInvalid(NullRNG(), 0);} + +#if (defined(__SUNPRO_CC) && __SUNPRO_CC < 0x590) + // Sun Studio 11/CC 5.8 workaround: it generates incorrect code when casting to an empty virtual base class + char m_sunCCworkaround; +#endif +}; + +//! interface for generatable crypto material, such as private keys and crypto parameters + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE GeneratableCryptoMaterial : virtual public CryptoMaterial +{ +public: + //! generate a random key or crypto parameters + /*! \throws KeyingErr if algorithm parameters are invalid, or if a key can't be generated + (e.g., if this is a public key object) */ + virtual void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶ms = g_nullNameValuePairs) + {throw NotImplemented("GeneratableCryptoMaterial: this object does not support key/parameter generation");} + + //! calls the above function with a NameValuePairs object that just specifies "KeySize" + void GenerateRandomWithKeySize(RandomNumberGenerator &rng, unsigned int keySize); +}; + +//! interface for public keys + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PublicKey : virtual public CryptoMaterial +{ +}; + +//! interface for private keys + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PrivateKey : public GeneratableCryptoMaterial +{ +}; + +//! interface for crypto prameters + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CryptoParameters : public GeneratableCryptoMaterial +{ +}; + +//! interface for asymmetric algorithms + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AsymmetricAlgorithm : public Algorithm +{ +public: + //! returns a reference to the crypto material used by this object + virtual CryptoMaterial & AccessMaterial() =0; + //! returns a const reference to the crypto material used by this object + virtual const CryptoMaterial & GetMaterial() const =0; + + //! for backwards compatibility, calls AccessMaterial().Load(bt) + void BERDecode(BufferedTransformation &bt) + {AccessMaterial().Load(bt);} + //! for backwards compatibility, calls GetMaterial().Save(bt) + void DEREncode(BufferedTransformation &bt) const + {GetMaterial().Save(bt);} +}; + +//! interface for asymmetric algorithms using public keys + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PublicKeyAlgorithm : public AsymmetricAlgorithm +{ +public: + // VC60 workaround: no co-variant return type + CryptoMaterial & AccessMaterial() {return AccessPublicKey();} + const CryptoMaterial & GetMaterial() const {return GetPublicKey();} + + virtual PublicKey & AccessPublicKey() =0; + virtual const PublicKey & GetPublicKey() const {return const_cast<PublicKeyAlgorithm *>(this)->AccessPublicKey();} +}; + +//! interface for asymmetric algorithms using private keys + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PrivateKeyAlgorithm : public AsymmetricAlgorithm +{ +public: + CryptoMaterial & AccessMaterial() {return AccessPrivateKey();} + const CryptoMaterial & GetMaterial() const {return GetPrivateKey();} + + virtual PrivateKey & AccessPrivateKey() =0; + virtual const PrivateKey & GetPrivateKey() const {return const_cast<PrivateKeyAlgorithm *>(this)->AccessPrivateKey();} +}; + +//! interface for key agreement algorithms + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE KeyAgreementAlgorithm : public AsymmetricAlgorithm +{ +public: + CryptoMaterial & AccessMaterial() {return AccessCryptoParameters();} + const CryptoMaterial & GetMaterial() const {return GetCryptoParameters();} + + virtual CryptoParameters & AccessCryptoParameters() =0; + virtual const CryptoParameters & GetCryptoParameters() const {return const_cast<KeyAgreementAlgorithm *>(this)->AccessCryptoParameters();} +}; + +//! interface for public-key encryptors and decryptors + +/*! This class provides an interface common to encryptors and decryptors + for querying their plaintext and ciphertext lengths. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_CryptoSystem +{ +public: + virtual ~PK_CryptoSystem() {} + + //! maximum length of plaintext for a given ciphertext length + /*! \note This function returns 0 if ciphertextLength is not valid (too long or too short). */ + virtual size_t MaxPlaintextLength(size_t ciphertextLength) const =0; + + //! calculate length of ciphertext given length of plaintext + /*! \note This function returns 0 if plaintextLength is not valid (too long). */ + virtual size_t CiphertextLength(size_t plaintextLength) const =0; + + //! this object supports the use of the parameter with the given name + /*! some possible parameter names: EncodingParameters, KeyDerivationParameters */ + virtual bool ParameterSupported(const char *name) const =0; + + //! return fixed ciphertext length, if one exists, otherwise return 0 + /*! \note "Fixed" here means length of ciphertext does not depend on length of plaintext. + It usually does depend on the key length. */ + virtual size_t FixedCiphertextLength() const {return 0;} + + //! return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0 + virtual size_t FixedMaxPlaintextLength() const {return 0;} + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + size_t MaxPlainTextLength(size_t cipherTextLength) const {return MaxPlaintextLength(cipherTextLength);} + size_t CipherTextLength(size_t plainTextLength) const {return CiphertextLength(plainTextLength);} +#endif +}; + +//! interface for public-key encryptors +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_Encryptor : public PK_CryptoSystem, public PublicKeyAlgorithm +{ +public: + //! exception thrown when trying to encrypt plaintext of invalid length + class CRYPTOPP_DLL InvalidPlaintextLength : public Exception + { + public: + InvalidPlaintextLength() : Exception(OTHER_ERROR, "PK_Encryptor: invalid plaintext length") {} + }; + + //! encrypt a byte string + /*! \pre CiphertextLength(plaintextLength) != 0 (i.e., plaintext isn't too long) + \pre size of ciphertext == CiphertextLength(plaintextLength) + */ + virtual void Encrypt(RandomNumberGenerator &rng, + const byte *plaintext, size_t plaintextLength, + byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const =0; + + //! create a new encryption filter + /*! \note The caller is responsible for deleting the returned pointer. + \note Encoding parameters should be passed in the "EP" channel. + */ + virtual BufferedTransformation * CreateEncryptionFilter(RandomNumberGenerator &rng, + BufferedTransformation *attachment=NULL, const NameValuePairs ¶meters = g_nullNameValuePairs) const; +}; + +//! interface for public-key decryptors + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_Decryptor : public PK_CryptoSystem, public PrivateKeyAlgorithm +{ +public: + //! decrypt a byte string, and return the length of plaintext + /*! \pre size of plaintext == MaxPlaintextLength(ciphertextLength) bytes. + \return the actual length of the plaintext, indication that decryption failed. + */ + virtual DecodingResult Decrypt(RandomNumberGenerator &rng, + const byte *ciphertext, size_t ciphertextLength, + byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const =0; + + //! create a new decryption filter + /*! \note caller is responsible for deleting the returned pointer + */ + virtual BufferedTransformation * CreateDecryptionFilter(RandomNumberGenerator &rng, + BufferedTransformation *attachment=NULL, const NameValuePairs ¶meters = g_nullNameValuePairs) const; + + //! decrypt a fixed size ciphertext + DecodingResult FixedLengthDecrypt(RandomNumberGenerator &rng, const byte *ciphertext, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const + {return Decrypt(rng, ciphertext, FixedCiphertextLength(), plaintext, parameters);} +}; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY +typedef PK_CryptoSystem PK_FixedLengthCryptoSystem; +typedef PK_Encryptor PK_FixedLengthEncryptor; +typedef PK_Decryptor PK_FixedLengthDecryptor; +#endif + +//! interface for public-key signers and verifiers + +/*! This class provides an interface common to signers and verifiers + for querying scheme properties. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_SignatureScheme +{ +public: + //! invalid key exception, may be thrown by any function in this class if the private or public key has a length that can't be used + class CRYPTOPP_DLL InvalidKeyLength : public Exception + { + public: + InvalidKeyLength(const std::string &message) : Exception(OTHER_ERROR, message) {} + }; + + //! key too short exception, may be thrown by any function in this class if the private or public key is too short to sign or verify anything + class CRYPTOPP_DLL KeyTooShort : public InvalidKeyLength + { + public: + KeyTooShort() : InvalidKeyLength("PK_Signer: key too short for this signature scheme") {} + }; + + virtual ~PK_SignatureScheme() {} + + //! signature length if it only depends on the key, otherwise 0 + virtual size_t SignatureLength() const =0; + + //! maximum signature length produced for a given length of recoverable message part + virtual size_t MaxSignatureLength(size_t recoverablePartLength = 0) const {return SignatureLength();} + + //! length of longest message that can be recovered, or 0 if this signature scheme does not support message recovery + virtual size_t MaxRecoverableLength() const =0; + + //! length of longest message that can be recovered from a signature of given length, or 0 if this signature scheme does not support message recovery + virtual size_t MaxRecoverableLengthFromSignatureLength(size_t signatureLength) const =0; + + //! requires a random number generator to sign + /*! if this returns false, NullRNG() can be passed to functions that take RandomNumberGenerator & */ + virtual bool IsProbabilistic() const =0; + + //! whether or not a non-recoverable message part can be signed + virtual bool AllowNonrecoverablePart() const =0; + + //! if this function returns true, during verification you must input the signature before the message, otherwise you can input it at anytime */ + virtual bool SignatureUpfront() const {return false;} + + //! whether you must input the recoverable part before the non-recoverable part during signing + virtual bool RecoverablePartFirst() const =0; +}; + +//! interface for accumulating messages to be signed or verified +/*! Only Update() should be called + on this class. No other functions inherited from HashTransformation should be called. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_MessageAccumulator : public HashTransformation +{ +public: + //! should not be called on PK_MessageAccumulator + unsigned int DigestSize() const + {throw NotImplemented("PK_MessageAccumulator: DigestSize() should not be called");} + //! should not be called on PK_MessageAccumulator + void TruncatedFinal(byte *digest, size_t digestSize) + {throw NotImplemented("PK_MessageAccumulator: TruncatedFinal() should not be called");} +}; + +//! interface for public-key signers + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_Signer : public PK_SignatureScheme, public PrivateKeyAlgorithm +{ +public: + //! create a new HashTransformation to accumulate the message to be signed + virtual PK_MessageAccumulator * NewSignatureAccumulator(RandomNumberGenerator &rng) const =0; + + virtual void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const =0; + + //! sign and delete messageAccumulator (even in case of exception thrown) + /*! \pre size of signature == MaxSignatureLength() + \return actual signature length + */ + virtual size_t Sign(RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const; + + //! sign and restart messageAccumulator + /*! \pre size of signature == MaxSignatureLength() + \return actual signature length + */ + virtual size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const =0; + + //! sign a message + /*! \pre size of signature == MaxSignatureLength() + \return actual signature length + */ + virtual size_t SignMessage(RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const; + + //! sign a recoverable message + /*! \pre size of signature == MaxSignatureLength(recoverableMessageLength) + \return actual signature length + */ + virtual size_t SignMessageWithRecovery(RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, + const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const; +}; + +//! interface for public-key signature verifiers +/*! The Recover* functions throw NotImplemented if the signature scheme does not support + message recovery. + The Verify* functions throw InvalidDataFormat if the scheme does support message + recovery and the signature contains a non-empty recoverable message part. The + Recovery* functions should be used in that case. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_Verifier : public PK_SignatureScheme, public PublicKeyAlgorithm +{ +public: + //! create a new HashTransformation to accumulate the message to be verified + virtual PK_MessageAccumulator * NewVerificationAccumulator() const =0; + + //! input signature into a message accumulator + virtual void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const =0; + + //! check whether messageAccumulator contains a valid signature and message, and delete messageAccumulator (even in case of exception thrown) + virtual bool Verify(PK_MessageAccumulator *messageAccumulator) const; + + //! check whether messageAccumulator contains a valid signature and message, and restart messageAccumulator + virtual bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const =0; + + //! check whether input signature is a valid signature for input message + virtual bool VerifyMessage(const byte *message, size_t messageLen, + const byte *signature, size_t signatureLength) const; + + //! recover a message from its signature + /*! \pre size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) + */ + virtual DecodingResult Recover(byte *recoveredMessage, PK_MessageAccumulator *messageAccumulator) const; + + //! recover a message from its signature + /*! \pre size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) + */ + virtual DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &messageAccumulator) const =0; + + //! recover a message from its signature + /*! \pre size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) + */ + virtual DecodingResult RecoverMessage(byte *recoveredMessage, + const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, + const byte *signature, size_t signatureLength) const; +}; + +//! interface for domains of simple key agreement protocols + +/*! A key agreement domain is a set of parameters that must be shared + by two parties in a key agreement protocol, along with the algorithms + for generating key pairs and deriving agreed values. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE SimpleKeyAgreementDomain : public KeyAgreementAlgorithm +{ +public: + //! return length of agreed value produced + virtual unsigned int AgreedValueLength() const =0; + //! return length of private keys in this domain + virtual unsigned int PrivateKeyLength() const =0; + //! return length of public keys in this domain + virtual unsigned int PublicKeyLength() const =0; + //! generate private key + /*! \pre size of privateKey == PrivateKeyLength() */ + virtual void GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const =0; + //! generate public key + /*! \pre size of publicKey == PublicKeyLength() */ + virtual void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const =0; + //! generate private/public key pair + /*! \note equivalent to calling GeneratePrivateKey() and then GeneratePublicKey() */ + virtual void GenerateKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const; + //! derive agreed value from your private key and couterparty's public key, return false in case of failure + /*! \note If you have previously validated the public key, use validateOtherPublicKey=false to save time. + \pre size of agreedValue == AgreedValueLength() + \pre length of privateKey == PrivateKeyLength() + \pre length of otherPublicKey == PublicKeyLength() + */ + virtual bool Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey=true) const =0; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + bool ValidateDomainParameters(RandomNumberGenerator &rng) const + {return GetCryptoParameters().Validate(rng, 2);} +#endif +}; + +//! interface for domains of authenticated key agreement protocols + +/*! In an authenticated key agreement protocol, each party has two + key pairs. The long-lived key pair is called the static key pair, + and the short-lived key pair is called the ephemeral key pair. +*/ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedKeyAgreementDomain : public KeyAgreementAlgorithm +{ +public: + //! return length of agreed value produced + virtual unsigned int AgreedValueLength() const =0; + + //! return length of static private keys in this domain + virtual unsigned int StaticPrivateKeyLength() const =0; + //! return length of static public keys in this domain + virtual unsigned int StaticPublicKeyLength() const =0; + //! generate static private key + /*! \pre size of privateKey == PrivateStaticKeyLength() */ + virtual void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const =0; + //! generate static public key + /*! \pre size of publicKey == PublicStaticKeyLength() */ + virtual void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const =0; + //! generate private/public key pair + /*! \note equivalent to calling GenerateStaticPrivateKey() and then GenerateStaticPublicKey() */ + virtual void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const; + + //! return length of ephemeral private keys in this domain + virtual unsigned int EphemeralPrivateKeyLength() const =0; + //! return length of ephemeral public keys in this domain + virtual unsigned int EphemeralPublicKeyLength() const =0; + //! generate ephemeral private key + /*! \pre size of privateKey == PrivateEphemeralKeyLength() */ + virtual void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const =0; + //! generate ephemeral public key + /*! \pre size of publicKey == PublicEphemeralKeyLength() */ + virtual void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const =0; + //! generate private/public key pair + /*! \note equivalent to calling GenerateEphemeralPrivateKey() and then GenerateEphemeralPublicKey() */ + virtual void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const; + + //! derive agreed value from your private keys and couterparty's public keys, return false in case of failure + /*! \note The ephemeral public key will always be validated. + If you have previously validated the static public key, use validateStaticOtherPublicKey=false to save time. + \pre size of agreedValue == AgreedValueLength() + \pre length of staticPrivateKey == StaticPrivateKeyLength() + \pre length of ephemeralPrivateKey == EphemeralPrivateKeyLength() + \pre length of staticOtherPublicKey == StaticPublicKeyLength() + \pre length of ephemeralOtherPublicKey == EphemeralPublicKeyLength() + */ + virtual bool Agree(byte *agreedValue, + const byte *staticPrivateKey, const byte *ephemeralPrivateKey, + const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, + bool validateStaticOtherPublicKey=true) const =0; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + bool ValidateDomainParameters(RandomNumberGenerator &rng) const + {return GetCryptoParameters().Validate(rng, 2);} +#endif +}; + +// interface for password authenticated key agreement protocols, not implemented yet +#if 0 +//! interface for protocol sessions +/*! The methods should be called in the following order: + + InitializeSession(rng, parameters); // or call initialize method in derived class + while (true) + { + if (OutgoingMessageAvailable()) + { + length = GetOutgoingMessageLength(); + GetOutgoingMessage(message); + ; // send outgoing message + } + + if (LastMessageProcessed()) + break; + + ; // receive incoming message + ProcessIncomingMessage(message); + } + ; // call methods in derived class to obtain result of protocol session +*/ +class ProtocolSession +{ +public: + //! exception thrown when an invalid protocol message is processed + class ProtocolError : public Exception + { + public: + ProtocolError(ErrorType errorType, const std::string &s) : Exception(errorType, s) {} + }; + + //! exception thrown when a function is called unexpectedly + /*! for example calling ProcessIncomingMessage() when ProcessedLastMessage() == true */ + class UnexpectedMethodCall : public Exception + { + public: + UnexpectedMethodCall(const std::string &s) : Exception(OTHER_ERROR, s) {} + }; + + ProtocolSession() : m_rng(NULL), m_throwOnProtocolError(true), m_validState(false) {} + virtual ~ProtocolSession() {} + + virtual void InitializeSession(RandomNumberGenerator &rng, const NameValuePairs ¶meters) =0; + + bool GetThrowOnProtocolError() const {return m_throwOnProtocolError;} + void SetThrowOnProtocolError(bool throwOnProtocolError) {m_throwOnProtocolError = throwOnProtocolError;} + + bool HasValidState() const {return m_validState;} + + virtual bool OutgoingMessageAvailable() const =0; + virtual unsigned int GetOutgoingMessageLength() const =0; + virtual void GetOutgoingMessage(byte *message) =0; + + virtual bool LastMessageProcessed() const =0; + virtual void ProcessIncomingMessage(const byte *message, unsigned int messageLength) =0; + +protected: + void HandleProtocolError(Exception::ErrorType errorType, const std::string &s) const; + void CheckAndHandleInvalidState() const; + void SetValidState(bool valid) {m_validState = valid;} + + RandomNumberGenerator *m_rng; + +private: + bool m_throwOnProtocolError, m_validState; +}; + +class KeyAgreementSession : public ProtocolSession +{ +public: + virtual unsigned int GetAgreedValueLength() const =0; + virtual void GetAgreedValue(byte *agreedValue) const =0; +}; + +class PasswordAuthenticatedKeyAgreementSession : public KeyAgreementSession +{ +public: + void InitializePasswordAuthenticatedKeyAgreementSession(RandomNumberGenerator &rng, + const byte *myId, unsigned int myIdLength, + const byte *counterPartyId, unsigned int counterPartyIdLength, + const byte *passwordOrVerifier, unsigned int passwordOrVerifierLength); +}; + +class PasswordAuthenticatedKeyAgreementDomain : public KeyAgreementAlgorithm +{ +public: + //! return whether the domain parameters stored in this object are valid + virtual bool ValidateDomainParameters(RandomNumberGenerator &rng) const + {return GetCryptoParameters().Validate(rng, 2);} + + virtual unsigned int GetPasswordVerifierLength(const byte *password, unsigned int passwordLength) const =0; + virtual void GeneratePasswordVerifier(RandomNumberGenerator &rng, const byte *userId, unsigned int userIdLength, const byte *password, unsigned int passwordLength, byte *verifier) const =0; + + enum RoleFlags {CLIENT=1, SERVER=2, INITIATOR=4, RESPONDER=8}; + + virtual bool IsValidRole(unsigned int role) =0; + virtual PasswordAuthenticatedKeyAgreementSession * CreateProtocolSession(unsigned int role) const =0; +}; +#endif + +//! BER Decode Exception Class, may be thrown during an ASN1 BER decode operation +class CRYPTOPP_DLL BERDecodeErr : public InvalidArgument +{ +public: + BERDecodeErr() : InvalidArgument("BER decode error") {} + BERDecodeErr(const std::string &s) : InvalidArgument(s) {} +}; + +//! interface for encoding and decoding ASN1 objects +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE ASN1Object +{ +public: + virtual ~ASN1Object() {} + //! decode this object from a BufferedTransformation, using BER (Basic Encoding Rules) + virtual void BERDecode(BufferedTransformation &bt) =0; + //! encode this object into a BufferedTransformation, using DER (Distinguished Encoding Rules) + virtual void DEREncode(BufferedTransformation &bt) const =0; + //! encode this object into a BufferedTransformation, using BER + /*! this may be useful if DEREncode() would be too inefficient */ + virtual void BEREncode(BufferedTransformation &bt) const {DEREncode(bt);} +}; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY +typedef PK_SignatureScheme PK_SignatureSystem; +typedef SimpleKeyAgreementDomain PK_SimpleKeyAgreementDomain; +typedef AuthenticatedKeyAgreementDomain PK_AuthenticatedKeyAgreementDomain; +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/default.cpp b/CryptoPP/default.cpp new file mode 100644 index 000000000..72940784d --- /dev/null +++ b/CryptoPP/default.cpp @@ -0,0 +1,258 @@ +// default.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "default.h" +#include "queue.h" +#include <time.h> +#include <memory> + +NAMESPACE_BEGIN(CryptoPP) + +static const unsigned int MASH_ITERATIONS = 200; +static const unsigned int SALTLENGTH = 8; +static const unsigned int BLOCKSIZE = Default_BlockCipher::Encryption::BLOCKSIZE; +static const unsigned int KEYLENGTH = Default_BlockCipher::Encryption::DEFAULT_KEYLENGTH; + +// The purpose of this function Mash() is to take an arbitrary length input +// string and *deterministicly* produce an arbitrary length output string such +// that (1) it looks random, (2) no information about the input is +// deducible from it, and (3) it contains as much entropy as it can hold, or +// the amount of entropy in the input string, whichever is smaller. + +static void Mash(const byte *in, size_t inLen, byte *out, size_t outLen, int iterations) +{ + if (BytePrecision(outLen) > 2) + throw InvalidArgument("Mash: output legnth too large"); + + size_t bufSize = RoundUpToMultipleOf(outLen, (size_t)DefaultHashModule::DIGESTSIZE); + byte b[2]; + SecByteBlock buf(bufSize); + SecByteBlock outBuf(bufSize); + DefaultHashModule hash; + + unsigned int i; + for(i=0; i<outLen; i+=DefaultHashModule::DIGESTSIZE) + { + b[0] = (byte) (i >> 8); + b[1] = (byte) i; + hash.Update(b, 2); + hash.Update(in, inLen); + hash.Final(outBuf+i); + } + + while (iterations-- > 1) + { + memcpy(buf, outBuf, bufSize); + for (i=0; i<bufSize; i+=DefaultHashModule::DIGESTSIZE) + { + b[0] = (byte) (i >> 8); + b[1] = (byte) i; + hash.Update(b, 2); + hash.Update(buf, bufSize); + hash.Final(outBuf+i); + } + } + + memcpy(out, outBuf, outLen); +} + +static void GenerateKeyIV(const byte *passphrase, size_t passphraseLength, const byte *salt, size_t saltLength, byte *key, byte *IV) +{ + SecByteBlock temp(passphraseLength+saltLength); + memcpy(temp, passphrase, passphraseLength); + memcpy(temp+passphraseLength, salt, saltLength); + SecByteBlock keyIV(KEYLENGTH+BLOCKSIZE); + Mash(temp, passphraseLength + saltLength, keyIV, KEYLENGTH+BLOCKSIZE, MASH_ITERATIONS); + memcpy(key, keyIV, KEYLENGTH); + memcpy(IV, keyIV+KEYLENGTH, BLOCKSIZE); +} + +// ******************************************************** + +DefaultEncryptor::DefaultEncryptor(const char *passphrase, BufferedTransformation *attachment) + : ProxyFilter(NULL, 0, 0, attachment), m_passphrase((const byte *)passphrase, strlen(passphrase)) +{ +} + +DefaultEncryptor::DefaultEncryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment) + : ProxyFilter(NULL, 0, 0, attachment), m_passphrase(passphrase, passphraseLength) +{ +} + + +void DefaultEncryptor::FirstPut(const byte *) +{ + // VC60 workaround: __LINE__ expansion bug + CRYPTOPP_COMPILE_ASSERT_INSTANCE(SALTLENGTH <= DefaultHashModule::DIGESTSIZE, 1); + CRYPTOPP_COMPILE_ASSERT_INSTANCE(BLOCKSIZE <= DefaultHashModule::DIGESTSIZE, 2); + + SecByteBlock salt(DefaultHashModule::DIGESTSIZE), keyCheck(DefaultHashModule::DIGESTSIZE); + DefaultHashModule hash; + + // use hash(passphrase | time | clock) as salt + hash.Update(m_passphrase, m_passphrase.size()); + time_t t=time(0); + hash.Update((byte *)&t, sizeof(t)); + clock_t c=clock(); + hash.Update((byte *)&c, sizeof(c)); + hash.Final(salt); + + // use hash(passphrase | salt) as key check + hash.Update(m_passphrase, m_passphrase.size()); + hash.Update(salt, SALTLENGTH); + hash.Final(keyCheck); + + AttachedTransformation()->Put(salt, SALTLENGTH); + + // mash passphrase and salt together into key and IV + SecByteBlock key(KEYLENGTH); + SecByteBlock IV(BLOCKSIZE); + GenerateKeyIV(m_passphrase, m_passphrase.size(), salt, SALTLENGTH, key, IV); + + m_cipher.SetKeyWithIV(key, key.size(), IV); + SetFilter(new StreamTransformationFilter(m_cipher)); + + m_filter->Put(keyCheck, BLOCKSIZE); +} + +void DefaultEncryptor::LastPut(const byte *inString, size_t length) +{ + m_filter->MessageEnd(); +} + +// ******************************************************** + +DefaultDecryptor::DefaultDecryptor(const char *p, BufferedTransformation *attachment, bool throwException) + : ProxyFilter(NULL, SALTLENGTH+BLOCKSIZE, 0, attachment) + , m_state(WAITING_FOR_KEYCHECK) + , m_passphrase((const byte *)p, strlen(p)) + , m_throwException(throwException) +{ +} + +DefaultDecryptor::DefaultDecryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment, bool throwException) + : ProxyFilter(NULL, SALTLENGTH+BLOCKSIZE, 0, attachment) + , m_state(WAITING_FOR_KEYCHECK) + , m_passphrase(passphrase, passphraseLength) + , m_throwException(throwException) +{ +} + +void DefaultDecryptor::FirstPut(const byte *inString) +{ + CheckKey(inString, inString+SALTLENGTH); +} + +void DefaultDecryptor::LastPut(const byte *inString, size_t length) +{ + if (m_filter.get() == NULL) + { + m_state = KEY_BAD; + if (m_throwException) + throw KeyBadErr(); + } + else + { + m_filter->MessageEnd(); + m_state = WAITING_FOR_KEYCHECK; + } +} + +void DefaultDecryptor::CheckKey(const byte *salt, const byte *keyCheck) +{ + SecByteBlock check(STDMAX((unsigned int)2*BLOCKSIZE, (unsigned int)DefaultHashModule::DIGESTSIZE)); + + DefaultHashModule hash; + hash.Update(m_passphrase, m_passphrase.size()); + hash.Update(salt, SALTLENGTH); + hash.Final(check); + + SecByteBlock key(KEYLENGTH); + SecByteBlock IV(BLOCKSIZE); + GenerateKeyIV(m_passphrase, m_passphrase.size(), salt, SALTLENGTH, key, IV); + + m_cipher.SetKeyWithIV(key, key.size(), IV); + std::auto_ptr<StreamTransformationFilter> decryptor(new StreamTransformationFilter(m_cipher)); + + decryptor->Put(keyCheck, BLOCKSIZE); + decryptor->ForceNextPut(); + decryptor->Get(check+BLOCKSIZE, BLOCKSIZE); + + SetFilter(decryptor.release()); + + if (!VerifyBufsEqual(check, check+BLOCKSIZE, BLOCKSIZE)) + { + m_state = KEY_BAD; + if (m_throwException) + throw KeyBadErr(); + } + else + m_state = KEY_GOOD; +} + +// ******************************************************** + +static DefaultMAC * NewDefaultEncryptorMAC(const byte *passphrase, size_t passphraseLength) +{ + size_t macKeyLength = DefaultMAC::StaticGetValidKeyLength(16); + SecByteBlock macKey(macKeyLength); + // since the MAC is encrypted there is no reason to mash the passphrase for many iterations + Mash(passphrase, passphraseLength, macKey, macKeyLength, 1); + return new DefaultMAC(macKey, macKeyLength); +} + +DefaultEncryptorWithMAC::DefaultEncryptorWithMAC(const char *passphrase, BufferedTransformation *attachment) + : ProxyFilter(NULL, 0, 0, attachment) + , m_mac(NewDefaultEncryptorMAC((const byte *)passphrase, strlen(passphrase))) +{ + SetFilter(new HashFilter(*m_mac, new DefaultEncryptor(passphrase), true)); +} + +DefaultEncryptorWithMAC::DefaultEncryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment) + : ProxyFilter(NULL, 0, 0, attachment) + , m_mac(NewDefaultEncryptorMAC(passphrase, passphraseLength)) +{ + SetFilter(new HashFilter(*m_mac, new DefaultEncryptor(passphrase, passphraseLength), true)); +} + +void DefaultEncryptorWithMAC::LastPut(const byte *inString, size_t length) +{ + m_filter->MessageEnd(); +} + +// ******************************************************** + +DefaultDecryptorWithMAC::DefaultDecryptorWithMAC(const char *passphrase, BufferedTransformation *attachment, bool throwException) + : ProxyFilter(NULL, 0, 0, attachment) + , m_mac(NewDefaultEncryptorMAC((const byte *)passphrase, strlen(passphrase))) + , m_throwException(throwException) +{ + SetFilter(new DefaultDecryptor(passphrase, m_hashVerifier=new HashVerifier(*m_mac, NULL, HashVerifier::PUT_MESSAGE), throwException)); +} + +DefaultDecryptorWithMAC::DefaultDecryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment, bool throwException) + : ProxyFilter(NULL, 0, 0, attachment) + , m_mac(NewDefaultEncryptorMAC(passphrase, passphraseLength)) + , m_throwException(throwException) +{ + SetFilter(new DefaultDecryptor(passphrase, passphraseLength, m_hashVerifier=new HashVerifier(*m_mac, NULL, HashVerifier::PUT_MESSAGE), throwException)); +} + +DefaultDecryptor::State DefaultDecryptorWithMAC::CurrentState() const +{ + return static_cast<const DefaultDecryptor *>(m_filter.get())->CurrentState(); +} + +bool DefaultDecryptorWithMAC::CheckLastMAC() const +{ + return m_hashVerifier->GetLastResult(); +} + +void DefaultDecryptorWithMAC::LastPut(const byte *inString, size_t length) +{ + m_filter->MessageEnd(); + if (m_throwException && !CheckLastMAC()) + throw MACBadErr(); +} + +NAMESPACE_END diff --git a/CryptoPP/default.h b/CryptoPP/default.h new file mode 100644 index 000000000..fb5364152 --- /dev/null +++ b/CryptoPP/default.h @@ -0,0 +1,104 @@ +#ifndef CRYPTOPP_DEFAULT_H +#define CRYPTOPP_DEFAULT_H + +#include "sha.h" +#include "hmac.h" +#include "des.h" +#include "filters.h" +#include "modes.h" + +NAMESPACE_BEGIN(CryptoPP) + +typedef DES_EDE2 Default_BlockCipher; +typedef SHA DefaultHashModule; +typedef HMAC<DefaultHashModule> DefaultMAC; + +//! Password-Based Encryptor using DES-EDE2 +class DefaultEncryptor : public ProxyFilter +{ +public: + DefaultEncryptor(const char *passphrase, BufferedTransformation *attachment = NULL); + DefaultEncryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL); + +protected: + void FirstPut(const byte *); + void LastPut(const byte *inString, size_t length); + +private: + SecByteBlock m_passphrase; + CBC_Mode<Default_BlockCipher>::Encryption m_cipher; +}; + +//! Password-Based Decryptor using DES-EDE2 +class DefaultDecryptor : public ProxyFilter +{ +public: + DefaultDecryptor(const char *passphrase, BufferedTransformation *attachment = NULL, bool throwException=true); + DefaultDecryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL, bool throwException=true); + + class Err : public Exception + { + public: + Err(const std::string &s) + : Exception(DATA_INTEGRITY_CHECK_FAILED, s) {} + }; + class KeyBadErr : public Err {public: KeyBadErr() : Err("DefaultDecryptor: cannot decrypt message with this passphrase") {}}; + + enum State {WAITING_FOR_KEYCHECK, KEY_GOOD, KEY_BAD}; + State CurrentState() const {return m_state;} + +protected: + void FirstPut(const byte *inString); + void LastPut(const byte *inString, size_t length); + + State m_state; + +private: + void CheckKey(const byte *salt, const byte *keyCheck); + + SecByteBlock m_passphrase; + CBC_Mode<Default_BlockCipher>::Decryption m_cipher; + member_ptr<FilterWithBufferedInput> m_decryptor; + bool m_throwException; +}; + +//! Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1 +class DefaultEncryptorWithMAC : public ProxyFilter +{ +public: + DefaultEncryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULL); + DefaultEncryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL); + +protected: + void FirstPut(const byte *inString) {} + void LastPut(const byte *inString, size_t length); + +private: + member_ptr<DefaultMAC> m_mac; +}; + +//! Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1 +class DefaultDecryptorWithMAC : public ProxyFilter +{ +public: + class MACBadErr : public DefaultDecryptor::Err {public: MACBadErr() : DefaultDecryptor::Err("DefaultDecryptorWithMAC: MAC check failed") {}}; + + DefaultDecryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULL, bool throwException=true); + DefaultDecryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL, bool throwException=true); + + DefaultDecryptor::State CurrentState() const; + bool CheckLastMAC() const; + +protected: + void FirstPut(const byte *inString) {} + void LastPut(const byte *inString, size_t length); + +private: + member_ptr<DefaultMAC> m_mac; + HashVerifier *m_hashVerifier; + bool m_throwException; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/des.cpp b/CryptoPP/des.cpp new file mode 100644 index 000000000..a6e0c514d --- /dev/null +++ b/CryptoPP/des.cpp @@ -0,0 +1,449 @@ +// des.cpp - modified by Wei Dai from Phil Karn's des.c +// The original code and all modifications are in the public domain. + +/* + * This is a major rewrite of my old public domain DES code written + * circa 1987, which in turn borrowed heavily from Jim Gillogly's 1977 + * public domain code. I pretty much kept my key scheduling code, but + * the actual encrypt/decrypt routines are taken from from Richard + * Outerbridge's DES code as printed in Schneier's "Applied Cryptography." + * + * This code is in the public domain. I would appreciate bug reports and + * enhancements. + * + * Phil Karn KA9Q, karn@unix.ka9q.ampr.org, August 1994. + */ + +#include "pch.h" +#include "misc.h" +#include "des.h" + +NAMESPACE_BEGIN(CryptoPP) + +typedef BlockGetAndPut<word32, BigEndian> Block; + +// Richard Outerbridge's initial permutation algorithm +/* +inline void IPERM(word32 &left, word32 &right) +{ + word32 work; + + work = ((left >> 4) ^ right) & 0x0f0f0f0f; + right ^= work; + left ^= work << 4; + work = ((left >> 16) ^ right) & 0xffff; + right ^= work; + left ^= work << 16; + work = ((right >> 2) ^ left) & 0x33333333; + left ^= work; + right ^= (work << 2); + work = ((right >> 8) ^ left) & 0xff00ff; + left ^= work; + right ^= (work << 8); + right = rotl(right, 1); + work = (left ^ right) & 0xaaaaaaaa; + left ^= work; + right ^= work; + left = rotl(left, 1); +} +inline void FPERM(word32 &left, word32 &right) +{ + word32 work; + + right = rotr(right, 1); + work = (left ^ right) & 0xaaaaaaaa; + left ^= work; + right ^= work; + left = rotr(left, 1); + work = ((left >> 8) ^ right) & 0xff00ff; + right ^= work; + left ^= work << 8; + work = ((left >> 2) ^ right) & 0x33333333; + right ^= work; + left ^= work << 2; + work = ((right >> 16) ^ left) & 0xffff; + left ^= work; + right ^= work << 16; + work = ((right >> 4) ^ left) & 0x0f0f0f0f; + left ^= work; + right ^= work << 4; +} +*/ + +// Wei Dai's modification to Richard Outerbridge's initial permutation +// algorithm, this one is faster if you have access to rotate instructions +// (like in MSVC) +static inline void IPERM(word32 &left, word32 &right) +{ + word32 work; + + right = rotlFixed(right, 4U); + work = (left ^ right) & 0xf0f0f0f0; + left ^= work; + right = rotrFixed(right^work, 20U); + work = (left ^ right) & 0xffff0000; + left ^= work; + right = rotrFixed(right^work, 18U); + work = (left ^ right) & 0x33333333; + left ^= work; + right = rotrFixed(right^work, 6U); + work = (left ^ right) & 0x00ff00ff; + left ^= work; + right = rotlFixed(right^work, 9U); + work = (left ^ right) & 0xaaaaaaaa; + left = rotlFixed(left^work, 1U); + right ^= work; +} + +static inline void FPERM(word32 &left, word32 &right) +{ + word32 work; + + right = rotrFixed(right, 1U); + work = (left ^ right) & 0xaaaaaaaa; + right ^= work; + left = rotrFixed(left^work, 9U); + work = (left ^ right) & 0x00ff00ff; + right ^= work; + left = rotlFixed(left^work, 6U); + work = (left ^ right) & 0x33333333; + right ^= work; + left = rotlFixed(left^work, 18U); + work = (left ^ right) & 0xffff0000; + right ^= work; + left = rotlFixed(left^work, 20U); + work = (left ^ right) & 0xf0f0f0f0; + right ^= work; + left = rotrFixed(left^work, 4U); +} + +void DES::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + RawSetKey(GetCipherDirection(), userKey); +} + +#ifndef CRYPTOPP_IMPORTS + +/* Tables defined in the Data Encryption Standard documents + * Three of these tables, the initial permutation, the final + * permutation and the expansion operator, are regular enough that + * for speed, we hard-code them. They're here for reference only. + * Also, the S and P boxes are used by a separate program, gensp.c, + * to build the combined SP box, Spbox[]. They're also here just + * for reference. + */ +#ifdef notdef +/* initial permutation IP */ +static byte ip[] = { + 58, 50, 42, 34, 26, 18, 10, 2, + 60, 52, 44, 36, 28, 20, 12, 4, + 62, 54, 46, 38, 30, 22, 14, 6, + 64, 56, 48, 40, 32, 24, 16, 8, + 57, 49, 41, 33, 25, 17, 9, 1, + 59, 51, 43, 35, 27, 19, 11, 3, + 61, 53, 45, 37, 29, 21, 13, 5, + 63, 55, 47, 39, 31, 23, 15, 7 +}; + +/* final permutation IP^-1 */ +static byte fp[] = { + 40, 8, 48, 16, 56, 24, 64, 32, + 39, 7, 47, 15, 55, 23, 63, 31, + 38, 6, 46, 14, 54, 22, 62, 30, + 37, 5, 45, 13, 53, 21, 61, 29, + 36, 4, 44, 12, 52, 20, 60, 28, + 35, 3, 43, 11, 51, 19, 59, 27, + 34, 2, 42, 10, 50, 18, 58, 26, + 33, 1, 41, 9, 49, 17, 57, 25 +}; +/* expansion operation matrix */ +static byte ei[] = { + 32, 1, 2, 3, 4, 5, + 4, 5, 6, 7, 8, 9, + 8, 9, 10, 11, 12, 13, + 12, 13, 14, 15, 16, 17, + 16, 17, 18, 19, 20, 21, + 20, 21, 22, 23, 24, 25, + 24, 25, 26, 27, 28, 29, + 28, 29, 30, 31, 32, 1 +}; +/* The (in)famous S-boxes */ +static byte sbox[8][64] = { + /* S1 */ + 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, + 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, + 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, + 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13, + + /* S2 */ + 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, + 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, + 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, + 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9, + + /* S3 */ + 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, + 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, + 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, + 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12, + + /* S4 */ + 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, + 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, + 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, + 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14, + + /* S5 */ + 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, + 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, + 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, + 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3, + + /* S6 */ + 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, + 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, + 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, + 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13, + + /* S7 */ + 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, + 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, + 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, + 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12, + + /* S8 */ + 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, + 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, + 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, + 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 +}; + +/* 32-bit permutation function P used on the output of the S-boxes */ +static byte p32i[] = { + 16, 7, 20, 21, + 29, 12, 28, 17, + 1, 15, 23, 26, + 5, 18, 31, 10, + 2, 8, 24, 14, + 32, 27, 3, 9, + 19, 13, 30, 6, + 22, 11, 4, 25 +}; +#endif + +/* permuted choice table (key) */ +static const byte pc1[] = { + 57, 49, 41, 33, 25, 17, 9, + 1, 58, 50, 42, 34, 26, 18, + 10, 2, 59, 51, 43, 35, 27, + 19, 11, 3, 60, 52, 44, 36, + + 63, 55, 47, 39, 31, 23, 15, + 7, 62, 54, 46, 38, 30, 22, + 14, 6, 61, 53, 45, 37, 29, + 21, 13, 5, 28, 20, 12, 4 +}; + +/* number left rotations of pc1 */ +static const byte totrot[] = { + 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 +}; + +/* permuted choice key (table) */ +static const byte pc2[] = { + 14, 17, 11, 24, 1, 5, + 3, 28, 15, 6, 21, 10, + 23, 19, 12, 4, 26, 8, + 16, 7, 27, 20, 13, 2, + 41, 52, 31, 37, 47, 55, + 30, 40, 51, 45, 33, 48, + 44, 49, 39, 56, 34, 53, + 46, 42, 50, 36, 29, 32 +}; + +/* End of DES-defined tables */ + +/* bit 0 is left-most in byte */ +static const int bytebit[] = { + 0200,0100,040,020,010,04,02,01 +}; + +/* Set key (initialize key schedule array) */ +void RawDES::RawSetKey(CipherDir dir, const byte *key) +{ + SecByteBlock buffer(56+56+8); + byte *const pc1m=buffer; /* place to modify pc1 into */ + byte *const pcr=pc1m+56; /* place to rotate pc1 into */ + byte *const ks=pcr+56; + register int i,j,l; + int m; + + for (j=0; j<56; j++) { /* convert pc1 to bits of key */ + l=pc1[j]-1; /* integer bit location */ + m = l & 07; /* find bit */ + pc1m[j]=(key[l>>3] & /* find which key byte l is in */ + bytebit[m]) /* and which bit of that byte */ + ? 1 : 0; /* and store 1-bit result */ + } + for (i=0; i<16; i++) { /* key chunk for each iteration */ + memset(ks,0,8); /* Clear key schedule */ + for (j=0; j<56; j++) /* rotate pc1 the right amount */ + pcr[j] = pc1m[(l=j+totrot[i])<(j<28? 28 : 56) ? l: l-28]; + /* rotate left and right halves independently */ + for (j=0; j<48; j++){ /* select bits individually */ + /* check bit that goes to ks[j] */ + if (pcr[pc2[j]-1]){ + /* mask it in if it's there */ + l= j % 6; + ks[j/6] |= bytebit[l] >> 2; + } + } + /* Now convert to odd/even interleaved form for use in F */ + k[2*i] = ((word32)ks[0] << 24) + | ((word32)ks[2] << 16) + | ((word32)ks[4] << 8) + | ((word32)ks[6]); + k[2*i+1] = ((word32)ks[1] << 24) + | ((word32)ks[3] << 16) + | ((word32)ks[5] << 8) + | ((word32)ks[7]); + } + + if (dir==DECRYPTION) // reverse key schedule order + for (i=0; i<16; i+=2) + { + std::swap(k[i], k[32-2-i]); + std::swap(k[i+1], k[32-1-i]); + } +} + +void RawDES::RawProcessBlock(word32 &l_, word32 &r_) const +{ + word32 l = l_, r = r_; + const word32 *kptr=k; + + for (unsigned i=0; i<8; i++) + { + word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0]; + l ^= Spbox[6][(work) & 0x3f] + ^ Spbox[4][(work >> 8) & 0x3f] + ^ Spbox[2][(work >> 16) & 0x3f] + ^ Spbox[0][(work >> 24) & 0x3f]; + work = r ^ kptr[4*i+1]; + l ^= Spbox[7][(work) & 0x3f] + ^ Spbox[5][(work >> 8) & 0x3f] + ^ Spbox[3][(work >> 16) & 0x3f] + ^ Spbox[1][(work >> 24) & 0x3f]; + + work = rotrFixed(l, 4U) ^ kptr[4*i+2]; + r ^= Spbox[6][(work) & 0x3f] + ^ Spbox[4][(work >> 8) & 0x3f] + ^ Spbox[2][(work >> 16) & 0x3f] + ^ Spbox[0][(work >> 24) & 0x3f]; + work = l ^ kptr[4*i+3]; + r ^= Spbox[7][(work) & 0x3f] + ^ Spbox[5][(work >> 8) & 0x3f] + ^ Spbox[3][(work >> 16) & 0x3f] + ^ Spbox[1][(work >> 24) & 0x3f]; + } + + l_ = l; r_ = r; +} + +void DES_EDE2::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + m_des1.RawSetKey(GetCipherDirection(), userKey); + m_des2.RawSetKey(ReverseCipherDir(GetCipherDirection()), userKey+8); +} + +void DES_EDE2::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 l,r; + Block::Get(inBlock)(l)(r); + IPERM(l,r); + m_des1.RawProcessBlock(l, r); + m_des2.RawProcessBlock(r, l); + m_des1.RawProcessBlock(l, r); + FPERM(l,r); + Block::Put(xorBlock, outBlock)(r)(l); +} + +void DES_EDE3::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + m_des1.RawSetKey(GetCipherDirection(), userKey + (IsForwardTransformation() ? 0 : 16)); + m_des2.RawSetKey(ReverseCipherDir(GetCipherDirection()), userKey + 8); + m_des3.RawSetKey(GetCipherDirection(), userKey + (IsForwardTransformation() ? 16 : 0)); +} + +void DES_EDE3::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 l,r; + Block::Get(inBlock)(l)(r); + IPERM(l,r); + m_des1.RawProcessBlock(l, r); + m_des2.RawProcessBlock(r, l); + m_des3.RawProcessBlock(l, r); + FPERM(l,r); + Block::Put(xorBlock, outBlock)(r)(l); +} + +#endif // #ifndef CRYPTOPP_IMPORTS + +static inline bool CheckParity(byte b) +{ + unsigned int a = b ^ (b >> 4); + return ((a ^ (a>>1) ^ (a>>2) ^ (a>>3)) & 1) == 1; +} + +bool DES::CheckKeyParityBits(const byte *key) +{ + for (unsigned int i=0; i<8; i++) + if (!CheckParity(key[i])) + return false; + return true; +} + +void DES::CorrectKeyParityBits(byte *key) +{ + for (unsigned int i=0; i<8; i++) + if (!CheckParity(key[i])) + key[i] ^= 1; +} + +// Encrypt or decrypt a block of data in ECB mode +void DES::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 l,r; + Block::Get(inBlock)(l)(r); + IPERM(l,r); + RawProcessBlock(l, r); + FPERM(l,r); + Block::Put(xorBlock, outBlock)(r)(l); +} + +void DES_XEX3::Base::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + if (!m_des.get()) + m_des.reset(new DES::Encryption); + + memcpy(m_x1, key + (IsForwardTransformation() ? 0 : 16), BLOCKSIZE); + m_des->RawSetKey(GetCipherDirection(), key + 8); + memcpy(m_x3, key + (IsForwardTransformation() ? 16 : 0), BLOCKSIZE); +} + +void DES_XEX3::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + xorbuf(outBlock, inBlock, m_x1, BLOCKSIZE); + m_des->ProcessAndXorBlock(outBlock, xorBlock, outBlock); + xorbuf(outBlock, m_x3, BLOCKSIZE); +} + +NAMESPACE_END diff --git a/CryptoPP/des.h b/CryptoPP/des.h new file mode 100644 index 000000000..62f628824 --- /dev/null +++ b/CryptoPP/des.h @@ -0,0 +1,144 @@ +#ifndef CRYPTOPP_DES_H +#define CRYPTOPP_DES_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +class CRYPTOPP_DLL RawDES +{ +public: + void RawSetKey(CipherDir direction, const byte *userKey); + void RawProcessBlock(word32 &l, word32 &r) const; + +protected: + static const word32 Spbox[8][64]; + + FixedSizeSecBlock<word32, 32> k; +}; + +//! _ +struct DES_Info : public FixedBlockSize<8>, public FixedKeyLength<8> +{ + // disable DES in DLL version by not exporting this function + static const char * StaticAlgorithmName() {return "DES";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#DES">DES</a> +/*! The DES implementation in Crypto++ ignores the parity bits + (the least significant bits of each byte) in the key. However + you can use CheckKeyParityBits() and CorrectKeyParityBits() to + check or correct the parity bits if you wish. */ +class DES : public DES_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_Info>, public RawDES + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + //! check DES key parity bits + static bool CheckKeyParityBits(const byte *key); + //! correct DES key parity bits + static void CorrectKeyParityBits(byte *key); + + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +//! _ +struct DES_EDE2_Info : public FixedBlockSize<8>, public FixedKeyLength<16> +{ + CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "DES-EDE2";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE2</a> +class DES_EDE2 : public DES_EDE2_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_EDE2_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + RawDES m_des1, m_des2; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +//! _ +struct DES_EDE3_Info : public FixedBlockSize<8>, public FixedKeyLength<24> +{ + CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "DES-EDE3";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE3</a> +class DES_EDE3 : public DES_EDE3_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_EDE3_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + RawDES m_des1, m_des2, m_des3; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +//! _ +struct DES_XEX3_Info : public FixedBlockSize<8>, public FixedKeyLength<24> +{ + static const char *StaticAlgorithmName() {return "DES-XEX3";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESX">DES-XEX3</a>, AKA DESX +class DES_XEX3 : public DES_XEX3_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<DES_XEX3_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + FixedSizeSecBlock<byte, BLOCKSIZE> m_x1, m_x3; + // VS2005 workaround: calling modules compiled with /clr gets unresolved external symbol DES::Base::ProcessAndXorBlock + // if we use DES::Encryption here directly without value_ptr. + value_ptr<DES::Encryption> m_des; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +typedef DES::Encryption DESEncryption; +typedef DES::Decryption DESDecryption; + +typedef DES_EDE2::Encryption DES_EDE2_Encryption; +typedef DES_EDE2::Decryption DES_EDE2_Decryption; + +typedef DES_EDE3::Encryption DES_EDE3_Encryption; +typedef DES_EDE3::Decryption DES_EDE3_Decryption; + +typedef DES_XEX3::Encryption DES_XEX3_Encryption; +typedef DES_XEX3::Decryption DES_XEX3_Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dessp.cpp b/CryptoPP/dessp.cpp new file mode 100644 index 000000000..49ed1d26d --- /dev/null +++ b/CryptoPP/dessp.cpp @@ -0,0 +1,95 @@ +// This file is mostly generated by Phil Karn's gensp.c + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "des.h" + +NAMESPACE_BEGIN(CryptoPP) + +// VC60 workaround: gives a C4786 warning without this function +// when runtime lib is set to multithread debug DLL +// even though warning 4786 is disabled! +void DES_VC60Workaround() +{ +} + +const word32 RawDES::Spbox[8][64] = { +{ +0x01010400,0x00000000,0x00010000,0x01010404, 0x01010004,0x00010404,0x00000004,0x00010000, +0x00000400,0x01010400,0x01010404,0x00000400, 0x01000404,0x01010004,0x01000000,0x00000004, +0x00000404,0x01000400,0x01000400,0x00010400, 0x00010400,0x01010000,0x01010000,0x01000404, +0x00010004,0x01000004,0x01000004,0x00010004, 0x00000000,0x00000404,0x00010404,0x01000000, +0x00010000,0x01010404,0x00000004,0x01010000, 0x01010400,0x01000000,0x01000000,0x00000400, +0x01010004,0x00010000,0x00010400,0x01000004, 0x00000400,0x00000004,0x01000404,0x00010404, +0x01010404,0x00010004,0x01010000,0x01000404, 0x01000004,0x00000404,0x00010404,0x01010400, +0x00000404,0x01000400,0x01000400,0x00000000, 0x00010004,0x00010400,0x00000000,0x01010004}, +{ +0x80108020,0x80008000,0x00008000,0x00108020, 0x00100000,0x00000020,0x80100020,0x80008020, +0x80000020,0x80108020,0x80108000,0x80000000, 0x80008000,0x00100000,0x00000020,0x80100020, +0x00108000,0x00100020,0x80008020,0x00000000, 0x80000000,0x00008000,0x00108020,0x80100000, +0x00100020,0x80000020,0x00000000,0x00108000, 0x00008020,0x80108000,0x80100000,0x00008020, +0x00000000,0x00108020,0x80100020,0x00100000, 0x80008020,0x80100000,0x80108000,0x00008000, +0x80100000,0x80008000,0x00000020,0x80108020, 0x00108020,0x00000020,0x00008000,0x80000000, +0x00008020,0x80108000,0x00100000,0x80000020, 0x00100020,0x80008020,0x80000020,0x00100020, +0x00108000,0x00000000,0x80008000,0x00008020, 0x80000000,0x80100020,0x80108020,0x00108000}, +{ +0x00000208,0x08020200,0x00000000,0x08020008, 0x08000200,0x00000000,0x00020208,0x08000200, +0x00020008,0x08000008,0x08000008,0x00020000, 0x08020208,0x00020008,0x08020000,0x00000208, +0x08000000,0x00000008,0x08020200,0x00000200, 0x00020200,0x08020000,0x08020008,0x00020208, +0x08000208,0x00020200,0x00020000,0x08000208, 0x00000008,0x08020208,0x00000200,0x08000000, +0x08020200,0x08000000,0x00020008,0x00000208, 0x00020000,0x08020200,0x08000200,0x00000000, +0x00000200,0x00020008,0x08020208,0x08000200, 0x08000008,0x00000200,0x00000000,0x08020008, +0x08000208,0x00020000,0x08000000,0x08020208, 0x00000008,0x00020208,0x00020200,0x08000008, +0x08020000,0x08000208,0x00000208,0x08020000, 0x00020208,0x00000008,0x08020008,0x00020200}, +{ +0x00802001,0x00002081,0x00002081,0x00000080, 0x00802080,0x00800081,0x00800001,0x00002001, +0x00000000,0x00802000,0x00802000,0x00802081, 0x00000081,0x00000000,0x00800080,0x00800001, +0x00000001,0x00002000,0x00800000,0x00802001, 0x00000080,0x00800000,0x00002001,0x00002080, +0x00800081,0x00000001,0x00002080,0x00800080, 0x00002000,0x00802080,0x00802081,0x00000081, +0x00800080,0x00800001,0x00802000,0x00802081, 0x00000081,0x00000000,0x00000000,0x00802000, +0x00002080,0x00800080,0x00800081,0x00000001, 0x00802001,0x00002081,0x00002081,0x00000080, +0x00802081,0x00000081,0x00000001,0x00002000, 0x00800001,0x00002001,0x00802080,0x00800081, +0x00002001,0x00002080,0x00800000,0x00802001, 0x00000080,0x00800000,0x00002000,0x00802080}, +{ +0x00000100,0x02080100,0x02080000,0x42000100, 0x00080000,0x00000100,0x40000000,0x02080000, +0x40080100,0x00080000,0x02000100,0x40080100, 0x42000100,0x42080000,0x00080100,0x40000000, +0x02000000,0x40080000,0x40080000,0x00000000, 0x40000100,0x42080100,0x42080100,0x02000100, +0x42080000,0x40000100,0x00000000,0x42000000, 0x02080100,0x02000000,0x42000000,0x00080100, +0x00080000,0x42000100,0x00000100,0x02000000, 0x40000000,0x02080000,0x42000100,0x40080100, +0x02000100,0x40000000,0x42080000,0x02080100, 0x40080100,0x00000100,0x02000000,0x42080000, +0x42080100,0x00080100,0x42000000,0x42080100, 0x02080000,0x00000000,0x40080000,0x42000000, +0x00080100,0x02000100,0x40000100,0x00080000, 0x00000000,0x40080000,0x02080100,0x40000100}, +{ +0x20000010,0x20400000,0x00004000,0x20404010, 0x20400000,0x00000010,0x20404010,0x00400000, +0x20004000,0x00404010,0x00400000,0x20000010, 0x00400010,0x20004000,0x20000000,0x00004010, +0x00000000,0x00400010,0x20004010,0x00004000, 0x00404000,0x20004010,0x00000010,0x20400010, +0x20400010,0x00000000,0x00404010,0x20404000, 0x00004010,0x00404000,0x20404000,0x20000000, +0x20004000,0x00000010,0x20400010,0x00404000, 0x20404010,0x00400000,0x00004010,0x20000010, +0x00400000,0x20004000,0x20000000,0x00004010, 0x20000010,0x20404010,0x00404000,0x20400000, +0x00404010,0x20404000,0x00000000,0x20400010, 0x00000010,0x00004000,0x20400000,0x00404010, +0x00004000,0x00400010,0x20004010,0x00000000, 0x20404000,0x20000000,0x00400010,0x20004010}, +{ +0x00200000,0x04200002,0x04000802,0x00000000, 0x00000800,0x04000802,0x00200802,0x04200800, +0x04200802,0x00200000,0x00000000,0x04000002, 0x00000002,0x04000000,0x04200002,0x00000802, +0x04000800,0x00200802,0x00200002,0x04000800, 0x04000002,0x04200000,0x04200800,0x00200002, +0x04200000,0x00000800,0x00000802,0x04200802, 0x00200800,0x00000002,0x04000000,0x00200800, +0x04000000,0x00200800,0x00200000,0x04000802, 0x04000802,0x04200002,0x04200002,0x00000002, +0x00200002,0x04000000,0x04000800,0x00200000, 0x04200800,0x00000802,0x00200802,0x04200800, +0x00000802,0x04000002,0x04200802,0x04200000, 0x00200800,0x00000000,0x00000002,0x04200802, +0x00000000,0x00200802,0x04200000,0x00000800, 0x04000002,0x04000800,0x00000800,0x00200002}, +{ +0x10001040,0x00001000,0x00040000,0x10041040, 0x10000000,0x10001040,0x00000040,0x10000000, +0x00040040,0x10040000,0x10041040,0x00041000, 0x10041000,0x00041040,0x00001000,0x00000040, +0x10040000,0x10000040,0x10001000,0x00001040, 0x00041000,0x00040040,0x10040040,0x10041000, +0x00001040,0x00000000,0x00000000,0x10040040, 0x10000040,0x10001000,0x00041040,0x00040000, +0x00041040,0x00040000,0x10041000,0x00001000, 0x00000040,0x10040040,0x00001000,0x00041040, +0x10001000,0x00000040,0x10000040,0x10040000, 0x10040040,0x10000000,0x00040000,0x10001040, +0x00000000,0x10041040,0x00040040,0x10000040, 0x10040000,0x10001000,0x10001040,0x00000000, +0x10041040,0x00041000,0x00041000,0x00001040, 0x00001040,0x00040040,0x10000000,0x10041000} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dh.cpp b/CryptoPP/dh.cpp new file mode 100644 index 000000000..22097a051 --- /dev/null +++ b/CryptoPP/dh.cpp @@ -0,0 +1,19 @@ +// dh.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "dh.h" + +NAMESPACE_BEGIN(CryptoPP) + +void DH_TestInstantiations() +{ + DH dh1; + DH dh2(NullRNG(), 10); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dh.h b/CryptoPP/dh.h new file mode 100644 index 000000000..10e8d142e --- /dev/null +++ b/CryptoPP/dh.h @@ -0,0 +1,99 @@ +#ifndef CRYPTOPP_DH_H +#define CRYPTOPP_DH_H + +/** \file +*/ + +#include "gfpcrypt.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! , +template <class GROUP_PARAMETERS, class COFACTOR_OPTION = CPP_TYPENAME GROUP_PARAMETERS::DefaultCofactorOption> +class DH_Domain : public DL_SimpleKeyAgreementDomainBase<typename GROUP_PARAMETERS::Element> +{ + typedef DL_SimpleKeyAgreementDomainBase<typename GROUP_PARAMETERS::Element> Base; + +public: + typedef GROUP_PARAMETERS GroupParameters; + typedef typename GroupParameters::Element Element; + typedef DL_KeyAgreementAlgorithm_DH<Element, COFACTOR_OPTION> DH_Algorithm; + typedef DH_Domain<GROUP_PARAMETERS, COFACTOR_OPTION> Domain; + + DH_Domain() {} + + DH_Domain(const GroupParameters ¶ms) + : m_groupParameters(params) {} + + DH_Domain(BufferedTransformation &bt) + {m_groupParameters.BERDecode(bt);} + + template <class T2> + DH_Domain(RandomNumberGenerator &v1, const T2 &v2) + {m_groupParameters.Initialize(v1, v2);} + + template <class T2, class T3> + DH_Domain(RandomNumberGenerator &v1, const T2 &v2, const T3 &v3) + {m_groupParameters.Initialize(v1, v2, v3);} + + template <class T2, class T3, class T4> + DH_Domain(RandomNumberGenerator &v1, const T2 &v2, const T3 &v3, const T4 &v4) + {m_groupParameters.Initialize(v1, v2, v3, v4);} + + template <class T1, class T2> + DH_Domain(const T1 &v1, const T2 &v2) + {m_groupParameters.Initialize(v1, v2);} + + template <class T1, class T2, class T3> + DH_Domain(const T1 &v1, const T2 &v2, const T3 &v3) + {m_groupParameters.Initialize(v1, v2, v3);} + + template <class T1, class T2, class T3, class T4> + DH_Domain(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4) + {m_groupParameters.Initialize(v1, v2, v3, v4);} + + const GroupParameters & GetGroupParameters() const {return m_groupParameters;} + GroupParameters & AccessGroupParameters() {return m_groupParameters;} + + void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + { + Base::GeneratePublicKey(rng, privateKey, publicKey); + + if (FIPS_140_2_ComplianceEnabled()) + { + SecByteBlock privateKey2(this->PrivateKeyLength()); + this->GeneratePrivateKey(rng, privateKey2); + + SecByteBlock publicKey2(this->PublicKeyLength()); + Base::GeneratePublicKey(rng, privateKey2, publicKey2); + + SecByteBlock agreedValue(this->AgreedValueLength()), agreedValue2(this->AgreedValueLength()); + bool agreed1 = this->Agree(agreedValue, privateKey, publicKey2); + bool agreed2 = this->Agree(agreedValue2, privateKey2, publicKey); + + if (!agreed1 || !agreed2 || agreedValue != agreedValue2) + throw SelfTestFailure(this->AlgorithmName() + ": pairwise consistency test failed"); + } + } + + static std::string CRYPTOPP_API StaticAlgorithmName() + {return GroupParameters::StaticAlgorithmNamePrefix() + DH_Algorithm::StaticAlgorithmName();} + std::string AlgorithmName() const {return StaticAlgorithmName();} + +private: + const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const + {return Singleton<DH_Algorithm>().Ref();} + DL_GroupParameters<Element> & AccessAbstractGroupParameters() + {return m_groupParameters;} + + GroupParameters m_groupParameters; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime>; + +//! <a href="http://www.weidai.com/scan-mirror/ka.html#DH">Diffie-Hellman</a> in GF(p) with key validation +typedef DH_Domain<DL_GroupParameters_GFP_DefaultSafePrime> DH; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dh2.cpp b/CryptoPP/dh2.cpp new file mode 100644 index 000000000..98175ee28 --- /dev/null +++ b/CryptoPP/dh2.cpp @@ -0,0 +1,22 @@ +// dh2.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "dh2.h" + +NAMESPACE_BEGIN(CryptoPP) + +void DH2_TestInstantiations() +{ + DH2 dh(*(SimpleKeyAgreementDomain*)NULL); +} + +bool DH2::Agree(byte *agreedValue, + const byte *staticSecretKey, const byte *ephemeralSecretKey, + const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, + bool validateStaticOtherPublicKey) const +{ + return d1.Agree(agreedValue, staticSecretKey, staticOtherPublicKey, validateStaticOtherPublicKey) + && d2.Agree(agreedValue+d1.AgreedValueLength(), ephemeralSecretKey, ephemeralOtherPublicKey, true); +} + +NAMESPACE_END diff --git a/CryptoPP/dh2.h b/CryptoPP/dh2.h new file mode 100644 index 000000000..af9d342d6 --- /dev/null +++ b/CryptoPP/dh2.h @@ -0,0 +1,58 @@ +#ifndef CRYPTOPP_DH2_H +#define CRYPTOPP_DH2_H + +/** \file +*/ + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a> +class DH2 : public AuthenticatedKeyAgreementDomain +{ +public: + DH2(SimpleKeyAgreementDomain &domain) + : d1(domain), d2(domain) {} + DH2(SimpleKeyAgreementDomain &staticDomain, SimpleKeyAgreementDomain &ephemeralDomain) + : d1(staticDomain), d2(ephemeralDomain) {} + + CryptoParameters & AccessCryptoParameters() {return d1.AccessCryptoParameters();} + + unsigned int AgreedValueLength() const + {return d1.AgreedValueLength() + d2.AgreedValueLength();} + + unsigned int StaticPrivateKeyLength() const + {return d1.PrivateKeyLength();} + unsigned int StaticPublicKeyLength() const + {return d1.PublicKeyLength();} + void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const + {d1.GeneratePrivateKey(rng, privateKey);} + void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + {d1.GeneratePublicKey(rng, privateKey, publicKey);} + void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const + {d1.GenerateKeyPair(rng, privateKey, publicKey);} + + unsigned int EphemeralPrivateKeyLength() const + {return d2.PrivateKeyLength();} + unsigned int EphemeralPublicKeyLength() const + {return d2.PublicKeyLength();} + void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const + {d2.GeneratePrivateKey(rng, privateKey);} + void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + {d2.GeneratePublicKey(rng, privateKey, publicKey);} + void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const + {d2.GenerateKeyPair(rng, privateKey, publicKey);} + + bool Agree(byte *agreedValue, + const byte *staticPrivateKey, const byte *ephemeralPrivateKey, + const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, + bool validateStaticOtherPublicKey=true) const; + +protected: + SimpleKeyAgreementDomain &d1, &d2; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dll.cpp b/CryptoPP/dll.cpp new file mode 100644 index 000000000..2b4ef7ade --- /dev/null +++ b/CryptoPP/dll.cpp @@ -0,0 +1,146 @@ +// dll.cpp - written and placed in the public domain by Wei Dai + +#define CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#define CRYPTOPP_DEFAULT_NO_DLL + +#include "dll.h" +#pragma warning(default: 4660) + +#if defined(CRYPTOPP_EXPORTS) && defined(CRYPTOPP_WIN32_AVAILABLE) +#include <windows.h> +#endif + +#ifndef CRYPTOPP_IMPORTS + +NAMESPACE_BEGIN(CryptoPP) + +template<> const byte PKCS_DigestDecoration<SHA1>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14}; +template<> const unsigned int PKCS_DigestDecoration<SHA1>::length = sizeof(PKCS_DigestDecoration<SHA1>::decoration); + +template<> const byte PKCS_DigestDecoration<SHA224>::decoration[] = {0x30,0x2d,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x04,0x05,0x00,0x04,0x1c}; +template<> const unsigned int PKCS_DigestDecoration<SHA224>::length = sizeof(PKCS_DigestDecoration<SHA224>::decoration); + +template<> const byte PKCS_DigestDecoration<SHA256>::decoration[] = {0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20}; +template<> const unsigned int PKCS_DigestDecoration<SHA256>::length = sizeof(PKCS_DigestDecoration<SHA256>::decoration); + +template<> const byte PKCS_DigestDecoration<SHA384>::decoration[] = {0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30}; +template<> const unsigned int PKCS_DigestDecoration<SHA384>::length = sizeof(PKCS_DigestDecoration<SHA384>::decoration); + +template<> const byte PKCS_DigestDecoration<SHA512>::decoration[] = {0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40}; +template<> const unsigned int PKCS_DigestDecoration<SHA512>::length = sizeof(PKCS_DigestDecoration<SHA512>::decoration); + +template<> const byte EMSA2HashId<SHA>::id = 0x33; +template<> const byte EMSA2HashId<SHA224>::id = 0x38; +template<> const byte EMSA2HashId<SHA256>::id = 0x34; +template<> const byte EMSA2HashId<SHA384>::id = 0x36; +template<> const byte EMSA2HashId<SHA512>::id = 0x35; + +NAMESPACE_END + +#endif + +#ifdef CRYPTOPP_EXPORTS + +USING_NAMESPACE(CryptoPP) + +#if !(defined(_MSC_VER) && (_MSC_VER < 1300)) +using std::set_new_handler; +#endif + +static PNew s_pNew = NULL; +static PDelete s_pDelete = NULL; + +static void * New (size_t size) +{ + void *p; + while (!(p = malloc(size))) + CallNewHandler(); + + return p; +} + +static void SetNewAndDeleteFunctionPointers() +{ + void *p = NULL; + HMODULE hModule = NULL; + MEMORY_BASIC_INFORMATION mbi; + + while (true) + { + VirtualQuery(p, &mbi, sizeof(mbi)); + + if (p >= (char *)mbi.BaseAddress + mbi.RegionSize) + break; + + p = (char *)mbi.BaseAddress + mbi.RegionSize; + + if (!mbi.AllocationBase || mbi.AllocationBase == hModule) + continue; + + hModule = HMODULE(mbi.AllocationBase); + + PGetNewAndDelete pGetNewAndDelete = (PGetNewAndDelete)GetProcAddress(hModule, "GetNewAndDeleteForCryptoPP"); + if (pGetNewAndDelete) + { + pGetNewAndDelete(s_pNew, s_pDelete); + return; + } + + PSetNewAndDelete pSetNewAndDelete = (PSetNewAndDelete)GetProcAddress(hModule, "SetNewAndDeleteFromCryptoPP"); + if (pSetNewAndDelete) + { + s_pNew = &New; + s_pDelete = &free; + pSetNewAndDelete(s_pNew, s_pDelete, &set_new_handler); + return; + } + } + + // try getting these directly using mangled names of new and delete operators + + hModule = GetModuleHandle("msvcrtd"); + if (!hModule) + hModule = GetModuleHandle("msvcrt"); + if (hModule) + { + // 32-bit versions + s_pNew = (PNew)GetProcAddress(hModule, "??2@YAPAXI@Z"); + s_pDelete = (PDelete)GetProcAddress(hModule, "??3@YAXPAX@Z"); + if (s_pNew && s_pDelete) + return; + + // 64-bit versions + s_pNew = (PNew)GetProcAddress(hModule, "??2@YAPEAX_K@Z"); + s_pDelete = (PDelete)GetProcAddress(hModule, "??3@YAXPEAX@Z"); + if (s_pNew && s_pDelete) + return; + } + + OutputDebugString("Crypto++ was not able to obtain new and delete function pointers.\n"); + throw 0; +} + +void * operator new (size_t size) +{ + if (!s_pNew) + SetNewAndDeleteFunctionPointers(); + + return s_pNew(size); +} + +void operator delete (void * p) +{ + s_pDelete(p); +} + +void * operator new [] (size_t size) +{ + return operator new (size); +} + +void operator delete [] (void * p) +{ + operator delete (p); +} + +#endif // #ifdef CRYPTOPP_EXPORTS diff --git a/CryptoPP/dll.h b/CryptoPP/dll.h new file mode 100644 index 000000000..5e42d46fc --- /dev/null +++ b/CryptoPP/dll.h @@ -0,0 +1,71 @@ +#ifndef CRYPTOPP_DLL_H +#define CRYPTOPP_DLL_H + +#if !defined(CRYPTOPP_IMPORTS) && !defined(CRYPTOPP_EXPORTS) && !defined(CRYPTOPP_DEFAULT_NO_DLL) +#ifdef CRYPTOPP_CONFIG_H +#error To use the DLL version of Crypto++, this file must be included before any other Crypto++ header files. +#endif +#define CRYPTOPP_IMPORTS +#endif + +#include "aes.h" +#include "cbcmac.h" +#include "ccm.h" +#include "cmac.h" +#include "channels.h" +#include "des.h" +#include "dh.h" +#include "dsa.h" +#include "ec2n.h" +#include "eccrypto.h" +#include "ecp.h" +#include "files.h" +#include "fips140.h" +#include "gcm.h" +#include "hex.h" +#include "hmac.h" +#include "modes.h" +#include "mqueue.h" +#include "nbtheory.h" +#include "osrng.h" +#include "pkcspad.h" +#include "pssr.h" +#include "randpool.h" +#include "rsa.h" +#include "rw.h" +#include "sha.h" +#include "skipjack.h" +#include "trdlocal.h" + +#ifdef CRYPTOPP_IMPORTS + +#ifdef _DLL +// cause CRT DLL to be initialized before Crypto++ so that we can use malloc and free during DllMain() +#ifdef NDEBUG +#pragma comment(lib, "msvcrt") +#else +#pragma comment(lib, "msvcrtd") +#endif +#endif + +#pragma comment(lib, "cryptopp") + +#endif // #ifdef CRYPTOPP_IMPORTS + +#include <new> // for new_handler + +NAMESPACE_BEGIN(CryptoPP) + +#if !(defined(_MSC_VER) && (_MSC_VER < 1300)) +using std::new_handler; +#endif + +typedef void * (CRYPTOPP_API * PNew)(size_t); +typedef void (CRYPTOPP_API * PDelete)(void *); +typedef void (CRYPTOPP_API * PGetNewAndDelete)(PNew &, PDelete &); +typedef new_handler (CRYPTOPP_API * PSetNewHandler)(new_handler); +typedef void (CRYPTOPP_API * PSetNewAndDelete)(PNew, PDelete, PSetNewHandler); + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dmac.h b/CryptoPP/dmac.h new file mode 100644 index 000000000..80b54ac2f --- /dev/null +++ b/CryptoPP/dmac.h @@ -0,0 +1,93 @@ +#ifndef CRYPTOPP_DMAC_H +#define CRYPTOPP_DMAC_H + +#include "cbcmac.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DMAC_Base : public SameKeyLengthAs<T>, public MessageAuthenticationCode +{ +public: + static std::string StaticAlgorithmName() {return std::string("DMAC(") + T::StaticAlgorithmName() + ")";} + + CRYPTOPP_CONSTANT(DIGESTSIZE=T::BLOCKSIZE) + + DMAC_Base() {} + + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *mac, size_t size); + unsigned int DigestSize() const {return DIGESTSIZE;} + +private: + byte *GenerateSubKeys(const byte *key, size_t keylength); + + size_t m_subkeylength; + SecByteBlock m_subkeys; + CBC_MAC<T> m_mac1; + typename T::Encryption m_f2; + unsigned int m_counter; +}; + +//! DMAC +/*! Based on "CBC MAC for Real-Time Data Sources" by Erez Petrank + and Charles Rackoff. T should be a class derived from BlockCipherDocumentation. +*/ +template <class T> +class DMAC : public MessageAuthenticationCodeFinal<DMAC_Base<T> > +{ +public: + DMAC() {} + DMAC(const byte *key, size_t length=DMAC_Base<T>::DEFAULT_KEYLENGTH) + {this->SetKey(key, length);} +}; + +template <class T> +void DMAC_Base<T>::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) +{ + m_subkeylength = T::StaticGetValidKeyLength(T::BLOCKSIZE); + m_subkeys.resize(2*UnsignedMin((unsigned int)T::BLOCKSIZE, m_subkeylength)); + m_mac1.SetKey(GenerateSubKeys(key, length), m_subkeylength, params); + m_f2.SetKey(m_subkeys+m_subkeys.size()/2, m_subkeylength, params); + m_counter = 0; + m_subkeys.resize(0); +} + +template <class T> +void DMAC_Base<T>::Update(const byte *input, size_t length) +{ + m_mac1.Update(input, length); + m_counter = (unsigned int)((m_counter + length) % T::BLOCKSIZE); +} + +template <class T> +void DMAC_Base<T>::TruncatedFinal(byte *mac, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + byte pad[T::BLOCKSIZE]; + byte padByte = byte(T::BLOCKSIZE-m_counter); + memset(pad, padByte, padByte); + m_mac1.Update(pad, padByte); + m_mac1.TruncatedFinal(mac, size); + m_f2.ProcessBlock(mac); + + m_counter = 0; // reset for next message +} + +template <class T> +byte *DMAC_Base<T>::GenerateSubKeys(const byte *key, size_t keylength) +{ + typename T::Encryption cipher(key, keylength); + memset(m_subkeys, 0, m_subkeys.size()); + cipher.ProcessBlock(m_subkeys); + m_subkeys[m_subkeys.size()/2 + T::BLOCKSIZE - 1] = 1; + cipher.ProcessBlock(m_subkeys+m_subkeys.size()/2); + return m_subkeys; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dsa.cpp b/CryptoPP/dsa.cpp new file mode 100644 index 000000000..ac9e1f8c6 --- /dev/null +++ b/CryptoPP/dsa.cpp @@ -0,0 +1,119 @@ +// dsa.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "dsa.h" +#include "nbtheory.h" + +NAMESPACE_BEGIN(CryptoPP) + +size_t DSAConvertSignatureFormat(byte *buffer, size_t bufferSize, DSASignatureFormat toFormat, const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat) +{ + Integer r, s; + StringStore store(signature, signatureLen); + ArraySink sink(buffer, bufferSize); + + switch (fromFormat) + { + case DSA_P1363: + r.Decode(store, signatureLen/2); + s.Decode(store, signatureLen/2); + break; + case DSA_DER: + { + BERSequenceDecoder seq(store); + r.BERDecode(seq); + s.BERDecode(seq); + seq.MessageEnd(); + break; + } + case DSA_OPENPGP: + r.OpenPGPDecode(store); + s.OpenPGPDecode(store); + break; + } + + switch (toFormat) + { + case DSA_P1363: + r.Encode(sink, bufferSize/2); + s.Encode(sink, bufferSize/2); + break; + case DSA_DER: + { + DERSequenceEncoder seq(sink); + r.DEREncode(seq); + s.DEREncode(seq); + seq.MessageEnd(); + break; + } + case DSA_OPENPGP: + r.OpenPGPEncode(sink); + s.OpenPGPEncode(sink); + break; + } + + return (size_t)sink.TotalPutLength(); +} + +bool DSA::GeneratePrimes(const byte *seedIn, unsigned int g, int &counter, + Integer &p, unsigned int L, Integer &q, bool useInputCounterValue) +{ + assert(g%8 == 0); + + SHA sha; + SecByteBlock seed(seedIn, g/8); + SecByteBlock U(SHA::DIGESTSIZE); + SecByteBlock temp(SHA::DIGESTSIZE); + SecByteBlock W(((L-1)/160+1) * SHA::DIGESTSIZE); + const int n = (L-1) / 160; + const int b = (L-1) % 160; + Integer X; + + sha.CalculateDigest(U, seed, g/8); + + for (int i=g/8-1, carry=true; i>=0 && carry; i--) + carry=!++seed[i]; + + sha.CalculateDigest(temp, seed, g/8); + xorbuf(U, temp, SHA::DIGESTSIZE); + + U[0] |= 0x80; + U[SHA::DIGESTSIZE-1] |= 1; + q.Decode(U, SHA::DIGESTSIZE); + + if (!IsPrime(q)) + return false; + + int counterEnd = useInputCounterValue ? counter+1 : 4096; + + for (int c = 0; c < counterEnd; c++) + { + for (int k=0; k<=n; k++) + { + for (int i=g/8-1, carry=true; i>=0 && carry; i--) + carry=!++seed[i]; + if (!useInputCounterValue || c == counter) + sha.CalculateDigest(W+(n-k)*SHA::DIGESTSIZE, seed, g/8); + } + if (!useInputCounterValue || c == counter) + { + W[SHA::DIGESTSIZE - 1 - b/8] |= 0x80; + X.Decode(W + SHA::DIGESTSIZE - 1 - b/8, L/8); + p = X-((X % (2*q))-1); + + if (p.GetBit(L-1) && IsPrime(p)) + { + counter = c; + return true; + } + } + } + return false; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/dsa.h b/CryptoPP/dsa.h new file mode 100644 index 000000000..6ae03877c --- /dev/null +++ b/CryptoPP/dsa.h @@ -0,0 +1,35 @@ +#ifndef CRYPTOPP_DSA_H +#define CRYPTOPP_DSA_H + +/** \file +*/ + +#include "gfpcrypt.h" + +NAMESPACE_BEGIN(CryptoPP) + +/*! The DSA signature format used by Crypto++ is as defined by IEEE P1363. + Java uses the DER format, and OpenPGP uses the OpenPGP format. */ +enum DSASignatureFormat {DSA_P1363, DSA_DER, DSA_OPENPGP}; +/** This function converts between these formats, and returns length of signature in the target format. + If toFormat == DSA_P1363, bufferSize must equal publicKey.SignatureLength() */ +size_t DSAConvertSignatureFormat(byte *buffer, size_t bufferSize, DSASignatureFormat toFormat, + const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat); + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + +typedef DSA::Signer DSAPrivateKey; +typedef DSA::Verifier DSAPublicKey; + +const int MIN_DSA_PRIME_LENGTH = DSA::MIN_PRIME_LENGTH; +const int MAX_DSA_PRIME_LENGTH = DSA::MAX_PRIME_LENGTH; +const int DSA_PRIME_LENGTH_MULTIPLE = DSA::PRIME_LENGTH_MULTIPLE; + +inline bool GenerateDSAPrimes(const byte *seed, size_t seedLength, int &counter, Integer &p, unsigned int primeLength, Integer &q) + {return DSA::GeneratePrimes(seed, seedLength, counter, p, primeLength, q);} + +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/eax.cpp b/CryptoPP/eax.cpp new file mode 100644 index 000000000..cf836632b --- /dev/null +++ b/CryptoPP/eax.cpp @@ -0,0 +1,59 @@ +// eax.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+#include "eax.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void EAX_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms)
+{
+ AccessMAC().SetKey(userKey, keylength, params);
+ m_buffer.New(2*AccessMAC().TagSize());
+}
+
+void EAX_Base::Resync(const byte *iv, size_t len)
+{
+ MessageAuthenticationCode &mac = AccessMAC();
+ unsigned int blockSize = mac.TagSize();
+
+ memset(m_buffer, 0, blockSize);
+ mac.Update(m_buffer, blockSize);
+ mac.CalculateDigest(m_buffer+blockSize, iv, len);
+
+ m_buffer[blockSize-1] = 1;
+ mac.Update(m_buffer, blockSize);
+
+ m_ctr.SetCipherWithIV(AccessMAC().AccessCipher(), m_buffer+blockSize, blockSize);
+}
+
+size_t EAX_Base::AuthenticateBlocks(const byte *data, size_t len)
+{
+ AccessMAC().Update(data, len);
+ return 0;
+}
+
+void EAX_Base::AuthenticateLastHeaderBlock()
+{
+ assert(m_bufferedDataLength == 0);
+ MessageAuthenticationCode &mac = AccessMAC();
+ unsigned int blockSize = mac.TagSize();
+
+ mac.Final(m_buffer);
+ xorbuf(m_buffer+blockSize, m_buffer, blockSize);
+
+ memset(m_buffer, 0, blockSize);
+ m_buffer[blockSize-1] = 2;
+ mac.Update(m_buffer, blockSize);
+}
+
+void EAX_Base::AuthenticateLastFooterBlock(byte *tag, size_t macSize)
+{
+ assert(m_bufferedDataLength == 0);
+ MessageAuthenticationCode &mac = AccessMAC();
+ unsigned int blockSize = mac.TagSize();
+
+ mac.TruncatedFinal(m_buffer, macSize);
+ xorbuf(tag, m_buffer, m_buffer+blockSize, macSize);
+}
+
+NAMESPACE_END
diff --git a/CryptoPP/eax.h b/CryptoPP/eax.h new file mode 100644 index 000000000..e48ee92b5 --- /dev/null +++ b/CryptoPP/eax.h @@ -0,0 +1,91 @@ +#ifndef CRYPTOPP_EAX_H +#define CRYPTOPP_EAX_H + +#include "authenc.h" +#include "modes.h" +#include "cmac.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! . +class CRYPTOPP_NO_VTABLE EAX_Base : public AuthenticatedSymmetricCipherBase +{ +public: + // AuthenticatedSymmetricCipher + std::string AlgorithmName() const + {return GetMAC().GetCipher().AlgorithmName() + std::string("/EAX");} + size_t MinKeyLength() const + {return GetMAC().MinKeyLength();} + size_t MaxKeyLength() const + {return GetMAC().MaxKeyLength();} + size_t DefaultKeyLength() const + {return GetMAC().DefaultKeyLength();} + size_t GetValidKeyLength(size_t n) const + {return GetMAC().GetValidKeyLength(n);} + bool IsValidKeyLength(size_t n) const + {return GetMAC().IsValidKeyLength(n);} + unsigned int OptimalDataAlignment() const + {return GetMAC().OptimalDataAlignment();} + IV_Requirement IVRequirement() const + {return UNIQUE_IV;} + unsigned int IVSize() const + {return GetMAC().TagSize();} + unsigned int MinIVLength() const + {return 0;} + unsigned int MaxIVLength() const + {return UINT_MAX;} + unsigned int DigestSize() const + {return GetMAC().TagSize();} + lword MaxHeaderLength() const + {return LWORD_MAX;} + lword MaxMessageLength() const + {return LWORD_MAX;} + +protected: + // AuthenticatedSymmetricCipherBase + bool AuthenticationIsOnPlaintext() const + {return false;} + unsigned int AuthenticationBlockSize() const + {return 1;} + void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms); + void Resync(const byte *iv, size_t len); + size_t AuthenticateBlocks(const byte *data, size_t len); + void AuthenticateLastHeaderBlock(); + void AuthenticateLastFooterBlock(byte *mac, size_t macSize); + SymmetricCipher & AccessSymmetricCipher() {return m_ctr;} + const CMAC_Base & GetMAC() const {return const_cast<EAX_Base *>(this)->AccessMAC();} + virtual CMAC_Base & AccessMAC() =0; + + CTR_Mode_ExternalCipher::Encryption m_ctr; +}; + +//! . +template <class T_BlockCipher, bool T_IsEncryption> +class EAX_Final : public EAX_Base +{ +public: + static std::string StaticAlgorithmName() + {return T_BlockCipher::StaticAlgorithmName() + std::string("/EAX");} + bool IsForwardTransformation() const + {return T_IsEncryption;} + +private: + CMAC_Base & AccessMAC() {return m_cmac;} + CMAC<T_BlockCipher> m_cmac; +}; + +#ifdef EAX // EAX is defined to 11 on GCC 3.4.3, OpenSolaris 8.11 +#undef EAX +#endif + +/// <a href="http://www.cryptolounge.org/wiki/EAX">EAX</a> +template <class T_BlockCipher> +struct EAX : public AuthenticatedSymmetricCipherDocumentation +{ + typedef EAX_Final<T_BlockCipher, true> Encryption; + typedef EAX_Final<T_BlockCipher, false> Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ec2n.cpp b/CryptoPP/ec2n.cpp new file mode 100644 index 000000000..b513b2cb8 --- /dev/null +++ b/CryptoPP/ec2n.cpp @@ -0,0 +1,292 @@ +// ec2n.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "ec2n.h" +#include "asn.h" + +#include "algebra.cpp" +#include "eprecomp.cpp" + +NAMESPACE_BEGIN(CryptoPP) + +EC2N::EC2N(BufferedTransformation &bt) + : m_field(BERDecodeGF2NP(bt)) +{ + BERSequenceDecoder seq(bt); + m_field->BERDecodeElement(seq, m_a); + m_field->BERDecodeElement(seq, m_b); + // skip optional seed + if (!seq.EndReached()) + { + SecByteBlock seed; + unsigned int unused; + BERDecodeBitString(seq, seed, unused); + } + seq.MessageEnd(); +} + +void EC2N::DEREncode(BufferedTransformation &bt) const +{ + m_field->DEREncode(bt); + DERSequenceEncoder seq(bt); + m_field->DEREncodeElement(seq, m_a); + m_field->DEREncodeElement(seq, m_b); + seq.MessageEnd(); +} + +bool EC2N::DecodePoint(EC2N::Point &P, const byte *encodedPoint, size_t encodedPointLen) const +{ + StringStore store(encodedPoint, encodedPointLen); + return DecodePoint(P, store, encodedPointLen); +} + +bool EC2N::DecodePoint(EC2N::Point &P, BufferedTransformation &bt, size_t encodedPointLen) const +{ + byte type; + if (encodedPointLen < 1 || !bt.Get(type)) + return false; + + switch (type) + { + case 0: + P.identity = true; + return true; + case 2: + case 3: + { + if (encodedPointLen != EncodedPointSize(true)) + return false; + + P.identity = false; + P.x.Decode(bt, m_field->MaxElementByteLength()); + + if (P.x.IsZero()) + { + P.y = m_field->SquareRoot(m_b); + return true; + } + + FieldElement z = m_field->Square(P.x); + assert(P.x == m_field->SquareRoot(z)); + P.y = m_field->Divide(m_field->Add(m_field->Multiply(z, m_field->Add(P.x, m_a)), m_b), z); + assert(P.x == m_field->Subtract(m_field->Divide(m_field->Subtract(m_field->Multiply(P.y, z), m_b), z), m_a)); + z = m_field->SolveQuadraticEquation(P.y); + assert(m_field->Add(m_field->Square(z), z) == P.y); + z.SetCoefficient(0, type & 1); + + P.y = m_field->Multiply(z, P.x); + return true; + } + case 4: + { + if (encodedPointLen != EncodedPointSize(false)) + return false; + + unsigned int len = m_field->MaxElementByteLength(); + P.identity = false; + P.x.Decode(bt, len); + P.y.Decode(bt, len); + return true; + } + default: + return false; + } +} + +void EC2N::EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const +{ + if (P.identity) + NullStore().TransferTo(bt, EncodedPointSize(compressed)); + else if (compressed) + { + bt.Put(2 + (!P.x ? 0 : m_field->Divide(P.y, P.x).GetBit(0))); + P.x.Encode(bt, m_field->MaxElementByteLength()); + } + else + { + unsigned int len = m_field->MaxElementByteLength(); + bt.Put(4); // uncompressed + P.x.Encode(bt, len); + P.y.Encode(bt, len); + } +} + +void EC2N::EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const +{ + ArraySink sink(encodedPoint, EncodedPointSize(compressed)); + EncodePoint(sink, P, compressed); + assert(sink.TotalPutLength() == EncodedPointSize(compressed)); +} + +EC2N::Point EC2N::BERDecodePoint(BufferedTransformation &bt) const +{ + SecByteBlock str; + BERDecodeOctetString(bt, str); + Point P; + if (!DecodePoint(P, str, str.size())) + BERDecodeError(); + return P; +} + +void EC2N::DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const +{ + SecByteBlock str(EncodedPointSize(compressed)); + EncodePoint(str, P, compressed); + DEREncodeOctetString(bt, str); +} + +bool EC2N::ValidateParameters(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = !!m_b; + pass = pass && m_a.CoefficientCount() <= m_field->MaxElementBitLength(); + pass = pass && m_b.CoefficientCount() <= m_field->MaxElementBitLength(); + + if (level >= 1) + pass = pass && m_field->GetModulus().IsIrreducible(); + + return pass; +} + +bool EC2N::VerifyPoint(const Point &P) const +{ + const FieldElement &x = P.x, &y = P.y; + return P.identity || + (x.CoefficientCount() <= m_field->MaxElementBitLength() + && y.CoefficientCount() <= m_field->MaxElementBitLength() + && !(((x+m_a)*x*x+m_b-(x+y)*y)%m_field->GetModulus())); +} + +bool EC2N::Equal(const Point &P, const Point &Q) const +{ + if (P.identity && Q.identity) + return true; + + if (P.identity && !Q.identity) + return false; + + if (!P.identity && Q.identity) + return false; + + return (m_field->Equal(P.x,Q.x) && m_field->Equal(P.y,Q.y)); +} + +const EC2N::Point& EC2N::Identity() const +{ + return Singleton<Point>().Ref(); +} + +const EC2N::Point& EC2N::Inverse(const Point &P) const +{ + if (P.identity) + return P; + else + { + m_R.identity = false; + m_R.y = m_field->Add(P.x, P.y); + m_R.x = P.x; + return m_R; + } +} + +const EC2N::Point& EC2N::Add(const Point &P, const Point &Q) const +{ + if (P.identity) return Q; + if (Q.identity) return P; + if (Equal(P, Q)) return Double(P); + if (m_field->Equal(P.x, Q.x) && m_field->Equal(P.y, m_field->Add(Q.x, Q.y))) return Identity(); + + FieldElement t = m_field->Add(P.y, Q.y); + t = m_field->Divide(t, m_field->Add(P.x, Q.x)); + FieldElement x = m_field->Square(t); + m_field->Accumulate(x, t); + m_field->Accumulate(x, Q.x); + m_field->Accumulate(x, m_a); + m_R.y = m_field->Add(P.y, m_field->Multiply(t, x)); + m_field->Accumulate(x, P.x); + m_field->Accumulate(m_R.y, x); + + m_R.x.swap(x); + m_R.identity = false; + return m_R; +} + +const EC2N::Point& EC2N::Double(const Point &P) const +{ + if (P.identity) return P; + if (!m_field->IsUnit(P.x)) return Identity(); + + FieldElement t = m_field->Divide(P.y, P.x); + m_field->Accumulate(t, P.x); + m_R.y = m_field->Square(P.x); + m_R.x = m_field->Square(t); + m_field->Accumulate(m_R.x, t); + m_field->Accumulate(m_R.x, m_a); + m_field->Accumulate(m_R.y, m_field->Multiply(t, m_R.x)); + m_field->Accumulate(m_R.y, m_R.x); + + m_R.identity = false; + return m_R; +} + +// ******************************************************** + +/* +EcPrecomputation<EC2N>& EcPrecomputation<EC2N>::operator=(const EcPrecomputation<EC2N> &rhs) +{ + m_ec = rhs.m_ec; + m_ep = rhs.m_ep; + m_ep.m_group = m_ec.get(); + return *this; +} + +void EcPrecomputation<EC2N>::SetCurveAndBase(const EC2N &ec, const EC2N::Point &base) +{ + m_ec.reset(new EC2N(ec)); + m_ep.SetGroupAndBase(*m_ec, base); +} + +void EcPrecomputation<EC2N>::Precompute(unsigned int maxExpBits, unsigned int storage) +{ + m_ep.Precompute(maxExpBits, storage); +} + +void EcPrecomputation<EC2N>::Load(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + word32 version; + BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1); + m_ep.m_exponentBase.BERDecode(seq); + m_ep.m_windowSize = m_ep.m_exponentBase.BitCount() - 1; + m_ep.m_bases.clear(); + while (!seq.EndReached()) + m_ep.m_bases.push_back(m_ec->BERDecodePoint(seq)); + seq.MessageEnd(); +} + +void EcPrecomputation<EC2N>::Save(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + DEREncodeUnsigned<word32>(seq, 1); // version + m_ep.m_exponentBase.DEREncode(seq); + for (unsigned i=0; i<m_ep.m_bases.size(); i++) + m_ec->DEREncodePoint(seq, m_ep.m_bases[i]); + seq.MessageEnd(); +} + +EC2N::Point EcPrecomputation<EC2N>::Exponentiate(const Integer &exponent) const +{ + return m_ep.Exponentiate(exponent); +} + +EC2N::Point EcPrecomputation<EC2N>::CascadeExponentiate(const Integer &exponent, const DL_FixedBasePrecomputation<Element> &pc2, const Integer &exponent2) const +{ + return m_ep.CascadeExponentiate(exponent, static_cast<const EcPrecomputation<EC2N> &>(pc2).m_ep, exponent2); +} +*/ + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ec2n.h b/CryptoPP/ec2n.h new file mode 100644 index 000000000..ae4007cd6 --- /dev/null +++ b/CryptoPP/ec2n.h @@ -0,0 +1,113 @@ +#ifndef CRYPTOPP_EC2N_H +#define CRYPTOPP_EC2N_H + +#include "gf2n.h" +#include "eprecomp.h" +#include "smartptr.h" +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Elliptic Curve Point +struct CRYPTOPP_DLL EC2NPoint +{ + EC2NPoint() : identity(true) {} + EC2NPoint(const PolynomialMod2 &x, const PolynomialMod2 &y) + : identity(false), x(x), y(y) {} + + bool operator==(const EC2NPoint &t) const + {return (identity && t.identity) || (!identity && !t.identity && x==t.x && y==t.y);} + bool operator< (const EC2NPoint &t) const + {return identity ? !t.identity : (!t.identity && (x<t.x || (x==t.x && y<t.y)));} + + bool identity; + PolynomialMod2 x, y; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<EC2NPoint>; + +//! Elliptic Curve over GF(2^n) +class CRYPTOPP_DLL EC2N : public AbstractGroup<EC2NPoint> +{ +public: + typedef GF2NP Field; + typedef Field::Element FieldElement; + typedef EC2NPoint Point; + + EC2N() {} + EC2N(const Field &field, const Field::Element &a, const Field::Element &b) + : m_field(field), m_a(a), m_b(b) {} + // construct from BER encoded parameters + // this constructor will decode and extract the the fields fieldID and curve of the sequence ECParameters + EC2N(BufferedTransformation &bt); + + // encode the fields fieldID and curve of the sequence ECParameters + void DEREncode(BufferedTransformation &bt) const; + + bool Equal(const Point &P, const Point &Q) const; + const Point& Identity() const; + const Point& Inverse(const Point &P) const; + bool InversionIsFast() const {return true;} + const Point& Add(const Point &P, const Point &Q) const; + const Point& Double(const Point &P) const; + + Point Multiply(const Integer &k, const Point &P) const + {return ScalarMultiply(P, k);} + Point CascadeMultiply(const Integer &k1, const Point &P, const Integer &k2, const Point &Q) const + {return CascadeScalarMultiply(P, k1, Q, k2);} + + bool ValidateParameters(RandomNumberGenerator &rng, unsigned int level=3) const; + bool VerifyPoint(const Point &P) const; + + unsigned int EncodedPointSize(bool compressed = false) const + {return 1 + (compressed?1:2)*m_field->MaxElementByteLength();} + // returns false if point is compressed and not valid (doesn't check if uncompressed) + bool DecodePoint(Point &P, BufferedTransformation &bt, size_t len) const; + bool DecodePoint(Point &P, const byte *encodedPoint, size_t len) const; + void EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const; + void EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const; + + Point BERDecodePoint(BufferedTransformation &bt) const; + void DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const; + + Integer FieldSize() const {return Integer::Power2(m_field->MaxElementBitLength());} + const Field & GetField() const {return *m_field;} + const FieldElement & GetA() const {return m_a;} + const FieldElement & GetB() const {return m_b;} + + bool operator==(const EC2N &rhs) const + {return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;} + +private: + clonable_ptr<Field> m_field; + FieldElement m_a, m_b; + mutable Point m_R; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<EC2N::Point>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupPrecomputation<EC2N::Point>; + +template <class T> class EcPrecomputation; + +//! EC2N precomputation +template<> class EcPrecomputation<EC2N> : public DL_GroupPrecomputation<EC2N::Point> +{ +public: + typedef EC2N EllipticCurve; + + // DL_GroupPrecomputation + const AbstractGroup<Element> & GetGroup() const {return m_ec;} + Element BERDecodeElement(BufferedTransformation &bt) const {return m_ec.BERDecodePoint(bt);} + void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {m_ec.DEREncodePoint(bt, v, false);} + + // non-inherited + void SetCurve(const EC2N &ec) {m_ec = ec;} + const EC2N & GetCurve() const {return m_ec;} + +private: + EC2N m_ec; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/eccrypto.cpp b/CryptoPP/eccrypto.cpp new file mode 100644 index 000000000..fd8462fd5 --- /dev/null +++ b/CryptoPP/eccrypto.cpp @@ -0,0 +1,694 @@ +// eccrypto.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "eccrypto.h" +#include "nbtheory.h" +#include "oids.h" +#include "hex.h" +#include "argnames.h" +#include "ec2n.h" + +NAMESPACE_BEGIN(CryptoPP) + +#if 0 +static void ECDSA_TestInstantiations() +{ + ECDSA<EC2N>::Signer t1; + ECDSA<EC2N>::Verifier t2(t1); + ECNR<ECP>::Signer t3; + ECNR<ECP>::Verifier t4(t3); + ECIES<ECP>::Encryptor t5; + ECIES<EC2N>::Decryptor t6; + ECDH<ECP>::Domain t7; + ECMQV<ECP>::Domain t8; +} +#endif + +// VC60 workaround: complains when these functions are put into an anonymous namespace +static Integer ConvertToInteger(const PolynomialMod2 &x) +{ + unsigned int l = x.ByteCount(); + SecByteBlock temp(l); + x.Encode(temp, l); + return Integer(temp, l); +} + +static inline Integer ConvertToInteger(const Integer &x) +{ + return x; +} + +static bool CheckMOVCondition(const Integer &q, const Integer &r) +{ + // see "Updated standards for validating elliptic curves", http://eprint.iacr.org/2007/343 + Integer t = 1; + unsigned int n = q.IsEven() ? 1 : q.BitCount(), m = r.BitCount(); + + for (unsigned int i=n; DiscreteLogWorkFactor(i)<m/2; i+=n) + { + if (q.IsEven()) + t = (t+t)%r; + else + t = (t*q)%r; + if (t == 1) + return false; + } + return true; +} + +// ****************************************************************** + +template <class T> struct EcRecommendedParameters; + +template<> struct EcRecommendedParameters<EC2N> +{ + EcRecommendedParameters(const OID &oid, unsigned int t2, unsigned int t3, unsigned int t4, const char *a, const char *b, const char *g, const char *n, unsigned int h) + : oid(oid), t0(0), t1(0), t2(t2), t3(t3), t4(t4), a(a), b(b), g(g), n(n), h(h) {} + EcRecommendedParameters(const OID &oid, unsigned int t0, unsigned int t1, unsigned int t2, unsigned int t3, unsigned int t4, const char *a, const char *b, const char *g, const char *n, unsigned int h) + : oid(oid), t0(t0), t1(t1), t2(t2), t3(t3), t4(t4), a(a), b(b), g(g), n(n), h(h) {} + EC2N *NewEC() const + { + StringSource ssA(a, true, new HexDecoder); + StringSource ssB(b, true, new HexDecoder); + if (t0 == 0) + return new EC2N(GF2NT(t2, t3, t4), EC2N::FieldElement(ssA, (size_t)ssA.MaxRetrievable()), EC2N::FieldElement(ssB, (size_t)ssB.MaxRetrievable())); + else + return new EC2N(GF2NPP(t0, t1, t2, t3, t4), EC2N::FieldElement(ssA, (size_t)ssA.MaxRetrievable()), EC2N::FieldElement(ssB, (size_t)ssB.MaxRetrievable())); + }; + + OID oid; + unsigned int t0, t1, t2, t3, t4; + const char *a, *b, *g, *n; + unsigned int h; +}; + +template<> struct EcRecommendedParameters<ECP> +{ + EcRecommendedParameters(const OID &oid, const char *p, const char *a, const char *b, const char *g, const char *n, unsigned int h) + : oid(oid), p(p), a(a), b(b), g(g), n(n), h(h) {} + ECP *NewEC() const + { + StringSource ssP(p, true, new HexDecoder); + StringSource ssA(a, true, new HexDecoder); + StringSource ssB(b, true, new HexDecoder); + return new ECP(Integer(ssP, (size_t)ssP.MaxRetrievable()), ECP::FieldElement(ssA, (size_t)ssA.MaxRetrievable()), ECP::FieldElement(ssB, (size_t)ssB.MaxRetrievable())); + }; + + OID oid; + const char *p; + const char *a, *b, *g, *n; + unsigned int h; +}; + +struct OIDLessThan +{ + template <typename T> + inline bool operator()(const EcRecommendedParameters<T>& a, const OID& b) {return a.oid < b;} + template <typename T> + inline bool operator()(const OID& a, const EcRecommendedParameters<T>& b) {return a < b.oid;} + template <typename T> + inline bool operator()(const EcRecommendedParameters<T>& a, const EcRecommendedParameters<T>& b) {return a.oid < b.oid;} +}; + +static void GetRecommendedParameters(const EcRecommendedParameters<EC2N> *&begin, const EcRecommendedParameters<EC2N> *&end) +{ + // this array must be sorted by OID + static const EcRecommendedParameters<EC2N> rec[] = { + EcRecommendedParameters<EC2N>(ASN1::sect163k1(), + 163, 7, 6, 3, 0, + "000000000000000000000000000000000000000001", + "000000000000000000000000000000000000000001", + "0402FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE80289070FB05D38FF58321F2E800536D538CCDAA3D9", + "04000000000000000000020108A2E0CC0D99F8A5EF", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect163r1(), + 163, 7, 6, 3, 0, + "07B6882CAAEFA84F9554FF8428BD88E246D2782AE2", + "0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9", + "040369979697AB43897789566789567F787A7876A65400435EDB42EFAFB2989D51FEFCE3C80988F41FF883", + "03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect239k1(), + 239, 158, 0, + "000000000000000000000000000000000000000000000000000000000000", + "000000000000000000000000000000000000000000000000000000000001", + "0429A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA", + "2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5", + 4), + EcRecommendedParameters<EC2N>(ASN1::sect113r1(), + 113, 9, 0, + "003088250CA6E7C7FE649CE85820F7", + "00E8BEE4D3E2260744188BE0E9C723", + "04009D73616F35F4AB1407D73562C10F00A52830277958EE84D1315ED31886", + "0100000000000000D9CCEC8A39E56F", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect113r2(), + 113, 9, 0, + "00689918DBEC7E5A0DD6DFC0AA55C7", + "0095E9A9EC9B297BD4BF36E059184F", + "0401A57A6A7B26CA5EF52FCDB816479700B3ADC94ED1FE674C06E695BABA1D", + "010000000000000108789B2496AF93", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect163r2(), + 163, 7, 6, 3, 0, + "000000000000000000000000000000000000000001", + "020A601907B8C953CA1481EB10512F78744A3205FD", + "0403F0EBA16286A2D57EA0991168D4994637E8343E3600D51FBC6C71A0094FA2CDD545B11C5C0C797324F1", + "040000000000000000000292FE77E70C12A4234C33", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect283k1(), + 283, 12, 7, 5, 0, + "000000000000000000000000000000000000000000000000000000000000000000000000", + "000000000000000000000000000000000000000000000000000000000000000000000001", + "040503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC245849283601CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259", + "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61", + 4), + EcRecommendedParameters<EC2N>(ASN1::sect283r1(), + 283, 12, 7, 5, 0, + "000000000000000000000000000000000000000000000000000000000000000000000001", + "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5", + "0405F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B1205303676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4", + "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect131r1(), + 131, 8, 3, 2, 0, + "07A11B09A76B562144418FF3FF8C2570B8", + "0217C05610884B63B9C6C7291678F9D341", + "040081BAF91FDF9833C40F9C181343638399078C6E7EA38C001F73C8134B1B4EF9E150", + "0400000000000000023123953A9464B54D", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect131r2(), + 131, 8, 3, 2, 0, + "03E5A88919D7CAFCBF415F07C2176573B2", + "04B8266A46C55657AC734CE38F018F2192", + "040356DCD8F2F95031AD652D23951BB366A80648F06D867940A5366D9E265DE9EB240F", + "0400000000000000016954A233049BA98F", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect193r1(), + 193, 15, 0, + "0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01", + "00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814", + "0401F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E10025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05", + "01000000000000000000000000C7F34A778F443ACC920EBA49", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect193r2(), + 193, 15, 0, + "0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B", + "00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE", + "0400D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C", + "010000000000000000000000015AAB561B005413CCD4EE99D5", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect233k1(), + 233, 74, 0, + "000000000000000000000000000000000000000000000000000000000000", + "000000000000000000000000000000000000000000000000000000000001", + "04017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD612601DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3", + "8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF", + 4), + EcRecommendedParameters<EC2N>(ASN1::sect233r1(), + 233, 74, 0, + "000000000000000000000000000000000000000000000000000000000001", + "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD", + "0400FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052", + "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect409k1(), + 409, 87, 0, + "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", + "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", + "040060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE902374601E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B", + "7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF", + 4), + EcRecommendedParameters<EC2N>(ASN1::sect409r1(), + 409, 87, 0, + "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", + "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F", + "04015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A70061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706", + "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173", + 2), + EcRecommendedParameters<EC2N>(ASN1::sect571k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cRecommendedParameters<EC2N>(ASN1::sect571r1(), + 571, 10, 5, 2, 0, + "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", + "02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A", + "040303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B", + "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47", + 2), + }; + begin = rec; + end = rec + sizeof(rec)/sizeof(rec[0]); +} + +static void GetRecommendedParameters(const EcRecommendedParameters<ECP> *&begin, const EcRecommendedParameters<ECP> *&end) +{ + // this array must be sorted by OID + static const EcRecommendedParameters<ECP> rec[] = { + EcRecommendedParameters<ECP>(ASN1::secp192r1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC", + "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1", + "04188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF101207192B95FFC8DA78631011ED6B24CDD573F977A11E794811", + "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831", + 1), + EcRecommendedParameters<ECP>(ASN1::secp256r1(), + "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", + "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC", + "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B", + "046B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C2964FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", + "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP160r1(), + "E95E4A5F737059DC60DFC7AD95B3D8139515620F", + "340E7BE2A280EB74E2BE61BADA745D97E8F7C300", + "1E589A8595423412134FAA2DBDEC95C8D8675E58", + "04BED5AF16EA3F6A4F62938C4631EB5AF7BDBCDBC31667CB477A1A8EC338F94741669C976316DA6321", + "E95E4A5F737059DC60DF5991D45029409E60FC09", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP192r1(), + "C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297", + "6A91174076B1E0E19C39C031FE8685C1CAE040E5C69A28EF", + "469A28EF7C28CCA3DC721D044F4496BCCA7EF4146FBF25C9", + "04C0A0647EAAB6A48753B033C56CB0F0900A2F5C4853375FD614B690866ABD5BB88B5F4828C1490002E6773FA2FA299B8F", + "C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP224r1(), + "D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FF", + "68A5E62CA9CE6C1C299803A6C1530B514E182AD8B0042A59CAD29F43", + "2580F63CCFE44138870713B1A92369E33E2135D266DBB372386C400B", + "040D9029AD2C7E5CF4340823B2A87DC68C9E4CE3174C1E6EFDEE12C07D58AA56F772C0726F24C6B89E4ECDAC24354B9E99CAA3F6D3761402CD", + "D7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP256r1(), + "A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377", + "7D5A0975FC2C3057EEF67530417AFFE7FB8055C126DC5C6CE94A4B44F330B5D9", + "26DC5C6CE94A4B44F330B5D9BBD77CBF958416295CF7E1CE6BCCDC18FF8C07B6", + "048BD2AEB9CB7E57CB2C4B482FFC81B7AFB9DE27E1E3BD23C23A4453BD9ACE3262547EF835C3DAC4FD97F8461A14611DC9C27745132DED8E545C1D54C72F046997", + "A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP320r1(), + "D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E27", + "3EE30B568FBAB0F883CCEBD46D3F3BB8A2A73513F5EB79DA66190EB085FFA9F492F375A97D860EB4", + "520883949DFDBC42D3AD198640688A6FE13F41349554B49ACC31DCCD884539816F5EB4AC8FB1F1A6", + "0443BD7E9AFB53D8B85289BCC48EE5BFE6F20137D10A087EB6E7871E2A10A599C710AF8D0D39E2061114FDD05545EC1CC8AB4093247F77275E0743FFED117182EAA9C77877AAAC6AC7D35245D1692E8EE1", + "D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D482EC7EE8658E98691555B44C59311", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP384r1(), + "8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC53", + "7BC382C63D8C150C3C72080ACE05AFA0C2BEA28E4FB22787139165EFBA91F90F8AA5814A503AD4EB04A8C7DD22CE2826", + "04A8C7DD22CE28268B39B55416F0447C2FB77DE107DCD2A62E880EA53EEB62D57CB4390295DBC9943AB78696FA504C11", + "041D1C64F068CF45FFA2A63A81B7C13F6B8847A3E77EF14FE3DB7FCAFE0CBD10E8E826E03436D646AAEF87B2E247D4AF1E8ABE1D7520F9C2A45CB1EB8E95CFD55262B70B29FEEC5864E19C054FF99129280E4646217791811142820341263C5315", + "8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565", + 1), + EcRecommendedParameters<ECP>(ASN1::brainpoolP512r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cRecommendedParameters<ECP>(ASN1::secp112r1(), + "DB7C2ABF62E35E668076BEAD208B", + "DB7C2ABF62E35E668076BEAD2088", + "659EF8BA043916EEDE8911702B22", + "0409487239995A5EE76B55F9C2F098A89CE5AF8724C0A23E0E0FF77500", + "DB7C2ABF62E35E7628DFAC6561C5", + 1), + EcRecommendedParameters<ECP>(ASN1::secp112r2(), + "DB7C2ABF62E35E668076BEAD208B", + "6127C24C05F38A0AAAF65C0EF02C", + "51DEF1815DB5ED74FCC34C85D709", + "044BA30AB5E892B4E1649DD0928643ADCD46F5882E3747DEF36E956E97", + "36DF0AAFD8B8D7597CA10520D04B", + 4), + EcRecommendedParameters<ECP>(ASN1::secp160r1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC", + "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45", + "044A96B5688EF573284664698968C38BB913CBFC8223A628553168947D59DCC912042351377AC5FB32", + "0100000000000000000001F4C8F927AED3CA752257", + 1), + EcRecommendedParameters<ECP>(ASN1::secp160k1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73", + "0000000000000000000000000000000000000000", + "0000000000000000000000000000000000000007", + "043B4C382CE37AA192A4019E763036F4F5DD4D7EBB938CF935318FDCED6BC28286531733C3F03C4FEE", + "0100000000000000000001B8FA16DFAB9ACA16B6B3", + 1), + EcRecommendedParameters<ECP>(ASN1::secp256k1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", + "0000000000000000000000000000000000000000000000000000000000000000", + "0000000000000000000000000000000000000000000000000000000000000007", + "0479BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", + 1), + EcRecommendedParameters<ECP>(ASN1::secp128r1(), + "FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF", + "FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC", + "E87579C11079F43DD824993C2CEE5ED3", + "04161FF7528B899B2D0C28607CA52C5B86CF5AC8395BAFEB13C02DA292DDED7A83", + "FFFFFFFE0000000075A30D1B9038A115", + 1), + EcRecommendedParameters<ECP>(ASN1::secp128r2(), + "FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF", + "D6031998D1B3BBFEBF59CC9BBFF9AEE1", + "5EEEFCA380D02919DC2C6558BB6D8A5D", + "047B6AA5D85E572983E6FB32A7CDEBC14027B6916A894D3AEE7106FE805FC34B44", + "3FFFFFFF7FFFFFFFBE0024720613B5A3", + 4), + EcRecommendedParameters<ECP>(ASN1::secp160r2(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC70", + "B4E134D3FB59EB8BAB57274904664D5AF50388BA", + "0452DCB034293A117E1F4FF11B30F7199D3144CE6DFEAFFEF2E331F296E071FA0DF9982CFEA7D43F2E", + "0100000000000000000000351EE786A818F3A1A16B", + 1), + EcRecommendedParameters<ECP>(ASN1::secp192k1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37", + "000000000000000000000000000000000000000000000000", + "000000000000000000000000000000000000000000000003", + "04DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D", + "FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D", + 1), + EcRecommendedParameters<ECP>(ASN1::secp224k1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D", + "00000000000000000000000000000000000000000000000000000000", + "00000000000000000000000000000000000000000000000000000005", + "04A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5", + "010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7", + 1), + EcRecommendedParameters<ECP>(ASN1::secp224r1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", + "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", + "04B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", + 1), + EcRecommendedParameters<ECP>(ASN1::secp384r1(), + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC", + "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF", + "04AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB73617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F", + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973", + 1), + EcRecommendedParameters<ECP>(ASN1::secp521r1(), + "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", + "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", + "0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", + "0400C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650", + "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", + 1), + }; + begin = rec; + end = rec + sizeof(rec)/sizeof(rec[0]); +} + +template <class EC> OID DL_GroupParameters_EC<EC>::GetNextRecommendedParametersOID(const OID &oid) +{ + const EcRecommendedParameters<EllipticCurve> *begin, *end; + GetRecommendedParameters(begin, end); + const EcRecommendedParameters<EllipticCurve> *it = std::upper_bound(begin, end, oid, OIDLessThan()); + return (it == end ? OID() : it->oid); +} + +template <class EC> void DL_GroupParameters_EC<EC>::Initialize(const OID &oid) +{ + const EcRecommendedParameters<EllipticCurve> *begin, *end; + GetRecommendedParameters(begin, end); + const EcRecommendedParameters<EllipticCurve> *it = std::lower_bound(begin, end, oid, OIDLessThan()); + if (it == end || it->oid != oid) + throw UnknownOID(); + + const EcRecommendedParameters<EllipticCurve> ¶m = *it; + m_oid = oid; + std::auto_ptr<EllipticCurve> ec(param.NewEC()); + this->m_groupPrecomputation.SetCurve(*ec); + + StringSource ssG(param.g, true, new HexDecoder); + Element G; + bool result = GetCurve().DecodePoint(G, ssG, (size_t)ssG.MaxRetrievable()); + SetSubgroupGenerator(G); + assert(result); + + StringSource ssN(param.n, true, new HexDecoder); + m_n.Decode(ssN, (size_t)ssN.MaxRetrievable()); + m_k = param.h; +} + +template <class EC> +bool DL_GroupParameters_EC<EC>::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + if (strcmp(name, Name::GroupOID()) == 0) + { + if (m_oid.m_values.empty()) + return false; + + this->ThrowIfTypeMismatch(name, typeid(OID), valueType); + *reinterpret_cast<OID *>(pValue) = m_oid; + return true; + } + else + return GetValueHelper<DL_GroupParameters<Element> >(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Curve); +} + +template <class EC> +void DL_GroupParameters_EC<EC>::AssignFrom(const NameValuePairs &source) +{ + OID oid; + if (source.GetValue(Name::GroupOID(), oid)) + Initialize(oid); + else + { + EllipticCurve ec; + Point G; + Integer n; + + source.GetRequiredParameter("DL_GroupParameters_EC<EC>", Name::Curve(), ec); + source.GetRequiredParameter("DL_GroupParameters_EC<EC>", Name::SubgroupGenerator(), G); + source.GetRequiredParameter("DL_GroupParameters_EC<EC>", Name::SubgroupOrder(), n); + Integer k = source.GetValueWithDefault(Name::Cofactor(), Integer::Zero()); + + Initialize(ec, G, n, k); + } +} + +template <class EC> +void DL_GroupParameters_EC<EC>::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + try + { + AssignFrom(alg); + } + catch (InvalidArgument &) + { + throw NotImplemented("DL_GroupParameters_EC<EC>: curve generation is not implemented yet"); + } +} + +template <class EC> +void DL_GroupParameters_EC<EC>::BERDecode(BufferedTransformation &bt) +{ + byte b; + if (!bt.Peek(b)) + BERDecodeError(); + if (b == OBJECT_IDENTIFIER) + Initialize(OID(bt)); + else + { + BERSequenceDecoder seq(bt); + word32 version; + BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1); // check version + EllipticCurve ec(seq); + Point G = ec.BERDecodePoint(seq); + Integer n(seq); + Integer k; + bool cofactorPresent = !seq.EndReached(); + if (cofactorPresent) + k.BERDecode(seq); + else + k = Integer::Zero(); + seq.MessageEnd(); + + Initialize(ec, G, n, k); + } +} + +template <class EC> +void DL_GroupParameters_EC<EC>::DEREncode(BufferedTransformation &bt) const +{ + if (m_encodeAsOID && !m_oid.m_values.empty()) + m_oid.DEREncode(bt); + else + { + DERSequenceEncoder seq(bt); + DEREncodeUnsigned<word32>(seq, 1); // version + GetCurve().DEREncode(seq); + GetCurve().DEREncodePoint(seq, this->GetSubgroupGenerator(), m_compress); + m_n.DEREncode(seq); + if (m_k.NotZero()) + m_k.DEREncode(seq); + seq.MessageEnd(); + } +} + +template <class EC> +Integer DL_GroupParameters_EC<EC>::GetCofactor() const +{ + if (!m_k) + { + Integer q = GetCurve().FieldSize(); + Integer qSqrt = q.SquareRoot(); + m_k = (q+2*qSqrt+1)/m_n; + } + + return m_k; +} + +template <class EC> +Integer DL_GroupParameters_EC<EC>::ConvertElementToInteger(const Element &element) const +{ + return ConvertToInteger(element.x); +}; + +template <class EC> +bool DL_GroupParameters_EC<EC>::ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = GetCurve().ValidateParameters(rng, level); + + Integer q = GetCurve().FieldSize(); + pass = pass && m_n!=q; + + if (level >= 2) + { + Integer qSqrt = q.SquareRoot(); + pass = pass && m_n>4*qSqrt; + pass = pass && VerifyPrime(rng, m_n, level-2); + pass = pass && (m_k.IsZero() || m_k == (q+2*qSqrt+1)/m_n); + pass = pass && CheckMOVCondition(q, m_n); + } + + return pass; +} + +template <class EC> +bool DL_GroupParameters_EC<EC>::ValidateElement(unsigned int level, const Element &g, const DL_FixedBasePrecomputation<Element> *gpc) const +{ + bool pass = !IsIdentity(g) && GetCurve().VerifyPoint(g); + if (level >= 1) + { + if (gpc) + pass = pass && gpc->Exponentiate(this->GetGroupPrecomputation(), Integer::One()) == g; + } + if (level >= 2 && pass) + { + const Integer &q = GetSubgroupOrder(); + Element gq = gpc ? gpc->Exponentiate(this->GetGroupPrecomputation(), q) : ExponentiateElement(g, q); + pass = pass && IsIdentity(gq); + } + return pass; +} + +template <class EC> +void DL_GroupParameters_EC<EC>::SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const +{ + GetCurve().SimultaneousMultiply(results, base, exponents, exponentsCount); +} + +template <class EC> +CPP_TYPENAME DL_GroupParameters_EC<EC>::Element DL_GroupParameters_EC<EC>::MultiplyElements(const Element &a, const Element &b) const +{ + return GetCurve().Add(a, b); +} + +template <class EC> +CPP_TYPENAME DL_GroupParameters_EC<EC>::Element DL_GroupParameters_EC<EC>::CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const +{ + return GetCurve().CascadeMultiply(exponent1, element1, exponent2, element2); +} + +template <class EC> +OID DL_GroupParameters_EC<EC>::GetAlgorithmID() const +{ + return ASN1::id_ecPublicKey(); +} + +// ****************************************************************** + +template <class EC> +void DL_PublicKey_EC<EC>::BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size) +{ + typename EC::Point P; + if (!this->GetGroupParameters().GetCurve().DecodePoint(P, bt, size)) + BERDecodeError(); + SetPublicElement(P); +} + +template <class EC> +void DL_PublicKey_EC<EC>::DEREncodePublicKey(BufferedTransformation &bt) const +{ + this->GetGroupParameters().GetCurve().EncodePoint(bt, this->GetPublicElement(), this->GetGroupParameters().GetPointCompression()); +} + +// ****************************************************************** + +template <class EC> +void DL_PrivateKey_EC<EC>::BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size) +{ + BERSequenceDecoder seq(bt); + word32 version; + BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1); // check version + + BERGeneralDecoder dec(seq, OCTET_STRING); + if (!dec.IsDefiniteLength()) + BERDecodeError(); + Integer x; + x.Decode(dec, (size_t)dec.RemainingLength()); + dec.MessageEnd(); + if (!parametersPresent && seq.PeekByte() != (CONTEXT_SPECIFIC | CONSTRUCTED | 0)) + BERDecodeError(); + if (!seq.EndReached() && seq.PeekByte() == (CONTEXT_SPECIFIC | CONSTRUCTED | 0)) + { + BERGeneralDecoder parameters(seq, CONTEXT_SPECIFIC | CONSTRUCTED | 0); + this->AccessGroupParameters().BERDecode(parameters); + parameters.MessageEnd(); + } + if (!seq.EndReached()) + { + // skip over the public element + SecByteBlock subjectPublicKey; + unsigned int unusedBits; + BERGeneralDecoder publicKey(seq, CONTEXT_SPECIFIC | CONSTRUCTED | 1); + BERDecodeBitString(publicKey, subjectPublicKey, unusedBits); + publicKey.MessageEnd(); + Element Q; + if (!(unusedBits == 0 && this->GetGroupParameters().GetCurve().DecodePoint(Q, subjectPublicKey, subjectPublicKey.size()))) + BERDecodeError(); + } + seq.MessageEnd(); + + this->SetPrivateExponent(x); +} + +template <class EC> +void DL_PrivateKey_EC<EC>::DEREncodePrivateKey(BufferedTransformation &bt) const +{ + DERSequenceEncoder privateKey(bt); + DEREncodeUnsigned<word32>(privateKey, 1); // version + // SEC 1 ver 1.0 says privateKey (m_d) has the same length as order of the curve + // this will be changed to order of base point in a future version + this->GetPrivateExponent().DEREncodeAsOctetString(privateKey, this->GetGroupParameters().GetSubgroupOrder().ByteCount()); + privateKey.MessageEnd(); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/eccrypto.h b/CryptoPP/eccrypto.h new file mode 100644 index 000000000..b359e033e --- /dev/null +++ b/CryptoPP/eccrypto.h @@ -0,0 +1,280 @@ +#ifndef CRYPTOPP_ECCRYPTO_H +#define CRYPTOPP_ECCRYPTO_H + +/*! \file +*/ + +#include "pubkey.h" +#include "integer.h" +#include "asn.h" +#include "hmac.h" +#include "sha.h" +#include "gfpcrypt.h" +#include "dh.h" +#include "mqv.h" +#include "ecp.h" +#include "ec2n.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Elliptic Curve Parameters +/*! This class corresponds to the ASN.1 sequence of the same name + in ANSI X9.62 (also SEC 1). +*/ +template <class EC> +class DL_GroupParameters_EC : public DL_GroupParametersImpl<EcPrecomputation<EC> > +{ + typedef DL_GroupParameters_EC<EC> ThisClass; + +public: + typedef EC EllipticCurve; + typedef typename EllipticCurve::Point Point; + typedef Point Element; + typedef IncompatibleCofactorMultiplication DefaultCofactorOption; + + DL_GroupParameters_EC() : m_compress(false), m_encodeAsOID(false) {} + DL_GroupParameters_EC(const OID &oid) + : m_compress(false), m_encodeAsOID(false) {Initialize(oid);} + DL_GroupParameters_EC(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero()) + : m_compress(false), m_encodeAsOID(false) {Initialize(ec, G, n, k);} + DL_GroupParameters_EC(BufferedTransformation &bt) + : m_compress(false), m_encodeAsOID(false) {BERDecode(bt);} + + void Initialize(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k = Integer::Zero()) + { + this->m_groupPrecomputation.SetCurve(ec); + SetSubgroupGenerator(G); + m_n = n; + m_k = k; + } + void Initialize(const OID &oid); + + // NameValuePairs + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // GeneratibleCryptoMaterial interface + //! this implementation doesn't actually generate a curve, it just initializes the parameters with existing values + /*! parameters: (Curve, SubgroupGenerator, SubgroupOrder, Cofactor (optional)), or (GroupOID) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + + // DL_GroupParameters + const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const {return this->m_gpc;} + DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return this->m_gpc;} + const Integer & GetSubgroupOrder() const {return m_n;} + Integer GetCofactor() const; + bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const; + bool ValidateElement(unsigned int level, const Element &element, const DL_FixedBasePrecomputation<Element> *precomp) const; + bool FastSubgroupCheckAvailable() const {return false;} + void EncodeElement(bool reversible, const Element &element, byte *encoded) const + { + if (reversible) + GetCurve().EncodePoint(encoded, element, m_compress); + else + element.x.Encode(encoded, GetEncodedElementSize(false)); + } + unsigned int GetEncodedElementSize(bool reversible) const + { + if (reversible) + return GetCurve().EncodedPointSize(m_compress); + else + return GetCurve().GetField().MaxElementByteLength(); + } + Element DecodeElement(const byte *encoded, bool checkForGroupMembership) const + { + Point result; + if (!GetCurve().DecodePoint(result, encoded, GetEncodedElementSize(true))) + throw DL_BadElement(); + if (checkForGroupMembership && !ValidateElement(1, result, NULL)) + throw DL_BadElement(); + return result; + } + Integer ConvertElementToInteger(const Element &element) const; + Integer GetMaxExponent() const {return GetSubgroupOrder()-1;} + bool IsIdentity(const Element &element) const {return element.identity;} + void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; + static std::string CRYPTOPP_API StaticAlgorithmNamePrefix() {return "EC";} + + // ASN1Key + OID GetAlgorithmID() const; + + // used by MQV + Element MultiplyElements(const Element &a, const Element &b) const; + Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const; + + // non-inherited + + // enumerate OIDs for recommended parameters, use OID() to get first one + static OID CRYPTOPP_API GetNextRecommendedParametersOID(const OID &oid); + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + void SetPointCompression(bool compress) {m_compress = compress;} + bool GetPointCompression() const {return m_compress;} + + void SetEncodeAsOID(bool encodeAsOID) {m_encodeAsOID = encodeAsOID;} + bool GetEncodeAsOID() const {return m_encodeAsOID;} + + const EllipticCurve& GetCurve() const {return this->m_groupPrecomputation.GetCurve();} + + bool operator==(const ThisClass &rhs) const + {return this->m_groupPrecomputation.GetCurve() == rhs.m_groupPrecomputation.GetCurve() && this->m_gpc.GetBase(this->m_groupPrecomputation) == rhs.m_gpc.GetBase(rhs.m_groupPrecomputation);} + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + const Point& GetBasePoint() const {return GetSubgroupGenerator();} + const Integer& GetBasePointOrder() const {return GetSubgroupOrder();} + void LoadRecommendedParameters(const OID &oid) {Initialize(oid);} +#endif + +protected: + unsigned int FieldElementLength() const {return GetCurve().GetField().MaxElementByteLength();} + unsigned int ExponentLength() const {return m_n.ByteCount();} + + OID m_oid; // set if parameters loaded from a recommended curve + Integer m_n; // order of base point + bool m_compress, m_encodeAsOID; + mutable Integer m_k; // cofactor +}; + +//! EC public key +template <class EC> +class DL_PublicKey_EC : public DL_PublicKeyImpl<DL_GroupParameters_EC<EC> > +{ +public: + typedef typename EC::Point Element; + + void Initialize(const DL_GroupParameters_EC<EC> ¶ms, const Element &Q) + {this->AccessGroupParameters() = params; SetPublicElement(Q);} + void Initialize(const EC &ec, const Element &G, const Integer &n, const Element &Q) + {this->AccessGroupParameters().Initialize(ec, G, n); SetPublicElement(Q);} + + // X509PublicKey + void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size); + void DEREncodePublicKey(BufferedTransformation &bt) const; +}; + +//! EC private key +template <class EC> +class DL_PrivateKey_EC : public DL_PrivateKeyImpl<DL_GroupParameters_EC<EC> > +{ +public: + typedef typename EC::Point Element; + + void Initialize(const DL_GroupParameters_EC<EC> ¶ms, const Integer &x) + {this->AccessGroupParameters() = params; this->SetPrivateExponent(x);} + void Initialize(const EC &ec, const Element &G, const Integer &n, const Integer &x) + {this->AccessGroupParameters().Initialize(ec, G, n); this->SetPrivateExponent(x);} + void Initialize(RandomNumberGenerator &rng, const DL_GroupParameters_EC<EC> ¶ms) + {GenerateRandom(rng, params);} + void Initialize(RandomNumberGenerator &rng, const EC &ec, const Element &G, const Integer &n) + {GenerateRandom(rng, DL_GroupParameters_EC<EC>(ec, G, n));} + + // PKCS8PrivateKey + void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size); + void DEREncodePrivateKey(BufferedTransformation &bt) const; +}; + +//! Elliptic Curve Diffie-Hellman, AKA <a href="http://www.weidai.com/scan-mirror/ka.html#ECDH">ECDH</a> +template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption> +struct ECDH +{ + typedef DH_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain; +}; + +/// Elliptic Curve Menezes-Qu-Vanstone, AKA <a href="http://www.weidai.com/scan-mirror/ka.html#ECMQV">ECMQV</a> +template <class EC, class COFACTOR_OPTION = CPP_TYPENAME DL_GroupParameters_EC<EC>::DefaultCofactorOption> +struct ECMQV +{ + typedef MQV_Domain<DL_GroupParameters_EC<EC>, COFACTOR_OPTION> Domain; +}; + +//! EC keys +template <class EC> +struct DL_Keys_EC +{ + typedef DL_PublicKey_EC<EC> PublicKey; + typedef DL_PrivateKey_EC<EC> PrivateKey; +}; + +template <class EC, class H> +struct ECDSA; + +//! ECDSA keys +template <class EC> +struct DL_Keys_ECDSA +{ + typedef DL_PublicKey_EC<EC> PublicKey; + typedef DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC>, ECDSA<EC, SHA256> > PrivateKey; +}; + +//! ECDSA algorithm +template <class EC> +class DL_Algorithm_ECDSA : public DL_Algorithm_GDSA<typename EC::Point> +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "ECDSA";} +}; + +//! ECNR algorithm +template <class EC> +class DL_Algorithm_ECNR : public DL_Algorithm_NR<typename EC::Point> +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "ECNR";} +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#ECDSA">ECDSA</a> +template <class EC, class H> +struct ECDSA : public DL_SS<DL_Keys_ECDSA<EC>, DL_Algorithm_ECDSA<EC>, DL_SignatureMessageEncodingMethod_DSA, H> +{ +}; + +//! ECNR +template <class EC, class H = SHA> +struct ECNR : public DL_SS<DL_Keys_EC<EC>, DL_Algorithm_ECNR<EC>, DL_SignatureMessageEncodingMethod_NR, H> +{ +}; + +//! Elliptic Curve Integrated Encryption Scheme, AKA <a href="http://www.weidai.com/scan-mirror/ca.html#ECIES">ECIES</a> +/*! Default to (NoCofactorMultiplication and DHAES_MODE = false) for compatibilty with SEC1 and Crypto++ 4.2. + The combination of (IncompatibleCofactorMultiplication and DHAES_MODE = true) is recommended for best + efficiency and security. */ +template <class EC, class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = false> +struct ECIES + : public DL_ES< + DL_Keys_EC<EC>, + DL_KeyAgreementAlgorithm_DH<typename EC::Point, COFACTOR_OPTION>, + DL_KeyDerivationAlgorithm_P1363<typename EC::Point, DHAES_MODE, P1363_KDF2<SHA1> >, + DL_EncryptionAlgorithm_Xor<HMAC<SHA1>, DHAES_MODE>, + ECIES<EC> > +{ + static std::string CRYPTOPP_API StaticAlgorithmName() {return "ECIES";} // TODO: fix this after name is standardized +}; + +NAMESPACE_END + +#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#include "eccrypto.cpp" +#endif + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<ECP>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_EC<EC2N>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<ECP> >; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKeyImpl<DL_GroupParameters_EC<EC2N> >; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<ECP>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_EC<EC2N>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<ECP> >; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKeyImpl<DL_GroupParameters_EC<EC2N> >; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<ECP>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_EC<EC2N>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<ECP::Point>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<EC2N::Point>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<ECP>, ECDSA<ECP, SHA256> >; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_EC<EC2N>, ECDSA<EC2N, SHA256> >; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ecp.cpp b/CryptoPP/ecp.cpp new file mode 100644 index 000000000..55a7cc15b --- /dev/null +++ b/CryptoPP/ecp.cpp @@ -0,0 +1,473 @@ +// ecp.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "ecp.h" +#include "asn.h" +#include "nbtheory.h" + +#include "algebra.cpp" + +NAMESPACE_BEGIN(CryptoPP) + +ANONYMOUS_NAMESPACE_BEGIN +static inline ECP::Point ToMontgomery(const ModularArithmetic &mr, const ECP::Point &P) +{ + return P.identity ? P : ECP::Point(mr.ConvertIn(P.x), mr.ConvertIn(P.y)); +} + +static inline ECP::Point FromMontgomery(const ModularArithmetic &mr, const ECP::Point &P) +{ + return P.identity ? P : ECP::Point(mr.ConvertOut(P.x), mr.ConvertOut(P.y)); +} +NAMESPACE_END + +ECP::ECP(const ECP &ecp, bool convertToMontgomeryRepresentation) +{ + if (convertToMontgomeryRepresentation && !ecp.GetField().IsMontgomeryRepresentation()) + { + m_fieldPtr.reset(new MontgomeryRepresentation(ecp.GetField().GetModulus())); + m_a = GetField().ConvertIn(ecp.m_a); + m_b = GetField().ConvertIn(ecp.m_b); + } + else + operator=(ecp); +} + +ECP::ECP(BufferedTransformation &bt) + : m_fieldPtr(new Field(bt)) +{ + BERSequenceDecoder seq(bt); + GetField().BERDecodeElement(seq, m_a); + GetField().BERDecodeElement(seq, m_b); + // skip optional seed + if (!seq.EndReached()) + { + SecByteBlock seed; + unsigned int unused; + BERDecodeBitString(seq, seed, unused); + } + seq.MessageEnd(); +} + +void ECP::DEREncode(BufferedTransformation &bt) const +{ + GetField().DEREncode(bt); + DERSequenceEncoder seq(bt); + GetField().DEREncodeElement(seq, m_a); + GetField().DEREncodeElement(seq, m_b); + seq.MessageEnd(); +} + +bool ECP::DecodePoint(ECP::Point &P, const byte *encodedPoint, size_t encodedPointLen) const +{ + StringStore store(encodedPoint, encodedPointLen); + return DecodePoint(P, store, encodedPointLen); +} + +bool ECP::DecodePoint(ECP::Point &P, BufferedTransformation &bt, size_t encodedPointLen) const +{ + byte type; + if (encodedPointLen < 1 || !bt.Get(type)) + return false; + + switch (type) + { + case 0: + P.identity = true; + return true; + case 2: + case 3: + { + if (encodedPointLen != EncodedPointSize(true)) + return false; + + Integer p = FieldSize(); + + P.identity = false; + P.x.Decode(bt, GetField().MaxElementByteLength()); + P.y = ((P.x*P.x+m_a)*P.x+m_b) % p; + + if (Jacobi(P.y, p) !=1) + return false; + + P.y = ModularSquareRoot(P.y, p); + + if ((type & 1) != P.y.GetBit(0)) + P.y = p-P.y; + + return true; + } + case 4: + { + if (encodedPointLen != EncodedPointSize(false)) + return false; + + unsigned int len = GetField().MaxElementByteLength(); + P.identity = false; + P.x.Decode(bt, len); + P.y.Decode(bt, len); + return true; + } + default: + return false; + } +} + +void ECP::EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const +{ + if (P.identity) + NullStore().TransferTo(bt, EncodedPointSize(compressed)); + else if (compressed) + { + bt.Put(2 + P.y.GetBit(0)); + P.x.Encode(bt, GetField().MaxElementByteLength()); + } + else + { + unsigned int len = GetField().MaxElementByteLength(); + bt.Put(4); // uncompressed + P.x.Encode(bt, len); + P.y.Encode(bt, len); + } +} + +void ECP::EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const +{ + ArraySink sink(encodedPoint, EncodedPointSize(compressed)); + EncodePoint(sink, P, compressed); + assert(sink.TotalPutLength() == EncodedPointSize(compressed)); +} + +ECP::Point ECP::BERDecodePoint(BufferedTransformation &bt) const +{ + SecByteBlock str; + BERDecodeOctetString(bt, str); + Point P; + if (!DecodePoint(P, str, str.size())) + BERDecodeError(); + return P; +} + +void ECP::DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const +{ + SecByteBlock str(EncodedPointSize(compressed)); + EncodePoint(str, P, compressed); + DEREncodeOctetString(bt, str); +} + +bool ECP::ValidateParameters(RandomNumberGenerator &rng, unsigned int level) const +{ + Integer p = FieldSize(); + + bool pass = p.IsOdd(); + pass = pass && !m_a.IsNegative() && m_a<p && !m_b.IsNegative() && m_b<p; + + if (level >= 1) + pass = pass && ((4*m_a*m_a*m_a+27*m_b*m_b)%p).IsPositive(); + + if (level >= 2) + pass = pass && VerifyPrime(rng, p); + + return pass; +} + +bool ECP::VerifyPoint(const Point &P) const +{ + const FieldElement &x = P.x, &y = P.y; + Integer p = FieldSize(); + return P.identity || + (!x.IsNegative() && x<p && !y.IsNegative() && y<p + && !(((x*x+m_a)*x+m_b-y*y)%p)); +} + +bool ECP::Equal(const Point &P, const Point &Q) const +{ + if (P.identity && Q.identity) + return true; + + if (P.identity && !Q.identity) + return false; + + if (!P.identity && Q.identity) + return false; + + return (GetField().Equal(P.x,Q.x) && GetField().Equal(P.y,Q.y)); +} + +const ECP::Point& ECP::Identity() const +{ + return Singleton<Point>().Ref(); +} + +const ECP::Point& ECP::Inverse(const Point &P) const +{ + if (P.identity) + return P; + else + { + m_R.identity = false; + m_R.x = P.x; + m_R.y = GetField().Inverse(P.y); + return m_R; + } +} + +const ECP::Point& ECP::Add(const Point &P, const Point &Q) const +{ + if (P.identity) return Q; + if (Q.identity) return P; + if (GetField().Equal(P.x, Q.x)) + return GetField().Equal(P.y, Q.y) ? Double(P) : Identity(); + + FieldElement t = GetField().Subtract(Q.y, P.y); + t = GetField().Divide(t, GetField().Subtract(Q.x, P.x)); + FieldElement x = GetField().Subtract(GetField().Subtract(GetField().Square(t), P.x), Q.x); + m_R.y = GetField().Subtract(GetField().Multiply(t, GetField().Subtract(P.x, x)), P.y); + + m_R.x.swap(x); + m_R.identity = false; + return m_R; +} + +const ECP::Point& ECP::Double(const Point &P) const +{ + if (P.identity || P.y==GetField().Identity()) return Identity(); + + FieldElement t = GetField().Square(P.x); + t = GetField().Add(GetField().Add(GetField().Double(t), t), m_a); + t = GetField().Divide(t, GetField().Double(P.y)); + FieldElement x = GetField().Subtract(GetField().Subtract(GetField().Square(t), P.x), P.x); + m_R.y = GetField().Subtract(GetField().Multiply(t, GetField().Subtract(P.x, x)), P.y); + + m_R.x.swap(x); + m_R.identity = false; + return m_R; +} + +template <class T, class Iterator> void ParallelInvert(const AbstractRing<T> &ring, Iterator begin, Iterator end) +{ + size_t n = end-begin; + if (n == 1) + *begin = ring.MultiplicativeInverse(*begin); + else if (n > 1) + { + std::vector<T> vec((n+1)/2); + unsigned int i; + Iterator it; + + for (i=0, it=begin; i<n/2; i++, it+=2) + vec[i] = ring.Multiply(*it, *(it+1)); + if (n%2 == 1) + vec[n/2] = *it; + + ParallelInvert(ring, vec.begin(), vec.end()); + + for (i=0, it=begin; i<n/2; i++, it+=2) + { + if (!vec[i]) + { + *it = ring.MultiplicativeInverse(*it); + *(it+1) = ring.MultiplicativeInverse(*(it+1)); + } + else + { + std::swap(*it, *(it+1)); + *it = ring.Multiply(*it, vec[i]); + *(it+1) = ring.Multiply(*(it+1), vec[i]); + } + } + if (n%2 == 1) + *it = vec[n/2]; + } +} + +struct ProjectivePoint +{ + ProjectivePoint() {} + ProjectivePoint(const Integer &x, const Integer &y, const Integer &z) + : x(x), y(y), z(z) {} + + Integer x,y,z; +}; + +class ProjectiveDoubling +{ +public: + ProjectiveDoubling(const ModularArithmetic &mr, const Integer &m_a, const Integer &m_b, const ECPPoint &Q) + : mr(mr), firstDoubling(true), negated(false) + { + if (Q.identity) + { + sixteenY4 = P.x = P.y = mr.MultiplicativeIdentity(); + aZ4 = P.z = mr.Identity(); + } + else + { + P.x = Q.x; + P.y = Q.y; + sixteenY4 = P.z = mr.MultiplicativeIdentity(); + aZ4 = m_a; + } + } + + void Double() + { + twoY = mr.Double(P.y); + P.z = mr.Multiply(P.z, twoY); + fourY2 = mr.Square(twoY); + S = mr.Multiply(fourY2, P.x); + aZ4 = mr.Multiply(aZ4, sixteenY4); + M = mr.Square(P.x); + M = mr.Add(mr.Add(mr.Double(M), M), aZ4); + P.x = mr.Square(M); + mr.Reduce(P.x, S); + mr.Reduce(P.x, S); + mr.Reduce(S, P.x); + P.y = mr.Multiply(M, S); + sixteenY4 = mr.Square(fourY2); + mr.Reduce(P.y, mr.Half(sixteenY4)); + } + + const ModularArithmetic &mr; + ProjectivePoint P; + bool firstDoubling, negated; + Integer sixteenY4, aZ4, twoY, fourY2, S, M; +}; + +struct ZIterator +{ + ZIterator() {} + ZIterator(std::vector<ProjectivePoint>::iterator it) : it(it) {} + Integer& operator*() {return it->z;} + int operator-(ZIterator it2) {return int(it-it2.it);} + ZIterator operator+(int i) {return ZIterator(it+i);} + ZIterator& operator+=(int i) {it+=i; return *this;} + std::vector<ProjectivePoint>::iterator it; +}; + +ECP::Point ECP::ScalarMultiply(const Point &P, const Integer &k) const +{ + Element result; + if (k.BitCount() <= 5) + AbstractGroup<ECPPoint>::SimultaneousMultiply(&result, P, &k, 1); + else + ECP::SimultaneousMultiply(&result, P, &k, 1); + return result; +} + +void ECP::SimultaneousMultiply(ECP::Point *results, const ECP::Point &P, const Integer *expBegin, unsigned int expCount) const +{ + if (!GetField().IsMontgomeryRepresentation()) + { + ECP ecpmr(*this, true); + const ModularArithmetic &mr = ecpmr.GetField(); + ecpmr.SimultaneousMultiply(results, ToMontgomery(mr, P), expBegin, expCount); + for (unsigned int i=0; i<expCount; i++) + results[i] = FromMontgomery(mr, results[i]); + return; + } + + ProjectiveDoubling rd(GetField(), m_a, m_b, P); + std::vector<ProjectivePoint> bases; + std::vector<WindowSlider> exponents; + exponents.reserve(expCount); + std::vector<std::vector<word32> > baseIndices(expCount); + std::vector<std::vector<bool> > negateBase(expCount); + std::vector<std::vector<word32> > exponentWindows(expCount); + unsigned int i; + + for (i=0; i<expCount; i++) + { + assert(expBegin->NotNegative()); + exponents.push_back(WindowSlider(*expBegin++, InversionIsFast(), 5)); + exponents[i].FindNextWindow(); + } + + unsigned int expBitPosition = 0; + bool notDone = true; + + while (notDone) + { + notDone = false; + bool baseAdded = false; + for (i=0; i<expCount; i++) + { + if (!exponents[i].finished && expBitPosition == exponents[i].windowBegin) + { + if (!baseAdded) + { + bases.push_back(rd.P); + baseAdded =true; + } + + exponentWindows[i].push_back(exponents[i].expWindow); + baseIndices[i].push_back((word32)bases.size()-1); + negateBase[i].push_back(exponents[i].negateNext); + + exponents[i].FindNextWindow(); + } + notDone = notDone || !exponents[i].finished; + } + + if (notDone) + { + rd.Double(); + expBitPosition++; + } + } + + // convert from projective to affine coordinates + ParallelInvert(GetField(), ZIterator(bases.begin()), ZIterator(bases.end())); + for (i=0; i<bases.size(); i++) + { + if (bases[i].z.NotZero()) + { + bases[i].y = GetField().Multiply(bases[i].y, bases[i].z); + bases[i].z = GetField().Square(bases[i].z); + bases[i].x = GetField().Multiply(bases[i].x, bases[i].z); + bases[i].y = GetField().Multiply(bases[i].y, bases[i].z); + } + } + + std::vector<BaseAndExponent<Point, Integer> > finalCascade; + for (i=0; i<expCount; i++) + { + finalCascade.resize(baseIndices[i].size()); + for (unsigned int j=0; j<baseIndices[i].size(); j++) + { + ProjectivePoint &base = bases[baseIndices[i][j]]; + if (base.z.IsZero()) + finalCascade[j].base.identity = true; + else + { + finalCascade[j].base.identity = false; + finalCascade[j].base.x = base.x; + if (negateBase[i][j]) + finalCascade[j].base.y = GetField().Inverse(base.y); + else + finalCascade[j].base.y = base.y; + } + finalCascade[j].exponent = Integer(Integer::POSITIVE, 0, exponentWindows[i][j]); + } + results[i] = GeneralCascadeMultiplication(*this, finalCascade.begin(), finalCascade.end()); + } +} + +ECP::Point ECP::CascadeScalarMultiply(const Point &P, const Integer &k1, const Point &Q, const Integer &k2) const +{ + if (!GetField().IsMontgomeryRepresentation()) + { + ECP ecpmr(*this, true); + const ModularArithmetic &mr = ecpmr.GetField(); + return FromMontgomery(mr, ecpmr.CascadeScalarMultiply(ToMontgomery(mr, P), k1, ToMontgomery(mr, Q), k2)); + } + else + return AbstractGroup<Point>::CascadeScalarMultiply(P, k1, Q, k2); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ecp.h b/CryptoPP/ecp.h new file mode 100644 index 000000000..d946be63a --- /dev/null +++ b/CryptoPP/ecp.h @@ -0,0 +1,126 @@ +#ifndef CRYPTOPP_ECP_H +#define CRYPTOPP_ECP_H + +#include "modarith.h" +#include "eprecomp.h" +#include "smartptr.h" +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Elliptical Curve Point +struct CRYPTOPP_DLL ECPPoint +{ + ECPPoint() : identity(true) {} + ECPPoint(const Integer &x, const Integer &y) + : identity(false), x(x), y(y) {} + + bool operator==(const ECPPoint &t) const + {return (identity && t.identity) || (!identity && !t.identity && x==t.x && y==t.y);} + bool operator< (const ECPPoint &t) const + {return identity ? !t.identity : (!t.identity && (x<t.x || (x==t.x && y<t.y)));} + + bool identity; + Integer x, y; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<ECPPoint>; + +//! Elliptic Curve over GF(p), where p is prime +class CRYPTOPP_DLL ECP : public AbstractGroup<ECPPoint> +{ +public: + typedef ModularArithmetic Field; + typedef Integer FieldElement; + typedef ECPPoint Point; + + ECP() {} + ECP(const ECP &ecp, bool convertToMontgomeryRepresentation = false); + ECP(const Integer &modulus, const FieldElement &a, const FieldElement &b) + : m_fieldPtr(new Field(modulus)), m_a(a.IsNegative() ? modulus+a : a), m_b(b) {} + // construct from BER encoded parameters + // this constructor will decode and extract the the fields fieldID and curve of the sequence ECParameters + ECP(BufferedTransformation &bt); + + // encode the fields fieldID and curve of the sequence ECParameters + void DEREncode(BufferedTransformation &bt) const; + + bool Equal(const Point &P, const Point &Q) const; + const Point& Identity() const; + const Point& Inverse(const Point &P) const; + bool InversionIsFast() const {return true;} + const Point& Add(const Point &P, const Point &Q) const; + const Point& Double(const Point &P) const; + Point ScalarMultiply(const Point &P, const Integer &k) const; + Point CascadeScalarMultiply(const Point &P, const Integer &k1, const Point &Q, const Integer &k2) const; + void SimultaneousMultiply(Point *results, const Point &base, const Integer *exponents, unsigned int exponentsCount) const; + + Point Multiply(const Integer &k, const Point &P) const + {return ScalarMultiply(P, k);} + Point CascadeMultiply(const Integer &k1, const Point &P, const Integer &k2, const Point &Q) const + {return CascadeScalarMultiply(P, k1, Q, k2);} + + bool ValidateParameters(RandomNumberGenerator &rng, unsigned int level=3) const; + bool VerifyPoint(const Point &P) const; + + unsigned int EncodedPointSize(bool compressed = false) const + {return 1 + (compressed?1:2)*GetField().MaxElementByteLength();} + // returns false if point is compressed and not valid (doesn't check if uncompressed) + bool DecodePoint(Point &P, BufferedTransformation &bt, size_t len) const; + bool DecodePoint(Point &P, const byte *encodedPoint, size_t len) const; + void EncodePoint(byte *encodedPoint, const Point &P, bool compressed) const; + void EncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const; + + Point BERDecodePoint(BufferedTransformation &bt) const; + void DEREncodePoint(BufferedTransformation &bt, const Point &P, bool compressed) const; + + Integer FieldSize() const {return GetField().GetModulus();} + const Field & GetField() const {return *m_fieldPtr;} + const FieldElement & GetA() const {return m_a;} + const FieldElement & GetB() const {return m_b;} + + bool operator==(const ECP &rhs) const + {return GetField() == rhs.GetField() && m_a == rhs.m_a && m_b == rhs.m_b;} + +private: + clonable_ptr<Field> m_fieldPtr; + FieldElement m_a, m_b; + mutable Point m_R; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<ECP::Point>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupPrecomputation<ECP::Point>; + +template <class T> class EcPrecomputation; + +//! ECP precomputation +template<> class EcPrecomputation<ECP> : public DL_GroupPrecomputation<ECP::Point> +{ +public: + typedef ECP EllipticCurve; + + // DL_GroupPrecomputation + bool NeedConversions() const {return true;} + Element ConvertIn(const Element &P) const + {return P.identity ? P : ECP::Point(m_ec->GetField().ConvertIn(P.x), m_ec->GetField().ConvertIn(P.y));}; + Element ConvertOut(const Element &P) const + {return P.identity ? P : ECP::Point(m_ec->GetField().ConvertOut(P.x), m_ec->GetField().ConvertOut(P.y));} + const AbstractGroup<Element> & GetGroup() const {return *m_ec;} + Element BERDecodeElement(BufferedTransformation &bt) const {return m_ec->BERDecodePoint(bt);} + void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {m_ec->DEREncodePoint(bt, v, false);} + + // non-inherited + void SetCurve(const ECP &ec) + { + m_ec.reset(new ECP(ec, true)); + m_ecOriginal = ec; + } + const ECP & GetCurve() const {return *m_ecOriginal;} + +private: + value_ptr<ECP> m_ec, m_ecOriginal; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/elgamal.cpp b/CryptoPP/elgamal.cpp new file mode 100644 index 000000000..b58fe7c06 --- /dev/null +++ b/CryptoPP/elgamal.cpp @@ -0,0 +1,17 @@ +// elgamal.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "elgamal.h" +#include "asn.h" +#include "nbtheory.h" + +NAMESPACE_BEGIN(CryptoPP) + +void ElGamal_TestInstantiations() +{ + ElGamalEncryptor test1(1, 1, 1); + ElGamalDecryptor test2(NullRNG(), 123); + ElGamalEncryptor test3(test2); +} + +NAMESPACE_END diff --git a/CryptoPP/elgamal.h b/CryptoPP/elgamal.h new file mode 100644 index 000000000..9afc30eee --- /dev/null +++ b/CryptoPP/elgamal.h @@ -0,0 +1,121 @@ +#ifndef CRYPTOPP_ELGAMAL_H +#define CRYPTOPP_ELGAMAL_H + +#include "modexppc.h" +#include "dsa.h" + +NAMESPACE_BEGIN(CryptoPP) + +class CRYPTOPP_NO_VTABLE ElGamalBase : public DL_KeyAgreementAlgorithm_DH<Integer, NoCofactorMultiplication>, + public DL_KeyDerivationAlgorithm<Integer>, + public DL_SymmetricEncryptionAlgorithm +{ +public: + void Derive(const DL_GroupParameters<Integer> &groupParams, byte *derivedKey, size_t derivedLength, const Integer &agreedElement, const Integer &ephemeralPublicKey, const NameValuePairs &derivationParams) const + { + agreedElement.Encode(derivedKey, derivedLength); + } + + size_t GetSymmetricKeyLength(size_t plainTextLength) const + { + return GetGroupParameters().GetModulus().ByteCount(); + } + + size_t GetSymmetricCiphertextLength(size_t plainTextLength) const + { + unsigned int len = GetGroupParameters().GetModulus().ByteCount(); + if (plainTextLength <= GetMaxSymmetricPlaintextLength(len)) + return len; + else + return 0; + } + + size_t GetMaxSymmetricPlaintextLength(size_t cipherTextLength) const + { + unsigned int len = GetGroupParameters().GetModulus().ByteCount(); + if (cipherTextLength == len) + return STDMIN(255U, len-3); + else + return 0; + } + + void SymmetricEncrypt(RandomNumberGenerator &rng, const byte *key, const byte *plainText, size_t plainTextLength, byte *cipherText, const NameValuePairs ¶meters) const + { + const Integer &p = GetGroupParameters().GetModulus(); + unsigned int modulusLen = p.ByteCount(); + + SecByteBlock block(modulusLen-1); + rng.GenerateBlock(block, modulusLen-2-plainTextLength); + memcpy(block+modulusLen-2-plainTextLength, plainText, plainTextLength); + block[modulusLen-2] = (byte)plainTextLength; + + a_times_b_mod_c(Integer(key, modulusLen), Integer(block, modulusLen-1), p).Encode(cipherText, modulusLen); + } + + DecodingResult SymmetricDecrypt(const byte *key, const byte *cipherText, size_t cipherTextLength, byte *plainText, const NameValuePairs ¶meters) const + { + const Integer &p = GetGroupParameters().GetModulus(); + unsigned int modulusLen = p.ByteCount(); + + if (cipherTextLength != modulusLen) + return DecodingResult(); + + Integer m = a_times_b_mod_c(Integer(cipherText, modulusLen), Integer(key, modulusLen).InverseMod(p), p); + + m.Encode(plainText, 1); + unsigned int plainTextLength = plainText[0]; + if (plainTextLength > GetMaxSymmetricPlaintextLength(modulusLen)) + return DecodingResult(); + m >>= 8; + m.Encode(plainText, plainTextLength); + return DecodingResult(plainTextLength); + } + + virtual const DL_GroupParameters_GFP & GetGroupParameters() const =0; +}; + +template <class BASE, class SCHEME_OPTIONS, class KEY> +class ElGamalObjectImpl : public DL_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY>, public ElGamalBase +{ +public: + size_t FixedMaxPlaintextLength() const {return this->MaxPlaintextLength(FixedCiphertextLength());} + size_t FixedCiphertextLength() const {return this->CiphertextLength(0);} + + const DL_GroupParameters_GFP & GetGroupParameters() const {return this->GetKey().GetGroupParameters();} + + DecodingResult FixedLengthDecrypt(RandomNumberGenerator &rng, const byte *cipherText, byte *plainText) const + {return Decrypt(rng, cipherText, FixedCiphertextLength(), plainText);} + +protected: + const DL_KeyAgreementAlgorithm<Integer> & GetKeyAgreementAlgorithm() const {return *this;} + const DL_KeyDerivationAlgorithm<Integer> & GetKeyDerivationAlgorithm() const {return *this;} + const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const {return *this;} +}; + +struct ElGamalKeys +{ + typedef DL_CryptoKeys_GFP::GroupParameters GroupParameters; + typedef DL_PrivateKey_GFP_OldFormat<DL_CryptoKeys_GFP::PrivateKey> PrivateKey; + typedef DL_PublicKey_GFP_OldFormat<DL_CryptoKeys_GFP::PublicKey> PublicKey; +}; + +//! ElGamal encryption scheme with non-standard padding +struct ElGamal +{ + typedef DL_CryptoSchemeOptions<ElGamal, ElGamalKeys, int, int, int> SchemeOptions; + + static const char * StaticAlgorithmName() {return "ElgamalEnc/Crypto++Padding";} + + typedef SchemeOptions::GroupParameters GroupParameters; + //! implements PK_Encryptor interface + typedef PK_FinalTemplate<ElGamalObjectImpl<DL_EncryptorBase<Integer>, SchemeOptions, SchemeOptions::PublicKey> > Encryptor; + //! implements PK_Decryptor interface + typedef PK_FinalTemplate<ElGamalObjectImpl<DL_DecryptorBase<Integer>, SchemeOptions, SchemeOptions::PrivateKey> > Decryptor; +}; + +typedef ElGamal::Encryptor ElGamalEncryptor; +typedef ElGamal::Decryptor ElGamalDecryptor; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/emsa2.cpp b/CryptoPP/emsa2.cpp new file mode 100644 index 000000000..3dbb7e8c0 --- /dev/null +++ b/CryptoPP/emsa2.cpp @@ -0,0 +1,34 @@ +// emsa2.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "emsa2.h" + +#ifndef CRYPTOPP_IMPORTS + +NAMESPACE_BEGIN(CryptoPP) + +void EMSA2Pad::ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + assert(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize())); + + if (representativeBitLength % 8 != 7) + throw PK_SignatureScheme::InvalidKeyLength("EMSA2: EMSA2 requires a key length that is a multiple of 8"); + + size_t digestSize = hash.DigestSize(); + size_t representativeByteLength = BitsToBytes(representativeBitLength); + + representative[0] = messageEmpty ? 0x4b : 0x6b; + memset(representative+1, 0xbb, representativeByteLength-digestSize-4); // pad with 0xbb + byte *afterP2 = representative+representativeByteLength-digestSize-3; + afterP2[0] = 0xba; + hash.Final(afterP2+1); + representative[representativeByteLength-2] = *hashIdentifier.first; + representative[representativeByteLength-1] = 0xcc; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/emsa2.h b/CryptoPP/emsa2.h new file mode 100644 index 000000000..49109e6db --- /dev/null +++ b/CryptoPP/emsa2.h @@ -0,0 +1,86 @@ +#ifndef CRYPTOPP_EMSA2_H +#define CRYPTOPP_EMSA2_H + +/** \file + This file contains various padding schemes for public key algorithms. +*/ + +#include "cryptlib.h" +#include "pubkey.h" + +#ifdef CRYPTOPP_IS_DLL +#include "sha.h" +#endif + +NAMESPACE_BEGIN(CryptoPP) + +template <class H> class EMSA2HashId +{ +public: + static const byte id; +}; + +template <class BASE> +class EMSA2HashIdLookup : public BASE +{ +public: + struct HashIdentifierLookup + { + template <class H> struct HashIdentifierLookup2 + { + static HashIdentifier Lookup() + { + return HashIdentifier(&EMSA2HashId<H>::id, 1); + } + }; + }; +}; + +// EMSA2HashId can be instantiated with the following classes. +class SHA1; +class RIPEMD160; +class RIPEMD128; +class SHA256; +class SHA384; +class SHA512; +class Whirlpool; +class SHA224; +// end of list + +#ifdef CRYPTOPP_IS_DLL +CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA1>; +CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA224>; +CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA256>; +CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA384>; +CRYPTOPP_DLL_TEMPLATE_CLASS EMSA2HashId<SHA512>; +#endif + +//! _ +class CRYPTOPP_DLL EMSA2Pad : public EMSA2HashIdLookup<PK_DeterministicSignatureMessageEncodingMethod> +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "EMSA2";} + + size_t MinRepresentativeBitLength(size_t hashIdentifierLength, size_t digestLength) const + {return 8*digestLength + 31;} + + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; +}; + +//! EMSA2, for use with RWSS and RSA_ISO +/*! Only the following hash functions are supported by this signature standard: + \dontinclude emsa2.h + \skip EMSA2HashId can be instantiated + \until end of list +*/ +struct P1363_EMSA2 : public SignatureStandard +{ + typedef EMSA2Pad SignatureMessageEncodingMethod; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/eprecomp.cpp b/CryptoPP/eprecomp.cpp new file mode 100644 index 000000000..a061cf6cd --- /dev/null +++ b/CryptoPP/eprecomp.cpp @@ -0,0 +1,112 @@ +// eprecomp.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "eprecomp.h" +#include "asn.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> void DL_FixedBasePrecomputationImpl<T>::SetBase(const DL_GroupPrecomputation<Element> &group, const Element &i_base) +{ + m_base = group.NeedConversions() ? group.ConvertIn(i_base) : i_base; + + if (m_bases.empty() || !(m_base == m_bases[0])) + { + m_bases.resize(1); + m_bases[0] = m_base; + } + + if (group.NeedConversions()) + m_base = i_base; +} + +template <class T> void DL_FixedBasePrecomputationImpl<T>::Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage) +{ + assert(m_bases.size() > 0); + assert(storage <= maxExpBits); + + if (storage > 1) + { + m_windowSize = (maxExpBits+storage-1)/storage; + m_exponentBase = Integer::Power2(m_windowSize); + } + + m_bases.resize(storage); + for (unsigned i=1; i<storage; i++) + m_bases[i] = group.GetGroup().ScalarMultiply(m_bases[i-1], m_exponentBase); +} + +template <class T> void DL_FixedBasePrecomputationImpl<T>::Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + word32 version; + BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1); + m_exponentBase.BERDecode(seq); + m_windowSize = m_exponentBase.BitCount() - 1; + m_bases.clear(); + while (!seq.EndReached()) + m_bases.push_back(group.BERDecodeElement(seq)); + if (!m_bases.empty() && group.NeedConversions()) + m_base = group.ConvertOut(m_bases[0]); + seq.MessageEnd(); +} + +template <class T> void DL_FixedBasePrecomputationImpl<T>::Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + DEREncodeUnsigned<word32>(seq, 1); // version + m_exponentBase.DEREncode(seq); + for (unsigned i=0; i<m_bases.size(); i++) + group.DEREncodeElement(seq, m_bases[i]); + seq.MessageEnd(); +} + +template <class T> void DL_FixedBasePrecomputationImpl<T>::PrepareCascade(const DL_GroupPrecomputation<Element> &i_group, std::vector<BaseAndExponent<Element> > &eb, const Integer &exponent) const +{ + const AbstractGroup<T> &group = i_group.GetGroup(); + + Integer r, q, e = exponent; + bool fastNegate = group.InversionIsFast() && m_windowSize > 1; + unsigned int i; + + for (i=0; i+1<m_bases.size(); i++) + { + Integer::DivideByPowerOf2(r, q, e, m_windowSize); + std::swap(q, e); + if (fastNegate && r.GetBit(m_windowSize-1)) + { + ++e; + eb.push_back(BaseAndExponent<Element>(group.Inverse(m_bases[i]), m_exponentBase - r)); + } + else + eb.push_back(BaseAndExponent<Element>(m_bases[i], r)); + } + eb.push_back(BaseAndExponent<Element>(m_bases[i], e)); +} + +template <class T> T DL_FixedBasePrecomputationImpl<T>::Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const +{ + std::vector<BaseAndExponent<Element> > eb; // array of segments of the exponent and precalculated bases + eb.reserve(m_bases.size()); + PrepareCascade(group, eb, exponent); + return group.ConvertOut(GeneralCascadeMultiplication<Element>(group.GetGroup(), eb.begin(), eb.end())); +} + +template <class T> T + DL_FixedBasePrecomputationImpl<T>::CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, + const DL_FixedBasePrecomputation<T> &i_pc2, const Integer &exponent2) const +{ + std::vector<BaseAndExponent<Element> > eb; // array of segments of the exponent and precalculated bases + const DL_FixedBasePrecomputationImpl<T> &pc2 = static_cast<const DL_FixedBasePrecomputationImpl<T> &>(i_pc2); + eb.reserve(m_bases.size() + pc2.m_bases.size()); + PrepareCascade(group, eb, exponent); + pc2.PrepareCascade(group, eb, exponent2); + return group.ConvertOut(GeneralCascadeMultiplication<Element>(group.GetGroup(), eb.begin(), eb.end())); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/eprecomp.h b/CryptoPP/eprecomp.h new file mode 100644 index 000000000..1f3256766 --- /dev/null +++ b/CryptoPP/eprecomp.h @@ -0,0 +1,75 @@ +#ifndef CRYPTOPP_EPRECOMP_H +#define CRYPTOPP_EPRECOMP_H + +#include "integer.h" +#include "algebra.h" +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> +class DL_GroupPrecomputation +{ +public: + typedef T Element; + + virtual bool NeedConversions() const {return false;} + virtual Element ConvertIn(const Element &v) const {return v;} + virtual Element ConvertOut(const Element &v) const {return v;} + virtual const AbstractGroup<Element> & GetGroup() const =0; + virtual Element BERDecodeElement(BufferedTransformation &bt) const =0; + virtual void DEREncodeElement(BufferedTransformation &bt, const Element &P) const =0; +}; + +template <class T> +class DL_FixedBasePrecomputation +{ +public: + typedef T Element; + + virtual bool IsInitialized() const =0; + virtual void SetBase(const DL_GroupPrecomputation<Element> &group, const Element &base) =0; + virtual const Element & GetBase(const DL_GroupPrecomputation<Element> &group) const =0; + virtual void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage) =0; + virtual void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) =0; + virtual void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const =0; + virtual Element Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const =0; + virtual Element CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, const DL_FixedBasePrecomputation<Element> &pc2, const Integer &exponent2) const =0; +}; + +template <class T> +class DL_FixedBasePrecomputationImpl : public DL_FixedBasePrecomputation<T> +{ +public: + typedef T Element; + + DL_FixedBasePrecomputationImpl() : m_windowSize(0) {} + + // DL_FixedBasePrecomputation + bool IsInitialized() const + {return !m_bases.empty();} + void SetBase(const DL_GroupPrecomputation<Element> &group, const Element &base); + const Element & GetBase(const DL_GroupPrecomputation<Element> &group) const + {return group.NeedConversions() ? m_base : m_bases[0];} + void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage); + void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation); + void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const; + Element Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const; + Element CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, const DL_FixedBasePrecomputation<Element> &pc2, const Integer &exponent2) const; + +private: + void PrepareCascade(const DL_GroupPrecomputation<Element> &group, std::vector<BaseAndExponent<Element> > &eb, const Integer &exponent) const; + + Element m_base; + unsigned int m_windowSize; + Integer m_exponentBase; // what base to represent the exponent in + std::vector<Element> m_bases; // precalculated bases +}; + +NAMESPACE_END + +#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#include "eprecomp.cpp" +#endif + +#endif diff --git a/CryptoPP/esign.cpp b/CryptoPP/esign.cpp new file mode 100644 index 000000000..8b42c1fa4 --- /dev/null +++ b/CryptoPP/esign.cpp @@ -0,0 +1,210 @@ +// esign.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "esign.h" +#include "asn.h" +#include "modarith.h" +#include "nbtheory.h" +#include "sha.h" +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +void ESIGN_TestInstantiations() +{ + ESIGN<SHA>::Verifier x1(1, 1); + ESIGN<SHA>::Signer x2(NullRNG(), 1); + ESIGN<SHA>::Verifier x3(x2); + ESIGN<SHA>::Verifier x4(x2.GetKey()); + ESIGN<SHA>::Verifier x5(x3); + ESIGN<SHA>::Signer x6 = x2; + + x6 = x2; + x3 = ESIGN<SHA>::Verifier(x2); + x4 = x2.GetKey(); +} + +void ESIGNFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_e.BERDecode(seq); + seq.MessageEnd(); +} + +void ESIGNFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_e.DEREncode(seq); + seq.MessageEnd(); +} + +Integer ESIGNFunction::ApplyFunction(const Integer &x) const +{ + DoQuickSanityCheck(); + return STDMIN(a_exp_b_mod_c(x, m_e, m_n) >> (2*GetK()+2), MaxImage()); +} + +bool ESIGNFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_n > Integer::One() && m_n.IsOdd(); + pass = pass && m_e >= 8 && m_e < m_n; + return pass; +} + +bool ESIGNFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_GET_FUNCTION_ENTRY(PublicExponent) + ; +} + +void ESIGNFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_SET_FUNCTION_ENTRY(PublicExponent) + ; +} + +// ***************************************************************************** + +void InvertibleESIGNFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶m) +{ + int modulusSize = 1023*2; + param.GetIntValue("ModulusSize", modulusSize) || param.GetIntValue("KeySize", modulusSize); + + if (modulusSize < 24) + throw InvalidArgument("InvertibleESIGNFunction: specified modulus size is too small"); + + if (modulusSize % 3 != 0) + throw InvalidArgument("InvertibleESIGNFunction: modulus size must be divisible by 3"); + + m_e = param.GetValueWithDefault("PublicExponent", Integer(32)); + + if (m_e < 8) + throw InvalidArgument("InvertibleESIGNFunction: public exponents less than 8 may not be secure"); + + // VC70 workaround: putting these after primeParam causes overlapped stack allocation + ConstByteArrayParameter seedParam; + SecByteBlock seed; + + const Integer minP = Integer(204) << (modulusSize/3-8); + const Integer maxP = Integer::Power2(modulusSize/3)-1; + AlgorithmParameters primeParam = MakeParameters("Min", minP)("Max", maxP)("RandomNumberType", Integer::PRIME); + + if (param.GetValue("Seed", seedParam)) + { + seed.resize(seedParam.size() + 4); + memcpy(seed + 4, seedParam.begin(), seedParam.size()); + + PutWord(false, BIG_ENDIAN_ORDER, seed, (word32)0); + m_p.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("Seed", ConstByteArrayParameter(seed)))); + PutWord(false, BIG_ENDIAN_ORDER, seed, (word32)1); + m_q.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("Seed", ConstByteArrayParameter(seed)))); + } + else + { + m_p.GenerateRandom(rng, primeParam); + m_q.GenerateRandom(rng, primeParam); + } + + m_n = m_p * m_p * m_q; + + assert(m_n.BitCount() == modulusSize); +} + +void InvertibleESIGNFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder privateKey(bt); + m_n.BERDecode(privateKey); + m_e.BERDecode(privateKey); + m_p.BERDecode(privateKey); + m_q.BERDecode(privateKey); + privateKey.MessageEnd(); +} + +void InvertibleESIGNFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder privateKey(bt); + m_n.DEREncode(privateKey); + m_e.DEREncode(privateKey); + m_p.DEREncode(privateKey); + m_q.DEREncode(privateKey); + privateKey.MessageEnd(); +} + +Integer InvertibleESIGNFunction::CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const +{ + DoQuickSanityCheck(); + + Integer pq = m_p * m_q; + Integer p2 = m_p * m_p; + Integer r, z, re, a, w0, w1; + + do + { + r.Randomize(rng, Integer::Zero(), pq); + z = x << (2*GetK()+2); + re = a_exp_b_mod_c(r, m_e, m_n); + a = (z - re) % m_n; + Integer::Divide(w1, w0, a, pq); + if (w1.NotZero()) + { + ++w0; + w1 = pq - w1; + } + } + while ((w1 >> 2*GetK()+1).IsPositive()); + + ModularArithmetic modp(m_p); + Integer t = modp.Divide(w0 * r % m_p, m_e * re % m_p); + Integer s = r + t*pq; + assert(s < m_n); +/* + using namespace std; + cout << "f = " << x << endl; + cout << "r = " << r << endl; + cout << "z = " << z << endl; + cout << "a = " << a << endl; + cout << "w0 = " << w0 << endl; + cout << "w1 = " << w1 << endl; + cout << "t = " << t << endl; + cout << "s = " << s << endl; +*/ + return s; +} + +bool InvertibleESIGNFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = ESIGNFunction::Validate(rng, level); + pass = pass && m_p > Integer::One() && m_p.IsOdd() && m_p < m_n; + pass = pass && m_q > Integer::One() && m_q.IsOdd() && m_q < m_n; + pass = pass && m_p.BitCount() == m_q.BitCount(); + if (level >= 1) + pass = pass && m_p * m_p * m_q == m_n; + if (level >= 2) + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + return pass; +} + +bool InvertibleESIGNFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<ESIGNFunction>(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) + ; +} + +void InvertibleESIGNFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper<ESIGNFunction>(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) + ; +} + +NAMESPACE_END diff --git a/CryptoPP/esign.h b/CryptoPP/esign.h new file mode 100644 index 000000000..8eecbc5a1 --- /dev/null +++ b/CryptoPP/esign.h @@ -0,0 +1,128 @@ +#ifndef CRYPTOPP_ESIGN_H +#define CRYPTOPP_ESIGN_H + +/** \file + This file contains classes that implement the + ESIGN signature schemes as defined in IEEE P1363a. +*/ + +#include "pubkey.h" +#include "integer.h" +#include "asn.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class ESIGNFunction : public TrapdoorFunction, public ASN1CryptoMaterial<PublicKey> +{ + typedef ESIGNFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &e) + {m_n = n; m_e = e;} + + // PublicKey + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + // CryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // TrapdoorFunction + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return m_n;} + Integer ImageBound() const {return Integer::Power2(GetK());} + + // non-derived + const Integer & GetModulus() const {return m_n;} + const Integer & GetPublicExponent() const {return m_e;} + + void SetModulus(const Integer &n) {m_n = n;} + void SetPublicExponent(const Integer &e) {m_e = e;} + +protected: + unsigned int GetK() const {return m_n.BitCount()/3-1;} + + Integer m_n, m_e; +}; + +//! _ +class InvertibleESIGNFunction : public ESIGNFunction, public RandomizedTrapdoorFunctionInverse, public PrivateKey +{ + typedef InvertibleESIGNFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q) + {m_n = n; m_e = e; m_p = p; m_q = q;} + // generate a random private key + void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits) + {GenerateRandomWithKeySize(rng, modulusBits);} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const; + + // GeneratibleCryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + /*! parameters: (ModulusSize) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + + const Integer& GetPrime1() const {return m_p;} + const Integer& GetPrime2() const {return m_q;} + + void SetPrime1(const Integer &p) {m_p = p;} + void SetPrime2(const Integer &q) {m_q = q;} + +protected: + Integer m_p, m_q; +}; + +//! _ +template <class T> +class EMSA5Pad : public PK_DeterministicSignatureMessageEncodingMethod +{ +public: + static const char *StaticAlgorithmName() {return "EMSA5";} + + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const + { + SecByteBlock digest(hash.DigestSize()); + hash.Final(digest); + size_t representativeByteLength = BitsToBytes(representativeBitLength); + T mgf; + mgf.GenerateAndMask(hash, representative, representativeByteLength, digest, digest.size(), false); + if (representativeBitLength % 8 != 0) + representative[0] = (byte)Crop(representative[0], representativeBitLength % 8); + } +}; + +//! EMSA5, for use with ESIGN +struct P1363_EMSA5 : public SignatureStandard +{ + typedef EMSA5Pad<P1363_MGF1> SignatureMessageEncodingMethod; +}; + +struct ESIGN_Keys +{ + static std::string StaticAlgorithmName() {return "ESIGN";} + typedef ESIGNFunction PublicKey; + typedef InvertibleESIGNFunction PrivateKey; +}; + +//! ESIGN, as defined in IEEE P1363a +template <class H, class STANDARD = P1363_EMSA5> +struct ESIGN : public TF_SS<STANDARD, H, ESIGN_Keys> +{ +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/factory.h b/CryptoPP/factory.h new file mode 100644 index 000000000..ef5a59e41 --- /dev/null +++ b/CryptoPP/factory.h @@ -0,0 +1,135 @@ +#ifndef CRYPTOPP_OBJFACT_H +#define CRYPTOPP_OBJFACT_H + +#include "cryptlib.h" +#include <map> +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class AbstractClass> +class ObjectFactory +{ +public: + virtual AbstractClass * CreateObject() const =0; +}; + +//! _ +template <class AbstractClass, class ConcreteClass> +class DefaultObjectFactory : public ObjectFactory<AbstractClass> +{ +public: + AbstractClass * CreateObject() const + { + return new ConcreteClass; + } + +}; + +//! _ +template <class AbstractClass, int instance=0> +class ObjectFactoryRegistry +{ +public: + class FactoryNotFound : public Exception + { + public: + FactoryNotFound(const char *name) : Exception(OTHER_ERROR, std::string("ObjectFactoryRegistry: could not find factory for algorithm ") + name) {} + }; + + ~ObjectFactoryRegistry() + { + for (CPP_TYPENAME Map::iterator i = m_map.begin(); i != m_map.end(); ++i) + { + delete (ObjectFactory<AbstractClass> *)i->second; + i->second = NULL; + } + } + + void RegisterFactory(const std::string &name, ObjectFactory<AbstractClass> *factory) + { + m_map[name] = factory; + } + + const ObjectFactory<AbstractClass> * GetFactory(const char *name) const + { + CPP_TYPENAME Map::const_iterator i = m_map.find(name); + return i == m_map.end() ? NULL : (ObjectFactory<AbstractClass> *)i->second; + } + + AbstractClass *CreateObject(const char *name) const + { + const ObjectFactory<AbstractClass> *factory = GetFactory(name); + if (!factory) + throw FactoryNotFound(name); + return factory->CreateObject(); + } + + // Return a vector containing the factory names. This is easier than returning an iterator. + // from Andrew Pitonyak + std::vector<std::string> GetFactoryNames() const + { + std::vector<std::string> names; + CPP_TYPENAME Map::const_iterator iter; + for (iter = m_map.begin(); iter != m_map.end(); ++iter) + names.push_back(iter->first); + return names; + } + + CRYPTOPP_NOINLINE static ObjectFactoryRegistry<AbstractClass, instance> & Registry(CRYPTOPP_NOINLINE_DOTDOTDOT); + +private: + // use void * instead of ObjectFactory<AbstractClass> * to save code size + typedef std::map<std::string, void *> Map; + Map m_map; +}; + +template <class AbstractClass, int instance> +ObjectFactoryRegistry<AbstractClass, instance> & ObjectFactoryRegistry<AbstractClass, instance>::Registry(CRYPTOPP_NOINLINE_DOTDOTDOT) +{ + static ObjectFactoryRegistry<AbstractClass, instance> s_registry; + return s_registry; +} + +template <class AbstractClass, class ConcreteClass, int instance = 0> +struct RegisterDefaultFactoryFor { +RegisterDefaultFactoryFor(const char *name=NULL) +{ + // BCB2006 workaround + std::string n = name ? std::string(name) : std::string(ConcreteClass::StaticAlgorithmName()); + ObjectFactoryRegistry<AbstractClass, instance>::Registry(). + RegisterFactory(n, new DefaultObjectFactory<AbstractClass, ConcreteClass>); +}}; + +template <class SchemeClass> +void RegisterAsymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) +{ + RegisterDefaultFactoryFor<PK_Encryptor, CPP_TYPENAME SchemeClass::Encryptor>((const char *)name); + RegisterDefaultFactoryFor<PK_Decryptor, CPP_TYPENAME SchemeClass::Decryptor>((const char *)name); +} + +template <class SchemeClass> +void RegisterSignatureSchemeDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) +{ + RegisterDefaultFactoryFor<PK_Signer, CPP_TYPENAME SchemeClass::Signer>((const char *)name); + RegisterDefaultFactoryFor<PK_Verifier, CPP_TYPENAME SchemeClass::Verifier>((const char *)name); +} + +template <class SchemeClass> +void RegisterSymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) +{ + RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION>((const char *)name); + RegisterDefaultFactoryFor<SymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION>((const char *)name); +} + +template <class SchemeClass> +void RegisterAuthenticatedSymmetricCipherDefaultFactories(const char *name=NULL, SchemeClass *dummy=NULL) +{ + RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION>((const char *)name); + RegisterDefaultFactoryFor<AuthenticatedSymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION>((const char *)name); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/files.cpp b/CryptoPP/files.cpp new file mode 100644 index 000000000..453b56248 --- /dev/null +++ b/CryptoPP/files.cpp @@ -0,0 +1,259 @@ +// files.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "files.h" + +#include <limits> + +NAMESPACE_BEGIN(CryptoPP) + +using namespace std; + +#ifndef NDEBUG +void Files_TestInstantiations() +{ + FileStore f0; + FileSource f1; + FileSink f2; +} +#endif + +void FileStore::StoreInitialize(const NameValuePairs ¶meters) +{ + m_waiting = false; + m_stream = NULL; + m_file.release(); + + const char *fileName = NULL; +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + const wchar_t *fileNameWide = NULL; + if (!parameters.GetValue(Name::InputFileNameWide(), fileNameWide)) +#endif + if (!parameters.GetValue(Name::InputFileName(), fileName)) + { + parameters.GetValue(Name::InputStreamPointer(), m_stream); + return; + } + + ios::openmode binary = parameters.GetValueWithDefault(Name::InputBinaryMode(), true) ? ios::binary : ios::openmode(0); + m_file.reset(new std::ifstream); +#ifdef CRYPTOPP_UNIX_AVAILABLE + std::string narrowed; + if (fileNameWide) + fileName = (narrowed = StringNarrow(fileNameWide)).c_str(); +#endif +#if _MSC_VER >= 1400 + if (fileNameWide) + { + m_file->open(fileNameWide, ios::in | binary); + if (!*m_file) + throw OpenErr(StringNarrow(fileNameWide, false)); + } +#endif + if (fileName) + { + m_file->open(fileName, ios::in | binary); + if (!*m_file) + throw OpenErr(fileName); + } + m_stream = m_file.get(); +} + +lword FileStore::MaxRetrievable() const +{ + if (!m_stream) + return 0; + + streampos current = m_stream->tellg(); + streampos end = m_stream->seekg(0, ios::end).tellg(); + m_stream->seekg(current); + return end-current; +} + +size_t FileStore::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + if (!m_stream) + { + transferBytes = 0; + return 0; + } + + lword size=transferBytes; + transferBytes = 0; + + if (m_waiting) + goto output; + + while (size && m_stream->good()) + { + { + size_t spaceSize = 1024; + m_space = HelpCreatePutSpace(target, channel, 1, UnsignedMin(size_t(0)-1, size), spaceSize); + + m_stream->read((char *)m_space, (unsigned int)STDMIN(size, (lword)spaceSize)); + } + m_len = (size_t)m_stream->gcount(); + size_t blockedBytes; +output: + blockedBytes = target.ChannelPutModifiable2(channel, m_space, m_len, 0, blocking); + m_waiting = blockedBytes > 0; + if (m_waiting) + return blockedBytes; + size -= m_len; + transferBytes += m_len; + } + + if (!m_stream->good() && !m_stream->eof()) + throw ReadErr(); + + return 0; +} + +size_t FileStore::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + if (!m_stream) + return 0; + + if (begin == 0 && end == 1) + { + int result = m_stream->peek(); + if (result == char_traits<char>::eof()) + return 0; + else + { + size_t blockedBytes = target.ChannelPut(channel, byte(result), blocking); + begin += 1-blockedBytes; + return blockedBytes; + } + } + + // TODO: figure out what happens on cin + streampos current = m_stream->tellg(); + streampos endPosition = m_stream->seekg(0, ios::end).tellg(); + streampos newPosition = current + (streamoff)begin; + + if (newPosition >= endPosition) + { + m_stream->seekg(current); + return 0; // don't try to seek beyond the end of file + } + m_stream->seekg(newPosition); + try + { + assert(!m_waiting); + lword copyMax = end-begin; + size_t blockedBytes = const_cast<FileStore *>(this)->TransferTo2(target, copyMax, channel, blocking); + begin += copyMax; + if (blockedBytes) + { + const_cast<FileStore *>(this)->m_waiting = false; + return blockedBytes; + } + } + catch(...) + { + m_stream->clear(); + m_stream->seekg(current); + throw; + } + m_stream->clear(); + m_stream->seekg(current); + + return 0; +} + +lword FileStore::Skip(lword skipMax) +{ + if (!m_stream) + return 0; + + lword oldPos = m_stream->tellg(); + std::istream::off_type offset; + if (!SafeConvert(skipMax, offset)) + throw InvalidArgument("FileStore: maximum seek offset exceeded"); + m_stream->seekg(offset, ios::cur); + return (lword)m_stream->tellg() - oldPos; +} + +void FileSink::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_stream = NULL; + m_file.release(); + + const char *fileName = NULL; +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + const wchar_t *fileNameWide = NULL; + if (!parameters.GetValue(Name::OutputFileNameWide(), fileNameWide)) +#endif + if (!parameters.GetValue(Name::OutputFileName(), fileName)) + { + parameters.GetValue(Name::OutputStreamPointer(), m_stream); + return; + } + + ios::openmode binary = parameters.GetValueWithDefault(Name::OutputBinaryMode(), true) ? ios::binary : ios::openmode(0); + m_file.reset(new std::ofstream); +#ifdef CRYPTOPP_UNIX_AVAILABLE + std::string narrowed; + if (fileNameWide) + fileName = (narrowed = StringNarrow(fileNameWide)).c_str(); +#endif +#if _MSC_VER >= 1400 + if (fileNameWide) + { + m_file->open(fileNameWide, ios::out | ios::trunc | binary); + if (!*m_file) + throw OpenErr(StringNarrow(fileNameWide, false)); + } +#endif + if (fileName) + { + m_file->open(fileName, ios::out | ios::trunc | binary); + if (!*m_file) + throw OpenErr(fileName); + } + m_stream = m_file.get(); +} + +bool FileSink::IsolatedFlush(bool hardFlush, bool blocking) +{ + if (!m_stream) + throw Err("FileSink: output stream not opened"); + + m_stream->flush(); + if (!m_stream->good()) + throw WriteErr(); + + return false; +} + +size_t FileSink::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + if (!m_stream) + throw Err("FileSink: output stream not opened"); + + while (length > 0) + { + std::streamsize size; + if (!SafeConvert(length, size)) + size = numeric_limits<std::streamsize>::max(); + m_stream->write((const char *)inString, size); + inString += size; + length -= (size_t)size; + } + + if (messageEnd) + m_stream->flush(); + + if (!m_stream->good()) + throw WriteErr(); + + return 0; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/files.h b/CryptoPP/files.h new file mode 100644 index 000000000..a47e856bf --- /dev/null +++ b/CryptoPP/files.h @@ -0,0 +1,112 @@ +#ifndef CRYPTOPP_FILES_H +#define CRYPTOPP_FILES_H + +#include "cryptlib.h" +#include "filters.h" +#include "argnames.h" + +#include <iostream> +#include <fstream> + +NAMESPACE_BEGIN(CryptoPP) + +//! file-based implementation of Store interface +class CRYPTOPP_DLL FileStore : public Store, private FilterPutSpaceHelper, public NotCopyable +{ +public: + class Err : public Exception + { + public: + Err(const std::string &s) : Exception(IO_ERROR, s) {} + }; + class OpenErr : public Err {public: OpenErr(const std::string &filename) : Err("FileStore: error opening file for reading: " + filename) {}}; + class ReadErr : public Err {public: ReadErr() : Err("FileStore: error reading file") {}}; + + FileStore() : m_stream(NULL) {} + FileStore(std::istream &in) + {StoreInitialize(MakeParameters(Name::InputStreamPointer(), &in));} + FileStore(const char *filename) + {StoreInitialize(MakeParameters(Name::InputFileName(), filename));} +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + //! specify file with Unicode name. On non-Windows OS, this function assumes that setlocale() has been called. + FileStore(const wchar_t *filename) + {StoreInitialize(MakeParameters(Name::InputFileNameWide(), filename));} +#endif + + std::istream* GetStream() {return m_stream;} + + lword MaxRetrievable() const; + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + lword Skip(lword skipMax=ULONG_MAX); + +private: + void StoreInitialize(const NameValuePairs ¶meters); + + member_ptr<std::ifstream> m_file; + std::istream *m_stream; + byte *m_space; + size_t m_len; + bool m_waiting; +}; + +//! file-based implementation of Source interface +class CRYPTOPP_DLL FileSource : public SourceTemplate<FileStore> +{ +public: + typedef FileStore::Err Err; + typedef FileStore::OpenErr OpenErr; + typedef FileStore::ReadErr ReadErr; + + FileSource(BufferedTransformation *attachment = NULL) + : SourceTemplate<FileStore>(attachment) {} + FileSource(std::istream &in, bool pumpAll, BufferedTransformation *attachment = NULL) + : SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputStreamPointer(), &in));} + FileSource(const char *filename, bool pumpAll, BufferedTransformation *attachment = NULL, bool binary=true) + : SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputFileName(), filename)(Name::InputBinaryMode(), binary));} +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + //! specify file with Unicode name. On non-Windows OS, this function assumes that setlocale() has been called. + FileSource(const wchar_t *filename, bool pumpAll, BufferedTransformation *attachment = NULL, bool binary=true) + : SourceTemplate<FileStore>(attachment) {SourceInitialize(pumpAll, MakeParameters(Name::InputFileNameWide(), filename)(Name::InputBinaryMode(), binary));} +#endif + + std::istream* GetStream() {return m_store.GetStream();} +}; + +//! file-based implementation of Sink interface +class CRYPTOPP_DLL FileSink : public Sink, public NotCopyable +{ +public: + class Err : public Exception + { + public: + Err(const std::string &s) : Exception(IO_ERROR, s) {} + }; + class OpenErr : public Err {public: OpenErr(const std::string &filename) : Err("FileSink: error opening file for writing: " + filename) {}}; + class WriteErr : public Err {public: WriteErr() : Err("FileSink: error writing file") {}}; + + FileSink() : m_stream(NULL) {} + FileSink(std::ostream &out) + {IsolatedInitialize(MakeParameters(Name::OutputStreamPointer(), &out));} + FileSink(const char *filename, bool binary=true) + {IsolatedInitialize(MakeParameters(Name::OutputFileName(), filename)(Name::OutputBinaryMode(), binary));} +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + //! specify file with Unicode name. On non-Windows OS, this function assumes that setlocale() has been called. + FileSink(const wchar_t *filename, bool binary=true) + {IsolatedInitialize(MakeParameters(Name::OutputFileNameWide(), filename)(Name::OutputBinaryMode(), binary));} +#endif + + std::ostream* GetStream() {return m_stream;} + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking); + bool IsolatedFlush(bool hardFlush, bool blocking); + +private: + member_ptr<std::ofstream> m_file; + std::ostream *m_stream; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/filters.cpp b/CryptoPP/filters.cpp new file mode 100644 index 000000000..083dfd361 --- /dev/null +++ b/CryptoPP/filters.cpp @@ -0,0 +1,1120 @@ +// filters.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "filters.h" +#include "mqueue.h" +#include "fltrimpl.h" +#include "argnames.h" +#include <memory> +#include <functional> + +NAMESPACE_BEGIN(CryptoPP) + +Filter::Filter(BufferedTransformation *attachment) + : m_attachment(attachment), m_continueAt(0) +{ +} + +BufferedTransformation * Filter::NewDefaultAttachment() const +{ + return new MessageQueue; +} + +BufferedTransformation * Filter::AttachedTransformation() +{ + if (m_attachment.get() == NULL) + m_attachment.reset(NewDefaultAttachment()); + return m_attachment.get(); +} + +const BufferedTransformation *Filter::AttachedTransformation() const +{ + if (m_attachment.get() == NULL) + const_cast<Filter *>(this)->m_attachment.reset(NewDefaultAttachment()); + return m_attachment.get(); +} + +void Filter::Detach(BufferedTransformation *newOut) +{ + m_attachment.reset(newOut); +} + +void Filter::Insert(Filter *filter) +{ + filter->m_attachment.reset(m_attachment.release()); + m_attachment.reset(filter); +} + +size_t Filter::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + return AttachedTransformation()->CopyRangeTo2(target, begin, end, channel, blocking); +} + +size_t Filter::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + return AttachedTransformation()->TransferTo2(target, transferBytes, channel, blocking); +} + +void Filter::Initialize(const NameValuePairs ¶meters, int propagation) +{ + m_continueAt = 0; + IsolatedInitialize(parameters); + PropagateInitialize(parameters, propagation); +} + +bool Filter::Flush(bool hardFlush, int propagation, bool blocking) +{ + switch (m_continueAt) + { + case 0: + if (IsolatedFlush(hardFlush, blocking)) + return true; + case 1: + if (OutputFlush(1, hardFlush, propagation, blocking)) + return true; + } + return false; +} + +bool Filter::MessageSeriesEnd(int propagation, bool blocking) +{ + switch (m_continueAt) + { + case 0: + if (IsolatedMessageSeriesEnd(blocking)) + return true; + case 1: + if (ShouldPropagateMessageSeriesEnd() && OutputMessageSeriesEnd(1, propagation, blocking)) + return true; + } + return false; +} + +void Filter::PropagateInitialize(const NameValuePairs ¶meters, int propagation) +{ + if (propagation) + AttachedTransformation()->Initialize(parameters, propagation-1); +} + +size_t Filter::OutputModifiable(int outputSite, byte *inString, size_t length, int messageEnd, bool blocking, const std::string &channel) +{ + if (messageEnd) + messageEnd--; + size_t result = AttachedTransformation()->ChannelPutModifiable2(channel, inString, length, messageEnd, blocking); + m_continueAt = result ? outputSite : 0; + return result; +} + +size_t Filter::Output(int outputSite, const byte *inString, size_t length, int messageEnd, bool blocking, const std::string &channel) +{ + if (messageEnd) + messageEnd--; + size_t result = AttachedTransformation()->ChannelPut2(channel, inString, length, messageEnd, blocking); + m_continueAt = result ? outputSite : 0; + return result; +} + +bool Filter::OutputFlush(int outputSite, bool hardFlush, int propagation, bool blocking, const std::string &channel) +{ + if (propagation && AttachedTransformation()->ChannelFlush(channel, hardFlush, propagation-1, blocking)) + { + m_continueAt = outputSite; + return true; + } + m_continueAt = 0; + return false; +} + +bool Filter::OutputMessageSeriesEnd(int outputSite, int propagation, bool blocking, const std::string &channel) +{ + if (propagation && AttachedTransformation()->ChannelMessageSeriesEnd(channel, propagation-1, blocking)) + { + m_continueAt = outputSite; + return true; + } + m_continueAt = 0; + return false; +} + +// ************************************************************* + +void MeterFilter::ResetMeter() +{ + m_currentMessageBytes = m_totalBytes = m_currentSeriesMessages = m_totalMessages = m_totalMessageSeries = 0; + m_rangesToSkip.clear(); +} + +void MeterFilter::AddRangeToSkip(unsigned int message, lword position, lword size, bool sortNow) +{ + MessageRange r = {message, position, size}; + m_rangesToSkip.push_back(r); + if (sortNow) + std::sort(m_rangesToSkip.begin(), m_rangesToSkip.end()); +} + +size_t MeterFilter::PutMaybeModifiable(byte *begin, size_t length, int messageEnd, bool blocking, bool modifiable) +{ + if (!m_transparent) + return 0; + + size_t t; + FILTER_BEGIN; + + m_begin = begin; + m_length = length; + + while (m_length > 0 || messageEnd) + { + if (m_length > 0 && !m_rangesToSkip.empty() && m_rangesToSkip.front().message == m_totalMessages && m_currentMessageBytes + m_length > m_rangesToSkip.front().position) + { + FILTER_OUTPUT_MAYBE_MODIFIABLE(1, m_begin, t = (size_t)SaturatingSubtract(m_rangesToSkip.front().position, m_currentMessageBytes), false, modifiable); + + assert(t < m_length); + m_begin += t; + m_length -= t; + m_currentMessageBytes += t; + m_totalBytes += t; + + if (m_currentMessageBytes + m_length < m_rangesToSkip.front().position + m_rangesToSkip.front().size) + t = m_length; + else + { + t = (size_t)SaturatingSubtract(m_rangesToSkip.front().position + m_rangesToSkip.front().size, m_currentMessageBytes); + assert(t <= m_length); + m_rangesToSkip.pop_front(); + } + + m_begin += t; + m_length -= t; + m_currentMessageBytes += t; + m_totalBytes += t; + } + else + { + FILTER_OUTPUT_MAYBE_MODIFIABLE(2, m_begin, m_length, messageEnd, modifiable); + + m_currentMessageBytes += m_length; + m_totalBytes += m_length; + m_length = 0; + + if (messageEnd) + { + m_currentMessageBytes = 0; + m_currentSeriesMessages++; + m_totalMessages++; + messageEnd = false; + } + } + } + + FILTER_END_NO_MESSAGE_END; +} + +size_t MeterFilter::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + return PutMaybeModifiable(const_cast<byte *>(begin), length, messageEnd, blocking, false); +} + +size_t MeterFilter::PutModifiable2(byte *begin, size_t length, int messageEnd, bool blocking) +{ + return PutMaybeModifiable(begin, length, messageEnd, blocking, true); +} + +bool MeterFilter::IsolatedMessageSeriesEnd(bool blocking) +{ + m_currentMessageBytes = 0; + m_currentSeriesMessages = 0; + m_totalMessageSeries++; + return false; +} + +// ************************************************************* + +void FilterWithBufferedInput::BlockQueue::ResetQueue(size_t blockSize, size_t maxBlocks) +{ + m_buffer.New(blockSize * maxBlocks); + m_blockSize = blockSize; + m_maxBlocks = maxBlocks; + m_size = 0; + m_begin = m_buffer; +} + +byte *FilterWithBufferedInput::BlockQueue::GetBlock() +{ + if (m_size >= m_blockSize) + { + byte *ptr = m_begin; + if ((m_begin+=m_blockSize) == m_buffer.end()) + m_begin = m_buffer; + m_size -= m_blockSize; + return ptr; + } + else + return NULL; +} + +byte *FilterWithBufferedInput::BlockQueue::GetContigousBlocks(size_t &numberOfBytes) +{ + numberOfBytes = STDMIN(numberOfBytes, STDMIN(size_t(m_buffer.end()-m_begin), m_size)); + byte *ptr = m_begin; + m_begin += numberOfBytes; + m_size -= numberOfBytes; + if (m_size == 0 || m_begin == m_buffer.end()) + m_begin = m_buffer; + return ptr; +} + +size_t FilterWithBufferedInput::BlockQueue::GetAll(byte *outString) +{ + size_t size = m_size; + size_t numberOfBytes = m_maxBlocks*m_blockSize; + const byte *ptr = GetContigousBlocks(numberOfBytes); + memcpy(outString, ptr, numberOfBytes); + memcpy(outString+numberOfBytes, m_begin, m_size); + m_size = 0; + return size; +} + +void FilterWithBufferedInput::BlockQueue::Put(const byte *inString, size_t length) +{ + assert(m_size + length <= m_buffer.size()); + byte *end = (m_size < size_t(m_buffer.end()-m_begin)) ? m_begin + m_size : m_begin + m_size - m_buffer.size(); + size_t len = STDMIN(length, size_t(m_buffer.end()-end)); + memcpy(end, inString, len); + if (len < length) + memcpy(m_buffer, inString+len, length-len); + m_size += length; +} + +FilterWithBufferedInput::FilterWithBufferedInput(BufferedTransformation *attachment) + : Filter(attachment) +{ +} + +FilterWithBufferedInput::FilterWithBufferedInput(size_t firstSize, size_t blockSize, size_t lastSize, BufferedTransformation *attachment) + : Filter(attachment), m_firstSize(firstSize), m_blockSize(blockSize), m_lastSize(lastSize) + , m_firstInputDone(false) +{ + if (m_firstSize < 0 || m_blockSize < 1 || m_lastSize < 0) + throw InvalidArgument("FilterWithBufferedInput: invalid buffer size"); + + m_queue.ResetQueue(1, m_firstSize); +} + +void FilterWithBufferedInput::IsolatedInitialize(const NameValuePairs ¶meters) +{ + InitializeDerivedAndReturnNewSizes(parameters, m_firstSize, m_blockSize, m_lastSize); + if (m_firstSize < 0 || m_blockSize < 1 || m_lastSize < 0) + throw InvalidArgument("FilterWithBufferedInput: invalid buffer size"); + m_queue.ResetQueue(1, m_firstSize); + m_firstInputDone = false; +} + +bool FilterWithBufferedInput::IsolatedFlush(bool hardFlush, bool blocking) +{ + if (!blocking) + throw BlockingInputOnly("FilterWithBufferedInput"); + + if (hardFlush) + ForceNextPut(); + FlushDerived(); + + return false; +} + +size_t FilterWithBufferedInput::PutMaybeModifiable(byte *inString, size_t length, int messageEnd, bool blocking, bool modifiable) +{ + if (!blocking) + throw BlockingInputOnly("FilterWithBufferedInput"); + + if (length != 0) + { + size_t newLength = m_queue.CurrentSize() + length; + + if (!m_firstInputDone && newLength >= m_firstSize) + { + size_t len = m_firstSize - m_queue.CurrentSize(); + m_queue.Put(inString, len); + FirstPut(m_queue.GetContigousBlocks(m_firstSize)); + assert(m_queue.CurrentSize() == 0); + m_queue.ResetQueue(m_blockSize, (2*m_blockSize+m_lastSize-2)/m_blockSize); + + inString += len; + newLength -= m_firstSize; + m_firstInputDone = true; + } + + if (m_firstInputDone) + { + if (m_blockSize == 1) + { + while (newLength > m_lastSize && m_queue.CurrentSize() > 0) + { + size_t len = newLength - m_lastSize; + byte *ptr = m_queue.GetContigousBlocks(len); + NextPutModifiable(ptr, len); + newLength -= len; + } + + if (newLength > m_lastSize) + { + size_t len = newLength - m_lastSize; + NextPutMaybeModifiable(inString, len, modifiable); + inString += len; + newLength -= len; + } + } + else + { + while (newLength >= m_blockSize + m_lastSize && m_queue.CurrentSize() >= m_blockSize) + { + NextPutModifiable(m_queue.GetBlock(), m_blockSize); + newLength -= m_blockSize; + } + + if (newLength >= m_blockSize + m_lastSize && m_queue.CurrentSize() > 0) + { + assert(m_queue.CurrentSize() < m_blockSize); + size_t len = m_blockSize - m_queue.CurrentSize(); + m_queue.Put(inString, len); + inString += len; + NextPutModifiable(m_queue.GetBlock(), m_blockSize); + newLength -= m_blockSize; + } + + if (newLength >= m_blockSize + m_lastSize) + { + size_t len = RoundDownToMultipleOf(newLength - m_lastSize, m_blockSize); + NextPutMaybeModifiable(inString, len, modifiable); + inString += len; + newLength -= len; + } + } + } + + m_queue.Put(inString, newLength - m_queue.CurrentSize()); + } + + if (messageEnd) + { + if (!m_firstInputDone && m_firstSize==0) + FirstPut(NULL); + + SecByteBlock temp(m_queue.CurrentSize()); + m_queue.GetAll(temp); + LastPut(temp, temp.size()); + + m_firstInputDone = false; + m_queue.ResetQueue(1, m_firstSize); + + Output(1, NULL, 0, messageEnd, blocking); + } + return 0; +} + +void FilterWithBufferedInput::ForceNextPut() +{ + if (!m_firstInputDone) + return; + + if (m_blockSize > 1) + { + while (m_queue.CurrentSize() >= m_blockSize) + NextPutModifiable(m_queue.GetBlock(), m_blockSize); + } + else + { + size_t len; + while ((len = m_queue.CurrentSize()) > 0) + NextPutModifiable(m_queue.GetContigousBlocks(len), len); + } +} + +void FilterWithBufferedInput::NextPutMultiple(const byte *inString, size_t length) +{ + assert(m_blockSize > 1); // m_blockSize = 1 should always override this function + while (length > 0) + { + assert(length >= m_blockSize); + NextPutSingle(inString); + inString += m_blockSize; + length -= m_blockSize; + } +} + +// ************************************************************* + +void Redirector::Initialize(const NameValuePairs ¶meters, int propagation) +{ + m_target = parameters.GetValueWithDefault("RedirectionTargetPointer", (BufferedTransformation*)NULL); + m_behavior = parameters.GetIntValueWithDefault("RedirectionBehavior", PASS_EVERYTHING); + + if (m_target && GetPassSignals()) + m_target->Initialize(parameters, propagation); +} + +// ************************************************************* + +ProxyFilter::ProxyFilter(BufferedTransformation *filter, size_t firstSize, size_t lastSize, BufferedTransformation *attachment) + : FilterWithBufferedInput(firstSize, 1, lastSize, attachment), m_filter(filter) +{ + if (m_filter.get()) + m_filter->Attach(new OutputProxy(*this, false)); +} + +bool ProxyFilter::IsolatedFlush(bool hardFlush, bool blocking) +{ + return m_filter.get() ? m_filter->Flush(hardFlush, -1, blocking) : false; +} + +void ProxyFilter::SetFilter(Filter *filter) +{ + m_filter.reset(filter); + if (filter) + { + OutputProxy *proxy; + std::auto_ptr<OutputProxy> temp(proxy = new OutputProxy(*this, false)); + m_filter->TransferAllTo(*proxy); + m_filter->Attach(temp.release()); + } +} + +void ProxyFilter::NextPutMultiple(const byte *s, size_t len) +{ + if (m_filter.get()) + m_filter->Put(s, len); +} + +void ProxyFilter::NextPutModifiable(byte *s, size_t len) +{ + if (m_filter.get()) + m_filter->PutModifiable(s, len); +} + +// ************************************************************* + +void RandomNumberSink::IsolatedInitialize(const NameValuePairs ¶meters) +{ + parameters.GetRequiredParameter("RandomNumberSink", "RandomNumberGeneratorPointer", m_rng); +} + +size_t RandomNumberSink::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + m_rng->IncorporateEntropy(begin, length); + return 0; +} + +size_t ArraySink::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (m_buf+m_total != begin) + memcpy(m_buf+m_total, begin, STDMIN(length, SaturatingSubtract(m_size, m_total))); + m_total += length; + return 0; +} + +byte * ArraySink::CreatePutSpace(size_t &size) +{ + size = SaturatingSubtract(m_size, m_total); + return m_buf + m_total; +} + +void ArraySink::IsolatedInitialize(const NameValuePairs ¶meters) +{ + ByteArrayParameter array; + if (!parameters.GetValue(Name::OutputBuffer(), array)) + throw InvalidArgument("ArraySink: missing OutputBuffer argument"); + m_buf = array.begin(); + m_size = array.size(); + m_total = 0; +} + +size_t ArrayXorSink::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + xorbuf(m_buf+m_total, begin, STDMIN(length, SaturatingSubtract(m_size, m_total))); + m_total += length; + return 0; +} + +// ************************************************************* + +StreamTransformationFilter::StreamTransformationFilter(StreamTransformation &c, BufferedTransformation *attachment, BlockPaddingScheme padding, bool allowAuthenticatedSymmetricCipher) + : FilterWithBufferedInput(attachment) + , m_cipher(c) +{ + assert(c.MinLastBlockSize() == 0 || c.MinLastBlockSize() > c.MandatoryBlockSize()); + + if (!allowAuthenticatedSymmetricCipher && dynamic_cast<AuthenticatedSymmetricCipher *>(&c) != 0) + throw InvalidArgument("StreamTransformationFilter: please use AuthenticatedEncryptionFilter and AuthenticatedDecryptionFilter for AuthenticatedSymmetricCipher"); + + IsolatedInitialize(MakeParameters(Name::BlockPaddingScheme(), padding)); +} + +size_t StreamTransformationFilter::LastBlockSize(StreamTransformation &c, BlockPaddingScheme padding) +{ + if (c.MinLastBlockSize() > 0) + return c.MinLastBlockSize(); + else if (c.MandatoryBlockSize() > 1 && !c.IsForwardTransformation() && padding != NO_PADDING && padding != ZEROS_PADDING) + return c.MandatoryBlockSize(); + else + return 0; +} + +void StreamTransformationFilter::InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize) +{ + BlockPaddingScheme padding = parameters.GetValueWithDefault(Name::BlockPaddingScheme(), DEFAULT_PADDING); + bool isBlockCipher = (m_cipher.MandatoryBlockSize() > 1 && m_cipher.MinLastBlockSize() == 0); + + if (padding == DEFAULT_PADDING) + m_padding = isBlockCipher ? PKCS_PADDING : NO_PADDING; + else + m_padding = padding; + + if (!isBlockCipher && (m_padding == PKCS_PADDING || m_padding == ONE_AND_ZEROS_PADDING)) + throw InvalidArgument("StreamTransformationFilter: PKCS_PADDING and ONE_AND_ZEROS_PADDING cannot be used with " + m_cipher.AlgorithmName()); + + firstSize = 0; + blockSize = m_cipher.MandatoryBlockSize(); + lastSize = LastBlockSize(m_cipher, m_padding); +} + +void StreamTransformationFilter::FirstPut(const byte *inString) +{ + m_optimalBufferSize = m_cipher.OptimalBlockSize(); + m_optimalBufferSize = (unsigned int)STDMAX(m_optimalBufferSize, RoundDownToMultipleOf(4096U, m_optimalBufferSize)); +} + +void StreamTransformationFilter::NextPutMultiple(const byte *inString, size_t length) +{ + if (!length) + return; + + size_t s = m_cipher.MandatoryBlockSize(); + + do + { + size_t len = m_optimalBufferSize; + byte *space = HelpCreatePutSpace(*AttachedTransformation(), DEFAULT_CHANNEL, s, length, len); + if (len < length) + { + if (len == m_optimalBufferSize) + len -= m_cipher.GetOptimalBlockSizeUsed(); + len = RoundDownToMultipleOf(len, s); + } + else + len = length; + m_cipher.ProcessString(space, inString, len); + AttachedTransformation()->PutModifiable(space, len); + inString += len; + length -= len; + } + while (length > 0); +} + +void StreamTransformationFilter::NextPutModifiable(byte *inString, size_t length) +{ + m_cipher.ProcessString(inString, length); + AttachedTransformation()->PutModifiable(inString, length); +} + +void StreamTransformationFilter::LastPut(const byte *inString, size_t length) +{ + byte *space = NULL; + + switch (m_padding) + { + case NO_PADDING: + case ZEROS_PADDING: + if (length > 0) + { + size_t minLastBlockSize = m_cipher.MinLastBlockSize(); + bool isForwardTransformation = m_cipher.IsForwardTransformation(); + + if (isForwardTransformation && m_padding == ZEROS_PADDING && (minLastBlockSize == 0 || length < minLastBlockSize)) + { + // do padding + size_t blockSize = STDMAX(minLastBlockSize, (size_t)m_cipher.MandatoryBlockSize()); + space = HelpCreatePutSpace(*AttachedTransformation(), DEFAULT_CHANNEL, blockSize); + memcpy(space, inString, length); + memset(space + length, 0, blockSize - length); + m_cipher.ProcessLastBlock(space, space, blockSize); + AttachedTransformation()->Put(space, blockSize); + } + else + { + if (minLastBlockSize == 0) + { + if (isForwardTransformation) + throw InvalidDataFormat("StreamTransformationFilter: plaintext length is not a multiple of block size and NO_PADDING is specified"); + else + throw InvalidCiphertext("StreamTransformationFilter: ciphertext length is not a multiple of block size"); + } + + space = HelpCreatePutSpace(*AttachedTransformation(), DEFAULT_CHANNEL, length, m_optimalBufferSize); + m_cipher.ProcessLastBlock(space, inString, length); + AttachedTransformation()->Put(space, length); + } + } + break; + + case PKCS_PADDING: + case ONE_AND_ZEROS_PADDING: + unsigned int s; + s = m_cipher.MandatoryBlockSize(); + assert(s > 1); + space = HelpCreatePutSpace(*AttachedTransformation(), DEFAULT_CHANNEL, s, m_optimalBufferSize); + if (m_cipher.IsForwardTransformation()) + { + assert(length < s); + memcpy(space, inString, length); + if (m_padding == PKCS_PADDING) + { + assert(s < 256); + byte pad = byte(s-length); + memset(space+length, pad, s-length); + } + else + { + space[length] = 0x80; + memset(space+length+1, 0, s-length-1); + } + m_cipher.ProcessData(space, space, s); + AttachedTransformation()->Put(space, s); + } + else + { + if (length != s) + throw InvalidCiphertext("StreamTransformationFilter: ciphertext length is not a multiple of block size"); + m_cipher.ProcessData(space, inString, s); + if (m_padding == PKCS_PADDING) + { + byte pad = space[s-1]; + if (pad < 1 || pad > s || std::find_if(space+s-pad, space+s, std::bind2nd(std::not_equal_to<byte>(), pad)) != space+s) + throw InvalidCiphertext("StreamTransformationFilter: invalid PKCS #7 block padding found"); + length = s-pad; + } + else + { + while (length > 1 && space[length-1] == 0) + --length; + if (space[--length] != 0x80) + throw InvalidCiphertext("StreamTransformationFilter: invalid ones-and-zeros padding found"); + } + AttachedTransformation()->Put(space, length); + } + break; + + default: + assert(false); + } +} + +// ************************************************************* + +HashFilter::HashFilter(HashTransformation &hm, BufferedTransformation *attachment, bool putMessage, int truncatedDigestSize, const std::string &messagePutChannel, const std::string &hashPutChannel) + : m_hashModule(hm), m_putMessage(putMessage), m_messagePutChannel(messagePutChannel), m_hashPutChannel(hashPutChannel) +{ + m_digestSize = truncatedDigestSize < 0 ? m_hashModule.DigestSize() : truncatedDigestSize; + Detach(attachment); +} + +void HashFilter::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_putMessage = parameters.GetValueWithDefault(Name::PutMessage(), false); + int s = parameters.GetIntValueWithDefault(Name::TruncatedDigestSize(), -1); + m_digestSize = s < 0 ? m_hashModule.DigestSize() : s; +} + +size_t HashFilter::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + FILTER_BEGIN; + if (m_putMessage) + FILTER_OUTPUT3(1, 0, inString, length, 0, m_messagePutChannel); + m_hashModule.Update(inString, length); + if (messageEnd) + { + { + size_t size; + m_space = HelpCreatePutSpace(*AttachedTransformation(), m_hashPutChannel, m_digestSize, m_digestSize, size = m_digestSize); + m_hashModule.TruncatedFinal(m_space, m_digestSize); + } + FILTER_OUTPUT3(2, 0, m_space, m_digestSize, messageEnd, m_hashPutChannel); + } + FILTER_END_NO_MESSAGE_END; +} + +// ************************************************************* + +HashVerificationFilter::HashVerificationFilter(HashTransformation &hm, BufferedTransformation *attachment, word32 flags, int truncatedDigestSize) + : FilterWithBufferedInput(attachment) + , m_hashModule(hm) +{ + IsolatedInitialize(MakeParameters(Name::HashVerificationFilterFlags(), flags)(Name::TruncatedDigestSize(), truncatedDigestSize)); +} + +void HashVerificationFilter::InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize) +{ + m_flags = parameters.GetValueWithDefault(Name::HashVerificationFilterFlags(), (word32)DEFAULT_FLAGS); + int s = parameters.GetIntValueWithDefault(Name::TruncatedDigestSize(), -1); + m_digestSize = s < 0 ? m_hashModule.DigestSize() : s; + m_verified = false; + firstSize = m_flags & HASH_AT_BEGIN ? m_digestSize : 0; + blockSize = 1; + lastSize = m_flags & HASH_AT_BEGIN ? 0 : m_digestSize; +} + +void HashVerificationFilter::FirstPut(const byte *inString) +{ + if (m_flags & HASH_AT_BEGIN) + { + m_expectedHash.New(m_digestSize); + memcpy(m_expectedHash, inString, m_expectedHash.size()); + if (m_flags & PUT_HASH) + AttachedTransformation()->Put(inString, m_expectedHash.size()); + } +} + +void HashVerificationFilter::NextPutMultiple(const byte *inString, size_t length) +{ + m_hashModule.Update(inString, length); + if (m_flags & PUT_MESSAGE) + AttachedTransformation()->Put(inString, length); +} + +void HashVerificationFilter::LastPut(const byte *inString, size_t length) +{ + if (m_flags & HASH_AT_BEGIN) + { + assert(length == 0); + m_verified = m_hashModule.TruncatedVerify(m_expectedHash, m_digestSize); + } + else + { + m_verified = (length==m_digestSize && m_hashModule.TruncatedVerify(inString, length)); + if (m_flags & PUT_HASH) + AttachedTransformation()->Put(inString, length); + } + + if (m_flags & PUT_RESULT) + AttachedTransformation()->Put(m_verified); + + if ((m_flags & THROW_EXCEPTION) && !m_verified) + throw HashVerificationFailed(); +} + +// ************************************************************* + +AuthenticatedEncryptionFilter::AuthenticatedEncryptionFilter(AuthenticatedSymmetricCipher &c, BufferedTransformation *attachment, + bool putAAD, int truncatedDigestSize, const std::string &macChannel, BlockPaddingScheme padding) + : StreamTransformationFilter(c, attachment, padding, true) + , m_hf(c, new OutputProxy(*this, false), putAAD, truncatedDigestSize, AAD_CHANNEL, macChannel) +{ + assert(c.IsForwardTransformation()); +} + +void AuthenticatedEncryptionFilter::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_hf.IsolatedInitialize(parameters); + StreamTransformationFilter::IsolatedInitialize(parameters); +} + +byte * AuthenticatedEncryptionFilter::ChannelCreatePutSpace(const std::string &channel, size_t &size) +{ + if (channel.empty()) + return StreamTransformationFilter::CreatePutSpace(size); + + if (channel == AAD_CHANNEL) + return m_hf.CreatePutSpace(size); + + throw InvalidChannelName("AuthenticatedEncryptionFilter", channel); +} + +size_t AuthenticatedEncryptionFilter::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (channel.empty()) + return StreamTransformationFilter::Put2(begin, length, messageEnd, blocking); + + if (channel == AAD_CHANNEL) + return m_hf.Put2(begin, length, 0, blocking); + + throw InvalidChannelName("AuthenticatedEncryptionFilter", channel); +} + +void AuthenticatedEncryptionFilter::LastPut(const byte *inString, size_t length) +{ + StreamTransformationFilter::LastPut(inString, length); + m_hf.MessageEnd(); +} + +// ************************************************************* + +AuthenticatedDecryptionFilter::AuthenticatedDecryptionFilter(AuthenticatedSymmetricCipher &c, BufferedTransformation *attachment, word32 flags, int truncatedDigestSize, BlockPaddingScheme padding) + : FilterWithBufferedInput(attachment) + , m_hashVerifier(c, new OutputProxy(*this, false)) + , m_streamFilter(c, new OutputProxy(*this, false), padding, true) +{ + assert(!c.IsForwardTransformation() || c.IsSelfInverting()); + IsolatedInitialize(MakeParameters(Name::BlockPaddingScheme(), padding)(Name::AuthenticatedDecryptionFilterFlags(), flags)(Name::TruncatedDigestSize(), truncatedDigestSize)); +} + +void AuthenticatedDecryptionFilter::InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize) +{ + word32 flags = parameters.GetValueWithDefault(Name::AuthenticatedDecryptionFilterFlags(), (word32)DEFAULT_FLAGS); + + m_hashVerifier.Initialize(CombinedNameValuePairs(parameters, MakeParameters(Name::HashVerificationFilterFlags(), flags))); + m_streamFilter.Initialize(parameters); + + firstSize = m_hashVerifier.m_firstSize; + blockSize = 1; + lastSize = m_hashVerifier.m_lastSize; +} + +byte * AuthenticatedDecryptionFilter::ChannelCreatePutSpace(const std::string &channel, size_t &size) +{ + if (channel.empty()) + return m_streamFilter.CreatePutSpace(size); + + if (channel == AAD_CHANNEL) + return m_hashVerifier.CreatePutSpace(size); + + throw InvalidChannelName("AuthenticatedDecryptionFilter", channel); +} + +size_t AuthenticatedDecryptionFilter::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (channel.empty()) + { + if (m_lastSize > 0) + m_hashVerifier.ForceNextPut(); + return FilterWithBufferedInput::Put2(begin, length, messageEnd, blocking); + } + + if (channel == AAD_CHANNEL) + return m_hashVerifier.Put2(begin, length, 0, blocking); + + throw InvalidChannelName("AuthenticatedDecryptionFilter", channel); +} + +void AuthenticatedDecryptionFilter::FirstPut(const byte *inString) +{ + m_hashVerifier.Put(inString, m_firstSize); +} + +void AuthenticatedDecryptionFilter::NextPutMultiple(const byte *inString, size_t length) +{ + m_streamFilter.Put(inString, length); +} + +void AuthenticatedDecryptionFilter::LastPut(const byte *inString, size_t length) +{ + m_streamFilter.MessageEnd(); + m_hashVerifier.PutMessageEnd(inString, length); +} + +// ************************************************************* + +void SignerFilter::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_putMessage = parameters.GetValueWithDefault(Name::PutMessage(), false); + m_messageAccumulator.reset(m_signer.NewSignatureAccumulator(m_rng)); +} + +size_t SignerFilter::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + FILTER_BEGIN; + m_messageAccumulator->Update(inString, length); + if (m_putMessage) + FILTER_OUTPUT(1, inString, length, 0); + if (messageEnd) + { + m_buf.New(m_signer.SignatureLength()); + m_signer.Sign(m_rng, m_messageAccumulator.release(), m_buf); + FILTER_OUTPUT(2, m_buf, m_buf.size(), messageEnd); + m_messageAccumulator.reset(m_signer.NewSignatureAccumulator(m_rng)); + } + FILTER_END_NO_MESSAGE_END; +} + +SignatureVerificationFilter::SignatureVerificationFilter(const PK_Verifier &verifier, BufferedTransformation *attachment, word32 flags) + : FilterWithBufferedInput(attachment) + , m_verifier(verifier) +{ + IsolatedInitialize(MakeParameters(Name::SignatureVerificationFilterFlags(), flags)); +} + +void SignatureVerificationFilter::InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize) +{ + m_flags = parameters.GetValueWithDefault(Name::SignatureVerificationFilterFlags(), (word32)DEFAULT_FLAGS); + m_messageAccumulator.reset(m_verifier.NewVerificationAccumulator()); + size_t size = m_verifier.SignatureLength(); + assert(size != 0); // TODO: handle recoverable signature scheme + m_verified = false; + firstSize = m_flags & SIGNATURE_AT_BEGIN ? size : 0; + blockSize = 1; + lastSize = m_flags & SIGNATURE_AT_BEGIN ? 0 : size; +} + +void SignatureVerificationFilter::FirstPut(const byte *inString) +{ + if (m_flags & SIGNATURE_AT_BEGIN) + { + if (m_verifier.SignatureUpfront()) + m_verifier.InputSignature(*m_messageAccumulator, inString, m_verifier.SignatureLength()); + else + { + m_signature.New(m_verifier.SignatureLength()); + memcpy(m_signature, inString, m_signature.size()); + } + + if (m_flags & PUT_SIGNATURE) + AttachedTransformation()->Put(inString, m_signature.size()); + } + else + { + assert(!m_verifier.SignatureUpfront()); + } +} + +void SignatureVerificationFilter::NextPutMultiple(const byte *inString, size_t length) +{ + m_messageAccumulator->Update(inString, length); + if (m_flags & PUT_MESSAGE) + AttachedTransformation()->Put(inString, length); +} + +void SignatureVerificationFilter::LastPut(const byte *inString, size_t length) +{ + if (m_flags & SIGNATURE_AT_BEGIN) + { + assert(length == 0); + m_verifier.InputSignature(*m_messageAccumulator, m_signature, m_signature.size()); + m_verified = m_verifier.VerifyAndRestart(*m_messageAccumulator); + } + else + { + m_verifier.InputSignature(*m_messageAccumulator, inString, length); + m_verified = m_verifier.VerifyAndRestart(*m_messageAccumulator); + if (m_flags & PUT_SIGNATURE) + AttachedTransformation()->Put(inString, length); + } + + if (m_flags & PUT_RESULT) + AttachedTransformation()->Put(m_verified); + + if ((m_flags & THROW_EXCEPTION) && !m_verified) + throw SignatureVerificationFailed(); +} + +// ************************************************************* + +size_t Source::PumpAll2(bool blocking) +{ + unsigned int messageCount = UINT_MAX; + do { + RETURN_IF_NONZERO(PumpMessages2(messageCount, blocking)); + } while(messageCount == UINT_MAX); + + return 0; +} + +bool Store::GetNextMessage() +{ + if (!m_messageEnd && !AnyRetrievable()) + { + m_messageEnd=true; + return true; + } + else + return false; +} + +unsigned int Store::CopyMessagesTo(BufferedTransformation &target, unsigned int count, const std::string &channel) const +{ + if (m_messageEnd || count == 0) + return 0; + else + { + CopyTo(target, ULONG_MAX, channel); + if (GetAutoSignalPropagation()) + target.ChannelMessageEnd(channel, GetAutoSignalPropagation()-1); + return 1; + } +} + +void StringStore::StoreInitialize(const NameValuePairs ¶meters) +{ + ConstByteArrayParameter array; + if (!parameters.GetValue(Name::InputBuffer(), array)) + throw InvalidArgument("StringStore: missing InputBuffer argument"); + m_store = array.begin(); + m_length = array.size(); + m_count = 0; +} + +size_t StringStore::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + lword position = 0; + size_t blockedBytes = CopyRangeTo2(target, position, transferBytes, channel, blocking); + m_count += (size_t)position; + transferBytes = position; + return blockedBytes; +} + +size_t StringStore::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + size_t i = UnsignedMin(m_length, m_count+begin); + size_t len = UnsignedMin(m_length-i, end-begin); + size_t blockedBytes = target.ChannelPut2(channel, m_store+i, len, 0, blocking); + if (!blockedBytes) + begin += len; + return blockedBytes; +} + +void RandomNumberStore::StoreInitialize(const NameValuePairs ¶meters) +{ + parameters.GetRequiredParameter("RandomNumberStore", "RandomNumberGeneratorPointer", m_rng); + int length; + parameters.GetRequiredIntParameter("RandomNumberStore", "RandomNumberStoreSize", length); + m_length = length; +} + +size_t RandomNumberStore::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + if (!blocking) + throw NotImplemented("RandomNumberStore: nonblocking transfer is not implemented by this object"); + + transferBytes = UnsignedMin(transferBytes, m_length - m_count); + m_rng->GenerateIntoBufferedTransformation(target, channel, transferBytes); + m_count += transferBytes; + + return 0; +} + +size_t NullStore::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + static const byte nullBytes[128] = {0}; + while (begin < end) + { + size_t len = (size_t)STDMIN(end-begin, lword(128)); + size_t blockedBytes = target.ChannelPut2(channel, nullBytes, len, 0, blocking); + if (blockedBytes) + return blockedBytes; + begin += len; + } + return 0; +} + +size_t NullStore::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + lword begin = 0; + size_t blockedBytes = NullStore::CopyRangeTo2(target, begin, transferBytes, channel, blocking); + transferBytes = begin; + m_size -= begin; + return blockedBytes; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/filters.h b/CryptoPP/filters.h new file mode 100644 index 000000000..c72a4ece3 --- /dev/null +++ b/CryptoPP/filters.h @@ -0,0 +1,810 @@ +#ifndef CRYPTOPP_FILTERS_H +#define CRYPTOPP_FILTERS_H + +//! \file + +#include "simple.h" +#include "secblock.h" +#include "misc.h" +#include "smartptr.h" +#include "queue.h" +#include "algparam.h" +#include <deque> + +NAMESPACE_BEGIN(CryptoPP) + +/// provides an implementation of BufferedTransformation's attachment interface +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Filter : public BufferedTransformation, public NotCopyable +{ +public: + Filter(BufferedTransformation *attachment = NULL); + + bool Attachable() {return true;} + BufferedTransformation *AttachedTransformation(); + const BufferedTransformation *AttachedTransformation() const; + void Detach(BufferedTransformation *newAttachment = NULL); + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + + void Initialize(const NameValuePairs ¶meters=g_nullNameValuePairs, int propagation=-1); + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true); + bool MessageSeriesEnd(int propagation=-1, bool blocking=true); + +protected: + virtual BufferedTransformation * NewDefaultAttachment() const; + void Insert(Filter *nextFilter); // insert filter after this one + + virtual bool ShouldPropagateMessageEnd() const {return true;} + virtual bool ShouldPropagateMessageSeriesEnd() const {return true;} + + void PropagateInitialize(const NameValuePairs ¶meters, int propagation); + + size_t Output(int outputSite, const byte *inString, size_t length, int messageEnd, bool blocking, const std::string &channel=DEFAULT_CHANNEL); + size_t OutputModifiable(int outputSite, byte *inString, size_t length, int messageEnd, bool blocking, const std::string &channel=DEFAULT_CHANNEL); + bool OutputMessageEnd(int outputSite, int propagation, bool blocking, const std::string &channel=DEFAULT_CHANNEL); + bool OutputFlush(int outputSite, bool hardFlush, int propagation, bool blocking, const std::string &channel=DEFAULT_CHANNEL); + bool OutputMessageSeriesEnd(int outputSite, int propagation, bool blocking, const std::string &channel=DEFAULT_CHANNEL); + +private: + member_ptr<BufferedTransformation> m_attachment; + +protected: + size_t m_inputPosition; + int m_continueAt; +}; + +struct CRYPTOPP_DLL FilterPutSpaceHelper +{ + // desiredSize is how much to ask target, bufferSize is how much to allocate in m_tempSpace + byte *HelpCreatePutSpace(BufferedTransformation &target, const std::string &channel, size_t minSize, size_t desiredSize, size_t &bufferSize) + { + assert(desiredSize >= minSize && bufferSize >= minSize); + if (m_tempSpace.size() < minSize) + { + byte *result = target.ChannelCreatePutSpace(channel, desiredSize); + if (desiredSize >= minSize) + { + bufferSize = desiredSize; + return result; + } + m_tempSpace.New(bufferSize); + } + + bufferSize = m_tempSpace.size(); + return m_tempSpace.begin(); + } + byte *HelpCreatePutSpace(BufferedTransformation &target, const std::string &channel, size_t minSize) + {return HelpCreatePutSpace(target, channel, minSize, minSize, minSize);} + byte *HelpCreatePutSpace(BufferedTransformation &target, const std::string &channel, size_t minSize, size_t bufferSize) + {return HelpCreatePutSpace(target, channel, minSize, minSize, bufferSize);} + SecByteBlock m_tempSpace; +}; + +//! measure how many byte and messages pass through, also serves as valve +class CRYPTOPP_DLL MeterFilter : public Bufferless<Filter> +{ +public: + MeterFilter(BufferedTransformation *attachment=NULL, bool transparent=true) + : m_transparent(transparent) {Detach(attachment); ResetMeter();} + + void SetTransparent(bool transparent) {m_transparent = transparent;} + void AddRangeToSkip(unsigned int message, lword position, lword size, bool sortNow = true); + void ResetMeter(); + void IsolatedInitialize(const NameValuePairs ¶meters) {ResetMeter();} + + lword GetCurrentMessageBytes() const {return m_currentMessageBytes;} + lword GetTotalBytes() {return m_totalBytes;} + unsigned int GetCurrentSeriesMessages() {return m_currentSeriesMessages;} + unsigned int GetTotalMessages() {return m_totalMessages;} + unsigned int GetTotalMessageSeries() {return m_totalMessageSeries;} + + byte * CreatePutSpace(size_t &size) + {return AttachedTransformation()->CreatePutSpace(size);} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + size_t PutModifiable2(byte *inString, size_t length, int messageEnd, bool blocking); + bool IsolatedMessageSeriesEnd(bool blocking); + +private: + size_t PutMaybeModifiable(byte *inString, size_t length, int messageEnd, bool blocking, bool modifiable); + bool ShouldPropagateMessageEnd() const {return m_transparent;} + bool ShouldPropagateMessageSeriesEnd() const {return m_transparent;} + + struct MessageRange + { + inline bool operator<(const MessageRange &b) const // BCB2006 workaround: this has to be a member function + {return message < b.message || (message == b.message && position < b.position);} + unsigned int message; lword position; lword size; + }; + + bool m_transparent; + lword m_currentMessageBytes, m_totalBytes; + unsigned int m_currentSeriesMessages, m_totalMessages, m_totalMessageSeries; + std::deque<MessageRange> m_rangesToSkip; + byte *m_begin; + size_t m_length; +}; + +//! _ +class CRYPTOPP_DLL TransparentFilter : public MeterFilter +{ +public: + TransparentFilter(BufferedTransformation *attachment=NULL) : MeterFilter(attachment, true) {} +}; + +//! _ +class CRYPTOPP_DLL OpaqueFilter : public MeterFilter +{ +public: + OpaqueFilter(BufferedTransformation *attachment=NULL) : MeterFilter(attachment, false) {} +}; + +/*! FilterWithBufferedInput divides up the input stream into + a first block, a number of middle blocks, and a last block. + First and last blocks are optional, and middle blocks may + be a stream instead (i.e. blockSize == 1). +*/ +class CRYPTOPP_DLL FilterWithBufferedInput : public Filter +{ +public: + FilterWithBufferedInput(BufferedTransformation *attachment); + //! firstSize and lastSize may be 0, blockSize must be at least 1 + FilterWithBufferedInput(size_t firstSize, size_t blockSize, size_t lastSize, BufferedTransformation *attachment); + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) + { + return PutMaybeModifiable(const_cast<byte *>(inString), length, messageEnd, blocking, false); + } + size_t PutModifiable2(byte *inString, size_t length, int messageEnd, bool blocking) + { + return PutMaybeModifiable(inString, length, messageEnd, blocking, true); + } + /*! calls ForceNextPut() if hardFlush is true */ + bool IsolatedFlush(bool hardFlush, bool blocking); + + /*! The input buffer may contain more than blockSize bytes if lastSize != 0. + ForceNextPut() forces a call to NextPut() if this is the case. + */ + void ForceNextPut(); + +protected: + bool DidFirstPut() {return m_firstInputDone;} + + virtual void InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize) + {InitializeDerived(parameters);} + virtual void InitializeDerived(const NameValuePairs ¶meters) {} + // FirstPut() is called if (firstSize != 0 and totalLength >= firstSize) + // or (firstSize == 0 and (totalLength > 0 or a MessageEnd() is received)) + virtual void FirstPut(const byte *inString) =0; + // NextPut() is called if totalLength >= firstSize+blockSize+lastSize + virtual void NextPutSingle(const byte *inString) {assert(false);} + // Same as NextPut() except length can be a multiple of blockSize + // Either NextPut() or NextPutMultiple() must be overriden + virtual void NextPutMultiple(const byte *inString, size_t length); + // Same as NextPutMultiple(), but inString can be modified + virtual void NextPutModifiable(byte *inString, size_t length) + {NextPutMultiple(inString, length);} + // LastPut() is always called + // if totalLength < firstSize then length == totalLength + // else if totalLength <= firstSize+lastSize then length == totalLength-firstSize + // else lastSize <= length < lastSize+blockSize + virtual void LastPut(const byte *inString, size_t length) =0; + virtual void FlushDerived() {} + +protected: + size_t PutMaybeModifiable(byte *begin, size_t length, int messageEnd, bool blocking, bool modifiable); + void NextPutMaybeModifiable(byte *inString, size_t length, bool modifiable) + { + if (modifiable) NextPutModifiable(inString, length); + else NextPutMultiple(inString, length); + } + + // This function should no longer be used, put this here to cause a compiler error + // if someone tries to override NextPut(). + virtual int NextPut(const byte *inString, size_t length) {assert(false); return 0;} + + class BlockQueue + { + public: + void ResetQueue(size_t blockSize, size_t maxBlocks); + byte *GetBlock(); + byte *GetContigousBlocks(size_t &numberOfBytes); + size_t GetAll(byte *outString); + void Put(const byte *inString, size_t length); + size_t CurrentSize() const {return m_size;} + size_t MaxSize() const {return m_buffer.size();} + + private: + SecByteBlock m_buffer; + size_t m_blockSize, m_maxBlocks, m_size; + byte *m_begin; + }; + + size_t m_firstSize, m_blockSize, m_lastSize; + bool m_firstInputDone; + BlockQueue m_queue; +}; + +//! _ +class CRYPTOPP_DLL FilterWithInputQueue : public Filter +{ +public: + FilterWithInputQueue(BufferedTransformation *attachment=NULL) : Filter(attachment) {} + + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) + { + if (!blocking) + throw BlockingInputOnly("FilterWithInputQueue"); + + m_inQueue.Put(inString, length); + if (messageEnd) + { + IsolatedMessageEnd(blocking); + Output(0, NULL, 0, messageEnd, blocking); + } + return 0; + } + +protected: + virtual bool IsolatedMessageEnd(bool blocking) =0; + void IsolatedInitialize(const NameValuePairs ¶meters) {m_inQueue.Clear();} + + ByteQueue m_inQueue; +}; + +struct BlockPaddingSchemeDef +{ + enum BlockPaddingScheme {NO_PADDING, ZEROS_PADDING, PKCS_PADDING, ONE_AND_ZEROS_PADDING, DEFAULT_PADDING}; +}; + +//! Filter Wrapper for StreamTransformation, optionally handling padding/unpadding when needed +class CRYPTOPP_DLL StreamTransformationFilter : public FilterWithBufferedInput, public BlockPaddingSchemeDef, private FilterPutSpaceHelper +{ +public: + /*! DEFAULT_PADDING means PKCS_PADDING if c.MandatoryBlockSize() > 1 && c.MinLastBlockSize() == 0 (e.g. ECB or CBC mode), + otherwise NO_PADDING (OFB, CFB, CTR, CBC-CTS modes). + See http://www.weidai.com/scan-mirror/csp.html for details of the padding schemes. */ + StreamTransformationFilter(StreamTransformation &c, BufferedTransformation *attachment = NULL, BlockPaddingScheme padding = DEFAULT_PADDING, bool allowAuthenticatedSymmetricCipher = false); + + std::string AlgorithmName() const {return m_cipher.AlgorithmName();} + +protected: + void InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize); + void FirstPut(const byte *inString); + void NextPutMultiple(const byte *inString, size_t length); + void NextPutModifiable(byte *inString, size_t length); + void LastPut(const byte *inString, size_t length); + + static size_t LastBlockSize(StreamTransformation &c, BlockPaddingScheme padding); + + StreamTransformation &m_cipher; + BlockPaddingScheme m_padding; + unsigned int m_optimalBufferSize; +}; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY +typedef StreamTransformationFilter StreamCipherFilter; +#endif + +//! Filter Wrapper for HashTransformation +class CRYPTOPP_DLL HashFilter : public Bufferless<Filter>, private FilterPutSpaceHelper +{ +public: + HashFilter(HashTransformation &hm, BufferedTransformation *attachment = NULL, bool putMessage=false, int truncatedDigestSize=-1, const std::string &messagePutChannel=DEFAULT_CHANNEL, const std::string &hashPutChannel=DEFAULT_CHANNEL); + + std::string AlgorithmName() const {return m_hashModule.AlgorithmName();} + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + byte * CreatePutSpace(size_t &size) {return m_hashModule.CreateUpdateSpace(size);} + +private: + HashTransformation &m_hashModule; + bool m_putMessage; + unsigned int m_digestSize; + byte *m_space; + std::string m_messagePutChannel, m_hashPutChannel; +}; + +//! Filter Wrapper for HashTransformation +class CRYPTOPP_DLL HashVerificationFilter : public FilterWithBufferedInput +{ +public: + class HashVerificationFailed : public Exception + { + public: + HashVerificationFailed() + : Exception(DATA_INTEGRITY_CHECK_FAILED, "HashVerificationFilter: message hash or MAC not valid") {} + }; + + enum Flags {HASH_AT_END=0, HASH_AT_BEGIN=1, PUT_MESSAGE=2, PUT_HASH=4, PUT_RESULT=8, THROW_EXCEPTION=16, DEFAULT_FLAGS = HASH_AT_BEGIN | PUT_RESULT}; + HashVerificationFilter(HashTransformation &hm, BufferedTransformation *attachment = NULL, word32 flags = DEFAULT_FLAGS, int truncatedDigestSize=-1); + + std::string AlgorithmName() const {return m_hashModule.AlgorithmName();} + bool GetLastResult() const {return m_verified;} + +protected: + void InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize); + void FirstPut(const byte *inString); + void NextPutMultiple(const byte *inString, size_t length); + void LastPut(const byte *inString, size_t length); + +private: + friend class AuthenticatedDecryptionFilter; + + HashTransformation &m_hashModule; + word32 m_flags; + unsigned int m_digestSize; + bool m_verified; + SecByteBlock m_expectedHash; +}; + +typedef HashVerificationFilter HashVerifier; // for backwards compatibility + +//! Filter wrapper for encrypting with AuthenticatedSymmetricCipher, optionally handling padding/unpadding when needed +/*! Additional authenticated data should be given in channel "AAD". If putAAD is true, AAD will be Put() to the attached BufferedTransformation in channel "AAD". */ +class CRYPTOPP_DLL AuthenticatedEncryptionFilter : public StreamTransformationFilter +{ +public: + /*! See StreamTransformationFilter for documentation on BlockPaddingScheme */ + AuthenticatedEncryptionFilter(AuthenticatedSymmetricCipher &c, BufferedTransformation *attachment = NULL, bool putAAD=false, int truncatedDigestSize=-1, const std::string &macChannel=DEFAULT_CHANNEL, BlockPaddingScheme padding = DEFAULT_PADDING); + + void IsolatedInitialize(const NameValuePairs ¶meters); + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size); + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); + void LastPut(const byte *inString, size_t length); + +protected: + HashFilter m_hf; +}; + +//! Filter wrapper for decrypting with AuthenticatedSymmetricCipher, optionally handling padding/unpadding when needed +/*! Additional authenticated data should be given in channel "AAD". */ +class CRYPTOPP_DLL AuthenticatedDecryptionFilter : public FilterWithBufferedInput, public BlockPaddingSchemeDef +{ +public: + enum Flags {MAC_AT_END=0, MAC_AT_BEGIN=1, THROW_EXCEPTION=16, DEFAULT_FLAGS = THROW_EXCEPTION}; + + /*! See StreamTransformationFilter for documentation on BlockPaddingScheme */ + AuthenticatedDecryptionFilter(AuthenticatedSymmetricCipher &c, BufferedTransformation *attachment = NULL, word32 flags = DEFAULT_FLAGS, int truncatedDigestSize=-1, BlockPaddingScheme padding = DEFAULT_PADDING); + + std::string AlgorithmName() const {return m_hashVerifier.AlgorithmName();} + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size); + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); + bool GetLastResult() const {return m_hashVerifier.GetLastResult();} + +protected: + void InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize); + void FirstPut(const byte *inString); + void NextPutMultiple(const byte *inString, size_t length); + void LastPut(const byte *inString, size_t length); + + HashVerificationFilter m_hashVerifier; + StreamTransformationFilter m_streamFilter; +}; + +//! Filter Wrapper for PK_Signer +class CRYPTOPP_DLL SignerFilter : public Unflushable<Filter> +{ +public: + SignerFilter(RandomNumberGenerator &rng, const PK_Signer &signer, BufferedTransformation *attachment = NULL, bool putMessage=false) + : m_rng(rng), m_signer(signer), m_messageAccumulator(signer.NewSignatureAccumulator(rng)), m_putMessage(putMessage) {Detach(attachment);} + + std::string AlgorithmName() const {return m_signer.AlgorithmName();} + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + +private: + RandomNumberGenerator &m_rng; + const PK_Signer &m_signer; + member_ptr<PK_MessageAccumulator> m_messageAccumulator; + bool m_putMessage; + SecByteBlock m_buf; +}; + +//! Filter Wrapper for PK_Verifier +class CRYPTOPP_DLL SignatureVerificationFilter : public FilterWithBufferedInput +{ +public: + class SignatureVerificationFailed : public Exception + { + public: + SignatureVerificationFailed() + : Exception(DATA_INTEGRITY_CHECK_FAILED, "VerifierFilter: digital signature not valid") {} + }; + + enum Flags {SIGNATURE_AT_END=0, SIGNATURE_AT_BEGIN=1, PUT_MESSAGE=2, PUT_SIGNATURE=4, PUT_RESULT=8, THROW_EXCEPTION=16, DEFAULT_FLAGS = SIGNATURE_AT_BEGIN | PUT_RESULT}; + SignatureVerificationFilter(const PK_Verifier &verifier, BufferedTransformation *attachment = NULL, word32 flags = DEFAULT_FLAGS); + + std::string AlgorithmName() const {return m_verifier.AlgorithmName();} + + bool GetLastResult() const {return m_verified;} + +protected: + void InitializeDerivedAndReturnNewSizes(const NameValuePairs ¶meters, size_t &firstSize, size_t &blockSize, size_t &lastSize); + void FirstPut(const byte *inString); + void NextPutMultiple(const byte *inString, size_t length); + void LastPut(const byte *inString, size_t length); + +private: + const PK_Verifier &m_verifier; + member_ptr<PK_MessageAccumulator> m_messageAccumulator; + word32 m_flags; + SecByteBlock m_signature; + bool m_verified; +}; + +typedef SignatureVerificationFilter VerifierFilter; // for backwards compatibility + +//! Redirect input to another BufferedTransformation without owning it +class CRYPTOPP_DLL Redirector : public CustomSignalPropagation<Sink> +{ +public: + enum Behavior + { + DATA_ONLY = 0x00, + PASS_SIGNALS = 0x01, + PASS_WAIT_OBJECTS = 0x02, + PASS_EVERYTHING = PASS_SIGNALS | PASS_WAIT_OBJECTS + }; + + Redirector() : m_target(NULL), m_behavior(PASS_EVERYTHING) {} + Redirector(BufferedTransformation &target, Behavior behavior=PASS_EVERYTHING) + : m_target(&target), m_behavior(behavior) {} + + void Redirect(BufferedTransformation &target) {m_target = ⌖} + void StopRedirection() {m_target = NULL;} + + Behavior GetBehavior() {return (Behavior) m_behavior;} + void SetBehavior(Behavior behavior) {m_behavior=behavior;} + bool GetPassSignals() const {return (m_behavior & PASS_SIGNALS) != 0;} + void SetPassSignals(bool pass) { if (pass) m_behavior |= PASS_SIGNALS; else m_behavior &= ~(word32) PASS_SIGNALS; } + bool GetPassWaitObjects() const {return (m_behavior & PASS_WAIT_OBJECTS) != 0;} + void SetPassWaitObjects(bool pass) { if (pass) m_behavior |= PASS_WAIT_OBJECTS; else m_behavior &= ~(word32) PASS_WAIT_OBJECTS; } + + bool CanModifyInput() const + {return m_target ? m_target->CanModifyInput() : false;} + + void Initialize(const NameValuePairs ¶meters, int propagation); + byte * CreatePutSpace(size_t &size) + {return m_target ? m_target->CreatePutSpace(size) : (byte *)(size=0, NULL);} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + {return m_target ? m_target->Put2(begin, length, GetPassSignals() ? messageEnd : 0, blocking) : 0;} + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) + {return m_target && GetPassSignals() ? m_target->Flush(hardFlush, propagation, blocking) : false;} + bool MessageSeriesEnd(int propagation=-1, bool blocking=true) + {return m_target && GetPassSignals() ? m_target->MessageSeriesEnd(propagation, blocking) : false;} + + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size) + {return m_target ? m_target->ChannelCreatePutSpace(channel, size) : (byte *)(size=0, NULL);} + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) + {return m_target ? m_target->ChannelPut2(channel, begin, length, GetPassSignals() ? messageEnd : 0, blocking) : 0;} + size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking) + {return m_target ? m_target->ChannelPutModifiable2(channel, begin, length, GetPassSignals() ? messageEnd : 0, blocking) : 0;} + bool ChannelFlush(const std::string &channel, bool completeFlush, int propagation=-1, bool blocking=true) + {return m_target && GetPassSignals() ? m_target->ChannelFlush(channel, completeFlush, propagation, blocking) : false;} + bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true) + {return m_target && GetPassSignals() ? m_target->ChannelMessageSeriesEnd(channel, propagation, blocking) : false;} + + unsigned int GetMaxWaitObjectCount() const + { return m_target && GetPassWaitObjects() ? m_target->GetMaxWaitObjectCount() : 0; } + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) + { if (m_target && GetPassWaitObjects()) m_target->GetWaitObjects(container, callStack); } + +private: + BufferedTransformation *m_target; + word32 m_behavior; +}; + +// Used By ProxyFilter +class CRYPTOPP_DLL OutputProxy : public CustomSignalPropagation<Sink> +{ +public: + OutputProxy(BufferedTransformation &owner, bool passSignal) : m_owner(owner), m_passSignal(passSignal) {} + + bool GetPassSignal() const {return m_passSignal;} + void SetPassSignal(bool passSignal) {m_passSignal = passSignal;} + + byte * CreatePutSpace(size_t &size) + {return m_owner.AttachedTransformation()->CreatePutSpace(size);} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + {return m_owner.AttachedTransformation()->Put2(begin, length, m_passSignal ? messageEnd : 0, blocking);} + size_t PutModifiable2(byte *begin, size_t length, int messageEnd, bool blocking) + {return m_owner.AttachedTransformation()->PutModifiable2(begin, length, m_passSignal ? messageEnd : 0, blocking);} + void Initialize(const NameValuePairs ¶meters=g_nullNameValuePairs, int propagation=-1) + {if (m_passSignal) m_owner.AttachedTransformation()->Initialize(parameters, propagation);} + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) + {return m_passSignal ? m_owner.AttachedTransformation()->Flush(hardFlush, propagation, blocking) : false;} + bool MessageSeriesEnd(int propagation=-1, bool blocking=true) + {return m_passSignal ? m_owner.AttachedTransformation()->MessageSeriesEnd(propagation, blocking) : false;} + + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size) + {return m_owner.AttachedTransformation()->ChannelCreatePutSpace(channel, size);} + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) + {return m_owner.AttachedTransformation()->ChannelPut2(channel, begin, length, m_passSignal ? messageEnd : 0, blocking);} + size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking) + {return m_owner.AttachedTransformation()->ChannelPutModifiable2(channel, begin, length, m_passSignal ? messageEnd : 0, blocking);} + bool ChannelFlush(const std::string &channel, bool completeFlush, int propagation=-1, bool blocking=true) + {return m_passSignal ? m_owner.AttachedTransformation()->ChannelFlush(channel, completeFlush, propagation, blocking) : false;} + bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true) + {return m_passSignal ? m_owner.AttachedTransformation()->ChannelMessageSeriesEnd(channel, propagation, blocking) : false;} + +private: + BufferedTransformation &m_owner; + bool m_passSignal; +}; + +//! Base class for Filter classes that are proxies for a chain of other filters. +class CRYPTOPP_DLL ProxyFilter : public FilterWithBufferedInput +{ +public: + ProxyFilter(BufferedTransformation *filter, size_t firstSize, size_t lastSize, BufferedTransformation *attachment); + + bool IsolatedFlush(bool hardFlush, bool blocking); + + void SetFilter(Filter *filter); + void NextPutMultiple(const byte *s, size_t len); + void NextPutModifiable(byte *inString, size_t length); + +protected: + member_ptr<BufferedTransformation> m_filter; +}; + +//! simple proxy filter that doesn't modify the underlying filter's input or output +class CRYPTOPP_DLL SimpleProxyFilter : public ProxyFilter +{ +public: + SimpleProxyFilter(BufferedTransformation *filter, BufferedTransformation *attachment) + : ProxyFilter(filter, 0, 0, attachment) {} + + void FirstPut(const byte *) {} + void LastPut(const byte *, size_t) {m_filter->MessageEnd();} +}; + +//! proxy for the filter created by PK_Encryptor::CreateEncryptionFilter +/*! This class is here just to provide symmetry with VerifierFilter. */ +class CRYPTOPP_DLL PK_EncryptorFilter : public SimpleProxyFilter +{ +public: + PK_EncryptorFilter(RandomNumberGenerator &rng, const PK_Encryptor &encryptor, BufferedTransformation *attachment = NULL) + : SimpleProxyFilter(encryptor.CreateEncryptionFilter(rng), attachment) {} +}; + +//! proxy for the filter created by PK_Decryptor::CreateDecryptionFilter +/*! This class is here just to provide symmetry with SignerFilter. */ +class CRYPTOPP_DLL PK_DecryptorFilter : public SimpleProxyFilter +{ +public: + PK_DecryptorFilter(RandomNumberGenerator &rng, const PK_Decryptor &decryptor, BufferedTransformation *attachment = NULL) + : SimpleProxyFilter(decryptor.CreateDecryptionFilter(rng), attachment) {} +}; + +//! Append input to a string object +template <class T> +class StringSinkTemplate : public Bufferless<Sink> +{ +public: + // VC60 workaround: no T::char_type + typedef typename T::traits_type::char_type char_type; + + StringSinkTemplate(T &output) + : m_output(&output) {assert(sizeof(output[0])==1);} + + void IsolatedInitialize(const NameValuePairs ¶meters) + {if (!parameters.GetValue("OutputStringPointer", m_output)) throw InvalidArgument("StringSink: OutputStringPointer not specified");} + + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + { + if (length > 0) + { + typename T::size_type size = m_output->size(); + if (length < size && size + length > m_output->capacity()) + m_output->reserve(2*size); + m_output->append((const char_type *)begin, (const char_type *)begin+length); + } + return 0; + } + +private: + T *m_output; +}; + +//! Append input to an std::string +CRYPTOPP_DLL_TEMPLATE_CLASS StringSinkTemplate<std::string>; +typedef StringSinkTemplate<std::string> StringSink; + +//! incorporates input into RNG as additional entropy +class RandomNumberSink : public Bufferless<Sink> +{ +public: + RandomNumberSink() + : m_rng(NULL) {} + + RandomNumberSink(RandomNumberGenerator &rng) + : m_rng(&rng) {} + + void IsolatedInitialize(const NameValuePairs ¶meters); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + +private: + RandomNumberGenerator *m_rng; +}; + +//! Copy input to a memory buffer +class CRYPTOPP_DLL ArraySink : public Bufferless<Sink> +{ +public: + ArraySink(const NameValuePairs ¶meters = g_nullNameValuePairs) {IsolatedInitialize(parameters);} + ArraySink(byte *buf, size_t size) : m_buf(buf), m_size(size), m_total(0) {} + + size_t AvailableSize() {return SaturatingSubtract(m_size, m_total);} + lword TotalPutLength() {return m_total;} + + void IsolatedInitialize(const NameValuePairs ¶meters); + byte * CreatePutSpace(size_t &size); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + +protected: + byte *m_buf; + size_t m_size; + lword m_total; +}; + +//! Xor input to a memory buffer +class CRYPTOPP_DLL ArrayXorSink : public ArraySink +{ +public: + ArrayXorSink(byte *buf, size_t size) + : ArraySink(buf, size) {} + + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + byte * CreatePutSpace(size_t &size) {return BufferedTransformation::CreatePutSpace(size);} +}; + +//! string-based implementation of Store interface +class StringStore : public Store +{ +public: + StringStore(const char *string = NULL) + {StoreInitialize(MakeParameters("InputBuffer", ConstByteArrayParameter(string)));} + StringStore(const byte *string, size_t length) + {StoreInitialize(MakeParameters("InputBuffer", ConstByteArrayParameter(string, length)));} + template <class T> StringStore(const T &string) + {StoreInitialize(MakeParameters("InputBuffer", ConstByteArrayParameter(string)));} + + CRYPTOPP_DLL size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + CRYPTOPP_DLL size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + +private: + CRYPTOPP_DLL void StoreInitialize(const NameValuePairs ¶meters); + + const byte *m_store; + size_t m_length, m_count; +}; + +//! RNG-based implementation of Source interface +class CRYPTOPP_DLL RandomNumberStore : public Store +{ +public: + RandomNumberStore() + : m_rng(NULL), m_length(0), m_count(0) {} + + RandomNumberStore(RandomNumberGenerator &rng, lword length) + : m_rng(&rng), m_length(length), m_count(0) {} + + bool AnyRetrievable() const {return MaxRetrievable() != 0;} + lword MaxRetrievable() const {return m_length-m_count;} + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const + { + throw NotImplemented("RandomNumberStore: CopyRangeTo2() is not supported by this store"); + } + +private: + void StoreInitialize(const NameValuePairs ¶meters); + + RandomNumberGenerator *m_rng; + lword m_length, m_count; +}; + +//! empty store +class CRYPTOPP_DLL NullStore : public Store +{ +public: + NullStore(lword size = ULONG_MAX) : m_size(size) {} + void StoreInitialize(const NameValuePairs ¶meters) {} + lword MaxRetrievable() const {return m_size;} + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + +private: + lword m_size; +}; + +//! A Filter that pumps data into its attachment as input +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Source : public InputRejecting<Filter> +{ +public: + Source(BufferedTransformation *attachment = NULL) + {Source::Detach(attachment);} + + lword Pump(lword pumpMax=size_t(0)-1) + {Pump2(pumpMax); return pumpMax;} + unsigned int PumpMessages(unsigned int count=UINT_MAX) + {PumpMessages2(count); return count;} + void PumpAll() + {PumpAll2();} + virtual size_t Pump2(lword &byteCount, bool blocking=true) =0; + virtual size_t PumpMessages2(unsigned int &messageCount, bool blocking=true) =0; + virtual size_t PumpAll2(bool blocking=true); + virtual bool SourceExhausted() const =0; + +protected: + void SourceInitialize(bool pumpAll, const NameValuePairs ¶meters) + { + IsolatedInitialize(parameters); + if (pumpAll) + PumpAll(); + } +}; + +//! Turn a Store into a Source +template <class T> +class SourceTemplate : public Source +{ +public: + SourceTemplate<T>(BufferedTransformation *attachment) + : Source(attachment) {} + void IsolatedInitialize(const NameValuePairs ¶meters) + {m_store.IsolatedInitialize(parameters);} + size_t Pump2(lword &byteCount, bool blocking=true) + {return m_store.TransferTo2(*AttachedTransformation(), byteCount, DEFAULT_CHANNEL, blocking);} + size_t PumpMessages2(unsigned int &messageCount, bool blocking=true) + {return m_store.TransferMessagesTo2(*AttachedTransformation(), messageCount, DEFAULT_CHANNEL, blocking);} + size_t PumpAll2(bool blocking=true) + {return m_store.TransferAllTo2(*AttachedTransformation(), DEFAULT_CHANNEL, blocking);} + bool SourceExhausted() const + {return !m_store.AnyRetrievable() && !m_store.AnyMessages();} + void SetAutoSignalPropagation(int propagation) + {m_store.SetAutoSignalPropagation(propagation);} + int GetAutoSignalPropagation() const + {return m_store.GetAutoSignalPropagation();} + +protected: + T m_store; +}; + +//! string-based implementation of Source interface +class CRYPTOPP_DLL StringSource : public SourceTemplate<StringStore> +{ +public: + StringSource(BufferedTransformation *attachment = NULL) + : SourceTemplate<StringStore>(attachment) {} + //! zero terminated string as source + StringSource(const char *string, bool pumpAll, BufferedTransformation *attachment = NULL) + : SourceTemplate<StringStore>(attachment) {SourceInitialize(pumpAll, MakeParameters("InputBuffer", ConstByteArrayParameter(string)));} + //! binary byte array as source + StringSource(const byte *string, size_t length, bool pumpAll, BufferedTransformation *attachment = NULL) + : SourceTemplate<StringStore>(attachment) {SourceInitialize(pumpAll, MakeParameters("InputBuffer", ConstByteArrayParameter(string, length)));} + //! std::string as source + StringSource(const std::string &string, bool pumpAll, BufferedTransformation *attachment = NULL) + : SourceTemplate<StringStore>(attachment) {SourceInitialize(pumpAll, MakeParameters("InputBuffer", ConstByteArrayParameter(string)));} +}; + +//! use the third constructor for an array source +typedef StringSource ArraySource; + +//! RNG-based implementation of Source interface +class CRYPTOPP_DLL RandomNumberSource : public SourceTemplate<RandomNumberStore> +{ +public: + RandomNumberSource(RandomNumberGenerator &rng, int length, bool pumpAll, BufferedTransformation *attachment = NULL) + : SourceTemplate<RandomNumberStore>(attachment) + {SourceInitialize(pumpAll, MakeParameters("RandomNumberGeneratorPointer", &rng)("RandomNumberStoreSize", length));} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/fips140.cpp b/CryptoPP/fips140.cpp new file mode 100644 index 000000000..1fcf59014 --- /dev/null +++ b/CryptoPP/fips140.cpp @@ -0,0 +1,84 @@ +// fips140.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "fips140.h" +#include "trdlocal.h" // needs to be included last for cygwin + +NAMESPACE_BEGIN(CryptoPP) + +// Define this to 1 to turn on FIPS 140-2 compliance features, including additional tests during +// startup, random number generation, and key generation. These tests may affect performance. +#ifndef CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 +#define CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 0 +#endif + +#if (CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 && !defined(THREADS_AVAILABLE)) +#error FIPS 140-2 compliance requires the availability of thread local storage. +#endif + +#if (CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 && !defined(OS_RNG_AVAILABLE)) +#error FIPS 140-2 compliance requires the availability of OS provided RNG. +#endif + +PowerUpSelfTestStatus g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_NOT_DONE; + +bool FIPS_140_2_ComplianceEnabled() +{ + return CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2; +} + +void SimulatePowerUpSelfTestFailure() +{ + g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_FAILED; +} + +PowerUpSelfTestStatus CRYPTOPP_API GetPowerUpSelfTestStatus() +{ + return g_powerUpSelfTestStatus; +} + +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 +ThreadLocalStorage & AccessPowerUpSelfTestInProgress() +{ + static ThreadLocalStorage selfTestInProgress; + return selfTestInProgress; +} +#endif + +bool PowerUpSelfTestInProgressOnThisThread() +{ +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 + return AccessPowerUpSelfTestInProgress().GetValue() != NULL; +#else + assert(false); // should not be called + return false; +#endif +} + +void SetPowerUpSelfTestInProgressOnThisThread(bool inProgress) +{ +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 + AccessPowerUpSelfTestInProgress().SetValue((void *)inProgress); +#endif +} + +void EncryptionPairwiseConsistencyTest_FIPS_140_Only(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor) +{ +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 + EncryptionPairwiseConsistencyTest(encryptor, decryptor); +#endif +} + +void SignaturePairwiseConsistencyTest_FIPS_140_Only(const PK_Signer &signer, const PK_Verifier &verifier) +{ +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 + SignaturePairwiseConsistencyTest(signer, verifier); +#endif +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/fips140.h b/CryptoPP/fips140.h new file mode 100644 index 000000000..a3e538613 --- /dev/null +++ b/CryptoPP/fips140.h @@ -0,0 +1,59 @@ +#ifndef CRYPTOPP_FIPS140_H +#define CRYPTOPP_FIPS140_H + +/*! \file + FIPS 140 related functions and classes. +*/ + +#include "cryptlib.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! exception thrown when a crypto algorithm is used after a self test fails +class CRYPTOPP_DLL SelfTestFailure : public Exception +{ +public: + explicit SelfTestFailure(const std::string &s) : Exception(OTHER_ERROR, s) {} +}; + +//! returns whether FIPS 140-2 compliance features were enabled at compile time +CRYPTOPP_DLL bool CRYPTOPP_API FIPS_140_2_ComplianceEnabled(); + +//! enum values representing status of the power-up self test +enum PowerUpSelfTestStatus {POWER_UP_SELF_TEST_NOT_DONE, POWER_UP_SELF_TEST_FAILED, POWER_UP_SELF_TEST_PASSED}; + +//! perform the power-up self test, and set the self test status +CRYPTOPP_DLL void CRYPTOPP_API DoPowerUpSelfTest(const char *moduleFilename, const byte *expectedModuleMac); + +//! perform the power-up self test using the filename of this DLL and the embedded module MAC +CRYPTOPP_DLL void CRYPTOPP_API DoDllPowerUpSelfTest(); + +//! set the power-up self test status to POWER_UP_SELF_TEST_FAILED +CRYPTOPP_DLL void CRYPTOPP_API SimulatePowerUpSelfTestFailure(); + +//! return the current power-up self test status +CRYPTOPP_DLL PowerUpSelfTestStatus CRYPTOPP_API GetPowerUpSelfTestStatus(); + +typedef PowerUpSelfTestStatus (CRYPTOPP_API * PGetPowerUpSelfTestStatus)(); + +CRYPTOPP_DLL MessageAuthenticationCode * CRYPTOPP_API NewIntegrityCheckingMAC(); + +CRYPTOPP_DLL bool CRYPTOPP_API IntegrityCheckModule(const char *moduleFilename, const byte *expectedModuleMac, SecByteBlock *pActualMac = NULL, unsigned long *pMacFileLocation = NULL); + +// this is used by Algorithm constructor to allow Algorithm objects to be constructed for the self test +bool PowerUpSelfTestInProgressOnThisThread(); + +void SetPowerUpSelfTestInProgressOnThisThread(bool inProgress); + +void SignaturePairwiseConsistencyTest(const PK_Signer &signer, const PK_Verifier &verifier); +void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor); + +void SignaturePairwiseConsistencyTest_FIPS_140_Only(const PK_Signer &signer, const PK_Verifier &verifier); +void EncryptionPairwiseConsistencyTest_FIPS_140_Only(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor); + +#define CRYPTOPP_DUMMY_DLL_MAC "MAC_51f34b8db820ae8" + +NAMESPACE_END + +#endif diff --git a/CryptoPP/fipstest.cpp b/CryptoPP/fipstest.cpp new file mode 100644 index 000000000..e882742e9 --- /dev/null +++ b/CryptoPP/fipstest.cpp @@ -0,0 +1,601 @@ +// fipstest.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#define CRYPTOPP_DEFAULT_NO_DLL +#include "dll.h" + +#ifdef CRYPTOPP_WIN32_AVAILABLE +#define _WIN32_WINNT 0x0400 +#include <windows.h> + +#if defined(_MSC_VER) && _MSC_VER >= 1400 +#ifdef _M_IX86 +#define _CRT_DEBUGGER_HOOK _crt_debugger_hook +#else +#define _CRT_DEBUGGER_HOOK __crt_debugger_hook +#endif +extern "C" {_CRTIMP void __cdecl _CRT_DEBUGGER_HOOK(int);} +#endif +#endif + +#include <iostream> + +NAMESPACE_BEGIN(CryptoPP) + +extern PowerUpSelfTestStatus g_powerUpSelfTestStatus; +SecByteBlock g_actualMac; +unsigned long g_macFileLocation = 0; + +// use a random dummy string here, to be searched/replaced later with the real MAC +static const byte s_moduleMac[CryptoPP::HMAC<CryptoPP::SHA1>::DIGESTSIZE] = CRYPTOPP_DUMMY_DLL_MAC; +CRYPTOPP_COMPILE_ASSERT(sizeof(s_moduleMac) == CryptoPP::SHA1::DIGESTSIZE); + +#ifdef CRYPTOPP_WIN32_AVAILABLE +static HMODULE s_hModule = NULL; +#endif + +const byte * CRYPTOPP_API GetActualMacAndLocation(unsigned int &macSize, unsigned int &fileLocation) +{ + macSize = (unsigned int)g_actualMac.size(); + fileLocation = g_macFileLocation; + return g_actualMac; +} + +void KnownAnswerTest(RandomNumberGenerator &rng, const char *output) +{ + EqualityComparisonFilter comparison; + + RandomNumberStore(rng, strlen(output)/2).TransferAllTo(comparison, "0"); + StringSource(output, true, new HexDecoder(new ChannelSwitch(comparison, "1"))); + + comparison.ChannelMessageSeriesEnd("0"); + comparison.ChannelMessageSeriesEnd("1"); +} + +template <class CIPHER> +void X917RNG_KnownAnswerTest( + const char *key, + const char *seed, + const char *deterministicTimeVector, + const char *output, + CIPHER *dummy = NULL) +{ +#ifdef OS_RNG_AVAILABLE + std::string decodedKey, decodedSeed, decodedDeterministicTimeVector; + StringSource(key, true, new HexDecoder(new StringSink(decodedKey))); + StringSource(seed, true, new HexDecoder(new StringSink(decodedSeed))); + StringSource(deterministicTimeVector, true, new HexDecoder(new StringSink(decodedDeterministicTimeVector))); + + AutoSeededX917RNG<CIPHER> rng(false, false); + rng.Reseed((const byte *)decodedKey.data(), decodedKey.size(), (const byte *)decodedSeed.data(), (const byte *)decodedDeterministicTimeVector.data()); + KnownAnswerTest(rng, output); +#else + throw 0; +#endif +} + +void KnownAnswerTest(StreamTransformation &encryption, StreamTransformation &decryption, const char *plaintext, const char *ciphertext) +{ + EqualityComparisonFilter comparison; + + StringSource(plaintext, true, new HexDecoder(new StreamTransformationFilter(encryption, new ChannelSwitch(comparison, "0"), StreamTransformationFilter::NO_PADDING))); + StringSource(ciphertext, true, new HexDecoder(new ChannelSwitch(comparison, "1"))); + + StringSource(ciphertext, true, new HexDecoder(new StreamTransformationFilter(decryption, new ChannelSwitch(comparison, "0"), StreamTransformationFilter::NO_PADDING))); + StringSource(plaintext, true, new HexDecoder(new ChannelSwitch(comparison, "1"))); + + comparison.ChannelMessageSeriesEnd("0"); + comparison.ChannelMessageSeriesEnd("1"); +} + +template <class CIPHER> +void SymmetricEncryptionKnownAnswerTest( + const char *key, + const char *hexIV, + const char *plaintext, + const char *ecb, + const char *cbc, + const char *cfb, + const char *ofb, + const char *ctr, + CIPHER *dummy = NULL) +{ + std::string decodedKey; + StringSource(key, true, new HexDecoder(new StringSink(decodedKey))); + + typename CIPHER::Encryption encryption((const byte *)decodedKey.data(), decodedKey.size()); + typename CIPHER::Decryption decryption((const byte *)decodedKey.data(), decodedKey.size()); + + SecByteBlock iv(encryption.BlockSize()); + StringSource(hexIV, true, new HexDecoder(new ArraySink(iv, iv.size()))); + + if (ecb) + KnownAnswerTest(ECB_Mode_ExternalCipher::Encryption(encryption).Ref(), ECB_Mode_ExternalCipher::Decryption(decryption).Ref(), plaintext, ecb); + if (cbc) + KnownAnswerTest(CBC_Mode_ExternalCipher::Encryption(encryption, iv).Ref(), CBC_Mode_ExternalCipher::Decryption(decryption, iv).Ref(), plaintext, cbc); + if (cfb) + KnownAnswerTest(CFB_Mode_ExternalCipher::Encryption(encryption, iv).Ref(), CFB_Mode_ExternalCipher::Decryption(encryption, iv).Ref(), plaintext, cfb); + if (ofb) + KnownAnswerTest(OFB_Mode_ExternalCipher::Encryption(encryption, iv).Ref(), OFB_Mode_ExternalCipher::Decryption(encryption, iv).Ref(), plaintext, ofb); + if (ctr) + KnownAnswerTest(CTR_Mode_ExternalCipher::Encryption(encryption, iv).Ref(), CTR_Mode_ExternalCipher::Decryption(encryption, iv).Ref(), plaintext, ctr); +} + +void KnownAnswerTest(HashTransformation &hash, const char *message, const char *digest) +{ + EqualityComparisonFilter comparison; + StringSource(digest, true, new HexDecoder(new ChannelSwitch(comparison, "1"))); + StringSource(message, true, new HashFilter(hash, new ChannelSwitch(comparison, "0"))); + + comparison.ChannelMessageSeriesEnd("0"); + comparison.ChannelMessageSeriesEnd("1"); +} + +template <class HASH> +void SecureHashKnownAnswerTest(const char *message, const char *digest, HASH *dummy = NULL) +{ + HASH hash; + KnownAnswerTest(hash, message, digest); +} + +template <class MAC> +void MAC_KnownAnswerTest(const char *key, const char *message, const char *digest, MAC *dummy = NULL) +{ + std::string decodedKey; + StringSource(key, true, new HexDecoder(new StringSink(decodedKey))); + + MAC mac((const byte *)decodedKey.data(), decodedKey.size()); + KnownAnswerTest(mac, message, digest); +} + +template <class SCHEME> +void SignatureKnownAnswerTest(const char *key, const char *message, const char *signature, SCHEME *dummy = NULL) +{ + typename SCHEME::Signer signer(StringSource(key, true, new HexDecoder).Ref()); + typename SCHEME::Verifier verifier(signer); + + RandomPool rng; + EqualityComparisonFilter comparison; + + StringSource(message, true, new SignerFilter(rng, signer, new ChannelSwitch(comparison, "0"))); + StringSource(signature, true, new HexDecoder(new ChannelSwitch(comparison, "1"))); + + comparison.ChannelMessageSeriesEnd("0"); + comparison.ChannelMessageSeriesEnd("1"); + + VerifierFilter verifierFilter(verifier, NULL, VerifierFilter::SIGNATURE_AT_BEGIN | VerifierFilter::THROW_EXCEPTION); + StringSource(signature, true, new HexDecoder(new Redirector(verifierFilter, Redirector::DATA_ONLY))); + StringSource(message, true, new Redirector(verifierFilter)); +} + +void EncryptionPairwiseConsistencyTest(const PK_Encryptor &encryptor, const PK_Decryptor &decryptor) +{ + try + { + RandomPool rng; + const char *testMessage ="test message"; + std::string ciphertext, decrypted; + + StringSource( + testMessage, + true, + new PK_EncryptorFilter( + rng, + encryptor, + new StringSink(ciphertext))); + + if (ciphertext == testMessage) + throw 0; + + StringSource( + ciphertext, + true, + new PK_DecryptorFilter( + rng, + decryptor, + new StringSink(decrypted))); + + if (decrypted != testMessage) + throw 0; + } + catch (...) + { + throw SelfTestFailure(encryptor.AlgorithmName() + ": pairwise consistency test failed"); + } +} + +void SignaturePairwiseConsistencyTest(const PK_Signer &signer, const PK_Verifier &verifier) +{ + try + { + RandomPool rng; + + StringSource( + "test message", + true, + new SignerFilter( + rng, + signer, + new VerifierFilter(verifier, NULL, VerifierFilter::THROW_EXCEPTION), + true)); + } + catch (...) + { + throw SelfTestFailure(signer.AlgorithmName() + ": pairwise consistency test failed"); + } +} + +template <class SCHEME> +void SignaturePairwiseConsistencyTest(const char *key, SCHEME *dummy = NULL) +{ + typename SCHEME::Signer signer(StringSource(key, true, new HexDecoder).Ref()); + typename SCHEME::Verifier verifier(signer); + + SignaturePairwiseConsistencyTest(signer, verifier); +} + +MessageAuthenticationCode * NewIntegrityCheckingMAC() +{ + byte key[] = {0x47, 0x1E, 0x33, 0x96, 0x65, 0xB1, 0x6A, 0xED, 0x0B, 0xF8, 0x6B, 0xFD, 0x01, 0x65, 0x05, 0xCC}; + return new HMAC<SHA1>(key, sizeof(key)); +} + +bool IntegrityCheckModule(const char *moduleFilename, const byte *expectedModuleMac, SecByteBlock *pActualMac, unsigned long *pMacFileLocation) +{ + std::auto_ptr<MessageAuthenticationCode> mac(NewIntegrityCheckingMAC()); + unsigned int macSize = mac->DigestSize(); + + SecByteBlock tempMac; + SecByteBlock &actualMac = pActualMac ? *pActualMac : tempMac; + actualMac.resize(macSize); + + unsigned long tempLocation; + unsigned long &macFileLocation = pMacFileLocation ? *pMacFileLocation : tempLocation; + macFileLocation = 0; + + MeterFilter verifier(new HashFilter(*mac, new ArraySink(actualMac, actualMac.size()))); +// MeterFilter verifier(new FileSink("c:\\dt.tmp")); + std::ifstream moduleStream; + +#ifdef CRYPTOPP_WIN32_AVAILABLE + HMODULE h; + { + char moduleFilenameBuf[MAX_PATH] = ""; + if (moduleFilename == NULL) + { +#if (_MSC_VER >= 1400 && !defined(_STLPORT_VERSION)) // ifstream doesn't support wide filename on other compilers + wchar_t wideModuleFilename[MAX_PATH]; + if (GetModuleFileNameW(s_hModule, wideModuleFilename, MAX_PATH) > 0) + { + moduleStream.open(wideModuleFilename, std::ios::in | std::ios::binary); + h = GetModuleHandleW(wideModuleFilename); + } + else +#endif + { + GetModuleFileNameA(s_hModule, moduleFilenameBuf, MAX_PATH); + moduleFilename = moduleFilenameBuf; + } + } +#endif + if (moduleFilename != NULL) + { + moduleStream.open(moduleFilename, std::ios::in | std::ios::binary); +#ifdef CRYPTOPP_WIN32_AVAILABLE + h = GetModuleHandleA(moduleFilename); + moduleFilename = NULL; + } +#endif + } + + if (!moduleStream) + { +#ifdef CRYPTOPP_WIN32_AVAILABLE + OutputDebugString("Crypto++ DLL integrity check failed. Cannot open file for reading."); +#endif + return false; + } + FileStore file(moduleStream); + +#ifdef CRYPTOPP_WIN32_AVAILABLE + // try to hash from memory first + const byte *memBase = (const byte *)h; + const IMAGE_DOS_HEADER *ph = (IMAGE_DOS_HEADER *)memBase; + const IMAGE_NT_HEADERS *phnt = (IMAGE_NT_HEADERS *)(memBase + ph->e_lfanew); + const IMAGE_SECTION_HEADER *phs = IMAGE_FIRST_SECTION(phnt); + DWORD nSections = phnt->FileHeader.NumberOfSections; + size_t currentFilePos = 0; + + size_t checksumPos = (byte *)&phnt->OptionalHeader.CheckSum - memBase; + size_t checksumSize = sizeof(phnt->OptionalHeader.CheckSum); + size_t certificateTableDirectoryPos = (byte *)&phnt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY] - memBase; + size_t certificateTableDirectorySize = sizeof(phnt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY]); + size_t certificateTablePos = phnt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].VirtualAddress; + size_t certificateTableSize = phnt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_SECURITY].Size; + + verifier.AddRangeToSkip(0, checksumPos, checksumSize); + verifier.AddRangeToSkip(0, certificateTableDirectoryPos, certificateTableDirectorySize); + verifier.AddRangeToSkip(0, certificateTablePos, certificateTableSize); + + while (nSections--) + { + switch (phs->Characteristics) + { + default: + break; + case IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ: + case IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ: + unsigned int sectionSize = STDMIN(phs->SizeOfRawData, phs->Misc.VirtualSize); + const byte *sectionMemStart = memBase + phs->VirtualAddress; + unsigned int sectionFileStart = phs->PointerToRawData; + size_t subSectionStart = 0, nextSubSectionStart; + + do + { + const byte *subSectionMemStart = sectionMemStart + subSectionStart; + size_t subSectionFileStart = sectionFileStart + subSectionStart; + size_t subSectionSize = sectionSize - subSectionStart; + nextSubSectionStart = 0; + + unsigned int entriesToReadFromDisk[] = {IMAGE_DIRECTORY_ENTRY_IMPORT, IMAGE_DIRECTORY_ENTRY_IAT}; + for (unsigned int i=0; i<sizeof(entriesToReadFromDisk)/sizeof(entriesToReadFromDisk[0]); i++) + { + const IMAGE_DATA_DIRECTORY &entry = phnt->OptionalHeader.DataDirectory[entriesToReadFromDisk[i]]; + const byte *entryMemStart = memBase + entry.VirtualAddress; + if (subSectionMemStart <= entryMemStart && entryMemStart < subSectionMemStart + subSectionSize) + { + subSectionSize = entryMemStart - subSectionMemStart; + nextSubSectionStart = entryMemStart - sectionMemStart + entry.Size; + } + } + +#if defined(_MSC_VER) && _MSC_VER >= 1400 + // first byte of _CRT_DEBUGGER_HOOK gets modified in memory by the debugger invisibly, so read it from file + if (IsDebuggerPresent()) + { + if (subSectionMemStart <= (byte *)&_CRT_DEBUGGER_HOOK && (byte *)&_CRT_DEBUGGER_HOOK < subSectionMemStart + subSectionSize) + { + subSectionSize = (byte *)&_CRT_DEBUGGER_HOOK - subSectionMemStart; + nextSubSectionStart = (byte *)&_CRT_DEBUGGER_HOOK - sectionMemStart + 1; + } + } +#endif + + if (subSectionMemStart <= expectedModuleMac && expectedModuleMac < subSectionMemStart + subSectionSize) + { + // found stored MAC + macFileLocation = (unsigned long)(subSectionFileStart + (expectedModuleMac - subSectionMemStart)); + verifier.AddRangeToSkip(0, macFileLocation, macSize); + } + + file.TransferTo(verifier, subSectionFileStart - currentFilePos); + verifier.Put(subSectionMemStart, subSectionSize); + file.Skip(subSectionSize); + currentFilePos = subSectionFileStart + subSectionSize; + subSectionStart = nextSubSectionStart; + } while (nextSubSectionStart != 0); + } + phs++; + } +#endif + file.TransferAllTo(verifier); + +#ifdef CRYPTOPP_WIN32_AVAILABLE + // if that fails (could be caused by debug breakpoints or DLL base relocation modifying image in memory), + // hash from disk instead + if (!VerifyBufsEqual(expectedModuleMac, actualMac, macSize)) + { + OutputDebugString("In memory integrity check failed. This may be caused by debug breakpoints or DLL relocation.\n"); + moduleStream.clear(); + moduleStream.seekg(0); + verifier.Initialize(MakeParameters(Name::OutputBuffer(), ByteArrayParameter(actualMac, (unsigned int)actualMac.size()))); +// verifier.Initialize(MakeParameters(Name::OutputFileName(), (const char *)"c:\\dt2.tmp")); + verifier.AddRangeToSkip(0, checksumPos, checksumSize); + verifier.AddRangeToSkip(0, certificateTableDirectoryPos, certificateTableDirectorySize); + verifier.AddRangeToSkip(0, certificateTablePos, certificateTableSize); + verifier.AddRangeToSkip(0, macFileLocation, macSize); + FileStore(moduleStream).TransferAllTo(verifier); + } +#endif + + if (VerifyBufsEqual(expectedModuleMac, actualMac, macSize)) + return true; + +#ifdef CRYPTOPP_WIN32_AVAILABLE + std::string hexMac; + HexEncoder(new StringSink(hexMac)).PutMessageEnd(actualMac, actualMac.size()); + OutputDebugString((("Crypto++ DLL integrity check failed. Actual MAC is: " + hexMac) + "\n").c_str()); +#endif + return false; +} + +void DoPowerUpSelfTest(const char *moduleFilename, const byte *expectedModuleMac) +{ + g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_NOT_DONE; + SetPowerUpSelfTestInProgressOnThisThread(true); + + try + { + if (FIPS_140_2_ComplianceEnabled() || expectedModuleMac != NULL) + { + if (!IntegrityCheckModule(moduleFilename, expectedModuleMac, &g_actualMac, &g_macFileLocation)) + throw 0; // throw here so we break in the debugger, this will be caught right away + } + + // algorithm tests + + X917RNG_KnownAnswerTest<AES>( + "2b7e151628aed2a6abf7158809cf4f3c", // key + "000102030405060708090a0b0c0d0e0f", // seed + "00000000000000000000000000000001", // time vector + "D176EDD27493B0395F4D10546232B0693DC7061C03C3A554F09CECF6F6B46D945A"); // output + + SymmetricEncryptionKnownAnswerTest<DES_EDE3>( + "385D7189A5C3D485E1370AA5D408082B5CCCCB5E19F2D90E", + "C141B5FCCD28DC8A", + "6E1BD7C6120947A464A6AAB293A0F89A563D8D40D3461B68", + "64EAAD4ACBB9CEAD6C7615E7C7E4792FE587D91F20C7D2F4", + "6235A461AFD312973E3B4F7AA7D23E34E03371F8E8C376C9", + "E26BA806A59B0330DE40CA38E77A3E494BE2B212F6DD624B", + "E26BA806A59B03307DE2BCC25A08BA40A8BA335F5D604C62", + "E26BA806A59B03303C62C2EFF32D3ACDD5D5F35EBCC53371"); + + SymmetricEncryptionKnownAnswerTest<SKIPJACK>( + "1555E5531C3A169B2D65", + "6EC9795701F49864", + "00AFA48E9621E52E8CBDA312660184EDDB1F33D9DACDA8DA", + "DBEC73562EFCAEB56204EB8AE9557EBF77473FBB52D17CD1", + "0C7B0B74E21F99B8F2C8DF37879F6C044967F42A796DCA8B", + "79FDDA9724E36CC2E023E9A5C717A8A8A7FDA465CADCBF63", + "79FDDA9724E36CC26CACBD83C1ABC06EAF5B249BE5B1E040", + "79FDDA9724E36CC211B0AEC607B95A96BCDA318440B82F49"); + + SymmetricEncryptionKnownAnswerTest<AES>( + "2b7e151628aed2a6abf7158809cf4f3c", + "000102030405060708090a0b0c0d0e0f", + "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", // plaintext + "3ad77bb40d7a3660a89ecaf32466ef97f5d3d58503b9699de785895a96fdbaaf43b1cd7f598ece23881b00e3ed0306887b0c785e27e8ad3f8223207104725dd4", // ecb + "7649abac8119b246cee98e9b12e9197d5086cb9b507219ee95db113a917678b273bed6b8e3c1743b7116e69e222295163ff1caa1681fac09120eca307586e1a7", // cbc + "3b3fd92eb72dad20333449f8e83cfb4ac8a64537a0b3a93fcde3cdad9f1ce58b26751f67a3cbb140b1808cf187a4f4dfc04b05357c5d1c0eeac4c66f9ff7f2e6", // cfb + "3b3fd92eb72dad20333449f8e83cfb4a7789508d16918f03f53c52dac54ed8259740051e9c5fecf64344f7a82260edcc304c6528f659c77866a510d9c1d6ae5e", // ofb + NULL); + + SymmetricEncryptionKnownAnswerTest<AES>( + "2b7e151628aed2a6abf7158809cf4f3c", + "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", + "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", + NULL, + NULL, + NULL, + NULL, + "874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009cee"); // ctr + + + SecureHashKnownAnswerTest<SHA1>( + "abc", + "A9993E364706816ABA3E25717850C26C9CD0D89D"); + + SecureHashKnownAnswerTest<SHA224>( + "abc", + "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7"); + + SecureHashKnownAnswerTest<SHA256>( + "abc", + "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); + + SecureHashKnownAnswerTest<SHA384>( + "abc", + "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7"); + + SecureHashKnownAnswerTest<SHA512>( + "abc", + "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"); + + MAC_KnownAnswerTest<HMAC<SHA1> >( + "303132333435363738393a3b3c3d3e3f40414243", + "Sample #2", + "0922d3405faa3d194f82a45830737d5cc6c75d24"); + + const char *keyRSA1 = + "30820150020100300d06092a864886f70d01010105000482013a3082013602010002400a66791dc6988168de7ab77419bb7fb0" + "c001c62710270075142942e19a8d8c51d053b3e3782a1de5dc5af4ebe99468170114a1dfe67cdc9a9af55d655620bbab0203010001" + "02400123c5b61ba36edb1d3679904199a89ea80c09b9122e1400c09adcf7784676d01d23356a7d44d6bd8bd50e94bfc723fa" + "87d8862b75177691c11d757692df8881022033d48445c859e52340de704bcdda065fbb4058d740bd1d67d29e9c146c11cf61" + "0220335e8408866b0fd38dc7002d3f972c67389a65d5d8306566d5c4f2a5aa52628b0220045ec90071525325d3d46db79695e9af" + "acc4523964360e02b119baa366316241022015eb327360c7b60d12e5e2d16bdcd97981d17fba6b70db13b20b436e24eada590220" + "2ca6366d72781dfa24d34a9a24cbc2ae927a9958af426563ff63fb11658a461d"; + + const char *keyRSA2 = + "30820273020100300D06092A864886F70D01010105000482025D3082025902010002818100D40AF9" + "A2B713034249E5780056D70FC7DE75D76E44565AA6A6B8ED9646F3C19F9E254D72D7DE6E49DB2264" + "0C1D05AB9E2A5F901D8F3FE1F7AE02CEE2ECCE54A40ABAE55A004692752E70725AEEE7CDEA67628A" + "82A9239B4AB660C2BC56D9F01E90CBAAB9BF0FC8E17173CEFC5709A29391A7DDF3E0B758691AAF30" + "725B292F4F020111027F18C0BA087D082C45D75D3594E0767E4820818EB35612B80CEAB8C880ACA5" + "44B6876DFFEF85A576C0D45B551AFAA1FD63209CD745DF75C5A0F0B580296EA466CD0338207E4752" + "FF4E7DB724D8AE18CE5CF4153BB94C27869FBB50E64F02546E4B02997A0B8623E64017CC770759C6" + "695DB649EEFD829D688D441BCC4E7348F1024100EF86DD7AF3F32CDE8A9F6564E43A559A0C9F8BAD" + "36CC25330548B347AC158A345631FA90F7B873C36EFFAE2F7823227A3F580B5DD18304D5932751E7" + "43E9234F024100E2A039854B55688740E32A51DF4AF88613D91A371CF8DDD95D780A89D7CF2119A9" + "54F1AC0F3DCDB2F6959926E6D9D37D8BC07A4C634DE6F16315BD5F0DAC340102407ECEEDB9903572" + "1B76909F174BA6698DCA72953D957B22C0A871C8531EDE3A1BB52984A719BC010D1CA57A555DB83F" + "6DE54CBAB932AEC652F38D497A6F3F30CF024100854F30E4FF232E6DADB2CD99926855F484255AB7" + "01FBCDCB27EC426F33A7046972AA700ADBCA008763DF87440F52F4E070531AC385B55AAC1C2AE7DD" + "8F9278F1024100C313F4AF9E4A9DE1253C21080CE524251560C111550772FD08690F13FBE658342E" + "BD2D41C9DCB12374E871B1839E26CAE252E1AE3DAAD5F1EE1F42B4D0EE7581"; + + SignatureKnownAnswerTest<RSASS<PKCS1v15, SHA1> >( + keyRSA1, + "Everyone gets Friday off.", + "0610761F95FFD1B8F29DA34212947EC2AA0E358866A722F03CC3C41487ADC604A48FF54F5C6BEDB9FB7BD59F82D6E55D8F3174BA361B2214B2D74E8825E04E81"); + + SignatureKnownAnswerTest<RSASS_ISO<SHA1> >( + keyRSA2, + "test", + "32F6BA41C8930DE71EE67F2627172CC539EDE04267FDE03AC295E3C50311F26C3B275D3AF513AC96" + "8EE493BAB7DA3A754661D1A7C4A0D1A2B7EE8B313AACD8CB8BFBC5C15EFB0EF15C86A9334A1E87AD" + "291EB961B5CA0E84930429B28780816AA94F96FC2367B71E2D2E4866FA966795B147F00600E5207E" + "2F189C883B37477C"); + + SignaturePairwiseConsistencyTest<DSA>( + "3082014A0201003082012B06072A8648CE3804013082011E02818100F468699A6F6EBCC0120D3B34C8E007F125EC7D81F763B8D0F33869AE3BD6B9F2ECCC7DF34DF84C0307449E9B85D30D57194BCCEB310F48141914DD13A077AAF9B624A6CBE666BBA1D7EBEA95B5BA6F54417FD5D4E4220C601E071D316A24EA814E8B0122DBF47EE8AEEFD319EBB01DD95683F10DBB4FEB023F8262A07EAEB7FD02150082AD4E034DA6EEACDFDAE68C36F2BAD614F9E53B02818071AAF73361A26081529F7D84078ADAFCA48E031DB54AD57FB1A833ADBD8672328AABAA0C756247998D7A5B10DACA359D231332CE8120B483A784FE07D46EEBFF0D7D374A10691F78653E6DC29E27CCB1B174923960DFE5B959B919B2C3816C19251832AFD8E35D810E598F82877ABF7D40A041565168BD7F0E21E3FE2A8D8C1C0416021426EBA66E846E755169F84A1DA981D86502405DDF"); + + SignaturePairwiseConsistencyTest<ECDSA<EC2N, SHA1> >( + "302D020100301006072A8648CE3D020106052B8104000404163014020101040F0070337065E1E196980A9D00E37211"); + + SignaturePairwiseConsistencyTest<ECDSA<ECP, SHA1> >( + "3039020100301306072A8648CE3D020106082A8648CE3D030101041F301D02010104182BB8A13C8B867010BD9471D9E81FDB01ABD0538C64D6249A"); + + SignaturePairwiseConsistencyTest<RSASS<PSS, SHA1> >(keyRSA1); + } + catch (...) + { + g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_FAILED; + goto done; + } + + g_powerUpSelfTestStatus = POWER_UP_SELF_TEST_PASSED; + +done: + SetPowerUpSelfTestInProgressOnThisThread(false); + return; +} + +#ifdef CRYPTOPP_WIN32_AVAILABLE + +void DoDllPowerUpSelfTest() +{ + CryptoPP::DoPowerUpSelfTest(NULL, s_moduleMac); +} + +#else + +void DoDllPowerUpSelfTest() +{ + throw NotImplemented("DoDllPowerUpSelfTest() only available on Windows"); +} + +#endif // #ifdef CRYPTOPP_WIN32_AVAILABLE + +NAMESPACE_END + +#ifdef CRYPTOPP_WIN32_AVAILABLE + +// DllMain needs to be in the global namespace +BOOL APIENTRY DllMain(HANDLE hModule, + DWORD ul_reason_for_call, + LPVOID lpReserved) +{ + if (ul_reason_for_call == DLL_PROCESS_ATTACH) + { + CryptoPP::s_hModule = (HMODULE)hModule; + CryptoPP::DoDllPowerUpSelfTest(); + } + return TRUE; +} + +#endif // #ifdef CRYPTOPP_WIN32_AVAILABLE + +#endif // #ifndef CRYPTOPP_IMPORTS diff --git a/CryptoPP/fltrimpl.h b/CryptoPP/fltrimpl.h new file mode 100644 index 000000000..4087d7d9f --- /dev/null +++ b/CryptoPP/fltrimpl.h @@ -0,0 +1,67 @@ +#ifndef CRYPTOPP_FLTRIMPL_H +#define CRYPTOPP_FLTRIMPL_H + +#define FILTER_BEGIN \ + switch (m_continueAt) \ + { \ + case 0: \ + m_inputPosition = 0; + +#define FILTER_END_NO_MESSAGE_END_NO_RETURN \ + break; \ + default: \ + assert(false); \ + } + +#define FILTER_END_NO_MESSAGE_END \ + FILTER_END_NO_MESSAGE_END_NO_RETURN \ + return 0; + +/* +#define FILTER_END \ + case -1: \ + if (messageEnd && Output(-1, NULL, 0, messageEnd, blocking)) \ + return 1; \ + FILTER_END_NO_MESSAGE_END +*/ + +#define FILTER_OUTPUT3(site, statement, output, length, messageEnd, channel) \ + {\ + case site: \ + statement; \ + if (Output(site, output, length, messageEnd, blocking, channel)) \ + return STDMAX(size_t(1), length-m_inputPosition);\ + } + +#define FILTER_OUTPUT2(site, statement, output, length, messageEnd) \ + FILTER_OUTPUT3(site, statement, output, length, messageEnd, DEFAULT_CHANNEL) + +#define FILTER_OUTPUT(site, output, length, messageEnd) \ + FILTER_OUTPUT2(site, 0, output, length, messageEnd) + +#define FILTER_OUTPUT_BYTE(site, output) \ + FILTER_OUTPUT(site, &(const byte &)(byte)output, 1, 0) + +#define FILTER_OUTPUT2_MODIFIABLE(site, statement, output, length, messageEnd) \ + {\ + case site: \ + statement; \ + if (OutputModifiable(site, output, length, messageEnd, blocking)) \ + return STDMAX(size_t(1), length-m_inputPosition);\ + } + +#define FILTER_OUTPUT_MODIFIABLE(site, output, length, messageEnd) \ + FILTER_OUTPUT2_MODIFIABLE(site, 0, output, length, messageEnd) + +#define FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, statement, output, length, messageEnd, modifiable) \ + {\ + case site: \ + statement; \ + if (modifiable ? OutputModifiable(site, output, length, messageEnd, blocking) : Output(site, output, length, messageEnd, blocking)) \ + return STDMAX(size_t(1), length-m_inputPosition);\ + } + +#define FILTER_OUTPUT_MAYBE_MODIFIABLE(site, output, length, messageEnd, modifiable) \ + FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, 0, output, length, messageEnd, modifiable) + +#endif diff --git a/CryptoPP/gcm.cpp b/CryptoPP/gcm.cpp new file mode 100644 index 000000000..237325d9f --- /dev/null +++ b/CryptoPP/gcm.cpp @@ -0,0 +1,828 @@ +// gcm.cpp - written and placed in the public domain by Wei Dai
+
+// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM gcm.cpp" to generate MASM code
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+#ifndef CRYPTOPP_GENERATE_X64_MASM
+
+#include "gcm.h"
+#include "cpu.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+word16 GCM_Base::s_reductionTable[256];
+volatile bool GCM_Base::s_reductionTableInitialized = false;
+
+void GCM_Base::GCTR::IncrementCounterBy256()
+{
+ IncrementCounterByOne(m_counterArray+BlockSize()-4, 3);
+}
+
+#if 0
+// preserved for testing
+void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c)
+{
+ word64 Z0=0, Z1=0, V0, V1;
+
+ typedef BlockGetAndPut<word64, BigEndian> Block;
+ Block::Get(a)(V0)(V1);
+
+ for (int i=0; i<16; i++)
+ {
+ for (int j=0x80; j!=0; j>>=1)
+ {
+ int x = b[i] & j;
+ Z0 ^= x ? V0 : 0;
+ Z1 ^= x ? V1 : 0;
+ x = (int)V1 & 1;
+ V1 = (V1>>1) | (V0<<63);
+ V0 = (V0>>1) ^ (x ? W64LIT(0xe1) << 56 : 0);
+ }
+ }
+ Block::Put(NULL, c)(Z0)(Z1);
+}
+
+__m128i _mm_clmulepi64_si128(const __m128i &a, const __m128i &b, int i)
+{
+ word64 A[1] = {ByteReverse(((word64*)&a)[i&1])};
+ word64 B[1] = {ByteReverse(((word64*)&b)[i>>4])};
+
+ PolynomialMod2 pa((byte *)A, 8);
+ PolynomialMod2 pb((byte *)B, 8);
+ PolynomialMod2 c = pa*pb;
+
+ __m128i output;
+ for (int i=0; i<16; i++)
+ ((byte *)&output)[i] = c.GetByte(i);
+ return output;
+}
+#endif
+
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
+inline static void SSE2_Xor16(byte *a, const byte *b, const byte *c)
+{
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+ *(__m128i *)a = _mm_xor_si128(*(__m128i *)b, *(__m128i *)c);
+#else
+ asm ("movdqa %1, %%xmm0; pxor %2, %%xmm0; movdqa %%xmm0, %0;" : "=m" (a[0]) : "m"(b[0]), "m"(c[0]));
+#endif
+}
+#endif
+
+inline static void Xor16(byte *a, const byte *b, const byte *c)
+{
+ ((word64 *)a)[0] = ((word64 *)b)[0] ^ ((word64 *)c)[0];
+ ((word64 *)a)[1] = ((word64 *)b)[1] ^ ((word64 *)c)[1];
+}
+
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+static CRYPTOPP_ALIGN_DATA(16) const word64 s_clmulConstants64[] = {
+ W64LIT(0xe100000000000000), W64LIT(0xc200000000000000),
+ W64LIT(0x08090a0b0c0d0e0f), W64LIT(0x0001020304050607),
+ W64LIT(0x0001020304050607), W64LIT(0x08090a0b0c0d0e0f)};
+static const __m128i *s_clmulConstants = (const __m128i *)s_clmulConstants64;
+static const unsigned int s_clmulTableSizeInBlocks = 8;
+
+inline __m128i CLMUL_Reduce(__m128i c0, __m128i c1, __m128i c2, const __m128i &r)
+{
+ /*
+ The polynomial to be reduced is c0 * x^128 + c1 * x^64 + c2. c0t below refers to the most
+ significant half of c0 as a polynomial, which, due to GCM's bit reflection, are in the
+ rightmost bit positions, and the lowest byte addresses.
+
+ c1 ^= c0t * 0xc200000000000000
+ c2t ^= c0t
+ t = shift (c1t ^ c0b) left 1 bit
+ c2 ^= t * 0xe100000000000000
+ c2t ^= c1b
+ shift c2 left 1 bit and xor in lowest bit of c1t
+ */
+#if 0 // MSVC 2010 workaround: see http://connect.microsoft.com/VisualStudio/feedback/details/575301
+ c2 = _mm_xor_si128(c2, _mm_move_epi64(c0));
+#else
+ c1 = _mm_xor_si128(c1, _mm_slli_si128(c0, 8));
+#endif
+ c1 = _mm_xor_si128(c1, _mm_clmulepi64_si128(c0, r, 0x10));
+ c0 = _mm_srli_si128(c0, 8);
+ c0 = _mm_xor_si128(c0, c1);
+ c0 = _mm_slli_epi64(c0, 1);
+ c0 = _mm_clmulepi64_si128(c0, r, 0);
+ c2 = _mm_xor_si128(c2, c0);
+ c2 = _mm_xor_si128(c2, _mm_srli_si128(c1, 8));
+ c1 = _mm_unpacklo_epi64(c1, c2);
+ c1 = _mm_srli_epi64(c1, 63);
+ c2 = _mm_slli_epi64(c2, 1);
+ return _mm_xor_si128(c2, c1);
+}
+
+inline __m128i CLMUL_GF_Mul(const __m128i &x, const __m128i &h, const __m128i &r)
+{
+ __m128i c0 = _mm_clmulepi64_si128(x,h,0);
+ __m128i c1 = _mm_xor_si128(_mm_clmulepi64_si128(x,h,1), _mm_clmulepi64_si128(x,h,0x10));
+ __m128i c2 = _mm_clmulepi64_si128(x,h,0x11);
+
+ return CLMUL_Reduce(c0, c1, c2, r);
+}
+#endif
+
+void GCM_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms)
+{
+ BlockCipher &blockCipher = AccessBlockCipher();
+ blockCipher.SetKey(userKey, keylength, params);
+
+ if (blockCipher.BlockSize() != REQUIRED_BLOCKSIZE)
+ throw InvalidArgument(AlgorithmName() + ": block size of underlying block cipher is not 16");
+
+ int tableSize, i, j, k;
+
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+ if (HasCLMUL())
+ {
+ params.GetIntValue(Name::TableSize(), tableSize); // avoid "parameter not used" error
+ tableSize = s_clmulTableSizeInBlocks * REQUIRED_BLOCKSIZE;
+ }
+ else
+#endif
+ {
+ if (params.GetIntValue(Name::TableSize(), tableSize))
+ tableSize = (tableSize >= 64*1024) ? 64*1024 : 2*1024;
+ else
+ tableSize = (GetTablesOption() == GCM_64K_Tables) ? 64*1024 : 2*1024;
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1300 && _MSC_VER < 1400)
+ // VC 2003 workaround: compiler generates bad code for 64K tables
+ tableSize = 2*1024;
+#endif
+ }
+
+ m_buffer.resize(3*REQUIRED_BLOCKSIZE + tableSize);
+ byte *table = MulTable();
+ byte *hashKey = HashKey();
+ memset(hashKey, 0, REQUIRED_BLOCKSIZE);
+ blockCipher.ProcessBlock(hashKey);
+
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+ if (HasCLMUL())
+ {
+ const __m128i r = s_clmulConstants[0];
+ __m128i h0 = _mm_shuffle_epi8(_mm_load_si128((__m128i *)hashKey), s_clmulConstants[1]);
+ __m128i h = h0;
+
+ for (i=0; i<tableSize; i+=32)
+ {
+ __m128i h1 = CLMUL_GF_Mul(h, h0, r);
+ _mm_storel_epi64((__m128i *)(table+i), h);
+ _mm_storeu_si128((__m128i *)(table+i+16), h1);
+ _mm_storeu_si128((__m128i *)(table+i+8), h);
+ _mm_storel_epi64((__m128i *)(table+i+8), h1);
+ h = CLMUL_GF_Mul(h1, h0, r);
+ }
+
+ return;
+ }
+#endif
+
+ word64 V0, V1;
+ typedef BlockGetAndPut<word64, BigEndian> Block;
+ Block::Get(hashKey)(V0)(V1);
+
+ if (tableSize == 64*1024)
+ {
+ for (i=0; i<128; i++)
+ {
+ k = i%8;
+ Block::Put(NULL, table+(i/8)*256*16+(size_t(1)<<(11-k)))(V0)(V1);
+
+ int x = (int)V1 & 1;
+ V1 = (V1>>1) | (V0<<63);
+ V0 = (V0>>1) ^ (x ? W64LIT(0xe1) << 56 : 0);
+ }
+
+ for (i=0; i<16; i++)
+ {
+ memset(table+i*256*16, 0, 16);
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
+ if (HasSSE2())
+ for (j=2; j<=0x80; j*=2)
+ for (k=1; k<j; k++)
+ SSE2_Xor16(table+i*256*16+(j+k)*16, table+i*256*16+j*16, table+i*256*16+k*16);
+ else
+#endif
+ for (j=2; j<=0x80; j*=2)
+ for (k=1; k<j; k++)
+ Xor16(table+i*256*16+(j+k)*16, table+i*256*16+j*16, table+i*256*16+k*16);
+ }
+ }
+ else
+ {
+ if (!s_reductionTableInitialized)
+ {
+ s_reductionTable[0] = 0;
+ word16 x = 0x01c2;
+ s_reductionTable[1] = ByteReverse(x);
+ for (int i=2; i<=0x80; i*=2)
+ {
+ x <<= 1;
+ s_reductionTable[i] = ByteReverse(x);
+ for (int j=1; j<i; j++)
+ s_reductionTable[i+j] = s_reductionTable[i] ^ s_reductionTable[j];
+ }
+ s_reductionTableInitialized = true;
+ }
+
+ for (i=0; i<128-24; i++)
+ {
+ k = i%32;
+ if (k < 4)
+ Block::Put(NULL, table+1024+(i/32)*256+(size_t(1)<<(7-k)))(V0)(V1);
+ else if (k < 8)
+ Block::Put(NULL, table+(i/32)*256+(size_t(1)<<(11-k)))(V0)(V1);
+
+ int x = (int)V1 & 1;
+ V1 = (V1>>1) | (V0<<63);
+ V0 = (V0>>1) ^ (x ? W64LIT(0xe1) << 56 : 0);
+ }
+
+ for (i=0; i<4; i++)
+ {
+ memset(table+i*256, 0, 16);
+ memset(table+1024+i*256, 0, 16);
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
+ if (HasSSE2())
+ for (j=2; j<=8; j*=2)
+ for (k=1; k<j; k++)
+ {
+ SSE2_Xor16(table+i*256+(j+k)*16, table+i*256+j*16, table+i*256+k*16);
+ SSE2_Xor16(table+1024+i*256+(j+k)*16, table+1024+i*256+j*16, table+1024+i*256+k*16);
+ }
+ else
+#endif
+ for (j=2; j<=8; j*=2)
+ for (k=1; k<j; k++)
+ {
+ Xor16(table+i*256+(j+k)*16, table+i*256+j*16, table+i*256+k*16);
+ Xor16(table+1024+i*256+(j+k)*16, table+1024+i*256+j*16, table+1024+i*256+k*16);
+ }
+ }
+ }
+}
+
+inline void GCM_Base::ReverseHashBufferIfNeeded()
+{
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+ if (HasCLMUL())
+ {
+ __m128i &x = *(__m128i *)HashBuffer();
+ x = _mm_shuffle_epi8(x, s_clmulConstants[1]);
+ }
+#endif
+}
+
+void GCM_Base::Resync(const byte *iv, size_t len)
+{
+ BlockCipher &cipher = AccessBlockCipher();
+ byte *hashBuffer = HashBuffer();
+
+ if (len == 12)
+ {
+ memcpy(hashBuffer, iv, len);
+ memset(hashBuffer+len, 0, 3);
+ hashBuffer[len+3] = 1;
+ }
+ else
+ {
+ size_t origLen = len;
+ memset(hashBuffer, 0, HASH_BLOCKSIZE);
+
+ if (len >= HASH_BLOCKSIZE)
+ {
+ len = GCM_Base::AuthenticateBlocks(iv, len);
+ iv += (origLen - len);
+ }
+
+ if (len > 0)
+ {
+ memcpy(m_buffer, iv, len);
+ memset(m_buffer+len, 0, HASH_BLOCKSIZE-len);
+ GCM_Base::AuthenticateBlocks(m_buffer, HASH_BLOCKSIZE);
+ }
+
+ PutBlock<word64, BigEndian, true>(NULL, m_buffer)(0)(origLen*8);
+ GCM_Base::AuthenticateBlocks(m_buffer, HASH_BLOCKSIZE);
+
+ ReverseHashBufferIfNeeded();
+ }
+
+ if (m_state >= State_IVSet)
+ m_ctr.Resynchronize(hashBuffer, REQUIRED_BLOCKSIZE);
+ else
+ m_ctr.SetCipherWithIV(cipher, hashBuffer);
+
+ m_ctr.Seek(HASH_BLOCKSIZE);
+
+ memset(hashBuffer, 0, HASH_BLOCKSIZE);
+}
+
+unsigned int GCM_Base::OptimalDataAlignment() const
+{
+ return
+#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
+ HasSSE2() ? 16 :
+#endif
+ GetBlockCipher().OptimalDataAlignment();
+}
+
+#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code
+
+#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
+
+#ifdef CRYPTOPP_X64_MASM_AVAILABLE
+extern "C" {
+void GCM_AuthenticateBlocks_2K(const byte *data, size_t blocks, word64 *hashBuffer, const word16 *reductionTable);
+void GCM_AuthenticateBlocks_64K(const byte *data, size_t blocks, word64 *hashBuffer);
+}
+#endif
+
+#ifndef CRYPTOPP_GENERATE_X64_MASM
+
+size_t GCM_Base::AuthenticateBlocks(const byte *data, size_t len)
+{
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+ if (HasCLMUL())
+ {
+ const __m128i *table = (const __m128i *)MulTable();
+ __m128i x = _mm_load_si128((__m128i *)HashBuffer());
+ const __m128i r = s_clmulConstants[0], bswapMask = s_clmulConstants[1], bswapMask2 = s_clmulConstants[2];
+
+ while (len >= 16)
+ {
+ size_t s = UnsignedMin(len/16, s_clmulTableSizeInBlocks), i=0;
+ __m128i d, d2 = _mm_shuffle_epi8(_mm_loadu_si128((const __m128i *)(data+(s-1)*16)), bswapMask2);;
+ __m128i c0 = _mm_setzero_si128();
+ __m128i c1 = _mm_setzero_si128();
+ __m128i c2 = _mm_setzero_si128();
+
+ while (true)
+ {
+ __m128i h0 = _mm_load_si128(table+i);
+ __m128i h1 = _mm_load_si128(table+i+1);
+ __m128i h01 = _mm_xor_si128(h0, h1);
+
+ if (++i == s)
+ {
+ d = _mm_shuffle_epi8(_mm_loadu_si128((const __m128i *)data), bswapMask);
+ d = _mm_xor_si128(d, x);
+ c0 = _mm_xor_si128(c0, _mm_clmulepi64_si128(d, h0, 0));
+ c2 = _mm_xor_si128(c2, _mm_clmulepi64_si128(d, h1, 1));
+ d = _mm_xor_si128(d, _mm_shuffle_epi32(d, _MM_SHUFFLE(1, 0, 3, 2)));
+ c1 = _mm_xor_si128(c1, _mm_clmulepi64_si128(d, h01, 0));
+ break;
+ }
+
+ d = _mm_shuffle_epi8(_mm_loadu_si128((const __m128i *)(data+(s-i)*16-8)), bswapMask2);
+ c0 = _mm_xor_si128(c0, _mm_clmulepi64_si128(d2, h0, 1));
+ c2 = _mm_xor_si128(c2, _mm_clmulepi64_si128(d, h1, 1));
+ d2 = _mm_xor_si128(d2, d);
+ c1 = _mm_xor_si128(c1, _mm_clmulepi64_si128(d2, h01, 1));
+
+ if (++i == s)
+ {
+ d = _mm_shuffle_epi8(_mm_loadu_si128((const __m128i *)data), bswapMask);
+ d = _mm_xor_si128(d, x);
+ c0 = _mm_xor_si128(c0, _mm_clmulepi64_si128(d, h0, 0x10));
+ c2 = _mm_xor_si128(c2, _mm_clmulepi64_si128(d, h1, 0x11));
+ d = _mm_xor_si128(d, _mm_shuffle_epi32(d, _MM_SHUFFLE(1, 0, 3, 2)));
+ c1 = _mm_xor_si128(c1, _mm_clmulepi64_si128(d, h01, 0x10));
+ break;
+ }
+
+ d2 = _mm_shuffle_epi8(_mm_loadu_si128((const __m128i *)(data+(s-i)*16-8)), bswapMask);
+ c0 = _mm_xor_si128(c0, _mm_clmulepi64_si128(d, h0, 0x10));
+ c2 = _mm_xor_si128(c2, _mm_clmulepi64_si128(d2, h1, 0x10));
+ d = _mm_xor_si128(d, d2);
+ c1 = _mm_xor_si128(c1, _mm_clmulepi64_si128(d, h01, 0x10));
+ }
+ data += s*16;
+ len -= s*16;
+
+ c1 = _mm_xor_si128(_mm_xor_si128(c1, c0), c2);
+ x = CLMUL_Reduce(c0, c1, c2, r);
+ }
+
+ _mm_store_si128((__m128i *)HashBuffer(), x);
+ return len;
+ }
+#endif
+
+ typedef BlockGetAndPut<word64, NativeByteOrder> Block;
+ word64 *hashBuffer = (word64 *)HashBuffer();
+
+ switch (2*(m_buffer.size()>=64*1024)
+#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
+ + HasSSE2()
+#endif
+ )
+ {
+ case 0: // non-SSE2 and 2K tables
+ {
+ byte *table = MulTable();
+ word64 x0 = hashBuffer[0], x1 = hashBuffer[1];
+
+ do
+ {
+ word64 y0, y1, a0, a1, b0, b1, c0, c1, d0, d1;
+ Block::Get(data)(y0)(y1);
+ x0 ^= y0;
+ x1 ^= y1;
+
+ data += HASH_BLOCKSIZE;
+ len -= HASH_BLOCKSIZE;
+
+ #define READ_TABLE_WORD64_COMMON(a, b, c, d) *(word64 *)(table+(a*1024)+(b*256)+c+d*8)
+
+ #ifdef IS_LITTLE_ENDIAN
+ #if CRYPTOPP_BOOL_SLOW_WORD64
+ word32 z0 = (word32)x0;
+ word32 z1 = (word32)(x0>>32);
+ word32 z2 = (word32)x1;
+ word32 z3 = (word32)(x1>>32);
+ #define READ_TABLE_WORD64(a, b, c, d, e) READ_TABLE_WORD64_COMMON((d%2), c, (d?(z##c>>((d?d-1:0)*4))&0xf0:(z##c&0xf)<<4), e)
+ #else
+ #define READ_TABLE_WORD64(a, b, c, d, e) READ_TABLE_WORD64_COMMON((d%2), c, ((d+8*b)?(x##a>>(((d+8*b)?(d+8*b)-1:1)*4))&0xf0:(x##a&0xf)<<4), e)
+ #endif
+ #define GF_MOST_SIG_8BITS(a) (a##1 >> 7*8)
+ #define GF_SHIFT_8(a) a##1 = (a##1 << 8) ^ (a##0 >> 7*8); a##0 <<= 8;
+ #else
+ #define READ_TABLE_WORD64(a, b, c, d, e) READ_TABLE_WORD64_COMMON((1-d%2), c, ((15-d-8*b)?(x##a>>(((15-d-8*b)?(15-d-8*b)-1:0)*4))&0xf0:(x##a&0xf)<<4), e)
+ #define GF_MOST_SIG_8BITS(a) (a##1 & 0xff)
+ #define GF_SHIFT_8(a) a##1 = (a##1 >> 8) ^ (a##0 << 7*8); a##0 >>= 8;
+ #endif
+
+ #define GF_MUL_32BY128(op, a, b, c) \
+ a0 op READ_TABLE_WORD64(a, b, c, 0, 0) ^ READ_TABLE_WORD64(a, b, c, 1, 0);\
+ a1 op READ_TABLE_WORD64(a, b, c, 0, 1) ^ READ_TABLE_WORD64(a, b, c, 1, 1);\
+ b0 op READ_TABLE_WORD64(a, b, c, 2, 0) ^ READ_TABLE_WORD64(a, b, c, 3, 0);\
+ b1 op READ_TABLE_WORD64(a, b, c, 2, 1) ^ READ_TABLE_WORD64(a, b, c, 3, 1);\
+ c0 op READ_TABLE_WORD64(a, b, c, 4, 0) ^ READ_TABLE_WORD64(a, b, c, 5, 0);\
+ c1 op READ_TABLE_WORD64(a, b, c, 4, 1) ^ READ_TABLE_WORD64(a, b, c, 5, 1);\
+ d0 op READ_TABLE_WORD64(a, b, c, 6, 0) ^ READ_TABLE_WORD64(a, b, c, 7, 0);\
+ d1 op READ_TABLE_WORD64(a, b, c, 6, 1) ^ READ_TABLE_WORD64(a, b, c, 7, 1);\
+
+ GF_MUL_32BY128(=, 0, 0, 0)
+ GF_MUL_32BY128(^=, 0, 1, 1)
+ GF_MUL_32BY128(^=, 1, 0, 2)
+ GF_MUL_32BY128(^=, 1, 1, 3)
+
+ word32 r = (word32)s_reductionTable[GF_MOST_SIG_8BITS(d)] << 16;
+ GF_SHIFT_8(d)
+ c0 ^= d0; c1 ^= d1;
+ r ^= (word32)s_reductionTable[GF_MOST_SIG_8BITS(c)] << 8;
+ GF_SHIFT_8(c)
+ b0 ^= c0; b1 ^= c1;
+ r ^= s_reductionTable[GF_MOST_SIG_8BITS(b)];
+ GF_SHIFT_8(b)
+ a0 ^= b0; a1 ^= b1;
+ a0 ^= ConditionalByteReverse<word64>(LITTLE_ENDIAN_ORDER, r);
+ x0 = a0; x1 = a1;
+ }
+ while (len >= HASH_BLOCKSIZE);
+
+ hashBuffer[0] = x0; hashBuffer[1] = x1;
+ return len;
+ }
+
+ case 2: // non-SSE2 and 64K tables
+ {
+ byte *table = MulTable();
+ word64 x0 = hashBuffer[0], x1 = hashBuffer[1];
+
+ do
+ {
+ word64 y0, y1, a0, a1;
+ Block::Get(data)(y0)(y1);
+ x0 ^= y0;
+ x1 ^= y1;
+
+ data += HASH_BLOCKSIZE;
+ len -= HASH_BLOCKSIZE;
+
+ #undef READ_TABLE_WORD64_COMMON
+ #undef READ_TABLE_WORD64
+
+ #define READ_TABLE_WORD64_COMMON(a, c, d) *(word64 *)(table+(a)*256*16+(c)+(d)*8)
+
+ #ifdef IS_LITTLE_ENDIAN
+ #if CRYPTOPP_BOOL_SLOW_WORD64
+ word32 z0 = (word32)x0;
+ word32 z1 = (word32)(x0>>32);
+ word32 z2 = (word32)x1;
+ word32 z3 = (word32)(x1>>32);
+ #define READ_TABLE_WORD64(b, c, d, e) READ_TABLE_WORD64_COMMON(c*4+d, (d?(z##c>>((d?d:1)*8-4))&0xff0:(z##c&0xff)<<4), e)
+ #else
+ #define READ_TABLE_WORD64(b, c, d, e) READ_TABLE_WORD64_COMMON(c*4+d, ((d+4*(c%2))?(x##b>>(((d+4*(c%2))?(d+4*(c%2)):1)*8-4))&0xff0:(x##b&0xff)<<4), e)
+ #endif
+ #else
+ #define READ_TABLE_WORD64(b, c, d, e) READ_TABLE_WORD64_COMMON(c*4+d, ((7-d-4*(c%2))?(x##b>>(((7-d-4*(c%2))?(7-d-4*(c%2)):1)*8-4))&0xff0:(x##b&0xff)<<4), e)
+ #endif
+
+ #define GF_MUL_8BY128(op, b, c, d) \
+ a0 op READ_TABLE_WORD64(b, c, d, 0);\
+ a1 op READ_TABLE_WORD64(b, c, d, 1);\
+
+ GF_MUL_8BY128(=, 0, 0, 0)
+ GF_MUL_8BY128(^=, 0, 0, 1)
+ GF_MUL_8BY128(^=, 0, 0, 2)
+ GF_MUL_8BY128(^=, 0, 0, 3)
+ GF_MUL_8BY128(^=, 0, 1, 0)
+ GF_MUL_8BY128(^=, 0, 1, 1)
+ GF_MUL_8BY128(^=, 0, 1, 2)
+ GF_MUL_8BY128(^=, 0, 1, 3)
+ GF_MUL_8BY128(^=, 1, 2, 0)
+ GF_MUL_8BY128(^=, 1, 2, 1)
+ GF_MUL_8BY128(^=, 1, 2, 2)
+ GF_MUL_8BY128(^=, 1, 2, 3)
+ GF_MUL_8BY128(^=, 1, 3, 0)
+ GF_MUL_8BY128(^=, 1, 3, 1)
+ GF_MUL_8BY128(^=, 1, 3, 2)
+ GF_MUL_8BY128(^=, 1, 3, 3)
+
+ x0 = a0; x1 = a1;
+ }
+ while (len >= HASH_BLOCKSIZE);
+
+ hashBuffer[0] = x0; hashBuffer[1] = x1;
+ return len;
+ }
+#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
+
+#ifdef CRYPTOPP_X64_MASM_AVAILABLE
+ case 1: // SSE2 and 2K tables
+ GCM_AuthenticateBlocks_2K(data, len/16, hashBuffer, s_reductionTable);
+ return len % 16;
+ case 3: // SSE2 and 64K tables
+ GCM_AuthenticateBlocks_64K(data, len/16, hashBuffer);
+ return len % 16;
+#endif
+
+#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
+ case 1: // SSE2 and 2K tables
+ {
+ #ifdef __GNUC__
+ __asm__ __volatile__
+ (
+ ".intel_syntax noprefix;"
+ #elif defined(CRYPTOPP_GENERATE_X64_MASM)
+ ALIGN 8
+ GCM_AuthenticateBlocks_2K PROC FRAME
+ rex_push_reg rsi
+ push_reg rdi
+ push_reg rbx
+ .endprolog
+ mov rsi, r8
+ mov r11, r9
+ #else
+ AS2( mov WORD_REG(cx), data )
+ AS2( mov WORD_REG(dx), len )
+ AS2( mov WORD_REG(si), hashBuffer )
+ AS2( shr WORD_REG(dx), 4 )
+ #endif
+
+ AS_PUSH_IF86( bx)
+ AS_PUSH_IF86( bp)
+
+ #ifdef __GNUC__
+ AS2( mov AS_REG_7, WORD_REG(di))
+ #elif CRYPTOPP_BOOL_X86
+ AS2( lea AS_REG_7, s_reductionTable)
+ #endif
+
+ AS2( movdqa xmm0, [WORD_REG(si)] )
+
+ #define MUL_TABLE_0 WORD_REG(si) + 32
+ #define MUL_TABLE_1 WORD_REG(si) + 32 + 1024
+ #define RED_TABLE AS_REG_7
+
+ ASL(0)
+ AS2( movdqu xmm4, [WORD_REG(cx)] )
+ AS2( pxor xmm0, xmm4 )
+
+ AS2( movd ebx, xmm0 )
+ AS2( mov eax, AS_HEX(f0f0f0f0) )
+ AS2( and eax, ebx )
+ AS2( shl ebx, 4 )
+ AS2( and ebx, AS_HEX(f0f0f0f0) )
+ AS2( movzx edi, ah )
+ AS2( movdqa xmm5, XMMWORD_PTR [MUL_TABLE_1 + WORD_REG(di)] )
+ AS2( movzx edi, al )
+ AS2( movdqa xmm4, XMMWORD_PTR [MUL_TABLE_1 + WORD_REG(di)] )
+ AS2( shr eax, 16 )
+ AS2( movzx edi, ah )
+ AS2( movdqa xmm3, XMMWORD_PTR [MUL_TABLE_1 + WORD_REG(di)] )
+ AS2( movzx edi, al )
+ AS2( movdqa xmm2, XMMWORD_PTR [MUL_TABLE_1 + WORD_REG(di)] )
+
+ #define SSE2_MUL_32BITS(i) \
+ AS2( psrldq xmm0, 4 )\
+ AS2( movd eax, xmm0 )\
+ AS2( and eax, AS_HEX(f0f0f0f0) )\
+ AS2( movzx edi, bh )\
+ AS2( pxor xmm5, XMMWORD_PTR [MUL_TABLE_0 + (i-1)*256 + WORD_REG(di)] )\
+ AS2( movzx edi, bl )\
+ AS2( pxor xmm4, XMMWORD_PTR [MUL_TABLE_0 + (i-1)*256 + WORD_REG(di)] )\
+ AS2( shr ebx, 16 )\
+ AS2( movzx edi, bh )\
+ AS2( pxor xmm3, XMMWORD_PTR [MUL_TABLE_0 + (i-1)*256 + WORD_REG(di)] )\
+ AS2( movzx edi, bl )\
+ AS2( pxor xmm2, XMMWORD_PTR [MUL_TABLE_0 + (i-1)*256 + WORD_REG(di)] )\
+ AS2( movd ebx, xmm0 )\
+ AS2( shl ebx, 4 )\
+ AS2( and ebx, AS_HEX(f0f0f0f0) )\
+ AS2( movzx edi, ah )\
+ AS2( pxor xmm5, XMMWORD_PTR [MUL_TABLE_1 + i*256 + WORD_REG(di)] )\
+ AS2( movzx edi, al )\
+ AS2( pxor xmm4, XMMWORD_PTR [MUL_TABLE_1 + i*256 + WORD_REG(di)] )\
+ AS2( shr eax, 16 )\
+ AS2( movzx edi, ah )\
+ AS2( pxor xmm3, XMMWORD_PTR [MUL_TABLE_1 + i*256 + WORD_REG(di)] )\
+ AS2( movzx edi, al )\
+ AS2( pxor xmm2, XMMWORD_PTR [MUL_TABLE_1 + i*256 + WORD_REG(di)] )\
+
+ SSE2_MUL_32BITS(1)
+ SSE2_MUL_32BITS(2)
+ SSE2_MUL_32BITS(3)
+
+ AS2( movzx edi, bh )
+ AS2( pxor xmm5, XMMWORD_PTR [MUL_TABLE_0 + 3*256 + WORD_REG(di)] )
+ AS2( movzx edi, bl )
+ AS2( pxor xmm4, XMMWORD_PTR [MUL_TABLE_0 + 3*256 + WORD_REG(di)] )
+ AS2( shr ebx, 16 )
+ AS2( movzx edi, bh )
+ AS2( pxor xmm3, XMMWORD_PTR [MUL_TABLE_0 + 3*256 + WORD_REG(di)] )
+ AS2( movzx edi, bl )
+ AS2( pxor xmm2, XMMWORD_PTR [MUL_TABLE_0 + 3*256 + WORD_REG(di)] )
+
+ AS2( movdqa xmm0, xmm3 )
+ AS2( pslldq xmm3, 1 )
+ AS2( pxor xmm2, xmm3 )
+ AS2( movdqa xmm1, xmm2 )
+ AS2( pslldq xmm2, 1 )
+ AS2( pxor xmm5, xmm2 )
+
+ AS2( psrldq xmm0, 15 )
+ AS2( movd WORD_REG(di), xmm0 )
+ AS2( movzx eax, WORD PTR [RED_TABLE + WORD_REG(di)*2] )
+ AS2( shl eax, 8 )
+
+ AS2( movdqa xmm0, xmm5 )
+ AS2( pslldq xmm5, 1 )
+ AS2( pxor xmm4, xmm5 )
+
+ AS2( psrldq xmm1, 15 )
+ AS2( movd WORD_REG(di), xmm1 )
+ AS2( xor ax, WORD PTR [RED_TABLE + WORD_REG(di)*2] )
+ AS2( shl eax, 8 )
+
+ AS2( psrldq xmm0, 15 )
+ AS2( movd WORD_REG(di), xmm0 )
+ AS2( xor ax, WORD PTR [RED_TABLE + WORD_REG(di)*2] )
+
+ AS2( movd xmm0, eax )
+ AS2( pxor xmm0, xmm4 )
+
+ AS2( add WORD_REG(cx), 16 )
+ AS2( sub WORD_REG(dx), 1 )
+ ASJ( jnz, 0, b )
+ AS2( movdqa [WORD_REG(si)], xmm0 )
+
+ AS_POP_IF86( bp)
+ AS_POP_IF86( bx)
+
+ #ifdef __GNUC__
+ ".att_syntax prefix;"
+ :
+ : "c" (data), "d" (len/16), "S" (hashBuffer), "D" (s_reductionTable)
+ : "memory", "cc", "%eax"
+ #if CRYPTOPP_BOOL_X64
+ , "%ebx", "%r11"
+ #endif
+ );
+ #elif defined(CRYPTOPP_GENERATE_X64_MASM)
+ pop rbx
+ pop rdi
+ pop rsi
+ ret
+ GCM_AuthenticateBlocks_2K ENDP
+ #endif
+
+ return len%16;
+ }
+ case 3: // SSE2 and 64K tables
+ {
+ #ifdef __GNUC__
+ __asm__ __volatile__
+ (
+ ".intel_syntax noprefix;"
+ #elif defined(CRYPTOPP_GENERATE_X64_MASM)
+ ALIGN 8
+ GCM_AuthenticateBlocks_64K PROC FRAME
+ rex_push_reg rsi
+ push_reg rdi
+ .endprolog
+ mov rsi, r8
+ #else
+ AS2( mov WORD_REG(cx), data )
+ AS2( mov WORD_REG(dx), len )
+ AS2( mov WORD_REG(si), hashBuffer )
+ AS2( shr WORD_REG(dx), 4 )
+ #endif
+
+ AS2( movdqa xmm0, [WORD_REG(si)] )
+
+ #undef MUL_TABLE
+ #define MUL_TABLE(i,j) WORD_REG(si) + 32 + (i*4+j)*256*16
+
+ ASL(1)
+ AS2( movdqu xmm1, [WORD_REG(cx)] )
+ AS2( pxor xmm1, xmm0 )
+ AS2( pxor xmm0, xmm0 )
+
+ #undef SSE2_MUL_32BITS
+ #define SSE2_MUL_32BITS(i) \
+ AS2( movd eax, xmm1 )\
+ AS2( psrldq xmm1, 4 )\
+ AS2( movzx edi, al )\
+ AS2( add WORD_REG(di), WORD_REG(di) )\
+ AS2( pxor xmm0, [MUL_TABLE(i,0) + WORD_REG(di)*8] )\
+ AS2( movzx edi, ah )\
+ AS2( add WORD_REG(di), WORD_REG(di) )\
+ AS2( pxor xmm0, [MUL_TABLE(i,1) + WORD_REG(di)*8] )\
+ AS2( shr eax, 16 )\
+ AS2( movzx edi, al )\
+ AS2( add WORD_REG(di), WORD_REG(di) )\
+ AS2( pxor xmm0, [MUL_TABLE(i,2) + WORD_REG(di)*8] )\
+ AS2( movzx edi, ah )\
+ AS2( add WORD_REG(di), WORD_REG(di) )\
+ AS2( pxor xmm0, [MUL_TABLE(i,3) + WORD_REG(di)*8] )\
+
+ SSE2_MUL_32BITS(0)
+ SSE2_MUL_32BITS(1)
+ SSE2_MUL_32BITS(2)
+ SSE2_MUL_32BITS(3)
+
+ AS2( add WORD_REG(cx), 16 )
+ AS2( sub WORD_REG(dx), 1 )
+ ASJ( jnz, 1, b )
+ AS2( movdqa [WORD_REG(si)], xmm0 )
+
+ #ifdef __GNUC__
+ ".att_syntax prefix;"
+ :
+ : "c" (data), "d" (len/16), "S" (hashBuffer)
+ : "memory", "cc", "%edi", "%eax"
+ );
+ #elif defined(CRYPTOPP_GENERATE_X64_MASM)
+ pop rdi
+ pop rsi
+ ret
+ GCM_AuthenticateBlocks_64K ENDP
+ #endif
+
+ return len%16;
+ }
+#endif
+#ifndef CRYPTOPP_GENERATE_X64_MASM
+ }
+
+ return len%16;
+}
+
+void GCM_Base::AuthenticateLastHeaderBlock()
+{
+ if (m_bufferedDataLength > 0)
+ {
+ memset(m_buffer+m_bufferedDataLength, 0, HASH_BLOCKSIZE-m_bufferedDataLength);
+ m_bufferedDataLength = 0;
+ GCM_Base::AuthenticateBlocks(m_buffer, HASH_BLOCKSIZE);
+ }
+}
+
+void GCM_Base::AuthenticateLastConfidentialBlock()
+{
+ GCM_Base::AuthenticateLastHeaderBlock();
+ PutBlock<word64, BigEndian, true>(NULL, m_buffer)(m_totalHeaderLength*8)(m_totalMessageLength*8);
+ GCM_Base::AuthenticateBlocks(m_buffer, HASH_BLOCKSIZE);
+}
+
+void GCM_Base::AuthenticateLastFooterBlock(byte *mac, size_t macSize)
+{
+ m_ctr.Seek(0);
+ ReverseHashBufferIfNeeded();
+ m_ctr.ProcessData(mac, HashBuffer(), macSize);
+}
+
+NAMESPACE_END
+
+#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM
+#endif
diff --git a/CryptoPP/gcm.h b/CryptoPP/gcm.h new file mode 100644 index 000000000..0b32524f9 --- /dev/null +++ b/CryptoPP/gcm.h @@ -0,0 +1,106 @@ +#ifndef CRYPTOPP_GCM_H
+#define CRYPTOPP_GCM_H
+
+#include "authenc.h"
+#include "modes.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! .
+enum GCM_TablesOption {GCM_2K_Tables, GCM_64K_Tables};
+
+//! .
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE GCM_Base : public AuthenticatedSymmetricCipherBase
+{
+public:
+ // AuthenticatedSymmetricCipher
+ std::string AlgorithmName() const
+ {return GetBlockCipher().AlgorithmName() + std::string("/GCM");}
+ size_t MinKeyLength() const
+ {return GetBlockCipher().MinKeyLength();}
+ size_t MaxKeyLength() const
+ {return GetBlockCipher().MaxKeyLength();}
+ size_t DefaultKeyLength() const
+ {return GetBlockCipher().DefaultKeyLength();}
+ size_t GetValidKeyLength(size_t n) const
+ {return GetBlockCipher().GetValidKeyLength(n);}
+ bool IsValidKeyLength(size_t n) const
+ {return GetBlockCipher().IsValidKeyLength(n);}
+ unsigned int OptimalDataAlignment() const;
+ IV_Requirement IVRequirement() const
+ {return UNIQUE_IV;}
+ unsigned int IVSize() const
+ {return 12;}
+ unsigned int MinIVLength() const
+ {return 1;}
+ unsigned int MaxIVLength() const
+ {return UINT_MAX;} // (W64LIT(1)<<61)-1 in the standard
+ unsigned int DigestSize() const
+ {return 16;}
+ lword MaxHeaderLength() const
+ {return (W64LIT(1)<<61)-1;}
+ lword MaxMessageLength() const
+ {return ((W64LIT(1)<<39)-256)/8;}
+
+protected:
+ // AuthenticatedSymmetricCipherBase
+ bool AuthenticationIsOnPlaintext() const
+ {return false;}
+ unsigned int AuthenticationBlockSize() const
+ {return HASH_BLOCKSIZE;}
+ void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs ¶ms);
+ void Resync(const byte *iv, size_t len);
+ size_t AuthenticateBlocks(const byte *data, size_t len);
+ void AuthenticateLastHeaderBlock();
+ void AuthenticateLastConfidentialBlock();
+ void AuthenticateLastFooterBlock(byte *mac, size_t macSize);
+ SymmetricCipher & AccessSymmetricCipher() {return m_ctr;}
+
+ virtual BlockCipher & AccessBlockCipher() =0;
+ virtual GCM_TablesOption GetTablesOption() const =0;
+
+ const BlockCipher & GetBlockCipher() const {return const_cast<GCM_Base *>(this)->AccessBlockCipher();};
+ byte *HashBuffer() {return m_buffer+REQUIRED_BLOCKSIZE;}
+ byte *HashKey() {return m_buffer+2*REQUIRED_BLOCKSIZE;}
+ byte *MulTable() {return m_buffer+3*REQUIRED_BLOCKSIZE;}
+ inline void ReverseHashBufferIfNeeded();
+
+ class CRYPTOPP_DLL GCTR : public CTR_Mode_ExternalCipher::Encryption
+ {
+ protected:
+ void IncrementCounterBy256();
+ };
+
+ GCTR m_ctr;
+ static word16 s_reductionTable[256];
+ static volatile bool s_reductionTableInitialized;
+ enum {REQUIRED_BLOCKSIZE = 16, HASH_BLOCKSIZE = 16};
+};
+
+//! .
+template <class T_BlockCipher, GCM_TablesOption T_TablesOption, bool T_IsEncryption>
+class GCM_Final : public GCM_Base
+{
+public:
+ static std::string StaticAlgorithmName()
+ {return T_BlockCipher::StaticAlgorithmName() + std::string("/GCM");}
+ bool IsForwardTransformation() const
+ {return T_IsEncryption;}
+
+private:
+ GCM_TablesOption GetTablesOption() const {return T_TablesOption;}
+ BlockCipher & AccessBlockCipher() {return m_cipher;}
+ typename T_BlockCipher::Encryption m_cipher;
+};
+
+//! <a href="http://www.cryptolounge.org/wiki/GCM">GCM</a>
+template <class T_BlockCipher, GCM_TablesOption T_TablesOption=GCM_2K_Tables>
+struct GCM : public AuthenticatedSymmetricCipherDocumentation
+{
+ typedef GCM_Final<T_BlockCipher, T_TablesOption, true> Encryption;
+ typedef GCM_Final<T_BlockCipher, T_TablesOption, false> Decryption;
+};
+
+NAMESPACE_END
+
+#endif
diff --git a/CryptoPP/gf256.cpp b/CryptoPP/gf256.cpp new file mode 100644 index 000000000..72026d1e1 --- /dev/null +++ b/CryptoPP/gf256.cpp @@ -0,0 +1,34 @@ +// gf256.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "gf256.h" + +NAMESPACE_BEGIN(CryptoPP) + +GF256::Element GF256::Multiply(Element a, Element b) const +{ + word result = 0, t = b; + + for (unsigned int i=0; i<8; i++) + { + result <<= 1; + if (result & 0x100) + result ^= m_modulus; + + t <<= 1; + if (t & 0x100) + result ^= a; + } + + return (GF256::Element) result; +} + +GF256::Element GF256::MultiplicativeInverse(Element a) const +{ + Element result = a; + for (int i=1; i<7; i++) + result = Multiply(Square(result), a); + return Square(result); +} + +NAMESPACE_END diff --git a/CryptoPP/gf256.h b/CryptoPP/gf256.h new file mode 100644 index 000000000..e0ea74826 --- /dev/null +++ b/CryptoPP/gf256.h @@ -0,0 +1,66 @@ +#ifndef CRYPTOPP_GF256_H +#define CRYPTOPP_GF256_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! GF(256) with polynomial basis +class GF256 +{ +public: + typedef byte Element; + typedef int RandomizationParameter; + + GF256(byte modulus) : m_modulus(modulus) {} + + Element RandomElement(RandomNumberGenerator &rng, int ignored = 0) const + {return rng.GenerateByte();} + + bool Equal(Element a, Element b) const + {return a==b;} + + Element Zero() const + {return 0;} + + Element Add(Element a, Element b) const + {return a^b;} + + Element& Accumulate(Element &a, Element b) const + {return a^=b;} + + Element Inverse(Element a) const + {return a;} + + Element Subtract(Element a, Element b) const + {return a^b;} + + Element& Reduce(Element &a, Element b) const + {return a^=b;} + + Element Double(Element a) const + {return 0;} + + Element One() const + {return 1;} + + Element Multiply(Element a, Element b) const; + + Element Square(Element a) const + {return Multiply(a, a);} + + bool IsUnit(Element a) const + {return a != 0;} + + Element MultiplicativeInverse(Element a) const; + + Element Divide(Element a, Element b) const + {return Multiply(a, MultiplicativeInverse(b));} + +private: + word m_modulus; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gf2_32.cpp b/CryptoPP/gf2_32.cpp new file mode 100644 index 000000000..ae4874a40 --- /dev/null +++ b/CryptoPP/gf2_32.cpp @@ -0,0 +1,99 @@ +// gf2_32.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "misc.h" +#include "gf2_32.h" + +NAMESPACE_BEGIN(CryptoPP) + +GF2_32::Element GF2_32::Multiply(Element a, Element b) const +{ + word32 table[4]; + table[0] = 0; + table[1] = m_modulus; + if (a & 0x80000000) + { + table[2] = m_modulus ^ (a<<1); + table[3] = a<<1; + } + else + { + table[2] = a<<1; + table[3] = m_modulus ^ (a<<1); + } + +#if CRYPTOPP_FAST_ROTATE(32) + b = rotrFixed(b, 30U); + word32 result = table[b&2]; + + for (int i=29; i>=0; --i) + { + b = rotlFixed(b, 1U); + result = (result<<1) ^ table[(b&2) + (result>>31)]; + } + + return (b&1) ? result ^ a : result; +#else + word32 result = table[(b>>30) & 2]; + + for (int i=29; i>=0; --i) + result = (result<<1) ^ table[((b>>i)&2) + (result>>31)]; + + return (b&1) ? result ^ a : result; +#endif +} + +GF2_32::Element GF2_32::MultiplicativeInverse(Element a) const +{ + if (a <= 1) // 1 is a special case + return a; + + // warning - don't try to adapt this algorithm for another situation + word32 g0=m_modulus, g1=a, g2=a; + word32 v0=0, v1=1, v2=1; + + assert(g1); + + while (!(g2 & 0x80000000)) + { + g2 <<= 1; + v2 <<= 1; + } + + g2 <<= 1; + v2 <<= 1; + + g0 ^= g2; + v0 ^= v2; + + while (g0 != 1) + { + if (g1 < g0 || ((g0^g1) < g0 && (g0^g1) < g1)) + { + assert(BitPrecision(g1) <= BitPrecision(g0)); + g2 = g1; + v2 = v1; + } + else + { + assert(BitPrecision(g1) > BitPrecision(g0)); + g2 = g0; g0 = g1; g1 = g2; + v2 = v0; v0 = v1; v1 = v2; + } + + while ((g0^g2) >= g2) + { + assert(BitPrecision(g0) > BitPrecision(g2)); + g2 <<= 1; + v2 <<= 1; + } + + assert(BitPrecision(g0) == BitPrecision(g2)); + g0 ^= g2; + v0 ^= v2; + } + + return v0; +} + +NAMESPACE_END diff --git a/CryptoPP/gf2_32.h b/CryptoPP/gf2_32.h new file mode 100644 index 000000000..31713f4c0 --- /dev/null +++ b/CryptoPP/gf2_32.h @@ -0,0 +1,66 @@ +#ifndef CRYPTOPP_GF2_32_H +#define CRYPTOPP_GF2_32_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! GF(2^32) with polynomial basis +class GF2_32 +{ +public: + typedef word32 Element; + typedef int RandomizationParameter; + + GF2_32(word32 modulus=0x0000008D) : m_modulus(modulus) {} + + Element RandomElement(RandomNumberGenerator &rng, int ignored = 0) const + {return rng.GenerateWord32();} + + bool Equal(Element a, Element b) const + {return a==b;} + + Element Identity() const + {return 0;} + + Element Add(Element a, Element b) const + {return a^b;} + + Element& Accumulate(Element &a, Element b) const + {return a^=b;} + + Element Inverse(Element a) const + {return a;} + + Element Subtract(Element a, Element b) const + {return a^b;} + + Element& Reduce(Element &a, Element b) const + {return a^=b;} + + Element Double(Element a) const + {return 0;} + + Element MultiplicativeIdentity() const + {return 1;} + + Element Multiply(Element a, Element b) const; + + Element Square(Element a) const + {return Multiply(a, a);} + + bool IsUnit(Element a) const + {return a != 0;} + + Element MultiplicativeInverse(Element a) const; + + Element Divide(Element a, Element b) const + {return Multiply(a, MultiplicativeInverse(b));} + +private: + word32 m_modulus; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gf2n.cpp b/CryptoPP/gf2n.cpp new file mode 100644 index 000000000..bcc56071a --- /dev/null +++ b/CryptoPP/gf2n.cpp @@ -0,0 +1,882 @@ +// gf2n.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "gf2n.h" +#include "algebra.h" +#include "words.h" +#include "randpool.h" +#include "asn.h" +#include "oids.h" + +#include <iostream> + +NAMESPACE_BEGIN(CryptoPP) + +PolynomialMod2::PolynomialMod2() +{ +} + +PolynomialMod2::PolynomialMod2(word value, size_t bitLength) + : reg(BitsToWords(bitLength)) +{ + assert(value==0 || reg.size()>0); + + if (reg.size() > 0) + { + reg[0] = value; + SetWords(reg+1, 0, reg.size()-1); + } +} + +PolynomialMod2::PolynomialMod2(const PolynomialMod2& t) + : reg(t.reg.size()) +{ + CopyWords(reg, t.reg, reg.size()); +} + +void PolynomialMod2::Randomize(RandomNumberGenerator &rng, size_t nbits) +{ + const size_t nbytes = nbits/8 + 1; + SecByteBlock buf(nbytes); + rng.GenerateBlock(buf, nbytes); + buf[0] = (byte)Crop(buf[0], nbits % 8); + Decode(buf, nbytes); +} + +PolynomialMod2 PolynomialMod2::AllOnes(size_t bitLength) +{ + PolynomialMod2 result((word)0, bitLength); + SetWords(result.reg, ~(word)0, result.reg.size()); + if (bitLength%WORD_BITS) + result.reg[result.reg.size()-1] = (word)Crop(result.reg[result.reg.size()-1], bitLength%WORD_BITS); + return result; +} + +void PolynomialMod2::SetBit(size_t n, int value) +{ + if (value) + { + reg.CleanGrow(n/WORD_BITS + 1); + reg[n/WORD_BITS] |= (word(1) << (n%WORD_BITS)); + } + else + { + if (n/WORD_BITS < reg.size()) + reg[n/WORD_BITS] &= ~(word(1) << (n%WORD_BITS)); + } +} + +byte PolynomialMod2::GetByte(size_t n) const +{ + if (n/WORD_SIZE >= reg.size()) + return 0; + else + return byte(reg[n/WORD_SIZE] >> ((n%WORD_SIZE)*8)); +} + +void PolynomialMod2::SetByte(size_t n, byte value) +{ + reg.CleanGrow(BytesToWords(n+1)); + reg[n/WORD_SIZE] &= ~(word(0xff) << 8*(n%WORD_SIZE)); + reg[n/WORD_SIZE] |= (word(value) << 8*(n%WORD_SIZE)); +} + +PolynomialMod2 PolynomialMod2::Monomial(size_t i) +{ + PolynomialMod2 r((word)0, i+1); + r.SetBit(i); + return r; +} + +PolynomialMod2 PolynomialMod2::Trinomial(size_t t0, size_t t1, size_t t2) +{ + PolynomialMod2 r((word)0, t0+1); + r.SetBit(t0); + r.SetBit(t1); + r.SetBit(t2); + return r; +} + +PolynomialMod2 PolynomialMod2::Pentanomial(size_t t0, size_t t1, size_t t2, size_t t3, size_t t4) +{ + PolynomialMod2 r((word)0, t0+1); + r.SetBit(t0); + r.SetBit(t1); + r.SetBit(t2); + r.SetBit(t3); + r.SetBit(t4); + return r; +} + +template <word i> +struct NewPolynomialMod2 +{ + PolynomialMod2 * operator()() const + { + return new PolynomialMod2(i); + } +}; + +const PolynomialMod2 &PolynomialMod2::Zero() +{ + return Singleton<PolynomialMod2>().Ref(); +} + +const PolynomialMod2 &PolynomialMod2::One() +{ + return Singleton<PolynomialMod2, NewPolynomialMod2<1> >().Ref(); +} + +void PolynomialMod2::Decode(const byte *input, size_t inputLen) +{ + StringStore store(input, inputLen); + Decode(store, inputLen); +} + +void PolynomialMod2::Encode(byte *output, size_t outputLen) const +{ + ArraySink sink(output, outputLen); + Encode(sink, outputLen); +} + +void PolynomialMod2::Decode(BufferedTransformation &bt, size_t inputLen) +{ + reg.CleanNew(BytesToWords(inputLen)); + + for (size_t i=inputLen; i > 0; i--) + { + byte b; + bt.Get(b); + reg[(i-1)/WORD_SIZE] |= word(b) << ((i-1)%WORD_SIZE)*8; + } +} + +void PolynomialMod2::Encode(BufferedTransformation &bt, size_t outputLen) const +{ + for (size_t i=outputLen; i > 0; i--) + bt.Put(GetByte(i-1)); +} + +void PolynomialMod2::DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const +{ + DERGeneralEncoder enc(bt, OCTET_STRING); + Encode(enc, length); + enc.MessageEnd(); +} + +void PolynomialMod2::BERDecodeAsOctetString(BufferedTransformation &bt, size_t length) +{ + BERGeneralDecoder dec(bt, OCTET_STRING); + if (!dec.IsDefiniteLength() || dec.RemainingLength() != length) + BERDecodeError(); + Decode(dec, length); + dec.MessageEnd(); +} + +unsigned int PolynomialMod2::WordCount() const +{ + return (unsigned int)CountWords(reg, reg.size()); +} + +unsigned int PolynomialMod2::ByteCount() const +{ + unsigned wordCount = WordCount(); + if (wordCount) + return (wordCount-1)*WORD_SIZE + BytePrecision(reg[wordCount-1]); + else + return 0; +} + +unsigned int PolynomialMod2::BitCount() const +{ + unsigned wordCount = WordCount(); + if (wordCount) + return (wordCount-1)*WORD_BITS + BitPrecision(reg[wordCount-1]); + else + return 0; +} + +unsigned int PolynomialMod2::Parity() const +{ + unsigned i; + word temp=0; + for (i=0; i<reg.size(); i++) + temp ^= reg[i]; + return CryptoPP::Parity(temp); +} + +PolynomialMod2& PolynomialMod2::operator=(const PolynomialMod2& t) +{ + reg.Assign(t.reg); + return *this; +} + +PolynomialMod2& PolynomialMod2::operator^=(const PolynomialMod2& t) +{ + reg.CleanGrow(t.reg.size()); + XorWords(reg, t.reg, t.reg.size()); + return *this; +} + +PolynomialMod2 PolynomialMod2::Xor(const PolynomialMod2 &b) const +{ + if (b.reg.size() >= reg.size()) + { + PolynomialMod2 result((word)0, b.reg.size()*WORD_BITS); + XorWords(result.reg, reg, b.reg, reg.size()); + CopyWords(result.reg+reg.size(), b.reg+reg.size(), b.reg.size()-reg.size()); + return result; + } + else + { + PolynomialMod2 result((word)0, reg.size()*WORD_BITS); + XorWords(result.reg, reg, b.reg, b.reg.size()); + CopyWords(result.reg+b.reg.size(), reg+b.reg.size(), reg.size()-b.reg.size()); + return result; + } +} + +PolynomialMod2 PolynomialMod2::And(const PolynomialMod2 &b) const +{ + PolynomialMod2 result((word)0, WORD_BITS*STDMIN(reg.size(), b.reg.size())); + AndWords(result.reg, reg, b.reg, result.reg.size()); + return result; +} + +PolynomialMod2 PolynomialMod2::Times(const PolynomialMod2 &b) const +{ + PolynomialMod2 result((word)0, BitCount() + b.BitCount()); + + for (int i=b.Degree(); i>=0; i--) + { + result <<= 1; + if (b[i]) + XorWords(result.reg, reg, reg.size()); + } + return result; +} + +PolynomialMod2 PolynomialMod2::Squared() const +{ + static const word map[16] = {0, 1, 4, 5, 16, 17, 20, 21, 64, 65, 68, 69, 80, 81, 84, 85}; + + PolynomialMod2 result((word)0, 2*reg.size()*WORD_BITS); + + for (unsigned i=0; i<reg.size(); i++) + { + unsigned j; + + for (j=0; j<WORD_BITS; j+=8) + result.reg[2*i] |= map[(reg[i] >> (j/2)) % 16] << j; + + for (j=0; j<WORD_BITS; j+=8) + result.reg[2*i+1] |= map[(reg[i] >> (j/2 + WORD_BITS/2)) % 16] << j; + } + + return result; +} + +void PolynomialMod2::Divide(PolynomialMod2 &remainder, PolynomialMod2 "ient, + const PolynomialMod2 ÷nd, const PolynomialMod2 &divisor) +{ + if (!divisor) + throw PolynomialMod2::DivideByZero(); + + int degree = divisor.Degree(); + remainder.reg.CleanNew(BitsToWords(degree+1)); + if (dividend.BitCount() >= divisor.BitCount()) + quotient.reg.CleanNew(BitsToWords(dividend.BitCount() - divisor.BitCount() + 1)); + else + quotient.reg.CleanNew(0); + + for (int i=dividend.Degree(); i>=0; i--) + { + remainder <<= 1; + remainder.reg[0] |= dividend[i]; + if (remainder[degree]) + { + remainder -= divisor; + quotient.SetBit(i); + } + } +} + +PolynomialMod2 PolynomialMod2::DividedBy(const PolynomialMod2 &b) const +{ + PolynomialMod2 remainder, quotient; + PolynomialMod2::Divide(remainder, quotient, *this, b); + return quotient; +} + +PolynomialMod2 PolynomialMod2::Modulo(const PolynomialMod2 &b) const +{ + PolynomialMod2 remainder, quotient; + PolynomialMod2::Divide(remainder, quotient, *this, b); + return remainder; +} + +PolynomialMod2& PolynomialMod2::operator<<=(unsigned int n) +{ + if (!reg.size()) + return *this; + + int i; + word u; + word carry=0; + word *r=reg; + + if (n==1) // special case code for most frequent case + { + i = (int)reg.size(); + while (i--) + { + u = *r; + *r = (u << 1) | carry; + carry = u >> (WORD_BITS-1); + r++; + } + + if (carry) + { + reg.Grow(reg.size()+1); + reg[reg.size()-1] = carry; + } + + return *this; + } + + int shiftWords = n / WORD_BITS; + int shiftBits = n % WORD_BITS; + + if (shiftBits) + { + i = (int)reg.size(); + while (i--) + { + u = *r; + *r = (u << shiftBits) | carry; + carry = u >> (WORD_BITS-shiftBits); + r++; + } + } + + if (carry) + { + reg.Grow(reg.size()+shiftWords+1); + reg[reg.size()-1] = carry; + } + else + reg.Grow(reg.size()+shiftWords); + + if (shiftWords) + { + for (i = (int)reg.size()-1; i>=shiftWords; i--) + reg[i] = reg[i-shiftWords]; + for (; i>=0; i--) + reg[i] = 0; + } + + return *this; +} + +PolynomialMod2& PolynomialMod2::operator>>=(unsigned int n) +{ + if (!reg.size()) + return *this; + + int shiftWords = n / WORD_BITS; + int shiftBits = n % WORD_BITS; + + size_t i; + word u; + word carry=0; + word *r=reg+reg.size()-1; + + if (shiftBits) + { + i = reg.size(); + while (i--) + { + u = *r; + *r = (u >> shiftBits) | carry; + carry = u << (WORD_BITS-shiftBits); + r--; + } + } + + if (shiftWords) + { + for (i=0; i<reg.size()-shiftWords; i++) + reg[i] = reg[i+shiftWords]; + for (; i<reg.size(); i++) + reg[i] = 0; + } + + return *this; +} + +PolynomialMod2 PolynomialMod2::operator<<(unsigned int n) const +{ + PolynomialMod2 result(*this); + return result<<=n; +} + +PolynomialMod2 PolynomialMod2::operator>>(unsigned int n) const +{ + PolynomialMod2 result(*this); + return result>>=n; +} + +bool PolynomialMod2::operator!() const +{ + for (unsigned i=0; i<reg.size(); i++) + if (reg[i]) return false; + return true; +} + +bool PolynomialMod2::Equals(const PolynomialMod2 &rhs) const +{ + size_t i, smallerSize = STDMIN(reg.size(), rhs.reg.size()); + + for (i=0; i<smallerSize; i++) + if (reg[i] != rhs.reg[i]) return false; + + for (i=smallerSize; i<reg.size(); i++) + if (reg[i] != 0) return false; + + for (i=smallerSize; i<rhs.reg.size(); i++) + if (rhs.reg[i] != 0) return false; + + return true; +} + +std::ostream& operator<<(std::ostream& out, const PolynomialMod2 &a) +{ + // Get relevant conversion specifications from ostream. + long f = out.flags() & std::ios::basefield; // Get base digits. + int bits, block; + char suffix; + switch(f) + { + case std::ios::oct : + bits = 3; + block = 4; + suffix = 'o'; + break; + case std::ios::hex : + bits = 4; + block = 2; + suffix = 'h'; + break; + default : + bits = 1; + block = 8; + suffix = 'b'; + } + + if (!a) + return out << '0' << suffix; + + SecBlock<char> s(a.BitCount()/bits+1); + unsigned i; + + static const char upper[]="0123456789ABCDEF"; + static const char lower[]="0123456789abcdef"; + const char* vec = (out.flags() & std::ios::uppercase) ? upper : lower; + + for (i=0; i*bits < a.BitCount(); i++) + { + int digit=0; + for (int j=0; j<bits; j++) + digit |= a[i*bits+j] << j; + s[i]=vec[digit]; + } + + while (i--) + { + out << s[i]; + if (i && (i%block)==0) + out << ','; + } + + return out << suffix; +} + +PolynomialMod2 PolynomialMod2::Gcd(const PolynomialMod2 &a, const PolynomialMod2 &b) +{ + return EuclideanDomainOf<PolynomialMod2>().Gcd(a, b); +} + +PolynomialMod2 PolynomialMod2::InverseMod(const PolynomialMod2 &modulus) const +{ + typedef EuclideanDomainOf<PolynomialMod2> Domain; + return QuotientRing<Domain>(Domain(), modulus).MultiplicativeInverse(*this); +} + +bool PolynomialMod2::IsIrreducible() const +{ + signed int d = Degree(); + if (d <= 0) + return false; + + PolynomialMod2 t(2), u(t); + for (int i=1; i<=d/2; i++) + { + u = u.Squared()%(*this); + if (!Gcd(u+t, *this).IsUnit()) + return false; + } + return true; +} + +// ******************************************************** + +GF2NP::GF2NP(const PolynomialMod2 &modulus) + : QuotientRing<EuclideanDomainOf<PolynomialMod2> >(EuclideanDomainOf<PolynomialMod2>(), modulus), m(modulus.Degree()) +{ +} + +GF2NP::Element GF2NP::SquareRoot(const Element &a) const +{ + Element r = a; + for (unsigned int i=1; i<m; i++) + r = Square(r); + return r; +} + +GF2NP::Element GF2NP::HalfTrace(const Element &a) const +{ + assert(m%2 == 1); + Element h = a; + for (unsigned int i=1; i<=(m-1)/2; i++) + h = Add(Square(Square(h)), a); + return h; +} + +GF2NP::Element GF2NP::SolveQuadraticEquation(const Element &a) const +{ + if (m%2 == 0) + { + Element z, w; + RandomPool rng; + do + { + Element p((RandomNumberGenerator &)rng, m); + z = PolynomialMod2::Zero(); + w = p; + for (unsigned int i=1; i<=m-1; i++) + { + w = Square(w); + z = Square(z); + Accumulate(z, Multiply(w, a)); + Accumulate(w, p); + } + } while (w.IsZero()); + return z; + } + else + return HalfTrace(a); +} + +// ******************************************************** + +GF2NT::GF2NT(unsigned int t0, unsigned int t1, unsigned int t2) + : GF2NP(PolynomialMod2::Trinomial(t0, t1, t2)) + , t0(t0), t1(t1) + , result((word)0, m) +{ + assert(t0 > t1 && t1 > t2 && t2==0); +} + +const GF2NT::Element& GF2NT::MultiplicativeInverse(const Element &a) const +{ + if (t0-t1 < WORD_BITS) + return GF2NP::MultiplicativeInverse(a); + + SecWordBlock T(m_modulus.reg.size() * 4); + word *b = T; + word *c = T+m_modulus.reg.size(); + word *f = T+2*m_modulus.reg.size(); + word *g = T+3*m_modulus.reg.size(); + size_t bcLen=1, fgLen=m_modulus.reg.size(); + unsigned int k=0; + + SetWords(T, 0, 3*m_modulus.reg.size()); + b[0]=1; + assert(a.reg.size() <= m_modulus.reg.size()); + CopyWords(f, a.reg, a.reg.size()); + CopyWords(g, m_modulus.reg, m_modulus.reg.size()); + + while (1) + { + word t=f[0]; + while (!t) + { + ShiftWordsRightByWords(f, fgLen, 1); + if (c[bcLen-1]) + bcLen++; + assert(bcLen <= m_modulus.reg.size()); + ShiftWordsLeftByWords(c, bcLen, 1); + k+=WORD_BITS; + t=f[0]; + } + + unsigned int i=0; + while (t%2 == 0) + { + t>>=1; + i++; + } + k+=i; + + if (t==1 && CountWords(f, fgLen)==1) + break; + + if (i==1) + { + ShiftWordsRightByBits(f, fgLen, 1); + t=ShiftWordsLeftByBits(c, bcLen, 1); + } + else + { + ShiftWordsRightByBits(f, fgLen, i); + t=ShiftWordsLeftByBits(c, bcLen, i); + } + if (t) + { + c[bcLen] = t; + bcLen++; + assert(bcLen <= m_modulus.reg.size()); + } + + if (f[fgLen-1]==0 && g[fgLen-1]==0) + fgLen--; + + if (f[fgLen-1] < g[fgLen-1]) + { + std::swap(f, g); + std::swap(b, c); + } + + XorWords(f, g, fgLen); + XorWords(b, c, bcLen); + } + + while (k >= WORD_BITS) + { + word temp = b[0]; + // right shift b + for (unsigned i=0; i+1<BitsToWords(m); i++) + b[i] = b[i+1]; + b[BitsToWords(m)-1] = 0; + + if (t1 < WORD_BITS) + for (unsigned int j=0; j<WORD_BITS-t1; j++) + temp ^= ((temp >> j) & 1) << (t1 + j); + else + b[t1/WORD_BITS-1] ^= temp << t1%WORD_BITS; + + if (t1 % WORD_BITS) + b[t1/WORD_BITS] ^= temp >> (WORD_BITS - t1%WORD_BITS); + + if (t0%WORD_BITS) + { + b[t0/WORD_BITS-1] ^= temp << t0%WORD_BITS; + b[t0/WORD_BITS] ^= temp >> (WORD_BITS - t0%WORD_BITS); + } + else + b[t0/WORD_BITS-1] ^= temp; + + k -= WORD_BITS; + } + + if (k) + { + word temp = b[0] << (WORD_BITS - k); + ShiftWordsRightByBits(b, BitsToWords(m), k); + + if (t1 < WORD_BITS) + for (unsigned int j=0; j<WORD_BITS-t1; j++) + temp ^= ((temp >> j) & 1) << (t1 + j); + else + b[t1/WORD_BITS-1] ^= temp << t1%WORD_BITS; + + if (t1 % WORD_BITS) + b[t1/WORD_BITS] ^= temp >> (WORD_BITS - t1%WORD_BITS); + + if (t0%WORD_BITS) + { + b[t0/WORD_BITS-1] ^= temp << t0%WORD_BITS; + b[t0/WORD_BITS] ^= temp >> (WORD_BITS - t0%WORD_BITS); + } + else + b[t0/WORD_BITS-1] ^= temp; + } + + CopyWords(result.reg.begin(), b, result.reg.size()); + return result; +} + +const GF2NT::Element& GF2NT::Multiply(const Element &a, const Element &b) const +{ + size_t aSize = STDMIN(a.reg.size(), result.reg.size()); + Element r((word)0, m); + + for (int i=m-1; i>=0; i--) + { + if (r[m-1]) + { + ShiftWordsLeftByBits(r.reg.begin(), r.reg.size(), 1); + XorWords(r.reg.begin(), m_modulus.reg, r.reg.size()); + } + else + ShiftWordsLeftByBits(r.reg.begin(), r.reg.size(), 1); + + if (b[i]) + XorWords(r.reg.begin(), a.reg, aSize); + } + + if (m%WORD_BITS) + r.reg.begin()[r.reg.size()-1] = (word)Crop(r.reg[r.reg.size()-1], m%WORD_BITS); + + CopyWords(result.reg.begin(), r.reg.begin(), result.reg.size()); + return result; +} + +const GF2NT::Element& GF2NT::Reduced(const Element &a) const +{ + if (t0-t1 < WORD_BITS) + return m_domain.Mod(a, m_modulus); + + SecWordBlock b(a.reg); + + size_t i; + for (i=b.size()-1; i>=BitsToWords(t0); i--) + { + word temp = b[i]; + + if (t0%WORD_BITS) + { + b[i-t0/WORD_BITS] ^= temp >> t0%WORD_BITS; + b[i-t0/WORD_BITS-1] ^= temp << (WORD_BITS - t0%WORD_BITS); + } + else + b[i-t0/WORD_BITS] ^= temp; + + if ((t0-t1)%WORD_BITS) + { + b[i-(t0-t1)/WORD_BITS] ^= temp >> (t0-t1)%WORD_BITS; + b[i-(t0-t1)/WORD_BITS-1] ^= temp << (WORD_BITS - (t0-t1)%WORD_BITS); + } + else + b[i-(t0-t1)/WORD_BITS] ^= temp; + } + + if (i==BitsToWords(t0)-1 && t0%WORD_BITS) + { + word mask = ((word)1<<(t0%WORD_BITS))-1; + word temp = b[i] & ~mask; + b[i] &= mask; + + b[i-t0/WORD_BITS] ^= temp >> t0%WORD_BITS; + + if ((t0-t1)%WORD_BITS) + { + b[i-(t0-t1)/WORD_BITS] ^= temp >> (t0-t1)%WORD_BITS; + if ((t0-t1)%WORD_BITS > t0%WORD_BITS) + b[i-(t0-t1)/WORD_BITS-1] ^= temp << (WORD_BITS - (t0-t1)%WORD_BITS); + else + assert(temp << (WORD_BITS - (t0-t1)%WORD_BITS) == 0); + } + else + b[i-(t0-t1)/WORD_BITS] ^= temp; + } + + SetWords(result.reg.begin(), 0, result.reg.size()); + CopyWords(result.reg.begin(), b, STDMIN(b.size(), result.reg.size())); + return result; +} + +void GF2NP::DEREncodeElement(BufferedTransformation &out, const Element &a) const +{ + a.DEREncodeAsOctetString(out, MaxElementByteLength()); +} + +void GF2NP::BERDecodeElement(BufferedTransformation &in, Element &a) const +{ + a.BERDecodeAsOctetString(in, MaxElementByteLength()); +} + +void GF2NT::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + ASN1::characteristic_two_field().DEREncode(seq); + DERSequenceEncoder parameters(seq); + DEREncodeUnsigned(parameters, m); + ASN1::tpBasis().DEREncode(parameters); + DEREncodeUnsigned(parameters, t1); + parameters.MessageEnd(); + seq.MessageEnd(); +} + +void GF2NPP::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + ASN1::characteristic_two_field().DEREncode(seq); + DERSequenceEncoder parameters(seq); + DEREncodeUnsigned(parameters, m); + ASN1::ppBasis().DEREncode(parameters); + DERSequenceEncoder pentanomial(parameters); + DEREncodeUnsigned(pentanomial, t3); + DEREncodeUnsigned(pentanomial, t2); + DEREncodeUnsigned(pentanomial, t1); + pentanomial.MessageEnd(); + parameters.MessageEnd(); + seq.MessageEnd(); +} + +GF2NP * BERDecodeGF2NP(BufferedTransformation &bt) +{ + // VC60 workaround: auto_ptr lacks reset() + member_ptr<GF2NP> result; + + BERSequenceDecoder seq(bt); + if (OID(seq) != ASN1::characteristic_two_field()) + BERDecodeError(); + BERSequenceDecoder parameters(seq); + unsigned int m; + BERDecodeUnsigned(parameters, m); + OID oid(parameters); + if (oid == ASN1::tpBasis()) + { + unsigned int t1; + BERDecodeUnsigned(parameters, t1); + result.reset(new GF2NT(m, t1, 0)); + } + else if (oid == ASN1::ppBasis()) + { + unsigned int t1, t2, t3; + BERSequenceDecoder pentanomial(parameters); + BERDecodeUnsigned(pentanomial, t3); + BERDecodeUnsigned(pentanomial, t2); + BERDecodeUnsigned(pentanomial, t1); + pentanomial.MessageEnd(); + result.reset(new GF2NPP(m, t3, t2, t1, 0)); + } + else + { + BERDecodeError(); + return NULL; + } + parameters.MessageEnd(); + seq.MessageEnd(); + + return result.release(); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gf2n.h b/CryptoPP/gf2n.h new file mode 100644 index 000000000..67ade641e --- /dev/null +++ b/CryptoPP/gf2n.h @@ -0,0 +1,369 @@ +#ifndef CRYPTOPP_GF2N_H +#define CRYPTOPP_GF2N_H + +/*! \file */ + +#include "cryptlib.h" +#include "secblock.h" +#include "misc.h" +#include "algebra.h" + +#include <iosfwd> + +NAMESPACE_BEGIN(CryptoPP) + +//! Polynomial with Coefficients in GF(2) +/*! \nosubgrouping */ +class CRYPTOPP_DLL PolynomialMod2 +{ +public: + //! \name ENUMS, EXCEPTIONS, and TYPEDEFS + //@{ + //! divide by zero exception + class DivideByZero : public Exception + { + public: + DivideByZero() : Exception(OTHER_ERROR, "PolynomialMod2: division by zero") {} + }; + + typedef unsigned int RandomizationParameter; + //@} + + //! \name CREATORS + //@{ + //! creates the zero polynomial + PolynomialMod2(); + //! copy constructor + PolynomialMod2(const PolynomialMod2& t); + + //! convert from word + /*! value should be encoded with the least significant bit as coefficient to x^0 + and most significant bit as coefficient to x^(WORD_BITS-1) + bitLength denotes how much memory to allocate initially + */ + PolynomialMod2(word value, size_t bitLength=WORD_BITS); + + //! convert from big-endian byte array + PolynomialMod2(const byte *encodedPoly, size_t byteCount) + {Decode(encodedPoly, byteCount);} + + //! convert from big-endian form stored in a BufferedTransformation + PolynomialMod2(BufferedTransformation &encodedPoly, size_t byteCount) + {Decode(encodedPoly, byteCount);} + + //! create a random polynomial uniformly distributed over all polynomials with degree less than bitcount + PolynomialMod2(RandomNumberGenerator &rng, size_t bitcount) + {Randomize(rng, bitcount);} + + //! return x^i + static PolynomialMod2 CRYPTOPP_API Monomial(size_t i); + //! return x^t0 + x^t1 + x^t2 + static PolynomialMod2 CRYPTOPP_API Trinomial(size_t t0, size_t t1, size_t t2); + //! return x^t0 + x^t1 + x^t2 + x^t3 + x^t4 + static PolynomialMod2 CRYPTOPP_API Pentanomial(size_t t0, size_t t1, size_t t2, size_t t3, size_t t4); + //! return x^(n-1) + ... + x + 1 + static PolynomialMod2 CRYPTOPP_API AllOnes(size_t n); + + //! + static const PolynomialMod2 & CRYPTOPP_API Zero(); + //! + static const PolynomialMod2 & CRYPTOPP_API One(); + //@} + + //! \name ENCODE/DECODE + //@{ + //! minimum number of bytes to encode this polynomial + /*! MinEncodedSize of 0 is 1 */ + unsigned int MinEncodedSize() const {return STDMAX(1U, ByteCount());} + + //! encode in big-endian format + /*! if outputLen < MinEncodedSize, the most significant bytes will be dropped + if outputLen > MinEncodedSize, the most significant bytes will be padded + */ + void Encode(byte *output, size_t outputLen) const; + //! + void Encode(BufferedTransformation &bt, size_t outputLen) const; + + //! + void Decode(const byte *input, size_t inputLen); + //! + //* Precondition: bt.MaxRetrievable() >= inputLen + void Decode(BufferedTransformation &bt, size_t inputLen); + + //! encode value as big-endian octet string + void DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const; + //! decode value as big-endian octet string + void BERDecodeAsOctetString(BufferedTransformation &bt, size_t length); + //@} + + //! \name ACCESSORS + //@{ + //! number of significant bits = Degree() + 1 + unsigned int BitCount() const; + //! number of significant bytes = ceiling(BitCount()/8) + unsigned int ByteCount() const; + //! number of significant words = ceiling(ByteCount()/sizeof(word)) + unsigned int WordCount() const; + + //! return the n-th bit, n=0 being the least significant bit + bool GetBit(size_t n) const {return GetCoefficient(n)!=0;} + //! return the n-th byte + byte GetByte(size_t n) const; + + //! the zero polynomial will return a degree of -1 + signed int Degree() const {return BitCount()-1;} + //! degree + 1 + unsigned int CoefficientCount() const {return BitCount();} + //! return coefficient for x^i + int GetCoefficient(size_t i) const + {return (i/WORD_BITS < reg.size()) ? int(reg[i/WORD_BITS] >> (i % WORD_BITS)) & 1 : 0;} + //! return coefficient for x^i + int operator[](unsigned int i) const {return GetCoefficient(i);} + + //! + bool IsZero() const {return !*this;} + //! + bool Equals(const PolynomialMod2 &rhs) const; + //@} + + //! \name MANIPULATORS + //@{ + //! + PolynomialMod2& operator=(const PolynomialMod2& t); + //! + PolynomialMod2& operator&=(const PolynomialMod2& t); + //! + PolynomialMod2& operator^=(const PolynomialMod2& t); + //! + PolynomialMod2& operator+=(const PolynomialMod2& t) {return *this ^= t;} + //! + PolynomialMod2& operator-=(const PolynomialMod2& t) {return *this ^= t;} + //! + PolynomialMod2& operator*=(const PolynomialMod2& t); + //! + PolynomialMod2& operator/=(const PolynomialMod2& t); + //! + PolynomialMod2& operator%=(const PolynomialMod2& t); + //! + PolynomialMod2& operator<<=(unsigned int); + //! + PolynomialMod2& operator>>=(unsigned int); + + //! + void Randomize(RandomNumberGenerator &rng, size_t bitcount); + + //! + void SetBit(size_t i, int value = 1); + //! set the n-th byte to value + void SetByte(size_t n, byte value); + + //! + void SetCoefficient(size_t i, int value) {SetBit(i, value);} + + //! + void swap(PolynomialMod2 &a) {reg.swap(a.reg);} + //@} + + //! \name UNARY OPERATORS + //@{ + //! + bool operator!() const; + //! + PolynomialMod2 operator+() const {return *this;} + //! + PolynomialMod2 operator-() const {return *this;} + //@} + + //! \name BINARY OPERATORS + //@{ + //! + PolynomialMod2 And(const PolynomialMod2 &b) const; + //! + PolynomialMod2 Xor(const PolynomialMod2 &b) const; + //! + PolynomialMod2 Plus(const PolynomialMod2 &b) const {return Xor(b);} + //! + PolynomialMod2 Minus(const PolynomialMod2 &b) const {return Xor(b);} + //! + PolynomialMod2 Times(const PolynomialMod2 &b) const; + //! + PolynomialMod2 DividedBy(const PolynomialMod2 &b) const; + //! + PolynomialMod2 Modulo(const PolynomialMod2 &b) const; + + //! + PolynomialMod2 operator>>(unsigned int n) const; + //! + PolynomialMod2 operator<<(unsigned int n) const; + //@} + + //! \name OTHER ARITHMETIC FUNCTIONS + //@{ + //! sum modulo 2 of all coefficients + unsigned int Parity() const; + + //! check for irreducibility + bool IsIrreducible() const; + + //! is always zero since we're working modulo 2 + PolynomialMod2 Doubled() const {return Zero();} + //! + PolynomialMod2 Squared() const; + + //! only 1 is a unit + bool IsUnit() const {return Equals(One());} + //! return inverse if *this is a unit, otherwise return 0 + PolynomialMod2 MultiplicativeInverse() const {return IsUnit() ? One() : Zero();} + + //! greatest common divisor + static PolynomialMod2 CRYPTOPP_API Gcd(const PolynomialMod2 &a, const PolynomialMod2 &n); + //! calculate multiplicative inverse of *this mod n + PolynomialMod2 InverseMod(const PolynomialMod2 &) const; + + //! calculate r and q such that (a == d*q + r) && (deg(r) < deg(d)) + static void CRYPTOPP_API Divide(PolynomialMod2 &r, PolynomialMod2 &q, const PolynomialMod2 &a, const PolynomialMod2 &d); + //@} + + //! \name INPUT/OUTPUT + //@{ + //! + friend std::ostream& operator<<(std::ostream& out, const PolynomialMod2 &a); + //@} + +private: + friend class GF2NT; + + SecWordBlock reg; +}; + +//! +inline bool operator==(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return a.Equals(b);} +//! +inline bool operator!=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return !(a==b);} +//! compares degree +inline bool operator> (const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return a.Degree() > b.Degree();} +//! compares degree +inline bool operator>=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return a.Degree() >= b.Degree();} +//! compares degree +inline bool operator< (const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return a.Degree() < b.Degree();} +//! compares degree +inline bool operator<=(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) +{return a.Degree() <= b.Degree();} +//! +inline CryptoPP::PolynomialMod2 operator&(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.And(b);} +//! +inline CryptoPP::PolynomialMod2 operator^(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Xor(b);} +//! +inline CryptoPP::PolynomialMod2 operator+(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Plus(b);} +//! +inline CryptoPP::PolynomialMod2 operator-(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Minus(b);} +//! +inline CryptoPP::PolynomialMod2 operator*(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Times(b);} +//! +inline CryptoPP::PolynomialMod2 operator/(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.DividedBy(b);} +//! +inline CryptoPP::PolynomialMod2 operator%(const CryptoPP::PolynomialMod2 &a, const CryptoPP::PolynomialMod2 &b) {return a.Modulo(b);} + +// CodeWarrior 8 workaround: put these template instantiations after overloaded operator declarations, +// but before the use of QuotientRing<EuclideanDomainOf<PolynomialMod2> > for VC .NET 2003 +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<PolynomialMod2>; +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractRing<PolynomialMod2>; +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractEuclideanDomain<PolynomialMod2>; +CRYPTOPP_DLL_TEMPLATE_CLASS EuclideanDomainOf<PolynomialMod2>; +CRYPTOPP_DLL_TEMPLATE_CLASS QuotientRing<EuclideanDomainOf<PolynomialMod2> >; + +//! GF(2^n) with Polynomial Basis +class CRYPTOPP_DLL GF2NP : public QuotientRing<EuclideanDomainOf<PolynomialMod2> > +{ +public: + GF2NP(const PolynomialMod2 &modulus); + + virtual GF2NP * Clone() const {return new GF2NP(*this);} + virtual void DEREncode(BufferedTransformation &bt) const + {assert(false);} // no ASN.1 syntax yet for general polynomial basis + + void DEREncodeElement(BufferedTransformation &out, const Element &a) const; + void BERDecodeElement(BufferedTransformation &in, Element &a) const; + + bool Equal(const Element &a, const Element &b) const + {assert(a.Degree() < m_modulus.Degree() && b.Degree() < m_modulus.Degree()); return a.Equals(b);} + + bool IsUnit(const Element &a) const + {assert(a.Degree() < m_modulus.Degree()); return !!a;} + + unsigned int MaxElementBitLength() const + {return m;} + + unsigned int MaxElementByteLength() const + {return (unsigned int)BitsToBytes(MaxElementBitLength());} + + Element SquareRoot(const Element &a) const; + + Element HalfTrace(const Element &a) const; + + // returns z such that z^2 + z == a + Element SolveQuadraticEquation(const Element &a) const; + +protected: + unsigned int m; +}; + +//! GF(2^n) with Trinomial Basis +class CRYPTOPP_DLL GF2NT : public GF2NP +{ +public: + // polynomial modulus = x^t0 + x^t1 + x^t2, t0 > t1 > t2 + GF2NT(unsigned int t0, unsigned int t1, unsigned int t2); + + GF2NP * Clone() const {return new GF2NT(*this);} + void DEREncode(BufferedTransformation &bt) const; + + const Element& Multiply(const Element &a, const Element &b) const; + + const Element& Square(const Element &a) const + {return Reduced(a.Squared());} + + const Element& MultiplicativeInverse(const Element &a) const; + +private: + const Element& Reduced(const Element &a) const; + + unsigned int t0, t1; + mutable PolynomialMod2 result; +}; + +//! GF(2^n) with Pentanomial Basis +class CRYPTOPP_DLL GF2NPP : public GF2NP +{ +public: + // polynomial modulus = x^t0 + x^t1 + x^t2 + x^t3 + x^t4, t0 > t1 > t2 > t3 > t4 + GF2NPP(unsigned int t0, unsigned int t1, unsigned int t2, unsigned int t3, unsigned int t4) + : GF2NP(PolynomialMod2::Pentanomial(t0, t1, t2, t3, t4)), t0(t0), t1(t1), t2(t2), t3(t3) {} + + GF2NP * Clone() const {return new GF2NPP(*this);} + void DEREncode(BufferedTransformation &bt) const; + +private: + unsigned int t0, t1, t2, t3; +}; + +// construct new GF2NP from the ASN.1 sequence Characteristic-two +CRYPTOPP_DLL GF2NP * CRYPTOPP_API BERDecodeGF2NP(BufferedTransformation &bt); + +NAMESPACE_END + +#ifndef __BORLANDC__ +NAMESPACE_BEGIN(std) +template<> inline void swap(CryptoPP::PolynomialMod2 &a, CryptoPP::PolynomialMod2 &b) +{ + a.swap(b); +} +NAMESPACE_END +#endif + +#endif diff --git a/CryptoPP/gfpcrypt.cpp b/CryptoPP/gfpcrypt.cpp new file mode 100644 index 000000000..6d9ffcebd --- /dev/null +++ b/CryptoPP/gfpcrypt.cpp @@ -0,0 +1,275 @@ +// dsa.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "gfpcrypt.h" +#include "asn.h" +#include "oids.h" +#include "nbtheory.h" + +NAMESPACE_BEGIN(CryptoPP) + +void TestInstantiations_gfpcrypt() +{ + GDSA<SHA>::Signer test; + GDSA<SHA>::Verifier test1; + DSA::Signer test5(NullRNG(), 100); + DSA::Signer test2(test5); + NR<SHA>::Signer test3; + NR<SHA>::Verifier test4; + DLIES<>::Encryptor test6; + DLIES<>::Decryptor test7; +} + +void DL_GroupParameters_DSA::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + Integer p, q, g; + + if (alg.GetValue("Modulus", p) && alg.GetValue("SubgroupGenerator", g)) + { + q = alg.GetValueWithDefault("SubgroupOrder", ComputeGroupOrder(p)/2); + } + else + { + int modulusSize = 1024; + alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize); + + if (!DSA::IsValidPrimeLength(modulusSize)) + throw InvalidArgument("DSA: not a valid prime length"); + + SecByteBlock seed(SHA::DIGESTSIZE); + Integer h; + int c; + + do + { + rng.GenerateBlock(seed, SHA::DIGESTSIZE); + } while (!DSA::GeneratePrimes(seed, SHA::DIGESTSIZE*8, c, p, modulusSize, q)); + + do + { + h.Randomize(rng, 2, p-2); + g = a_exp_b_mod_c(h, (p-1)/q, p); + } while (g <= 1); + } + + Initialize(p, q, g); +} + +bool DL_GroupParameters_DSA::ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = DL_GroupParameters_GFP::ValidateGroup(rng, level); + pass = pass && DSA::IsValidPrimeLength(GetModulus().BitCount()); + pass = pass && GetSubgroupOrder().BitCount() == 160; + return pass; +} + +void DL_SignatureMessageEncodingMethod_DSA::ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + assert(recoverableMessageLength == 0); + assert(hashIdentifier.second == 0); + const size_t representativeByteLength = BitsToBytes(representativeBitLength); + const size_t digestSize = hash.DigestSize(); + const size_t paddingLength = SaturatingSubtract(representativeByteLength, digestSize); + + memset(representative, 0, paddingLength); + hash.TruncatedFinal(representative+paddingLength, STDMIN(representativeByteLength, digestSize)); + + if (digestSize*8 > representativeBitLength) + { + Integer h(representative, representativeByteLength); + h >>= representativeByteLength*8 - representativeBitLength; + h.Encode(representative, representativeByteLength); + } +} + +void DL_SignatureMessageEncodingMethod_NR::ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + assert(recoverableMessageLength == 0); + assert(hashIdentifier.second == 0); + const size_t representativeByteLength = BitsToBytes(representativeBitLength); + const size_t digestSize = hash.DigestSize(); + const size_t paddingLength = SaturatingSubtract(representativeByteLength, digestSize); + + memset(representative, 0, paddingLength); + hash.TruncatedFinal(representative+paddingLength, STDMIN(representativeByteLength, digestSize)); + + if (digestSize*8 >= representativeBitLength) + { + Integer h(representative, representativeByteLength); + h >>= representativeByteLength*8 - representativeBitLength + 1; + h.Encode(representative, representativeByteLength); + } +} + +bool DL_GroupParameters_IntegerBased::ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const +{ + const Integer &p = GetModulus(), &q = GetSubgroupOrder(); + + bool pass = true; + pass = pass && p > Integer::One() && p.IsOdd(); + pass = pass && q > Integer::One() && q.IsOdd(); + + if (level >= 1) + pass = pass && GetCofactor() > Integer::One() && GetGroupOrder() % q == Integer::Zero(); + if (level >= 2) + pass = pass && VerifyPrime(rng, q, level-2) && VerifyPrime(rng, p, level-2); + + return pass; +} + +bool DL_GroupParameters_IntegerBased::ValidateElement(unsigned int level, const Integer &g, const DL_FixedBasePrecomputation<Integer> *gpc) const +{ + const Integer &p = GetModulus(), &q = GetSubgroupOrder(); + + bool pass = true; + pass = pass && GetFieldType() == 1 ? g.IsPositive() : g.NotNegative(); + pass = pass && g < p && !IsIdentity(g); + + if (level >= 1) + { + if (gpc) + pass = pass && gpc->Exponentiate(GetGroupPrecomputation(), Integer::One()) == g; + } + if (level >= 2) + { + if (GetFieldType() == 2) + pass = pass && Jacobi(g*g-4, p)==-1; + + // verifying that Lucas((p+1)/2, w, p)==2 is omitted because it's too costly + // and at most 1 bit is leaked if it's false + bool fullValidate = (GetFieldType() == 2 && level >= 3) || !FastSubgroupCheckAvailable(); + + if (fullValidate && pass) + { + Integer gp = gpc ? gpc->Exponentiate(GetGroupPrecomputation(), q) : ExponentiateElement(g, q); + pass = pass && IsIdentity(gp); + } + else if (GetFieldType() == 1) + pass = pass && Jacobi(g, p) == 1; + } + + return pass; +} + +void DL_GroupParameters_IntegerBased::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + Integer p, q, g; + + if (alg.GetValue("Modulus", p) && alg.GetValue("SubgroupGenerator", g)) + { + q = alg.GetValueWithDefault("SubgroupOrder", ComputeGroupOrder(p)/2); + } + else + { + int modulusSize, subgroupOrderSize; + + if (!alg.GetIntValue("ModulusSize", modulusSize)) + modulusSize = alg.GetIntValueWithDefault("KeySize", 2048); + + if (!alg.GetIntValue("SubgroupOrderSize", subgroupOrderSize)) + subgroupOrderSize = GetDefaultSubgroupOrderSize(modulusSize); + + PrimeAndGenerator pg; + pg.Generate(GetFieldType() == 1 ? 1 : -1, rng, modulusSize, subgroupOrderSize); + p = pg.Prime(); + q = pg.SubPrime(); + g = pg.Generator(); + } + + Initialize(p, q, g); +} + +Integer DL_GroupParameters_IntegerBased::DecodeElement(const byte *encoded, bool checkForGroupMembership) const +{ + Integer g(encoded, GetModulus().ByteCount()); + if (!ValidateElement(1, g, NULL)) + throw DL_BadElement(); + return g; +} + +void DL_GroupParameters_IntegerBased::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder parameters(bt); + Integer p(parameters); + Integer q(parameters); + Integer g; + if (parameters.EndReached()) + { + g = q; + q = ComputeGroupOrder(p) / 2; + } + else + g.BERDecode(parameters); + parameters.MessageEnd(); + + SetModulusAndSubgroupGenerator(p, g); + SetSubgroupOrder(q); +} + +void DL_GroupParameters_IntegerBased::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder parameters(bt); + GetModulus().DEREncode(parameters); + m_q.DEREncode(parameters); + GetSubgroupGenerator().DEREncode(parameters); + parameters.MessageEnd(); +} + +bool DL_GroupParameters_IntegerBased::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<DL_GroupParameters<Element> >(this, name, valueType, pValue) + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus); +} + +void DL_GroupParameters_IntegerBased::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY2(Modulus, SubgroupGenerator) + CRYPTOPP_SET_FUNCTION_ENTRY(SubgroupOrder) + ; +} + +OID DL_GroupParameters_IntegerBased::GetAlgorithmID() const +{ + return ASN1::id_dsa(); +} + +void DL_GroupParameters_GFP::SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const +{ + ModularArithmetic ma(GetModulus()); + ma.SimultaneousExponentiate(results, base, exponents, exponentsCount); +} + +DL_GroupParameters_GFP::Element DL_GroupParameters_GFP::MultiplyElements(const Element &a, const Element &b) const +{ + return a_times_b_mod_c(a, b, GetModulus()); +} + +DL_GroupParameters_GFP::Element DL_GroupParameters_GFP::CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const +{ + ModularArithmetic ma(GetModulus()); + return ma.CascadeExponentiate(element1, exponent1, element2, exponent2); +} + +Integer DL_GroupParameters_IntegerBased::GetMaxExponent() const +{ + return STDMIN(GetSubgroupOrder()-1, Integer::Power2(2*DiscreteLogWorkFactor(GetFieldType()*GetModulus().BitCount()))); +} + +unsigned int DL_GroupParameters_IntegerBased::GetDefaultSubgroupOrderSize(unsigned int modulusSize) const +{ + return 2*DiscreteLogWorkFactor(GetFieldType()*modulusSize); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gfpcrypt.h b/CryptoPP/gfpcrypt.h new file mode 100644 index 000000000..5e9c635d6 --- /dev/null +++ b/CryptoPP/gfpcrypt.h @@ -0,0 +1,536 @@ +#ifndef CRYPTOPP_GFPCRYPT_H +#define CRYPTOPP_GFPCRYPT_H + +/** \file + Implementation of schemes based on DL over GF(p) +*/ + +#include "pubkey.h" +#include "modexppc.h" +#include "sha.h" +#include "algparam.h" +#include "asn.h" +#include "smartptr.h" +#include "hmac.h" + +#include <limits.h> + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters<Integer>; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE DL_GroupParameters_IntegerBased : public ASN1CryptoMaterial<DL_GroupParameters<Integer> > +{ + typedef DL_GroupParameters_IntegerBased ThisClass; + +public: + void Initialize(const DL_GroupParameters_IntegerBased ¶ms) + {Initialize(params.GetModulus(), params.GetSubgroupOrder(), params.GetSubgroupGenerator());} + void Initialize(RandomNumberGenerator &rng, unsigned int pbits) + {GenerateRandom(rng, MakeParameters("ModulusSize", (int)pbits));} + void Initialize(const Integer &p, const Integer &g) + {SetModulusAndSubgroupGenerator(p, g); SetSubgroupOrder(ComputeGroupOrder(p)/2);} + void Initialize(const Integer &p, const Integer &q, const Integer &g) + {SetModulusAndSubgroupGenerator(p, g); SetSubgroupOrder(q);} + + // ASN1Object interface + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + // GeneratibleCryptoMaterial interface + /*! parameters: (ModulusSize, SubgroupOrderSize (optional)) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // DL_GroupParameters + const Integer & GetSubgroupOrder() const {return m_q;} + Integer GetGroupOrder() const {return GetFieldType() == 1 ? GetModulus()-Integer::One() : GetModulus()+Integer::One();} + bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const; + bool ValidateElement(unsigned int level, const Integer &element, const DL_FixedBasePrecomputation<Integer> *precomp) const; + bool FastSubgroupCheckAvailable() const {return GetCofactor() == 2;} + void EncodeElement(bool reversible, const Element &element, byte *encoded) const + {element.Encode(encoded, GetModulus().ByteCount());} + unsigned int GetEncodedElementSize(bool reversible) const {return GetModulus().ByteCount();} + Integer DecodeElement(const byte *encoded, bool checkForGroupMembership) const; + Integer ConvertElementToInteger(const Element &element) const + {return element;} + Integer GetMaxExponent() const; + static std::string CRYPTOPP_API StaticAlgorithmNamePrefix() {return "";} + + OID GetAlgorithmID() const; + + virtual const Integer & GetModulus() const =0; + virtual void SetModulusAndSubgroupGenerator(const Integer &p, const Integer &g) =0; + + void SetSubgroupOrder(const Integer &q) + {m_q = q; ParametersChanged();} + +protected: + Integer ComputeGroupOrder(const Integer &modulus) const + {return modulus-(GetFieldType() == 1 ? 1 : -1);} + + // GF(p) = 1, GF(p^2) = 2 + virtual int GetFieldType() const =0; + virtual unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const; + +private: + Integer m_q; +}; + +//! _ +template <class GROUP_PRECOMP, class BASE_PRECOMP = DL_FixedBasePrecomputationImpl<CPP_TYPENAME GROUP_PRECOMP::Element> > +class CRYPTOPP_NO_VTABLE DL_GroupParameters_IntegerBasedImpl : public DL_GroupParametersImpl<GROUP_PRECOMP, BASE_PRECOMP, DL_GroupParameters_IntegerBased> +{ + typedef DL_GroupParameters_IntegerBasedImpl<GROUP_PRECOMP, BASE_PRECOMP> ThisClass; + +public: + typedef typename GROUP_PRECOMP::Element Element; + + // GeneratibleCryptoMaterial interface + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + {return GetValueHelper<DL_GroupParameters_IntegerBased>(this, name, valueType, pValue).Assignable();} + + void AssignFrom(const NameValuePairs &source) + {AssignFromHelper<DL_GroupParameters_IntegerBased>(this, source);} + + // DL_GroupParameters + const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const {return this->m_gpc;} + DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return this->m_gpc;} + + // IntegerGroupParameters + const Integer & GetModulus() const {return this->m_groupPrecomputation.GetModulus();} + const Integer & GetGenerator() const {return this->m_gpc.GetBase(this->GetGroupPrecomputation());} + + void SetModulusAndSubgroupGenerator(const Integer &p, const Integer &g) // these have to be set together + {this->m_groupPrecomputation.SetModulus(p); this->m_gpc.SetBase(this->GetGroupPrecomputation(), g); this->ParametersChanged();} + + // non-inherited + bool operator==(const DL_GroupParameters_IntegerBasedImpl<GROUP_PRECOMP, BASE_PRECOMP> &rhs) const + {return GetModulus() == rhs.GetModulus() && GetGenerator() == rhs.GetGenerator() && this->GetSubgroupOrder() == rhs.GetSubgroupOrder();} + bool operator!=(const DL_GroupParameters_IntegerBasedImpl<GROUP_PRECOMP, BASE_PRECOMP> &rhs) const + {return !operator==(rhs);} +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_GroupParameters_IntegerBasedImpl<ModExpPrecomputation>; + +//! GF(p) group parameters +class CRYPTOPP_DLL DL_GroupParameters_GFP : public DL_GroupParameters_IntegerBasedImpl<ModExpPrecomputation> +{ +public: + // DL_GroupParameters + bool IsIdentity(const Integer &element) const {return element == Integer::One();} + void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; + + // NameValuePairs interface + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper<DL_GroupParameters_IntegerBased>(this, name, valueType, pValue).Assignable(); + } + + // used by MQV + Element MultiplyElements(const Element &a, const Element &b) const; + Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const; + +protected: + int GetFieldType() const {return 1;} +}; + +//! GF(p) group parameters that default to same primes +class CRYPTOPP_DLL DL_GroupParameters_GFP_DefaultSafePrime : public DL_GroupParameters_GFP +{ +public: + typedef NoCofactorMultiplication DefaultCofactorOption; + +protected: + unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const {return modulusSize-1;} +}; + +//! GDSA algorithm +template <class T> +class DL_Algorithm_GDSA : public DL_ElgamalLikeSignatureAlgorithm<T> +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "DSA-1363";} + + void Sign(const DL_GroupParameters<T> ¶ms, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const + { + const Integer &q = params.GetSubgroupOrder(); + r %= q; + Integer kInv = k.InverseMod(q); + s = (kInv * (x*r + e)) % q; + assert(!!r && !!s); + } + + bool Verify(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const + { + const Integer &q = params.GetSubgroupOrder(); + if (r>=q || r<1 || s>=q || s<1) + return false; + + Integer w = s.InverseMod(q); + Integer u1 = (e * w) % q; + Integer u2 = (r * w) % q; + // verify r == (g^u1 * y^u2 mod p) mod q + return r == params.ConvertElementToInteger(publicKey.CascadeExponentiateBaseAndPublicElement(u1, u2)) % q; + } +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_Algorithm_GDSA<Integer>; + +//! NR algorithm +template <class T> +class DL_Algorithm_NR : public DL_ElgamalLikeSignatureAlgorithm<T> +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "NR";} + + void Sign(const DL_GroupParameters<T> ¶ms, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const + { + const Integer &q = params.GetSubgroupOrder(); + r = (r + e) % q; + s = (k - x*r) % q; + assert(!!r); + } + + bool Verify(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const + { + const Integer &q = params.GetSubgroupOrder(); + if (r>=q || r<1 || s>=q) + return false; + + // check r == (m_g^s * m_y^r + m) mod m_q + return r == (params.ConvertElementToInteger(publicKey.CascadeExponentiateBaseAndPublicElement(s, r)) + e) % q; + } +}; + +/*! DSA public key format is defined in 7.3.3 of RFC 2459. The + private key format is defined in 12.9 of PKCS #11 v2.10. */ +template <class GP> +class DL_PublicKey_GFP : public DL_PublicKeyImpl<GP> +{ +public: + void Initialize(const DL_GroupParameters_IntegerBased ¶ms, const Integer &y) + {this->AccessGroupParameters().Initialize(params); this->SetPublicElement(y);} + void Initialize(const Integer &p, const Integer &g, const Integer &y) + {this->AccessGroupParameters().Initialize(p, g); this->SetPublicElement(y);} + void Initialize(const Integer &p, const Integer &q, const Integer &g, const Integer &y) + {this->AccessGroupParameters().Initialize(p, q, g); this->SetPublicElement(y);} + + // X509PublicKey + void BERDecodePublicKey(BufferedTransformation &bt, bool, size_t) + {this->SetPublicElement(Integer(bt));} + void DEREncodePublicKey(BufferedTransformation &bt) const + {this->GetPublicElement().DEREncode(bt);} +}; + +//! DL private key (in GF(p) groups) +template <class GP> +class DL_PrivateKey_GFP : public DL_PrivateKeyImpl<GP> +{ +public: + void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits) + {this->GenerateRandomWithKeySize(rng, modulusBits);} + void Initialize(RandomNumberGenerator &rng, const Integer &p, const Integer &g) + {this->GenerateRandom(rng, MakeParameters("Modulus", p)("SubgroupGenerator", g));} + void Initialize(RandomNumberGenerator &rng, const Integer &p, const Integer &q, const Integer &g) + {this->GenerateRandom(rng, MakeParameters("Modulus", p)("SubgroupOrder", q)("SubgroupGenerator", g));} + void Initialize(const DL_GroupParameters_IntegerBased ¶ms, const Integer &x) + {this->AccessGroupParameters().Initialize(params); this->SetPrivateExponent(x);} + void Initialize(const Integer &p, const Integer &g, const Integer &x) + {this->AccessGroupParameters().Initialize(p, g); this->SetPrivateExponent(x);} + void Initialize(const Integer &p, const Integer &q, const Integer &g, const Integer &x) + {this->AccessGroupParameters().Initialize(p, q, g); this->SetPrivateExponent(x);} +}; + +//! DL signing/verification keys (in GF(p) groups) +struct DL_SignatureKeys_GFP +{ + typedef DL_GroupParameters_GFP GroupParameters; + typedef DL_PublicKey_GFP<GroupParameters> PublicKey; + typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey; +}; + +//! DL encryption/decryption keys (in GF(p) groups) +struct DL_CryptoKeys_GFP +{ + typedef DL_GroupParameters_GFP_DefaultSafePrime GroupParameters; + typedef DL_PublicKey_GFP<GroupParameters> PublicKey; + typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey; +}; + +//! provided for backwards compatibility, this class uses the old non-standard Crypto++ key format +template <class BASE> +class DL_PublicKey_GFP_OldFormat : public BASE +{ +public: + void BERDecode(BufferedTransformation &bt) + { + BERSequenceDecoder seq(bt); + Integer v1(seq); + Integer v2(seq); + Integer v3(seq); + + if (seq.EndReached()) + { + this->AccessGroupParameters().Initialize(v1, v1/2, v2); + this->SetPublicElement(v3); + } + else + { + Integer v4(seq); + this->AccessGroupParameters().Initialize(v1, v2, v3); + this->SetPublicElement(v4); + } + + seq.MessageEnd(); + } + + void DEREncode(BufferedTransformation &bt) const + { + DERSequenceEncoder seq(bt); + this->GetGroupParameters().GetModulus().DEREncode(seq); + if (this->GetGroupParameters().GetCofactor() != 2) + this->GetGroupParameters().GetSubgroupOrder().DEREncode(seq); + this->GetGroupParameters().GetGenerator().DEREncode(seq); + this->GetPublicElement().DEREncode(seq); + seq.MessageEnd(); + } +}; + +//! provided for backwards compatibility, this class uses the old non-standard Crypto++ key format +template <class BASE> +class DL_PrivateKey_GFP_OldFormat : public BASE +{ +public: + void BERDecode(BufferedTransformation &bt) + { + BERSequenceDecoder seq(bt); + Integer v1(seq); + Integer v2(seq); + Integer v3(seq); + Integer v4(seq); + + if (seq.EndReached()) + { + this->AccessGroupParameters().Initialize(v1, v1/2, v2); + this->SetPrivateExponent(v4 % (v1/2)); // some old keys may have x >= q + } + else + { + Integer v5(seq); + this->AccessGroupParameters().Initialize(v1, v2, v3); + this->SetPrivateExponent(v5); + } + + seq.MessageEnd(); + } + + void DEREncode(BufferedTransformation &bt) const + { + DERSequenceEncoder seq(bt); + this->GetGroupParameters().GetModulus().DEREncode(seq); + if (this->GetGroupParameters().GetCofactor() != 2) + this->GetGroupParameters().GetSubgroupOrder().DEREncode(seq); + this->GetGroupParameters().GetGenerator().DEREncode(seq); + this->GetGroupParameters().ExponentiateBase(this->GetPrivateExponent()).DEREncode(seq); + this->GetPrivateExponent().DEREncode(seq); + seq.MessageEnd(); + } +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#DSA-1363">DSA-1363</a> +template <class H> +struct GDSA : public DL_SS< + DL_SignatureKeys_GFP, + DL_Algorithm_GDSA<Integer>, + DL_SignatureMessageEncodingMethod_DSA, + H> +{ +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#NR">NR</a> +template <class H> +struct NR : public DL_SS< + DL_SignatureKeys_GFP, + DL_Algorithm_NR<Integer>, + DL_SignatureMessageEncodingMethod_NR, + H> +{ +}; + +//! DSA group parameters, these are GF(p) group parameters that are allowed by the DSA standard +class CRYPTOPP_DLL DL_GroupParameters_DSA : public DL_GroupParameters_GFP +{ +public: + /*! also checks that the lengths of p and q are allowed by the DSA standard */ + bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const; + /*! parameters: (ModulusSize), or (Modulus, SubgroupOrder, SubgroupGenerator) */ + /*! ModulusSize must be between DSA::MIN_PRIME_LENGTH and DSA::MAX_PRIME_LENGTH, and divisible by DSA::PRIME_LENGTH_MULTIPLE */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); +}; + +struct DSA; + +//! DSA keys +struct DL_Keys_DSA +{ + typedef DL_PublicKey_GFP<DL_GroupParameters_DSA> PublicKey; + typedef DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_GFP<DL_GroupParameters_DSA>, DSA> PrivateKey; +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#DSA">DSA</a> +struct CRYPTOPP_DLL DSA : public DL_SS< + DL_Keys_DSA, + DL_Algorithm_GDSA<Integer>, + DL_SignatureMessageEncodingMethod_DSA, + SHA, + DSA> +{ + static const char * CRYPTOPP_API StaticAlgorithmName() {return "DSA";} + + //! Generate DSA primes according to NIST standard + /*! Both seedLength and primeLength are in bits, but seedLength should + be a multiple of 8. + If useInputCounterValue == true, the counter parameter is taken as input, otherwise it's used for output + */ + static bool CRYPTOPP_API GeneratePrimes(const byte *seed, unsigned int seedLength, int &counter, + Integer &p, unsigned int primeLength, Integer &q, bool useInputCounterValue = false); + + static bool CRYPTOPP_API IsValidPrimeLength(unsigned int pbits) + {return pbits >= MIN_PRIME_LENGTH && pbits <= MAX_PRIME_LENGTH && pbits % PRIME_LENGTH_MULTIPLE == 0;} + + //! FIPS 186-2 Change Notice 1 changed the minimum modulus length to 1024 + enum { +#if (DSA_1024_BIT_MODULUS_ONLY) + MIN_PRIME_LENGTH = 1024, +#else + MIN_PRIME_LENGTH = 512, +#endif + MAX_PRIME_LENGTH = 1024, PRIME_LENGTH_MULTIPLE = 64}; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PublicKey_GFP<DL_GroupParameters_DSA>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_GFP<DL_GroupParameters_DSA>; +CRYPTOPP_DLL_TEMPLATE_CLASS DL_PrivateKey_WithSignaturePairwiseConsistencyTest<DL_PrivateKey_GFP<DL_GroupParameters_DSA>, DSA>; + +//! the XOR encryption method, for use with DL-based cryptosystems +template <class MAC, bool DHAES_MODE> +class DL_EncryptionAlgorithm_Xor : public DL_SymmetricEncryptionAlgorithm +{ +public: + bool ParameterSupported(const char *name) const {return strcmp(name, Name::EncodingParameters()) == 0;} + size_t GetSymmetricKeyLength(size_t plaintextLength) const + {return plaintextLength + MAC::DEFAULT_KEYLENGTH;} + size_t GetSymmetricCiphertextLength(size_t plaintextLength) const + {return plaintextLength + MAC::DIGESTSIZE;} + size_t GetMaxSymmetricPlaintextLength(size_t ciphertextLength) const + {return (unsigned int)SaturatingSubtract(ciphertextLength, (unsigned int)MAC::DIGESTSIZE);} + void SymmetricEncrypt(RandomNumberGenerator &rng, const byte *key, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters) const + { + const byte *cipherKey, *macKey; + if (DHAES_MODE) + { + macKey = key; + cipherKey = key + MAC::DEFAULT_KEYLENGTH; + } + else + { + cipherKey = key; + macKey = key + plaintextLength; + } + + ConstByteArrayParameter encodingParameters; + parameters.GetValue(Name::EncodingParameters(), encodingParameters); + + xorbuf(ciphertext, plaintext, cipherKey, plaintextLength); + MAC mac(macKey); + mac.Update(ciphertext, plaintextLength); + mac.Update(encodingParameters.begin(), encodingParameters.size()); + if (DHAES_MODE) + { + byte L[8] = {0,0,0,0}; + PutWord(false, BIG_ENDIAN_ORDER, L+4, word32(encodingParameters.size())); + mac.Update(L, 8); + } + mac.Final(ciphertext + plaintextLength); + } + DecodingResult SymmetricDecrypt(const byte *key, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters) const + { + size_t plaintextLength = GetMaxSymmetricPlaintextLength(ciphertextLength); + const byte *cipherKey, *macKey; + if (DHAES_MODE) + { + macKey = key; + cipherKey = key + MAC::DEFAULT_KEYLENGTH; + } + else + { + cipherKey = key; + macKey = key + plaintextLength; + } + + ConstByteArrayParameter encodingParameters; + parameters.GetValue(Name::EncodingParameters(), encodingParameters); + + MAC mac(macKey); + mac.Update(ciphertext, plaintextLength); + mac.Update(encodingParameters.begin(), encodingParameters.size()); + if (DHAES_MODE) + { + byte L[8] = {0,0,0,0}; + PutWord(false, BIG_ENDIAN_ORDER, L+4, word32(encodingParameters.size())); + mac.Update(L, 8); + } + if (!mac.Verify(ciphertext + plaintextLength)) + return DecodingResult(); + + xorbuf(plaintext, ciphertext, cipherKey, plaintextLength); + return DecodingResult(plaintextLength); + } +}; + +//! _ +template <class T, bool DHAES_MODE, class KDF> +class DL_KeyDerivationAlgorithm_P1363 : public DL_KeyDerivationAlgorithm<T> +{ +public: + bool ParameterSupported(const char *name) const {return strcmp(name, Name::KeyDerivationParameters()) == 0;} + void Derive(const DL_GroupParameters<T> ¶ms, byte *derivedKey, size_t derivedLength, const T &agreedElement, const T &ephemeralPublicKey, const NameValuePairs ¶meters) const + { + SecByteBlock agreedSecret; + if (DHAES_MODE) + { + agreedSecret.New(params.GetEncodedElementSize(true) + params.GetEncodedElementSize(false)); + params.EncodeElement(true, ephemeralPublicKey, agreedSecret); + params.EncodeElement(false, agreedElement, agreedSecret + params.GetEncodedElementSize(true)); + } + else + { + agreedSecret.New(params.GetEncodedElementSize(false)); + params.EncodeElement(false, agreedElement, agreedSecret); + } + + ConstByteArrayParameter derivationParameters; + parameters.GetValue(Name::KeyDerivationParameters(), derivationParameters); + KDF::DeriveKey(derivedKey, derivedLength, agreedSecret, agreedSecret.size(), derivationParameters.begin(), derivationParameters.size()); + } +}; + +//! Discrete Log Integrated Encryption Scheme, AKA <a href="http://www.weidai.com/scan-mirror/ca.html#DLIES">DLIES</a> +template <class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = true> +struct DLIES + : public DL_ES< + DL_CryptoKeys_GFP, + DL_KeyAgreementAlgorithm_DH<Integer, COFACTOR_OPTION>, + DL_KeyDerivationAlgorithm_P1363<Integer, DHAES_MODE, P1363_KDF2<SHA1> >, + DL_EncryptionAlgorithm_Xor<HMAC<SHA1>, DHAES_MODE>, + DLIES<> > +{ + static std::string CRYPTOPP_API StaticAlgorithmName() {return "DLIES";} // TODO: fix this after name is standardized +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gost.cpp b/CryptoPP/gost.cpp new file mode 100644 index 000000000..bbd829752 --- /dev/null +++ b/CryptoPP/gost.cpp @@ -0,0 +1,123 @@ +#include "pch.h" +#include "gost.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +// these are the S-boxes given in Applied Cryptography 2nd Ed., p. 333 +const byte GOST::Base::sBox[8][16]={ + {4, 10, 9, 2, 13, 8, 0, 14, 6, 11, 1, 12, 7, 15, 5, 3}, + {14, 11, 4, 12, 6, 13, 15, 10, 2, 3, 8, 1, 0, 7, 5, 9}, + {5, 8, 1, 13, 10, 3, 4, 2, 14, 15, 12, 7, 6, 0, 9, 11}, + {7, 13, 10, 1, 0, 8, 9, 15, 14, 4, 6, 12, 11, 2, 5, 3}, + {6, 12, 7, 1, 5, 15, 13, 8, 4, 10, 9, 14, 0, 3, 11, 2}, + {4, 11, 10, 0, 7, 2, 1, 13, 3, 6, 8, 5, 9, 12, 15, 14}, + {13, 11, 4, 1, 3, 15, 5, 9, 0, 10, 14, 7, 6, 8, 2, 12}, + {1, 15, 13, 0, 5, 7, 10, 4, 9, 2, 3, 14, 6, 11, 8, 12}}; + +/* // these are the S-boxes given in the GOST source code listing in Applied + // Cryptography 2nd Ed., p. 644. they appear to be from the DES S-boxes + {13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7 }, + { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1 }, + {12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11 }, + { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9 }, + { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15 }, + {10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8 }, + {15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10 }, + {14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7 }}; +*/ + +volatile bool GOST::Base::sTableCalculated = false; +word32 GOST::Base::sTable[4][256]; + +void GOST::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + PrecalculateSTable(); + + GetUserKey(LITTLE_ENDIAN_ORDER, key.begin(), 8, userKey, KEYLENGTH); +} + +void GOST::Base::PrecalculateSTable() +{ + if (!sTableCalculated) + { + for (unsigned i = 0; i < 4; i++) + for (unsigned j = 0; j < 256; j++) + { + word32 temp = sBox[2*i][j%16] | (sBox[2*i+1][j/16] << 4); + sTable[i][j] = rotlMod(temp, 11+8*i); + } + + sTableCalculated=true; + } +} + +#define f(x) ( t=x, \ + sTable[3][GETBYTE(t, 3)] ^ sTable[2][GETBYTE(t, 2)] \ + ^ sTable[1][GETBYTE(t, 1)] ^ sTable[0][GETBYTE(t, 0)] ) + +typedef BlockGetAndPut<word32, LittleEndian> Block; + +void GOST::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 n1, n2, t; + + Block::Get(inBlock)(n1)(n2); + + for (unsigned int i=0; i<3; i++) + { + n2 ^= f(n1+key[0]); + n1 ^= f(n2+key[1]); + n2 ^= f(n1+key[2]); + n1 ^= f(n2+key[3]); + n2 ^= f(n1+key[4]); + n1 ^= f(n2+key[5]); + n2 ^= f(n1+key[6]); + n1 ^= f(n2+key[7]); + } + + n2 ^= f(n1+key[7]); + n1 ^= f(n2+key[6]); + n2 ^= f(n1+key[5]); + n1 ^= f(n2+key[4]); + n2 ^= f(n1+key[3]); + n1 ^= f(n2+key[2]); + n2 ^= f(n1+key[1]); + n1 ^= f(n2+key[0]); + + Block::Put(xorBlock, outBlock)(n2)(n1); +} + +void GOST::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 n1, n2, t; + + Block::Get(inBlock)(n1)(n2); + + n2 ^= f(n1+key[0]); + n1 ^= f(n2+key[1]); + n2 ^= f(n1+key[2]); + n1 ^= f(n2+key[3]); + n2 ^= f(n1+key[4]); + n1 ^= f(n2+key[5]); + n2 ^= f(n1+key[6]); + n1 ^= f(n2+key[7]); + + for (unsigned int i=0; i<3; i++) + { + n2 ^= f(n1+key[7]); + n1 ^= f(n2+key[6]); + n2 ^= f(n1+key[5]); + n1 ^= f(n2+key[4]); + n2 ^= f(n1+key[3]); + n1 ^= f(n2+key[2]); + n2 ^= f(n1+key[1]); + n1 ^= f(n2+key[0]); + } + + Block::Put(xorBlock, outBlock)(n2)(n1); +} + +NAMESPACE_END diff --git a/CryptoPP/gost.h b/CryptoPP/gost.h new file mode 100644 index 000000000..e6fe4693d --- /dev/null +++ b/CryptoPP/gost.h @@ -0,0 +1,58 @@ +#ifndef CRYPTOPP_GOST_H +#define CRYPTOPP_GOST_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct GOST_Info : public FixedBlockSize<8>, public FixedKeyLength<32> +{ + static const char *StaticAlgorithmName() {return "GOST";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#GOST">GOST</a> +class GOST : public GOST_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<GOST_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + static void PrecalculateSTable(); + + static const byte sBox[8][16]; + static volatile bool sTableCalculated; + static word32 sTable[4][256]; + + FixedSizeSecBlock<word32, 8> key; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef GOST::Encryption GOSTEncryption; +typedef GOST::Decryption GOSTDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/gzip.h b/CryptoPP/gzip.h new file mode 100644 index 000000000..f3148ad71 --- /dev/null +++ b/CryptoPP/gzip.h @@ -0,0 +1,65 @@ +#ifndef CRYPTOPP_GZIP_H +#define CRYPTOPP_GZIP_H + +#include "zdeflate.h" +#include "zinflate.h" +#include "crc.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// GZIP Compression (RFC 1952) +class Gzip : public Deflator +{ +public: + Gzip(BufferedTransformation *attachment=NULL, unsigned int deflateLevel=DEFAULT_DEFLATE_LEVEL, unsigned int log2WindowSize=DEFAULT_LOG2_WINDOW_SIZE, bool detectUncompressible=true) + : Deflator(attachment, deflateLevel, log2WindowSize, detectUncompressible) {} + Gzip(const NameValuePairs ¶meters, BufferedTransformation *attachment=NULL) + : Deflator(parameters, attachment) {} + +protected: + enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header + DEFLATED=8, FAST=4, SLOW=2}; + + void WritePrestreamHeader(); + void ProcessUncompressedData(const byte *string, size_t length); + void WritePoststreamTail(); + + word32 m_totalLen; + CRC32 m_crc; +}; + +/// GZIP Decompression (RFC 1952) +class Gunzip : public Inflator +{ +public: + typedef Inflator::Err Err; + class HeaderErr : public Err {public: HeaderErr() : Err(INVALID_DATA_FORMAT, "Gunzip: header decoding error") {}}; + class TailErr : public Err {public: TailErr() : Err(INVALID_DATA_FORMAT, "Gunzip: tail too short") {}}; + class CrcErr : public Err {public: CrcErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: CRC check error") {}}; + class LengthErr : public Err {public: LengthErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: length check error") {}}; + + /*! \param repeat decompress multiple compressed streams in series + \param autoSignalPropagation 0 to turn off MessageEnd signal + */ + Gunzip(BufferedTransformation *attachment = NULL, bool repeat = false, int autoSignalPropagation = -1); + +protected: + enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header + DEFLATED=8}; + + enum FLAG_MASKS { + CONTINUED=2, EXTRA_FIELDS=4, FILENAME=8, COMMENTS=16, ENCRYPTED=32}; + + unsigned int MaxPrestreamHeaderSize() const {return 1024;} + void ProcessPrestreamHeader(); + void ProcessDecompressedData(const byte *string, size_t length); + unsigned int MaxPoststreamTailSize() const {return 8;} + void ProcessPoststreamTail(); + + word32 m_length; + CRC32 m_crc; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/hex.cpp b/CryptoPP/hex.cpp new file mode 100644 index 000000000..5731df550 --- /dev/null +++ b/CryptoPP/hex.cpp @@ -0,0 +1,44 @@ +// hex.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "hex.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const byte s_vecUpper[] = "0123456789ABCDEF"; +static const byte s_vecLower[] = "0123456789abcdef"; + +void HexEncoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + bool uppercase = parameters.GetValueWithDefault(Name::Uppercase(), true); + m_filter->Initialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0], false)(Name::Log2Base(), 4, true))); +} + +void HexDecoder::IsolatedInitialize(const NameValuePairs ¶meters) +{ + BaseN_Decoder::IsolatedInitialize(CombinedNameValuePairs( + parameters, + MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(), false)(Name::Log2Base(), 4, true))); +} + +const int *HexDecoder::GetDefaultDecodingLookupArray() +{ + static volatile bool s_initialized = false; + static int s_array[256]; + + if (!s_initialized) + { + InitializeDecodingLookupArray(s_array, s_vecUpper, 16, true); + s_initialized = true; + } + return s_array; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/hex.h b/CryptoPP/hex.h new file mode 100644 index 000000000..006914c5a --- /dev/null +++ b/CryptoPP/hex.h @@ -0,0 +1,36 @@ +#ifndef CRYPTOPP_HEX_H +#define CRYPTOPP_HEX_H + +#include "basecode.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Converts given data to base 16 +class CRYPTOPP_DLL HexEncoder : public SimpleProxyFilter +{ +public: + HexEncoder(BufferedTransformation *attachment = NULL, bool uppercase = true, int outputGroupSize = 0, const std::string &separator = ":", const std::string &terminator = "") + : SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment) + { + IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), outputGroupSize)(Name::Separator(), ConstByteArrayParameter(separator))(Name::Terminator(), ConstByteArrayParameter(terminator))); + } + + void IsolatedInitialize(const NameValuePairs ¶meters); +}; + +//! Decode base 16 data back to bytes +class CRYPTOPP_DLL HexDecoder : public BaseN_Decoder +{ +public: + HexDecoder(BufferedTransformation *attachment = NULL) + : BaseN_Decoder(GetDefaultDecodingLookupArray(), 4, attachment) {} + + void IsolatedInitialize(const NameValuePairs ¶meters); + +private: + static const int * CRYPTOPP_API GetDefaultDecodingLookupArray(); +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/hmac.cpp b/CryptoPP/hmac.cpp new file mode 100644 index 000000000..d4a649c08 --- /dev/null +++ b/CryptoPP/hmac.cpp @@ -0,0 +1,86 @@ +// hmac.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "hmac.h" + +NAMESPACE_BEGIN(CryptoPP) + +void HMAC_Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + Restart(); + + HashTransformation &hash = AccessHash(); + unsigned int blockSize = hash.BlockSize(); + + if (!blockSize) + throw InvalidArgument("HMAC: can only be used with a block-based hash function"); + + m_buf.resize(2*AccessHash().BlockSize() + AccessHash().DigestSize()); + + if (keylength <= blockSize) + memcpy(AccessIpad(), userKey, keylength); + else + { + AccessHash().CalculateDigest(AccessIpad(), userKey, keylength); + keylength = hash.DigestSize(); + } + + assert(keylength <= blockSize); + memset(AccessIpad()+keylength, 0, blockSize-keylength); + + for (unsigned int i=0; i<blockSize; i++) + { + AccessOpad()[i] = AccessIpad()[i] ^ 0x5c; + AccessIpad()[i] ^= 0x36; + } +} + +void HMAC_Base::KeyInnerHash() +{ + assert(!m_innerHashKeyed); + HashTransformation &hash = AccessHash(); + hash.Update(AccessIpad(), hash.BlockSize()); + m_innerHashKeyed = true; +} + +void HMAC_Base::Restart() +{ + if (m_innerHashKeyed) + { + AccessHash().Restart(); + m_innerHashKeyed = false; + } +} + +void HMAC_Base::Update(const byte *input, size_t length) +{ + if (!m_innerHashKeyed) + KeyInnerHash(); + AccessHash().Update(input, length); +} + +void HMAC_Base::TruncatedFinal(byte *mac, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + HashTransformation &hash = AccessHash(); + + if (!m_innerHashKeyed) + KeyInnerHash(); + hash.Final(AccessInnerHash()); + + hash.Update(AccessOpad(), hash.BlockSize()); + hash.Update(AccessInnerHash(), hash.DigestSize()); + hash.TruncatedFinal(mac, size); + + m_innerHashKeyed = false; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/hmac.h b/CryptoPP/hmac.h new file mode 100644 index 000000000..62db5ef33 --- /dev/null +++ b/CryptoPP/hmac.h @@ -0,0 +1,61 @@ +// hmac.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_HMAC_H +#define CRYPTOPP_HMAC_H + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE HMAC_Base : public VariableKeyLength<16, 0, INT_MAX>, public MessageAuthenticationCode +{ +public: + HMAC_Base() : m_innerHashKeyed(false) {} + void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms); + + void Restart(); + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *mac, size_t size); + unsigned int OptimalBlockSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().OptimalBlockSize();} + unsigned int DigestSize() const {return const_cast<HMAC_Base*>(this)->AccessHash().DigestSize();} + +protected: + virtual HashTransformation & AccessHash() =0; + byte * AccessIpad() {return m_buf;} + byte * AccessOpad() {return m_buf + AccessHash().BlockSize();} + byte * AccessInnerHash() {return m_buf + 2*AccessHash().BlockSize();} + +private: + void KeyInnerHash(); + + SecByteBlock m_buf; + bool m_innerHashKeyed; +}; + +//! <a href="http://www.weidai.com/scan-mirror/mac.html#HMAC">HMAC</a> +/*! HMAC(K, text) = H(K XOR opad, H(K XOR ipad, text)) */ +template <class T> +class HMAC : public MessageAuthenticationCodeImpl<HMAC_Base, HMAC<T> > +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE=T::DIGESTSIZE) + CRYPTOPP_CONSTANT(BLOCKSIZE=T::BLOCKSIZE) + + HMAC() {} + HMAC(const byte *key, size_t length=HMAC_Base::DEFAULT_KEYLENGTH) + {this->SetKey(key, length);} + + static std::string StaticAlgorithmName() {return std::string("HMAC(") + T::StaticAlgorithmName() + ")";} + std::string AlgorithmName() const {return std::string("HMAC(") + m_hash.AlgorithmName() + ")";} + +private: + HashTransformation & AccessHash() {return m_hash;} + + T m_hash; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/hrtimer.cpp b/CryptoPP/hrtimer.cpp new file mode 100644 index 000000000..906ec4a06 --- /dev/null +++ b/CryptoPP/hrtimer.cpp @@ -0,0 +1,139 @@ +// hrtimer.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "hrtimer.h" +#include "misc.h" +#include <stddef.h> // for NULL +#include <time.h> + +#if defined(CRYPTOPP_WIN32_AVAILABLE) +#include <windows.h> +#elif defined(CRYPTOPP_UNIX_AVAILABLE) +#include <sys/time.h> +#include <sys/times.h> +#include <unistd.h> +#endif + +#include <assert.h> + +NAMESPACE_BEGIN(CryptoPP) + +#ifndef CRYPTOPP_IMPORTS + +double TimerBase::ConvertTo(TimerWord t, Unit unit) +{ + static unsigned long unitsPerSecondTable[] = {1, 1000, 1000*1000, 1000*1000*1000}; + + assert(unit < sizeof(unitsPerSecondTable) / sizeof(unitsPerSecondTable[0])); + return (double)CRYPTOPP_VC6_INT64 t * unitsPerSecondTable[unit] / CRYPTOPP_VC6_INT64 TicksPerSecond(); +} + +void TimerBase::StartTimer() +{ + m_last = m_start = GetCurrentTimerValue(); + m_started = true; +} + +double TimerBase::ElapsedTimeAsDouble() +{ + if (m_stuckAtZero) + return 0; + + if (m_started) + { + TimerWord now = GetCurrentTimerValue(); + if (m_last < now) // protect against OS bugs where time goes backwards + m_last = now; + return ConvertTo(m_last - m_start, m_timerUnit); + } + + StartTimer(); + return 0; +} + +unsigned long TimerBase::ElapsedTime() +{ + double elapsed = ElapsedTimeAsDouble(); + assert(elapsed <= ULONG_MAX); + return (unsigned long)elapsed; +} + +TimerWord Timer::GetCurrentTimerValue() +{ +#if defined(CRYPTOPP_WIN32_AVAILABLE) + LARGE_INTEGER now; + if (!QueryPerformanceCounter(&now)) + throw Exception(Exception::OTHER_ERROR, "Timer: QueryPerformanceCounter failed with error " + IntToString(GetLastError())); + return now.QuadPart; +#elif defined(CRYPTOPP_UNIX_AVAILABLE) + timeval now; + gettimeofday(&now, NULL); + return (TimerWord)now.tv_sec * 1000000 + now.tv_usec; +#else + clock_t now; + return clock(); +#endif +} + +TimerWord Timer::TicksPerSecond() +{ +#if defined(CRYPTOPP_WIN32_AVAILABLE) + static LARGE_INTEGER freq = {0}; + if (freq.QuadPart == 0) + { + if (!QueryPerformanceFrequency(&freq)) + throw Exception(Exception::OTHER_ERROR, "Timer: QueryPerformanceFrequency failed with error " + IntToString(GetLastError())); + } + return freq.QuadPart; +#elif defined(CRYPTOPP_UNIX_AVAILABLE) + return 1000000; +#else + return CLOCKS_PER_SEC; +#endif +} + +#endif // #ifndef CRYPTOPP_IMPORTS + +TimerWord ThreadUserTimer::GetCurrentTimerValue() +{ +#if defined(CRYPTOPP_WIN32_AVAILABLE) + static bool getCurrentThreadImplemented = true; + if (getCurrentThreadImplemented) + { + FILETIME now, ignored; + if (!GetThreadTimes(GetCurrentThread(), &ignored, &ignored, &ignored, &now)) + { + DWORD lastError = GetLastError(); + if (lastError == ERROR_CALL_NOT_IMPLEMENTED) + { + getCurrentThreadImplemented = false; + goto GetCurrentThreadNotImplemented; + } + throw Exception(Exception::OTHER_ERROR, "ThreadUserTimer: GetThreadTimes failed with error " + IntToString(lastError)); + } + return now.dwLowDateTime + ((TimerWord)now.dwHighDateTime << 32); + } +GetCurrentThreadNotImplemented: + return (TimerWord)clock() * (10*1000*1000 / CLOCKS_PER_SEC); +#elif defined(CRYPTOPP_UNIX_AVAILABLE) + tms now; + times(&now); + return now.tms_utime; +#else + return clock(); +#endif +} + +TimerWord ThreadUserTimer::TicksPerSecond() +{ +#if defined(CRYPTOPP_WIN32_AVAILABLE) + return 10*1000*1000; +#elif defined(CRYPTOPP_UNIX_AVAILABLE) + static const long ticksPerSecond = sysconf(_SC_CLK_TCK); + return ticksPerSecond; +#else + return CLOCKS_PER_SEC; +#endif +} + +NAMESPACE_END diff --git a/CryptoPP/hrtimer.h b/CryptoPP/hrtimer.h new file mode 100644 index 000000000..858dbd226 --- /dev/null +++ b/CryptoPP/hrtimer.h @@ -0,0 +1,61 @@ +#ifndef CRYPTOPP_HRTIMER_H +#define CRYPTOPP_HRTIMER_H + +#include "config.h" +#ifndef HIGHRES_TIMER_AVAILABLE +#include <time.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef HIGHRES_TIMER_AVAILABLE + typedef word64 TimerWord; +#else + typedef clock_t TimerWord; +#endif + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TimerBase +{ +public: + enum Unit {SECONDS = 0, MILLISECONDS, MICROSECONDS, NANOSECONDS}; + TimerBase(Unit unit, bool stuckAtZero) : m_timerUnit(unit), m_stuckAtZero(stuckAtZero), m_started(false) {} + + virtual TimerWord GetCurrentTimerValue() =0; // GetCurrentTime is a macro in MSVC 6.0 + virtual TimerWord TicksPerSecond() =0; // this is not the resolution, just a conversion factor into seconds + + void StartTimer(); + double ElapsedTimeAsDouble(); + unsigned long ElapsedTime(); + +private: + double ConvertTo(TimerWord t, Unit unit); + + Unit m_timerUnit; // HPUX workaround: m_unit is a system macro on HPUX + bool m_stuckAtZero, m_started; + TimerWord m_start, m_last; +}; + +//! measure CPU time spent executing instructions of this thread (if supported by OS) +/*! /note This only works correctly on Windows NT or later. On Unix it reports process time, and others wall clock time. +*/ +class ThreadUserTimer : public TimerBase +{ +public: + ThreadUserTimer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {} + TimerWord GetCurrentTimerValue(); + TimerWord TicksPerSecond(); +}; + +//! high resolution timer +class CRYPTOPP_DLL Timer : public TimerBase +{ +public: + Timer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {} + TimerWord GetCurrentTimerValue(); + TimerWord TicksPerSecond(); +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ida.cpp b/CryptoPP/ida.cpp new file mode 100644 index 000000000..5cb43b228 --- /dev/null +++ b/CryptoPP/ida.cpp @@ -0,0 +1,421 @@ +// ida.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "ida.h" + +#include "algebra.h" +#include "gf2_32.h" +#include "polynomi.h" +#include <functional> + +#include "polynomi.cpp" + +ANONYMOUS_NAMESPACE_BEGIN +static const CryptoPP::GF2_32 field; +NAMESPACE_END + +using namespace std; + +NAMESPACE_BEGIN(CryptoPP) + +void RawIDA::IsolatedInitialize(const NameValuePairs ¶meters) +{ + if (!parameters.GetIntValue("RecoveryThreshold", m_threshold)) + throw InvalidArgument("RawIDA: missing RecoveryThreshold argument"); + + if (m_threshold <= 0) + throw InvalidArgument("RawIDA: RecoveryThreshold must be greater than 0"); + + m_lastMapPosition = m_inputChannelMap.end(); + m_channelsReady = 0; + m_channelsFinished = 0; + m_w.New(m_threshold); + m_y.New(m_threshold); + m_inputQueues.reserve(m_threshold); + + m_outputChannelIds.clear(); + m_outputChannelIdStrings.clear(); + m_outputQueues.clear(); + + word32 outputChannelID; + if (parameters.GetValue("OutputChannelID", outputChannelID)) + AddOutputChannel(outputChannelID); + else + { + int nShares = parameters.GetIntValueWithDefault("NumberOfShares", m_threshold); + for (int i=0; i<nShares; i++) + AddOutputChannel(i); + } +} + +unsigned int RawIDA::InsertInputChannel(word32 channelId) +{ + if (m_lastMapPosition != m_inputChannelMap.end()) + { + if (m_lastMapPosition->first == channelId) + goto skipFind; + ++m_lastMapPosition; + if (m_lastMapPosition != m_inputChannelMap.end() && m_lastMapPosition->first == channelId) + goto skipFind; + } + m_lastMapPosition = m_inputChannelMap.find(channelId); + +skipFind: + if (m_lastMapPosition == m_inputChannelMap.end()) + { + if (m_inputChannelIds.size() == m_threshold) + return m_threshold; + + m_lastMapPosition = m_inputChannelMap.insert(InputChannelMap::value_type(channelId, (unsigned int)m_inputChannelIds.size())).first; + m_inputQueues.push_back(MessageQueue()); + m_inputChannelIds.push_back(channelId); + + if (m_inputChannelIds.size() == m_threshold) + PrepareInterpolation(); + } + return m_lastMapPosition->second; +} + +unsigned int RawIDA::LookupInputChannel(word32 channelId) const +{ + map<word32, unsigned int>::const_iterator it = m_inputChannelMap.find(channelId); + if (it == m_inputChannelMap.end()) + return m_threshold; + else + return it->second; +} + +void RawIDA::ChannelData(word32 channelId, const byte *inString, size_t length, bool messageEnd) +{ + int i = InsertInputChannel(channelId); + if (i < m_threshold) + { + lword size = m_inputQueues[i].MaxRetrievable(); + m_inputQueues[i].Put(inString, length); + if (size < 4 && size + length >= 4) + { + m_channelsReady++; + if (m_channelsReady == m_threshold) + ProcessInputQueues(); + } + + if (messageEnd) + { + m_inputQueues[i].MessageEnd(); + if (m_inputQueues[i].NumberOfMessages() == 1) + { + m_channelsFinished++; + if (m_channelsFinished == m_threshold) + { + m_channelsReady = 0; + for (i=0; i<m_threshold; i++) + m_channelsReady += m_inputQueues[i].AnyRetrievable(); + ProcessInputQueues(); + } + } + } + } +} + +lword RawIDA::InputBuffered(word32 channelId) const +{ + int i = LookupInputChannel(channelId); + return i < m_threshold ? m_inputQueues[i].MaxRetrievable() : 0; +} + +void RawIDA::ComputeV(unsigned int i) +{ + if (i >= m_v.size()) + { + m_v.resize(i+1); + m_outputToInput.resize(i+1); + } + + m_outputToInput[i] = LookupInputChannel(m_outputChannelIds[i]); + if (m_outputToInput[i] == m_threshold && i * m_threshold <= 1000*1000) + { + m_v[i].resize(m_threshold); + PrepareBulkPolynomialInterpolationAt(field, m_v[i].begin(), m_outputChannelIds[i], &(m_inputChannelIds[0]), m_w.begin(), m_threshold); + } +} + +void RawIDA::AddOutputChannel(word32 channelId) +{ + m_outputChannelIds.push_back(channelId); + m_outputChannelIdStrings.push_back(WordToString(channelId)); + m_outputQueues.push_back(ByteQueue()); + if (m_inputChannelIds.size() == m_threshold) + ComputeV((unsigned int)m_outputChannelIds.size() - 1); +} + +void RawIDA::PrepareInterpolation() +{ + assert(m_inputChannelIds.size() == m_threshold); + PrepareBulkPolynomialInterpolation(field, m_w.begin(), &(m_inputChannelIds[0]), m_threshold); + for (unsigned int i=0; i<m_outputChannelIds.size(); i++) + ComputeV(i); +} + +void RawIDA::ProcessInputQueues() +{ + bool finished = (m_channelsFinished == m_threshold); + int i; + + while (finished ? m_channelsReady > 0 : m_channelsReady == m_threshold) + { + m_channelsReady = 0; + for (i=0; i<m_threshold; i++) + { + MessageQueue &queue = m_inputQueues[i]; + queue.GetWord32(m_y[i]); + + if (finished) + m_channelsReady += queue.AnyRetrievable(); + else + m_channelsReady += queue.NumberOfMessages() > 0 || queue.MaxRetrievable() >= 4; + } + + for (i=0; (unsigned int)i<m_outputChannelIds.size(); i++) + { + if (m_outputToInput[i] != m_threshold) + m_outputQueues[i].PutWord32(m_y[m_outputToInput[i]]); + else if (m_v[i].size() == m_threshold) + m_outputQueues[i].PutWord32(BulkPolynomialInterpolateAt(field, m_y.begin(), m_v[i].begin(), m_threshold)); + else + { + m_u.resize(m_threshold); + PrepareBulkPolynomialInterpolationAt(field, m_u.begin(), m_outputChannelIds[i], &(m_inputChannelIds[0]), m_w.begin(), m_threshold); + m_outputQueues[i].PutWord32(BulkPolynomialInterpolateAt(field, m_y.begin(), m_u.begin(), m_threshold)); + } + } + } + + if (m_outputChannelIds.size() > 0 && m_outputQueues[0].AnyRetrievable()) + FlushOutputQueues(); + + if (finished) + { + OutputMessageEnds(); + + m_channelsReady = 0; + m_channelsFinished = 0; + m_v.clear(); + + vector<MessageQueue> inputQueues; + vector<word32> inputChannelIds; + + inputQueues.swap(m_inputQueues); + inputChannelIds.swap(m_inputChannelIds); + m_inputChannelMap.clear(); + m_lastMapPosition = m_inputChannelMap.end(); + + for (i=0; i<m_threshold; i++) + { + inputQueues[i].GetNextMessage(); + inputQueues[i].TransferAllTo(*AttachedTransformation(), WordToString(inputChannelIds[i])); + } + } +} + +void RawIDA::FlushOutputQueues() +{ + for (unsigned int i=0; i<m_outputChannelIds.size(); i++) + m_outputQueues[i].TransferAllTo(*AttachedTransformation(), m_outputChannelIdStrings[i]); +} + +void RawIDA::OutputMessageEnds() +{ + if (GetAutoSignalPropagation() != 0) + { + for (unsigned int i=0; i<m_outputChannelIds.size(); i++) + AttachedTransformation()->ChannelMessageEnd(m_outputChannelIdStrings[i], GetAutoSignalPropagation()-1); + } +} + +// **************************************************************** + +void SecretSharing::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_pad = parameters.GetValueWithDefault("AddPadding", true); + m_ida.IsolatedInitialize(parameters); +} + +size_t SecretSharing::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (!blocking) + throw BlockingInputOnly("SecretSharing"); + + SecByteBlock buf(UnsignedMin(256, length)); + unsigned int threshold = m_ida.GetThreshold(); + while (length > 0) + { + size_t len = STDMIN(length, buf.size()); + m_ida.ChannelData(0xffffffff, begin, len, false); + for (unsigned int i=0; i<threshold-1; i++) + { + m_rng.GenerateBlock(buf, len); + m_ida.ChannelData(i, buf, len, false); + } + length -= len; + begin += len; + } + + if (messageEnd) + { + m_ida.SetAutoSignalPropagation(messageEnd-1); + if (m_pad) + { + SecretSharing::Put(1); + while (m_ida.InputBuffered(0xffffffff) > 0) + SecretSharing::Put(0); + } + m_ida.ChannelData(0xffffffff, NULL, 0, true); + for (unsigned int i=0; i<m_ida.GetThreshold()-1; i++) + m_ida.ChannelData(i, NULL, 0, true); + } + + return 0; +} + +void SecretRecovery::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_pad = parameters.GetValueWithDefault("RemovePadding", true); + RawIDA::IsolatedInitialize(CombinedNameValuePairs(parameters, MakeParameters("OutputChannelID", (word32)0xffffffff))); +} + +void SecretRecovery::FlushOutputQueues() +{ + if (m_pad) + m_outputQueues[0].TransferTo(*AttachedTransformation(), m_outputQueues[0].MaxRetrievable()-4); + else + m_outputQueues[0].TransferTo(*AttachedTransformation()); +} + +void SecretRecovery::OutputMessageEnds() +{ + if (m_pad) + { + PaddingRemover paddingRemover(new Redirector(*AttachedTransformation())); + m_outputQueues[0].TransferAllTo(paddingRemover); + } + + if (GetAutoSignalPropagation() != 0) + AttachedTransformation()->MessageEnd(GetAutoSignalPropagation()-1); +} + +// **************************************************************** + +void InformationDispersal::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_nextChannel = 0; + m_pad = parameters.GetValueWithDefault("AddPadding", true); + m_ida.IsolatedInitialize(parameters); +} + +size_t InformationDispersal::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (!blocking) + throw BlockingInputOnly("InformationDispersal"); + + while (length--) + { + m_ida.ChannelData(m_nextChannel, begin, 1, false); + begin++; + m_nextChannel++; + if (m_nextChannel == m_ida.GetThreshold()) + m_nextChannel = 0; + } + + if (messageEnd) + { + m_ida.SetAutoSignalPropagation(messageEnd-1); + if (m_pad) + InformationDispersal::Put(1); + for (word32 i=0; i<m_ida.GetThreshold(); i++) + m_ida.ChannelData(i, NULL, 0, true); + } + + return 0; +} + +void InformationRecovery::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_pad = parameters.GetValueWithDefault("RemovePadding", true); + RawIDA::IsolatedInitialize(parameters); +} + +void InformationRecovery::FlushOutputQueues() +{ + while (m_outputQueues[0].AnyRetrievable()) + { + for (unsigned int i=0; i<m_outputChannelIds.size(); i++) + m_outputQueues[i].TransferTo(m_queue, 1); + } + + if (m_pad) + m_queue.TransferTo(*AttachedTransformation(), m_queue.MaxRetrievable()-4*m_threshold); + else + m_queue.TransferTo(*AttachedTransformation()); +} + +void InformationRecovery::OutputMessageEnds() +{ + if (m_pad) + { + PaddingRemover paddingRemover(new Redirector(*AttachedTransformation())); + m_queue.TransferAllTo(paddingRemover); + } + + if (GetAutoSignalPropagation() != 0) + AttachedTransformation()->MessageEnd(GetAutoSignalPropagation()-1); +} + +size_t PaddingRemover::Put2(const byte *begin, size_t length, int messageEnd, bool blocking) +{ + if (!blocking) + throw BlockingInputOnly("PaddingRemover"); + + const byte *const end = begin + length; + + if (m_possiblePadding) + { + size_t len = find_if(begin, end, bind2nd(not_equal_to<byte>(), 0)) - begin; + m_zeroCount += len; + begin += len; + if (begin == end) + return 0; + + AttachedTransformation()->Put(1); + while (m_zeroCount--) + AttachedTransformation()->Put(0); + AttachedTransformation()->Put(*begin++); + m_possiblePadding = false; + } + +#if defined(_MSC_VER) && !defined(__MWERKS__) && (_MSC_VER <= 1300) + // VC60 and VC7 workaround: built-in reverse_iterator has two template parameters, Dinkumware only has one + typedef reverse_bidirectional_iterator<const byte *, const byte> RevIt; +#elif defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) + typedef reverse_iterator<const byte *, random_access_iterator_tag, const byte> RevIt; +#else + typedef reverse_iterator<const byte *> RevIt; +#endif + const byte *x = find_if(RevIt(end), RevIt(begin), bind2nd(not_equal_to<byte>(), 0)).base(); + if (x != begin && *(x-1) == 1) + { + AttachedTransformation()->Put(begin, x-begin-1); + m_possiblePadding = true; + m_zeroCount = end - x; + } + else + AttachedTransformation()->Put(begin, end-begin); + + if (messageEnd) + { + m_possiblePadding = false; + Output(0, begin, length, messageEnd, blocking); + } + return 0; +} + +NAMESPACE_END diff --git a/CryptoPP/ida.h b/CryptoPP/ida.h new file mode 100644 index 000000000..8ebb4ec91 --- /dev/null +++ b/CryptoPP/ida.h @@ -0,0 +1,152 @@ +#ifndef CRYPTOPP_IDA_H +#define CRYPTOPP_IDA_H + +#include "mqueue.h" +#include "filters.h" +#include "channels.h" +#include <map> +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +/// base class for secret sharing and information dispersal +class RawIDA : public AutoSignaling<Unflushable<Multichannel<Filter> > > +{ +public: + RawIDA(BufferedTransformation *attachment=NULL) + {Detach(attachment);} + + unsigned int GetThreshold() const {return m_threshold;} + void AddOutputChannel(word32 channelId); + void ChannelData(word32 channelId, const byte *inString, size_t length, bool messageEnd); + lword InputBuffered(word32 channelId) const; + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) + { + if (!blocking) + throw BlockingInputOnly("RawIDA"); + ChannelData(StringToWord<word32>(channel), begin, length, messageEnd != 0); + return 0; + } + +protected: + virtual void FlushOutputQueues(); + virtual void OutputMessageEnds(); + + unsigned int InsertInputChannel(word32 channelId); + unsigned int LookupInputChannel(word32 channelId) const; + void ComputeV(unsigned int); + void PrepareInterpolation(); + void ProcessInputQueues(); + + typedef std::map<word32, unsigned int> InputChannelMap; + InputChannelMap m_inputChannelMap; + InputChannelMap::iterator m_lastMapPosition; + std::vector<MessageQueue> m_inputQueues; + std::vector<word32> m_inputChannelIds, m_outputChannelIds, m_outputToInput; + std::vector<std::string> m_outputChannelIdStrings; + std::vector<ByteQueue> m_outputQueues; + int m_threshold; + unsigned int m_channelsReady, m_channelsFinished; + std::vector<SecBlock<word32> > m_v; + SecBlock<word32> m_u, m_w, m_y; +}; + +/// a variant of Shamir's Secret Sharing Algorithm +class SecretSharing : public CustomFlushPropagation<Filter> +{ +public: + SecretSharing(RandomNumberGenerator &rng, int threshold, int nShares, BufferedTransformation *attachment=NULL, bool addPadding=true) + : m_rng(rng), m_ida(new OutputProxy(*this, true)) + { + Detach(attachment); + IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("NumberOfShares", nShares)("AddPadding", addPadding)); + } + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) {return m_ida.Flush(hardFlush, propagation, blocking);} + +protected: + RandomNumberGenerator &m_rng; + RawIDA m_ida; + bool m_pad; +}; + +/// a variant of Shamir's Secret Sharing Algorithm +class SecretRecovery : public RawIDA +{ +public: + SecretRecovery(int threshold, BufferedTransformation *attachment=NULL, bool removePadding=true) + : RawIDA(attachment) + {IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));} + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + +protected: + void FlushOutputQueues(); + void OutputMessageEnds(); + + bool m_pad; +}; + +/// a variant of Rabin's Information Dispersal Algorithm +class InformationDispersal : public CustomFlushPropagation<Filter> +{ +public: + InformationDispersal(int threshold, int nShares, BufferedTransformation *attachment=NULL, bool addPadding=true) + : m_ida(new OutputProxy(*this, true)) + { + Detach(attachment); + IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("NumberOfShares", nShares)("AddPadding", addPadding)); + } + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) {return m_ida.Flush(hardFlush, propagation, blocking);} + +protected: + RawIDA m_ida; + bool m_pad; + unsigned int m_nextChannel; +}; + +/// a variant of Rabin's Information Dispersal Algorithm +class InformationRecovery : public RawIDA +{ +public: + InformationRecovery(int threshold, BufferedTransformation *attachment=NULL, bool removePadding=true) + : RawIDA(attachment) + {IsolatedInitialize(MakeParameters("RecoveryThreshold", threshold)("RemovePadding", removePadding));} + + void IsolatedInitialize(const NameValuePairs ¶meters=g_nullNameValuePairs); + +protected: + void FlushOutputQueues(); + void OutputMessageEnds(); + + bool m_pad; + ByteQueue m_queue; +}; + +class PaddingRemover : public Unflushable<Filter> +{ +public: + PaddingRemover(BufferedTransformation *attachment=NULL) + : m_possiblePadding(false) {Detach(attachment);} + + void IsolatedInitialize(const NameValuePairs ¶meters) {m_possiblePadding = false;} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking); + + // GetPossiblePadding() == false at the end of a message indicates incorrect padding + bool GetPossiblePadding() const {return m_possiblePadding;} + +private: + bool m_possiblePadding; + lword m_zeroCount; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/idea.cpp b/CryptoPP/idea.cpp new file mode 100644 index 000000000..793f912fb --- /dev/null +++ b/CryptoPP/idea.cpp @@ -0,0 +1,192 @@ +// idea.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "idea.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const int IDEA_KEYLEN=(6*IDEA::ROUNDS+4); // key schedule length in # of word16s + +#define low16(x) ((x)&0xffff) // compiler should be able to optimize this away if word is 16 bits +#define high16(x) ((x)>>16) + +CRYPTOPP_COMPILE_ASSERT(sizeof(IDEA::Word) >= 2); + +// should use an inline function but macros are still faster in MSVC 4.0 +#define DirectMUL(a,b) \ +{ \ + assert(b <= 0xffff); \ + \ + word32 p=(word32)low16(a)*b; \ + \ + if (p) \ + { \ + p = low16(p) - high16(p); \ + a = (IDEA::Word)p - (IDEA::Word)high16(p); \ + } \ + else \ + a = 1-a-b; \ +} + +#ifdef IDEA_LARGECACHE +volatile bool IDEA::Base::tablesBuilt = false; +word16 IDEA::Base::log[0x10000]; +word16 IDEA::Base::antilog[0x10000]; + +void IDEA::Base::BuildLogTables() +{ + if (tablesBuilt) + return; + else + { + tablesBuilt = true; + + IDEA::Word x=1; + word32 i; + + for (i=0; i<0x10000; i++) + { + antilog[i] = (word16)x; + DirectMUL(x, 3); + } + + for (i=0; i<0x10000; i++) + log[antilog[i]] = (word16)i; + } +} + +void IDEA::Base::LookupKeyLogs() +{ + IDEA::Word* Z=key; + int r=ROUNDS; + do + { + Z[0] = log[Z[0]]; + Z[3] = log[Z[3]]; + Z[4] = log[Z[4]]; + Z[5] = log[Z[5]]; + Z+=6; + } while (--r); + Z[0] = log[Z[0]]; + Z[3] = log[Z[3]]; +} + +inline void IDEA::Base::LookupMUL(IDEA::Word &a, IDEA::Word b) +{ + a = antilog[low16(log[low16(a)]+b)]; +} +#endif // IDEA_LARGECACHE + +void IDEA::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + +#ifdef IDEA_LARGECACHE + BuildLogTables(); +#endif + + EnKey(userKey); + + if (!IsForwardTransformation()) + DeKey(); + +#ifdef IDEA_LARGECACHE + LookupKeyLogs(); +#endif +} + +void IDEA::Base::EnKey (const byte *userKey) +{ + unsigned int i; + + for (i=0; i<8; i++) + m_key[i] = ((IDEA::Word)userKey[2*i]<<8) | userKey[2*i+1]; + + for (; i<IDEA_KEYLEN; i++) + { + unsigned int j = RoundDownToMultipleOf(i,8U)-8; + m_key[i] = low16((m_key[j+(i+1)%8] << 9) | (m_key[j+(i+2)%8] >> 7)); + } +} + +static IDEA::Word MulInv(IDEA::Word x) +{ + IDEA::Word y=x; + for (unsigned i=0; i<15; i++) + { + DirectMUL(y,low16(y)); + DirectMUL(y,x); + } + return low16(y); +} + +static inline IDEA::Word AddInv(IDEA::Word x) +{ + return low16(0-x); +} + +void IDEA::Base::DeKey() +{ + FixedSizeSecBlock<IDEA::Word, 6*ROUNDS+4> tempkey; + size_t i; + + for (i=0; i<ROUNDS; i++) + { + tempkey[i*6+0] = MulInv(m_key[(ROUNDS-i)*6+0]); + tempkey[i*6+1] = AddInv(m_key[(ROUNDS-i)*6+1+(i>0)]); + tempkey[i*6+2] = AddInv(m_key[(ROUNDS-i)*6+2-(i>0)]); + tempkey[i*6+3] = MulInv(m_key[(ROUNDS-i)*6+3]); + tempkey[i*6+4] = m_key[(ROUNDS-1-i)*6+4]; + tempkey[i*6+5] = m_key[(ROUNDS-1-i)*6+5]; + } + + tempkey[i*6+0] = MulInv(m_key[(ROUNDS-i)*6+0]); + tempkey[i*6+1] = AddInv(m_key[(ROUNDS-i)*6+1]); + tempkey[i*6+2] = AddInv(m_key[(ROUNDS-i)*6+2]); + tempkey[i*6+3] = MulInv(m_key[(ROUNDS-i)*6+3]); + + m_key = tempkey; +} + +#ifdef IDEA_LARGECACHE +#define MUL(a,b) LookupMUL(a,b) +#else +#define MUL(a,b) DirectMUL(a,b) +#endif + +void IDEA::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + typedef BlockGetAndPut<word16, BigEndian> Block; + + const IDEA::Word *key = m_key; + IDEA::Word x0,x1,x2,x3,t0,t1; + Block::Get(inBlock)(x0)(x1)(x2)(x3); + + for (unsigned int i=0; i<ROUNDS; i++) + { + MUL(x0, key[i*6+0]); + x1 += key[i*6+1]; + x2 += key[i*6+2]; + MUL(x3, key[i*6+3]); + t0 = x0^x2; + MUL(t0, key[i*6+4]); + t1 = t0 + (x1^x3); + MUL(t1, key[i*6+5]); + t0 += t1; + x0 ^= t1; + x3 ^= t0; + t0 ^= x1; + x1 = x2^t1; + x2 = t0; + } + + MUL(x0, key[ROUNDS*6+0]); + x2 += key[ROUNDS*6+1]; + x1 += key[ROUNDS*6+2]; + MUL(x3, key[ROUNDS*6+3]); + + Block::Put(xorBlock, outBlock)(x0)(x2)(x1)(x3); +} + +NAMESPACE_END diff --git a/CryptoPP/idea.h b/CryptoPP/idea.h new file mode 100644 index 000000000..2ab5713ad --- /dev/null +++ b/CryptoPP/idea.h @@ -0,0 +1,61 @@ +#ifndef CRYPTOPP_IDEA_H +#define CRYPTOPP_IDEA_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct IDEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public FixedRounds<8> +{ + static const char *StaticAlgorithmName() {return "IDEA";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#IDEA">IDEA</a> +class IDEA : public IDEA_Info, public BlockCipherDocumentation +{ +public: // made public for internal purposes +#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + typedef word Word; +#else + typedef hword Word; +#endif + +private: + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<IDEA_Info> + { + public: + unsigned int OptimalDataAlignment() const {return 2;} + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + private: + void EnKey(const byte *); + void DeKey(); + FixedSizeSecBlock<Word, 6*ROUNDS+4> m_key; + + #ifdef IDEA_LARGECACHE + static inline void LookupMUL(word &a, word b); + void LookupKeyLogs(); + static void BuildLogTables(); + static volatile bool tablesBuilt; + static word16 log[0x10000], antilog[0x10000]; + #endif + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +typedef IDEA::Encryption IDEAEncryption; +typedef IDEA::Decryption IDEADecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/integer.cpp b/CryptoPP/integer.cpp new file mode 100644 index 000000000..f07cce873 --- /dev/null +++ b/CryptoPP/integer.cpp @@ -0,0 +1,4235 @@ +// integer.cpp - written and placed in the public domain by Wei Dai +// contains public domain code contributed by Alister Lee and Leonard Janke + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "integer.h" +#include "modarith.h" +#include "nbtheory.h" +#include "asn.h" +#include "oids.h" +#include "words.h" +#include "algparam.h" +#include "pubkey.h" // for P1363_KDF2 +#include "sha.h" +#include "cpu.h" + +#include <iostream> + +#if _MSC_VER >= 1400 + #include <intrin.h> +#endif + +#ifdef __DECCXX + #include <c_asm.h> +#endif + +#ifdef CRYPTOPP_MSVC6_NO_PP + #pragma message("You do not seem to have the Visual C++ Processor Pack installed, so use of SSE2 instructions will be disabled.") +#endif + +#define CRYPTOPP_INTEGER_SSE2 (CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86) + +NAMESPACE_BEGIN(CryptoPP) + +bool AssignIntToInteger(const std::type_info &valueType, void *pInteger, const void *pInt) +{ + if (valueType != typeid(Integer)) + return false; + *reinterpret_cast<Integer *>(pInteger) = *reinterpret_cast<const int *>(pInt); + return true; +} + +inline static int Compare(const word *A, const word *B, size_t N) +{ + while (N--) + if (A[N] > B[N]) + return 1; + else if (A[N] < B[N]) + return -1; + + return 0; +} + +inline static int Increment(word *A, size_t N, word B=1) +{ + assert(N); + word t = A[0]; + A[0] = t+B; + if (A[0] >= t) + return 0; + for (unsigned i=1; i<N; i++) + if (++A[i]) + return 0; + return 1; +} + +inline static int Decrement(word *A, size_t N, word B=1) +{ + assert(N); + word t = A[0]; + A[0] = t-B; + if (A[0] <= t) + return 0; + for (unsigned i=1; i<N; i++) + if (A[i]--) + return 0; + return 1; +} + +static void TwosComplement(word *A, size_t N) +{ + Decrement(A, N); + for (unsigned i=0; i<N; i++) + A[i] = ~A[i]; +} + +static word AtomicInverseModPower2(word A) +{ + assert(A%2==1); + + word R=A%8; + + for (unsigned i=3; i<WORD_BITS; i*=2) + R = R*(2-R*A); + + assert(R*A==1); + return R; +} + +// ******************************************************** + +#if !defined(CRYPTOPP_NATIVE_DWORD_AVAILABLE) || (defined(__x86_64__) && defined(CRYPTOPP_WORD128_AVAILABLE)) + #define Declare2Words(x) word x##0, x##1; + #define AssignWord(a, b) a##0 = b; a##1 = 0; + #define Add2WordsBy1(a, b, c) a##0 = b##0 + c; a##1 = b##1 + (a##0 < c); + #define LowWord(a) a##0 + #define HighWord(a) a##1 + #ifdef _MSC_VER + #define MultiplyWordsLoHi(p0, p1, a, b) p0 = _umul128(a, b, &p1); + #ifndef __INTEL_COMPILER + #define Double3Words(c, d) d##1 = __shiftleft128(d##0, d##1, 1); d##0 = __shiftleft128(c, d##0, 1); c *= 2; + #endif + #elif defined(__DECCXX) + #define MultiplyWordsLoHi(p0, p1, a, b) p0 = a*b; p1 = asm("umulh %a0, %a1, %v0", a, b); + #elif defined(__x86_64__) + #if defined(__SUNPRO_CC) && __SUNPRO_CC < 0x5100 + // Sun Studio's gcc-style inline assembly is heavily bugged as of version 5.9 Patch 124864-09 2008/12/16, but this one works + #define MultiplyWordsLoHi(p0, p1, a, b) asm ("mulq %3" : "=a"(p0), "=d"(p1) : "a"(a), "r"(b) : "cc"); + #else + #define MultiplyWordsLoHi(p0, p1, a, b) asm ("mulq %3" : "=a"(p0), "=d"(p1) : "a"(a), "g"(b) : "cc"); + #define MulAcc(c, d, a, b) asm ("mulq %6; addq %3, %0; adcq %4, %1; adcq $0, %2;" : "+r"(c), "+r"(d##0), "+r"(d##1), "=a"(p0), "=d"(p1) : "a"(a), "g"(b) : "cc"); + #define Double3Words(c, d) asm ("addq %0, %0; adcq %1, %1; adcq %2, %2;" : "+r"(c), "+r"(d##0), "+r"(d##1) : : "cc"); + #define Acc2WordsBy1(a, b) asm ("addq %2, %0; adcq $0, %1;" : "+r"(a##0), "+r"(a##1) : "r"(b) : "cc"); + #define Acc2WordsBy2(a, b) asm ("addq %2, %0; adcq %3, %1;" : "+r"(a##0), "+r"(a##1) : "r"(b##0), "r"(b##1) : "cc"); + #define Acc3WordsBy2(c, d, e) asm ("addq %5, %0; adcq %6, %1; adcq $0, %2;" : "+r"(c), "=r"(e##0), "=r"(e##1) : "1"(d##0), "2"(d##1), "r"(e##0), "r"(e##1) : "cc"); + #endif + #endif + #define MultiplyWords(p, a, b) MultiplyWordsLoHi(p##0, p##1, a, b) + #ifndef Double3Words + #define Double3Words(c, d) d##1 = 2*d##1 + (d##0>>(WORD_BITS-1)); d##0 = 2*d##0 + (c>>(WORD_BITS-1)); c *= 2; + #endif + #ifndef Acc2WordsBy2 + #define Acc2WordsBy2(a, b) a##0 += b##0; a##1 += a##0 < b##0; a##1 += b##1; + #endif + #define AddWithCarry(u, a, b) {word t = a+b; u##0 = t + u##1; u##1 = (t<a) + (u##0<t);} + #define SubtractWithBorrow(u, a, b) {word t = a-b; u##0 = t - u##1; u##1 = (t>a) + (u##0>t);} + #define GetCarry(u) u##1 + #define GetBorrow(u) u##1 +#else + #define Declare2Words(x) dword x; + #if _MSC_VER >= 1400 && !defined(__INTEL_COMPILER) + #define MultiplyWords(p, a, b) p = __emulu(a, b); + #else + #define MultiplyWords(p, a, b) p = (dword)a*b; + #endif + #define AssignWord(a, b) a = b; + #define Add2WordsBy1(a, b, c) a = b + c; + #define Acc2WordsBy2(a, b) a += b; + #define LowWord(a) word(a) + #define HighWord(a) word(a>>WORD_BITS) + #define Double3Words(c, d) d = 2*d + (c>>(WORD_BITS-1)); c *= 2; + #define AddWithCarry(u, a, b) u = dword(a) + b + GetCarry(u); + #define SubtractWithBorrow(u, a, b) u = dword(a) - b - GetBorrow(u); + #define GetCarry(u) HighWord(u) + #define GetBorrow(u) word(u>>(WORD_BITS*2-1)) +#endif +#ifndef MulAcc + #define MulAcc(c, d, a, b) MultiplyWords(p, a, b); Acc2WordsBy1(p, c); c = LowWord(p); Acc2WordsBy1(d, HighWord(p)); +#endif +#ifndef Acc2WordsBy1 + #define Acc2WordsBy1(a, b) Add2WordsBy1(a, a, b) +#endif +#ifndef Acc3WordsBy2 + #define Acc3WordsBy2(c, d, e) Acc2WordsBy1(e, c); c = LowWord(e); Add2WordsBy1(e, d, HighWord(e)); +#endif + +class DWord +{ +public: + DWord() {} + +#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + explicit DWord(word low) + { + m_whole = low; + } +#else + explicit DWord(word low) + { + m_halfs.low = low; + m_halfs.high = 0; + } +#endif + + DWord(word low, word high) + { + m_halfs.low = low; + m_halfs.high = high; + } + + static DWord Multiply(word a, word b) + { + DWord r; + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + r.m_whole = (dword)a * b; + #elif defined(MultiplyWordsLoHi) + MultiplyWordsLoHi(r.m_halfs.low, r.m_halfs.high, a, b); + #endif + return r; + } + + static DWord MultiplyAndAdd(word a, word b, word c) + { + DWord r = Multiply(a, b); + return r += c; + } + + DWord & operator+=(word a) + { + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + m_whole = m_whole + a; + #else + m_halfs.low += a; + m_halfs.high += (m_halfs.low < a); + #endif + return *this; + } + + DWord operator+(word a) + { + DWord r; + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + r.m_whole = m_whole + a; + #else + r.m_halfs.low = m_halfs.low + a; + r.m_halfs.high = m_halfs.high + (r.m_halfs.low < a); + #endif + return r; + } + + DWord operator-(DWord a) + { + DWord r; + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + r.m_whole = m_whole - a.m_whole; + #else + r.m_halfs.low = m_halfs.low - a.m_halfs.low; + r.m_halfs.high = m_halfs.high - a.m_halfs.high - (r.m_halfs.low > m_halfs.low); + #endif + return r; + } + + DWord operator-(word a) + { + DWord r; + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + r.m_whole = m_whole - a; + #else + r.m_halfs.low = m_halfs.low - a; + r.m_halfs.high = m_halfs.high - (r.m_halfs.low > m_halfs.low); + #endif + return r; + } + + // returns quotient, which must fit in a word + word operator/(word divisor); + + word operator%(word a); + + bool operator!() const + { + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + return !m_whole; + #else + return !m_halfs.high && !m_halfs.low; + #endif + } + + word GetLowHalf() const {return m_halfs.low;} + word GetHighHalf() const {return m_halfs.high;} + word GetHighHalfAsBorrow() const {return 0-m_halfs.high;} + +private: + union + { + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + dword m_whole; + #endif + struct + { + #ifdef IS_LITTLE_ENDIAN + word low; + word high; + #else + word high; + word low; + #endif + } m_halfs; + }; +}; + +class Word +{ +public: + Word() {} + + Word(word value) + { + m_whole = value; + } + + Word(hword low, hword high) + { + m_whole = low | (word(high) << (WORD_BITS/2)); + } + + static Word Multiply(hword a, hword b) + { + Word r; + r.m_whole = (word)a * b; + return r; + } + + Word operator-(Word a) + { + Word r; + r.m_whole = m_whole - a.m_whole; + return r; + } + + Word operator-(hword a) + { + Word r; + r.m_whole = m_whole - a; + return r; + } + + // returns quotient, which must fit in a word + hword operator/(hword divisor) + { + return hword(m_whole / divisor); + } + + bool operator!() const + { + return !m_whole; + } + + word GetWhole() const {return m_whole;} + hword GetLowHalf() const {return hword(m_whole);} + hword GetHighHalf() const {return hword(m_whole>>(WORD_BITS/2));} + hword GetHighHalfAsBorrow() const {return 0-hword(m_whole>>(WORD_BITS/2));} + +private: + word m_whole; +}; + +// do a 3 word by 2 word divide, returns quotient and leaves remainder in A +template <class S, class D> +S DivideThreeWordsByTwo(S *A, S B0, S B1, D *dummy=NULL) +{ + // assert {A[2],A[1]} < {B1,B0}, so quotient can fit in a S + assert(A[2] < B1 || (A[2]==B1 && A[1] < B0)); + + // estimate the quotient: do a 2 S by 1 S divide + S Q; + if (S(B1+1) == 0) + Q = A[2]; + else if (B1 > 0) + Q = D(A[1], A[2]) / S(B1+1); + else + Q = D(A[0], A[1]) / B0; + + // now subtract Q*B from A + D p = D::Multiply(B0, Q); + D u = (D) A[0] - p.GetLowHalf(); + A[0] = u.GetLowHalf(); + u = (D) A[1] - p.GetHighHalf() - u.GetHighHalfAsBorrow() - D::Multiply(B1, Q); + A[1] = u.GetLowHalf(); + A[2] += u.GetHighHalf(); + + // Q <= actual quotient, so fix it + while (A[2] || A[1] > B1 || (A[1]==B1 && A[0]>=B0)) + { + u = (D) A[0] - B0; + A[0] = u.GetLowHalf(); + u = (D) A[1] - B1 - u.GetHighHalfAsBorrow(); + A[1] = u.GetLowHalf(); + A[2] += u.GetHighHalf(); + Q++; + assert(Q); // shouldn't overflow + } + + return Q; +} + +// do a 4 word by 2 word divide, returns 2 word quotient in Q0 and Q1 +template <class S, class D> +inline D DivideFourWordsByTwo(S *T, const D &Al, const D &Ah, const D &B) +{ + if (!B) // if divisor is 0, we assume divisor==2**(2*WORD_BITS) + return D(Ah.GetLowHalf(), Ah.GetHighHalf()); + else + { + S Q[2]; + T[0] = Al.GetLowHalf(); + T[1] = Al.GetHighHalf(); + T[2] = Ah.GetLowHalf(); + T[3] = Ah.GetHighHalf(); + Q[1] = DivideThreeWordsByTwo<S, D>(T+1, B.GetLowHalf(), B.GetHighHalf()); + Q[0] = DivideThreeWordsByTwo<S, D>(T, B.GetLowHalf(), B.GetHighHalf()); + return D(Q[0], Q[1]); + } +} + +// returns quotient, which must fit in a word +inline word DWord::operator/(word a) +{ + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + return word(m_whole / a); + #else + hword r[4]; + return DivideFourWordsByTwo<hword, Word>(r, m_halfs.low, m_halfs.high, a).GetWhole(); + #endif +} + +inline word DWord::operator%(word a) +{ + #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE + return word(m_whole % a); + #else + if (a < (word(1) << (WORD_BITS/2))) + { + hword h = hword(a); + word r = m_halfs.high % h; + r = ((m_halfs.low >> (WORD_BITS/2)) + (r << (WORD_BITS/2))) % h; + return hword((hword(m_halfs.low) + (r << (WORD_BITS/2))) % h); + } + else + { + hword r[4]; + DivideFourWordsByTwo<hword, Word>(r, m_halfs.low, m_halfs.high, a); + return Word(r[0], r[1]).GetWhole(); + } + #endif +} + +// ******************************************************** + +// use some tricks to share assembly code between MSVC and GCC +#if defined(__GNUC__) + #define AddPrologue \ + int result; \ + __asm__ __volatile__ \ + ( \ + ".intel_syntax noprefix;" + #define AddEpilogue \ + ".att_syntax prefix;" \ + : "=a" (result)\ + : "d" (C), "a" (A), "D" (B), "c" (N) \ + : "%esi", "memory", "cc" \ + );\ + return result; + #define MulPrologue \ + __asm__ __volatile__ \ + ( \ + ".intel_syntax noprefix;" \ + AS1( push ebx) \ + AS2( mov ebx, edx) + #define MulEpilogue \ + AS1( pop ebx) \ + ".att_syntax prefix;" \ + : \ + : "d" (s_maskLow16), "c" (C), "a" (A), "D" (B) \ + : "%esi", "memory", "cc" \ + ); + #define SquPrologue MulPrologue + #define SquEpilogue \ + AS1( pop ebx) \ + ".att_syntax prefix;" \ + : \ + : "d" (s_maskLow16), "c" (C), "a" (A) \ + : "%esi", "%edi", "memory", "cc" \ + ); + #define TopPrologue MulPrologue + #define TopEpilogue \ + AS1( pop ebx) \ + ".att_syntax prefix;" \ + : \ + : "d" (s_maskLow16), "c" (C), "a" (A), "D" (B), "S" (L) \ + : "memory", "cc" \ + ); +#else + #define AddPrologue \ + __asm push edi \ + __asm push esi \ + __asm mov eax, [esp+12] \ + __asm mov edi, [esp+16] + #define AddEpilogue \ + __asm pop esi \ + __asm pop edi \ + __asm ret 8 +#if _MSC_VER < 1300 + #define SaveEBX __asm push ebx + #define RestoreEBX __asm pop ebx +#else + #define SaveEBX + #define RestoreEBX +#endif + #define SquPrologue \ + AS2( mov eax, A) \ + AS2( mov ecx, C) \ + SaveEBX \ + AS2( lea ebx, s_maskLow16) + #define MulPrologue \ + AS2( mov eax, A) \ + AS2( mov edi, B) \ + AS2( mov ecx, C) \ + SaveEBX \ + AS2( lea ebx, s_maskLow16) + #define TopPrologue \ + AS2( mov eax, A) \ + AS2( mov edi, B) \ + AS2( mov ecx, C) \ + AS2( mov esi, L) \ + SaveEBX \ + AS2( lea ebx, s_maskLow16) + #define SquEpilogue RestoreEBX + #define MulEpilogue RestoreEBX + #define TopEpilogue RestoreEBX +#endif + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +int Baseline_Add(size_t N, word *C, const word *A, const word *B); +int Baseline_Sub(size_t N, word *C, const word *A, const word *B); +} +#elif defined(CRYPTOPP_X64_ASM_AVAILABLE) && defined(__GNUC__) && defined(CRYPTOPP_WORD128_AVAILABLE) +int Baseline_Add(size_t N, word *C, const word *A, const word *B) +{ + word result; + __asm__ __volatile__ + ( + ".intel_syntax;" + AS1( neg %1) + ASJ( jz, 1, f) + AS2( mov %0,[%3+8*%1]) + AS2( add %0,[%4+8*%1]) + AS2( mov [%2+8*%1],%0) + ASL(0) + AS2( mov %0,[%3+8*%1+8]) + AS2( adc %0,[%4+8*%1+8]) + AS2( mov [%2+8*%1+8],%0) + AS2( lea %1,[%1+2]) + ASJ( jrcxz, 1, f) + AS2( mov %0,[%3+8*%1]) + AS2( adc %0,[%4+8*%1]) + AS2( mov [%2+8*%1],%0) + ASJ( jmp, 0, b) + ASL(1) + AS2( mov %0, 0) + AS2( adc %0, %0) + ".att_syntax;" + : "=&r" (result), "+c" (N) + : "r" (C+N), "r" (A+N), "r" (B+N) + : "memory", "cc" + ); + return (int)result; +} + +int Baseline_Sub(size_t N, word *C, const word *A, const word *B) +{ + word result; + __asm__ __volatile__ + ( + ".intel_syntax;" + AS1( neg %1) + ASJ( jz, 1, f) + AS2( mov %0,[%3+8*%1]) + AS2( sub %0,[%4+8*%1]) + AS2( mov [%2+8*%1],%0) + ASL(0) + AS2( mov %0,[%3+8*%1+8]) + AS2( sbb %0,[%4+8*%1+8]) + AS2( mov [%2+8*%1+8],%0) + AS2( lea %1,[%1+2]) + ASJ( jrcxz, 1, f) + AS2( mov %0,[%3+8*%1]) + AS2( sbb %0,[%4+8*%1]) + AS2( mov [%2+8*%1],%0) + ASJ( jmp, 0, b) + ASL(1) + AS2( mov %0, 0) + AS2( adc %0, %0) + ".att_syntax;" + : "=&r" (result), "+c" (N) + : "r" (C+N), "r" (A+N), "r" (B+N) + : "memory", "cc" + ); + return (int)result; +} +#elif defined(CRYPTOPP_X86_ASM_AVAILABLE) && CRYPTOPP_BOOL_X86 +CRYPTOPP_NAKED int CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B) +{ + AddPrologue + + // now: eax = A, edi = B, edx = C, ecx = N + AS2( lea eax, [eax+4*ecx]) + AS2( lea edi, [edi+4*ecx]) + AS2( lea edx, [edx+4*ecx]) + + AS1( neg ecx) // ecx is negative index + AS2( test ecx, 2) // this clears carry flag + ASJ( jz, 0, f) + AS2( sub ecx, 2) + ASJ( jmp, 1, f) + + ASL(0) + ASJ( jecxz, 2, f) // loop until ecx overflows and becomes zero + AS2( mov esi,[eax+4*ecx]) + AS2( adc esi,[edi+4*ecx]) + AS2( mov [edx+4*ecx],esi) + AS2( mov esi,[eax+4*ecx+4]) + AS2( adc esi,[edi+4*ecx+4]) + AS2( mov [edx+4*ecx+4],esi) + ASL(1) + AS2( mov esi,[eax+4*ecx+8]) + AS2( adc esi,[edi+4*ecx+8]) + AS2( mov [edx+4*ecx+8],esi) + AS2( mov esi,[eax+4*ecx+12]) + AS2( adc esi,[edi+4*ecx+12]) + AS2( mov [edx+4*ecx+12],esi) + + AS2( lea ecx,[ecx+4]) // advance index, avoid inc which causes slowdown on Intel Core 2 + ASJ( jmp, 0, b) + + ASL(2) + AS2( mov eax, 0) + AS1( setc al) // store carry into eax (return result register) + + AddEpilogue +} + +CRYPTOPP_NAKED int CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B) +{ + AddPrologue + + // now: eax = A, edi = B, edx = C, ecx = N + AS2( lea eax, [eax+4*ecx]) + AS2( lea edi, [edi+4*ecx]) + AS2( lea edx, [edx+4*ecx]) + + AS1( neg ecx) // ecx is negative index + AS2( test ecx, 2) // this clears carry flag + ASJ( jz, 0, f) + AS2( sub ecx, 2) + ASJ( jmp, 1, f) + + ASL(0) + ASJ( jecxz, 2, f) // loop until ecx overflows and becomes zero + AS2( mov esi,[eax+4*ecx]) + AS2( sbb esi,[edi+4*ecx]) + AS2( mov [edx+4*ecx],esi) + AS2( mov esi,[eax+4*ecx+4]) + AS2( sbb esi,[edi+4*ecx+4]) + AS2( mov [edx+4*ecx+4],esi) + ASL(1) + AS2( mov esi,[eax+4*ecx+8]) + AS2( sbb esi,[edi+4*ecx+8]) + AS2( mov [edx+4*ecx+8],esi) + AS2( mov esi,[eax+4*ecx+12]) + AS2( sbb esi,[edi+4*ecx+12]) + AS2( mov [edx+4*ecx+12],esi) + + AS2( lea ecx,[ecx+4]) // advance index, avoid inc which causes slowdown on Intel Core 2 + ASJ( jmp, 0, b) + + ASL(2) + AS2( mov eax, 0) + AS1( setc al) // store carry into eax (return result register) + + AddEpilogue +} + +#if CRYPTOPP_INTEGER_SSE2 +CRYPTOPP_NAKED int CRYPTOPP_FASTCALL SSE2_Add(size_t N, word *C, const word *A, const word *B) +{ + AddPrologue + + // now: eax = A, edi = B, edx = C, ecx = N + AS2( lea eax, [eax+4*ecx]) + AS2( lea edi, [edi+4*ecx]) + AS2( lea edx, [edx+4*ecx]) + + AS1( neg ecx) // ecx is negative index + AS2( pxor mm2, mm2) + ASJ( jz, 2, f) + AS2( test ecx, 2) // this clears carry flag + ASJ( jz, 0, f) + AS2( sub ecx, 2) + ASJ( jmp, 1, f) + + ASL(0) + AS2( movd mm0, DWORD PTR [eax+4*ecx]) + AS2( movd mm1, DWORD PTR [edi+4*ecx]) + AS2( paddq mm0, mm1) + AS2( paddq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx], mm2) + AS2( psrlq mm2, 32) + + AS2( movd mm0, DWORD PTR [eax+4*ecx+4]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+4]) + AS2( paddq mm0, mm1) + AS2( paddq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx+4], mm2) + AS2( psrlq mm2, 32) + + ASL(1) + AS2( movd mm0, DWORD PTR [eax+4*ecx+8]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+8]) + AS2( paddq mm0, mm1) + AS2( paddq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx+8], mm2) + AS2( psrlq mm2, 32) + + AS2( movd mm0, DWORD PTR [eax+4*ecx+12]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+12]) + AS2( paddq mm0, mm1) + AS2( paddq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx+12], mm2) + AS2( psrlq mm2, 32) + + AS2( add ecx, 4) + ASJ( jnz, 0, b) + + ASL(2) + AS2( movd eax, mm2) + AS1( emms) + + AddEpilogue +} +CRYPTOPP_NAKED int CRYPTOPP_FASTCALL SSE2_Sub(size_t N, word *C, const word *A, const word *B) +{ + AddPrologue + + // now: eax = A, edi = B, edx = C, ecx = N + AS2( lea eax, [eax+4*ecx]) + AS2( lea edi, [edi+4*ecx]) + AS2( lea edx, [edx+4*ecx]) + + AS1( neg ecx) // ecx is negative index + AS2( pxor mm2, mm2) + ASJ( jz, 2, f) + AS2( test ecx, 2) // this clears carry flag + ASJ( jz, 0, f) + AS2( sub ecx, 2) + ASJ( jmp, 1, f) + + ASL(0) + AS2( movd mm0, DWORD PTR [eax+4*ecx]) + AS2( movd mm1, DWORD PTR [edi+4*ecx]) + AS2( psubq mm0, mm1) + AS2( psubq mm0, mm2) + AS2( movd DWORD PTR [edx+4*ecx], mm0) + AS2( psrlq mm0, 63) + + AS2( movd mm2, DWORD PTR [eax+4*ecx+4]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+4]) + AS2( psubq mm2, mm1) + AS2( psubq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx+4], mm2) + AS2( psrlq mm2, 63) + + ASL(1) + AS2( movd mm0, DWORD PTR [eax+4*ecx+8]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+8]) + AS2( psubq mm0, mm1) + AS2( psubq mm0, mm2) + AS2( movd DWORD PTR [edx+4*ecx+8], mm0) + AS2( psrlq mm0, 63) + + AS2( movd mm2, DWORD PTR [eax+4*ecx+12]) + AS2( movd mm1, DWORD PTR [edi+4*ecx+12]) + AS2( psubq mm2, mm1) + AS2( psubq mm2, mm0) + AS2( movd DWORD PTR [edx+4*ecx+12], mm2) + AS2( psrlq mm2, 63) + + AS2( add ecx, 4) + ASJ( jnz, 0, b) + + ASL(2) + AS2( movd eax, mm2) + AS1( emms) + + AddEpilogue +} +#endif // #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#else +int CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B) +{ + assert (N%2 == 0); + + Declare2Words(u); + AssignWord(u, 0); + for (size_t i=0; i<N; i+=2) + { + AddWithCarry(u, A[i], B[i]); + C[i] = LowWord(u); + AddWithCarry(u, A[i+1], B[i+1]); + C[i+1] = LowWord(u); + } + return int(GetCarry(u)); +} + +int CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B) +{ + assert (N%2 == 0); + + Declare2Words(u); + AssignWord(u, 0); + for (size_t i=0; i<N; i+=2) + { + SubtractWithBorrow(u, A[i], B[i]); + C[i] = LowWord(u); + SubtractWithBorrow(u, A[i+1], B[i+1]); + C[i+1] = LowWord(u); + } + return int(GetBorrow(u)); +} +#endif + +static word LinearMultiply(word *C, const word *A, word B, size_t N) +{ + word carry=0; + for(unsigned i=0; i<N; i++) + { + Declare2Words(p); + MultiplyWords(p, A[i], B); + Acc2WordsBy1(p, carry); + C[i] = LowWord(p); + carry = HighWord(p); + } + return carry; +} + +#ifndef CRYPTOPP_DOXYGEN_PROCESSING + +#define Mul_2 \ + Mul_Begin(2) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_End(1, 1) + +#define Mul_4 \ + Mul_Begin(4) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 0, 2) Mul_Acc(1, 1) Mul_Acc(2, 0) \ + Mul_SaveAcc(2, 0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Mul_SaveAcc(3, 1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) \ + Mul_SaveAcc(4, 2, 3) Mul_Acc(3, 2) \ + Mul_End(5, 3) + +#define Mul_8 \ + Mul_Begin(8) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 0, 2) Mul_Acc(1, 1) Mul_Acc(2, 0) \ + Mul_SaveAcc(2, 0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Mul_SaveAcc(3, 0, 4) Mul_Acc(1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) Mul_Acc(4, 0) \ + Mul_SaveAcc(4, 0, 5) Mul_Acc(1, 4) Mul_Acc(2, 3) Mul_Acc(3, 2) Mul_Acc(4, 1) Mul_Acc(5, 0) \ + Mul_SaveAcc(5, 0, 6) Mul_Acc(1, 5) Mul_Acc(2, 4) Mul_Acc(3, 3) Mul_Acc(4, 2) Mul_Acc(5, 1) Mul_Acc(6, 0) \ + Mul_SaveAcc(6, 0, 7) Mul_Acc(1, 6) Mul_Acc(2, 5) Mul_Acc(3, 4) Mul_Acc(4, 3) Mul_Acc(5, 2) Mul_Acc(6, 1) Mul_Acc(7, 0) \ + Mul_SaveAcc(7, 1, 7) Mul_Acc(2, 6) Mul_Acc(3, 5) Mul_Acc(4, 4) Mul_Acc(5, 3) Mul_Acc(6, 2) Mul_Acc(7, 1) \ + Mul_SaveAcc(8, 2, 7) Mul_Acc(3, 6) Mul_Acc(4, 5) Mul_Acc(5, 4) Mul_Acc(6, 3) Mul_Acc(7, 2) \ + Mul_SaveAcc(9, 3, 7) Mul_Acc(4, 6) Mul_Acc(5, 5) Mul_Acc(6, 4) Mul_Acc(7, 3) \ + Mul_SaveAcc(10, 4, 7) Mul_Acc(5, 6) Mul_Acc(6, 5) Mul_Acc(7, 4) \ + Mul_SaveAcc(11, 5, 7) Mul_Acc(6, 6) Mul_Acc(7, 5) \ + Mul_SaveAcc(12, 6, 7) Mul_Acc(7, 6) \ + Mul_End(13, 7) + +#define Mul_16 \ + Mul_Begin(16) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 0, 2) Mul_Acc(1, 1) Mul_Acc(2, 0) \ + Mul_SaveAcc(2, 0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Mul_SaveAcc(3, 0, 4) Mul_Acc(1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) Mul_Acc(4, 0) \ + Mul_SaveAcc(4, 0, 5) Mul_Acc(1, 4) Mul_Acc(2, 3) Mul_Acc(3, 2) Mul_Acc(4, 1) Mul_Acc(5, 0) \ + Mul_SaveAcc(5, 0, 6) Mul_Acc(1, 5) Mul_Acc(2, 4) Mul_Acc(3, 3) Mul_Acc(4, 2) Mul_Acc(5, 1) Mul_Acc(6, 0) \ + Mul_SaveAcc(6, 0, 7) Mul_Acc(1, 6) Mul_Acc(2, 5) Mul_Acc(3, 4) Mul_Acc(4, 3) Mul_Acc(5, 2) Mul_Acc(6, 1) Mul_Acc(7, 0) \ + Mul_SaveAcc(7, 0, 8) Mul_Acc(1, 7) Mul_Acc(2, 6) Mul_Acc(3, 5) Mul_Acc(4, 4) Mul_Acc(5, 3) Mul_Acc(6, 2) Mul_Acc(7, 1) Mul_Acc(8, 0) \ + Mul_SaveAcc(8, 0, 9) Mul_Acc(1, 8) Mul_Acc(2, 7) Mul_Acc(3, 6) Mul_Acc(4, 5) Mul_Acc(5, 4) Mul_Acc(6, 3) Mul_Acc(7, 2) Mul_Acc(8, 1) Mul_Acc(9, 0) \ + Mul_SaveAcc(9, 0, 10) Mul_Acc(1, 9) Mul_Acc(2, 8) Mul_Acc(3, 7) Mul_Acc(4, 6) Mul_Acc(5, 5) Mul_Acc(6, 4) Mul_Acc(7, 3) Mul_Acc(8, 2) Mul_Acc(9, 1) Mul_Acc(10, 0) \ + Mul_SaveAcc(10, 0, 11) Mul_Acc(1, 10) Mul_Acc(2, 9) Mul_Acc(3, 8) Mul_Acc(4, 7) Mul_Acc(5, 6) Mul_Acc(6, 5) Mul_Acc(7, 4) Mul_Acc(8, 3) Mul_Acc(9, 2) Mul_Acc(10, 1) Mul_Acc(11, 0) \ + Mul_SaveAcc(11, 0, 12) Mul_Acc(1, 11) Mul_Acc(2, 10) Mul_Acc(3, 9) Mul_Acc(4, 8) Mul_Acc(5, 7) Mul_Acc(6, 6) Mul_Acc(7, 5) Mul_Acc(8, 4) Mul_Acc(9, 3) Mul_Acc(10, 2) Mul_Acc(11, 1) Mul_Acc(12, 0) \ + Mul_SaveAcc(12, 0, 13) Mul_Acc(1, 12) Mul_Acc(2, 11) Mul_Acc(3, 10) Mul_Acc(4, 9) Mul_Acc(5, 8) Mul_Acc(6, 7) Mul_Acc(7, 6) Mul_Acc(8, 5) Mul_Acc(9, 4) Mul_Acc(10, 3) Mul_Acc(11, 2) Mul_Acc(12, 1) Mul_Acc(13, 0) \ + Mul_SaveAcc(13, 0, 14) Mul_Acc(1, 13) Mul_Acc(2, 12) Mul_Acc(3, 11) Mul_Acc(4, 10) Mul_Acc(5, 9) Mul_Acc(6, 8) Mul_Acc(7, 7) Mul_Acc(8, 6) Mul_Acc(9, 5) Mul_Acc(10, 4) Mul_Acc(11, 3) Mul_Acc(12, 2) Mul_Acc(13, 1) Mul_Acc(14, 0) \ + Mul_SaveAcc(14, 0, 15) Mul_Acc(1, 14) Mul_Acc(2, 13) Mul_Acc(3, 12) Mul_Acc(4, 11) Mul_Acc(5, 10) Mul_Acc(6, 9) Mul_Acc(7, 8) Mul_Acc(8, 7) Mul_Acc(9, 6) Mul_Acc(10, 5) Mul_Acc(11, 4) Mul_Acc(12, 3) Mul_Acc(13, 2) Mul_Acc(14, 1) Mul_Acc(15, 0) \ + Mul_SaveAcc(15, 1, 15) Mul_Acc(2, 14) Mul_Acc(3, 13) Mul_Acc(4, 12) Mul_Acc(5, 11) Mul_Acc(6, 10) Mul_Acc(7, 9) Mul_Acc(8, 8) Mul_Acc(9, 7) Mul_Acc(10, 6) Mul_Acc(11, 5) Mul_Acc(12, 4) Mul_Acc(13, 3) Mul_Acc(14, 2) Mul_Acc(15, 1) \ + Mul_SaveAcc(16, 2, 15) Mul_Acc(3, 14) Mul_Acc(4, 13) Mul_Acc(5, 12) Mul_Acc(6, 11) Mul_Acc(7, 10) Mul_Acc(8, 9) Mul_Acc(9, 8) Mul_Acc(10, 7) Mul_Acc(11, 6) Mul_Acc(12, 5) Mul_Acc(13, 4) Mul_Acc(14, 3) Mul_Acc(15, 2) \ + Mul_SaveAcc(17, 3, 15) Mul_Acc(4, 14) Mul_Acc(5, 13) Mul_Acc(6, 12) Mul_Acc(7, 11) Mul_Acc(8, 10) Mul_Acc(9, 9) Mul_Acc(10, 8) Mul_Acc(11, 7) Mul_Acc(12, 6) Mul_Acc(13, 5) Mul_Acc(14, 4) Mul_Acc(15, 3) \ + Mul_SaveAcc(18, 4, 15) Mul_Acc(5, 14) Mul_Acc(6, 13) Mul_Acc(7, 12) Mul_Acc(8, 11) Mul_Acc(9, 10) Mul_Acc(10, 9) Mul_Acc(11, 8) Mul_Acc(12, 7) Mul_Acc(13, 6) Mul_Acc(14, 5) Mul_Acc(15, 4) \ + Mul_SaveAcc(19, 5, 15) Mul_Acc(6, 14) Mul_Acc(7, 13) Mul_Acc(8, 12) Mul_Acc(9, 11) Mul_Acc(10, 10) Mul_Acc(11, 9) Mul_Acc(12, 8) Mul_Acc(13, 7) Mul_Acc(14, 6) Mul_Acc(15, 5) \ + Mul_SaveAcc(20, 6, 15) Mul_Acc(7, 14) Mul_Acc(8, 13) Mul_Acc(9, 12) Mul_Acc(10, 11) Mul_Acc(11, 10) Mul_Acc(12, 9) Mul_Acc(13, 8) Mul_Acc(14, 7) Mul_Acc(15, 6) \ + Mul_SaveAcc(21, 7, 15) Mul_Acc(8, 14) Mul_Acc(9, 13) Mul_Acc(10, 12) Mul_Acc(11, 11) Mul_Acc(12, 10) Mul_Acc(13, 9) Mul_Acc(14, 8) Mul_Acc(15, 7) \ + Mul_SaveAcc(22, 8, 15) Mul_Acc(9, 14) Mul_Acc(10, 13) Mul_Acc(11, 12) Mul_Acc(12, 11) Mul_Acc(13, 10) Mul_Acc(14, 9) Mul_Acc(15, 8) \ + Mul_SaveAcc(23, 9, 15) Mul_Acc(10, 14) Mul_Acc(11, 13) Mul_Acc(12, 12) Mul_Acc(13, 11) Mul_Acc(14, 10) Mul_Acc(15, 9) \ + Mul_SaveAcc(24, 10, 15) Mul_Acc(11, 14) Mul_Acc(12, 13) Mul_Acc(13, 12) Mul_Acc(14, 11) Mul_Acc(15, 10) \ + Mul_SaveAcc(25, 11, 15) Mul_Acc(12, 14) Mul_Acc(13, 13) Mul_Acc(14, 12) Mul_Acc(15, 11) \ + Mul_SaveAcc(26, 12, 15) Mul_Acc(13, 14) Mul_Acc(14, 13) Mul_Acc(15, 12) \ + Mul_SaveAcc(27, 13, 15) Mul_Acc(14, 14) Mul_Acc(15, 13) \ + Mul_SaveAcc(28, 14, 15) Mul_Acc(15, 14) \ + Mul_End(29, 15) + +#define Squ_2 \ + Squ_Begin(2) \ + Squ_End(2) + +#define Squ_4 \ + Squ_Begin(4) \ + Squ_SaveAcc(1, 0, 2) Squ_Diag(1) \ + Squ_SaveAcc(2, 0, 3) Squ_Acc(1, 2) Squ_NonDiag \ + Squ_SaveAcc(3, 1, 3) Squ_Diag(2) \ + Squ_SaveAcc(4, 2, 3) Squ_NonDiag \ + Squ_End(4) + +#define Squ_8 \ + Squ_Begin(8) \ + Squ_SaveAcc(1, 0, 2) Squ_Diag(1) \ + Squ_SaveAcc(2, 0, 3) Squ_Acc(1, 2) Squ_NonDiag \ + Squ_SaveAcc(3, 0, 4) Squ_Acc(1, 3) Squ_Diag(2) \ + Squ_SaveAcc(4, 0, 5) Squ_Acc(1, 4) Squ_Acc(2, 3) Squ_NonDiag \ + Squ_SaveAcc(5, 0, 6) Squ_Acc(1, 5) Squ_Acc(2, 4) Squ_Diag(3) \ + Squ_SaveAcc(6, 0, 7) Squ_Acc(1, 6) Squ_Acc(2, 5) Squ_Acc(3, 4) Squ_NonDiag \ + Squ_SaveAcc(7, 1, 7) Squ_Acc(2, 6) Squ_Acc(3, 5) Squ_Diag(4) \ + Squ_SaveAcc(8, 2, 7) Squ_Acc(3, 6) Squ_Acc(4, 5) Squ_NonDiag \ + Squ_SaveAcc(9, 3, 7) Squ_Acc(4, 6) Squ_Diag(5) \ + Squ_SaveAcc(10, 4, 7) Squ_Acc(5, 6) Squ_NonDiag \ + Squ_SaveAcc(11, 5, 7) Squ_Diag(6) \ + Squ_SaveAcc(12, 6, 7) Squ_NonDiag \ + Squ_End(8) + +#define Squ_16 \ + Squ_Begin(16) \ + Squ_SaveAcc(1, 0, 2) Squ_Diag(1) \ + Squ_SaveAcc(2, 0, 3) Squ_Acc(1, 2) Squ_NonDiag \ + Squ_SaveAcc(3, 0, 4) Squ_Acc(1, 3) Squ_Diag(2) \ + Squ_SaveAcc(4, 0, 5) Squ_Acc(1, 4) Squ_Acc(2, 3) Squ_NonDiag \ + Squ_SaveAcc(5, 0, 6) Squ_Acc(1, 5) Squ_Acc(2, 4) Squ_Diag(3) \ + Squ_SaveAcc(6, 0, 7) Squ_Acc(1, 6) Squ_Acc(2, 5) Squ_Acc(3, 4) Squ_NonDiag \ + Squ_SaveAcc(7, 0, 8) Squ_Acc(1, 7) Squ_Acc(2, 6) Squ_Acc(3, 5) Squ_Diag(4) \ + Squ_SaveAcc(8, 0, 9) Squ_Acc(1, 8) Squ_Acc(2, 7) Squ_Acc(3, 6) Squ_Acc(4, 5) Squ_NonDiag \ + Squ_SaveAcc(9, 0, 10) Squ_Acc(1, 9) Squ_Acc(2, 8) Squ_Acc(3, 7) Squ_Acc(4, 6) Squ_Diag(5) \ + Squ_SaveAcc(10, 0, 11) Squ_Acc(1, 10) Squ_Acc(2, 9) Squ_Acc(3, 8) Squ_Acc(4, 7) Squ_Acc(5, 6) Squ_NonDiag \ + Squ_SaveAcc(11, 0, 12) Squ_Acc(1, 11) Squ_Acc(2, 10) Squ_Acc(3, 9) Squ_Acc(4, 8) Squ_Acc(5, 7) Squ_Diag(6) \ + Squ_SaveAcc(12, 0, 13) Squ_Acc(1, 12) Squ_Acc(2, 11) Squ_Acc(3, 10) Squ_Acc(4, 9) Squ_Acc(5, 8) Squ_Acc(6, 7) Squ_NonDiag \ + Squ_SaveAcc(13, 0, 14) Squ_Acc(1, 13) Squ_Acc(2, 12) Squ_Acc(3, 11) Squ_Acc(4, 10) Squ_Acc(5, 9) Squ_Acc(6, 8) Squ_Diag(7) \ + Squ_SaveAcc(14, 0, 15) Squ_Acc(1, 14) Squ_Acc(2, 13) Squ_Acc(3, 12) Squ_Acc(4, 11) Squ_Acc(5, 10) Squ_Acc(6, 9) Squ_Acc(7, 8) Squ_NonDiag \ + Squ_SaveAcc(15, 1, 15) Squ_Acc(2, 14) Squ_Acc(3, 13) Squ_Acc(4, 12) Squ_Acc(5, 11) Squ_Acc(6, 10) Squ_Acc(7, 9) Squ_Diag(8) \ + Squ_SaveAcc(16, 2, 15) Squ_Acc(3, 14) Squ_Acc(4, 13) Squ_Acc(5, 12) Squ_Acc(6, 11) Squ_Acc(7, 10) Squ_Acc(8, 9) Squ_NonDiag \ + Squ_SaveAcc(17, 3, 15) Squ_Acc(4, 14) Squ_Acc(5, 13) Squ_Acc(6, 12) Squ_Acc(7, 11) Squ_Acc(8, 10) Squ_Diag(9) \ + Squ_SaveAcc(18, 4, 15) Squ_Acc(5, 14) Squ_Acc(6, 13) Squ_Acc(7, 12) Squ_Acc(8, 11) Squ_Acc(9, 10) Squ_NonDiag \ + Squ_SaveAcc(19, 5, 15) Squ_Acc(6, 14) Squ_Acc(7, 13) Squ_Acc(8, 12) Squ_Acc(9, 11) Squ_Diag(10) \ + Squ_SaveAcc(20, 6, 15) Squ_Acc(7, 14) Squ_Acc(8, 13) Squ_Acc(9, 12) Squ_Acc(10, 11) Squ_NonDiag \ + Squ_SaveAcc(21, 7, 15) Squ_Acc(8, 14) Squ_Acc(9, 13) Squ_Acc(10, 12) Squ_Diag(11) \ + Squ_SaveAcc(22, 8, 15) Squ_Acc(9, 14) Squ_Acc(10, 13) Squ_Acc(11, 12) Squ_NonDiag \ + Squ_SaveAcc(23, 9, 15) Squ_Acc(10, 14) Squ_Acc(11, 13) Squ_Diag(12) \ + Squ_SaveAcc(24, 10, 15) Squ_Acc(11, 14) Squ_Acc(12, 13) Squ_NonDiag \ + Squ_SaveAcc(25, 11, 15) Squ_Acc(12, 14) Squ_Diag(13) \ + Squ_SaveAcc(26, 12, 15) Squ_Acc(13, 14) Squ_NonDiag \ + Squ_SaveAcc(27, 13, 15) Squ_Diag(14) \ + Squ_SaveAcc(28, 14, 15) Squ_NonDiag \ + Squ_End(16) + +#define Bot_2 \ + Mul_Begin(2) \ + Bot_SaveAcc(0, 0, 1) Bot_Acc(1, 0) \ + Bot_End(2) + +#define Bot_4 \ + Mul_Begin(4) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 2, 0) Mul_Acc(1, 1) Mul_Acc(0, 2) \ + Bot_SaveAcc(2, 0, 3) Bot_Acc(1, 2) Bot_Acc(2, 1) Bot_Acc(3, 0) \ + Bot_End(4) + +#define Bot_8 \ + Mul_Begin(8) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 0, 2) Mul_Acc(1, 1) Mul_Acc(2, 0) \ + Mul_SaveAcc(2, 0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Mul_SaveAcc(3, 0, 4) Mul_Acc(1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) Mul_Acc(4, 0) \ + Mul_SaveAcc(4, 0, 5) Mul_Acc(1, 4) Mul_Acc(2, 3) Mul_Acc(3, 2) Mul_Acc(4, 1) Mul_Acc(5, 0) \ + Mul_SaveAcc(5, 0, 6) Mul_Acc(1, 5) Mul_Acc(2, 4) Mul_Acc(3, 3) Mul_Acc(4, 2) Mul_Acc(5, 1) Mul_Acc(6, 0) \ + Bot_SaveAcc(6, 0, 7) Bot_Acc(1, 6) Bot_Acc(2, 5) Bot_Acc(3, 4) Bot_Acc(4, 3) Bot_Acc(5, 2) Bot_Acc(6, 1) Bot_Acc(7, 0) \ + Bot_End(8) + +#define Bot_16 \ + Mul_Begin(16) \ + Mul_SaveAcc(0, 0, 1) Mul_Acc(1, 0) \ + Mul_SaveAcc(1, 0, 2) Mul_Acc(1, 1) Mul_Acc(2, 0) \ + Mul_SaveAcc(2, 0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Mul_SaveAcc(3, 0, 4) Mul_Acc(1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) Mul_Acc(4, 0) \ + Mul_SaveAcc(4, 0, 5) Mul_Acc(1, 4) Mul_Acc(2, 3) Mul_Acc(3, 2) Mul_Acc(4, 1) Mul_Acc(5, 0) \ + Mul_SaveAcc(5, 0, 6) Mul_Acc(1, 5) Mul_Acc(2, 4) Mul_Acc(3, 3) Mul_Acc(4, 2) Mul_Acc(5, 1) Mul_Acc(6, 0) \ + Mul_SaveAcc(6, 0, 7) Mul_Acc(1, 6) Mul_Acc(2, 5) Mul_Acc(3, 4) Mul_Acc(4, 3) Mul_Acc(5, 2) Mul_Acc(6, 1) Mul_Acc(7, 0) \ + Mul_SaveAcc(7, 0, 8) Mul_Acc(1, 7) Mul_Acc(2, 6) Mul_Acc(3, 5) Mul_Acc(4, 4) Mul_Acc(5, 3) Mul_Acc(6, 2) Mul_Acc(7, 1) Mul_Acc(8, 0) \ + Mul_SaveAcc(8, 0, 9) Mul_Acc(1, 8) Mul_Acc(2, 7) Mul_Acc(3, 6) Mul_Acc(4, 5) Mul_Acc(5, 4) Mul_Acc(6, 3) Mul_Acc(7, 2) Mul_Acc(8, 1) Mul_Acc(9, 0) \ + Mul_SaveAcc(9, 0, 10) Mul_Acc(1, 9) Mul_Acc(2, 8) Mul_Acc(3, 7) Mul_Acc(4, 6) Mul_Acc(5, 5) Mul_Acc(6, 4) Mul_Acc(7, 3) Mul_Acc(8, 2) Mul_Acc(9, 1) Mul_Acc(10, 0) \ + Mul_SaveAcc(10, 0, 11) Mul_Acc(1, 10) Mul_Acc(2, 9) Mul_Acc(3, 8) Mul_Acc(4, 7) Mul_Acc(5, 6) Mul_Acc(6, 5) Mul_Acc(7, 4) Mul_Acc(8, 3) Mul_Acc(9, 2) Mul_Acc(10, 1) Mul_Acc(11, 0) \ + Mul_SaveAcc(11, 0, 12) Mul_Acc(1, 11) Mul_Acc(2, 10) Mul_Acc(3, 9) Mul_Acc(4, 8) Mul_Acc(5, 7) Mul_Acc(6, 6) Mul_Acc(7, 5) Mul_Acc(8, 4) Mul_Acc(9, 3) Mul_Acc(10, 2) Mul_Acc(11, 1) Mul_Acc(12, 0) \ + Mul_SaveAcc(12, 0, 13) Mul_Acc(1, 12) Mul_Acc(2, 11) Mul_Acc(3, 10) Mul_Acc(4, 9) Mul_Acc(5, 8) Mul_Acc(6, 7) Mul_Acc(7, 6) Mul_Acc(8, 5) Mul_Acc(9, 4) Mul_Acc(10, 3) Mul_Acc(11, 2) Mul_Acc(12, 1) Mul_Acc(13, 0) \ + Mul_SaveAcc(13, 0, 14) Mul_Acc(1, 13) Mul_Acc(2, 12) Mul_Acc(3, 11) Mul_Acc(4, 10) Mul_Acc(5, 9) Mul_Acc(6, 8) Mul_Acc(7, 7) Mul_Acc(8, 6) Mul_Acc(9, 5) Mul_Acc(10, 4) Mul_Acc(11, 3) Mul_Acc(12, 2) Mul_Acc(13, 1) Mul_Acc(14, 0) \ + Bot_SaveAcc(14, 0, 15) Bot_Acc(1, 14) Bot_Acc(2, 13) Bot_Acc(3, 12) Bot_Acc(4, 11) Bot_Acc(5, 10) Bot_Acc(6, 9) Bot_Acc(7, 8) Bot_Acc(8, 7) Bot_Acc(9, 6) Bot_Acc(10, 5) Bot_Acc(11, 4) Bot_Acc(12, 3) Bot_Acc(13, 2) Bot_Acc(14, 1) Bot_Acc(15, 0) \ + Bot_End(16) + +#endif + +#if 0 +#define Mul_Begin(n) \ + Declare2Words(p) \ + Declare2Words(c) \ + Declare2Words(d) \ + MultiplyWords(p, A[0], B[0]) \ + AssignWord(c, LowWord(p)) \ + AssignWord(d, HighWord(p)) + +#define Mul_Acc(i, j) \ + MultiplyWords(p, A[i], B[j]) \ + Acc2WordsBy1(c, LowWord(p)) \ + Acc2WordsBy1(d, HighWord(p)) + +#define Mul_SaveAcc(k, i, j) \ + R[k] = LowWord(c); \ + Add2WordsBy1(c, d, HighWord(c)) \ + MultiplyWords(p, A[i], B[j]) \ + AssignWord(d, HighWord(p)) \ + Acc2WordsBy1(c, LowWord(p)) + +#define Mul_End(n) \ + R[2*n-3] = LowWord(c); \ + Acc2WordsBy1(d, HighWord(c)) \ + MultiplyWords(p, A[n-1], B[n-1])\ + Acc2WordsBy2(d, p) \ + R[2*n-2] = LowWord(d); \ + R[2*n-1] = HighWord(d); + +#define Bot_SaveAcc(k, i, j) \ + R[k] = LowWord(c); \ + word e = LowWord(d) + HighWord(c); \ + e += A[i] * B[j]; + +#define Bot_Acc(i, j) \ + e += A[i] * B[j]; + +#define Bot_End(n) \ + R[n-1] = e; +#else +#define Mul_Begin(n) \ + Declare2Words(p) \ + word c; \ + Declare2Words(d) \ + MultiplyWords(p, A[0], B[0]) \ + c = LowWord(p); \ + AssignWord(d, HighWord(p)) + +#define Mul_Acc(i, j) \ + MulAcc(c, d, A[i], B[j]) + +#define Mul_SaveAcc(k, i, j) \ + R[k] = c; \ + c = LowWord(d); \ + AssignWord(d, HighWord(d)) \ + MulAcc(c, d, A[i], B[j]) + +#define Mul_End(k, i) \ + R[k] = c; \ + MultiplyWords(p, A[i], B[i]) \ + Acc2WordsBy2(p, d) \ + R[k+1] = LowWord(p); \ + R[k+2] = HighWord(p); + +#define Bot_SaveAcc(k, i, j) \ + R[k] = c; \ + c = LowWord(d); \ + c += A[i] * B[j]; + +#define Bot_Acc(i, j) \ + c += A[i] * B[j]; + +#define Bot_End(n) \ + R[n-1] = c; +#endif + +#define Squ_Begin(n) \ + Declare2Words(p) \ + word c; \ + Declare2Words(d) \ + Declare2Words(e) \ + MultiplyWords(p, A[0], A[0]) \ + R[0] = LowWord(p); \ + AssignWord(e, HighWord(p)) \ + MultiplyWords(p, A[0], A[1]) \ + c = LowWord(p); \ + AssignWord(d, HighWord(p)) \ + Squ_NonDiag \ + +#define Squ_NonDiag \ + Double3Words(c, d) + +#define Squ_SaveAcc(k, i, j) \ + Acc3WordsBy2(c, d, e) \ + R[k] = c; \ + MultiplyWords(p, A[i], A[j]) \ + c = LowWord(p); \ + AssignWord(d, HighWord(p)) \ + +#define Squ_Acc(i, j) \ + MulAcc(c, d, A[i], A[j]) + +#define Squ_Diag(i) \ + Squ_NonDiag \ + MulAcc(c, d, A[i], A[i]) + +#define Squ_End(n) \ + Acc3WordsBy2(c, d, e) \ + R[2*n-3] = c; \ + MultiplyWords(p, A[n-1], A[n-1])\ + Acc2WordsBy2(p, e) \ + R[2*n-2] = LowWord(p); \ + R[2*n-1] = HighWord(p); + +void Baseline_Multiply2(word *R, const word *A, const word *B) +{ + Mul_2 +} + +void Baseline_Multiply4(word *R, const word *A, const word *B) +{ + Mul_4 +} + +void Baseline_Multiply8(word *R, const word *A, const word *B) +{ + Mul_8 +} + +void Baseline_Square2(word *R, const word *A) +{ + Squ_2 +} + +void Baseline_Square4(word *R, const word *A) +{ + Squ_4 +} + +void Baseline_Square8(word *R, const word *A) +{ + Squ_8 +} + +void Baseline_MultiplyBottom2(word *R, const word *A, const word *B) +{ + Bot_2 +} + +void Baseline_MultiplyBottom4(word *R, const word *A, const word *B) +{ + Bot_4 +} + +void Baseline_MultiplyBottom8(word *R, const word *A, const word *B) +{ + Bot_8 +} + +#define Top_Begin(n) \ + Declare2Words(p) \ + word c; \ + Declare2Words(d) \ + MultiplyWords(p, A[0], B[n-2]);\ + AssignWord(d, HighWord(p)); + +#define Top_Acc(i, j) \ + MultiplyWords(p, A[i], B[j]);\ + Acc2WordsBy1(d, HighWord(p)); + +#define Top_SaveAcc0(i, j) \ + c = LowWord(d); \ + AssignWord(d, HighWord(d)) \ + MulAcc(c, d, A[i], B[j]) + +#define Top_SaveAcc1(i, j) \ + c = L<c; \ + Acc2WordsBy1(d, c); \ + c = LowWord(d); \ + AssignWord(d, HighWord(d)) \ + MulAcc(c, d, A[i], B[j]) + +void Baseline_MultiplyTop2(word *R, const word *A, const word *B, word L) +{ + word T[4]; + Baseline_Multiply2(T, A, B); + R[0] = T[2]; + R[1] = T[3]; +} + +void Baseline_MultiplyTop4(word *R, const word *A, const word *B, word L) +{ + Top_Begin(4) + Top_Acc(1, 1) Top_Acc(2, 0) \ + Top_SaveAcc0(0, 3) Mul_Acc(1, 2) Mul_Acc(2, 1) Mul_Acc(3, 0) \ + Top_SaveAcc1(1, 3) Mul_Acc(2, 2) Mul_Acc(3, 1) \ + Mul_SaveAcc(0, 2, 3) Mul_Acc(3, 2) \ + Mul_End(1, 3) +} + +void Baseline_MultiplyTop8(word *R, const word *A, const word *B, word L) +{ + Top_Begin(8) + Top_Acc(1, 5) Top_Acc(2, 4) Top_Acc(3, 3) Top_Acc(4, 2) Top_Acc(5, 1) Top_Acc(6, 0) \ + Top_SaveAcc0(0, 7) Mul_Acc(1, 6) Mul_Acc(2, 5) Mul_Acc(3, 4) Mul_Acc(4, 3) Mul_Acc(5, 2) Mul_Acc(6, 1) Mul_Acc(7, 0) \ + Top_SaveAcc1(1, 7) Mul_Acc(2, 6) Mul_Acc(3, 5) Mul_Acc(4, 4) Mul_Acc(5, 3) Mul_Acc(6, 2) Mul_Acc(7, 1) \ + Mul_SaveAcc(0, 2, 7) Mul_Acc(3, 6) Mul_Acc(4, 5) Mul_Acc(5, 4) Mul_Acc(6, 3) Mul_Acc(7, 2) \ + Mul_SaveAcc(1, 3, 7) Mul_Acc(4, 6) Mul_Acc(5, 5) Mul_Acc(6, 4) Mul_Acc(7, 3) \ + Mul_SaveAcc(2, 4, 7) Mul_Acc(5, 6) Mul_Acc(6, 5) Mul_Acc(7, 4) \ + Mul_SaveAcc(3, 5, 7) Mul_Acc(6, 6) Mul_Acc(7, 5) \ + Mul_SaveAcc(4, 6, 7) Mul_Acc(7, 6) \ + Mul_End(5, 7) +} + +#if !CRYPTOPP_INTEGER_SSE2 // save memory by not compiling these functions when SSE2 is available +void Baseline_Multiply16(word *R, const word *A, const word *B) +{ + Mul_16 +} + +void Baseline_Square16(word *R, const word *A) +{ + Squ_16 +} + +void Baseline_MultiplyBottom16(word *R, const word *A, const word *B) +{ + Bot_16 +} + +void Baseline_MultiplyTop16(word *R, const word *A, const word *B, word L) +{ + Top_Begin(16) + Top_Acc(1, 13) Top_Acc(2, 12) Top_Acc(3, 11) Top_Acc(4, 10) Top_Acc(5, 9) Top_Acc(6, 8) Top_Acc(7, 7) Top_Acc(8, 6) Top_Acc(9, 5) Top_Acc(10, 4) Top_Acc(11, 3) Top_Acc(12, 2) Top_Acc(13, 1) Top_Acc(14, 0) \ + Top_SaveAcc0(0, 15) Mul_Acc(1, 14) Mul_Acc(2, 13) Mul_Acc(3, 12) Mul_Acc(4, 11) Mul_Acc(5, 10) Mul_Acc(6, 9) Mul_Acc(7, 8) Mul_Acc(8, 7) Mul_Acc(9, 6) Mul_Acc(10, 5) Mul_Acc(11, 4) Mul_Acc(12, 3) Mul_Acc(13, 2) Mul_Acc(14, 1) Mul_Acc(15, 0) \ + Top_SaveAcc1(1, 15) Mul_Acc(2, 14) Mul_Acc(3, 13) Mul_Acc(4, 12) Mul_Acc(5, 11) Mul_Acc(6, 10) Mul_Acc(7, 9) Mul_Acc(8, 8) Mul_Acc(9, 7) Mul_Acc(10, 6) Mul_Acc(11, 5) Mul_Acc(12, 4) Mul_Acc(13, 3) Mul_Acc(14, 2) Mul_Acc(15, 1) \ + Mul_SaveAcc(0, 2, 15) Mul_Acc(3, 14) Mul_Acc(4, 13) Mul_Acc(5, 12) Mul_Acc(6, 11) Mul_Acc(7, 10) Mul_Acc(8, 9) Mul_Acc(9, 8) Mul_Acc(10, 7) Mul_Acc(11, 6) Mul_Acc(12, 5) Mul_Acc(13, 4) Mul_Acc(14, 3) Mul_Acc(15, 2) \ + Mul_SaveAcc(1, 3, 15) Mul_Acc(4, 14) Mul_Acc(5, 13) Mul_Acc(6, 12) Mul_Acc(7, 11) Mul_Acc(8, 10) Mul_Acc(9, 9) Mul_Acc(10, 8) Mul_Acc(11, 7) Mul_Acc(12, 6) Mul_Acc(13, 5) Mul_Acc(14, 4) Mul_Acc(15, 3) \ + Mul_SaveAcc(2, 4, 15) Mul_Acc(5, 14) Mul_Acc(6, 13) Mul_Acc(7, 12) Mul_Acc(8, 11) Mul_Acc(9, 10) Mul_Acc(10, 9) Mul_Acc(11, 8) Mul_Acc(12, 7) Mul_Acc(13, 6) Mul_Acc(14, 5) Mul_Acc(15, 4) \ + Mul_SaveAcc(3, 5, 15) Mul_Acc(6, 14) Mul_Acc(7, 13) Mul_Acc(8, 12) Mul_Acc(9, 11) Mul_Acc(10, 10) Mul_Acc(11, 9) Mul_Acc(12, 8) Mul_Acc(13, 7) Mul_Acc(14, 6) Mul_Acc(15, 5) \ + Mul_SaveAcc(4, 6, 15) Mul_Acc(7, 14) Mul_Acc(8, 13) Mul_Acc(9, 12) Mul_Acc(10, 11) Mul_Acc(11, 10) Mul_Acc(12, 9) Mul_Acc(13, 8) Mul_Acc(14, 7) Mul_Acc(15, 6) \ + Mul_SaveAcc(5, 7, 15) Mul_Acc(8, 14) Mul_Acc(9, 13) Mul_Acc(10, 12) Mul_Acc(11, 11) Mul_Acc(12, 10) Mul_Acc(13, 9) Mul_Acc(14, 8) Mul_Acc(15, 7) \ + Mul_SaveAcc(6, 8, 15) Mul_Acc(9, 14) Mul_Acc(10, 13) Mul_Acc(11, 12) Mul_Acc(12, 11) Mul_Acc(13, 10) Mul_Acc(14, 9) Mul_Acc(15, 8) \ + Mul_SaveAcc(7, 9, 15) Mul_Acc(10, 14) Mul_Acc(11, 13) Mul_Acc(12, 12) Mul_Acc(13, 11) Mul_Acc(14, 10) Mul_Acc(15, 9) \ + Mul_SaveAcc(8, 10, 15) Mul_Acc(11, 14) Mul_Acc(12, 13) Mul_Acc(13, 12) Mul_Acc(14, 11) Mul_Acc(15, 10) \ + Mul_SaveAcc(9, 11, 15) Mul_Acc(12, 14) Mul_Acc(13, 13) Mul_Acc(14, 12) Mul_Acc(15, 11) \ + Mul_SaveAcc(10, 12, 15) Mul_Acc(13, 14) Mul_Acc(14, 13) Mul_Acc(15, 12) \ + Mul_SaveAcc(11, 13, 15) Mul_Acc(14, 14) Mul_Acc(15, 13) \ + Mul_SaveAcc(12, 14, 15) Mul_Acc(15, 14) \ + Mul_End(13, 15) +} +#endif + +// ******************************************************** + +#if CRYPTOPP_INTEGER_SSE2 + +CRYPTOPP_ALIGN_DATA(16) static const word32 s_maskLow16[4] CRYPTOPP_SECTION_ALIGN16 = {0xffff,0xffff,0xffff,0xffff}; + +#undef Mul_Begin +#undef Mul_Acc +#undef Top_Begin +#undef Top_Acc +#undef Squ_Acc +#undef Squ_NonDiag +#undef Squ_Diag +#undef Squ_SaveAcc +#undef Squ_Begin +#undef Mul_SaveAcc +#undef Bot_Acc +#undef Bot_SaveAcc +#undef Bot_End +#undef Squ_End +#undef Mul_End + +#define SSE2_FinalSave(k) \ + AS2( psllq xmm5, 16) \ + AS2( paddq xmm4, xmm5) \ + AS2( movq QWORD PTR [ecx+8*(k)], xmm4) + +#define SSE2_SaveShift(k) \ + AS2( movq xmm0, xmm6) \ + AS2( punpckhqdq xmm6, xmm0) \ + AS2( movq xmm1, xmm7) \ + AS2( punpckhqdq xmm7, xmm1) \ + AS2( paddd xmm6, xmm0) \ + AS2( pslldq xmm6, 4) \ + AS2( paddd xmm7, xmm1) \ + AS2( paddd xmm4, xmm6) \ + AS2( pslldq xmm7, 4) \ + AS2( movq xmm6, xmm4) \ + AS2( paddd xmm5, xmm7) \ + AS2( movq xmm7, xmm5) \ + AS2( movd DWORD PTR [ecx+8*(k)], xmm4) \ + AS2( psrlq xmm6, 16) \ + AS2( paddq xmm6, xmm7) \ + AS2( punpckhqdq xmm4, xmm0) \ + AS2( punpckhqdq xmm5, xmm0) \ + AS2( movq QWORD PTR [ecx+8*(k)+2], xmm6) \ + AS2( psrlq xmm6, 3*16) \ + AS2( paddd xmm4, xmm6) \ + +#define Squ_SSE2_SaveShift(k) \ + AS2( movq xmm0, xmm6) \ + AS2( punpckhqdq xmm6, xmm0) \ + AS2( movq xmm1, xmm7) \ + AS2( punpckhqdq xmm7, xmm1) \ + AS2( paddd xmm6, xmm0) \ + AS2( pslldq xmm6, 4) \ + AS2( paddd xmm7, xmm1) \ + AS2( paddd xmm4, xmm6) \ + AS2( pslldq xmm7, 4) \ + AS2( movhlps xmm6, xmm4) \ + AS2( movd DWORD PTR [ecx+8*(k)], xmm4) \ + AS2( paddd xmm5, xmm7) \ + AS2( movhps QWORD PTR [esp+12], xmm5)\ + AS2( psrlq xmm4, 16) \ + AS2( paddq xmm4, xmm5) \ + AS2( movq QWORD PTR [ecx+8*(k)+2], xmm4) \ + AS2( psrlq xmm4, 3*16) \ + AS2( paddd xmm4, xmm6) \ + AS2( movq QWORD PTR [esp+4], xmm4)\ + +#define SSE2_FirstMultiply(i) \ + AS2( movdqa xmm7, [esi+(i)*16])\ + AS2( movdqa xmm5, [edi-(i)*16])\ + AS2( pmuludq xmm5, xmm7) \ + AS2( movdqa xmm4, [ebx])\ + AS2( movdqa xmm6, xmm4) \ + AS2( pand xmm4, xmm5) \ + AS2( psrld xmm5, 16) \ + AS2( pmuludq xmm7, [edx-(i)*16])\ + AS2( pand xmm6, xmm7) \ + AS2( psrld xmm7, 16) + +#define Squ_Begin(n) \ + SquPrologue \ + AS2( mov esi, esp)\ + AS2( and esp, 0xfffffff0)\ + AS2( lea edi, [esp-32*n])\ + AS2( sub esp, 32*n+16)\ + AS1( push esi)\ + AS2( mov esi, edi) \ + AS2( xor edx, edx) \ + ASL(1) \ + ASS( pshufd xmm0, [eax+edx], 3,1,2,0) \ + ASS( pshufd xmm1, [eax+edx], 2,0,3,1) \ + AS2( movdqa [edi+2*edx], xmm0) \ + AS2( psrlq xmm0, 32) \ + AS2( movdqa [edi+2*edx+16], xmm0) \ + AS2( movdqa [edi+16*n+2*edx], xmm1) \ + AS2( psrlq xmm1, 32) \ + AS2( movdqa [edi+16*n+2*edx+16], xmm1) \ + AS2( add edx, 16) \ + AS2( cmp edx, 8*(n)) \ + ASJ( jne, 1, b) \ + AS2( lea edx, [edi+16*n])\ + SSE2_FirstMultiply(0) \ + +#define Squ_Acc(i) \ + ASL(LSqu##i) \ + AS2( movdqa xmm1, [esi+(i)*16]) \ + AS2( movdqa xmm0, [edi-(i)*16]) \ + AS2( movdqa xmm2, [ebx]) \ + AS2( pmuludq xmm0, xmm1) \ + AS2( pmuludq xmm1, [edx-(i)*16]) \ + AS2( movdqa xmm3, xmm2) \ + AS2( pand xmm2, xmm0) \ + AS2( psrld xmm0, 16) \ + AS2( paddd xmm4, xmm2) \ + AS2( paddd xmm5, xmm0) \ + AS2( pand xmm3, xmm1) \ + AS2( psrld xmm1, 16) \ + AS2( paddd xmm6, xmm3) \ + AS2( paddd xmm7, xmm1) \ + +#define Squ_Acc1(i) +#define Squ_Acc2(i) ASC(call, LSqu##i) +#define Squ_Acc3(i) Squ_Acc2(i) +#define Squ_Acc4(i) Squ_Acc2(i) +#define Squ_Acc5(i) Squ_Acc2(i) +#define Squ_Acc6(i) Squ_Acc2(i) +#define Squ_Acc7(i) Squ_Acc2(i) +#define Squ_Acc8(i) Squ_Acc2(i) + +#define SSE2_End(E, n) \ + SSE2_SaveShift(2*(n)-3) \ + AS2( movdqa xmm7, [esi+16]) \ + AS2( movdqa xmm0, [edi]) \ + AS2( pmuludq xmm0, xmm7) \ + AS2( movdqa xmm2, [ebx]) \ + AS2( pmuludq xmm7, [edx]) \ + AS2( movdqa xmm6, xmm2) \ + AS2( pand xmm2, xmm0) \ + AS2( psrld xmm0, 16) \ + AS2( paddd xmm4, xmm2) \ + AS2( paddd xmm5, xmm0) \ + AS2( pand xmm6, xmm7) \ + AS2( psrld xmm7, 16) \ + SSE2_SaveShift(2*(n)-2) \ + SSE2_FinalSave(2*(n)-1) \ + AS1( pop esp)\ + E + +#define Squ_End(n) SSE2_End(SquEpilogue, n) +#define Mul_End(n) SSE2_End(MulEpilogue, n) +#define Top_End(n) SSE2_End(TopEpilogue, n) + +#define Squ_Column1(k, i) \ + Squ_SSE2_SaveShift(k) \ + AS2( add esi, 16) \ + SSE2_FirstMultiply(1)\ + Squ_Acc##i(i) \ + AS2( paddd xmm4, xmm4) \ + AS2( paddd xmm5, xmm5) \ + AS2( movdqa xmm3, [esi]) \ + AS2( movq xmm1, QWORD PTR [esi+8]) \ + AS2( pmuludq xmm1, xmm3) \ + AS2( pmuludq xmm3, xmm3) \ + AS2( movdqa xmm0, [ebx])\ + AS2( movdqa xmm2, xmm0) \ + AS2( pand xmm0, xmm1) \ + AS2( psrld xmm1, 16) \ + AS2( paddd xmm6, xmm0) \ + AS2( paddd xmm7, xmm1) \ + AS2( pand xmm2, xmm3) \ + AS2( psrld xmm3, 16) \ + AS2( paddd xmm6, xmm6) \ + AS2( paddd xmm7, xmm7) \ + AS2( paddd xmm4, xmm2) \ + AS2( paddd xmm5, xmm3) \ + AS2( movq xmm0, QWORD PTR [esp+4])\ + AS2( movq xmm1, QWORD PTR [esp+12])\ + AS2( paddd xmm4, xmm0)\ + AS2( paddd xmm5, xmm1)\ + +#define Squ_Column0(k, i) \ + Squ_SSE2_SaveShift(k) \ + AS2( add edi, 16) \ + AS2( add edx, 16) \ + SSE2_FirstMultiply(1)\ + Squ_Acc##i(i) \ + AS2( paddd xmm6, xmm6) \ + AS2( paddd xmm7, xmm7) \ + AS2( paddd xmm4, xmm4) \ + AS2( paddd xmm5, xmm5) \ + AS2( movq xmm0, QWORD PTR [esp+4])\ + AS2( movq xmm1, QWORD PTR [esp+12])\ + AS2( paddd xmm4, xmm0)\ + AS2( paddd xmm5, xmm1)\ + +#define SSE2_MulAdd45 \ + AS2( movdqa xmm7, [esi]) \ + AS2( movdqa xmm0, [edi]) \ + AS2( pmuludq xmm0, xmm7) \ + AS2( movdqa xmm2, [ebx]) \ + AS2( pmuludq xmm7, [edx]) \ + AS2( movdqa xmm6, xmm2) \ + AS2( pand xmm2, xmm0) \ + AS2( psrld xmm0, 16) \ + AS2( paddd xmm4, xmm2) \ + AS2( paddd xmm5, xmm0) \ + AS2( pand xmm6, xmm7) \ + AS2( psrld xmm7, 16) + +#define Mul_Begin(n) \ + MulPrologue \ + AS2( mov esi, esp)\ + AS2( and esp, 0xfffffff0)\ + AS2( sub esp, 48*n+16)\ + AS1( push esi)\ + AS2( xor edx, edx) \ + ASL(1) \ + ASS( pshufd xmm0, [eax+edx], 3,1,2,0) \ + ASS( pshufd xmm1, [eax+edx], 2,0,3,1) \ + ASS( pshufd xmm2, [edi+edx], 3,1,2,0) \ + AS2( movdqa [esp+20+2*edx], xmm0) \ + AS2( psrlq xmm0, 32) \ + AS2( movdqa [esp+20+2*edx+16], xmm0) \ + AS2( movdqa [esp+20+16*n+2*edx], xmm1) \ + AS2( psrlq xmm1, 32) \ + AS2( movdqa [esp+20+16*n+2*edx+16], xmm1) \ + AS2( movdqa [esp+20+32*n+2*edx], xmm2) \ + AS2( psrlq xmm2, 32) \ + AS2( movdqa [esp+20+32*n+2*edx+16], xmm2) \ + AS2( add edx, 16) \ + AS2( cmp edx, 8*(n)) \ + ASJ( jne, 1, b) \ + AS2( lea edi, [esp+20])\ + AS2( lea edx, [esp+20+16*n])\ + AS2( lea esi, [esp+20+32*n])\ + SSE2_FirstMultiply(0) \ + +#define Mul_Acc(i) \ + ASL(LMul##i) \ + AS2( movdqa xmm1, [esi+i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( movdqa xmm0, [edi-i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( movdqa xmm2, [ebx]) \ + AS2( pmuludq xmm0, xmm1) \ + AS2( pmuludq xmm1, [edx-i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( movdqa xmm3, xmm2) \ + AS2( pand xmm2, xmm0) \ + AS2( psrld xmm0, 16) \ + AS2( paddd xmm4, xmm2) \ + AS2( paddd xmm5, xmm0) \ + AS2( pand xmm3, xmm1) \ + AS2( psrld xmm1, 16) \ + AS2( paddd xmm6, xmm3) \ + AS2( paddd xmm7, xmm1) \ + +#define Mul_Acc1(i) +#define Mul_Acc2(i) ASC(call, LMul##i) +#define Mul_Acc3(i) Mul_Acc2(i) +#define Mul_Acc4(i) Mul_Acc2(i) +#define Mul_Acc5(i) Mul_Acc2(i) +#define Mul_Acc6(i) Mul_Acc2(i) +#define Mul_Acc7(i) Mul_Acc2(i) +#define Mul_Acc8(i) Mul_Acc2(i) +#define Mul_Acc9(i) Mul_Acc2(i) +#define Mul_Acc10(i) Mul_Acc2(i) +#define Mul_Acc11(i) Mul_Acc2(i) +#define Mul_Acc12(i) Mul_Acc2(i) +#define Mul_Acc13(i) Mul_Acc2(i) +#define Mul_Acc14(i) Mul_Acc2(i) +#define Mul_Acc15(i) Mul_Acc2(i) +#define Mul_Acc16(i) Mul_Acc2(i) + +#define Mul_Column1(k, i) \ + SSE2_SaveShift(k) \ + AS2( add esi, 16) \ + SSE2_MulAdd45\ + Mul_Acc##i(i) \ + +#define Mul_Column0(k, i) \ + SSE2_SaveShift(k) \ + AS2( add edi, 16) \ + AS2( add edx, 16) \ + SSE2_MulAdd45\ + Mul_Acc##i(i) \ + +#define Bot_Acc(i) \ + AS2( movdqa xmm1, [esi+i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( movdqa xmm0, [edi-i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( pmuludq xmm0, xmm1) \ + AS2( pmuludq xmm1, [edx-i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( paddq xmm4, xmm0) \ + AS2( paddd xmm6, xmm1) + +#define Bot_SaveAcc(k) \ + SSE2_SaveShift(k) \ + AS2( add edi, 16) \ + AS2( add edx, 16) \ + AS2( movdqa xmm6, [esi]) \ + AS2( movdqa xmm0, [edi]) \ + AS2( pmuludq xmm0, xmm6) \ + AS2( paddq xmm4, xmm0) \ + AS2( psllq xmm5, 16) \ + AS2( paddq xmm4, xmm5) \ + AS2( pmuludq xmm6, [edx]) + +#define Bot_End(n) \ + AS2( movhlps xmm7, xmm6) \ + AS2( paddd xmm6, xmm7) \ + AS2( psllq xmm6, 32) \ + AS2( paddd xmm4, xmm6) \ + AS2( movq QWORD PTR [ecx+8*((n)-1)], xmm4) \ + AS1( pop esp)\ + MulEpilogue + +#define Top_Begin(n) \ + TopPrologue \ + AS2( mov edx, esp)\ + AS2( and esp, 0xfffffff0)\ + AS2( sub esp, 48*n+16)\ + AS1( push edx)\ + AS2( xor edx, edx) \ + ASL(1) \ + ASS( pshufd xmm0, [eax+edx], 3,1,2,0) \ + ASS( pshufd xmm1, [eax+edx], 2,0,3,1) \ + ASS( pshufd xmm2, [edi+edx], 3,1,2,0) \ + AS2( movdqa [esp+20+2*edx], xmm0) \ + AS2( psrlq xmm0, 32) \ + AS2( movdqa [esp+20+2*edx+16], xmm0) \ + AS2( movdqa [esp+20+16*n+2*edx], xmm1) \ + AS2( psrlq xmm1, 32) \ + AS2( movdqa [esp+20+16*n+2*edx+16], xmm1) \ + AS2( movdqa [esp+20+32*n+2*edx], xmm2) \ + AS2( psrlq xmm2, 32) \ + AS2( movdqa [esp+20+32*n+2*edx+16], xmm2) \ + AS2( add edx, 16) \ + AS2( cmp edx, 8*(n)) \ + ASJ( jne, 1, b) \ + AS2( mov eax, esi) \ + AS2( lea edi, [esp+20+00*n+16*(n/2-1)])\ + AS2( lea edx, [esp+20+16*n+16*(n/2-1)])\ + AS2( lea esi, [esp+20+32*n+16*(n/2-1)])\ + AS2( pxor xmm4, xmm4)\ + AS2( pxor xmm5, xmm5) + +#define Top_Acc(i) \ + AS2( movq xmm0, QWORD PTR [esi+i/2*(1-(i-2*(i/2))*2)*16+8]) \ + AS2( pmuludq xmm0, [edx-i/2*(1-(i-2*(i/2))*2)*16]) \ + AS2( psrlq xmm0, 48) \ + AS2( paddd xmm5, xmm0)\ + +#define Top_Column0(i) \ + AS2( psllq xmm5, 32) \ + AS2( add edi, 16) \ + AS2( add edx, 16) \ + SSE2_MulAdd45\ + Mul_Acc##i(i) \ + +#define Top_Column1(i) \ + SSE2_SaveShift(0) \ + AS2( add esi, 16) \ + SSE2_MulAdd45\ + Mul_Acc##i(i) \ + AS2( shr eax, 16) \ + AS2( movd xmm0, eax)\ + AS2( movd xmm1, [ecx+4])\ + AS2( psrld xmm1, 16)\ + AS2( pcmpgtd xmm1, xmm0)\ + AS2( psrld xmm1, 31)\ + AS2( paddd xmm4, xmm1)\ + +void SSE2_Square4(word *C, const word *A) +{ + Squ_Begin(2) + Squ_Column0(0, 1) + Squ_End(2) +} + +void SSE2_Square8(word *C, const word *A) +{ + Squ_Begin(4) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Squ_Acc(2) + AS1( ret) ASL(0) +#endif + Squ_Column0(0, 1) + Squ_Column1(1, 1) + Squ_Column0(2, 2) + Squ_Column1(3, 1) + Squ_Column0(4, 1) + Squ_End(4) +} + +void SSE2_Square16(word *C, const word *A) +{ + Squ_Begin(8) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Squ_Acc(4) Squ_Acc(3) Squ_Acc(2) + AS1( ret) ASL(0) +#endif + Squ_Column0(0, 1) + Squ_Column1(1, 1) + Squ_Column0(2, 2) + Squ_Column1(3, 2) + Squ_Column0(4, 3) + Squ_Column1(5, 3) + Squ_Column0(6, 4) + Squ_Column1(7, 3) + Squ_Column0(8, 3) + Squ_Column1(9, 2) + Squ_Column0(10, 2) + Squ_Column1(11, 1) + Squ_Column0(12, 1) + Squ_End(8) +} + +void SSE2_Square32(word *C, const word *A) +{ + Squ_Begin(16) + ASJ( jmp, 0, f) + Squ_Acc(8) Squ_Acc(7) Squ_Acc(6) Squ_Acc(5) Squ_Acc(4) Squ_Acc(3) Squ_Acc(2) + AS1( ret) ASL(0) + Squ_Column0(0, 1) + Squ_Column1(1, 1) + Squ_Column0(2, 2) + Squ_Column1(3, 2) + Squ_Column0(4, 3) + Squ_Column1(5, 3) + Squ_Column0(6, 4) + Squ_Column1(7, 4) + Squ_Column0(8, 5) + Squ_Column1(9, 5) + Squ_Column0(10, 6) + Squ_Column1(11, 6) + Squ_Column0(12, 7) + Squ_Column1(13, 7) + Squ_Column0(14, 8) + Squ_Column1(15, 7) + Squ_Column0(16, 7) + Squ_Column1(17, 6) + Squ_Column0(18, 6) + Squ_Column1(19, 5) + Squ_Column0(20, 5) + Squ_Column1(21, 4) + Squ_Column0(22, 4) + Squ_Column1(23, 3) + Squ_Column0(24, 3) + Squ_Column1(25, 2) + Squ_Column0(26, 2) + Squ_Column1(27, 1) + Squ_Column0(28, 1) + Squ_End(16) +} + +void SSE2_Multiply4(word *C, const word *A, const word *B) +{ + Mul_Begin(2) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_End(2) +} + +void SSE2_Multiply8(word *C, const word *A, const word *B) +{ + Mul_Begin(4) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Mul_Column0(2, 4) + Mul_Column1(3, 3) + Mul_Column0(4, 2) + Mul_End(4) +} + +void SSE2_Multiply16(word *C, const word *A, const word *B) +{ + Mul_Begin(8) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(8) Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Mul_Column0(2, 4) + Mul_Column1(3, 5) + Mul_Column0(4, 6) + Mul_Column1(5, 7) + Mul_Column0(6, 8) + Mul_Column1(7, 7) + Mul_Column0(8, 6) + Mul_Column1(9, 5) + Mul_Column0(10, 4) + Mul_Column1(11, 3) + Mul_Column0(12, 2) + Mul_End(8) +} + +void SSE2_Multiply32(word *C, const word *A, const word *B) +{ + Mul_Begin(16) + ASJ( jmp, 0, f) + Mul_Acc(16) Mul_Acc(15) Mul_Acc(14) Mul_Acc(13) Mul_Acc(12) Mul_Acc(11) Mul_Acc(10) Mul_Acc(9) Mul_Acc(8) Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Mul_Column0(2, 4) + Mul_Column1(3, 5) + Mul_Column0(4, 6) + Mul_Column1(5, 7) + Mul_Column0(6, 8) + Mul_Column1(7, 9) + Mul_Column0(8, 10) + Mul_Column1(9, 11) + Mul_Column0(10, 12) + Mul_Column1(11, 13) + Mul_Column0(12, 14) + Mul_Column1(13, 15) + Mul_Column0(14, 16) + Mul_Column1(15, 15) + Mul_Column0(16, 14) + Mul_Column1(17, 13) + Mul_Column0(18, 12) + Mul_Column1(19, 11) + Mul_Column0(20, 10) + Mul_Column1(21, 9) + Mul_Column0(22, 8) + Mul_Column1(23, 7) + Mul_Column0(24, 6) + Mul_Column1(25, 5) + Mul_Column0(26, 4) + Mul_Column1(27, 3) + Mul_Column0(28, 2) + Mul_End(16) +} + +void SSE2_MultiplyBottom4(word *C, const word *A, const word *B) +{ + Mul_Begin(2) + Bot_SaveAcc(0) Bot_Acc(2) + Bot_End(2) +} + +void SSE2_MultiplyBottom8(word *C, const word *A, const word *B) +{ + Mul_Begin(4) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Bot_SaveAcc(2) Bot_Acc(4) Bot_Acc(3) Bot_Acc(2) + Bot_End(4) +} + +void SSE2_MultiplyBottom16(word *C, const word *A, const word *B) +{ + Mul_Begin(8) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Mul_Column0(2, 4) + Mul_Column1(3, 5) + Mul_Column0(4, 6) + Mul_Column1(5, 7) + Bot_SaveAcc(6) Bot_Acc(8) Bot_Acc(7) Bot_Acc(6) Bot_Acc(5) Bot_Acc(4) Bot_Acc(3) Bot_Acc(2) + Bot_End(8) +} + +void SSE2_MultiplyBottom32(word *C, const word *A, const word *B) +{ + Mul_Begin(16) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(15) Mul_Acc(14) Mul_Acc(13) Mul_Acc(12) Mul_Acc(11) Mul_Acc(10) Mul_Acc(9) Mul_Acc(8) Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Mul_Column0(0, 2) + Mul_Column1(1, 3) + Mul_Column0(2, 4) + Mul_Column1(3, 5) + Mul_Column0(4, 6) + Mul_Column1(5, 7) + Mul_Column0(6, 8) + Mul_Column1(7, 9) + Mul_Column0(8, 10) + Mul_Column1(9, 11) + Mul_Column0(10, 12) + Mul_Column1(11, 13) + Mul_Column0(12, 14) + Mul_Column1(13, 15) + Bot_SaveAcc(14) Bot_Acc(16) Bot_Acc(15) Bot_Acc(14) Bot_Acc(13) Bot_Acc(12) Bot_Acc(11) Bot_Acc(10) Bot_Acc(9) Bot_Acc(8) Bot_Acc(7) Bot_Acc(6) Bot_Acc(5) Bot_Acc(4) Bot_Acc(3) Bot_Acc(2) + Bot_End(16) +} + +void SSE2_MultiplyTop8(word *C, const word *A, const word *B, word L) +{ + Top_Begin(4) + Top_Acc(3) Top_Acc(2) Top_Acc(1) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Top_Column0(4) + Top_Column1(3) + Mul_Column0(0, 2) + Top_End(2) +} + +void SSE2_MultiplyTop16(word *C, const word *A, const word *B, word L) +{ + Top_Begin(8) + Top_Acc(7) Top_Acc(6) Top_Acc(5) Top_Acc(4) Top_Acc(3) Top_Acc(2) Top_Acc(1) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(8) Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Top_Column0(8) + Top_Column1(7) + Mul_Column0(0, 6) + Mul_Column1(1, 5) + Mul_Column0(2, 4) + Mul_Column1(3, 3) + Mul_Column0(4, 2) + Top_End(4) +} + +void SSE2_MultiplyTop32(word *C, const word *A, const word *B, word L) +{ + Top_Begin(16) + Top_Acc(15) Top_Acc(14) Top_Acc(13) Top_Acc(12) Top_Acc(11) Top_Acc(10) Top_Acc(9) Top_Acc(8) Top_Acc(7) Top_Acc(6) Top_Acc(5) Top_Acc(4) Top_Acc(3) Top_Acc(2) Top_Acc(1) +#ifndef __GNUC__ + ASJ( jmp, 0, f) + Mul_Acc(16) Mul_Acc(15) Mul_Acc(14) Mul_Acc(13) Mul_Acc(12) Mul_Acc(11) Mul_Acc(10) Mul_Acc(9) Mul_Acc(8) Mul_Acc(7) Mul_Acc(6) Mul_Acc(5) Mul_Acc(4) Mul_Acc(3) Mul_Acc(2) + AS1( ret) ASL(0) +#endif + Top_Column0(16) + Top_Column1(15) + Mul_Column0(0, 14) + Mul_Column1(1, 13) + Mul_Column0(2, 12) + Mul_Column1(3, 11) + Mul_Column0(4, 10) + Mul_Column1(5, 9) + Mul_Column0(6, 8) + Mul_Column1(7, 7) + Mul_Column0(8, 6) + Mul_Column1(9, 5) + Mul_Column0(10, 4) + Mul_Column1(11, 3) + Mul_Column0(12, 2) + Top_End(8) +} + +#endif // #if CRYPTOPP_INTEGER_SSE2 + +// ******************************************************** + +typedef int (CRYPTOPP_FASTCALL * PAdd)(size_t N, word *C, const word *A, const word *B); +typedef void (* PMul)(word *C, const word *A, const word *B); +typedef void (* PSqu)(word *C, const word *A); +typedef void (* PMulTop)(word *C, const word *A, const word *B, word L); + +#if CRYPTOPP_INTEGER_SSE2 +static PAdd s_pAdd = &Baseline_Add, s_pSub = &Baseline_Sub; +static size_t s_recursionLimit = 8; +#else +static const size_t s_recursionLimit = 16; +#endif + +static PMul s_pMul[9], s_pBot[9]; +static PSqu s_pSqu[9]; +static PMulTop s_pTop[9]; + +static void SetFunctionPointers() +{ + s_pMul[0] = &Baseline_Multiply2; + s_pBot[0] = &Baseline_MultiplyBottom2; + s_pSqu[0] = &Baseline_Square2; + s_pTop[0] = &Baseline_MultiplyTop2; + s_pTop[1] = &Baseline_MultiplyTop4; + +#if CRYPTOPP_INTEGER_SSE2 + if (HasSSE2()) + { +#if _MSC_VER != 1200 || defined(NDEBUG) + if (IsP4()) + { + s_pAdd = &SSE2_Add; + s_pSub = &SSE2_Sub; + } +#endif + + s_recursionLimit = 32; + + s_pMul[1] = &SSE2_Multiply4; + s_pMul[2] = &SSE2_Multiply8; + s_pMul[4] = &SSE2_Multiply16; + s_pMul[8] = &SSE2_Multiply32; + + s_pBot[1] = &SSE2_MultiplyBottom4; + s_pBot[2] = &SSE2_MultiplyBottom8; + s_pBot[4] = &SSE2_MultiplyBottom16; + s_pBot[8] = &SSE2_MultiplyBottom32; + + s_pSqu[1] = &SSE2_Square4; + s_pSqu[2] = &SSE2_Square8; + s_pSqu[4] = &SSE2_Square16; + s_pSqu[8] = &SSE2_Square32; + + s_pTop[2] = &SSE2_MultiplyTop8; + s_pTop[4] = &SSE2_MultiplyTop16; + s_pTop[8] = &SSE2_MultiplyTop32; + } + else +#endif + { + s_pMul[1] = &Baseline_Multiply4; + s_pMul[2] = &Baseline_Multiply8; + + s_pBot[1] = &Baseline_MultiplyBottom4; + s_pBot[2] = &Baseline_MultiplyBottom8; + + s_pSqu[1] = &Baseline_Square4; + s_pSqu[2] = &Baseline_Square8; + + s_pTop[2] = &Baseline_MultiplyTop8; + +#if !CRYPTOPP_INTEGER_SSE2 + s_pMul[4] = &Baseline_Multiply16; + s_pBot[4] = &Baseline_MultiplyBottom16; + s_pSqu[4] = &Baseline_Square16; + s_pTop[4] = &Baseline_MultiplyTop16; +#endif + } +} + +inline int Add(word *C, const word *A, const word *B, size_t N) +{ +#if CRYPTOPP_INTEGER_SSE2 + return s_pAdd(N, C, A, B); +#else + return Baseline_Add(N, C, A, B); +#endif +} + +inline int Subtract(word *C, const word *A, const word *B, size_t N) +{ +#if CRYPTOPP_INTEGER_SSE2 + return s_pSub(N, C, A, B); +#else + return Baseline_Sub(N, C, A, B); +#endif +} + +// ******************************************************** + + +#define A0 A +#define A1 (A+N2) +#define B0 B +#define B1 (B+N2) + +#define T0 T +#define T1 (T+N2) +#define T2 (T+N) +#define T3 (T+N+N2) + +#define R0 R +#define R1 (R+N2) +#define R2 (R+N) +#define R3 (R+N+N2) + +// R[2*N] - result = A*B +// T[2*N] - temporary work space +// A[N] --- multiplier +// B[N] --- multiplicant + +void RecursiveMultiply(word *R, word *T, const word *A, const word *B, size_t N) +{ + assert(N>=2 && N%2==0); + + if (N <= s_recursionLimit) + s_pMul[N/4](R, A, B); + else + { + const size_t N2 = N/2; + + size_t AN2 = Compare(A0, A1, N2) > 0 ? 0 : N2; + Subtract(R0, A + AN2, A + (N2 ^ AN2), N2); + + size_t BN2 = Compare(B0, B1, N2) > 0 ? 0 : N2; + Subtract(R1, B + BN2, B + (N2 ^ BN2), N2); + + RecursiveMultiply(R2, T2, A1, B1, N2); + RecursiveMultiply(T0, T2, R0, R1, N2); + RecursiveMultiply(R0, T2, A0, B0, N2); + + // now T[01] holds (A1-A0)*(B0-B1), R[01] holds A0*B0, R[23] holds A1*B1 + + int c2 = Add(R2, R2, R1, N2); + int c3 = c2; + c2 += Add(R1, R2, R0, N2); + c3 += Add(R2, R2, R3, N2); + + if (AN2 == BN2) + c3 -= Subtract(R1, R1, T0, N); + else + c3 += Add(R1, R1, T0, N); + + c3 += Increment(R2, N2, c2); + assert (c3 >= 0 && c3 <= 2); + Increment(R3, N2, c3); + } +} + +// R[2*N] - result = A*A +// T[2*N] - temporary work space +// A[N] --- number to be squared + +void RecursiveSquare(word *R, word *T, const word *A, size_t N) +{ + assert(N && N%2==0); + + if (N <= s_recursionLimit) + s_pSqu[N/4](R, A); + else + { + const size_t N2 = N/2; + + RecursiveSquare(R0, T2, A0, N2); + RecursiveSquare(R2, T2, A1, N2); + RecursiveMultiply(T0, T2, A0, A1, N2); + + int carry = Add(R1, R1, T0, N); + carry += Add(R1, R1, T0, N); + Increment(R3, N2, carry); + } +} + +// R[N] - bottom half of A*B +// T[3*N/2] - temporary work space +// A[N] - multiplier +// B[N] - multiplicant + +void RecursiveMultiplyBottom(word *R, word *T, const word *A, const word *B, size_t N) +{ + assert(N>=2 && N%2==0); + + if (N <= s_recursionLimit) + s_pBot[N/4](R, A, B); + else + { + const size_t N2 = N/2; + + RecursiveMultiply(R, T, A0, B0, N2); + RecursiveMultiplyBottom(T0, T1, A1, B0, N2); + Add(R1, R1, T0, N2); + RecursiveMultiplyBottom(T0, T1, A0, B1, N2); + Add(R1, R1, T0, N2); + } +} + +// R[N] --- upper half of A*B +// T[2*N] - temporary work space +// L[N] --- lower half of A*B +// A[N] --- multiplier +// B[N] --- multiplicant + +void MultiplyTop(word *R, word *T, const word *L, const word *A, const word *B, size_t N) +{ + assert(N>=2 && N%2==0); + + if (N <= s_recursionLimit) + s_pTop[N/4](R, A, B, L[N-1]); + else + { + const size_t N2 = N/2; + + size_t AN2 = Compare(A0, A1, N2) > 0 ? 0 : N2; + Subtract(R0, A + AN2, A + (N2 ^ AN2), N2); + + size_t BN2 = Compare(B0, B1, N2) > 0 ? 0 : N2; + Subtract(R1, B + BN2, B + (N2 ^ BN2), N2); + + RecursiveMultiply(T0, T2, R0, R1, N2); + RecursiveMultiply(R0, T2, A1, B1, N2); + + // now T[01] holds (A1-A0)*(B0-B1) = A1*B0+A0*B1-A1*B1-A0*B0, R[01] holds A1*B1 + + int t, c3; + int c2 = Subtract(T2, L+N2, L, N2); + + if (AN2 == BN2) + { + c2 -= Add(T2, T2, T0, N2); + t = (Compare(T2, R0, N2) == -1); + c3 = t - Subtract(T2, T2, T1, N2); + } + else + { + c2 += Subtract(T2, T2, T0, N2); + t = (Compare(T2, R0, N2) == -1); + c3 = t + Add(T2, T2, T1, N2); + } + + c2 += t; + if (c2 >= 0) + c3 += Increment(T2, N2, c2); + else + c3 -= Decrement(T2, N2, -c2); + c3 += Add(R0, T2, R1, N2); + + assert (c3 >= 0 && c3 <= 2); + Increment(R1, N2, c3); + } +} + +inline void Multiply(word *R, word *T, const word *A, const word *B, size_t N) +{ + RecursiveMultiply(R, T, A, B, N); +} + +inline void Square(word *R, word *T, const word *A, size_t N) +{ + RecursiveSquare(R, T, A, N); +} + +inline void MultiplyBottom(word *R, word *T, const word *A, const word *B, size_t N) +{ + RecursiveMultiplyBottom(R, T, A, B, N); +} + +// R[NA+NB] - result = A*B +// T[NA+NB] - temporary work space +// A[NA] ---- multiplier +// B[NB] ---- multiplicant + +void AsymmetricMultiply(word *R, word *T, const word *A, size_t NA, const word *B, size_t NB) +{ + if (NA == NB) + { + if (A == B) + Square(R, T, A, NA); + else + Multiply(R, T, A, B, NA); + + return; + } + + if (NA > NB) + { + std::swap(A, B); + std::swap(NA, NB); + } + + assert(NB % NA == 0); + + if (NA==2 && !A[1]) + { + switch (A[0]) + { + case 0: + SetWords(R, 0, NB+2); + return; + case 1: + CopyWords(R, B, NB); + R[NB] = R[NB+1] = 0; + return; + default: + R[NB] = LinearMultiply(R, B, A[0], NB); + R[NB+1] = 0; + return; + } + } + + size_t i; + if ((NB/NA)%2 == 0) + { + Multiply(R, T, A, B, NA); + CopyWords(T+2*NA, R+NA, NA); + + for (i=2*NA; i<NB; i+=2*NA) + Multiply(T+NA+i, T, A, B+i, NA); + for (i=NA; i<NB; i+=2*NA) + Multiply(R+i, T, A, B+i, NA); + } + else + { + for (i=0; i<NB; i+=2*NA) + Multiply(R+i, T, A, B+i, NA); + for (i=NA; i<NB; i+=2*NA) + Multiply(T+NA+i, T, A, B+i, NA); + } + + if (Add(R+NA, R+NA, T+2*NA, NB-NA)) + Increment(R+NB, NA); +} + +// R[N] ----- result = A inverse mod 2**(WORD_BITS*N) +// T[3*N/2] - temporary work space +// A[N] ----- an odd number as input + +void RecursiveInverseModPower2(word *R, word *T, const word *A, size_t N) +{ + if (N==2) + { + T[0] = AtomicInverseModPower2(A[0]); + T[1] = 0; + s_pBot[0](T+2, T, A); + TwosComplement(T+2, 2); + Increment(T+2, 2, 2); + s_pBot[0](R, T, T+2); + } + else + { + const size_t N2 = N/2; + RecursiveInverseModPower2(R0, T0, A0, N2); + T0[0] = 1; + SetWords(T0+1, 0, N2-1); + MultiplyTop(R1, T1, T0, R0, A0, N2); + MultiplyBottom(T0, T1, R0, A1, N2); + Add(T0, R1, T0, N2); + TwosComplement(T0, N2); + MultiplyBottom(R1, T1, R0, T0, N2); + } +} + +// R[N] --- result = X/(2**(WORD_BITS*N)) mod M +// T[3*N] - temporary work space +// X[2*N] - number to be reduced +// M[N] --- modulus +// U[N] --- multiplicative inverse of M mod 2**(WORD_BITS*N) + +void MontgomeryReduce(word *R, word *T, word *X, const word *M, const word *U, size_t N) +{ +#if 1 + MultiplyBottom(R, T, X, U, N); + MultiplyTop(T, T+N, X, R, M, N); + word borrow = Subtract(T, X+N, T, N); + // defend against timing attack by doing this Add even when not needed + word carry = Add(T+N, T, M, N); + assert(carry | !borrow); + CopyWords(R, T + ((0-borrow) & N), N); +#elif 0 + const word u = 0-U[0]; + Declare2Words(p) + for (size_t i=0; i<N; i++) + { + const word t = u * X[i]; + word c = 0; + for (size_t j=0; j<N; j+=2) + { + MultiplyWords(p, t, M[j]); + Acc2WordsBy1(p, X[i+j]); + Acc2WordsBy1(p, c); + X[i+j] = LowWord(p); + c = HighWord(p); + MultiplyWords(p, t, M[j+1]); + Acc2WordsBy1(p, X[i+j+1]); + Acc2WordsBy1(p, c); + X[i+j+1] = LowWord(p); + c = HighWord(p); + } + + if (Increment(X+N+i, N-i, c)) + while (!Subtract(X+N, X+N, M, N)) {} + } + + memcpy(R, X+N, N*WORD_SIZE); +#else + __m64 u = _mm_cvtsi32_si64(0-U[0]), p; + for (size_t i=0; i<N; i++) + { + __m64 t = _mm_cvtsi32_si64(X[i]); + t = _mm_mul_su32(t, u); + __m64 c = _mm_setzero_si64(); + for (size_t j=0; j<N; j+=2) + { + p = _mm_mul_su32(t, _mm_cvtsi32_si64(M[j])); + p = _mm_add_si64(p, _mm_cvtsi32_si64(X[i+j])); + c = _mm_add_si64(c, p); + X[i+j] = _mm_cvtsi64_si32(c); + c = _mm_srli_si64(c, 32); + p = _mm_mul_su32(t, _mm_cvtsi32_si64(M[j+1])); + p = _mm_add_si64(p, _mm_cvtsi32_si64(X[i+j+1])); + c = _mm_add_si64(c, p); + X[i+j+1] = _mm_cvtsi64_si32(c); + c = _mm_srli_si64(c, 32); + } + + if (Increment(X+N+i, N-i, _mm_cvtsi64_si32(c))) + while (!Subtract(X+N, X+N, M, N)) {} + } + + memcpy(R, X+N, N*WORD_SIZE); + _mm_empty(); +#endif +} + +// R[N] --- result = X/(2**(WORD_BITS*N/2)) mod M +// T[2*N] - temporary work space +// X[2*N] - number to be reduced +// M[N] --- modulus +// U[N/2] - multiplicative inverse of M mod 2**(WORD_BITS*N/2) +// V[N] --- 2**(WORD_BITS*3*N/2) mod M + +void HalfMontgomeryReduce(word *R, word *T, const word *X, const word *M, const word *U, const word *V, size_t N) +{ + assert(N%2==0 && N>=4); + +#define M0 M +#define M1 (M+N2) +#define V0 V +#define V1 (V+N2) + +#define X0 X +#define X1 (X+N2) +#define X2 (X+N) +#define X3 (X+N+N2) + + const size_t N2 = N/2; + Multiply(T0, T2, V0, X3, N2); + int c2 = Add(T0, T0, X0, N); + MultiplyBottom(T3, T2, T0, U, N2); + MultiplyTop(T2, R, T0, T3, M0, N2); + c2 -= Subtract(T2, T1, T2, N2); + Multiply(T0, R, T3, M1, N2); + c2 -= Subtract(T0, T2, T0, N2); + int c3 = -(int)Subtract(T1, X2, T1, N2); + Multiply(R0, T2, V1, X3, N2); + c3 += Add(R, R, T, N); + + if (c2>0) + c3 += Increment(R1, N2); + else if (c2<0) + c3 -= Decrement(R1, N2, -c2); + + assert(c3>=-1 && c3<=1); + if (c3>0) + Subtract(R, R, M, N); + else if (c3<0) + Add(R, R, M, N); + +#undef M0 +#undef M1 +#undef V0 +#undef V1 + +#undef X0 +#undef X1 +#undef X2 +#undef X3 +} + +#undef A0 +#undef A1 +#undef B0 +#undef B1 + +#undef T0 +#undef T1 +#undef T2 +#undef T3 + +#undef R0 +#undef R1 +#undef R2 +#undef R3 + +/* +// do a 3 word by 2 word divide, returns quotient and leaves remainder in A +static word SubatomicDivide(word *A, word B0, word B1) +{ + // assert {A[2],A[1]} < {B1,B0}, so quotient can fit in a word + assert(A[2] < B1 || (A[2]==B1 && A[1] < B0)); + + // estimate the quotient: do a 2 word by 1 word divide + word Q; + if (B1+1 == 0) + Q = A[2]; + else + Q = DWord(A[1], A[2]).DividedBy(B1+1); + + // now subtract Q*B from A + DWord p = DWord::Multiply(B0, Q); + DWord u = (DWord) A[0] - p.GetLowHalf(); + A[0] = u.GetLowHalf(); + u = (DWord) A[1] - p.GetHighHalf() - u.GetHighHalfAsBorrow() - DWord::Multiply(B1, Q); + A[1] = u.GetLowHalf(); + A[2] += u.GetHighHalf(); + + // Q <= actual quotient, so fix it + while (A[2] || A[1] > B1 || (A[1]==B1 && A[0]>=B0)) + { + u = (DWord) A[0] - B0; + A[0] = u.GetLowHalf(); + u = (DWord) A[1] - B1 - u.GetHighHalfAsBorrow(); + A[1] = u.GetLowHalf(); + A[2] += u.GetHighHalf(); + Q++; + assert(Q); // shouldn't overflow + } + + return Q; +} + +// do a 4 word by 2 word divide, returns 2 word quotient in Q0 and Q1 +static inline void AtomicDivide(word *Q, const word *A, const word *B) +{ + if (!B[0] && !B[1]) // if divisor is 0, we assume divisor==2**(2*WORD_BITS) + { + Q[0] = A[2]; + Q[1] = A[3]; + } + else + { + word T[4]; + T[0] = A[0]; T[1] = A[1]; T[2] = A[2]; T[3] = A[3]; + Q[1] = SubatomicDivide(T+1, B[0], B[1]); + Q[0] = SubatomicDivide(T, B[0], B[1]); + +#ifndef NDEBUG + // multiply quotient and divisor and add remainder, make sure it equals dividend + assert(!T[2] && !T[3] && (T[1] < B[1] || (T[1]==B[1] && T[0]<B[0]))); + word P[4]; + LowLevel::Multiply2(P, Q, B); + Add(P, P, T, 4); + assert(memcmp(P, A, 4*WORD_SIZE)==0); +#endif + } +} +*/ + +static inline void AtomicDivide(word *Q, const word *A, const word *B) +{ + word T[4]; + DWord q = DivideFourWordsByTwo<word, DWord>(T, DWord(A[0], A[1]), DWord(A[2], A[3]), DWord(B[0], B[1])); + Q[0] = q.GetLowHalf(); + Q[1] = q.GetHighHalf(); + +#ifndef NDEBUG + if (B[0] || B[1]) + { + // multiply quotient and divisor and add remainder, make sure it equals dividend + assert(!T[2] && !T[3] && (T[1] < B[1] || (T[1]==B[1] && T[0]<B[0]))); + word P[4]; + s_pMul[0](P, Q, B); + Add(P, P, T, 4); + assert(memcmp(P, A, 4*WORD_SIZE)==0); + } +#endif +} + +// for use by Divide(), corrects the underestimated quotient {Q1,Q0} +static void CorrectQuotientEstimate(word *R, word *T, word *Q, const word *B, size_t N) +{ + assert(N && N%2==0); + + AsymmetricMultiply(T, T+N+2, Q, 2, B, N); + + word borrow = Subtract(R, R, T, N+2); + assert(!borrow && !R[N+1]); + + while (R[N] || Compare(R, B, N) >= 0) + { + R[N] -= Subtract(R, R, B, N); + Q[1] += (++Q[0]==0); + assert(Q[0] || Q[1]); // no overflow + } +} + +// R[NB] -------- remainder = A%B +// Q[NA-NB+2] --- quotient = A/B +// T[NA+3*(NB+2)] - temp work space +// A[NA] -------- dividend +// B[NB] -------- divisor + +void Divide(word *R, word *Q, word *T, const word *A, size_t NA, const word *B, size_t NB) +{ + assert(NA && NB && NA%2==0 && NB%2==0); + assert(B[NB-1] || B[NB-2]); + assert(NB <= NA); + + // set up temporary work space + word *const TA=T; + word *const TB=T+NA+2; + word *const TP=T+NA+2+NB; + + // copy B into TB and normalize it so that TB has highest bit set to 1 + unsigned shiftWords = (B[NB-1]==0); + TB[0] = TB[NB-1] = 0; + CopyWords(TB+shiftWords, B, NB-shiftWords); + unsigned shiftBits = WORD_BITS - BitPrecision(TB[NB-1]); + assert(shiftBits < WORD_BITS); + ShiftWordsLeftByBits(TB, NB, shiftBits); + + // copy A into TA and normalize it + TA[0] = TA[NA] = TA[NA+1] = 0; + CopyWords(TA+shiftWords, A, NA); + ShiftWordsLeftByBits(TA, NA+2, shiftBits); + + if (TA[NA+1]==0 && TA[NA] <= 1) + { + Q[NA-NB+1] = Q[NA-NB] = 0; + while (TA[NA] || Compare(TA+NA-NB, TB, NB) >= 0) + { + TA[NA] -= Subtract(TA+NA-NB, TA+NA-NB, TB, NB); + ++Q[NA-NB]; + } + } + else + { + NA+=2; + assert(Compare(TA+NA-NB, TB, NB) < 0); + } + + word BT[2]; + BT[0] = TB[NB-2] + 1; + BT[1] = TB[NB-1] + (BT[0]==0); + + // start reducing TA mod TB, 2 words at a time + for (size_t i=NA-2; i>=NB; i-=2) + { + AtomicDivide(Q+i-NB, TA+i-2, BT); + CorrectQuotientEstimate(TA+i-NB, TP, Q+i-NB, TB, NB); + } + + // copy TA into R, and denormalize it + CopyWords(R, TA+shiftWords, NB); + ShiftWordsRightByBits(R, NB, shiftBits); +} + +static inline size_t EvenWordCount(const word *X, size_t N) +{ + while (N && X[N-2]==0 && X[N-1]==0) + N-=2; + return N; +} + +// return k +// R[N] --- result = A^(-1) * 2^k mod M +// T[4*N] - temporary work space +// A[NA] -- number to take inverse of +// M[N] --- modulus + +unsigned int AlmostInverse(word *R, word *T, const word *A, size_t NA, const word *M, size_t N) +{ + assert(NA<=N && N && N%2==0); + + word *b = T; + word *c = T+N; + word *f = T+2*N; + word *g = T+3*N; + size_t bcLen=2, fgLen=EvenWordCount(M, N); + unsigned int k=0; + bool s=false; + + SetWords(T, 0, 3*N); + b[0]=1; + CopyWords(f, A, NA); + CopyWords(g, M, N); + + while (1) + { + word t=f[0]; + while (!t) + { + if (EvenWordCount(f, fgLen)==0) + { + SetWords(R, 0, N); + return 0; + } + + ShiftWordsRightByWords(f, fgLen, 1); + bcLen += 2 * (c[bcLen-1] != 0); + assert(bcLen <= N); + ShiftWordsLeftByWords(c, bcLen, 1); + k+=WORD_BITS; + t=f[0]; + } + + unsigned int i = TrailingZeros(t); + t >>= i; + k += i; + + if (t==1 && f[1]==0 && EvenWordCount(f+2, fgLen-2)==0) + { + if (s) + Subtract(R, M, b, N); + else + CopyWords(R, b, N); + return k; + } + + ShiftWordsRightByBits(f, fgLen, i); + t = ShiftWordsLeftByBits(c, bcLen, i); + c[bcLen] += t; + bcLen += 2 * (t!=0); + assert(bcLen <= N); + + bool swap = Compare(f, g, fgLen)==-1; + ConditionalSwapPointers(swap, f, g); + ConditionalSwapPointers(swap, b, c); + s ^= swap; + + fgLen -= 2 * !(f[fgLen-2] | f[fgLen-1]); + + Subtract(f, f, g, fgLen); + t = Add(b, b, c, bcLen); + b[bcLen] += t; + bcLen += 2*t; + assert(bcLen <= N); + } +} + +// R[N] - result = A/(2^k) mod M +// A[N] - input +// M[N] - modulus + +void DivideByPower2Mod(word *R, const word *A, size_t k, const word *M, size_t N) +{ + CopyWords(R, A, N); + + while (k--) + { + if (R[0]%2==0) + ShiftWordsRightByBits(R, N, 1); + else + { + word carry = Add(R, R, M, N); + ShiftWordsRightByBits(R, N, 1); + R[N-1] += carry<<(WORD_BITS-1); + } + } +} + +// R[N] - result = A*(2^k) mod M +// A[N] - input +// M[N] - modulus + +void MultiplyByPower2Mod(word *R, const word *A, size_t k, const word *M, size_t N) +{ + CopyWords(R, A, N); + + while (k--) + if (ShiftWordsLeftByBits(R, N, 1) || Compare(R, M, N)>=0) + Subtract(R, R, M, N); +} + +// ****************************************************************** + +InitializeInteger::InitializeInteger() +{ + if (!g_pAssignIntToInteger) + { + SetFunctionPointers(); + g_pAssignIntToInteger = AssignIntToInteger; + } +} + +static const unsigned int RoundupSizeTable[] = {2, 2, 2, 4, 4, 8, 8, 8, 8}; + +static inline size_t RoundupSize(size_t n) +{ + if (n<=8) + return RoundupSizeTable[n]; + else if (n<=16) + return 16; + else if (n<=32) + return 32; + else if (n<=64) + return 64; + else return size_t(1) << BitPrecision(n-1); +} + +Integer::Integer() + : reg(2), sign(POSITIVE) +{ + reg[0] = reg[1] = 0; +} + +Integer::Integer(const Integer& t) + : reg(RoundupSize(t.WordCount())), sign(t.sign) +{ + CopyWords(reg, t.reg, reg.size()); +} + +Integer::Integer(Sign s, lword value) + : reg(2), sign(s) +{ + reg[0] = word(value); + reg[1] = word(SafeRightShift<WORD_BITS>(value)); +} + +Integer::Integer(signed long value) + : reg(2) +{ + if (value >= 0) + sign = POSITIVE; + else + { + sign = NEGATIVE; + value = -value; + } + reg[0] = word(value); + reg[1] = word(SafeRightShift<WORD_BITS>((unsigned long)value)); +} + +Integer::Integer(Sign s, word high, word low) + : reg(2), sign(s) +{ + reg[0] = low; + reg[1] = high; +} + +bool Integer::IsConvertableToLong() const +{ + if (ByteCount() > sizeof(long)) + return false; + + unsigned long value = (unsigned long)reg[0]; + value += SafeLeftShift<WORD_BITS, unsigned long>((unsigned long)reg[1]); + + if (sign==POSITIVE) + return (signed long)value >= 0; + else + return -(signed long)value < 0; +} + +signed long Integer::ConvertToLong() const +{ + assert(IsConvertableToLong()); + + unsigned long value = (unsigned long)reg[0]; + value += SafeLeftShift<WORD_BITS, unsigned long>((unsigned long)reg[1]); + return sign==POSITIVE ? value : -(signed long)value; +} + +Integer::Integer(BufferedTransformation &encodedInteger, size_t byteCount, Signedness s) +{ + Decode(encodedInteger, byteCount, s); +} + +Integer::Integer(const byte *encodedInteger, size_t byteCount, Signedness s) +{ + Decode(encodedInteger, byteCount, s); +} + +Integer::Integer(BufferedTransformation &bt) +{ + BERDecode(bt); +} + +Integer::Integer(RandomNumberGenerator &rng, size_t bitcount) +{ + Randomize(rng, bitcount); +} + +Integer::Integer(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType, const Integer &equiv, const Integer &mod) +{ + if (!Randomize(rng, min, max, rnType, equiv, mod)) + throw Integer::RandomNumberNotFound(); +} + +Integer Integer::Power2(size_t e) +{ + Integer r((word)0, BitsToWords(e+1)); + r.SetBit(e); + return r; +} + +template <long i> +struct NewInteger +{ + Integer * operator()() const + { + return new Integer(i); + } +}; + +const Integer &Integer::Zero() +{ + return Singleton<Integer>().Ref(); +} + +const Integer &Integer::One() +{ + return Singleton<Integer, NewInteger<1> >().Ref(); +} + +const Integer &Integer::Two() +{ + return Singleton<Integer, NewInteger<2> >().Ref(); +} + +bool Integer::operator!() const +{ + return IsNegative() ? false : (reg[0]==0 && WordCount()==0); +} + +Integer& Integer::operator=(const Integer& t) +{ + if (this != &t) + { + if (reg.size() != t.reg.size() || t.reg[t.reg.size()/2] == 0) + reg.New(RoundupSize(t.WordCount())); + CopyWords(reg, t.reg, reg.size()); + sign = t.sign; + } + return *this; +} + +bool Integer::GetBit(size_t n) const +{ + if (n/WORD_BITS >= reg.size()) + return 0; + else + return bool((reg[n/WORD_BITS] >> (n % WORD_BITS)) & 1); +} + +void Integer::SetBit(size_t n, bool value) +{ + if (value) + { + reg.CleanGrow(RoundupSize(BitsToWords(n+1))); + reg[n/WORD_BITS] |= (word(1) << (n%WORD_BITS)); + } + else + { + if (n/WORD_BITS < reg.size()) + reg[n/WORD_BITS] &= ~(word(1) << (n%WORD_BITS)); + } +} + +byte Integer::GetByte(size_t n) const +{ + if (n/WORD_SIZE >= reg.size()) + return 0; + else + return byte(reg[n/WORD_SIZE] >> ((n%WORD_SIZE)*8)); +} + +void Integer::SetByte(size_t n, byte value) +{ + reg.CleanGrow(RoundupSize(BytesToWords(n+1))); + reg[n/WORD_SIZE] &= ~(word(0xff) << 8*(n%WORD_SIZE)); + reg[n/WORD_SIZE] |= (word(value) << 8*(n%WORD_SIZE)); +} + +lword Integer::GetBits(size_t i, size_t n) const +{ + lword v = 0; + assert(n <= sizeof(v)*8); + for (unsigned int j=0; j<n; j++) + v |= lword(GetBit(i+j)) << j; + return v; +} + +Integer Integer::operator-() const +{ + Integer result(*this); + result.Negate(); + return result; +} + +Integer Integer::AbsoluteValue() const +{ + Integer result(*this); + result.sign = POSITIVE; + return result; +} + +void Integer::swap(Integer &a) +{ + reg.swap(a.reg); + std::swap(sign, a.sign); +} + +Integer::Integer(word value, size_t length) + : reg(RoundupSize(length)), sign(POSITIVE) +{ + reg[0] = value; + SetWords(reg+1, 0, reg.size()-1); +} + +template <class T> +static Integer StringToInteger(const T *str) +{ + int radix; + // GCC workaround + // std::char_traits<wchar_t>::length() not defined in GCC 3.2 and STLport 4.5.3 + unsigned int length; + for (length = 0; str[length] != 0; length++) {} + + Integer v; + + if (length == 0) + return v; + + switch (str[length-1]) + { + case 'h': + case 'H': + radix=16; + break; + case 'o': + case 'O': + radix=8; + break; + case 'b': + case 'B': + radix=2; + break; + default: + radix=10; + } + + if (length > 2 && str[0] == '0' && str[1] == 'x') + radix = 16; + + for (unsigned i=0; i<length; i++) + { + int digit; + + if (str[i] >= '0' && str[i] <= '9') + digit = str[i] - '0'; + else if (str[i] >= 'A' && str[i] <= 'F') + digit = str[i] - 'A' + 10; + else if (str[i] >= 'a' && str[i] <= 'f') + digit = str[i] - 'a' + 10; + else + digit = radix; + + if (digit < radix) + { + v *= radix; + v += digit; + } + } + + if (str[0] == '-') + v.Negate(); + + return v; +} + +Integer::Integer(const char *str) + : reg(2), sign(POSITIVE) +{ + *this = StringToInteger(str); +} + +Integer::Integer(const wchar_t *str) + : reg(2), sign(POSITIVE) +{ + *this = StringToInteger(str); +} + +unsigned int Integer::WordCount() const +{ + return (unsigned int)CountWords(reg, reg.size()); +} + +unsigned int Integer::ByteCount() const +{ + unsigned wordCount = WordCount(); + if (wordCount) + return (wordCount-1)*WORD_SIZE + BytePrecision(reg[wordCount-1]); + else + return 0; +} + +unsigned int Integer::BitCount() const +{ + unsigned wordCount = WordCount(); + if (wordCount) + return (wordCount-1)*WORD_BITS + BitPrecision(reg[wordCount-1]); + else + return 0; +} + +void Integer::Decode(const byte *input, size_t inputLen, Signedness s) +{ + StringStore store(input, inputLen); + Decode(store, inputLen, s); +} + +void Integer::Decode(BufferedTransformation &bt, size_t inputLen, Signedness s) +{ + assert(bt.MaxRetrievable() >= inputLen); + + byte b; + bt.Peek(b); + sign = ((s==SIGNED) && (b & 0x80)) ? NEGATIVE : POSITIVE; + + while (inputLen>0 && (sign==POSITIVE ? b==0 : b==0xff)) + { + bt.Skip(1); + inputLen--; + bt.Peek(b); + } + + reg.CleanNew(RoundupSize(BytesToWords(inputLen))); + + for (size_t i=inputLen; i > 0; i--) + { + bt.Get(b); + reg[(i-1)/WORD_SIZE] |= word(b) << ((i-1)%WORD_SIZE)*8; + } + + if (sign == NEGATIVE) + { + for (size_t i=inputLen; i<reg.size()*WORD_SIZE; i++) + reg[i/WORD_SIZE] |= word(0xff) << (i%WORD_SIZE)*8; + TwosComplement(reg, reg.size()); + } +} + +size_t Integer::MinEncodedSize(Signedness signedness) const +{ + unsigned int outputLen = STDMAX(1U, ByteCount()); + if (signedness == UNSIGNED) + return outputLen; + if (NotNegative() && (GetByte(outputLen-1) & 0x80)) + outputLen++; + if (IsNegative() && *this < -Power2(outputLen*8-1)) + outputLen++; + return outputLen; +} + +void Integer::Encode(byte *output, size_t outputLen, Signedness signedness) const +{ + ArraySink sink(output, outputLen); + Encode(sink, outputLen, signedness); +} + +void Integer::Encode(BufferedTransformation &bt, size_t outputLen, Signedness signedness) const +{ + if (signedness == UNSIGNED || NotNegative()) + { + for (size_t i=outputLen; i > 0; i--) + bt.Put(GetByte(i-1)); + } + else + { + // take two's complement of *this + Integer temp = Integer::Power2(8*STDMAX((size_t)ByteCount(), outputLen)) + *this; + temp.Encode(bt, outputLen, UNSIGNED); + } +} + +void Integer::DEREncode(BufferedTransformation &bt) const +{ + DERGeneralEncoder enc(bt, INTEGER); + Encode(enc, MinEncodedSize(SIGNED), SIGNED); + enc.MessageEnd(); +} + +void Integer::BERDecode(const byte *input, size_t len) +{ + StringStore store(input, len); + BERDecode(store); +} + +void Integer::BERDecode(BufferedTransformation &bt) +{ + BERGeneralDecoder dec(bt, INTEGER); + if (!dec.IsDefiniteLength() || dec.MaxRetrievable() < dec.RemainingLength()) + BERDecodeError(); + Decode(dec, (size_t)dec.RemainingLength(), SIGNED); + dec.MessageEnd(); +} + +void Integer::DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const +{ + DERGeneralEncoder enc(bt, OCTET_STRING); + Encode(enc, length); + enc.MessageEnd(); +} + +void Integer::BERDecodeAsOctetString(BufferedTransformation &bt, size_t length) +{ + BERGeneralDecoder dec(bt, OCTET_STRING); + if (!dec.IsDefiniteLength() || dec.RemainingLength() != length) + BERDecodeError(); + Decode(dec, length); + dec.MessageEnd(); +} + +size_t Integer::OpenPGPEncode(byte *output, size_t len) const +{ + ArraySink sink(output, len); + return OpenPGPEncode(sink); +} + +size_t Integer::OpenPGPEncode(BufferedTransformation &bt) const +{ + word16 bitCount = BitCount(); + bt.PutWord16(bitCount); + size_t byteCount = BitsToBytes(bitCount); + Encode(bt, byteCount); + return 2 + byteCount; +} + +void Integer::OpenPGPDecode(const byte *input, size_t len) +{ + StringStore store(input, len); + OpenPGPDecode(store); +} + +void Integer::OpenPGPDecode(BufferedTransformation &bt) +{ + word16 bitCount; + if (bt.GetWord16(bitCount) != 2 || bt.MaxRetrievable() < BitsToBytes(bitCount)) + throw OpenPGPDecodeErr(); + Decode(bt, BitsToBytes(bitCount)); +} + +void Integer::Randomize(RandomNumberGenerator &rng, size_t nbits) +{ + const size_t nbytes = nbits/8 + 1; + SecByteBlock buf(nbytes); + rng.GenerateBlock(buf, nbytes); + if (nbytes) + buf[0] = (byte)Crop(buf[0], nbits % 8); + Decode(buf, nbytes, UNSIGNED); +} + +void Integer::Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max) +{ + if (min > max) + throw InvalidArgument("Integer: Min must be no greater than Max"); + + Integer range = max - min; + const unsigned int nbits = range.BitCount(); + + do + { + Randomize(rng, nbits); + } + while (*this > range); + + *this += min; +} + +bool Integer::Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType, const Integer &equiv, const Integer &mod) +{ + return GenerateRandomNoThrow(rng, MakeParameters("Min", min)("Max", max)("RandomNumberType", rnType)("EquivalentTo", equiv)("Mod", mod)); +} + +class KDF2_RNG : public RandomNumberGenerator +{ +public: + KDF2_RNG(const byte *seed, size_t seedSize) + : m_counter(0), m_counterAndSeed(seedSize + 4) + { + memcpy(m_counterAndSeed + 4, seed, seedSize); + } + + void GenerateBlock(byte *output, size_t size) + { + PutWord(false, BIG_ENDIAN_ORDER, m_counterAndSeed, m_counter); + ++m_counter; + P1363_KDF2<SHA1>::DeriveKey(output, size, m_counterAndSeed, m_counterAndSeed.size(), NULL, 0); + } + +private: + word32 m_counter; + SecByteBlock m_counterAndSeed; +}; + +bool Integer::GenerateRandomNoThrow(RandomNumberGenerator &i_rng, const NameValuePairs ¶ms) +{ + Integer min = params.GetValueWithDefault("Min", Integer::Zero()); + Integer max; + if (!params.GetValue("Max", max)) + { + int bitLength; + if (params.GetIntValue("BitLength", bitLength)) + max = Integer::Power2(bitLength); + else + throw InvalidArgument("Integer: missing Max argument"); + } + if (min > max) + throw InvalidArgument("Integer: Min must be no greater than Max"); + + Integer equiv = params.GetValueWithDefault("EquivalentTo", Integer::Zero()); + Integer mod = params.GetValueWithDefault("Mod", Integer::One()); + + if (equiv.IsNegative() || equiv >= mod) + throw InvalidArgument("Integer: invalid EquivalentTo and/or Mod argument"); + + Integer::RandomNumberType rnType = params.GetValueWithDefault("RandomNumberType", Integer::ANY); + + member_ptr<KDF2_RNG> kdf2Rng; + ConstByteArrayParameter seed; + if (params.GetValue(Name::Seed(), seed)) + { + ByteQueue bq; + DERSequenceEncoder seq(bq); + min.DEREncode(seq); + max.DEREncode(seq); + equiv.DEREncode(seq); + mod.DEREncode(seq); + DEREncodeUnsigned(seq, rnType); + DEREncodeOctetString(seq, seed.begin(), seed.size()); + seq.MessageEnd(); + + SecByteBlock finalSeed((size_t)bq.MaxRetrievable()); + bq.Get(finalSeed, finalSeed.size()); + kdf2Rng.reset(new KDF2_RNG(finalSeed.begin(), finalSeed.size())); + } + RandomNumberGenerator &rng = kdf2Rng.get() ? (RandomNumberGenerator &)*kdf2Rng : i_rng; + + switch (rnType) + { + case ANY: + if (mod == One()) + Randomize(rng, min, max); + else + { + Integer min1 = min + (equiv-min)%mod; + if (max < min1) + return false; + Randomize(rng, Zero(), (max - min1) / mod); + *this *= mod; + *this += min1; + } + return true; + + case PRIME: + { + const PrimeSelector *pSelector = params.GetValueWithDefault(Name::PointerToPrimeSelector(), (const PrimeSelector *)NULL); + + int i; + i = 0; + while (1) + { + if (++i==16) + { + // check if there are any suitable primes in [min, max] + Integer first = min; + if (FirstPrime(first, max, equiv, mod, pSelector)) + { + // if there is only one suitable prime, we're done + *this = first; + if (!FirstPrime(first, max, equiv, mod, pSelector)) + return true; + } + else + return false; + } + + Randomize(rng, min, max); + if (FirstPrime(*this, STDMIN(*this+mod*PrimeSearchInterval(max), max), equiv, mod, pSelector)) + return true; + } + } + + default: + throw InvalidArgument("Integer: invalid RandomNumberType argument"); + } +} + +std::istream& operator>>(std::istream& in, Integer &a) +{ + char c; + unsigned int length = 0; + SecBlock<char> str(length + 16); + + std::ws(in); + + do + { + in.read(&c, 1); + str[length++] = c; + if (length >= str.size()) + str.Grow(length + 16); + } + while (in && (c=='-' || c=='x' || (c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F') || c=='h' || c=='H' || c=='o' || c=='O' || c==',' || c=='.')); + + if (in.gcount()) + in.putback(c); + str[length-1] = '\0'; + a = Integer(str); + + return in; +} + +std::ostream& operator<<(std::ostream& out, const Integer &a) +{ + // Get relevant conversion specifications from ostream. + long f = out.flags() & std::ios::basefield; // Get base digits. + int base, block; + char suffix; + switch(f) + { + case std::ios::oct : + base = 8; + block = 8; + suffix = 'o'; + break; + case std::ios::hex : + base = 16; + block = 4; + suffix = 'h'; + break; + default : + base = 10; + block = 3; + suffix = '.'; + } + + Integer temp1=a, temp2; + + if (a.IsNegative()) + { + out << '-'; + temp1.Negate(); + } + + if (!a) + out << '0'; + + static const char upper[]="0123456789ABCDEF"; + static const char lower[]="0123456789abcdef"; + + const char* vec = (out.flags() & std::ios::uppercase) ? upper : lower; + unsigned i=0; + SecBlock<char> s(a.BitCount() / (BitPrecision(base)-1) + 1); + + while (!!temp1) + { + word digit; + Integer::Divide(digit, temp2, temp1, base); + s[i++]=vec[digit]; + temp1.swap(temp2); + } + + while (i--) + { + out << s[i]; +// if (i && !(i%block)) +// out << ","; + } + return out << suffix; +} + +Integer& Integer::operator++() +{ + if (NotNegative()) + { + if (Increment(reg, reg.size())) + { + reg.CleanGrow(2*reg.size()); + reg[reg.size()/2]=1; + } + } + else + { + word borrow = Decrement(reg, reg.size()); + assert(!borrow); + if (WordCount()==0) + *this = Zero(); + } + return *this; +} + +Integer& Integer::operator--() +{ + if (IsNegative()) + { + if (Increment(reg, reg.size())) + { + reg.CleanGrow(2*reg.size()); + reg[reg.size()/2]=1; + } + } + else + { + if (Decrement(reg, reg.size())) + *this = -One(); + } + return *this; +} + +void PositiveAdd(Integer &sum, const Integer &a, const Integer& b) +{ + int carry; + if (a.reg.size() == b.reg.size()) + carry = Add(sum.reg, a.reg, b.reg, a.reg.size()); + else if (a.reg.size() > b.reg.size()) + { + carry = Add(sum.reg, a.reg, b.reg, b.reg.size()); + CopyWords(sum.reg+b.reg.size(), a.reg+b.reg.size(), a.reg.size()-b.reg.size()); + carry = Increment(sum.reg+b.reg.size(), a.reg.size()-b.reg.size(), carry); + } + else + { + carry = Add(sum.reg, a.reg, b.reg, a.reg.size()); + CopyWords(sum.reg+a.reg.size(), b.reg+a.reg.size(), b.reg.size()-a.reg.size()); + carry = Increment(sum.reg+a.reg.size(), b.reg.size()-a.reg.size(), carry); + } + + if (carry) + { + sum.reg.CleanGrow(2*sum.reg.size()); + sum.reg[sum.reg.size()/2] = 1; + } + sum.sign = Integer::POSITIVE; +} + +void PositiveSubtract(Integer &diff, const Integer &a, const Integer& b) +{ + unsigned aSize = a.WordCount(); + aSize += aSize%2; + unsigned bSize = b.WordCount(); + bSize += bSize%2; + + if (aSize == bSize) + { + if (Compare(a.reg, b.reg, aSize) >= 0) + { + Subtract(diff.reg, a.reg, b.reg, aSize); + diff.sign = Integer::POSITIVE; + } + else + { + Subtract(diff.reg, b.reg, a.reg, aSize); + diff.sign = Integer::NEGATIVE; + } + } + else if (aSize > bSize) + { + word borrow = Subtract(diff.reg, a.reg, b.reg, bSize); + CopyWords(diff.reg+bSize, a.reg+bSize, aSize-bSize); + borrow = Decrement(diff.reg+bSize, aSize-bSize, borrow); + assert(!borrow); + diff.sign = Integer::POSITIVE; + } + else + { + word borrow = Subtract(diff.reg, b.reg, a.reg, aSize); + CopyWords(diff.reg+aSize, b.reg+aSize, bSize-aSize); + borrow = Decrement(diff.reg+aSize, bSize-aSize, borrow); + assert(!borrow); + diff.sign = Integer::NEGATIVE; + } +} + +// MSVC .NET 2003 workaround +template <class T> inline const T& STDMAX2(const T& a, const T& b) +{ + return a < b ? b : a; +} + +Integer Integer::Plus(const Integer& b) const +{ + Integer sum((word)0, STDMAX2(reg.size(), b.reg.size())); + if (NotNegative()) + { + if (b.NotNegative()) + PositiveAdd(sum, *this, b); + else + PositiveSubtract(sum, *this, b); + } + else + { + if (b.NotNegative()) + PositiveSubtract(sum, b, *this); + else + { + PositiveAdd(sum, *this, b); + sum.sign = Integer::NEGATIVE; + } + } + return sum; +} + +Integer& Integer::operator+=(const Integer& t) +{ + reg.CleanGrow(t.reg.size()); + if (NotNegative()) + { + if (t.NotNegative()) + PositiveAdd(*this, *this, t); + else + PositiveSubtract(*this, *this, t); + } + else + { + if (t.NotNegative()) + PositiveSubtract(*this, t, *this); + else + { + PositiveAdd(*this, *this, t); + sign = Integer::NEGATIVE; + } + } + return *this; +} + +Integer Integer::Minus(const Integer& b) const +{ + Integer diff((word)0, STDMAX2(reg.size(), b.reg.size())); + if (NotNegative()) + { + if (b.NotNegative()) + PositiveSubtract(diff, *this, b); + else + PositiveAdd(diff, *this, b); + } + else + { + if (b.NotNegative()) + { + PositiveAdd(diff, *this, b); + diff.sign = Integer::NEGATIVE; + } + else + PositiveSubtract(diff, b, *this); + } + return diff; +} + +Integer& Integer::operator-=(const Integer& t) +{ + reg.CleanGrow(t.reg.size()); + if (NotNegative()) + { + if (t.NotNegative()) + PositiveSubtract(*this, *this, t); + else + PositiveAdd(*this, *this, t); + } + else + { + if (t.NotNegative()) + { + PositiveAdd(*this, *this, t); + sign = Integer::NEGATIVE; + } + else + PositiveSubtract(*this, t, *this); + } + return *this; +} + +Integer& Integer::operator<<=(size_t n) +{ + const size_t wordCount = WordCount(); + const size_t shiftWords = n / WORD_BITS; + const unsigned int shiftBits = (unsigned int)(n % WORD_BITS); + + reg.CleanGrow(RoundupSize(wordCount+BitsToWords(n))); + ShiftWordsLeftByWords(reg, wordCount + shiftWords, shiftWords); + ShiftWordsLeftByBits(reg+shiftWords, wordCount+BitsToWords(shiftBits), shiftBits); + return *this; +} + +Integer& Integer::operator>>=(size_t n) +{ + const size_t wordCount = WordCount(); + const size_t shiftWords = n / WORD_BITS; + const unsigned int shiftBits = (unsigned int)(n % WORD_BITS); + + ShiftWordsRightByWords(reg, wordCount, shiftWords); + if (wordCount > shiftWords) + ShiftWordsRightByBits(reg, wordCount-shiftWords, shiftBits); + if (IsNegative() && WordCount()==0) // avoid -0 + *this = Zero(); + return *this; +} + +void PositiveMultiply(Integer &product, const Integer &a, const Integer &b) +{ + size_t aSize = RoundupSize(a.WordCount()); + size_t bSize = RoundupSize(b.WordCount()); + + product.reg.CleanNew(RoundupSize(aSize+bSize)); + product.sign = Integer::POSITIVE; + + IntegerSecBlock workspace(aSize + bSize); + AsymmetricMultiply(product.reg, workspace, a.reg, aSize, b.reg, bSize); +} + +void Multiply(Integer &product, const Integer &a, const Integer &b) +{ + PositiveMultiply(product, a, b); + + if (a.NotNegative() != b.NotNegative()) + product.Negate(); +} + +Integer Integer::Times(const Integer &b) const +{ + Integer product; + Multiply(product, *this, b); + return product; +} + +/* +void PositiveDivide(Integer &remainder, Integer "ient, + const Integer ÷nd, const Integer &divisor) +{ + remainder.reg.CleanNew(divisor.reg.size()); + remainder.sign = Integer::POSITIVE; + quotient.reg.New(0); + quotient.sign = Integer::POSITIVE; + unsigned i=dividend.BitCount(); + while (i--) + { + word overflow = ShiftWordsLeftByBits(remainder.reg, remainder.reg.size(), 1); + remainder.reg[0] |= dividend[i]; + if (overflow || remainder >= divisor) + { + Subtract(remainder.reg, remainder.reg, divisor.reg, remainder.reg.size()); + quotient.SetBit(i); + } + } +} +*/ + +void PositiveDivide(Integer &remainder, Integer "ient, + const Integer &a, const Integer &b) +{ + unsigned aSize = a.WordCount(); + unsigned bSize = b.WordCount(); + + if (!bSize) + throw Integer::DivideByZero(); + + if (aSize < bSize) + { + remainder = a; + remainder.sign = Integer::POSITIVE; + quotient = Integer::Zero(); + return; + } + + aSize += aSize%2; // round up to next even number + bSize += bSize%2; + + remainder.reg.CleanNew(RoundupSize(bSize)); + remainder.sign = Integer::POSITIVE; + quotient.reg.CleanNew(RoundupSize(aSize-bSize+2)); + quotient.sign = Integer::POSITIVE; + + IntegerSecBlock T(aSize+3*(bSize+2)); + Divide(remainder.reg, quotient.reg, T, a.reg, aSize, b.reg, bSize); +} + +void Integer::Divide(Integer &remainder, Integer "ient, const Integer ÷nd, const Integer &divisor) +{ + PositiveDivide(remainder, quotient, dividend, divisor); + + if (dividend.IsNegative()) + { + quotient.Negate(); + if (remainder.NotZero()) + { + --quotient; + remainder = divisor.AbsoluteValue() - remainder; + } + } + + if (divisor.IsNegative()) + quotient.Negate(); +} + +void Integer::DivideByPowerOf2(Integer &r, Integer &q, const Integer &a, unsigned int n) +{ + q = a; + q >>= n; + + const size_t wordCount = BitsToWords(n); + if (wordCount <= a.WordCount()) + { + r.reg.resize(RoundupSize(wordCount)); + CopyWords(r.reg, a.reg, wordCount); + SetWords(r.reg+wordCount, 0, r.reg.size()-wordCount); + if (n % WORD_BITS != 0) + r.reg[wordCount-1] %= (word(1) << (n % WORD_BITS)); + } + else + { + r.reg.resize(RoundupSize(a.WordCount())); + CopyWords(r.reg, a.reg, r.reg.size()); + } + r.sign = POSITIVE; + + if (a.IsNegative() && r.NotZero()) + { + --q; + r = Power2(n) - r; + } +} + +Integer Integer::DividedBy(const Integer &b) const +{ + Integer remainder, quotient; + Integer::Divide(remainder, quotient, *this, b); + return quotient; +} + +Integer Integer::Modulo(const Integer &b) const +{ + Integer remainder, quotient; + Integer::Divide(remainder, quotient, *this, b); + return remainder; +} + +void Integer::Divide(word &remainder, Integer "ient, const Integer ÷nd, word divisor) +{ + if (!divisor) + throw Integer::DivideByZero(); + + assert(divisor); + + if ((divisor & (divisor-1)) == 0) // divisor is a power of 2 + { + quotient = dividend >> (BitPrecision(divisor)-1); + remainder = dividend.reg[0] & (divisor-1); + return; + } + + unsigned int i = dividend.WordCount(); + quotient.reg.CleanNew(RoundupSize(i)); + remainder = 0; + while (i--) + { + quotient.reg[i] = DWord(dividend.reg[i], remainder) / divisor; + remainder = DWord(dividend.reg[i], remainder) % divisor; + } + + if (dividend.NotNegative()) + quotient.sign = POSITIVE; + else + { + quotient.sign = NEGATIVE; + if (remainder) + { + --quotient; + remainder = divisor - remainder; + } + } +} + +Integer Integer::DividedBy(word b) const +{ + word remainder; + Integer quotient; + Integer::Divide(remainder, quotient, *this, b); + return quotient; +} + +word Integer::Modulo(word divisor) const +{ + if (!divisor) + throw Integer::DivideByZero(); + + assert(divisor); + + word remainder; + + if ((divisor & (divisor-1)) == 0) // divisor is a power of 2 + remainder = reg[0] & (divisor-1); + else + { + unsigned int i = WordCount(); + + if (divisor <= 5) + { + DWord sum(0, 0); + while (i--) + sum += reg[i]; + remainder = sum % divisor; + } + else + { + remainder = 0; + while (i--) + remainder = DWord(reg[i], remainder) % divisor; + } + } + + if (IsNegative() && remainder) + remainder = divisor - remainder; + + return remainder; +} + +void Integer::Negate() +{ + if (!!(*this)) // don't flip sign if *this==0 + sign = Sign(1-sign); +} + +int Integer::PositiveCompare(const Integer& t) const +{ + unsigned size = WordCount(), tSize = t.WordCount(); + + if (size == tSize) + return CryptoPP::Compare(reg, t.reg, size); + else + return size > tSize ? 1 : -1; +} + +int Integer::Compare(const Integer& t) const +{ + if (NotNegative()) + { + if (t.NotNegative()) + return PositiveCompare(t); + else + return 1; + } + else + { + if (t.NotNegative()) + return -1; + else + return -PositiveCompare(t); + } +} + +Integer Integer::SquareRoot() const +{ + if (!IsPositive()) + return Zero(); + + // overestimate square root + Integer x, y = Power2((BitCount()+1)/2); + assert(y*y >= *this); + + do + { + x = y; + y = (x + *this/x) >> 1; + } while (y<x); + + return x; +} + +bool Integer::IsSquare() const +{ + Integer r = SquareRoot(); + return *this == r.Squared(); +} + +bool Integer::IsUnit() const +{ + return (WordCount() == 1) && (reg[0] == 1); +} + +Integer Integer::MultiplicativeInverse() const +{ + return IsUnit() ? *this : Zero(); +} + +Integer a_times_b_mod_c(const Integer &x, const Integer& y, const Integer& m) +{ + return x*y%m; +} + +Integer a_exp_b_mod_c(const Integer &x, const Integer& e, const Integer& m) +{ + ModularArithmetic mr(m); + return mr.Exponentiate(x, e); +} + +Integer Integer::Gcd(const Integer &a, const Integer &b) +{ + return EuclideanDomainOf<Integer>().Gcd(a, b); +} + +Integer Integer::InverseMod(const Integer &m) const +{ + assert(m.NotNegative()); + + if (IsNegative()) + return Modulo(m).InverseMod(m); + + if (m.IsEven()) + { + if (!m || IsEven()) + return Zero(); // no inverse + if (*this == One()) + return One(); + + Integer u = m.Modulo(*this).InverseMod(*this); + return !u ? Zero() : (m*(*this-u)+1)/(*this); + } + + SecBlock<word> T(m.reg.size() * 4); + Integer r((word)0, m.reg.size()); + unsigned k = AlmostInverse(r.reg, T, reg, reg.size(), m.reg, m.reg.size()); + DivideByPower2Mod(r.reg, r.reg, k, m.reg, m.reg.size()); + return r; +} + +word Integer::InverseMod(word mod) const +{ + word g0 = mod, g1 = *this % mod; + word v0 = 0, v1 = 1; + word y; + + while (g1) + { + if (g1 == 1) + return v1; + y = g0 / g1; + g0 = g0 % g1; + v0 += y * v1; + + if (!g0) + break; + if (g0 == 1) + return mod-v0; + y = g1 / g0; + g1 = g1 % g0; + v1 += y * v0; + } + return 0; +} + +// ******************************************************** + +ModularArithmetic::ModularArithmetic(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + OID oid(seq); + if (oid != ASN1::prime_field()) + BERDecodeError(); + m_modulus.BERDecode(seq); + seq.MessageEnd(); + m_result.reg.resize(m_modulus.reg.size()); +} + +void ModularArithmetic::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + ASN1::prime_field().DEREncode(seq); + m_modulus.DEREncode(seq); + seq.MessageEnd(); +} + +void ModularArithmetic::DEREncodeElement(BufferedTransformation &out, const Element &a) const +{ + a.DEREncodeAsOctetString(out, MaxElementByteLength()); +} + +void ModularArithmetic::BERDecodeElement(BufferedTransformation &in, Element &a) const +{ + a.BERDecodeAsOctetString(in, MaxElementByteLength()); +} + +const Integer& ModularArithmetic::Half(const Integer &a) const +{ + if (a.reg.size()==m_modulus.reg.size()) + { + CryptoPP::DivideByPower2Mod(m_result.reg.begin(), a.reg, 1, m_modulus.reg, a.reg.size()); + return m_result; + } + else + return m_result1 = (a.IsEven() ? (a >> 1) : ((a+m_modulus) >> 1)); +} + +const Integer& ModularArithmetic::Add(const Integer &a, const Integer &b) const +{ + if (a.reg.size()==m_modulus.reg.size() && b.reg.size()==m_modulus.reg.size()) + { + if (CryptoPP::Add(m_result.reg.begin(), a.reg, b.reg, a.reg.size()) + || Compare(m_result.reg, m_modulus.reg, a.reg.size()) >= 0) + { + CryptoPP::Subtract(m_result.reg.begin(), m_result.reg, m_modulus.reg, a.reg.size()); + } + return m_result; + } + else + { + m_result1 = a+b; + if (m_result1 >= m_modulus) + m_result1 -= m_modulus; + return m_result1; + } +} + +Integer& ModularArithmetic::Accumulate(Integer &a, const Integer &b) const +{ + if (a.reg.size()==m_modulus.reg.size() && b.reg.size()==m_modulus.reg.size()) + { + if (CryptoPP::Add(a.reg, a.reg, b.reg, a.reg.size()) + || Compare(a.reg, m_modulus.reg, a.reg.size()) >= 0) + { + CryptoPP::Subtract(a.reg, a.reg, m_modulus.reg, a.reg.size()); + } + } + else + { + a+=b; + if (a>=m_modulus) + a-=m_modulus; + } + + return a; +} + +const Integer& ModularArithmetic::Subtract(const Integer &a, const Integer &b) const +{ + if (a.reg.size()==m_modulus.reg.size() && b.reg.size()==m_modulus.reg.size()) + { + if (CryptoPP::Subtract(m_result.reg.begin(), a.reg, b.reg, a.reg.size())) + CryptoPP::Add(m_result.reg.begin(), m_result.reg, m_modulus.reg, a.reg.size()); + return m_result; + } + else + { + m_result1 = a-b; + if (m_result1.IsNegative()) + m_result1 += m_modulus; + return m_result1; + } +} + +Integer& ModularArithmetic::Reduce(Integer &a, const Integer &b) const +{ + if (a.reg.size()==m_modulus.reg.size() && b.reg.size()==m_modulus.reg.size()) + { + if (CryptoPP::Subtract(a.reg, a.reg, b.reg, a.reg.size())) + CryptoPP::Add(a.reg, a.reg, m_modulus.reg, a.reg.size()); + } + else + { + a-=b; + if (a.IsNegative()) + a+=m_modulus; + } + + return a; +} + +const Integer& ModularArithmetic::Inverse(const Integer &a) const +{ + if (!a) + return a; + + CopyWords(m_result.reg.begin(), m_modulus.reg, m_modulus.reg.size()); + if (CryptoPP::Subtract(m_result.reg.begin(), m_result.reg, a.reg, a.reg.size())) + Decrement(m_result.reg.begin()+a.reg.size(), m_modulus.reg.size()-a.reg.size()); + + return m_result; +} + +Integer ModularArithmetic::CascadeExponentiate(const Integer &x, const Integer &e1, const Integer &y, const Integer &e2) const +{ + if (m_modulus.IsOdd()) + { + MontgomeryRepresentation dr(m_modulus); + return dr.ConvertOut(dr.CascadeExponentiate(dr.ConvertIn(x), e1, dr.ConvertIn(y), e2)); + } + else + return AbstractRing<Integer>::CascadeExponentiate(x, e1, y, e2); +} + +void ModularArithmetic::SimultaneousExponentiate(Integer *results, const Integer &base, const Integer *exponents, unsigned int exponentsCount) const +{ + if (m_modulus.IsOdd()) + { + MontgomeryRepresentation dr(m_modulus); + dr.SimultaneousExponentiate(results, dr.ConvertIn(base), exponents, exponentsCount); + for (unsigned int i=0; i<exponentsCount; i++) + results[i] = dr.ConvertOut(results[i]); + } + else + AbstractRing<Integer>::SimultaneousExponentiate(results, base, exponents, exponentsCount); +} + +MontgomeryRepresentation::MontgomeryRepresentation(const Integer &m) // modulus must be odd + : ModularArithmetic(m), + m_u((word)0, m_modulus.reg.size()), + m_workspace(5*m_modulus.reg.size()) +{ + if (!m_modulus.IsOdd()) + throw InvalidArgument("MontgomeryRepresentation: Montgomery representation requires an odd modulus"); + + RecursiveInverseModPower2(m_u.reg, m_workspace, m_modulus.reg, m_modulus.reg.size()); +} + +const Integer& MontgomeryRepresentation::Multiply(const Integer &a, const Integer &b) const +{ + word *const T = m_workspace.begin(); + word *const R = m_result.reg.begin(); + const size_t N = m_modulus.reg.size(); + assert(a.reg.size()<=N && b.reg.size()<=N); + + AsymmetricMultiply(T, T+2*N, a.reg, a.reg.size(), b.reg, b.reg.size()); + SetWords(T+a.reg.size()+b.reg.size(), 0, 2*N-a.reg.size()-b.reg.size()); + MontgomeryReduce(R, T+2*N, T, m_modulus.reg, m_u.reg, N); + return m_result; +} + +const Integer& MontgomeryRepresentation::Square(const Integer &a) const +{ + word *const T = m_workspace.begin(); + word *const R = m_result.reg.begin(); + const size_t N = m_modulus.reg.size(); + assert(a.reg.size()<=N); + + CryptoPP::Square(T, T+2*N, a.reg, a.reg.size()); + SetWords(T+2*a.reg.size(), 0, 2*N-2*a.reg.size()); + MontgomeryReduce(R, T+2*N, T, m_modulus.reg, m_u.reg, N); + return m_result; +} + +Integer MontgomeryRepresentation::ConvertOut(const Integer &a) const +{ + word *const T = m_workspace.begin(); + word *const R = m_result.reg.begin(); + const size_t N = m_modulus.reg.size(); + assert(a.reg.size()<=N); + + CopyWords(T, a.reg, a.reg.size()); + SetWords(T+a.reg.size(), 0, 2*N-a.reg.size()); + MontgomeryReduce(R, T+2*N, T, m_modulus.reg, m_u.reg, N); + return m_result; +} + +const Integer& MontgomeryRepresentation::MultiplicativeInverse(const Integer &a) const +{ +// return (EuclideanMultiplicativeInverse(a, modulus)<<(2*WORD_BITS*modulus.reg.size()))%modulus; + word *const T = m_workspace.begin(); + word *const R = m_result.reg.begin(); + const size_t N = m_modulus.reg.size(); + assert(a.reg.size()<=N); + + CopyWords(T, a.reg, a.reg.size()); + SetWords(T+a.reg.size(), 0, 2*N-a.reg.size()); + MontgomeryReduce(R, T+2*N, T, m_modulus.reg, m_u.reg, N); + unsigned k = AlmostInverse(R, T, R, N, m_modulus.reg, N); + +// cout << "k=" << k << " N*32=" << 32*N << endl; + + if (k>N*WORD_BITS) + DivideByPower2Mod(R, R, k-N*WORD_BITS, m_modulus.reg, N); + else + MultiplyByPower2Mod(R, R, N*WORD_BITS-k, m_modulus.reg, N); + + return m_result; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/integer.h b/CryptoPP/integer.h new file mode 100644 index 000000000..6d844fa57 --- /dev/null +++ b/CryptoPP/integer.h @@ -0,0 +1,420 @@ +#ifndef CRYPTOPP_INTEGER_H +#define CRYPTOPP_INTEGER_H + +/** \file */ + +#include "cryptlib.h" +#include "secblock.h" + +#include <iosfwd> +#include <algorithm> + +NAMESPACE_BEGIN(CryptoPP) + +struct InitializeInteger // used to initialize static variables +{ + InitializeInteger(); +}; + +typedef SecBlock<word, AllocatorWithCleanup<word, CRYPTOPP_BOOL_X86> > IntegerSecBlock; + +//! multiple precision integer and basic arithmetics +/*! This class can represent positive and negative integers + with absolute value less than (256**sizeof(word)) ** (256**sizeof(int)). + \nosubgrouping +*/ +class CRYPTOPP_DLL Integer : private InitializeInteger, public ASN1Object +{ +public: + //! \name ENUMS, EXCEPTIONS, and TYPEDEFS + //@{ + //! division by zero exception + class DivideByZero : public Exception + { + public: + DivideByZero() : Exception(OTHER_ERROR, "Integer: division by zero") {} + }; + + //! + class RandomNumberNotFound : public Exception + { + public: + RandomNumberNotFound() : Exception(OTHER_ERROR, "Integer: no integer satisfies the given parameters") {} + }; + + //! + enum Sign {POSITIVE=0, NEGATIVE=1}; + + //! + enum Signedness { + //! + UNSIGNED, + //! + SIGNED}; + + //! + enum RandomNumberType { + //! + ANY, + //! + PRIME}; + //@} + + //! \name CREATORS + //@{ + //! creates the zero integer + Integer(); + + //! copy constructor + Integer(const Integer& t); + + //! convert from signed long + Integer(signed long value); + + //! convert from lword + Integer(Sign s, lword value); + + //! convert from two words + Integer(Sign s, word highWord, word lowWord); + + //! convert from string + /*! str can be in base 2, 8, 10, or 16. Base is determined by a + case insensitive suffix of 'h', 'o', or 'b'. No suffix means base 10. + */ + explicit Integer(const char *str); + explicit Integer(const wchar_t *str); + + //! convert from big-endian byte array + Integer(const byte *encodedInteger, size_t byteCount, Signedness s=UNSIGNED); + + //! convert from big-endian form stored in a BufferedTransformation + Integer(BufferedTransformation &bt, size_t byteCount, Signedness s=UNSIGNED); + + //! convert from BER encoded byte array stored in a BufferedTransformation object + explicit Integer(BufferedTransformation &bt); + + //! create a random integer + /*! The random integer created is uniformly distributed over [0, 2**bitcount). */ + Integer(RandomNumberGenerator &rng, size_t bitcount); + + //! avoid calling constructors for these frequently used integers + static const Integer & CRYPTOPP_API Zero(); + //! avoid calling constructors for these frequently used integers + static const Integer & CRYPTOPP_API One(); + //! avoid calling constructors for these frequently used integers + static const Integer & CRYPTOPP_API Two(); + + //! create a random integer of special type + /*! Ideally, the random integer created should be uniformly distributed + over {x | min <= x <= max and x is of rnType and x % mod == equiv}. + However the actual distribution may not be uniform because sequential + search is used to find an appropriate number from a random starting + point. + May return (with very small probability) a pseudoprime when a prime + is requested and max > lastSmallPrime*lastSmallPrime (lastSmallPrime + is declared in nbtheory.h). + \throw RandomNumberNotFound if the set is empty. + */ + Integer(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType=ANY, const Integer &equiv=Zero(), const Integer &mod=One()); + + //! return the integer 2**e + static Integer CRYPTOPP_API Power2(size_t e); + //@} + + //! \name ENCODE/DECODE + //@{ + //! minimum number of bytes to encode this integer + /*! MinEncodedSize of 0 is 1 */ + size_t MinEncodedSize(Signedness=UNSIGNED) const; + //! encode in big-endian format + /*! unsigned means encode absolute value, signed means encode two's complement if negative. + if outputLen < MinEncodedSize, the most significant bytes will be dropped + if outputLen > MinEncodedSize, the most significant bytes will be padded + */ + void Encode(byte *output, size_t outputLen, Signedness=UNSIGNED) const; + //! + void Encode(BufferedTransformation &bt, size_t outputLen, Signedness=UNSIGNED) const; + + //! encode using Distinguished Encoding Rules, put result into a BufferedTransformation object + void DEREncode(BufferedTransformation &bt) const; + + //! encode absolute value as big-endian octet string + void DEREncodeAsOctetString(BufferedTransformation &bt, size_t length) const; + + //! encode absolute value in OpenPGP format, return length of output + size_t OpenPGPEncode(byte *output, size_t bufferSize) const; + //! encode absolute value in OpenPGP format, put result into a BufferedTransformation object + size_t OpenPGPEncode(BufferedTransformation &bt) const; + + //! + void Decode(const byte *input, size_t inputLen, Signedness=UNSIGNED); + //! + //* Precondition: bt.MaxRetrievable() >= inputLen + void Decode(BufferedTransformation &bt, size_t inputLen, Signedness=UNSIGNED); + + //! + void BERDecode(const byte *input, size_t inputLen); + //! + void BERDecode(BufferedTransformation &bt); + + //! decode nonnegative value as big-endian octet string + void BERDecodeAsOctetString(BufferedTransformation &bt, size_t length); + + class OpenPGPDecodeErr : public Exception + { + public: + OpenPGPDecodeErr() : Exception(INVALID_DATA_FORMAT, "OpenPGP decode error") {} + }; + + //! + void OpenPGPDecode(const byte *input, size_t inputLen); + //! + void OpenPGPDecode(BufferedTransformation &bt); + //@} + + //! \name ACCESSORS + //@{ + //! return true if *this can be represented as a signed long + bool IsConvertableToLong() const; + //! return equivalent signed long if possible, otherwise undefined + signed long ConvertToLong() const; + + //! number of significant bits = floor(log2(abs(*this))) + 1 + unsigned int BitCount() const; + //! number of significant bytes = ceiling(BitCount()/8) + unsigned int ByteCount() const; + //! number of significant words = ceiling(ByteCount()/sizeof(word)) + unsigned int WordCount() const; + + //! return the i-th bit, i=0 being the least significant bit + bool GetBit(size_t i) const; + //! return the i-th byte + byte GetByte(size_t i) const; + //! return n lowest bits of *this >> i + lword GetBits(size_t i, size_t n) const; + + //! + bool IsZero() const {return !*this;} + //! + bool NotZero() const {return !IsZero();} + //! + bool IsNegative() const {return sign == NEGATIVE;} + //! + bool NotNegative() const {return !IsNegative();} + //! + bool IsPositive() const {return NotNegative() && NotZero();} + //! + bool NotPositive() const {return !IsPositive();} + //! + bool IsEven() const {return GetBit(0) == 0;} + //! + bool IsOdd() const {return GetBit(0) == 1;} + //@} + + //! \name MANIPULATORS + //@{ + //! + Integer& operator=(const Integer& t); + + //! + Integer& operator+=(const Integer& t); + //! + Integer& operator-=(const Integer& t); + //! + Integer& operator*=(const Integer& t) {return *this = Times(t);} + //! + Integer& operator/=(const Integer& t) {return *this = DividedBy(t);} + //! + Integer& operator%=(const Integer& t) {return *this = Modulo(t);} + //! + Integer& operator/=(word t) {return *this = DividedBy(t);} + //! + Integer& operator%=(word t) {return *this = Integer(POSITIVE, 0, Modulo(t));} + + //! + Integer& operator<<=(size_t); + //! + Integer& operator>>=(size_t); + + //! + void Randomize(RandomNumberGenerator &rng, size_t bitcount); + //! + void Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max); + //! set this Integer to a random element of {x | min <= x <= max and x is of rnType and x % mod == equiv} + /*! returns false if the set is empty */ + bool Randomize(RandomNumberGenerator &rng, const Integer &min, const Integer &max, RandomNumberType rnType, const Integer &equiv=Zero(), const Integer &mod=One()); + + bool GenerateRandomNoThrow(RandomNumberGenerator &rng, const NameValuePairs ¶ms = g_nullNameValuePairs); + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶ms = g_nullNameValuePairs) + { + if (!GenerateRandomNoThrow(rng, params)) + throw RandomNumberNotFound(); + } + + //! set the n-th bit to value + void SetBit(size_t n, bool value=1); + //! set the n-th byte to value + void SetByte(size_t n, byte value); + + //! + void Negate(); + //! + void SetPositive() {sign = POSITIVE;} + //! + void SetNegative() {if (!!(*this)) sign = NEGATIVE;} + + //! + void swap(Integer &a); + //@} + + //! \name UNARY OPERATORS + //@{ + //! + bool operator!() const; + //! + Integer operator+() const {return *this;} + //! + Integer operator-() const; + //! + Integer& operator++(); + //! + Integer& operator--(); + //! + Integer operator++(int) {Integer temp = *this; ++*this; return temp;} + //! + Integer operator--(int) {Integer temp = *this; --*this; return temp;} + //@} + + //! \name BINARY OPERATORS + //@{ + //! signed comparison + /*! \retval -1 if *this < a + \retval 0 if *this = a + \retval 1 if *this > a + */ + int Compare(const Integer& a) const; + + //! + Integer Plus(const Integer &b) const; + //! + Integer Minus(const Integer &b) const; + //! + Integer Times(const Integer &b) const; + //! + Integer DividedBy(const Integer &b) const; + //! + Integer Modulo(const Integer &b) const; + //! + Integer DividedBy(word b) const; + //! + word Modulo(word b) const; + + //! + Integer operator>>(size_t n) const {return Integer(*this)>>=n;} + //! + Integer operator<<(size_t n) const {return Integer(*this)<<=n;} + //@} + + //! \name OTHER ARITHMETIC FUNCTIONS + //@{ + //! + Integer AbsoluteValue() const; + //! + Integer Doubled() const {return Plus(*this);} + //! + Integer Squared() const {return Times(*this);} + //! extract square root, if negative return 0, else return floor of square root + Integer SquareRoot() const; + //! return whether this integer is a perfect square + bool IsSquare() const; + + //! is 1 or -1 + bool IsUnit() const; + //! return inverse if 1 or -1, otherwise return 0 + Integer MultiplicativeInverse() const; + + //! modular multiplication + CRYPTOPP_DLL friend Integer CRYPTOPP_API a_times_b_mod_c(const Integer &x, const Integer& y, const Integer& m); + //! modular exponentiation + CRYPTOPP_DLL friend Integer CRYPTOPP_API a_exp_b_mod_c(const Integer &x, const Integer& e, const Integer& m); + + //! calculate r and q such that (a == d*q + r) && (0 <= r < abs(d)) + static void CRYPTOPP_API Divide(Integer &r, Integer &q, const Integer &a, const Integer &d); + //! use a faster division algorithm when divisor is short + static void CRYPTOPP_API Divide(word &r, Integer &q, const Integer &a, word d); + + //! returns same result as Divide(r, q, a, Power2(n)), but faster + static void CRYPTOPP_API DivideByPowerOf2(Integer &r, Integer &q, const Integer &a, unsigned int n); + + //! greatest common divisor + static Integer CRYPTOPP_API Gcd(const Integer &a, const Integer &n); + //! calculate multiplicative inverse of *this mod n + Integer InverseMod(const Integer &n) const; + //! + word InverseMod(word n) const; + //@} + + //! \name INPUT/OUTPUT + //@{ + //! + friend CRYPTOPP_DLL std::istream& CRYPTOPP_API operator>>(std::istream& in, Integer &a); + //! + friend CRYPTOPP_DLL std::ostream& CRYPTOPP_API operator<<(std::ostream& out, const Integer &a); + //@} + +private: + friend class ModularArithmetic; + friend class MontgomeryRepresentation; + friend class HalfMontgomeryRepresentation; + + Integer(word value, size_t length); + + int PositiveCompare(const Integer &t) const; + friend void PositiveAdd(Integer &sum, const Integer &a, const Integer &b); + friend void PositiveSubtract(Integer &diff, const Integer &a, const Integer &b); + friend void PositiveMultiply(Integer &product, const Integer &a, const Integer &b); + friend void PositiveDivide(Integer &remainder, Integer "ient, const Integer ÷nd, const Integer &divisor); + + IntegerSecBlock reg; + Sign sign; +}; + +//! +inline bool operator==(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)==0;} +//! +inline bool operator!=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)!=0;} +//! +inline bool operator> (const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)> 0;} +//! +inline bool operator>=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)>=0;} +//! +inline bool operator< (const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)< 0;} +//! +inline bool operator<=(const CryptoPP::Integer& a, const CryptoPP::Integer& b) {return a.Compare(b)<=0;} +//! +inline CryptoPP::Integer operator+(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Plus(b);} +//! +inline CryptoPP::Integer operator-(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Minus(b);} +//! +inline CryptoPP::Integer operator*(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Times(b);} +//! +inline CryptoPP::Integer operator/(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.DividedBy(b);} +//! +inline CryptoPP::Integer operator%(const CryptoPP::Integer &a, const CryptoPP::Integer &b) {return a.Modulo(b);} +//! +inline CryptoPP::Integer operator/(const CryptoPP::Integer &a, CryptoPP::word b) {return a.DividedBy(b);} +//! +inline CryptoPP::word operator%(const CryptoPP::Integer &a, CryptoPP::word b) {return a.Modulo(b);} + +NAMESPACE_END + +#ifndef __BORLANDC__ +NAMESPACE_BEGIN(std) +inline void swap(CryptoPP::Integer &a, CryptoPP::Integer &b) +{ + a.swap(b); +} +NAMESPACE_END +#endif + +#endif diff --git a/CryptoPP/iterhash.cpp b/CryptoPP/iterhash.cpp new file mode 100644 index 000000000..1e31e9fb3 --- /dev/null +++ b/CryptoPP/iterhash.cpp @@ -0,0 +1,160 @@ +// iterhash.cpp - written and placed in the public domain by Wei Dai + +#ifndef __GNUC__ +#define CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#endif + +#include "iterhash.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class T, class BASE> void IteratedHashBase<T, BASE>::Update(const byte *input, size_t len) +{ + HashWordType oldCountLo = m_countLo, oldCountHi = m_countHi; + if ((m_countLo = oldCountLo + HashWordType(len)) < oldCountLo) + m_countHi++; // carry from low to high + m_countHi += (HashWordType)SafeRightShift<8*sizeof(HashWordType)>(len); + if (m_countHi < oldCountHi || SafeRightShift<2*8*sizeof(HashWordType)>(len) != 0) + throw HashInputTooLong(this->AlgorithmName()); + + unsigned int blockSize = this->BlockSize(); + unsigned int num = ModPowerOf2(oldCountLo, blockSize); + T* dataBuf = this->DataBuf(); + byte* data = (byte *)dataBuf; + + if (num != 0) // process left over data + { + if (num+len >= blockSize) + { + memcpy(data+num, input, blockSize-num); + HashBlock(dataBuf); + input += (blockSize-num); + len -= (blockSize-num); + num = 0; + // drop through and do the rest + } + else + { + memcpy(data+num, input, len); + return; + } + } + + // now process the input data in blocks of blockSize bytes and save the leftovers to m_data + if (len >= blockSize) + { + if (input == data) + { + assert(len == blockSize); + HashBlock(dataBuf); + return; + } + else if (IsAligned<T>(input)) + { + size_t leftOver = HashMultipleBlocks((T *)input, len); + input += (len - leftOver); + len = leftOver; + } + else + do + { // copy input first if it's not aligned correctly + memcpy(data, input, blockSize); + HashBlock(dataBuf); + input+=blockSize; + len-=blockSize; + } while (len >= blockSize); + } + + if (len && data != input) + memcpy(data, input, len); +} + +template <class T, class BASE> byte * IteratedHashBase<T, BASE>::CreateUpdateSpace(size_t &size) +{ + unsigned int blockSize = this->BlockSize(); + unsigned int num = ModPowerOf2(m_countLo, blockSize); + size = blockSize - num; + return (byte *)DataBuf() + num; +} + +template <class T, class BASE> size_t IteratedHashBase<T, BASE>::HashMultipleBlocks(const T *input, size_t length) +{ + unsigned int blockSize = this->BlockSize(); + bool noReverse = NativeByteOrderIs(this->GetByteOrder()); + T* dataBuf = this->DataBuf(); + do + { + if (noReverse) + this->HashEndianCorrectedBlock(input); + else + { + ByteReverse(dataBuf, input, this->BlockSize()); + this->HashEndianCorrectedBlock(dataBuf); + } + + input += blockSize/sizeof(T); + length -= blockSize; + } + while (length >= blockSize); + return length; +} + +template <class T, class BASE> void IteratedHashBase<T, BASE>::PadLastBlock(unsigned int lastBlockSize, byte padFirst) +{ + unsigned int blockSize = this->BlockSize(); + unsigned int num = ModPowerOf2(m_countLo, blockSize); + T* dataBuf = this->DataBuf(); + byte* data = (byte *)dataBuf; + data[num++] = padFirst; + if (num <= lastBlockSize) + memset(data+num, 0, lastBlockSize-num); + else + { + memset(data+num, 0, blockSize-num); + HashBlock(dataBuf); + memset(data, 0, lastBlockSize); + } +} + +template <class T, class BASE> void IteratedHashBase<T, BASE>::Restart() +{ + m_countLo = m_countHi = 0; + Init(); +} + +template <class T, class BASE> void IteratedHashBase<T, BASE>::TruncatedFinal(byte *digest, size_t size) +{ + this->ThrowIfInvalidTruncatedSize(size); + + T* dataBuf = this->DataBuf(); + T* stateBuf = this->StateBuf(); + unsigned int blockSize = this->BlockSize(); + ByteOrder order = this->GetByteOrder(); + + PadLastBlock(blockSize - 2*sizeof(HashWordType)); + dataBuf[blockSize/sizeof(T)-2+order] = ConditionalByteReverse(order, this->GetBitCountLo()); + dataBuf[blockSize/sizeof(T)-1-order] = ConditionalByteReverse(order, this->GetBitCountHi()); + + HashBlock(dataBuf); + + if (IsAligned<HashWordType>(digest) && size%sizeof(HashWordType)==0) + ConditionalByteReverse<HashWordType>(order, (HashWordType *)digest, stateBuf, size); + else + { + ConditionalByteReverse<HashWordType>(order, stateBuf, stateBuf, this->DigestSize()); + memcpy(digest, stateBuf, size); + } + + this->Restart(); // reinit for next use +} + +#ifdef __GNUC__ + template class IteratedHashBase<word64, HashTransformation>; + template class IteratedHashBase<word64, MessageAuthenticationCode>; + + template class IteratedHashBase<word32, HashTransformation>; + template class IteratedHashBase<word32, MessageAuthenticationCode>; +#endif + +NAMESPACE_END diff --git a/CryptoPP/iterhash.h b/CryptoPP/iterhash.h new file mode 100644 index 000000000..cce9e8211 --- /dev/null +++ b/CryptoPP/iterhash.h @@ -0,0 +1,106 @@ +#ifndef CRYPTOPP_ITERHASH_H +#define CRYPTOPP_ITERHASH_H + +#include "cryptlib.h" +#include "secblock.h" +#include "misc.h" +#include "simple.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! exception thrown when trying to hash more data than is allowed by a hash function +class CRYPTOPP_DLL HashInputTooLong : public InvalidDataFormat +{ +public: + explicit HashInputTooLong(const std::string &alg) + : InvalidDataFormat("IteratedHashBase: input data exceeds maximum allowed by hash function " + alg) {} +}; + +//! _ +template <class T, class BASE> +class CRYPTOPP_NO_VTABLE IteratedHashBase : public BASE +{ +public: + typedef T HashWordType; + + IteratedHashBase() : m_countLo(0), m_countHi(0) {} + unsigned int OptimalBlockSize() const {return this->BlockSize();} + unsigned int OptimalDataAlignment() const {return GetAlignmentOf<T>();} + void Update(const byte *input, size_t length); + byte * CreateUpdateSpace(size_t &size); + void Restart(); + void TruncatedFinal(byte *digest, size_t size); + +protected: + inline T GetBitCountHi() const {return (m_countLo >> (8*sizeof(T)-3)) + (m_countHi << 3);} + inline T GetBitCountLo() const {return m_countLo << 3;} + + void PadLastBlock(unsigned int lastBlockSize, byte padFirst=0x80); + virtual void Init() =0; + + virtual ByteOrder GetByteOrder() const =0; + virtual void HashEndianCorrectedBlock(const HashWordType *data) =0; + virtual size_t HashMultipleBlocks(const T *input, size_t length); + void HashBlock(const HashWordType *input) {HashMultipleBlocks(input, this->BlockSize());} + + virtual T* DataBuf() =0; + virtual T* StateBuf() =0; + +private: + T m_countLo, m_countHi; +}; + +//! _ +template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, class T_Base = HashTransformation> +class CRYPTOPP_NO_VTABLE IteratedHash : public IteratedHashBase<T_HashWordType, T_Base> +{ +public: + typedef T_Endianness ByteOrderClass; + typedef T_HashWordType HashWordType; + + CRYPTOPP_CONSTANT(BLOCKSIZE = T_BlockSize) + // BCB2006 workaround: can't use BLOCKSIZE here + CRYPTOPP_COMPILE_ASSERT((T_BlockSize & (T_BlockSize - 1)) == 0); // blockSize is a power of 2 + unsigned int BlockSize() const {return T_BlockSize;} + + ByteOrder GetByteOrder() const {return T_Endianness::ToEnum();} + + inline static void CorrectEndianess(HashWordType *out, const HashWordType *in, size_t byteCount) + { + ConditionalByteReverse(T_Endianness::ToEnum(), out, in, byteCount); + } + +protected: + T_HashWordType* DataBuf() {return this->m_data;} + FixedSizeSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType)> m_data; +}; + +//! _ +template <class T_HashWordType, class T_Endianness, unsigned int T_BlockSize, unsigned int T_StateSize, class T_Transform, unsigned int T_DigestSize = 0, bool T_StateAligned = false> +class CRYPTOPP_NO_VTABLE IteratedHashWithStaticTransform + : public ClonableImpl<T_Transform, AlgorithmImpl<IteratedHash<T_HashWordType, T_Endianness, T_BlockSize>, T_Transform> > +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize ? T_DigestSize : T_StateSize) + unsigned int DigestSize() const {return DIGESTSIZE;}; + +protected: + IteratedHashWithStaticTransform() {this->Init();} + void HashEndianCorrectedBlock(const T_HashWordType *data) {T_Transform::Transform(this->m_state, data);} + void Init() {T_Transform::InitState(this->m_state);} + + T_HashWordType* StateBuf() {return this->m_state;} + FixedSizeAlignedSecBlock<T_HashWordType, T_BlockSize/sizeof(T_HashWordType), T_StateAligned> m_state; +}; + +#ifndef __GNUC__ + CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word64, HashTransformation>; + CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word64, MessageAuthenticationCode>; + + CRYPTOPP_DLL_TEMPLATE_CLASS IteratedHashBase<word32, HashTransformation>; + CRYPTOPP_STATIC_TEMPLATE_CLASS IteratedHashBase<word32, MessageAuthenticationCode>; +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/lubyrack.h b/CryptoPP/lubyrack.h new file mode 100644 index 000000000..e8fd2f748 --- /dev/null +++ b/CryptoPP/lubyrack.h @@ -0,0 +1,141 @@ +// lubyrack.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_LUBYRACK_H +#define CRYPTOPP_LUBYRACK_H + +/** \file */ + +#include "simple.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> struct DigestSizeDoubleWorkaround // VC60 workaround +{ + CRYPTOPP_CONSTANT(RESULT = 2*T::DIGESTSIZE) +}; + +//! algorithm info +template <class T> +struct LR_Info : public VariableKeyLength<16, 0, 2*(INT_MAX/2), 2>, public FixedBlockSize<DigestSizeDoubleWorkaround<T>::RESULT> +{ + static std::string StaticAlgorithmName() {return std::string("LR/")+T::StaticAlgorithmName();} +}; + +//! Luby-Rackoff +template <class T> +class LR : public LR_Info<T>, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<LR_Info<T> > + { + public: + // VC60 workaround: have to define these functions within class definition + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms) + { + this->AssertValidKeyLength(length); + + L = length/2; + buffer.New(2*S); + digest.New(S); + key.Assign(userKey, 2*L); + } + + protected: + CRYPTOPP_CONSTANT(S=T::DIGESTSIZE) + unsigned int L; // key length / 2 + SecByteBlock key; + + mutable T hm; + mutable SecByteBlock buffer, digest; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + +#define KL this->key +#define KR this->key+this->L +#define BL this->buffer +#define BR this->buffer+this->S +#define IL inBlock +#define IR inBlock+this->S +#define OL outBlock +#define OR outBlock+this->S + + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const + { + this->hm.Update(KL, this->L); + this->hm.Update(IL, this->S); + this->hm.Final(BR); + xorbuf(BR, IR, this->S); + + this->hm.Update(KR, this->L); + this->hm.Update(BR, this->S); + this->hm.Final(BL); + xorbuf(BL, IL, this->S); + + this->hm.Update(KL, this->L); + this->hm.Update(BL, this->S); + this->hm.Final(this->digest); + xorbuf(BR, this->digest, this->S); + + this->hm.Update(KR, this->L); + this->hm.Update(OR, this->S); + this->hm.Final(this->digest); + xorbuf(BL, this->digest, this->S); + + if (xorBlock) + xorbuf(outBlock, xorBlock, this->buffer, 2*this->S); + else + memcpy_s(outBlock, 2*this->S, this->buffer, 2*this->S); + } + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const + { + this->hm.Update(KR, this->L); + this->hm.Update(IR, this->S); + this->hm.Final(BL); + xorbuf(BL, IL, this->S); + + this->hm.Update(KL, this->L); + this->hm.Update(BL, this->S); + this->hm.Final(BR); + xorbuf(BR, IR, this->S); + + this->hm.Update(KR, this->L); + this->hm.Update(BR, this->S); + this->hm.Final(this->digest); + xorbuf(BL, this->digest, this->S); + + this->hm.Update(KL, this->L); + this->hm.Update(OL, this->S); + this->hm.Final(this->digest); + xorbuf(BR, this->digest, this->S); + + if (xorBlock) + xorbuf(outBlock, xorBlock, this->buffer, 2*this->S); + else + memcpy(outBlock, this->buffer, 2*this->S); + } +#undef KL +#undef KR +#undef BL +#undef BR +#undef IL +#undef IR +#undef OL +#undef OR + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/luc.cpp b/CryptoPP/luc.cpp new file mode 100644 index 000000000..43cd2ed21 --- /dev/null +++ b/CryptoPP/luc.cpp @@ -0,0 +1,210 @@ +// luc.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "luc.h" +#include "asn.h" +#include "nbtheory.h" +#include "sha.h" +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +void LUC_TestInstantiations() +{ + LUC_HMP<SHA>::Signer t1; + LUCFunction t2; + InvertibleLUCFunction t3; +} + +void DL_Algorithm_LUC_HMP::Sign(const DL_GroupParameters<Integer> ¶ms, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const +{ + const Integer &q = params.GetSubgroupOrder(); + r = params.ExponentiateBase(k); + s = (k + x*(r+e)) % q; +} + +bool DL_Algorithm_LUC_HMP::Verify(const DL_GroupParameters<Integer> ¶ms, const DL_PublicKey<Integer> &publicKey, const Integer &e, const Integer &r, const Integer &s) const +{ + Integer p = params.GetGroupOrder()-1; + const Integer &q = params.GetSubgroupOrder(); + + Integer Vsg = params.ExponentiateBase(s); + Integer Vry = publicKey.ExponentiatePublicElement((r+e)%q); + return (Vsg*Vsg + Vry*Vry + r*r) % p == (Vsg * Vry * r + 4) % p; +} + +Integer DL_BasePrecomputation_LUC::Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const +{ + return Lucas(exponent, m_g, static_cast<const DL_GroupPrecomputation_LUC &>(group).GetModulus()); +} + +void DL_GroupParameters_LUC::SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const +{ + for (unsigned int i=0; i<exponentsCount; i++) + results[i] = Lucas(exponents[i], base, GetModulus()); +} + +void LUCFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_e.BERDecode(seq); + seq.MessageEnd(); +} + +void LUCFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_e.DEREncode(seq); + seq.MessageEnd(); +} + +Integer LUCFunction::ApplyFunction(const Integer &x) const +{ + DoQuickSanityCheck(); + return Lucas(m_e, x, m_n); +} + +bool LUCFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_n > Integer::One() && m_n.IsOdd(); + pass = pass && m_e > Integer::One() && m_e.IsOdd() && m_e < m_n; + return pass; +} + +bool LUCFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_GET_FUNCTION_ENTRY(PublicExponent) + ; +} + +void LUCFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_SET_FUNCTION_ENTRY(PublicExponent) + ; +} + +// ***************************************************************************** +// private key operations: + +class LUCPrimeSelector : public PrimeSelector +{ +public: + LUCPrimeSelector(const Integer &e) : m_e(e) {} + bool IsAcceptable(const Integer &candidate) const + { + return RelativelyPrime(m_e, candidate+1) && RelativelyPrime(m_e, candidate-1); + } + Integer m_e; +}; + +void InvertibleLUCFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + int modulusSize = 2048; + alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize); + + if (modulusSize < 16) + throw InvalidArgument("InvertibleLUCFunction: specified modulus size is too small"); + + m_e = alg.GetValueWithDefault("PublicExponent", Integer(17)); + + if (m_e < 5 || m_e.IsEven()) + throw InvalidArgument("InvertibleLUCFunction: invalid public exponent"); + + LUCPrimeSelector selector(m_e); + AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize) + ("PointerToPrimeSelector", selector.GetSelectorPointer()); + m_p.GenerateRandom(rng, primeParam); + m_q.GenerateRandom(rng, primeParam); + + m_n = m_p * m_q; + m_u = m_q.InverseMod(m_p); +} + +void InvertibleLUCFunction::Initialize(RandomNumberGenerator &rng, unsigned int keybits, const Integer &e) +{ + GenerateRandom(rng, MakeParameters("ModulusSize", (int)keybits)("PublicExponent", e)); +} + +void InvertibleLUCFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + + Integer version(seq); + if (!!version) // make sure version is 0 + BERDecodeError(); + + m_n.BERDecode(seq); + m_e.BERDecode(seq); + m_p.BERDecode(seq); + m_q.BERDecode(seq); + m_u.BERDecode(seq); + seq.MessageEnd(); +} + +void InvertibleLUCFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + + const byte version[] = {INTEGER, 1, 0}; + seq.Put(version, sizeof(version)); + m_n.DEREncode(seq); + m_e.DEREncode(seq); + m_p.DEREncode(seq); + m_q.DEREncode(seq); + m_u.DEREncode(seq); + seq.MessageEnd(); +} + +Integer InvertibleLUCFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const +{ + // not clear how to do blinding with LUC + DoQuickSanityCheck(); + return InverseLucas(m_e, x, m_q, m_p, m_u); +} + +bool InvertibleLUCFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = LUCFunction::Validate(rng, level); + pass = pass && m_p > Integer::One() && m_p.IsOdd() && m_p < m_n; + pass = pass && m_q > Integer::One() && m_q.IsOdd() && m_q < m_n; + pass = pass && m_u.IsPositive() && m_u < m_p; + if (level >= 1) + { + pass = pass && m_p * m_q == m_n; + pass = pass && RelativelyPrime(m_e, m_p+1); + pass = pass && RelativelyPrime(m_e, m_p-1); + pass = pass && RelativelyPrime(m_e, m_q+1); + pass = pass && RelativelyPrime(m_e, m_q-1); + pass = pass && m_u * m_q % m_p == 1; + } + if (level >= 2) + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + return pass; +} + +bool InvertibleLUCFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<LUCFunction>(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +void InvertibleLUCFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper<LUCFunction>(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +NAMESPACE_END diff --git a/CryptoPP/luc.h b/CryptoPP/luc.h new file mode 100644 index 000000000..730776d57 --- /dev/null +++ b/CryptoPP/luc.h @@ -0,0 +1,236 @@ +#ifndef CRYPTOPP_LUC_H +#define CRYPTOPP_LUC_H + +/** \file +*/ + +#include "pkcspad.h" +#include "oaep.h" +#include "integer.h" +#include "dh.h" + +#include <limits.h> + +NAMESPACE_BEGIN(CryptoPP) + +//! The LUC function. +/*! This class is here for historical and pedagogical interest. It has no + practical advantages over other trapdoor functions and probably shouldn't + be used in production software. The discrete log based LUC schemes + defined later in this .h file may be of more practical interest. +*/ +class LUCFunction : public TrapdoorFunction, public PublicKey +{ + typedef LUCFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &e) + {m_n = n; m_e = e;} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return m_n;} + Integer ImageBound() const {return m_n;} + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // non-derived interface + const Integer & GetModulus() const {return m_n;} + const Integer & GetPublicExponent() const {return m_e;} + + void SetModulus(const Integer &n) {m_n = n;} + void SetPublicExponent(const Integer &e) {m_e = e;} + +protected: + Integer m_n, m_e; +}; + +//! _ +class InvertibleLUCFunction : public LUCFunction, public TrapdoorFunctionInverse, public PrivateKey +{ + typedef InvertibleLUCFunction ThisClass; + +public: + void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &eStart=17); + void Initialize(const Integer &n, const Integer &e, const Integer &p, const Integer &q, const Integer &u) + {m_n = n; m_e = e; m_p = p; m_q = q; m_u = u;} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const; + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + /*! parameters: (ModulusSize, PublicExponent (default 17)) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + + // non-derived interface + const Integer& GetPrime1() const {return m_p;} + const Integer& GetPrime2() const {return m_q;} + const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;} + + void SetPrime1(const Integer &p) {m_p = p;} + void SetPrime2(const Integer &q) {m_q = q;} + void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;} + +protected: + Integer m_p, m_q, m_u; +}; + +struct LUC +{ + static std::string StaticAlgorithmName() {return "LUC";} + typedef LUCFunction PublicKey; + typedef InvertibleLUCFunction PrivateKey; +}; + +//! LUC cryptosystem +template <class STANDARD> +struct LUCES : public TF_ES<STANDARD, LUC> +{ +}; + +//! LUC signature scheme with appendix +template <class STANDARD, class H> +struct LUCSS : public TF_SS<STANDARD, H, LUC> +{ +}; + +// analagous to the RSA schemes defined in PKCS #1 v2.0 +typedef LUCES<OAEP<SHA> >::Decryptor LUCES_OAEP_SHA_Decryptor; +typedef LUCES<OAEP<SHA> >::Encryptor LUCES_OAEP_SHA_Encryptor; + +typedef LUCSS<PKCS1v15, SHA>::Signer LUCSSA_PKCS1v15_SHA_Signer; +typedef LUCSS<PKCS1v15, SHA>::Verifier LUCSSA_PKCS1v15_SHA_Verifier; + +// ******************************************************** + +// no actual precomputation +class DL_GroupPrecomputation_LUC : public DL_GroupPrecomputation<Integer> +{ +public: + const AbstractGroup<Element> & GetGroup() const {assert(false); throw 0;} + Element BERDecodeElement(BufferedTransformation &bt) const {return Integer(bt);} + void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);} + + // non-inherited + void SetModulus(const Integer &v) {m_p = v;} + const Integer & GetModulus() const {return m_p;} + +private: + Integer m_p; +}; + +//! _ +class DL_BasePrecomputation_LUC : public DL_FixedBasePrecomputation<Integer> +{ +public: + // DL_FixedBasePrecomputation + bool IsInitialized() const {return m_g.NotZero();} + void SetBase(const DL_GroupPrecomputation<Element> &group, const Integer &base) {m_g = base;} + const Integer & GetBase(const DL_GroupPrecomputation<Element> &group) const {return m_g;} + void Precompute(const DL_GroupPrecomputation<Element> &group, unsigned int maxExpBits, unsigned int storage) {} + void Load(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) {} + void Save(const DL_GroupPrecomputation<Element> &group, BufferedTransformation &storedPrecomputation) const {} + Integer Exponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent) const; + Integer CascadeExponentiate(const DL_GroupPrecomputation<Element> &group, const Integer &exponent, const DL_FixedBasePrecomputation<Integer> &pc2, const Integer &exponent2) const + {throw NotImplemented("DL_BasePrecomputation_LUC: CascadeExponentiate not implemented");} // shouldn't be called + +private: + Integer m_g; +}; + +//! _ +class DL_GroupParameters_LUC : public DL_GroupParameters_IntegerBasedImpl<DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC> +{ +public: + // DL_GroupParameters + bool IsIdentity(const Integer &element) const {return element == Integer::Two();} + void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; + Element MultiplyElements(const Element &a, const Element &b) const + {throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");} + Element CascadeExponentiate(const Element &element1, const Integer &exponent1, const Element &element2, const Integer &exponent2) const + {throw NotImplemented("LUC_GroupParameters: MultiplyElements can not be implemented");} + + // NameValuePairs interface + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper<DL_GroupParameters_IntegerBased>(this, name, valueType, pValue).Assignable(); + } + +private: + int GetFieldType() const {return 2;} +}; + +//! _ +class DL_GroupParameters_LUC_DefaultSafePrime : public DL_GroupParameters_LUC +{ +public: + typedef NoCofactorMultiplication DefaultCofactorOption; + +protected: + unsigned int GetDefaultSubgroupOrderSize(unsigned int modulusSize) const {return modulusSize-1;} +}; + +//! _ +class DL_Algorithm_LUC_HMP : public DL_ElgamalLikeSignatureAlgorithm<Integer> +{ +public: + static const char * StaticAlgorithmName() {return "LUC-HMP";} + + void Sign(const DL_GroupParameters<Integer> ¶ms, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const; + bool Verify(const DL_GroupParameters<Integer> ¶ms, const DL_PublicKey<Integer> &publicKey, const Integer &e, const Integer &r, const Integer &s) const; + + size_t RLen(const DL_GroupParameters<Integer> ¶ms) const + {return params.GetGroupOrder().ByteCount();} +}; + +//! _ +struct DL_SignatureKeys_LUC +{ + typedef DL_GroupParameters_LUC GroupParameters; + typedef DL_PublicKey_GFP<GroupParameters> PublicKey; + typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey; +}; + +//! LUC-HMP, based on "Digital signature schemes based on Lucas functions" by Patrick Horster, Markus Michels, Holger Petersen +template <class H> +struct LUC_HMP : public DL_SS<DL_SignatureKeys_LUC, DL_Algorithm_LUC_HMP, DL_SignatureMessageEncodingMethod_DSA, H> +{ +}; + +//! _ +struct DL_CryptoKeys_LUC +{ + typedef DL_GroupParameters_LUC_DefaultSafePrime GroupParameters; + typedef DL_PublicKey_GFP<GroupParameters> PublicKey; + typedef DL_PrivateKey_GFP<GroupParameters> PrivateKey; +}; + +//! LUC-IES +template <class COFACTOR_OPTION = NoCofactorMultiplication, bool DHAES_MODE = true> +struct LUC_IES + : public DL_ES< + DL_CryptoKeys_LUC, + DL_KeyAgreementAlgorithm_DH<Integer, COFACTOR_OPTION>, + DL_KeyDerivationAlgorithm_P1363<Integer, DHAES_MODE, P1363_KDF2<SHA1> >, + DL_EncryptionAlgorithm_Xor<HMAC<SHA1>, DHAES_MODE>, + LUC_IES<> > +{ + static std::string StaticAlgorithmName() {return "LUC-IES";} // non-standard name +}; + +// ******************************************************** + +//! LUC-DH +typedef DH_Domain<DL_GroupParameters_LUC_DefaultSafePrime> LUC_DH; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/mars.cpp b/CryptoPP/mars.cpp new file mode 100644 index 000000000..fe9b1186a --- /dev/null +++ b/CryptoPP/mars.cpp @@ -0,0 +1,154 @@ +// mars.cpp - written and placed in the public domain by Wei Dai + +// includes IBM's key setup "tweak" proposed in August 1999 (http://www.research.ibm.com/security/key-setup.txt) + +#include "pch.h" +#include "mars.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void MARS::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + // Initialize T[] with the key data + FixedSizeSecBlock<word32, 15> T; + GetUserKey(LITTLE_ENDIAN_ORDER, T.begin(), 15, userKey, length); + T[length/4] = length/4; + + for (unsigned int j=0; j<4; j++) // compute 10 words of K[] in each iteration + { + unsigned int i; + // Do linear transformation + for (i=0; i<15; i++) + T[i] = T[i] ^ rotlFixed(T[(i+8)%15] ^ T[(i+13)%15], 3) ^ (4*i+j); + + // Do four rounds of stirring + for (unsigned int k=0; k<4; k++) + for (i=0; i<15; i++) + T[i] = rotlFixed(T[i] + Sbox[T[(i+14)%15]%512], 9); + + // Store next 10 key words into K[] + for (i=0; i<10; i++) + m_k[10*j+i] = T[4*i%15]; + } + + // Modify multiplication key-words + for(unsigned int i = 5; i < 37; i += 2) + { + word32 m, w = m_k[i] | 3; + m = (~w ^ (w<<1)) & (~w ^ (w>>1)) & 0x7ffffffe; + m &= m>>1; m &= m>>2; m &= m>>4; + m |= m<<1; m |= m<<2; m |= m<<4; + m &= 0x7ffffffc; + w ^= rotlMod(Sbox[265 + (m_k[i] & 3)], m_k[i-1]) & m; + m_k[i] = w; + } +} + +#define S(a) Sbox[(a)&0x1ff] +#define S0(a) Sbox[(a)&0xff] +#define S1(a) Sbox[((a)&0xff) + 256] + +typedef BlockGetAndPut<word32, LittleEndian> Block; + +void MARS::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + unsigned int i; + word32 a, b, c, d, l, m, r, t; + const word32 *k = m_k; + + Block::Get(inBlock)(a)(b)(c)(d); + + a += k[0]; b += k[1]; c += k[2]; d += k[3]; + + for (i=0; i<8; i++) + { + b = (b ^ S0(a)) + S1(a>>8); + c += S0(a>>16); + a = rotrFixed(a, 24); + d ^= S1(a); + a += (i%4==0) ? d : 0; + a += (i%4==1) ? b : 0; + t = a; a = b; b = c; c = d; d = t; + } + + for (i=0; i<16; i++) + { + t = rotlFixed(a, 13); + r = rotlFixed(t * k[2*i+5], 10); + m = a + k[2*i+4]; + l = rotlMod((S(m) ^ rotrFixed(r, 5) ^ r), r); + c += rotlMod(m, rotrFixed(r, 5)); + (i<8 ? b : d) += l; + (i<8 ? d : b) ^= r; + a = b; b = c; c = d; d = t; + } + + for (i=0; i<8; i++) + { + a -= (i%4==2) ? d : 0; + a -= (i%4==3) ? b : 0; + b ^= S1(a); + c -= S0(a>>24); + t = rotlFixed(a, 24); + d = (d - S1(a>>16)) ^ S0(t); + a = b; b = c; c = d; d = t; + } + + a -= k[36]; b -= k[37]; c -= k[38]; d -= k[39]; + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d); +} + +void MARS::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + unsigned int i; + word32 a, b, c, d, l, m, r, t; + const word32 *k = m_k; + + Block::Get(inBlock)(d)(c)(b)(a); + + d += k[36]; c += k[37]; b += k[38]; a += k[39]; + + for (i=0; i<8; i++) + { + b = (b ^ S0(a)) + S1(a>>8); + c += S0(a>>16); + a = rotrFixed(a, 24); + d ^= S1(a); + a += (i%4==0) ? d : 0; + a += (i%4==1) ? b : 0; + t = a; a = b; b = c; c = d; d = t; + } + + for (i=0; i<16; i++) + { + t = rotrFixed(a, 13); + r = rotlFixed(a * k[35-2*i], 10); + m = t + k[34-2*i]; + l = rotlMod((S(m) ^ rotrFixed(r, 5) ^ r), r); + c -= rotlMod(m, rotrFixed(r, 5)); + (i<8 ? b : d) -= l; + (i<8 ? d : b) ^= r; + a = b; b = c; c = d; d = t; + } + + for (i=0; i<8; i++) + { + a -= (i%4==2) ? d : 0; + a -= (i%4==3) ? b : 0; + b ^= S1(a); + c -= S0(a>>24); + t = rotlFixed(a, 24); + d = (d - S1(a>>16)) ^ S0(t); + a = b; b = c; c = d; d = t; + } + + d -= k[0]; c -= k[1]; b -= k[2]; a -= k[3]; + + Block::Put(xorBlock, outBlock)(d)(c)(b)(a); +} + +NAMESPACE_END diff --git a/CryptoPP/mars.h b/CryptoPP/mars.h new file mode 100644 index 000000000..414adf42d --- /dev/null +++ b/CryptoPP/mars.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_MARS_H +#define CRYPTOPP_MARS_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 4> +{ + static const char *StaticAlgorithmName() {return "MARS";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#MARS">MARS</a> +class MARS : public MARS_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + static const word32 Sbox[512]; + + FixedSizeSecBlock<word32, 40> m_k; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef MARS::Encryption MARSEncryption; +typedef MARS::Decryption MARSDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/marss.cpp b/CryptoPP/marss.cpp new file mode 100644 index 000000000..7c38f146c --- /dev/null +++ b/CryptoPP/marss.cpp @@ -0,0 +1,139 @@ +// MARS S-Box + +#include "pch.h" +#include "mars.h" + +NAMESPACE_BEGIN(CryptoPP) + +const word32 MARS::Base::Sbox[512] = { + 0x09d0c479, 0x28c8ffe0, 0x84aa6c39, 0x9dad7287, + 0x7dff9be3, 0xd4268361, 0xc96da1d4, 0x7974cc93, + 0x85d0582e, 0x2a4b5705, 0x1ca16a62, 0xc3bd279d, + 0x0f1f25e5, 0x5160372f, 0xc695c1fb, 0x4d7ff1e4, + 0xae5f6bf4, 0x0d72ee46, 0xff23de8a, 0xb1cf8e83, + 0xf14902e2, 0x3e981e42, 0x8bf53eb6, 0x7f4bf8ac, + 0x83631f83, 0x25970205, 0x76afe784, 0x3a7931d4, + 0x4f846450, 0x5c64c3f6, 0x210a5f18, 0xc6986a26, + 0x28f4e826, 0x3a60a81c, 0xd340a664, 0x7ea820c4, + 0x526687c5, 0x7eddd12b, 0x32a11d1d, 0x9c9ef086, + 0x80f6e831, 0xab6f04ad, 0x56fb9b53, 0x8b2e095c, + 0xb68556ae, 0xd2250b0d, 0x294a7721, 0xe21fb253, + 0xae136749, 0xe82aae86, 0x93365104, 0x99404a66, + 0x78a784dc, 0xb69ba84b, 0x04046793, 0x23db5c1e, + 0x46cae1d6, 0x2fe28134, 0x5a223942, 0x1863cd5b, + 0xc190c6e3, 0x07dfb846, 0x6eb88816, 0x2d0dcc4a, + 0xa4ccae59, 0x3798670d, 0xcbfa9493, 0x4f481d45, + 0xeafc8ca8, 0xdb1129d6, 0xb0449e20, 0x0f5407fb, + 0x6167d9a8, 0xd1f45763, 0x4daa96c3, 0x3bec5958, + 0xababa014, 0xb6ccd201, 0x38d6279f, 0x02682215, + 0x8f376cd5, 0x092c237e, 0xbfc56593, 0x32889d2c, + 0x854b3e95, 0x05bb9b43, 0x7dcd5dcd, 0xa02e926c, + 0xfae527e5, 0x36a1c330, 0x3412e1ae, 0xf257f462, + 0x3c4f1d71, 0x30a2e809, 0x68e5f551, 0x9c61ba44, + 0x5ded0ab8, 0x75ce09c8, 0x9654f93e, 0x698c0cca, + 0x243cb3e4, 0x2b062b97, 0x0f3b8d9e, 0x00e050df, + 0xfc5d6166, 0xe35f9288, 0xc079550d, 0x0591aee8, + 0x8e531e74, 0x75fe3578, 0x2f6d829a, 0xf60b21ae, + 0x95e8eb8d, 0x6699486b, 0x901d7d9b, 0xfd6d6e31, + 0x1090acef, 0xe0670dd8, 0xdab2e692, 0xcd6d4365, + 0xe5393514, 0x3af345f0, 0x6241fc4d, 0x460da3a3, + 0x7bcf3729, 0x8bf1d1e0, 0x14aac070, 0x1587ed55, + 0x3afd7d3e, 0xd2f29e01, 0x29a9d1f6, 0xefb10c53, + 0xcf3b870f, 0xb414935c, 0x664465ed, 0x024acac7, + 0x59a744c1, 0x1d2936a7, 0xdc580aa6, 0xcf574ca8, + 0x040a7a10, 0x6cd81807, 0x8a98be4c, 0xaccea063, + 0xc33e92b5, 0xd1e0e03d, 0xb322517e, 0x2092bd13, + 0x386b2c4a, 0x52e8dd58, 0x58656dfb, 0x50820371, + 0x41811896, 0xe337ef7e, 0xd39fb119, 0xc97f0df6, + 0x68fea01b, 0xa150a6e5, 0x55258962, 0xeb6ff41b, + 0xd7c9cd7a, 0xa619cd9e, 0xbcf09576, 0x2672c073, + 0xf003fb3c, 0x4ab7a50b, 0x1484126a, 0x487ba9b1, + 0xa64fc9c6, 0xf6957d49, 0x38b06a75, 0xdd805fcd, + 0x63d094cf, 0xf51c999e, 0x1aa4d343, 0xb8495294, + 0xce9f8e99, 0xbffcd770, 0xc7c275cc, 0x378453a7, + 0x7b21be33, 0x397f41bd, 0x4e94d131, 0x92cc1f98, + 0x5915ea51, 0x99f861b7, 0xc9980a88, 0x1d74fd5f, + 0xb0a495f8, 0x614deed0, 0xb5778eea, 0x5941792d, + 0xfa90c1f8, 0x33f824b4, 0xc4965372, 0x3ff6d550, + 0x4ca5fec0, 0x8630e964, 0x5b3fbbd6, 0x7da26a48, + 0xb203231a, 0x04297514, 0x2d639306, 0x2eb13149, + 0x16a45272, 0x532459a0, 0x8e5f4872, 0xf966c7d9, + 0x07128dc0, 0x0d44db62, 0xafc8d52d, 0x06316131, + 0xd838e7ce, 0x1bc41d00, 0x3a2e8c0f, 0xea83837e, + 0xb984737d, 0x13ba4891, 0xc4f8b949, 0xa6d6acb3, + 0xa215cdce, 0x8359838b, 0x6bd1aa31, 0xf579dd52, + 0x21b93f93, 0xf5176781, 0x187dfdde, 0xe94aeb76, + 0x2b38fd54, 0x431de1da, 0xab394825, 0x9ad3048f, + 0xdfea32aa, 0x659473e3, 0x623f7863, 0xf3346c59, + 0xab3ab685, 0x3346a90b, 0x6b56443e, 0xc6de01f8, + 0x8d421fc0, 0x9b0ed10c, 0x88f1a1e9, 0x54c1f029, + 0x7dead57b, 0x8d7ba426, 0x4cf5178a, 0x551a7cca, + 0x1a9a5f08, 0xfcd651b9, 0x25605182, 0xe11fc6c3, + 0xb6fd9676, 0x337b3027, 0xb7c8eb14, 0x9e5fd030, + 0x6b57e354, 0xad913cf7, 0x7e16688d, 0x58872a69, + 0x2c2fc7df, 0xe389ccc6, 0x30738df1, 0x0824a734, + 0xe1797a8b, 0xa4a8d57b, 0x5b5d193b, 0xc8a8309b, + 0x73f9a978, 0x73398d32, 0x0f59573e, 0xe9df2b03, + 0xe8a5b6c8, 0x848d0704, 0x98df93c2, 0x720a1dc3, + 0x684f259a, 0x943ba848, 0xa6370152, 0x863b5ea3, + 0xd17b978b, 0x6d9b58ef, 0x0a700dd4, 0xa73d36bf, + 0x8e6a0829, 0x8695bc14, 0xe35b3447, 0x933ac568, + 0x8894b022, 0x2f511c27, 0xddfbcc3c, 0x006662b6, + 0x117c83fe, 0x4e12b414, 0xc2bca766, 0x3a2fec10, + 0xf4562420, 0x55792e2a, 0x46f5d857, 0xceda25ce, + 0xc3601d3b, 0x6c00ab46, 0xefac9c28, 0xb3c35047, + 0x611dfee3, 0x257c3207, 0xfdd58482, 0x3b14d84f, + 0x23becb64, 0xa075f3a3, 0x088f8ead, 0x07adf158, + 0x7796943c, 0xfacabf3d, 0xc09730cd, 0xf7679969, + 0xda44e9ed, 0x2c854c12, 0x35935fa3, 0x2f057d9f, + 0x690624f8, 0x1cb0bafd, 0x7b0dbdc6, 0x810f23bb, + 0xfa929a1a, 0x6d969a17, 0x6742979b, 0x74ac7d05, + 0x010e65c4, 0x86a3d963, 0xf907b5a0, 0xd0042bd3, + 0x158d7d03, 0x287a8255, 0xbba8366f, 0x096edc33, + 0x21916a7b, 0x77b56b86, 0x951622f9, 0xa6c5e650, + 0x8cea17d1, 0xcd8c62bc, 0xa3d63433, 0x358a68fd, + 0x0f9b9d3c, 0xd6aa295b, 0xfe33384a, 0xc000738e, + 0xcd67eb2f, 0xe2eb6dc2, 0x97338b02, 0x06c9f246, + 0x419cf1ad, 0x2b83c045, 0x3723f18a, 0xcb5b3089, + 0x160bead7, 0x5d494656, 0x35f8a74b, 0x1e4e6c9e, + 0x000399bd, 0x67466880, 0xb4174831, 0xacf423b2, + 0xca815ab3, 0x5a6395e7, 0x302a67c5, 0x8bdb446b, + 0x108f8fa4, 0x10223eda, 0x92b8b48b, 0x7f38d0ee, + 0xab2701d4, 0x0262d415, 0xaf224a30, 0xb3d88aba, + 0xf8b2c3af, 0xdaf7ef70, 0xcc97d3b7, 0xe9614b6c, + 0x2baebff4, 0x70f687cf, 0x386c9156, 0xce092ee5, + 0x01e87da6, 0x6ce91e6a, 0xbb7bcc84, 0xc7922c20, + 0x9d3b71fd, 0x060e41c6, 0xd7590f15, 0x4e03bb47, + 0x183c198e, 0x63eeb240, 0x2ddbf49a, 0x6d5cba54, + 0x923750af, 0xf9e14236, 0x7838162b, 0x59726c72, + 0x81b66760, 0xbb2926c1, 0x48a0ce0d, 0xa6c0496d, + 0xad43507b, 0x718d496a, 0x9df057af, 0x44b1bde6, + 0x054356dc, 0xde7ced35, 0xd51a138b, 0x62088cc9, + 0x35830311, 0xc96efca2, 0x686f86ec, 0x8e77cb68, + 0x63e1d6b8, 0xc80f9778, 0x79c491fd, 0x1b4c67f2, + 0x72698d7d, 0x5e368c31, 0xf7d95e2e, 0xa1d3493f, + 0xdcd9433e, 0x896f1552, 0x4bc4ca7a, 0xa6d1baf4, + 0xa5a96dcc, 0x0bef8b46, 0xa169fda7, 0x74df40b7, + 0x4e208804, 0x9a756607, 0x038e87c8, 0x20211e44, + 0x8b7ad4bf, 0xc6403f35, 0x1848e36d, 0x80bdb038, + 0x1e62891c, 0x643d2107, 0xbf04d6f8, 0x21092c8c, + 0xf644f389, 0x0778404e, 0x7b78adb8, 0xa2c52d53, + 0x42157abe, 0xa2253e2e, 0x7bf3f4ae, 0x80f594f9, + 0x953194e7, 0x77eb92ed, 0xb3816930, 0xda8d9336, + 0xbf447469, 0xf26d9483, 0xee6faed5, 0x71371235, + 0xde425f73, 0xb4e59f43, 0x7dbe2d4e, 0x2d37b185, + 0x49dc9a63, 0x98c39d98, 0x1301c9a2, 0x389b1bbf, + 0x0c18588d, 0xa421c1ba, 0x7aa3865c, 0x71e08558, + 0x3c5cfcaa, 0x7d239ca4, 0x0297d9dd, 0xd7dc2830, + 0x4b37802b, 0x7428ab54, 0xaeee0347, 0x4b3fbb85, + 0x692f2f08, 0x134e578e, 0x36d9e0bf, 0xae8b5fcf, + 0xedb93ecf, 0x2b27248e, 0x170eb1ef, 0x7dc57fd6, + 0x1e760f16, 0xb1136601, 0x864e1b9b, 0xd7ea7319, + 0x3ab871bd, 0xcfa4d76f, 0xe31bd782, 0x0dbeb469, + 0xabb96061, 0x5370f85d, 0xffb07e37, 0xda30d0fb, + 0xebc977b6, 0x0b98b40f, 0x3a4d0fe6, 0xdf4fc26b, + 0x159cf22a, 0xc298d6e2, 0x2b78ef6a, 0x61a94ac0, + 0xab561187, 0x14eea0f0, 0xdf0d4164, 0x19af70ee +}; + +NAMESPACE_END diff --git a/CryptoPP/md2.cpp b/CryptoPP/md2.cpp new file mode 100644 index 000000000..41f714b59 --- /dev/null +++ b/CryptoPP/md2.cpp @@ -0,0 +1,120 @@ +// md2.cpp - modified by Wei Dai from Andrew M. Kuchling's md2.c +// The original code and all modifications are in the public domain. + +// This is the original introductory comment: + +/* + * md2.c : MD2 hash algorithm. + * + * Part of the Python Cryptography Toolkit, version 1.1 + * + * Distribute and use freely; there are no restrictions on further + * dissemination and usage except those imposed by the laws of your + * country of residence. + * + */ + +#include "pch.h" +#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 +#include "md2.h" + +NAMESPACE_BEGIN(CryptoPP) +namespace Weak1 { + +MD2::MD2() + : m_X(48), m_C(16), m_buf(16) +{ + Init(); +} + +void MD2::Init() +{ + memset(m_X, 0, 48); + memset(m_C, 0, 16); + memset(m_buf, 0, 16); + m_count = 0; +} + +void MD2::Update(const byte *buf, size_t len) +{ + static const byte S[256] = { + 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6, + 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188, + 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24, + 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251, + 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63, + 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50, + 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165, + 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210, + 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157, + 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27, + 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15, + 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197, + 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65, + 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123, + 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233, + 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228, + 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237, + 31, 26, 219, 153, 141, 51, 159, 17, 131, 20 + }; + + while (len) + { + unsigned int L = UnsignedMin(16U-m_count, len); + memcpy(m_buf+m_count, buf, L); + m_count+=L; + buf+=L; + len-=L; + if (m_count==16) + { + byte t; + int i,j; + + m_count=0; + memcpy(m_X+16, m_buf, 16); + t=m_C[15]; + for(i=0; i<16; i++) + { + m_X[32+i]=m_X[16+i]^m_X[i]; + t=m_C[i]^=S[m_buf[i]^t]; + } + + t=0; + for(i=0; i<18; i++) + { + for(j=0; j<48; j+=8) + { + t=m_X[j+0]^=S[t]; + t=m_X[j+1]^=S[t]; + t=m_X[j+2]^=S[t]; + t=m_X[j+3]^=S[t]; + t=m_X[j+4]^=S[t]; + t=m_X[j+5]^=S[t]; + t=m_X[j+6]^=S[t]; + t=m_X[j+7]^=S[t]; + } + t=(t+i) & 0xFF; + } + } + } +} + +void MD2::TruncatedFinal(byte *hash, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + byte padding[16]; + word32 padlen; + unsigned int i; + + padlen= 16-m_count; + for(i=0; i<padlen; i++) padding[i]=(byte)padlen; + Update(padding, padlen); + Update(m_C, 16); + memcpy(hash, m_X, size); + + Init(); +} + +} +NAMESPACE_END diff --git a/CryptoPP/md2.h b/CryptoPP/md2.h new file mode 100644 index 000000000..b0837c882 --- /dev/null +++ b/CryptoPP/md2.h @@ -0,0 +1,46 @@ +#ifndef CRYPTOPP_MD2_H +#define CRYPTOPP_MD2_H + +#include "cryptlib.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +namespace Weak1 { + +/// <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a> +class MD2 : public HashTransformation +{ +public: + MD2(); + void Update(const byte *input, size_t length); + void TruncatedFinal(byte *hash, size_t size); + unsigned int DigestSize() const {return DIGESTSIZE;} + unsigned int BlockSize() const {return BLOCKSIZE;} + static const char * StaticAlgorithmName() {return "MD2";} + + CRYPTOPP_CONSTANT(DIGESTSIZE = 16) + CRYPTOPP_CONSTANT(BLOCKSIZE = 16) + +private: + void Transform(); + void Init(); + SecByteBlock m_X, m_C, m_buf; + unsigned int m_count; +}; + +} +#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 +namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak +#else +using namespace Weak1; // import Weak1 into CryptoPP with warning +#ifdef __GNUC__ +#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning." +#else +#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.") +#endif +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/md4.cpp b/CryptoPP/md4.cpp new file mode 100644 index 000000000..9ed639cb9 --- /dev/null +++ b/CryptoPP/md4.cpp @@ -0,0 +1,110 @@ +// md4.cpp - modified by Wei Dai from Andrew M. Kuchling's md4.c +// The original code and all modifications are in the public domain. + +// This is the original introductory comment: + +/* + * md4.c : MD4 hash algorithm. + * + * Part of the Python Cryptography Toolkit, version 1.1 + * + * Distribute and use freely; there are no restrictions on further + * dissemination and usage except those imposed by the laws of your + * country of residence. + * + */ + +#include "pch.h" +#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 +#include "md4.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) +namespace Weak1 { + +void MD4::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; +} + +void MD4::Transform (word32 *digest, const word32 *in) +{ +// #define F(x, y, z) (((x) & (y)) | ((~x) & (z))) +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) + + word32 A, B, C, D; + + A=digest[0]; + B=digest[1]; + C=digest[2]; + D=digest[3]; + +#define function(a,b,c,d,k,s) a=rotlFixed(a+F(b,c,d)+in[k],s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 1, 7); + function(C,D,A,B, 2,11); + function(B,C,D,A, 3,19); + function(A,B,C,D, 4, 3); + function(D,A,B,C, 5, 7); + function(C,D,A,B, 6,11); + function(B,C,D,A, 7,19); + function(A,B,C,D, 8, 3); + function(D,A,B,C, 9, 7); + function(C,D,A,B,10,11); + function(B,C,D,A,11,19); + function(A,B,C,D,12, 3); + function(D,A,B,C,13, 7); + function(C,D,A,B,14,11); + function(B,C,D,A,15,19); + +#undef function +#define function(a,b,c,d,k,s) a=rotlFixed(a+G(b,c,d)+in[k]+0x5a827999,s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 4, 5); + function(C,D,A,B, 8, 9); + function(B,C,D,A,12,13); + function(A,B,C,D, 1, 3); + function(D,A,B,C, 5, 5); + function(C,D,A,B, 9, 9); + function(B,C,D,A,13,13); + function(A,B,C,D, 2, 3); + function(D,A,B,C, 6, 5); + function(C,D,A,B,10, 9); + function(B,C,D,A,14,13); + function(A,B,C,D, 3, 3); + function(D,A,B,C, 7, 5); + function(C,D,A,B,11, 9); + function(B,C,D,A,15,13); + +#undef function +#define function(a,b,c,d,k,s) a=rotlFixed(a+H(b,c,d)+in[k]+0x6ed9eba1,s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 8, 9); + function(C,D,A,B, 4,11); + function(B,C,D,A,12,15); + function(A,B,C,D, 2, 3); + function(D,A,B,C,10, 9); + function(C,D,A,B, 6,11); + function(B,C,D,A,14,15); + function(A,B,C,D, 1, 3); + function(D,A,B,C, 9, 9); + function(C,D,A,B, 5,11); + function(B,C,D,A,13,15); + function(A,B,C,D, 3, 3); + function(D,A,B,C,11, 9); + function(C,D,A,B, 7,11); + function(B,C,D,A,15,15); + + digest[0]+=A; + digest[1]+=B; + digest[2]+=C; + digest[3]+=D; +} + +} +NAMESPACE_END diff --git a/CryptoPP/md4.h b/CryptoPP/md4.h new file mode 100644 index 000000000..53387003c --- /dev/null +++ b/CryptoPP/md4.h @@ -0,0 +1,35 @@ +#ifndef CRYPTOPP_MD4_H +#define CRYPTOPP_MD4_H + +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +namespace Weak1 { + +//! <a href="http://www.weidai.com/scan-mirror/md.html#MD4">MD4</a> +/*! \warning MD4 is considered insecure, and should not be used + unless you absolutely need it for compatibility. */ +class MD4 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD4> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char *StaticAlgorithmName() {return "MD4";} +}; + +} +#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 +namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak +#else +using namespace Weak1; // import Weak1 into CryptoPP with warning +#ifdef __GNUC__ +#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning." +#else +#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.") +#endif +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/md5.cpp b/CryptoPP/md5.cpp new file mode 100644 index 000000000..a52297816 --- /dev/null +++ b/CryptoPP/md5.cpp @@ -0,0 +1,118 @@ +// md5.cpp - modified by Wei Dai from Colin Plumb's public domain md5.c +// any modifications are placed in the public domain + +#include "pch.h" +#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 +#include "md5.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) +namespace Weak1 { + +void MD5_TestInstantiations() +{ + MD5 x; +} + +void MD5::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; +} + +void MD5::Transform (word32 *digest, const word32 *in) +{ +// #define F1(x, y, z) (x & y | ~x & z) +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +#define MD5STEP(f, w, x, y, z, data, s) \ + w = rotlFixed(w + f(x, y, z) + data, s) + x + + word32 a, b, c, d; + + a=digest[0]; + b=digest[1]; + c=digest[2]; + d=digest[3]; + + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); + MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); + + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); + + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); + + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); + + digest[0]+=a; + digest[1]+=b; + digest[2]+=c; + digest[3]+=d; +} + +} +NAMESPACE_END diff --git a/CryptoPP/md5.h b/CryptoPP/md5.h new file mode 100644 index 000000000..73ec5326c --- /dev/null +++ b/CryptoPP/md5.h @@ -0,0 +1,33 @@ +#ifndef CRYPTOPP_MD5_H +#define CRYPTOPP_MD5_H + +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +namespace Weak1 { + +//! <a href="http://www.cryptolounge.org/wiki/MD5">MD5</a> +class MD5 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD5> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char * StaticAlgorithmName() {return "MD5";} +}; + +} +#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 +namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak +#else +using namespace Weak1; // import Weak1 into CryptoPP with warning +#ifdef __GNUC__ +#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning." +#else +#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.") +#endif +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/mdc.h b/CryptoPP/mdc.h new file mode 100644 index 000000000..cc90cdc45 --- /dev/null +++ b/CryptoPP/mdc.h @@ -0,0 +1,72 @@ + // mdc.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_MDC_H +#define CRYPTOPP_MDC_H + +/** \file +*/ + +#include "seckey.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class T> +struct MDC_Info : public FixedBlockSize<T::DIGESTSIZE>, public FixedKeyLength<T::BLOCKSIZE> +{ + static std::string StaticAlgorithmName() {return std::string("MDC/")+T::StaticAlgorithmName();} +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#MDC">MDC</a> +/*! a construction by Peter Gutmann to turn an iterated hash function into a PRF */ +template <class T> +class MDC : public MDC_Info<T> +{ + class CRYPTOPP_NO_VTABLE Enc : public BlockCipherImpl<MDC_Info<T> > + { + typedef typename T::HashWordType HashWordType; + + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms) + { + this->AssertValidKeyLength(length); + memcpy_s(m_key, m_key.size(), userKey, this->KEYLENGTH); + T::CorrectEndianess(Key(), Key(), this->KEYLENGTH); + } + + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const + { + T::CorrectEndianess(Buffer(), (HashWordType *)inBlock, this->BLOCKSIZE); + T::Transform(Buffer(), Key()); + if (xorBlock) + { + T::CorrectEndianess(Buffer(), Buffer(), this->BLOCKSIZE); + xorbuf(outBlock, xorBlock, m_buffer, this->BLOCKSIZE); + } + else + T::CorrectEndianess((HashWordType *)outBlock, Buffer(), this->BLOCKSIZE); + } + + bool IsPermutation() const {return false;} + + unsigned int OptimalDataAlignment() const {return sizeof(HashWordType);} + + private: + HashWordType *Key() {return (HashWordType *)m_key.data();} + const HashWordType *Key() const {return (const HashWordType *)m_key.data();} + HashWordType *Buffer() const {return (HashWordType *)m_buffer.data();} + + // VC60 workaround: bug triggered if using FixedSizeAllocatorWithCleanup + FixedSizeSecBlock<byte, MDC_Info<T>::KEYLENGTH, AllocatorWithCleanup<byte> > m_key; + mutable FixedSizeSecBlock<byte, MDC_Info<T>::BLOCKSIZE, AllocatorWithCleanup<byte> > m_buffer; + }; + +public: + //! use BlockCipher interface + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/misc.cpp b/CryptoPP/misc.cpp new file mode 100644 index 000000000..3c2c2a5f0 --- /dev/null +++ b/CryptoPP/misc.cpp @@ -0,0 +1,187 @@ +// misc.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "misc.h" +#include "words.h" +#include <new> + +#if defined(CRYPTOPP_MEMALIGN_AVAILABLE) || defined(CRYPTOPP_MM_MALLOC_AVAILABLE) || defined(QNX) +#include <malloc.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +void xorbuf(byte *buf, const byte *mask, size_t count) +{ + size_t i; + + if (IsAligned<word32>(buf) && IsAligned<word32>(mask)) + { + if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(buf) && IsAligned<word64>(mask)) + { + for (i=0; i<count/8; i++) + ((word64*)buf)[i] ^= ((word64*)mask)[i]; + count -= 8*i; + if (!count) + return; + buf += 8*i; + mask += 8*i; + } + + for (i=0; i<count/4; i++) + ((word32*)buf)[i] ^= ((word32*)mask)[i]; + count -= 4*i; + if (!count) + return; + buf += 4*i; + mask += 4*i; + } + + for (i=0; i<count; i++) + buf[i] ^= mask[i]; +} + +void xorbuf(byte *output, const byte *input, const byte *mask, size_t count) +{ + size_t i; + + if (IsAligned<word32>(output) && IsAligned<word32>(input) && IsAligned<word32>(mask)) + { + if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(output) && IsAligned<word64>(input) && IsAligned<word64>(mask)) + { + for (i=0; i<count/8; i++) + ((word64*)output)[i] = ((word64*)input)[i] ^ ((word64*)mask)[i]; + count -= 8*i; + if (!count) + return; + output += 8*i; + input += 8*i; + mask += 8*i; + } + + for (i=0; i<count/4; i++) + ((word32*)output)[i] = ((word32*)input)[i] ^ ((word32*)mask)[i]; + count -= 4*i; + if (!count) + return; + output += 4*i; + input += 4*i; + mask += 4*i; + } + + for (i=0; i<count; i++) + output[i] = input[i] ^ mask[i]; +} + +bool VerifyBufsEqual(const byte *buf, const byte *mask, size_t count) +{ + size_t i; + byte acc8 = 0; + + if (IsAligned<word32>(buf) && IsAligned<word32>(mask)) + { + word32 acc32 = 0; + if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(buf) && IsAligned<word64>(mask)) + { + word64 acc64 = 0; + for (i=0; i<count/8; i++) + acc64 |= ((word64*)buf)[i] ^ ((word64*)mask)[i]; + count -= 8*i; + if (!count) + return acc64 == 0; + buf += 8*i; + mask += 8*i; + acc32 = word32(acc64) | word32(acc64>>32); + } + + for (i=0; i<count/4; i++) + acc32 |= ((word32*)buf)[i] ^ ((word32*)mask)[i]; + count -= 4*i; + if (!count) + return acc32 == 0; + buf += 4*i; + mask += 4*i; + acc8 = byte(acc32) | byte(acc32>>8) | byte(acc32>>16) | byte(acc32>>24); + } + + for (i=0; i<count; i++) + acc8 |= buf[i] ^ mask[i]; + return acc8 == 0; +} + +#if !(defined(_MSC_VER) && (_MSC_VER < 1300)) +using std::new_handler; +using std::set_new_handler; +#endif + +void CallNewHandler() +{ + new_handler newHandler = set_new_handler(NULL); + if (newHandler) + set_new_handler(newHandler); + + if (newHandler) + newHandler(); + else + throw std::bad_alloc(); +} + +#if CRYPTOPP_BOOL_ALIGN16_ENABLED + +void * AlignedAllocate(size_t size) +{ + byte *p; +#ifdef CRYPTOPP_MM_MALLOC_AVAILABLE + while (!(p = (byte *)_mm_malloc(size, 16))) +#elif defined(CRYPTOPP_MEMALIGN_AVAILABLE) + while (!(p = (byte *)memalign(16, size))) +#elif defined(CRYPTOPP_MALLOC_ALIGNMENT_IS_16) + while (!(p = (byte *)malloc(size))) +#else + while (!(p = (byte *)malloc(size + 16))) +#endif + CallNewHandler(); + +#ifdef CRYPTOPP_NO_ALIGNED_ALLOC + size_t adjustment = 16-((size_t)p%16); + p += adjustment; + p[-1] = (byte)adjustment; +#endif + + assert(IsAlignedOn(p, 16)); + return p; +} + +void AlignedDeallocate(void *p) +{ +#ifdef CRYPTOPP_MM_MALLOC_AVAILABLE + _mm_free(p); +#elif defined(CRYPTOPP_NO_ALIGNED_ALLOC) + p = (byte *)p - ((byte *)p)[-1]; + free(p); +#else + free(p); +#endif +} + +#endif + +void * UnalignedAllocate(size_t size) +{ + void *p; + while (!(p = malloc(size))) + CallNewHandler(); + return p; +} + +void UnalignedDeallocate(void *p) +{ + free(p); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/misc.h b/CryptoPP/misc.h new file mode 100644 index 000000000..8425c5362 --- /dev/null +++ b/CryptoPP/misc.h @@ -0,0 +1,1282 @@ +#ifndef CRYPTOPP_MISC_H +#define CRYPTOPP_MISC_H + +#include "cryptlib.h" +#include "smartptr.h" +#include <string.h> // for memcpy and memmove + +#ifdef _MSC_VER + #if _MSC_VER >= 1400 + // VC2005 workaround: disable declarations that conflict with winnt.h + #define _interlockedbittestandset CRYPTOPP_DISABLED_INTRINSIC_1 + #define _interlockedbittestandreset CRYPTOPP_DISABLED_INTRINSIC_2 + #define _interlockedbittestandset64 CRYPTOPP_DISABLED_INTRINSIC_3 + #define _interlockedbittestandreset64 CRYPTOPP_DISABLED_INTRINSIC_4 + #include <intrin.h> + #undef _interlockedbittestandset + #undef _interlockedbittestandreset + #undef _interlockedbittestandset64 + #undef _interlockedbittestandreset64 + #define CRYPTOPP_FAST_ROTATE(x) 1 + #elif _MSC_VER >= 1300 + #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32 | (x) == 64) + #else + #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32) + #endif +#elif (defined(__MWERKS__) && TARGET_CPU_PPC) || \ + (defined(__GNUC__) && (defined(_ARCH_PWR2) || defined(_ARCH_PWR) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || defined(_ARCH_COM))) + #define CRYPTOPP_FAST_ROTATE(x) ((x) == 32) +#elif defined(__GNUC__) && (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86) // depend on GCC's peephole optimization to generate rotate instructions + #define CRYPTOPP_FAST_ROTATE(x) 1 +#else + #define CRYPTOPP_FAST_ROTATE(x) 0 +#endif + +#ifdef __BORLANDC__ +#include <mem.h> +#endif + +#if defined(__GNUC__) && defined(__linux__) +#define CRYPTOPP_BYTESWAP_AVAILABLE +#include <byteswap.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +// ************** compile-time assertion *************** + +template <bool b> +struct CompileAssert +{ + static char dummy[2*b-1]; +}; + +#define CRYPTOPP_COMPILE_ASSERT(assertion) CRYPTOPP_COMPILE_ASSERT_INSTANCE(assertion, __LINE__) +#if defined(CRYPTOPP_EXPORTS) || defined(CRYPTOPP_IMPORTS) +#define CRYPTOPP_COMPILE_ASSERT_INSTANCE(assertion, instance) +#else +#define CRYPTOPP_COMPILE_ASSERT_INSTANCE(assertion, instance) static CompileAssert<(assertion)> CRYPTOPP_ASSERT_JOIN(cryptopp_assert_, instance) +#endif +#define CRYPTOPP_ASSERT_JOIN(X, Y) CRYPTOPP_DO_ASSERT_JOIN(X, Y) +#define CRYPTOPP_DO_ASSERT_JOIN(X, Y) X##Y + +// ************** misc classes *************** + +class CRYPTOPP_DLL Empty +{ +}; + +//! _ +template <class BASE1, class BASE2> +class CRYPTOPP_NO_VTABLE TwoBases : public BASE1, public BASE2 +{ +}; + +//! _ +template <class BASE1, class BASE2, class BASE3> +class CRYPTOPP_NO_VTABLE ThreeBases : public BASE1, public BASE2, public BASE3 +{ +}; + +template <class T> +class ObjectHolder +{ +protected: + T m_object; +}; + +class NotCopyable +{ +public: + NotCopyable() {} +private: + NotCopyable(const NotCopyable &); + void operator=(const NotCopyable &); +}; + +template <class T> +struct NewObject +{ + T* operator()() const {return new T;} +}; + +/*! This function safely initializes a static object in a multithreaded environment without using locks (for portability). + Note that if two threads call Ref() at the same time, they may get back different references, and one object + may end up being memory leaked. This is by design. +*/ +template <class T, class F = NewObject<T>, int instance=0> +class Singleton +{ +public: + Singleton(F objectFactory = F()) : m_objectFactory(objectFactory) {} + + // prevent this function from being inlined + CRYPTOPP_NOINLINE const T & Ref(CRYPTOPP_NOINLINE_DOTDOTDOT) const; + +private: + F m_objectFactory; +}; + +template <class T, class F, int instance> +const T & Singleton<T, F, instance>::Ref(CRYPTOPP_NOINLINE_DOTDOTDOT) const +{ + static volatile simple_ptr<T> s_pObject; + T *p = s_pObject.m_p; + + if (p) + return *p; + + T *newObject = m_objectFactory(); + p = s_pObject.m_p; + + if (p) + { + delete newObject; + return *p; + } + + s_pObject.m_p = newObject; + return *newObject; +} + +// ************** misc functions *************** + +#if (!__STDC_WANT_SECURE_LIB__) +inline void memcpy_s(void *dest, size_t sizeInBytes, const void *src, size_t count) +{ + if (count > sizeInBytes) + throw InvalidArgument("memcpy_s: buffer overflow"); + memcpy(dest, src, count); +} + +inline void memmove_s(void *dest, size_t sizeInBytes, const void *src, size_t count) +{ + if (count > sizeInBytes) + throw InvalidArgument("memmove_s: buffer overflow"); + memmove(dest, src, count); +} + +#if __BORLANDC__ >= 0x620 +// C++Builder 2010 workaround: can't use std::memcpy_s because it doesn't allow 0 lengths +#define memcpy_s CryptoPP::memcpy_s +#define memmove_s CryptoPP::memmove_s +#endif +#endif + +inline void * memset_z(void *ptr, int value, size_t num) +{ +// avoid extranous warning on GCC 4.3.2 Ubuntu 8.10 +#if CRYPTOPP_GCC_VERSION >= 30001 + if (__builtin_constant_p(num) && num==0) + return ptr; +#endif + return memset(ptr, value, num); +} + +// can't use std::min or std::max in MSVC60 or Cygwin 1.1.0 +template <class T> inline const T& STDMIN(const T& a, const T& b) +{ + return b < a ? b : a; +} + +template <class T1, class T2> inline const T1 UnsignedMin(const T1& a, const T2& b) +{ + CRYPTOPP_COMPILE_ASSERT((sizeof(T1)<=sizeof(T2) && T2(-1)>0) || (sizeof(T1)>sizeof(T2) && T1(-1)>0)); + assert(a==0 || a>0); // GCC workaround: get rid of the warning "comparison is always true due to limited range of data type" + assert(b>=0); + + if (sizeof(T1)<=sizeof(T2)) + return b < (T2)a ? (T1)b : a; + else + return (T1)b < a ? (T1)b : a; +} + +template <class T> inline const T& STDMAX(const T& a, const T& b) +{ + return a < b ? b : a; +} + +#define RETURN_IF_NONZERO(x) size_t returnedValue = x; if (returnedValue) return returnedValue + +// this version of the macro is fastest on Pentium 3 and Pentium 4 with MSVC 6 SP5 w/ Processor Pack +#define GETBYTE(x, y) (unsigned int)byte((x)>>(8*(y))) +// these may be faster on other CPUs/compilers +// #define GETBYTE(x, y) (unsigned int)(((x)>>(8*(y)))&255) +// #define GETBYTE(x, y) (((byte *)&(x))[y]) + +#define CRYPTOPP_GET_BYTE_AS_BYTE(x, y) byte((x)>>(8*(y))) + +template <class T> +unsigned int Parity(T value) +{ + for (unsigned int i=8*sizeof(value)/2; i>0; i/=2) + value ^= value >> i; + return (unsigned int)value&1; +} + +template <class T> +unsigned int BytePrecision(const T &value) +{ + if (!value) + return 0; + + unsigned int l=0, h=8*sizeof(value); + + while (h-l > 8) + { + unsigned int t = (l+h)/2; + if (value >> t) + l = t; + else + h = t; + } + + return h/8; +} + +template <class T> +unsigned int BitPrecision(const T &value) +{ + if (!value) + return 0; + + unsigned int l=0, h=8*sizeof(value); + + while (h-l > 1) + { + unsigned int t = (l+h)/2; + if (value >> t) + l = t; + else + h = t; + } + + return h; +} + +inline unsigned int TrailingZeros(word32 v) +{ +#if defined(__GNUC__) && CRYPTOPP_GCC_VERSION >= 30400 + return __builtin_ctz(v); +#elif defined(_MSC_VER) && _MSC_VER >= 1400 + unsigned long result; + _BitScanForward(&result, v); + return result; +#else + // from http://graphics.stanford.edu/~seander/bithacks.html#ZerosOnRightMultLookup + static const int MultiplyDeBruijnBitPosition[32] = + { + 0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8, + 31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9 + }; + return MultiplyDeBruijnBitPosition[((word32)((v & -v) * 0x077CB531U)) >> 27]; +#endif +} + +inline unsigned int TrailingZeros(word64 v) +{ +#if defined(__GNUC__) && CRYPTOPP_GCC_VERSION >= 30400 + return __builtin_ctzll(v); +#elif defined(_MSC_VER) && _MSC_VER >= 1400 && (defined(_M_X64) || defined(_M_IA64)) + unsigned long result; + _BitScanForward64(&result, v); + return result; +#else + return word32(v) ? TrailingZeros(word32(v)) : 32 + TrailingZeros(word32(v>>32)); +#endif +} + +template <class T> +inline T Crop(T value, size_t size) +{ + if (size < 8*sizeof(value)) + return T(value & ((T(1) << size) - 1)); + else + return value; +} + +template <class T1, class T2> +inline bool SafeConvert(T1 from, T2 &to) +{ + to = (T2)from; + if (from != to || (from > 0) != (to > 0)) + return false; + return true; +} + +inline size_t BitsToBytes(size_t bitCount) +{ + return ((bitCount+7)/(8)); +} + +inline size_t BytesToWords(size_t byteCount) +{ + return ((byteCount+WORD_SIZE-1)/WORD_SIZE); +} + +inline size_t BitsToWords(size_t bitCount) +{ + return ((bitCount+WORD_BITS-1)/(WORD_BITS)); +} + +inline size_t BitsToDwords(size_t bitCount) +{ + return ((bitCount+2*WORD_BITS-1)/(2*WORD_BITS)); +} + +CRYPTOPP_DLL void CRYPTOPP_API xorbuf(byte *buf, const byte *mask, size_t count); +CRYPTOPP_DLL void CRYPTOPP_API xorbuf(byte *output, const byte *input, const byte *mask, size_t count); + +CRYPTOPP_DLL bool CRYPTOPP_API VerifyBufsEqual(const byte *buf1, const byte *buf2, size_t count); + +template <class T> +inline bool IsPowerOf2(const T &n) +{ + return n > 0 && (n & (n-1)) == 0; +} + +template <class T1, class T2> +inline T2 ModPowerOf2(const T1 &a, const T2 &b) +{ + assert(IsPowerOf2(b)); + return T2(a) & (b-1); +} + +template <class T1, class T2> +inline T1 RoundDownToMultipleOf(const T1 &n, const T2 &m) +{ + if (IsPowerOf2(m)) + return n - ModPowerOf2(n, m); + else + return n - n%m; +} + +template <class T1, class T2> +inline T1 RoundUpToMultipleOf(const T1 &n, const T2 &m) +{ + if (n+m-1 < n) + throw InvalidArgument("RoundUpToMultipleOf: integer overflow"); + return RoundDownToMultipleOf(n+m-1, m); +} + +template <class T> +inline unsigned int GetAlignmentOf(T *dummy=NULL) // VC60 workaround +{ +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + if (sizeof(T) < 16) + return 1; +#endif + +#if (_MSC_VER >= 1300) + return __alignof(T); +#elif defined(__GNUC__) + return __alignof__(T); +#elif CRYPTOPP_BOOL_SLOW_WORD64 + return UnsignedMin(4U, sizeof(T)); +#else + return sizeof(T); +#endif +} + +inline bool IsAlignedOn(const void *p, unsigned int alignment) +{ + return alignment==1 || (IsPowerOf2(alignment) ? ModPowerOf2((size_t)p, alignment) == 0 : (size_t)p % alignment == 0); +} + +template <class T> +inline bool IsAligned(const void *p, T *dummy=NULL) // VC60 workaround +{ + return IsAlignedOn(p, GetAlignmentOf<T>()); +} + +#ifdef IS_LITTLE_ENDIAN + typedef LittleEndian NativeByteOrder; +#else + typedef BigEndian NativeByteOrder; +#endif + +inline ByteOrder GetNativeByteOrder() +{ + return NativeByteOrder::ToEnum(); +} + +inline bool NativeByteOrderIs(ByteOrder order) +{ + return order == GetNativeByteOrder(); +} + +template <class T> +std::string IntToString(T a, unsigned int base = 10) +{ + if (a == 0) + return "0"; + bool negate = false; + if (a < 0) + { + negate = true; + a = 0-a; // VC .NET does not like -a + } + std::string result; + while (a > 0) + { + T digit = a % base; + result = char((digit < 10 ? '0' : ('a' - 10)) + digit) + result; + a /= base; + } + if (negate) + result = "-" + result; + return result; +} + +template <class T1, class T2> +inline T1 SaturatingSubtract(const T1 &a, const T2 &b) +{ + return T1((a > b) ? (a - b) : 0); +} + +template <class T> +inline CipherDir GetCipherDir(const T &obj) +{ + return obj.IsForwardTransformation() ? ENCRYPTION : DECRYPTION; +} + +CRYPTOPP_DLL void CRYPTOPP_API CallNewHandler(); + +inline void IncrementCounterByOne(byte *inout, unsigned int s) +{ + for (int i=s-1, carry=1; i>=0 && carry; i--) + carry = !++inout[i]; +} + +inline void IncrementCounterByOne(byte *output, const byte *input, unsigned int s) +{ + int i, carry; + for (i=s-1, carry=1; i>=0 && carry; i--) + carry = ((output[i] = input[i]+1) == 0); + memcpy_s(output, s, input, i+1); +} + +template <class T> +inline void ConditionalSwap(bool c, T &a, T &b) +{ + T t = c * (a ^ b); + a ^= t; + b ^= t; +} + +template <class T> +inline void ConditionalSwapPointers(bool c, T &a, T &b) +{ + ptrdiff_t t = c * (a - b); + a -= t; + b += t; +} + +// see http://www.dwheeler.com/secure-programs/Secure-Programs-HOWTO/protect-secrets.html +// and https://www.securecoding.cert.org/confluence/display/cplusplus/MSC06-CPP.+Be+aware+of+compiler+optimization+when+dealing+with+sensitive+data +template <class T> +void SecureWipeBuffer(T *buf, size_t n) +{ + // GCC 4.3.2 on Cygwin optimizes away the first store if this loop is done in the forward direction + volatile T *p = buf+n; + while (n--) + *(--p) = 0; +} + +#if (_MSC_VER >= 1400 || defined(__GNUC__)) && (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86) + +template<> inline void SecureWipeBuffer(byte *buf, size_t n) +{ + volatile byte *p = buf; +#ifdef __GNUC__ + asm volatile("rep stosb" : "+c"(n), "+D"(p) : "a"(0) : "memory"); +#else + __stosb((byte *)(size_t)p, 0, n); +#endif +} + +template<> inline void SecureWipeBuffer(word16 *buf, size_t n) +{ + volatile word16 *p = buf; +#ifdef __GNUC__ + asm volatile("rep stosw" : "+c"(n), "+D"(p) : "a"(0) : "memory"); +#else + __stosw((word16 *)(size_t)p, 0, n); +#endif +} + +template<> inline void SecureWipeBuffer(word32 *buf, size_t n) +{ + volatile word32 *p = buf; +#ifdef __GNUC__ + asm volatile("rep stosl" : "+c"(n), "+D"(p) : "a"(0) : "memory"); +#else + __stosd((unsigned long *)(size_t)p, 0, n); +#endif +} + +template<> inline void SecureWipeBuffer(word64 *buf, size_t n) +{ +#if CRYPTOPP_BOOL_X64 + volatile word64 *p = buf; +#ifdef __GNUC__ + asm volatile("rep stosq" : "+c"(n), "+D"(p) : "a"(0) : "memory"); +#else + __stosq((word64 *)(size_t)p, 0, n); +#endif +#else + SecureWipeBuffer((word32 *)buf, 2*n); +#endif +} + +#endif // #if (_MSC_VER >= 1400 || defined(__GNUC__)) && (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86) + +template <class T> +inline void SecureWipeArray(T *buf, size_t n) +{ + if (sizeof(T) % 8 == 0 && GetAlignmentOf<T>() % GetAlignmentOf<word64>() == 0) + SecureWipeBuffer((word64 *)buf, n * (sizeof(T)/8)); + else if (sizeof(T) % 4 == 0 && GetAlignmentOf<T>() % GetAlignmentOf<word32>() == 0) + SecureWipeBuffer((word32 *)buf, n * (sizeof(T)/4)); + else if (sizeof(T) % 2 == 0 && GetAlignmentOf<T>() % GetAlignmentOf<word16>() == 0) + SecureWipeBuffer((word16 *)buf, n * (sizeof(T)/2)); + else + SecureWipeBuffer((byte *)buf, n * sizeof(T)); +} + +// this function uses wcstombs(), which assumes that setlocale() has been called +static std::string StringNarrow(const wchar_t *str, bool throwOnError = true) +{ +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable: 4996) // 'wcstombs': This function or variable may be unsafe. +#endif + size_t size = wcstombs(NULL, str, 0); + if (size == size_t(0)-1) + { + if (throwOnError) + throw InvalidArgument("StringNarrow: wcstombs() call failed"); + else + return std::string(); + } + std::string result(size, 0); + wcstombs(&result[0], str, size); + return result; +#ifdef _MSC_VER +#pragma warning(pop) +#endif +} + +#if CRYPTOPP_BOOL_ALIGN16_ENABLED +CRYPTOPP_DLL void * CRYPTOPP_API AlignedAllocate(size_t size); +CRYPTOPP_DLL void CRYPTOPP_API AlignedDeallocate(void *p); +#endif + +CRYPTOPP_DLL void * CRYPTOPP_API UnalignedAllocate(size_t size); +CRYPTOPP_DLL void CRYPTOPP_API UnalignedDeallocate(void *p); + +// ************** rotate functions *************** + +template <class T> inline T rotlFixed(T x, unsigned int y) +{ + assert(y < sizeof(T)*8); + return T((x<<y) | (x>>(sizeof(T)*8-y))); +} + +template <class T> inline T rotrFixed(T x, unsigned int y) +{ + assert(y < sizeof(T)*8); + return T((x>>y) | (x<<(sizeof(T)*8-y))); +} + +template <class T> inline T rotlVariable(T x, unsigned int y) +{ + assert(y < sizeof(T)*8); + return T((x<<y) | (x>>(sizeof(T)*8-y))); +} + +template <class T> inline T rotrVariable(T x, unsigned int y) +{ + assert(y < sizeof(T)*8); + return T((x>>y) | (x<<(sizeof(T)*8-y))); +} + +template <class T> inline T rotlMod(T x, unsigned int y) +{ + y %= sizeof(T)*8; + return T((x<<y) | (x>>(sizeof(T)*8-y))); +} + +template <class T> inline T rotrMod(T x, unsigned int y) +{ + y %= sizeof(T)*8; + return T((x>>y) | (x<<(sizeof(T)*8-y))); +} + +#ifdef _MSC_VER + +template<> inline word32 rotlFixed<word32>(word32 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _lrotl(x, y) : x; +} + +template<> inline word32 rotrFixed<word32>(word32 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _lrotr(x, y) : x; +} + +template<> inline word32 rotlVariable<word32>(word32 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _lrotl(x, y); +} + +template<> inline word32 rotrVariable<word32>(word32 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _lrotr(x, y); +} + +template<> inline word32 rotlMod<word32>(word32 x, unsigned int y) +{ + return _lrotl(x, y); +} + +template<> inline word32 rotrMod<word32>(word32 x, unsigned int y) +{ + return _lrotr(x, y); +} + +#endif // #ifdef _MSC_VER + +#if _MSC_VER >= 1300 && !defined(__INTEL_COMPILER) +// Intel C++ Compiler 10.0 calls a function instead of using the rotate instruction when using these instructions + +template<> inline word64 rotlFixed<word64>(word64 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotl64(x, y) : x; +} + +template<> inline word64 rotrFixed<word64>(word64 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotr64(x, y) : x; +} + +template<> inline word64 rotlVariable<word64>(word64 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotl64(x, y); +} + +template<> inline word64 rotrVariable<word64>(word64 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotr64(x, y); +} + +template<> inline word64 rotlMod<word64>(word64 x, unsigned int y) +{ + return _rotl64(x, y); +} + +template<> inline word64 rotrMod<word64>(word64 x, unsigned int y) +{ + return _rotr64(x, y); +} + +#endif // #if _MSC_VER >= 1310 + +#if _MSC_VER >= 1400 && !defined(__INTEL_COMPILER) +// Intel C++ Compiler 10.0 gives undefined externals with these + +template<> inline word16 rotlFixed<word16>(word16 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotl16(x, y) : x; +} + +template<> inline word16 rotrFixed<word16>(word16 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotr16(x, y) : x; +} + +template<> inline word16 rotlVariable<word16>(word16 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotl16(x, y); +} + +template<> inline word16 rotrVariable<word16>(word16 x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotr16(x, y); +} + +template<> inline word16 rotlMod<word16>(word16 x, unsigned int y) +{ + return _rotl16(x, y); +} + +template<> inline word16 rotrMod<word16>(word16 x, unsigned int y) +{ + return _rotr16(x, y); +} + +template<> inline byte rotlFixed<byte>(byte x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotl8(x, y) : x; +} + +template<> inline byte rotrFixed<byte>(byte x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return y ? _rotr8(x, y) : x; +} + +template<> inline byte rotlVariable<byte>(byte x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotl8(x, y); +} + +template<> inline byte rotrVariable<byte>(byte x, unsigned int y) +{ + assert(y < 8*sizeof(x)); + return _rotr8(x, y); +} + +template<> inline byte rotlMod<byte>(byte x, unsigned int y) +{ + return _rotl8(x, y); +} + +template<> inline byte rotrMod<byte>(byte x, unsigned int y) +{ + return _rotr8(x, y); +} + +#endif // #if _MSC_VER >= 1400 + +#if (defined(__MWERKS__) && TARGET_CPU_PPC) + +template<> inline word32 rotlFixed<word32>(word32 x, unsigned int y) +{ + assert(y < 32); + return y ? __rlwinm(x,y,0,31) : x; +} + +template<> inline word32 rotrFixed<word32>(word32 x, unsigned int y) +{ + assert(y < 32); + return y ? __rlwinm(x,32-y,0,31) : x; +} + +template<> inline word32 rotlVariable<word32>(word32 x, unsigned int y) +{ + assert(y < 32); + return (__rlwnm(x,y,0,31)); +} + +template<> inline word32 rotrVariable<word32>(word32 x, unsigned int y) +{ + assert(y < 32); + return (__rlwnm(x,32-y,0,31)); +} + +template<> inline word32 rotlMod<word32>(word32 x, unsigned int y) +{ + return (__rlwnm(x,y,0,31)); +} + +template<> inline word32 rotrMod<word32>(word32 x, unsigned int y) +{ + return (__rlwnm(x,32-y,0,31)); +} + +#endif // #if (defined(__MWERKS__) && TARGET_CPU_PPC) + +// ************** endian reversal *************** + +template <class T> +inline unsigned int GetByte(ByteOrder order, T value, unsigned int index) +{ + if (order == LITTLE_ENDIAN_ORDER) + return GETBYTE(value, index); + else + return GETBYTE(value, sizeof(T)-index-1); +} + +inline byte ByteReverse(byte value) +{ + return value; +} + +inline word16 ByteReverse(word16 value) +{ +#ifdef CRYPTOPP_BYTESWAP_AVAILABLE + return bswap_16(value); +#elif defined(_MSC_VER) && _MSC_VER >= 1300 + return _byteswap_ushort(value); +#else + return rotlFixed(value, 8U); +#endif +} + +inline word32 ByteReverse(word32 value) +{ +#if defined(__GNUC__) && defined(CRYPTOPP_X86_ASM_AVAILABLE) + __asm__ ("bswap %0" : "=r" (value) : "0" (value)); + return value; +#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE) + return bswap_32(value); +#elif defined(__MWERKS__) && TARGET_CPU_PPC + return (word32)__lwbrx(&value,0); +#elif _MSC_VER >= 1400 || (_MSC_VER >= 1300 && !defined(_DLL)) + return _byteswap_ulong(value); +#elif CRYPTOPP_FAST_ROTATE(32) + // 5 instructions with rotate instruction, 9 without + return (rotrFixed(value, 8U) & 0xff00ff00) | (rotlFixed(value, 8U) & 0x00ff00ff); +#else + // 6 instructions with rotate instruction, 8 without + value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8); + return rotlFixed(value, 16U); +#endif +} + +inline word64 ByteReverse(word64 value) +{ +#if defined(__GNUC__) && defined(CRYPTOPP_X86_ASM_AVAILABLE) && defined(__x86_64__) + __asm__ ("bswap %0" : "=r" (value) : "0" (value)); + return value; +#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE) + return bswap_64(value); +#elif defined(_MSC_VER) && _MSC_VER >= 1300 + return _byteswap_uint64(value); +#elif CRYPTOPP_BOOL_SLOW_WORD64 + return (word64(ByteReverse(word32(value))) << 32) | ByteReverse(word32(value>>32)); +#else + value = ((value & W64LIT(0xFF00FF00FF00FF00)) >> 8) | ((value & W64LIT(0x00FF00FF00FF00FF)) << 8); + value = ((value & W64LIT(0xFFFF0000FFFF0000)) >> 16) | ((value & W64LIT(0x0000FFFF0000FFFF)) << 16); + return rotlFixed(value, 32U); +#endif +} + +inline byte BitReverse(byte value) +{ + value = ((value & 0xAA) >> 1) | ((value & 0x55) << 1); + value = ((value & 0xCC) >> 2) | ((value & 0x33) << 2); + return rotlFixed(value, 4U); +} + +inline word16 BitReverse(word16 value) +{ + value = ((value & 0xAAAA) >> 1) | ((value & 0x5555) << 1); + value = ((value & 0xCCCC) >> 2) | ((value & 0x3333) << 2); + value = ((value & 0xF0F0) >> 4) | ((value & 0x0F0F) << 4); + return ByteReverse(value); +} + +inline word32 BitReverse(word32 value) +{ + value = ((value & 0xAAAAAAAA) >> 1) | ((value & 0x55555555) << 1); + value = ((value & 0xCCCCCCCC) >> 2) | ((value & 0x33333333) << 2); + value = ((value & 0xF0F0F0F0) >> 4) | ((value & 0x0F0F0F0F) << 4); + return ByteReverse(value); +} + +inline word64 BitReverse(word64 value) +{ +#if CRYPTOPP_BOOL_SLOW_WORD64 + return (word64(BitReverse(word32(value))) << 32) | BitReverse(word32(value>>32)); +#else + value = ((value & W64LIT(0xAAAAAAAAAAAAAAAA)) >> 1) | ((value & W64LIT(0x5555555555555555)) << 1); + value = ((value & W64LIT(0xCCCCCCCCCCCCCCCC)) >> 2) | ((value & W64LIT(0x3333333333333333)) << 2); + value = ((value & W64LIT(0xF0F0F0F0F0F0F0F0)) >> 4) | ((value & W64LIT(0x0F0F0F0F0F0F0F0F)) << 4); + return ByteReverse(value); +#endif +} + +template <class T> +inline T BitReverse(T value) +{ + if (sizeof(T) == 1) + return (T)BitReverse((byte)value); + else if (sizeof(T) == 2) + return (T)BitReverse((word16)value); + else if (sizeof(T) == 4) + return (T)BitReverse((word32)value); + else + { + assert(sizeof(T) == 8); + return (T)BitReverse((word64)value); + } +} + +template <class T> +inline T ConditionalByteReverse(ByteOrder order, T value) +{ + return NativeByteOrderIs(order) ? value : ByteReverse(value); +} + +template <class T> +void ByteReverse(T *out, const T *in, size_t byteCount) +{ + assert(byteCount % sizeof(T) == 0); + size_t count = byteCount/sizeof(T); + for (size_t i=0; i<count; i++) + out[i] = ByteReverse(in[i]); +} + +template <class T> +inline void ConditionalByteReverse(ByteOrder order, T *out, const T *in, size_t byteCount) +{ + if (!NativeByteOrderIs(order)) + ByteReverse(out, in, byteCount); + else if (in != out) + memcpy_s(out, byteCount, in, byteCount); +} + +template <class T> +inline void GetUserKey(ByteOrder order, T *out, size_t outlen, const byte *in, size_t inlen) +{ + const size_t U = sizeof(T); + assert(inlen <= outlen*U); + memcpy_s(out, outlen*U, in, inlen); + memset_z((byte *)out+inlen, 0, outlen*U-inlen); + ConditionalByteReverse(order, out, out, RoundUpToMultipleOf(inlen, U)); +} + +#ifndef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS +inline byte UnalignedGetWordNonTemplate(ByteOrder order, const byte *block, const byte *) +{ + return block[0]; +} + +inline word16 UnalignedGetWordNonTemplate(ByteOrder order, const byte *block, const word16 *) +{ + return (order == BIG_ENDIAN_ORDER) + ? block[1] | (block[0] << 8) + : block[0] | (block[1] << 8); +} + +inline word32 UnalignedGetWordNonTemplate(ByteOrder order, const byte *block, const word32 *) +{ + return (order == BIG_ENDIAN_ORDER) + ? word32(block[3]) | (word32(block[2]) << 8) | (word32(block[1]) << 16) | (word32(block[0]) << 24) + : word32(block[0]) | (word32(block[1]) << 8) | (word32(block[2]) << 16) | (word32(block[3]) << 24); +} + +inline word64 UnalignedGetWordNonTemplate(ByteOrder order, const byte *block, const word64 *) +{ + return (order == BIG_ENDIAN_ORDER) + ? + (word64(block[7]) | + (word64(block[6]) << 8) | + (word64(block[5]) << 16) | + (word64(block[4]) << 24) | + (word64(block[3]) << 32) | + (word64(block[2]) << 40) | + (word64(block[1]) << 48) | + (word64(block[0]) << 56)) + : + (word64(block[0]) | + (word64(block[1]) << 8) | + (word64(block[2]) << 16) | + (word64(block[3]) << 24) | + (word64(block[4]) << 32) | + (word64(block[5]) << 40) | + (word64(block[6]) << 48) | + (word64(block[7]) << 56)); +} + +inline void UnalignedPutWordNonTemplate(ByteOrder order, byte *block, byte value, const byte *xorBlock) +{ + block[0] = xorBlock ? (value ^ xorBlock[0]) : value; +} + +inline void UnalignedPutWordNonTemplate(ByteOrder order, byte *block, word16 value, const byte *xorBlock) +{ + if (order == BIG_ENDIAN_ORDER) + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + } + else + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + } + } +} + +inline void UnalignedPutWordNonTemplate(ByteOrder order, byte *block, word32 value, const byte *xorBlock) +{ + if (order == BIG_ENDIAN_ORDER) + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[2] = xorBlock[2] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[3] = xorBlock[3] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[2] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[3] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + } + else + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[2] = xorBlock[2] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[3] = xorBlock[3] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[2] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[3] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + } + } +} + +inline void UnalignedPutWordNonTemplate(ByteOrder order, byte *block, word64 value, const byte *xorBlock) +{ + if (order == BIG_ENDIAN_ORDER) + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 7); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 6); + block[2] = xorBlock[2] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 5); + block[3] = xorBlock[3] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 4); + block[4] = xorBlock[4] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[5] = xorBlock[5] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[6] = xorBlock[6] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[7] = xorBlock[7] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 7); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 6); + block[2] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 5); + block[3] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 4); + block[4] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[5] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[6] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[7] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + } + } + else + { + if (xorBlock) + { + block[0] = xorBlock[0] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = xorBlock[1] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[2] = xorBlock[2] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[3] = xorBlock[3] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[4] = xorBlock[4] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 4); + block[5] = xorBlock[5] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 5); + block[6] = xorBlock[6] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 6); + block[7] = xorBlock[7] ^ CRYPTOPP_GET_BYTE_AS_BYTE(value, 7); + } + else + { + block[0] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 0); + block[1] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 1); + block[2] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 2); + block[3] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 3); + block[4] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 4); + block[5] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 5); + block[6] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 6); + block[7] = CRYPTOPP_GET_BYTE_AS_BYTE(value, 7); + } + } +} +#endif // #ifndef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + +template <class T> +inline T GetWord(bool assumeAligned, ByteOrder order, const byte *block) +{ +#ifndef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + if (!assumeAligned) + return UnalignedGetWordNonTemplate(order, block, (T*)NULL); + assert(IsAligned<T>(block)); +#endif + return ConditionalByteReverse(order, *reinterpret_cast<const T *>(block)); +} + +template <class T> +inline void GetWord(bool assumeAligned, ByteOrder order, T &result, const byte *block) +{ + result = GetWord<T>(assumeAligned, order, block); +} + +template <class T> +inline void PutWord(bool assumeAligned, ByteOrder order, byte *block, T value, const byte *xorBlock = NULL) +{ +#ifndef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + if (!assumeAligned) + return UnalignedPutWordNonTemplate(order, block, value, xorBlock); + assert(IsAligned<T>(block)); + assert(IsAligned<T>(xorBlock)); +#endif + *reinterpret_cast<T *>(block) = ConditionalByteReverse(order, value) ^ (xorBlock ? *reinterpret_cast<const T *>(xorBlock) : 0); +} + +template <class T, class B, bool A=false> +class GetBlock +{ +public: + GetBlock(const void *block) + : m_block((const byte *)block) {} + + template <class U> + inline GetBlock<T, B, A> & operator()(U &x) + { + CRYPTOPP_COMPILE_ASSERT(sizeof(U) >= sizeof(T)); + x = GetWord<T>(A, B::ToEnum(), m_block); + m_block += sizeof(T); + return *this; + } + +private: + const byte *m_block; +}; + +template <class T, class B, bool A=false> +class PutBlock +{ +public: + PutBlock(const void *xorBlock, void *block) + : m_xorBlock((const byte *)xorBlock), m_block((byte *)block) {} + + template <class U> + inline PutBlock<T, B, A> & operator()(U x) + { + PutWord(A, B::ToEnum(), m_block, (T)x, m_xorBlock); + m_block += sizeof(T); + if (m_xorBlock) + m_xorBlock += sizeof(T); + return *this; + } + +private: + const byte *m_xorBlock; + byte *m_block; +}; + +template <class T, class B, bool GA=false, bool PA=false> +struct BlockGetAndPut +{ + // function needed because of C++ grammatical ambiguity between expression-statements and declarations + static inline GetBlock<T, B, GA> Get(const void *block) {return GetBlock<T, B, GA>(block);} + typedef PutBlock<T, B, PA> Put; +}; + +template <class T> +std::string WordToString(T value, ByteOrder order = BIG_ENDIAN_ORDER) +{ + if (!NativeByteOrderIs(order)) + value = ByteReverse(value); + + return std::string((char *)&value, sizeof(value)); +} + +template <class T> +T StringToWord(const std::string &str, ByteOrder order = BIG_ENDIAN_ORDER) +{ + T value = 0; + memcpy_s(&value, sizeof(value), str.data(), UnsignedMin(str.size(), sizeof(value))); + return NativeByteOrderIs(order) ? value : ByteReverse(value); +} + +// ************** help remove warning on g++ *************** + +template <bool overflow> struct SafeShifter; + +template<> struct SafeShifter<true> +{ + template <class T> + static inline T RightShift(T value, unsigned int bits) + { + return 0; + } + + template <class T> + static inline T LeftShift(T value, unsigned int bits) + { + return 0; + } +}; + +template<> struct SafeShifter<false> +{ + template <class T> + static inline T RightShift(T value, unsigned int bits) + { + return value >> bits; + } + + template <class T> + static inline T LeftShift(T value, unsigned int bits) + { + return value << bits; + } +}; + +template <unsigned int bits, class T> +inline T SafeRightShift(T value) +{ + return SafeShifter<(bits>=(8*sizeof(T)))>::RightShift(value, bits); +} + +template <unsigned int bits, class T> +inline T SafeLeftShift(T value) +{ + return SafeShifter<(bits>=(8*sizeof(T)))>::LeftShift(value, bits); +} + +// ************** use one buffer for multiple data members *************** + +#define CRYPTOPP_BLOCK_1(n, t, s) t* m_##n() {return (t *)(m_aggregate+0);} size_t SS1() {return sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_2(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS1());} size_t SS2() {return SS1()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_3(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS2());} size_t SS3() {return SS2()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_4(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS3());} size_t SS4() {return SS3()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_5(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS4());} size_t SS5() {return SS4()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_6(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS5());} size_t SS6() {return SS5()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_7(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS6());} size_t SS7() {return SS6()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCK_8(n, t, s) t* m_##n() {return (t *)(m_aggregate+SS7());} size_t SS8() {return SS7()+sizeof(t)*(s);} size_t m_##n##Size() {return (s);} +#define CRYPTOPP_BLOCKS_END(i) size_t SST() {return SS##i();} void AllocateBlocks() {m_aggregate.New(SST());} AlignedSecByteBlock m_aggregate; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/modarith.h b/CryptoPP/modarith.h new file mode 100644 index 000000000..c0368e3fb --- /dev/null +++ b/CryptoPP/modarith.h @@ -0,0 +1,158 @@ +#ifndef CRYPTOPP_MODARITH_H +#define CRYPTOPP_MODARITH_H + +// implementations are in integer.cpp + +#include "cryptlib.h" +#include "misc.h" +#include "integer.h" +#include "algebra.h" + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractGroup<Integer>; +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractRing<Integer>; +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractEuclideanDomain<Integer>; + +//! ring of congruence classes modulo n +/*! \note this implementation represents each congruence class as the smallest non-negative integer in that class */ +class CRYPTOPP_DLL ModularArithmetic : public AbstractRing<Integer> +{ +public: + + typedef int RandomizationParameter; + typedef Integer Element; + + ModularArithmetic(const Integer &modulus = Integer::One()) + : m_modulus(modulus), m_result((word)0, modulus.reg.size()) {} + + ModularArithmetic(const ModularArithmetic &ma) + : m_modulus(ma.m_modulus), m_result((word)0, m_modulus.reg.size()) {} + + ModularArithmetic(BufferedTransformation &bt); // construct from BER encoded parameters + + virtual ModularArithmetic * Clone() const {return new ModularArithmetic(*this);} + + void DEREncode(BufferedTransformation &bt) const; + + void DEREncodeElement(BufferedTransformation &out, const Element &a) const; + void BERDecodeElement(BufferedTransformation &in, Element &a) const; + + const Integer& GetModulus() const {return m_modulus;} + void SetModulus(const Integer &newModulus) {m_modulus = newModulus; m_result.reg.resize(m_modulus.reg.size());} + + virtual bool IsMontgomeryRepresentation() const {return false;} + + virtual Integer ConvertIn(const Integer &a) const + {return a%m_modulus;} + + virtual Integer ConvertOut(const Integer &a) const + {return a;} + + const Integer& Half(const Integer &a) const; + + bool Equal(const Integer &a, const Integer &b) const + {return a==b;} + + const Integer& Identity() const + {return Integer::Zero();} + + const Integer& Add(const Integer &a, const Integer &b) const; + + Integer& Accumulate(Integer &a, const Integer &b) const; + + const Integer& Inverse(const Integer &a) const; + + const Integer& Subtract(const Integer &a, const Integer &b) const; + + Integer& Reduce(Integer &a, const Integer &b) const; + + const Integer& Double(const Integer &a) const + {return Add(a, a);} + + const Integer& MultiplicativeIdentity() const + {return Integer::One();} + + const Integer& Multiply(const Integer &a, const Integer &b) const + {return m_result1 = a*b%m_modulus;} + + const Integer& Square(const Integer &a) const + {return m_result1 = a.Squared()%m_modulus;} + + bool IsUnit(const Integer &a) const + {return Integer::Gcd(a, m_modulus).IsUnit();} + + const Integer& MultiplicativeInverse(const Integer &a) const + {return m_result1 = a.InverseMod(m_modulus);} + + const Integer& Divide(const Integer &a, const Integer &b) const + {return Multiply(a, MultiplicativeInverse(b));} + + Integer CascadeExponentiate(const Integer &x, const Integer &e1, const Integer &y, const Integer &e2) const; + + void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const; + + unsigned int MaxElementBitLength() const + {return (m_modulus-1).BitCount();} + + unsigned int MaxElementByteLength() const + {return (m_modulus-1).ByteCount();} + + Element RandomElement( RandomNumberGenerator &rng , const RandomizationParameter &ignore_for_now = 0 ) const + // left RandomizationParameter arg as ref in case RandomizationParameter becomes a more complicated struct + { + return Element( rng , Integer( (long) 0) , m_modulus - Integer( (long) 1 ) ) ; + } + + bool operator==(const ModularArithmetic &rhs) const + {return m_modulus == rhs.m_modulus;} + + static const RandomizationParameter DefaultRandomizationParameter ; + +protected: + Integer m_modulus; + mutable Integer m_result, m_result1; + +}; + +// const ModularArithmetic::RandomizationParameter ModularArithmetic::DefaultRandomizationParameter = 0 ; + +//! do modular arithmetics in Montgomery representation for increased speed +/*! \note the Montgomery representation represents each congruence class [a] as a*r%n, where r is a convenient power of 2 */ +class CRYPTOPP_DLL MontgomeryRepresentation : public ModularArithmetic +{ +public: + MontgomeryRepresentation(const Integer &modulus); // modulus must be odd + + virtual ModularArithmetic * Clone() const {return new MontgomeryRepresentation(*this);} + + bool IsMontgomeryRepresentation() const {return true;} + + Integer ConvertIn(const Integer &a) const + {return (a<<(WORD_BITS*m_modulus.reg.size()))%m_modulus;} + + Integer ConvertOut(const Integer &a) const; + + const Integer& MultiplicativeIdentity() const + {return m_result1 = Integer::Power2(WORD_BITS*m_modulus.reg.size())%m_modulus;} + + const Integer& Multiply(const Integer &a, const Integer &b) const; + + const Integer& Square(const Integer &a) const; + + const Integer& MultiplicativeInverse(const Integer &a) const; + + Integer CascadeExponentiate(const Integer &x, const Integer &e1, const Integer &y, const Integer &e2) const + {return AbstractRing<Integer>::CascadeExponentiate(x, e1, y, e2);} + + void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const + {AbstractRing<Integer>::SimultaneousExponentiate(results, base, exponents, exponentsCount);} + +private: + Integer m_u; + mutable IntegerSecBlock m_workspace; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/modes.cpp b/CryptoPP/modes.cpp new file mode 100644 index 000000000..46332284b --- /dev/null +++ b/CryptoPP/modes.cpp @@ -0,0 +1,245 @@ +// modes.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "modes.h" + +#ifndef NDEBUG +#include "des.h" +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#ifndef NDEBUG +void Modes_TestInstantiations() +{ + CFB_Mode<DES>::Encryption m0; + CFB_Mode<DES>::Decryption m1; + OFB_Mode<DES>::Encryption m2; + CTR_Mode<DES>::Encryption m3; + ECB_Mode<DES>::Encryption m4; + CBC_Mode<DES>::Encryption m5; +} +#endif + +void CFB_ModePolicy::Iterate(byte *output, const byte *input, CipherDir dir, size_t iterationCount) +{ + assert(m_cipher->IsForwardTransformation()); // CFB mode needs the "encrypt" direction of the underlying block cipher, even to decrypt + assert(m_feedbackSize == BlockSize()); + + unsigned int s = BlockSize(); + if (dir == ENCRYPTION) + { + m_cipher->ProcessAndXorBlock(m_register, input, output); + m_cipher->AdvancedProcessBlocks(output, input+s, output+s, (iterationCount-1)*s, 0); + memcpy(m_register, output+(iterationCount-1)*s, s); + } + else + { + memcpy(m_temp, input+(iterationCount-1)*s, s); // make copy first in case of in-place decryption + m_cipher->AdvancedProcessBlocks(input, input+s, output+s, (iterationCount-1)*s, BlockTransformation::BT_ReverseDirection); + m_cipher->ProcessAndXorBlock(m_register, input, output); + memcpy(m_register, m_temp, s); + } +} + +void CFB_ModePolicy::TransformRegister() +{ + assert(m_cipher->IsForwardTransformation()); // CFB mode needs the "encrypt" direction of the underlying block cipher, even to decrypt + m_cipher->ProcessBlock(m_register, m_temp); + unsigned int updateSize = BlockSize()-m_feedbackSize; + memmove_s(m_register, m_register.size(), m_register+m_feedbackSize, updateSize); + memcpy_s(m_register+updateSize, m_register.size()-updateSize, m_temp, m_feedbackSize); +} + +void CFB_ModePolicy::CipherResynchronize(const byte *iv, size_t length) +{ + assert(length == BlockSize()); + CopyOrZero(m_register, iv, length); + TransformRegister(); +} + +void CFB_ModePolicy::SetFeedbackSize(unsigned int feedbackSize) +{ + if (feedbackSize > BlockSize()) + throw InvalidArgument("CFB_Mode: invalid feedback size"); + m_feedbackSize = feedbackSize ? feedbackSize : BlockSize(); +} + +void CFB_ModePolicy::ResizeBuffers() +{ + CipherModeBase::ResizeBuffers(); + m_temp.New(BlockSize()); +} + +void OFB_ModePolicy::WriteKeystream(byte *keystreamBuffer, size_t iterationCount) +{ + assert(m_cipher->IsForwardTransformation()); // OFB mode needs the "encrypt" direction of the underlying block cipher, even to decrypt + unsigned int s = BlockSize(); + m_cipher->ProcessBlock(m_register, keystreamBuffer); + if (iterationCount > 1) + m_cipher->AdvancedProcessBlocks(keystreamBuffer, NULL, keystreamBuffer+s, s*(iterationCount-1), 0); + memcpy(m_register, keystreamBuffer+s*(iterationCount-1), s); +} + +void OFB_ModePolicy::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length) +{ + assert(length == BlockSize()); + CopyOrZero(m_register, iv, length); +} + +void CTR_ModePolicy::SeekToIteration(lword iterationCount) +{ + int carry=0; + for (int i=BlockSize()-1; i>=0; i--) + { + unsigned int sum = m_register[i] + byte(iterationCount) + carry; + m_counterArray[i] = (byte) sum; + carry = sum >> 8; + iterationCount >>= 8; + } +} + +void CTR_ModePolicy::IncrementCounterBy256() +{ + IncrementCounterByOne(m_counterArray, BlockSize()-1); +} + +void CTR_ModePolicy::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ + assert(m_cipher->IsForwardTransformation()); // CTR mode needs the "encrypt" direction of the underlying block cipher, even to decrypt + unsigned int s = BlockSize(); + unsigned int inputIncrement = input ? s : 0; + + while (iterationCount) + { + byte lsb = m_counterArray[s-1]; + size_t blocks = UnsignedMin(iterationCount, 256U-lsb); + m_cipher->AdvancedProcessBlocks(m_counterArray, input, output, blocks*s, BlockTransformation::BT_InBlockIsCounter|BlockTransformation::BT_AllowParallel); + if ((m_counterArray[s-1] = lsb + (byte)blocks) == 0) + IncrementCounterBy256(); + + output += blocks*s; + input += blocks*inputIncrement; + iterationCount -= blocks; + } +} + +void CTR_ModePolicy::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length) +{ + assert(length == BlockSize()); + CopyOrZero(m_register, iv, length); + m_counterArray = m_register; +} + +void BlockOrientedCipherModeBase::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) +{ + m_cipher->SetKey(key, length, params); + ResizeBuffers(); + if (IsResynchronizable()) + { + size_t ivLength; + const byte *iv = GetIVAndThrowIfInvalid(params, ivLength); + Resynchronize(iv, (int)ivLength); + } +} + +void ECB_OneWay::ProcessData(byte *outString, const byte *inString, size_t length) +{ + assert(length%BlockSize()==0); + m_cipher->AdvancedProcessBlocks(inString, NULL, outString, length, BlockTransformation::BT_AllowParallel); +} + +void CBC_Encryption::ProcessData(byte *outString, const byte *inString, size_t length) +{ + if (!length) + return; + assert(length%BlockSize()==0); + + unsigned int blockSize = BlockSize(); + m_cipher->AdvancedProcessBlocks(inString, m_register, outString, blockSize, BlockTransformation::BT_XorInput); + if (length > blockSize) + m_cipher->AdvancedProcessBlocks(inString+blockSize, outString, outString+blockSize, length-blockSize, BlockTransformation::BT_XorInput); + memcpy(m_register, outString + length - blockSize, blockSize); +} + +void CBC_CTS_Encryption::ProcessLastBlock(byte *outString, const byte *inString, size_t length) +{ + if (length <= BlockSize()) + { + if (!m_stolenIV) + throw InvalidArgument("CBC_Encryption: message is too short for ciphertext stealing"); + + // steal from IV + memcpy(outString, m_register, length); + outString = m_stolenIV; + } + else + { + // steal from next to last block + xorbuf(m_register, inString, BlockSize()); + m_cipher->ProcessBlock(m_register); + inString += BlockSize(); + length -= BlockSize(); + memcpy(outString+BlockSize(), m_register, length); + } + + // output last full ciphertext block + xorbuf(m_register, inString, length); + m_cipher->ProcessBlock(m_register); + memcpy(outString, m_register, BlockSize()); +} + +void CBC_Decryption::ProcessData(byte *outString, const byte *inString, size_t length) +{ + if (!length) + return; + assert(length%BlockSize()==0); + + unsigned int blockSize = BlockSize(); + memcpy(m_temp, inString+length-blockSize, blockSize); // save copy now in case of in-place decryption + if (length > blockSize) + m_cipher->AdvancedProcessBlocks(inString+blockSize, inString, outString+blockSize, length-blockSize, BlockTransformation::BT_ReverseDirection|BlockTransformation::BT_AllowParallel); + m_cipher->ProcessAndXorBlock(inString, m_register, outString); + m_register.swap(m_temp); +} + +void CBC_CTS_Decryption::ProcessLastBlock(byte *outString, const byte *inString, size_t length) +{ + const byte *pn, *pn1; + bool stealIV = length <= BlockSize(); + + if (stealIV) + { + pn = inString; + pn1 = m_register; + } + else + { + pn = inString + BlockSize(); + pn1 = inString; + length -= BlockSize(); + } + + // decrypt last partial plaintext block + memcpy(m_temp, pn1, BlockSize()); + m_cipher->ProcessBlock(m_temp); + xorbuf(m_temp, pn, length); + + if (stealIV) + memcpy(outString, m_temp, length); + else + { + memcpy(outString+BlockSize(), m_temp, length); + // decrypt next to last plaintext block + memcpy(m_temp, pn, length); + m_cipher->ProcessBlock(m_temp); + xorbuf(outString, m_temp, m_register, BlockSize()); + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/modes.h b/CryptoPP/modes.h new file mode 100644 index 000000000..c0c30c476 --- /dev/null +++ b/CryptoPP/modes.h @@ -0,0 +1,422 @@ +#ifndef CRYPTOPP_MODES_H +#define CRYPTOPP_MODES_H + +/*! \file +*/ + +#include "cryptlib.h" +#include "secblock.h" +#include "misc.h" +#include "strciphr.h" +#include "argnames.h" +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Cipher modes documentation. See NIST SP 800-38A for definitions of these modes. See AuthenticatedSymmetricCipherDocumentation for authenticated encryption modes. + +/*! Each class derived from this one defines two types, Encryption and Decryption, + both of which implement the SymmetricCipher interface. + For each mode there are two classes, one of which is a template class, + and the other one has a name that ends in "_ExternalCipher". + The "external cipher" mode objects hold a reference to the underlying block cipher, + instead of holding an instance of it. The reference must be passed in to the constructor. + For the "cipher holder" classes, the CIPHER template parameter should be a class + derived from BlockCipherDocumentation, for example DES or AES. +*/ +struct CipherModeDocumentation : public SymmetricCipherDocumentation +{ +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CipherModeBase : public SymmetricCipher +{ +public: + size_t MinKeyLength() const {return m_cipher->MinKeyLength();} + size_t MaxKeyLength() const {return m_cipher->MaxKeyLength();} + size_t DefaultKeyLength() const {return m_cipher->DefaultKeyLength();} + size_t GetValidKeyLength(size_t n) const {return m_cipher->GetValidKeyLength(n);} + bool IsValidKeyLength(size_t n) const {return m_cipher->IsValidKeyLength(n);} + + unsigned int OptimalDataAlignment() const {return m_cipher->OptimalDataAlignment();} + + unsigned int IVSize() const {return BlockSize();} + virtual IV_Requirement IVRequirement() const =0; + + void SetCipher(BlockCipher &cipher) + { + this->ThrowIfResynchronizable(); + this->m_cipher = &cipher; + this->ResizeBuffers(); + } + + void SetCipherWithIV(BlockCipher &cipher, const byte *iv, int feedbackSize = 0) + { + this->ThrowIfInvalidIV(iv); + this->m_cipher = &cipher; + this->ResizeBuffers(); + this->SetFeedbackSize(feedbackSize); + if (this->IsResynchronizable()) + this->Resynchronize(iv); + } + +protected: + CipherModeBase() : m_cipher(NULL) {} + inline unsigned int BlockSize() const {assert(m_register.size() > 0); return (unsigned int)m_register.size();} + virtual void SetFeedbackSize(unsigned int feedbackSize) + { + if (!(feedbackSize == 0 || feedbackSize == BlockSize())) + throw InvalidArgument("CipherModeBase: feedback size cannot be specified for this cipher mode"); + } + virtual void ResizeBuffers() + { + m_register.New(m_cipher->BlockSize()); + } + + BlockCipher *m_cipher; + AlignedSecByteBlock m_register; +}; + +template <class POLICY_INTERFACE> +class CRYPTOPP_NO_VTABLE ModePolicyCommonTemplate : public CipherModeBase, public POLICY_INTERFACE +{ + unsigned int GetAlignment() const {return m_cipher->OptimalDataAlignment();} + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); +}; + +template <class POLICY_INTERFACE> +void ModePolicyCommonTemplate<POLICY_INTERFACE>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + m_cipher->SetKey(key, length, params); + ResizeBuffers(); + int feedbackSize = params.GetIntValueWithDefault(Name::FeedbackSize(), 0); + SetFeedbackSize(feedbackSize); +} + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CFB_ModePolicy : public ModePolicyCommonTemplate<CFB_CipherAbstractPolicy> +{ +public: + IV_Requirement IVRequirement() const {return RANDOM_IV;} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "CFB";} + +protected: + unsigned int GetBytesPerIteration() const {return m_feedbackSize;} + byte * GetRegisterBegin() {return m_register + BlockSize() - m_feedbackSize;} + bool CanIterate() const {return m_feedbackSize == BlockSize();} + void Iterate(byte *output, const byte *input, CipherDir dir, size_t iterationCount); + void TransformRegister(); + void CipherResynchronize(const byte *iv, size_t length); + void SetFeedbackSize(unsigned int feedbackSize); + void ResizeBuffers(); + + SecByteBlock m_temp; + unsigned int m_feedbackSize; +}; + +inline void CopyOrZero(void *dest, const void *src, size_t s) +{ + if (src) + memcpy_s(dest, s, src, s); + else + memset(dest, 0, s); +} + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE OFB_ModePolicy : public ModePolicyCommonTemplate<AdditiveCipherAbstractPolicy> +{ +public: + bool CipherIsRandomAccess() const {return false;} + IV_Requirement IVRequirement() const {return UNIQUE_IV;} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "OFB";} + +private: + unsigned int GetBytesPerIteration() const {return BlockSize();} + unsigned int GetIterationsToBuffer() const {return m_cipher->OptimalNumberOfParallelBlocks();} + void WriteKeystream(byte *keystreamBuffer, size_t iterationCount); + void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length); +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CTR_ModePolicy : public ModePolicyCommonTemplate<AdditiveCipherAbstractPolicy> +{ +public: + bool CipherIsRandomAccess() const {return true;} + IV_Requirement IVRequirement() const {return RANDOM_IV;} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "CTR";} + +protected: + virtual void IncrementCounterBy256(); + + unsigned int GetAlignment() const {return m_cipher->OptimalDataAlignment();} + unsigned int GetBytesPerIteration() const {return BlockSize();} + unsigned int GetIterationsToBuffer() const {return m_cipher->OptimalNumberOfParallelBlocks();} + void WriteKeystream(byte *buffer, size_t iterationCount) + {OperateKeystream(WRITE_KEYSTREAM, buffer, NULL, iterationCount);} + bool CanOperateKeystream() const {return true;} + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length); + void SeekToIteration(lword iterationCount); + + AlignedSecByteBlock m_counterArray; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE BlockOrientedCipherModeBase : public CipherModeBase +{ +public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + unsigned int MandatoryBlockSize() const {return BlockSize();} + bool IsRandomAccess() const {return false;} + bool IsSelfInverting() const {return false;} + bool IsForwardTransformation() const {return m_cipher->IsForwardTransformation();} + void Resynchronize(const byte *iv, int length=-1) {memcpy_s(m_register, m_register.size(), iv, ThrowIfInvalidIVLength(length));} + +protected: + bool RequireAlignedInput() const {return true;} + void ResizeBuffers() + { + CipherModeBase::ResizeBuffers(); + m_buffer.New(BlockSize()); + } + + SecByteBlock m_buffer; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE ECB_OneWay : public BlockOrientedCipherModeBase +{ +public: + void SetKey(const byte *key, size_t length, const NameValuePairs ¶ms = g_nullNameValuePairs) + {m_cipher->SetKey(key, length, params); BlockOrientedCipherModeBase::ResizeBuffers();} + IV_Requirement IVRequirement() const {return NOT_RESYNCHRONIZABLE;} + unsigned int OptimalBlockSize() const {return BlockSize() * m_cipher->OptimalNumberOfParallelBlocks();} + void ProcessData(byte *outString, const byte *inString, size_t length); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "ECB";} +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_ModeBase : public BlockOrientedCipherModeBase +{ +public: + IV_Requirement IVRequirement() const {return UNPREDICTABLE_RANDOM_IV;} + bool RequireAlignedInput() const {return false;} + unsigned int MinLastBlockSize() const {return 0;} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "CBC";} +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_Encryption : public CBC_ModeBase +{ +public: + void ProcessData(byte *outString, const byte *inString, size_t length); +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_CTS_Encryption : public CBC_Encryption +{ +public: + void SetStolenIV(byte *iv) {m_stolenIV = iv;} + unsigned int MinLastBlockSize() const {return BlockSize()+1;} + void ProcessLastBlock(byte *outString, const byte *inString, size_t length); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "CBC/CTS";} + +protected: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) + { + CBC_Encryption::UncheckedSetKey(key, length, params); + m_stolenIV = params.GetValueWithDefault(Name::StolenIV(), (byte *)NULL); + } + + byte *m_stolenIV; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_Decryption : public CBC_ModeBase +{ +public: + void ProcessData(byte *outString, const byte *inString, size_t length); + +protected: + void ResizeBuffers() + { + BlockOrientedCipherModeBase::ResizeBuffers(); + m_temp.New(BlockSize()); + } + AlignedSecByteBlock m_temp; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_CTS_Decryption : public CBC_Decryption +{ +public: + unsigned int MinLastBlockSize() const {return BlockSize()+1;} + void ProcessLastBlock(byte *outString, const byte *inString, size_t length); +}; + +//! _ +template <class CIPHER, class BASE> +class CipherModeFinalTemplate_CipherHolder : protected ObjectHolder<CIPHER>, public AlgorithmImpl<BASE, CipherModeFinalTemplate_CipherHolder<CIPHER, BASE> > +{ +public: + CipherModeFinalTemplate_CipherHolder() + { + this->m_cipher = &this->m_object; + this->ResizeBuffers(); + } + CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length) + { + this->m_cipher = &this->m_object; + this->SetKey(key, length); + } + CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length, const byte *iv) + { + this->m_cipher = &this->m_object; + this->SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, this->m_cipher->BlockSize()))); + } + CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length, const byte *iv, int feedbackSize) + { + this->m_cipher = &this->m_object; + this->SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, this->m_cipher->BlockSize()))(Name::FeedbackSize(), feedbackSize)); + } + + static std::string CRYPTOPP_API StaticAlgorithmName() + {return CIPHER::StaticAlgorithmName() + "/" + BASE::StaticAlgorithmName();} +}; + +//! _ +template <class BASE> +class CipherModeFinalTemplate_ExternalCipher : public BASE +{ +public: + CipherModeFinalTemplate_ExternalCipher() {} + CipherModeFinalTemplate_ExternalCipher(BlockCipher &cipher) + {this->SetCipher(cipher);} + CipherModeFinalTemplate_ExternalCipher(BlockCipher &cipher, const byte *iv, int feedbackSize = 0) + {this->SetCipherWithIV(cipher, iv, feedbackSize);} + + std::string AlgorithmName() const + {return (this->m_cipher ? this->m_cipher->AlgorithmName() + "/" : std::string("")) + BASE::StaticAlgorithmName();} +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_CipherTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >; + +//! CFB mode +template <class CIPHER> +struct CFB_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Encryption; + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption; +}; + +//! CFB mode, external cipher +struct CFB_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Encryption; + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption; +}; + +//! CFB mode FIPS variant, requiring full block plaintext according to FIPS 800-38A +template <class CIPHER> +struct CFB_FIPS_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption; + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption; +}; + +//! CFB mode FIPS variant, requiring full block plaintext according to FIPS 800-38A, external cipher +struct CFB_FIPS_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption; + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> >; + +//! OFB mode +template <class CIPHER> +struct OFB_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> > > > Encryption; + typedef Encryption Decryption; +}; + +//! OFB mode, external cipher +struct OFB_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> > > > Encryption; + typedef Encryption Decryption; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > >; + +//! CTR mode +template <class CIPHER> +struct CTR_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > > Encryption; + typedef Encryption Decryption; +}; + +//! CTR mode, external cipher +struct CTR_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > > Encryption; + typedef Encryption Decryption; +}; + +//! ECB mode +template <class CIPHER> +struct ECB_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ECB_OneWay> Encryption; + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Decryption, ECB_OneWay> Decryption; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<ECB_OneWay>; + +//! ECB mode, external cipher +struct ECB_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<ECB_OneWay> Encryption; + typedef Encryption Decryption; +}; + +//! CBC mode +template <class CIPHER> +struct CBC_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, CBC_Encryption> Encryption; + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Decryption, CBC_Decryption> Decryption; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_Encryption>; +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_Decryption>; + +//! CBC mode, external cipher +struct CBC_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<CBC_Encryption> Encryption; + typedef CipherModeFinalTemplate_ExternalCipher<CBC_Decryption> Decryption; +}; + +//! CBC mode with ciphertext stealing +template <class CIPHER> +struct CBC_CTS_Mode : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, CBC_CTS_Encryption> Encryption; + typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Decryption, CBC_CTS_Decryption> Decryption; +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Encryption>; +CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Decryption>; + +//! CBC mode with ciphertext stealing, external cipher +struct CBC_CTS_Mode_ExternalCipher : public CipherModeDocumentation +{ + typedef CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Encryption> Encryption; + typedef CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Decryption> Decryption; +}; + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY +typedef CFB_Mode_ExternalCipher::Encryption CFBEncryption; +typedef CFB_Mode_ExternalCipher::Decryption CFBDecryption; +typedef OFB_Mode_ExternalCipher::Encryption OFB; +typedef CTR_Mode_ExternalCipher::Encryption CounterMode; +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/modexppc.h b/CryptoPP/modexppc.h new file mode 100644 index 000000000..fbe701279 --- /dev/null +++ b/CryptoPP/modexppc.h @@ -0,0 +1,34 @@ +#ifndef CRYPTOPP_MODEXPPC_H +#define CRYPTOPP_MODEXPPC_H + +#include "modarith.h" +#include "eprecomp.h" +#include "smartptr.h" +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +CRYPTOPP_DLL_TEMPLATE_CLASS DL_FixedBasePrecomputationImpl<Integer>; + +class ModExpPrecomputation : public DL_GroupPrecomputation<Integer> +{ +public: + // DL_GroupPrecomputation + bool NeedConversions() const {return true;} + Element ConvertIn(const Element &v) const {return m_mr->ConvertIn(v);} + virtual Element ConvertOut(const Element &v) const {return m_mr->ConvertOut(v);} + const AbstractGroup<Element> & GetGroup() const {return m_mr->MultiplicativeGroup();} + Element BERDecodeElement(BufferedTransformation &bt) const {return Integer(bt);} + void DEREncodeElement(BufferedTransformation &bt, const Element &v) const {v.DEREncode(bt);} + + // non-inherited + void SetModulus(const Integer &v) {m_mr.reset(new MontgomeryRepresentation(v));} + const Integer & GetModulus() const {return m_mr->GetModulus();} + +private: + value_ptr<MontgomeryRepresentation> m_mr; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/mqueue.cpp b/CryptoPP/mqueue.cpp new file mode 100644 index 000000000..1d645d83d --- /dev/null +++ b/CryptoPP/mqueue.cpp @@ -0,0 +1,174 @@ +// mqueue.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "mqueue.h" + +NAMESPACE_BEGIN(CryptoPP) + +MessageQueue::MessageQueue(unsigned int nodeSize) + : m_queue(nodeSize), m_lengths(1, 0U), m_messageCounts(1, 0U) +{ +} + +size_t MessageQueue::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + if (begin >= MaxRetrievable()) + return 0; + + return m_queue.CopyRangeTo2(target, begin, STDMIN(MaxRetrievable(), end), channel, blocking); +} + +size_t MessageQueue::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + transferBytes = STDMIN(MaxRetrievable(), transferBytes); + size_t blockedBytes = m_queue.TransferTo2(target, transferBytes, channel, blocking); + m_lengths.front() -= transferBytes; + return blockedBytes; +} + +bool MessageQueue::GetNextMessage() +{ + if (NumberOfMessages() > 0 && !AnyRetrievable()) + { + m_lengths.pop_front(); + if (m_messageCounts[0] == 0 && m_messageCounts.size() > 1) + m_messageCounts.pop_front(); + return true; + } + else + return false; +} + +unsigned int MessageQueue::CopyMessagesTo(BufferedTransformation &target, unsigned int count, const std::string &channel) const +{ + ByteQueue::Walker walker(m_queue); + std::deque<lword>::const_iterator it = m_lengths.begin(); + unsigned int i; + for (i=0; i<count && it != --m_lengths.end(); ++i, ++it) + { + walker.TransferTo(target, *it, channel); + if (GetAutoSignalPropagation()) + target.ChannelMessageEnd(channel, GetAutoSignalPropagation()-1); + } + return i; +} + +void MessageQueue::swap(MessageQueue &rhs) +{ + m_queue.swap(rhs.m_queue); + m_lengths.swap(rhs.m_lengths); +} + +const byte * MessageQueue::Spy(size_t &contiguousSize) const +{ + const byte *result = m_queue.Spy(contiguousSize); + contiguousSize = UnsignedMin(contiguousSize, MaxRetrievable()); + return result; +} + +// ************************************************************* + +unsigned int EqualityComparisonFilter::MapChannel(const std::string &channel) const +{ + if (channel == m_firstChannel) + return 0; + else if (channel == m_secondChannel) + return 1; + else + return 2; +} + +size_t EqualityComparisonFilter::ChannelPut2(const std::string &channel, const byte *inString, size_t length, int messageEnd, bool blocking) +{ + if (!blocking) + throw BlockingInputOnly("EqualityComparisonFilter"); + + unsigned int i = MapChannel(channel); + + if (i == 2) + return Output(3, inString, length, messageEnd, blocking, channel); + else if (m_mismatchDetected) + return 0; + else + { + MessageQueue &q1 = m_q[i], &q2 = m_q[1-i]; + + if (q2.AnyMessages() && q2.MaxRetrievable() < length) + goto mismatch; + + while (length > 0 && q2.AnyRetrievable()) + { + size_t len = length; + const byte *data = q2.Spy(len); + len = STDMIN(len, length); + if (memcmp(inString, data, len) != 0) + goto mismatch; + inString += len; + length -= len; + q2.Skip(len); + } + + q1.Put(inString, length); + + if (messageEnd) + { + if (q2.AnyRetrievable()) + goto mismatch; + else if (q2.AnyMessages()) + q2.GetNextMessage(); + else if (q2.NumberOfMessageSeries() > 0) + goto mismatch; + else + q1.MessageEnd(); + } + + return 0; + +mismatch: + return HandleMismatchDetected(blocking); + } +} + +bool EqualityComparisonFilter::ChannelMessageSeriesEnd(const std::string &channel, int propagation, bool blocking) +{ + unsigned int i = MapChannel(channel); + + if (i == 2) + { + OutputMessageSeriesEnd(4, propagation, blocking, channel); + return false; + } + else if (m_mismatchDetected) + return false; + else + { + MessageQueue &q1 = m_q[i], &q2 = m_q[1-i]; + + if (q2.AnyRetrievable() || q2.AnyMessages()) + goto mismatch; + else if (q2.NumberOfMessageSeries() > 0) + return Output(2, (const byte *)"\1", 1, 0, blocking) != 0; + else + q1.MessageSeriesEnd(); + + return false; + +mismatch: + return HandleMismatchDetected(blocking); + } +} + +bool EqualityComparisonFilter::HandleMismatchDetected(bool blocking) +{ + m_mismatchDetected = true; + if (m_throwIfNotEqual) + throw MismatchDetected(); + return Output(1, (const byte *)"\0", 1, 0, blocking) != 0; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/mqueue.h b/CryptoPP/mqueue.h new file mode 100644 index 000000000..efa57a7cf --- /dev/null +++ b/CryptoPP/mqueue.h @@ -0,0 +1,100 @@ +#ifndef CRYPTOPP_MQUEUE_H +#define CRYPTOPP_MQUEUE_H + +#include "queue.h" +#include "filters.h" +#include <deque> + +NAMESPACE_BEGIN(CryptoPP) + +//! Message Queue +class CRYPTOPP_DLL MessageQueue : public AutoSignaling<BufferedTransformation> +{ +public: + MessageQueue(unsigned int nodeSize=256); + + void IsolatedInitialize(const NameValuePairs ¶meters) + {m_queue.IsolatedInitialize(parameters); m_lengths.assign(1, 0U); m_messageCounts.assign(1, 0U);} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + { + m_queue.Put(begin, length); + m_lengths.back() += length; + if (messageEnd) + { + m_lengths.push_back(0); + m_messageCounts.back()++; + } + return 0; + } + bool IsolatedFlush(bool hardFlush, bool blocking) {return false;} + bool IsolatedMessageSeriesEnd(bool blocking) + {m_messageCounts.push_back(0); return false;} + + lword MaxRetrievable() const + {return m_lengths.front();} + bool AnyRetrievable() const + {return m_lengths.front() > 0;} + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + + lword TotalBytesRetrievable() const + {return m_queue.MaxRetrievable();} + unsigned int NumberOfMessages() const + {return (unsigned int)m_lengths.size()-1;} + bool GetNextMessage(); + + unsigned int NumberOfMessagesInThisSeries() const + {return m_messageCounts[0];} + unsigned int NumberOfMessageSeries() const + {return (unsigned int)m_messageCounts.size()-1;} + + unsigned int CopyMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) const; + + const byte * Spy(size_t &contiguousSize) const; + + void swap(MessageQueue &rhs); + +private: + ByteQueue m_queue; + std::deque<lword> m_lengths; + std::deque<unsigned int> m_messageCounts; +}; + + +//! A filter that checks messages on two channels for equality +class CRYPTOPP_DLL EqualityComparisonFilter : public Unflushable<Multichannel<Filter> > +{ +public: + struct MismatchDetected : public Exception {MismatchDetected() : Exception(DATA_INTEGRITY_CHECK_FAILED, "EqualityComparisonFilter: did not receive the same data on two channels") {}}; + + /*! if throwIfNotEqual is false, this filter will output a '\\0' byte when it detects a mismatch, '\\1' otherwise */ + EqualityComparisonFilter(BufferedTransformation *attachment=NULL, bool throwIfNotEqual=true, const std::string &firstChannel="0", const std::string &secondChannel="1") + : m_throwIfNotEqual(throwIfNotEqual), m_mismatchDetected(false) + , m_firstChannel(firstChannel), m_secondChannel(secondChannel) + {Detach(attachment);} + + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking); + bool ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1, bool blocking=true); + +private: + unsigned int MapChannel(const std::string &channel) const; + bool HandleMismatchDetected(bool blocking); + + bool m_throwIfNotEqual, m_mismatchDetected; + std::string m_firstChannel, m_secondChannel; + MessageQueue m_q[2]; +}; + +NAMESPACE_END + +#ifndef __BORLANDC__ +NAMESPACE_BEGIN(std) +template<> inline void swap(CryptoPP::MessageQueue &a, CryptoPP::MessageQueue &b) +{ + a.swap(b); +} +NAMESPACE_END +#endif + +#endif diff --git a/CryptoPP/mqv.cpp b/CryptoPP/mqv.cpp new file mode 100644 index 000000000..c427561b2 --- /dev/null +++ b/CryptoPP/mqv.cpp @@ -0,0 +1,13 @@ +// mqv.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "mqv.h" + +NAMESPACE_BEGIN(CryptoPP) + +void TestInstantiations_MQV() +{ + MQV mqv; +} + +NAMESPACE_END diff --git a/CryptoPP/mqv.h b/CryptoPP/mqv.h new file mode 100644 index 000000000..2683817b0 --- /dev/null +++ b/CryptoPP/mqv.h @@ -0,0 +1,141 @@ +#ifndef CRYPTOPP_MQV_H +#define CRYPTOPP_MQV_H + +/** \file +*/ + +#include "gfpcrypt.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class GROUP_PARAMETERS, class COFACTOR_OPTION = CPP_TYPENAME GROUP_PARAMETERS::DefaultCofactorOption> +class MQV_Domain : public AuthenticatedKeyAgreementDomain +{ +public: + typedef GROUP_PARAMETERS GroupParameters; + typedef typename GroupParameters::Element Element; + typedef MQV_Domain<GROUP_PARAMETERS, COFACTOR_OPTION> Domain; + + MQV_Domain() {} + + MQV_Domain(const GroupParameters ¶ms) + : m_groupParameters(params) {} + + MQV_Domain(BufferedTransformation &bt) + {m_groupParameters.BERDecode(bt);} + + template <class T1, class T2> + MQV_Domain(T1 v1, T2 v2) + {m_groupParameters.Initialize(v1, v2);} + + template <class T1, class T2, class T3> + MQV_Domain(T1 v1, T2 v2, T3 v3) + {m_groupParameters.Initialize(v1, v2, v3);} + + template <class T1, class T2, class T3, class T4> + MQV_Domain(T1 v1, T2 v2, T3 v3, T4 v4) + {m_groupParameters.Initialize(v1, v2, v3, v4);} + + const GroupParameters & GetGroupParameters() const {return m_groupParameters;} + GroupParameters & AccessGroupParameters() {return m_groupParameters;} + + CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();} + + unsigned int AgreedValueLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(false);} + unsigned int StaticPrivateKeyLength() const {return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();} + unsigned int StaticPublicKeyLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(true);} + + void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const + { + Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent()); + x.Encode(privateKey, StaticPrivateKeyLength()); + } + + void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + { + const DL_GroupParameters<Element> ¶ms = GetAbstractGroupParameters(); + Integer x(privateKey, StaticPrivateKeyLength()); + Element y = params.ExponentiateBase(x); + params.EncodeElement(true, y, publicKey); + } + + unsigned int EphemeralPrivateKeyLength() const {return StaticPrivateKeyLength() + StaticPublicKeyLength();} + unsigned int EphemeralPublicKeyLength() const {return StaticPublicKeyLength();} + + void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const + { + const DL_GroupParameters<Element> ¶ms = GetAbstractGroupParameters(); + Integer x(rng, Integer::One(), params.GetMaxExponent()); + x.Encode(privateKey, StaticPrivateKeyLength()); + Element y = params.ExponentiateBase(x); + params.EncodeElement(true, y, privateKey+StaticPrivateKeyLength()); + } + + void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + { + memcpy(publicKey, privateKey+StaticPrivateKeyLength(), EphemeralPublicKeyLength()); + } + + bool Agree(byte *agreedValue, + const byte *staticPrivateKey, const byte *ephemeralPrivateKey, + const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, + bool validateStaticOtherPublicKey=true) const + { + try + { + const DL_GroupParameters<Element> ¶ms = GetAbstractGroupParameters(); + Element WW = params.DecodeElement(staticOtherPublicKey, validateStaticOtherPublicKey); + Element VV = params.DecodeElement(ephemeralOtherPublicKey, true); + + Integer s(staticPrivateKey, StaticPrivateKeyLength()); + Integer u(ephemeralPrivateKey, StaticPrivateKeyLength()); + Element V = params.DecodeElement(ephemeralPrivateKey+StaticPrivateKeyLength(), false); + + const Integer &r = params.GetSubgroupOrder(); + Integer h2 = Integer::Power2((r.BitCount()+1)/2); + Integer e = ((h2+params.ConvertElementToInteger(V)%h2)*s+u) % r; + Integer tt = h2 + params.ConvertElementToInteger(VV) % h2; + + if (COFACTOR_OPTION::ToEnum() == NO_COFACTOR_MULTIPLICTION) + { + Element P = params.ExponentiateElement(WW, tt); + P = m_groupParameters.MultiplyElements(P, VV); + Element R[2]; + const Integer e2[2] = {r, e}; + params.SimultaneousExponentiate(R, P, e2, 2); + if (!params.IsIdentity(R[0]) || params.IsIdentity(R[1])) + return false; + params.EncodeElement(false, R[1], agreedValue); + } + else + { + const Integer &k = params.GetCofactor(); + if (COFACTOR_OPTION::ToEnum() == COMPATIBLE_COFACTOR_MULTIPLICTION) + e = ModularArithmetic(r).Divide(e, k); + Element P = m_groupParameters.CascadeExponentiate(VV, k*e, WW, k*(e*tt%r)); + if (params.IsIdentity(P)) + return false; + params.EncodeElement(false, P, agreedValue); + } + } + catch (DL_BadElement &) + { + return false; + } + return true; + } + +private: + DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return m_groupParameters;} + const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return m_groupParameters;} + + GroupParameters m_groupParameters; +}; + +//! Menezes-Qu-Vanstone in GF(p) with key validation, AKA <a href="http://www.weidai.com/scan-mirror/ka.html#MQV">MQV</a> +typedef MQV_Domain<DL_GroupParameters_GFP_DefaultSafePrime> MQV; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/nbtheory.cpp b/CryptoPP/nbtheory.cpp new file mode 100644 index 000000000..3fdea4e69 --- /dev/null +++ b/CryptoPP/nbtheory.cpp @@ -0,0 +1,1123 @@ +// nbtheory.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "nbtheory.h" +#include "modarith.h" +#include "algparam.h" + +#include <math.h> +#include <vector> + +#ifdef _OPENMP +// needed in MSVC 2005 to generate correct manifest +#include <omp.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +const word s_lastSmallPrime = 32719; + +struct NewPrimeTable +{ + std::vector<word16> * operator()() const + { + const unsigned int maxPrimeTableSize = 3511; + + std::auto_ptr<std::vector<word16> > pPrimeTable(new std::vector<word16>); + std::vector<word16> &primeTable = *pPrimeTable; + primeTable.reserve(maxPrimeTableSize); + + primeTable.push_back(2); + unsigned int testEntriesEnd = 1; + + for (unsigned int p=3; p<=s_lastSmallPrime; p+=2) + { + unsigned int j; + for (j=1; j<testEntriesEnd; j++) + if (p%primeTable[j] == 0) + break; + if (j == testEntriesEnd) + { + primeTable.push_back(p); + testEntriesEnd = UnsignedMin(54U, primeTable.size()); + } + } + + return pPrimeTable.release(); + } +}; + +const word16 * GetPrimeTable(unsigned int &size) +{ + const std::vector<word16> &primeTable = Singleton<std::vector<word16>, NewPrimeTable>().Ref(); + size = (unsigned int)primeTable.size(); + return &primeTable[0]; +} + +bool IsSmallPrime(const Integer &p) +{ + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + if (p.IsPositive() && p <= primeTable[primeTableSize-1]) + return std::binary_search(primeTable, primeTable+primeTableSize, (word16)p.ConvertToLong()); + else + return false; +} + +bool TrialDivision(const Integer &p, unsigned bound) +{ + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + assert(primeTable[primeTableSize-1] >= bound); + + unsigned int i; + for (i = 0; primeTable[i]<bound; i++) + if ((p % primeTable[i]) == 0) + return true; + + if (bound == primeTable[i]) + return (p % bound == 0); + else + return false; +} + +bool SmallDivisorsTest(const Integer &p) +{ + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + return !TrialDivision(p, primeTable[primeTableSize-1]); +} + +bool IsFermatProbablePrime(const Integer &n, const Integer &b) +{ + if (n <= 3) + return n==2 || n==3; + + assert(n>3 && b>1 && b<n-1); + return a_exp_b_mod_c(b, n-1, n)==1; +} + +bool IsStrongProbablePrime(const Integer &n, const Integer &b) +{ + if (n <= 3) + return n==2 || n==3; + + assert(n>3 && b>1 && b<n-1); + + if ((n.IsEven() && n!=2) || GCD(b, n) != 1) + return false; + + Integer nminus1 = (n-1); + unsigned int a; + + // calculate a = largest power of 2 that divides (n-1) + for (a=0; ; a++) + if (nminus1.GetBit(a)) + break; + Integer m = nminus1>>a; + + Integer z = a_exp_b_mod_c(b, m, n); + if (z==1 || z==nminus1) + return true; + for (unsigned j=1; j<a; j++) + { + z = z.Squared()%n; + if (z==nminus1) + return true; + if (z==1) + return false; + } + return false; +} + +bool RabinMillerTest(RandomNumberGenerator &rng, const Integer &n, unsigned int rounds) +{ + if (n <= 3) + return n==2 || n==3; + + assert(n>3); + + Integer b; + for (unsigned int i=0; i<rounds; i++) + { + b.Randomize(rng, 2, n-2); + if (!IsStrongProbablePrime(n, b)) + return false; + } + return true; +} + +bool IsLucasProbablePrime(const Integer &n) +{ + if (n <= 1) + return false; + + if (n.IsEven()) + return n==2; + + assert(n>2); + + Integer b=3; + unsigned int i=0; + int j; + + while ((j=Jacobi(b.Squared()-4, n)) == 1) + { + if (++i==64 && n.IsSquare()) // avoid infinite loop if n is a square + return false; + ++b; ++b; + } + + if (j==0) + return false; + else + return Lucas(n+1, b, n)==2; +} + +bool IsStrongLucasProbablePrime(const Integer &n) +{ + if (n <= 1) + return false; + + if (n.IsEven()) + return n==2; + + assert(n>2); + + Integer b=3; + unsigned int i=0; + int j; + + while ((j=Jacobi(b.Squared()-4, n)) == 1) + { + if (++i==64 && n.IsSquare()) // avoid infinite loop if n is a square + return false; + ++b; ++b; + } + + if (j==0) + return false; + + Integer n1 = n+1; + unsigned int a; + + // calculate a = largest power of 2 that divides n1 + for (a=0; ; a++) + if (n1.GetBit(a)) + break; + Integer m = n1>>a; + + Integer z = Lucas(m, b, n); + if (z==2 || z==n-2) + return true; + for (i=1; i<a; i++) + { + z = (z.Squared()-2)%n; + if (z==n-2) + return true; + if (z==2) + return false; + } + return false; +} + +struct NewLastSmallPrimeSquared +{ + Integer * operator()() const + { + return new Integer(Integer(s_lastSmallPrime).Squared()); + } +}; + +bool IsPrime(const Integer &p) +{ + if (p <= s_lastSmallPrime) + return IsSmallPrime(p); + else if (p <= Singleton<Integer, NewLastSmallPrimeSquared>().Ref()) + return SmallDivisorsTest(p); + else + return SmallDivisorsTest(p) && IsStrongProbablePrime(p, 3) && IsStrongLucasProbablePrime(p); +} + +bool VerifyPrime(RandomNumberGenerator &rng, const Integer &p, unsigned int level) +{ + bool pass = IsPrime(p) && RabinMillerTest(rng, p, 1); + if (level >= 1) + pass = pass && RabinMillerTest(rng, p, 10); + return pass; +} + +unsigned int PrimeSearchInterval(const Integer &max) +{ + return max.BitCount(); +} + +static inline bool FastProbablePrimeTest(const Integer &n) +{ + return IsStrongProbablePrime(n,2); +} + +AlgorithmParameters MakeParametersForTwoPrimesOfEqualSize(unsigned int productBitLength) +{ + if (productBitLength < 16) + throw InvalidArgument("invalid bit length"); + + Integer minP, maxP; + + if (productBitLength%2==0) + { + minP = Integer(182) << (productBitLength/2-8); + maxP = Integer::Power2(productBitLength/2)-1; + } + else + { + minP = Integer::Power2((productBitLength-1)/2); + maxP = Integer(181) << ((productBitLength+1)/2-8); + } + + return MakeParameters("RandomNumberType", Integer::PRIME)("Min", minP)("Max", maxP); +} + +class PrimeSieve +{ +public: + // delta == 1 or -1 means double sieve with p = 2*q + delta + PrimeSieve(const Integer &first, const Integer &last, const Integer &step, signed int delta=0); + bool NextCandidate(Integer &c); + + void DoSieve(); + static void SieveSingle(std::vector<bool> &sieve, word16 p, const Integer &first, const Integer &step, word16 stepInv); + + Integer m_first, m_last, m_step; + signed int m_delta; + word m_next; + std::vector<bool> m_sieve; +}; + +PrimeSieve::PrimeSieve(const Integer &first, const Integer &last, const Integer &step, signed int delta) + : m_first(first), m_last(last), m_step(step), m_delta(delta), m_next(0) +{ + DoSieve(); +} + +bool PrimeSieve::NextCandidate(Integer &c) +{ + bool safe = SafeConvert(std::find(m_sieve.begin()+m_next, m_sieve.end(), false) - m_sieve.begin(), m_next); + assert(safe); + if (m_next == m_sieve.size()) + { + m_first += long(m_sieve.size())*m_step; + if (m_first > m_last) + return false; + else + { + m_next = 0; + DoSieve(); + return NextCandidate(c); + } + } + else + { + c = m_first + long(m_next)*m_step; + ++m_next; + return true; + } +} + +void PrimeSieve::SieveSingle(std::vector<bool> &sieve, word16 p, const Integer &first, const Integer &step, word16 stepInv) +{ + if (stepInv) + { + size_t sieveSize = sieve.size(); + size_t j = (word32(p-(first%p))*stepInv) % p; + // if the first multiple of p is p, skip it + if (first.WordCount() <= 1 && first + step*long(j) == p) + j += p; + for (; j < sieveSize; j += p) + sieve[j] = true; + } +} + +void PrimeSieve::DoSieve() +{ + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + const unsigned int maxSieveSize = 32768; + unsigned int sieveSize = STDMIN(Integer(maxSieveSize), (m_last-m_first)/m_step+1).ConvertToLong(); + + m_sieve.clear(); + m_sieve.resize(sieveSize, false); + + if (m_delta == 0) + { + for (unsigned int i = 0; i < primeTableSize; ++i) + SieveSingle(m_sieve, primeTable[i], m_first, m_step, (word16)m_step.InverseMod(primeTable[i])); + } + else + { + assert(m_step%2==0); + Integer qFirst = (m_first-m_delta) >> 1; + Integer halfStep = m_step >> 1; + for (unsigned int i = 0; i < primeTableSize; ++i) + { + word16 p = primeTable[i]; + word16 stepInv = (word16)m_step.InverseMod(p); + SieveSingle(m_sieve, p, m_first, m_step, stepInv); + + word16 halfStepInv = 2*stepInv < p ? 2*stepInv : 2*stepInv-p; + SieveSingle(m_sieve, p, qFirst, halfStep, halfStepInv); + } + } +} + +bool FirstPrime(Integer &p, const Integer &max, const Integer &equiv, const Integer &mod, const PrimeSelector *pSelector) +{ + assert(!equiv.IsNegative() && equiv < mod); + + Integer gcd = GCD(equiv, mod); + if (gcd != Integer::One()) + { + // the only possible prime p such that p%mod==equiv where GCD(mod,equiv)!=1 is GCD(mod,equiv) + if (p <= gcd && gcd <= max && IsPrime(gcd) && (!pSelector || pSelector->IsAcceptable(gcd))) + { + p = gcd; + return true; + } + else + return false; + } + + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + if (p <= primeTable[primeTableSize-1]) + { + const word16 *pItr; + + --p; + if (p.IsPositive()) + pItr = std::upper_bound(primeTable, primeTable+primeTableSize, (word)p.ConvertToLong()); + else + pItr = primeTable; + + while (pItr < primeTable+primeTableSize && !(*pItr%mod == equiv && (!pSelector || pSelector->IsAcceptable(*pItr)))) + ++pItr; + + if (pItr < primeTable+primeTableSize) + { + p = *pItr; + return p <= max; + } + + p = primeTable[primeTableSize-1]+1; + } + + assert(p > primeTable[primeTableSize-1]); + + if (mod.IsOdd()) + return FirstPrime(p, max, CRT(equiv, mod, 1, 2, 1), mod<<1, pSelector); + + p += (equiv-p)%mod; + + if (p>max) + return false; + + PrimeSieve sieve(p, max, mod); + + while (sieve.NextCandidate(p)) + { + if ((!pSelector || pSelector->IsAcceptable(p)) && FastProbablePrimeTest(p) && IsPrime(p)) + return true; + } + + return false; +} + +// the following two functions are based on code and comments provided by Preda Mihailescu +static bool ProvePrime(const Integer &p, const Integer &q) +{ + assert(p < q*q*q); + assert(p % q == 1); + +// this is the Quisquater test. Numbers p having passed the Lucas - Lehmer test +// for q and verifying p < q^3 can only be built up of two factors, both = 1 mod q, +// or be prime. The next two lines build the discriminant of a quadratic equation +// which holds iff p is built up of two factors (excercise ... ) + + Integer r = (p-1)/q; + if (((r%q).Squared()-4*(r/q)).IsSquare()) + return false; + + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + assert(primeTableSize >= 50); + for (int i=0; i<50; i++) + { + Integer b = a_exp_b_mod_c(primeTable[i], r, p); + if (b != 1) + return a_exp_b_mod_c(b, q, p) == 1; + } + return false; +} + +Integer MihailescuProvablePrime(RandomNumberGenerator &rng, unsigned int pbits) +{ + Integer p; + Integer minP = Integer::Power2(pbits-1); + Integer maxP = Integer::Power2(pbits) - 1; + + if (maxP <= Integer(s_lastSmallPrime).Squared()) + { + // Randomize() will generate a prime provable by trial division + p.Randomize(rng, minP, maxP, Integer::PRIME); + return p; + } + + unsigned int qbits = (pbits+2)/3 + 1 + rng.GenerateWord32(0, pbits/36); + Integer q = MihailescuProvablePrime(rng, qbits); + Integer q2 = q<<1; + + while (true) + { + // this initializes the sieve to search in the arithmetic + // progression p = p_0 + \lambda * q2 = p_0 + 2 * \lambda * q, + // with q the recursively generated prime above. We will be able + // to use Lucas tets for proving primality. A trick of Quisquater + // allows taking q > cubic_root(p) rather then square_root: this + // decreases the recursion. + + p.Randomize(rng, minP, maxP, Integer::ANY, 1, q2); + PrimeSieve sieve(p, STDMIN(p+PrimeSearchInterval(maxP)*q2, maxP), q2); + + while (sieve.NextCandidate(p)) + { + if (FastProbablePrimeTest(p) && ProvePrime(p, q)) + return p; + } + } + + // not reached + return p; +} + +Integer MaurerProvablePrime(RandomNumberGenerator &rng, unsigned int bits) +{ + const unsigned smallPrimeBound = 29, c_opt=10; + Integer p; + + unsigned int primeTableSize; + const word16 * primeTable = GetPrimeTable(primeTableSize); + + if (bits < smallPrimeBound) + { + do + p.Randomize(rng, Integer::Power2(bits-1), Integer::Power2(bits)-1, Integer::ANY, 1, 2); + while (TrialDivision(p, 1 << ((bits+1)/2))); + } + else + { + const unsigned margin = bits > 50 ? 20 : (bits-10)/2; + double relativeSize; + do + relativeSize = pow(2.0, double(rng.GenerateWord32())/0xffffffff - 1); + while (bits * relativeSize >= bits - margin); + + Integer a,b; + Integer q = MaurerProvablePrime(rng, unsigned(bits*relativeSize)); + Integer I = Integer::Power2(bits-2)/q; + Integer I2 = I << 1; + unsigned int trialDivisorBound = (unsigned int)STDMIN((unsigned long)primeTable[primeTableSize-1], (unsigned long)bits*bits/c_opt); + bool success = false; + while (!success) + { + p.Randomize(rng, I, I2, Integer::ANY); + p *= q; p <<= 1; ++p; + if (!TrialDivision(p, trialDivisorBound)) + { + a.Randomize(rng, 2, p-1, Integer::ANY); + b = a_exp_b_mod_c(a, (p-1)/q, p); + success = (GCD(b-1, p) == 1) && (a_exp_b_mod_c(b, q, p) == 1); + } + } + } + return p; +} + +Integer CRT(const Integer &xp, const Integer &p, const Integer &xq, const Integer &q, const Integer &u) +{ + // isn't operator overloading great? + return p * (u * (xq-xp) % q) + xp; +/* + Integer t1 = xq-xp; + cout << hex << t1 << endl; + Integer t2 = u * t1; + cout << hex << t2 << endl; + Integer t3 = t2 % q; + cout << hex << t3 << endl; + Integer t4 = p * t3; + cout << hex << t4 << endl; + Integer t5 = t4 + xp; + cout << hex << t5 << endl; + return t5; +*/ +} + +Integer ModularSquareRoot(const Integer &a, const Integer &p) +{ + if (p%4 == 3) + return a_exp_b_mod_c(a, (p+1)/4, p); + + Integer q=p-1; + unsigned int r=0; + while (q.IsEven()) + { + r++; + q >>= 1; + } + + Integer n=2; + while (Jacobi(n, p) != -1) + ++n; + + Integer y = a_exp_b_mod_c(n, q, p); + Integer x = a_exp_b_mod_c(a, (q-1)/2, p); + Integer b = (x.Squared()%p)*a%p; + x = a*x%p; + Integer tempb, t; + + while (b != 1) + { + unsigned m=0; + tempb = b; + do + { + m++; + b = b.Squared()%p; + if (m==r) + return Integer::Zero(); + } + while (b != 1); + + t = y; + for (unsigned i=0; i<r-m-1; i++) + t = t.Squared()%p; + y = t.Squared()%p; + r = m; + x = x*t%p; + b = tempb*y%p; + } + + assert(x.Squared()%p == a); + return x; +} + +bool SolveModularQuadraticEquation(Integer &r1, Integer &r2, const Integer &a, const Integer &b, const Integer &c, const Integer &p) +{ + Integer D = (b.Squared() - 4*a*c) % p; + switch (Jacobi(D, p)) + { + default: + assert(false); // not reached + return false; + case -1: + return false; + case 0: + r1 = r2 = (-b*(a+a).InverseMod(p)) % p; + assert(((r1.Squared()*a + r1*b + c) % p).IsZero()); + return true; + case 1: + Integer s = ModularSquareRoot(D, p); + Integer t = (a+a).InverseMod(p); + r1 = (s-b)*t % p; + r2 = (-s-b)*t % p; + assert(((r1.Squared()*a + r1*b + c) % p).IsZero()); + assert(((r2.Squared()*a + r2*b + c) % p).IsZero()); + return true; + } +} + +Integer ModularRoot(const Integer &a, const Integer &dp, const Integer &dq, + const Integer &p, const Integer &q, const Integer &u) +{ + Integer p2, q2; + #pragma omp parallel + #pragma omp sections + { + #pragma omp section + p2 = ModularExponentiation((a % p), dp, p); + #pragma omp section + q2 = ModularExponentiation((a % q), dq, q); + } + return CRT(p2, p, q2, q, u); +} + +Integer ModularRoot(const Integer &a, const Integer &e, + const Integer &p, const Integer &q) +{ + Integer dp = EuclideanMultiplicativeInverse(e, p-1); + Integer dq = EuclideanMultiplicativeInverse(e, q-1); + Integer u = EuclideanMultiplicativeInverse(p, q); + assert(!!dp && !!dq && !!u); + return ModularRoot(a, dp, dq, p, q, u); +} + +/* +Integer GCDI(const Integer &x, const Integer &y) +{ + Integer a=x, b=y; + unsigned k=0; + + assert(!!a && !!b); + + while (a[0]==0 && b[0]==0) + { + a >>= 1; + b >>= 1; + k++; + } + + while (a[0]==0) + a >>= 1; + + while (b[0]==0) + b >>= 1; + + while (1) + { + switch (a.Compare(b)) + { + case -1: + b -= a; + while (b[0]==0) + b >>= 1; + break; + + case 0: + return (a <<= k); + + case 1: + a -= b; + while (a[0]==0) + a >>= 1; + break; + + default: + assert(false); + } + } +} + +Integer EuclideanMultiplicativeInverse(const Integer &a, const Integer &b) +{ + assert(b.Positive()); + + if (a.Negative()) + return EuclideanMultiplicativeInverse(a%b, b); + + if (b[0]==0) + { + if (!b || a[0]==0) + return Integer::Zero(); // no inverse + if (a==1) + return 1; + Integer u = EuclideanMultiplicativeInverse(b, a); + if (!u) + return Integer::Zero(); // no inverse + else + return (b*(a-u)+1)/a; + } + + Integer u=1, d=a, v1=b, v3=b, t1, t3, b2=(b+1)>>1; + + if (a[0]) + { + t1 = Integer::Zero(); + t3 = -b; + } + else + { + t1 = b2; + t3 = a>>1; + } + + while (!!t3) + { + while (t3[0]==0) + { + t3 >>= 1; + if (t1[0]==0) + t1 >>= 1; + else + { + t1 >>= 1; + t1 += b2; + } + } + if (t3.Positive()) + { + u = t1; + d = t3; + } + else + { + v1 = b-t1; + v3 = -t3; + } + t1 = u-v1; + t3 = d-v3; + if (t1.Negative()) + t1 += b; + } + if (d==1) + return u; + else + return Integer::Zero(); // no inverse +} +*/ + +int Jacobi(const Integer &aIn, const Integer &bIn) +{ + assert(bIn.IsOdd()); + + Integer b = bIn, a = aIn%bIn; + int result = 1; + + while (!!a) + { + unsigned i=0; + while (a.GetBit(i)==0) + i++; + a>>=i; + + if (i%2==1 && (b%8==3 || b%8==5)) + result = -result; + + if (a%4==3 && b%4==3) + result = -result; + + std::swap(a, b); + a %= b; + } + + return (b==1) ? result : 0; +} + +Integer Lucas(const Integer &e, const Integer &pIn, const Integer &n) +{ + unsigned i = e.BitCount(); + if (i==0) + return Integer::Two(); + + MontgomeryRepresentation m(n); + Integer p=m.ConvertIn(pIn%n), two=m.ConvertIn(Integer::Two()); + Integer v=p, v1=m.Subtract(m.Square(p), two); + + i--; + while (i--) + { + if (e.GetBit(i)) + { + // v = (v*v1 - p) % m; + v = m.Subtract(m.Multiply(v,v1), p); + // v1 = (v1*v1 - 2) % m; + v1 = m.Subtract(m.Square(v1), two); + } + else + { + // v1 = (v*v1 - p) % m; + v1 = m.Subtract(m.Multiply(v,v1), p); + // v = (v*v - 2) % m; + v = m.Subtract(m.Square(v), two); + } + } + return m.ConvertOut(v); +} + +// This is Peter Montgomery's unpublished Lucas sequence evalutation algorithm. +// The total number of multiplies and squares used is less than the binary +// algorithm (see above). Unfortunately I can't get it to run as fast as +// the binary algorithm because of the extra overhead. +/* +Integer Lucas(const Integer &n, const Integer &P, const Integer &modulus) +{ + if (!n) + return 2; + +#define f(A, B, C) m.Subtract(m.Multiply(A, B), C) +#define X2(A) m.Subtract(m.Square(A), two) +#define X3(A) m.Multiply(A, m.Subtract(m.Square(A), three)) + + MontgomeryRepresentation m(modulus); + Integer two=m.ConvertIn(2), three=m.ConvertIn(3); + Integer A=m.ConvertIn(P), B, C, p, d=n, e, r, t, T, U; + + while (d!=1) + { + p = d; + unsigned int b = WORD_BITS * p.WordCount(); + Integer alpha = (Integer(5)<<(2*b-2)).SquareRoot() - Integer::Power2(b-1); + r = (p*alpha)>>b; + e = d-r; + B = A; + C = two; + d = r; + + while (d!=e) + { + if (d<e) + { + swap(d, e); + swap(A, B); + } + + unsigned int dm2 = d[0], em2 = e[0]; + unsigned int dm3 = d%3, em3 = e%3; + +// if ((dm6+em6)%3 == 0 && d <= e + (e>>2)) + if ((dm3+em3==0 || dm3+em3==3) && (t = e, t >>= 2, t += e, d <= t)) + { + // #1 +// t = (d+d-e)/3; +// t = d; t += d; t -= e; t /= 3; +// e = (e+e-d)/3; +// e += e; e -= d; e /= 3; +// d = t; + +// t = (d+e)/3 + t = d; t += e; t /= 3; + e -= t; + d -= t; + + T = f(A, B, C); + U = f(T, A, B); + B = f(T, B, A); + A = U; + continue; + } + +// if (dm6 == em6 && d <= e + (e>>2)) + if (dm3 == em3 && dm2 == em2 && (t = e, t >>= 2, t += e, d <= t)) + { + // #2 +// d = (d-e)>>1; + d -= e; d >>= 1; + B = f(A, B, C); + A = X2(A); + continue; + } + +// if (d <= (e<<2)) + if (d <= (t = e, t <<= 2)) + { + // #3 + d -= e; + C = f(A, B, C); + swap(B, C); + continue; + } + + if (dm2 == em2) + { + // #4 +// d = (d-e)>>1; + d -= e; d >>= 1; + B = f(A, B, C); + A = X2(A); + continue; + } + + if (dm2 == 0) + { + // #5 + d >>= 1; + C = f(A, C, B); + A = X2(A); + continue; + } + + if (dm3 == 0) + { + // #6 +// d = d/3 - e; + d /= 3; d -= e; + T = X2(A); + C = f(T, f(A, B, C), C); + swap(B, C); + A = f(T, A, A); + continue; + } + + if (dm3+em3==0 || dm3+em3==3) + { + // #7 +// d = (d-e-e)/3; + d -= e; d -= e; d /= 3; + T = f(A, B, C); + B = f(T, A, B); + A = X3(A); + continue; + } + + if (dm3 == em3) + { + // #8 +// d = (d-e)/3; + d -= e; d /= 3; + T = f(A, B, C); + C = f(A, C, B); + B = T; + A = X3(A); + continue; + } + + assert(em2 == 0); + // #9 + e >>= 1; + C = f(C, B, A); + B = X2(B); + } + + A = f(A, B, C); + } + +#undef f +#undef X2 +#undef X3 + + return m.ConvertOut(A); +} +*/ + +Integer InverseLucas(const Integer &e, const Integer &m, const Integer &p, const Integer &q, const Integer &u) +{ + Integer d = (m*m-4); + Integer p2, q2; + #pragma omp parallel + #pragma omp sections + { + #pragma omp section + { + p2 = p-Jacobi(d,p); + p2 = Lucas(EuclideanMultiplicativeInverse(e,p2), m, p); + } + #pragma omp section + { + q2 = q-Jacobi(d,q); + q2 = Lucas(EuclideanMultiplicativeInverse(e,q2), m, q); + } + } + return CRT(p2, p, q2, q, u); +} + +unsigned int FactoringWorkFactor(unsigned int n) +{ + // extrapolated from the table in Odlyzko's "The Future of Integer Factorization" + // updated to reflect the factoring of RSA-130 + if (n<5) return 0; + else return (unsigned int)(2.4 * pow((double)n, 1.0/3.0) * pow(log(double(n)), 2.0/3.0) - 5); +} + +unsigned int DiscreteLogWorkFactor(unsigned int n) +{ + // assuming discrete log takes about the same time as factoring + if (n<5) return 0; + else return (unsigned int)(2.4 * pow((double)n, 1.0/3.0) * pow(log(double(n)), 2.0/3.0) - 5); +} + +// ******************************************************** + +void PrimeAndGenerator::Generate(signed int delta, RandomNumberGenerator &rng, unsigned int pbits, unsigned int qbits) +{ + // no prime exists for delta = -1, qbits = 4, and pbits = 5 + assert(qbits > 4); + assert(pbits > qbits); + + if (qbits+1 == pbits) + { + Integer minP = Integer::Power2(pbits-1); + Integer maxP = Integer::Power2(pbits) - 1; + bool success = false; + + while (!success) + { + p.Randomize(rng, minP, maxP, Integer::ANY, 6+5*delta, 12); + PrimeSieve sieve(p, STDMIN(p+PrimeSearchInterval(maxP)*12, maxP), 12, delta); + + while (sieve.NextCandidate(p)) + { + assert(IsSmallPrime(p) || SmallDivisorsTest(p)); + q = (p-delta) >> 1; + assert(IsSmallPrime(q) || SmallDivisorsTest(q)); + if (FastProbablePrimeTest(q) && FastProbablePrimeTest(p) && IsPrime(q) && IsPrime(p)) + { + success = true; + break; + } + } + } + + if (delta == 1) + { + // find g such that g is a quadratic residue mod p, then g has order q + // g=4 always works, but this way we get the smallest quadratic residue (other than 1) + for (g=2; Jacobi(g, p) != 1; ++g) {} + // contributed by Walt Tuvell: g should be the following according to the Law of Quadratic Reciprocity + assert((p%8==1 || p%8==7) ? g==2 : (p%12==1 || p%12==11) ? g==3 : g==4); + } + else + { + assert(delta == -1); + // find g such that g*g-4 is a quadratic non-residue, + // and such that g has order q + for (g=3; ; ++g) + if (Jacobi(g*g-4, p)==-1 && Lucas(q, g, p)==2) + break; + } + } + else + { + Integer minQ = Integer::Power2(qbits-1); + Integer maxQ = Integer::Power2(qbits) - 1; + Integer minP = Integer::Power2(pbits-1); + Integer maxP = Integer::Power2(pbits) - 1; + + do + { + q.Randomize(rng, minQ, maxQ, Integer::PRIME); + } while (!p.Randomize(rng, minP, maxP, Integer::PRIME, delta%q, q)); + + // find a random g of order q + if (delta==1) + { + do + { + Integer h(rng, 2, p-2, Integer::ANY); + g = a_exp_b_mod_c(h, (p-1)/q, p); + } while (g <= 1); + assert(a_exp_b_mod_c(g, q, p)==1); + } + else + { + assert(delta==-1); + do + { + Integer h(rng, 3, p-1, Integer::ANY); + if (Jacobi(h*h-4, p)==1) + continue; + g = Lucas((p+1)/q, h, p); + } while (g <= 2); + assert(Lucas(q, g, p) == 2); + } + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/nbtheory.h b/CryptoPP/nbtheory.h new file mode 100644 index 000000000..636479269 --- /dev/null +++ b/CryptoPP/nbtheory.h @@ -0,0 +1,131 @@ +// nbtheory.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_NBTHEORY_H +#define CRYPTOPP_NBTHEORY_H + +#include "integer.h" +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +// obtain pointer to small prime table and get its size +CRYPTOPP_DLL const word16 * CRYPTOPP_API GetPrimeTable(unsigned int &size); + +// ************ primality testing **************** + +// generate a provable prime +CRYPTOPP_DLL Integer CRYPTOPP_API MaurerProvablePrime(RandomNumberGenerator &rng, unsigned int bits); +CRYPTOPP_DLL Integer CRYPTOPP_API MihailescuProvablePrime(RandomNumberGenerator &rng, unsigned int bits); + +CRYPTOPP_DLL bool CRYPTOPP_API IsSmallPrime(const Integer &p); + +// returns true if p is divisible by some prime less than bound +// bound not be greater than the largest entry in the prime table +CRYPTOPP_DLL bool CRYPTOPP_API TrialDivision(const Integer &p, unsigned bound); + +// returns true if p is NOT divisible by small primes +CRYPTOPP_DLL bool CRYPTOPP_API SmallDivisorsTest(const Integer &p); + +// These is no reason to use these two, use the ones below instead +CRYPTOPP_DLL bool CRYPTOPP_API IsFermatProbablePrime(const Integer &n, const Integer &b); +CRYPTOPP_DLL bool CRYPTOPP_API IsLucasProbablePrime(const Integer &n); + +CRYPTOPP_DLL bool CRYPTOPP_API IsStrongProbablePrime(const Integer &n, const Integer &b); +CRYPTOPP_DLL bool CRYPTOPP_API IsStrongLucasProbablePrime(const Integer &n); + +// Rabin-Miller primality test, i.e. repeating the strong probable prime test +// for several rounds with random bases +CRYPTOPP_DLL bool CRYPTOPP_API RabinMillerTest(RandomNumberGenerator &rng, const Integer &w, unsigned int rounds); + +// primality test, used to generate primes +CRYPTOPP_DLL bool CRYPTOPP_API IsPrime(const Integer &p); + +// more reliable than IsPrime(), used to verify primes generated by others +CRYPTOPP_DLL bool CRYPTOPP_API VerifyPrime(RandomNumberGenerator &rng, const Integer &p, unsigned int level = 1); + +class CRYPTOPP_DLL PrimeSelector +{ +public: + const PrimeSelector *GetSelectorPointer() const {return this;} + virtual bool IsAcceptable(const Integer &candidate) const =0; +}; + +// use a fast sieve to find the first probable prime in {x | p<=x<=max and x%mod==equiv} +// returns true iff successful, value of p is undefined if no such prime exists +CRYPTOPP_DLL bool CRYPTOPP_API FirstPrime(Integer &p, const Integer &max, const Integer &equiv, const Integer &mod, const PrimeSelector *pSelector); + +CRYPTOPP_DLL unsigned int CRYPTOPP_API PrimeSearchInterval(const Integer &max); + +CRYPTOPP_DLL AlgorithmParameters CRYPTOPP_API MakeParametersForTwoPrimesOfEqualSize(unsigned int productBitLength); + +// ********** other number theoretic functions ************ + +inline Integer GCD(const Integer &a, const Integer &b) + {return Integer::Gcd(a,b);} +inline bool RelativelyPrime(const Integer &a, const Integer &b) + {return Integer::Gcd(a,b) == Integer::One();} +inline Integer LCM(const Integer &a, const Integer &b) + {return a/Integer::Gcd(a,b)*b;} +inline Integer EuclideanMultiplicativeInverse(const Integer &a, const Integer &b) + {return a.InverseMod(b);} + +// use Chinese Remainder Theorem to calculate x given x mod p and x mod q, and u = inverse of p mod q +CRYPTOPP_DLL Integer CRYPTOPP_API CRT(const Integer &xp, const Integer &p, const Integer &xq, const Integer &q, const Integer &u); + +// if b is prime, then Jacobi(a, b) returns 0 if a%b==0, 1 if a is quadratic residue mod b, -1 otherwise +// check a number theory book for what Jacobi symbol means when b is not prime +CRYPTOPP_DLL int CRYPTOPP_API Jacobi(const Integer &a, const Integer &b); + +// calculates the Lucas function V_e(p, 1) mod n +CRYPTOPP_DLL Integer CRYPTOPP_API Lucas(const Integer &e, const Integer &p, const Integer &n); +// calculates x such that m==Lucas(e, x, p*q), p q primes, u=inverse of p mod q +CRYPTOPP_DLL Integer CRYPTOPP_API InverseLucas(const Integer &e, const Integer &m, const Integer &p, const Integer &q, const Integer &u); + +inline Integer ModularExponentiation(const Integer &a, const Integer &e, const Integer &m) + {return a_exp_b_mod_c(a, e, m);} +// returns x such that x*x%p == a, p prime +CRYPTOPP_DLL Integer CRYPTOPP_API ModularSquareRoot(const Integer &a, const Integer &p); +// returns x such that a==ModularExponentiation(x, e, p*q), p q primes, +// and e relatively prime to (p-1)*(q-1) +// dp=d%(p-1), dq=d%(q-1), (d is inverse of e mod (p-1)*(q-1)) +// and u=inverse of p mod q +CRYPTOPP_DLL Integer CRYPTOPP_API ModularRoot(const Integer &a, const Integer &dp, const Integer &dq, const Integer &p, const Integer &q, const Integer &u); + +// find r1 and r2 such that ax^2 + bx + c == 0 (mod p) for x in {r1, r2}, p prime +// returns true if solutions exist +CRYPTOPP_DLL bool CRYPTOPP_API SolveModularQuadraticEquation(Integer &r1, Integer &r2, const Integer &a, const Integer &b, const Integer &c, const Integer &p); + +// returns log base 2 of estimated number of operations to calculate discrete log or factor a number +CRYPTOPP_DLL unsigned int CRYPTOPP_API DiscreteLogWorkFactor(unsigned int bitlength); +CRYPTOPP_DLL unsigned int CRYPTOPP_API FactoringWorkFactor(unsigned int bitlength); + +// ******************************************************** + +//! generator of prime numbers of special forms +class CRYPTOPP_DLL PrimeAndGenerator +{ +public: + PrimeAndGenerator() {} + // generate a random prime p of the form 2*q+delta, where delta is 1 or -1 and q is also prime + // Precondition: pbits > 5 + // warning: this is slow, because primes of this form are harder to find + PrimeAndGenerator(signed int delta, RandomNumberGenerator &rng, unsigned int pbits) + {Generate(delta, rng, pbits, pbits-1);} + // generate a random prime p of the form 2*r*q+delta, where q is also prime + // Precondition: qbits > 4 && pbits > qbits + PrimeAndGenerator(signed int delta, RandomNumberGenerator &rng, unsigned int pbits, unsigned qbits) + {Generate(delta, rng, pbits, qbits);} + + void Generate(signed int delta, RandomNumberGenerator &rng, unsigned int pbits, unsigned qbits); + + const Integer& Prime() const {return p;} + const Integer& SubPrime() const {return q;} + const Integer& Generator() const {return g;} + +private: + Integer p, q, g; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/network.cpp b/CryptoPP/network.cpp new file mode 100644 index 000000000..9b7198d16 --- /dev/null +++ b/CryptoPP/network.cpp @@ -0,0 +1,550 @@ +// network.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "network.h" +#include "wait.h" + +#define CRYPTOPP_TRACE_NETWORK 0 + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef HIGHRES_TIMER_AVAILABLE + +lword LimitedBandwidth::ComputeCurrentTransceiveLimit() +{ + if (!m_maxBytesPerSecond) + return ULONG_MAX; + + double curTime = GetCurTimeAndCleanUp(); + lword total = 0; + for (OpQueue::size_type i=0; i!=m_ops.size(); ++i) + total += m_ops[i].second; + return SaturatingSubtract(m_maxBytesPerSecond, total); +} + +double LimitedBandwidth::TimeToNextTransceive() +{ + if (!m_maxBytesPerSecond) + return 0; + + if (!m_nextTransceiveTime) + ComputeNextTransceiveTime(); + + return SaturatingSubtract(m_nextTransceiveTime, m_timer.ElapsedTimeAsDouble()); +} + +void LimitedBandwidth::NoteTransceive(lword size) +{ + if (m_maxBytesPerSecond) + { + double curTime = GetCurTimeAndCleanUp(); + m_ops.push_back(std::make_pair(curTime, size)); + m_nextTransceiveTime = 0; + } +} + +void LimitedBandwidth::ComputeNextTransceiveTime() +{ + double curTime = GetCurTimeAndCleanUp(); + lword total = 0; + for (unsigned int i=0; i!=m_ops.size(); ++i) + total += m_ops[i].second; + m_nextTransceiveTime = + (total < m_maxBytesPerSecond) ? curTime : m_ops.front().first + 1000; +} + +double LimitedBandwidth::GetCurTimeAndCleanUp() +{ + if (!m_maxBytesPerSecond) + return 0; + + double curTime = m_timer.ElapsedTimeAsDouble(); + while (m_ops.size() && (m_ops.front().first + 1000 < curTime)) + m_ops.pop_front(); + return curTime; +} + +void LimitedBandwidth::GetWaitObjects(WaitObjectContainer &container, const CallStack &callStack) +{ + double nextTransceiveTime = TimeToNextTransceive(); + if (nextTransceiveTime) + container.ScheduleEvent(nextTransceiveTime, CallStack("LimitedBandwidth::GetWaitObjects()", &callStack)); +} + +// ************************************************************* + +size_t NonblockingSource::GeneralPump2( + lword& byteCount, bool blockingOutput, + unsigned long maxTime, bool checkDelimiter, byte delimiter) +{ + m_blockedBySpeedLimit = false; + + if (!GetMaxBytesPerSecond()) + { + size_t ret = DoPump(byteCount, blockingOutput, maxTime, checkDelimiter, delimiter); + m_doPumpBlocked = (ret != 0); + return ret; + } + + bool forever = (maxTime == INFINITE_TIME); + unsigned long timeToGo = maxTime; + Timer timer(Timer::MILLISECONDS, forever); + lword maxSize = byteCount; + byteCount = 0; + + timer.StartTimer(); + + while (true) + { + lword curMaxSize = UnsignedMin(ComputeCurrentTransceiveLimit(), maxSize - byteCount); + + if (curMaxSize || m_doPumpBlocked) + { + if (!forever) timeToGo = SaturatingSubtract(maxTime, timer.ElapsedTime()); + size_t ret = DoPump(curMaxSize, blockingOutput, timeToGo, checkDelimiter, delimiter); + m_doPumpBlocked = (ret != 0); + if (curMaxSize) + { + NoteTransceive(curMaxSize); + byteCount += curMaxSize; + } + if (ret) + return ret; + } + + if (maxSize != ULONG_MAX && byteCount >= maxSize) + break; + + if (!forever) + { + timeToGo = SaturatingSubtract(maxTime, timer.ElapsedTime()); + if (!timeToGo) + break; + } + + double waitTime = TimeToNextTransceive(); + if (!forever && waitTime > timeToGo) + { + m_blockedBySpeedLimit = true; + break; + } + + WaitObjectContainer container; + LimitedBandwidth::GetWaitObjects(container, CallStack("NonblockingSource::GeneralPump2() - speed limit", 0)); + container.Wait((unsigned long)waitTime); + } + + return 0; +} + +size_t NonblockingSource::PumpMessages2(unsigned int &messageCount, bool blocking) +{ + if (messageCount == 0) + return 0; + + messageCount = 0; + + lword byteCount; + do { + byteCount = LWORD_MAX; + RETURN_IF_NONZERO(Pump2(byteCount, blocking)); + } while(byteCount == LWORD_MAX); + + if (!m_messageEndSent && SourceExhausted()) + { + RETURN_IF_NONZERO(AttachedTransformation()->Put2(NULL, 0, GetAutoSignalPropagation(), true)); + m_messageEndSent = true; + messageCount = 1; + } + return 0; +} + +lword NonblockingSink::TimedFlush(unsigned long maxTime, size_t targetSize) +{ + m_blockedBySpeedLimit = false; + + size_t curBufSize = GetCurrentBufferSize(); + if (curBufSize <= targetSize && (targetSize || !EofPending())) + return 0; + + if (!GetMaxBytesPerSecond()) + return DoFlush(maxTime, targetSize); + + bool forever = (maxTime == INFINITE_TIME); + unsigned long timeToGo = maxTime; + Timer timer(Timer::MILLISECONDS, forever); + lword totalFlushed = 0; + + timer.StartTimer(); + + while (true) + { + size_t flushSize = UnsignedMin(curBufSize - targetSize, ComputeCurrentTransceiveLimit()); + if (flushSize || EofPending()) + { + if (!forever) timeToGo = SaturatingSubtract(maxTime, timer.ElapsedTime()); + size_t ret = (size_t)DoFlush(timeToGo, curBufSize - flushSize); + if (ret) + { + NoteTransceive(ret); + curBufSize -= ret; + totalFlushed += ret; + } + } + + if (curBufSize <= targetSize && (targetSize || !EofPending())) + break; + + if (!forever) + { + timeToGo = SaturatingSubtract(maxTime, timer.ElapsedTime()); + if (!timeToGo) + break; + } + + double waitTime = TimeToNextTransceive(); + if (!forever && waitTime > timeToGo) + { + m_blockedBySpeedLimit = true; + break; + } + + WaitObjectContainer container; + LimitedBandwidth::GetWaitObjects(container, CallStack("NonblockingSink::TimedFlush() - speed limit", 0)); + container.Wait((unsigned long)waitTime); + } + + return totalFlushed; +} + +bool NonblockingSink::IsolatedFlush(bool hardFlush, bool blocking) +{ + TimedFlush(blocking ? INFINITE_TIME : 0); + return hardFlush && (!!GetCurrentBufferSize() || EofPending()); +} + +// ************************************************************* + +NetworkSource::NetworkSource(BufferedTransformation *attachment) + : NonblockingSource(attachment), m_buf(1024*16) + , m_waitingForResult(false), m_outputBlocked(false) + , m_dataBegin(0), m_dataEnd(0) +{ +} + +unsigned int NetworkSource::GetMaxWaitObjectCount() const +{ + return LimitedBandwidth::GetMaxWaitObjectCount() + + GetReceiver().GetMaxWaitObjectCount() + + AttachedTransformation()->GetMaxWaitObjectCount(); +} + +void NetworkSource::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (BlockedBySpeedLimit()) + LimitedBandwidth::GetWaitObjects(container, CallStack("NetworkSource::GetWaitObjects() - speed limit", &callStack)); + else if (!m_outputBlocked) + { + if (m_dataBegin == m_dataEnd) + AccessReceiver().GetWaitObjects(container, CallStack("NetworkSource::GetWaitObjects() - no data", &callStack)); + else + container.SetNoWait(CallStack("NetworkSource::GetWaitObjects() - have data", &callStack)); + } + + AttachedTransformation()->GetWaitObjects(container, CallStack("NetworkSource::GetWaitObjects() - attachment", &callStack)); +} + +size_t NetworkSource::DoPump(lword &byteCount, bool blockingOutput, unsigned long maxTime, bool checkDelimiter, byte delimiter) +{ + NetworkReceiver &receiver = AccessReceiver(); + + lword maxSize = byteCount; + byteCount = 0; + bool forever = maxTime == INFINITE_TIME; + Timer timer(Timer::MILLISECONDS, forever); + BufferedTransformation *t = AttachedTransformation(); + + if (m_outputBlocked) + goto DoOutput; + + while (true) + { + if (m_dataBegin == m_dataEnd) + { + if (receiver.EofReceived()) + break; + + if (m_waitingForResult) + { + if (receiver.MustWaitForResult() && + !receiver.Wait(SaturatingSubtract(maxTime, timer.ElapsedTime()), + CallStack("NetworkSource::DoPump() - wait receive result", 0))) + break; + + unsigned int recvResult = receiver.GetReceiveResult(); +#if CRYPTOPP_TRACE_NETWORK + OutputDebugString((IntToString((unsigned int)this) + ": Received " + IntToString(recvResult) + " bytes\n").c_str()); +#endif + m_dataEnd += recvResult; + m_waitingForResult = false; + + if (!receiver.MustWaitToReceive() && !receiver.EofReceived() && m_dataEnd != m_buf.size()) + goto ReceiveNoWait; + } + else + { + m_dataEnd = m_dataBegin = 0; + + if (receiver.MustWaitToReceive()) + { + if (!receiver.Wait(SaturatingSubtract(maxTime, timer.ElapsedTime()), + CallStack("NetworkSource::DoPump() - wait receive", 0))) + break; + + receiver.Receive(m_buf+m_dataEnd, m_buf.size()-m_dataEnd); + m_waitingForResult = true; + } + else + { +ReceiveNoWait: + m_waitingForResult = true; + // call Receive repeatedly as long as data is immediately available, + // because some receivers tend to return data in small pieces +#if CRYPTOPP_TRACE_NETWORK + OutputDebugString((IntToString((unsigned int)this) + ": Receiving " + IntToString(m_buf.size()-m_dataEnd) + " bytes\n").c_str()); +#endif + while (receiver.Receive(m_buf+m_dataEnd, m_buf.size()-m_dataEnd)) + { + unsigned int recvResult = receiver.GetReceiveResult(); +#if CRYPTOPP_TRACE_NETWORK + OutputDebugString((IntToString((unsigned int)this) + ": Received " + IntToString(recvResult) + " bytes\n").c_str()); +#endif + m_dataEnd += recvResult; + if (receiver.EofReceived() || m_dataEnd > m_buf.size() /2) + { + m_waitingForResult = false; + break; + } + } + } + } + } + else + { + m_putSize = UnsignedMin(m_dataEnd - m_dataBegin, maxSize - byteCount); + + if (checkDelimiter) + m_putSize = std::find(m_buf+m_dataBegin, m_buf+m_dataBegin+m_putSize, delimiter) - (m_buf+m_dataBegin); + +DoOutput: + size_t result = t->PutModifiable2(m_buf+m_dataBegin, m_putSize, 0, forever || blockingOutput); + if (result) + { + if (t->Wait(SaturatingSubtract(maxTime, timer.ElapsedTime()), + CallStack("NetworkSource::DoPump() - wait attachment", 0))) + goto DoOutput; + else + { + m_outputBlocked = true; + return result; + } + } + m_outputBlocked = false; + + byteCount += m_putSize; + m_dataBegin += m_putSize; + if (checkDelimiter && m_dataBegin < m_dataEnd && m_buf[m_dataBegin] == delimiter) + break; + if (maxSize != ULONG_MAX && byteCount == maxSize) + break; + // once time limit is reached, return even if there is more data waiting + // but make 0 a special case so caller can request a large amount of data to be + // pumped as long as it is immediately available + if (maxTime > 0 && timer.ElapsedTime() > maxTime) + break; + } + } + + return 0; +} + +// ************************************************************* + +NetworkSink::NetworkSink(unsigned int maxBufferSize, unsigned int autoFlushBound) + : m_maxBufferSize(maxBufferSize), m_autoFlushBound(autoFlushBound) + , m_needSendResult(false), m_wasBlocked(false), m_eofState(EOF_NONE) + , m_buffer(STDMIN(16U*1024U+256, maxBufferSize)), m_skipBytes(0) + , m_speedTimer(Timer::MILLISECONDS), m_byteCountSinceLastTimerReset(0) + , m_currentSpeed(0), m_maxObservedSpeed(0) +{ +} + +float NetworkSink::ComputeCurrentSpeed() +{ + if (m_speedTimer.ElapsedTime() > 1000) + { + m_currentSpeed = m_byteCountSinceLastTimerReset * 1000 / m_speedTimer.ElapsedTime(); + m_maxObservedSpeed = STDMAX(m_currentSpeed, m_maxObservedSpeed * 0.98f); + m_byteCountSinceLastTimerReset = 0; + m_speedTimer.StartTimer(); +// OutputDebugString(("max speed: " + IntToString((int)m_maxObservedSpeed) + " current speed: " + IntToString((int)m_currentSpeed) + "\n").c_str()); + } + return m_currentSpeed; +} + +float NetworkSink::GetMaxObservedSpeed() const +{ + lword m = GetMaxBytesPerSecond(); + return m ? STDMIN(m_maxObservedSpeed, float(CRYPTOPP_VC6_INT64 m)) : m_maxObservedSpeed; +} + +unsigned int NetworkSink::GetMaxWaitObjectCount() const +{ + return LimitedBandwidth::GetMaxWaitObjectCount() + GetSender().GetMaxWaitObjectCount(); +} + +void NetworkSink::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (BlockedBySpeedLimit()) + LimitedBandwidth::GetWaitObjects(container, CallStack("NetworkSink::GetWaitObjects() - speed limit", &callStack)); + else if (m_wasBlocked) + AccessSender().GetWaitObjects(container, CallStack("NetworkSink::GetWaitObjects() - was blocked", &callStack)); + else if (!m_buffer.IsEmpty()) + AccessSender().GetWaitObjects(container, CallStack("NetworkSink::GetWaitObjects() - buffer not empty", &callStack)); + else if (EofPending()) + AccessSender().GetWaitObjects(container, CallStack("NetworkSink::GetWaitObjects() - EOF pending", &callStack)); +} + +size_t NetworkSink::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + if (m_eofState == EOF_DONE) + { + if (length || messageEnd) + throw Exception(Exception::OTHER_ERROR, "NetworkSink::Put2() being called after EOF had been sent"); + + return 0; + } + + if (m_eofState > EOF_NONE) + goto EofSite; + + { + if (m_skipBytes) + { + assert(length >= m_skipBytes); + inString += m_skipBytes; + length -= m_skipBytes; + } + + m_buffer.Put(inString, length); + + if (!blocking || m_buffer.CurrentSize() > m_autoFlushBound) + TimedFlush(0, 0); + + size_t targetSize = messageEnd ? 0 : m_maxBufferSize; + if (blocking) + TimedFlush(INFINITE_TIME, targetSize); + + if (m_buffer.CurrentSize() > targetSize) + { + assert(!blocking); + m_wasBlocked = true; + m_skipBytes += length; + size_t blockedBytes = UnsignedMin(length, m_buffer.CurrentSize() - targetSize); + return STDMAX<size_t>(blockedBytes, 1); + } + + m_wasBlocked = false; + m_skipBytes = 0; + } + + if (messageEnd) + { + m_eofState = EOF_PENDING_SEND; + + EofSite: + TimedFlush(blocking ? INFINITE_TIME : 0, 0); + if (m_eofState != EOF_DONE) + return 1; + } + + return 0; +} + +lword NetworkSink::DoFlush(unsigned long maxTime, size_t targetSize) +{ + NetworkSender &sender = AccessSender(); + + bool forever = maxTime == INFINITE_TIME; + Timer timer(Timer::MILLISECONDS, forever); + unsigned int totalFlushSize = 0; + + while (true) + { + if (m_buffer.CurrentSize() <= targetSize) + break; + + if (m_needSendResult) + { + if (sender.MustWaitForResult() && + !sender.Wait(SaturatingSubtract(maxTime, timer.ElapsedTime()), + CallStack("NetworkSink::DoFlush() - wait send result", 0))) + break; + + unsigned int sendResult = sender.GetSendResult(); +#if CRYPTOPP_TRACE_NETWORK + OutputDebugString((IntToString((unsigned int)this) + ": Sent " + IntToString(sendResult) + " bytes\n").c_str()); +#endif + m_buffer.Skip(sendResult); + totalFlushSize += sendResult; + m_needSendResult = false; + + if (!m_buffer.AnyRetrievable()) + break; + } + + unsigned long timeOut = maxTime ? SaturatingSubtract(maxTime, timer.ElapsedTime()) : 0; + if (sender.MustWaitToSend() && !sender.Wait(timeOut, CallStack("NetworkSink::DoFlush() - wait send", 0))) + break; + + size_t contiguousSize = 0; + const byte *block = m_buffer.Spy(contiguousSize); + +#if CRYPTOPP_TRACE_NETWORK + OutputDebugString((IntToString((unsigned int)this) + ": Sending " + IntToString(contiguousSize) + " bytes\n").c_str()); +#endif + sender.Send(block, contiguousSize); + m_needSendResult = true; + + if (maxTime > 0 && timeOut == 0) + break; // once time limit is reached, return even if there is more data waiting + } + + m_byteCountSinceLastTimerReset += totalFlushSize; + ComputeCurrentSpeed(); + + if (m_buffer.IsEmpty() && !m_needSendResult) + { + if (m_eofState == EOF_PENDING_SEND) + { + sender.SendEof(); + m_eofState = sender.MustWaitForEof() ? EOF_PENDING_DELIVERY : EOF_DONE; + } + + while (m_eofState == EOF_PENDING_DELIVERY) + { + unsigned long timeOut = maxTime ? SaturatingSubtract(maxTime, timer.ElapsedTime()) : 0; + if (!sender.Wait(timeOut, CallStack("NetworkSink::DoFlush() - wait EOF", 0))) + break; + + if (sender.EofSent()) + m_eofState = EOF_DONE; + } + } + + return totalFlushSize; +} + +#endif // #ifdef HIGHRES_TIMER_AVAILABLE + +NAMESPACE_END diff --git a/CryptoPP/network.h b/CryptoPP/network.h new file mode 100644 index 000000000..96cd4567e --- /dev/null +++ b/CryptoPP/network.h @@ -0,0 +1,235 @@ +#ifndef CRYPTOPP_NETWORK_H +#define CRYPTOPP_NETWORK_H + +#include "config.h" + +#ifdef HIGHRES_TIMER_AVAILABLE + +#include "filters.h" +#include "hrtimer.h" + +#include <deque> + +NAMESPACE_BEGIN(CryptoPP) + +class LimitedBandwidth +{ +public: + LimitedBandwidth(lword maxBytesPerSecond = 0) + : m_maxBytesPerSecond(maxBytesPerSecond), m_timer(Timer::MILLISECONDS) + , m_nextTransceiveTime(0) + { m_timer.StartTimer(); } + + lword GetMaxBytesPerSecond() const + { return m_maxBytesPerSecond; } + + void SetMaxBytesPerSecond(lword v) + { m_maxBytesPerSecond = v; } + + lword ComputeCurrentTransceiveLimit(); + + double TimeToNextTransceive(); + + void NoteTransceive(lword size); + +public: + /*! GetWaitObjects() must be called despite the 0 return from GetMaxWaitObjectCount(); + the 0 is because the ScheduleEvent() method is used instead of adding a wait object */ + unsigned int GetMaxWaitObjectCount() const { return 0; } + void GetWaitObjects(WaitObjectContainer &container, const CallStack &callStack); + +private: + lword m_maxBytesPerSecond; + + typedef std::deque<std::pair<double, lword> > OpQueue; + OpQueue m_ops; + + Timer m_timer; + double m_nextTransceiveTime; + + void ComputeNextTransceiveTime(); + double GetCurTimeAndCleanUp(); +}; + +//! a Source class that can pump from a device for a specified amount of time. +class CRYPTOPP_NO_VTABLE NonblockingSource : public AutoSignaling<Source>, public LimitedBandwidth +{ +public: + NonblockingSource(BufferedTransformation *attachment) + : m_messageEndSent(false) , m_doPumpBlocked(false), m_blockedBySpeedLimit(false) {Detach(attachment);} + + //! \name NONBLOCKING SOURCE + //@{ + + //! pump up to maxSize bytes using at most maxTime milliseconds + /*! If checkDelimiter is true, pump up to delimiter, which itself is not extracted or pumped. */ + size_t GeneralPump2(lword &byteCount, bool blockingOutput=true, unsigned long maxTime=INFINITE_TIME, bool checkDelimiter=false, byte delimiter='\n'); + + lword GeneralPump(lword maxSize=LWORD_MAX, unsigned long maxTime=INFINITE_TIME, bool checkDelimiter=false, byte delimiter='\n') + { + GeneralPump2(maxSize, true, maxTime, checkDelimiter, delimiter); + return maxSize; + } + lword TimedPump(unsigned long maxTime) + {return GeneralPump(LWORD_MAX, maxTime);} + lword PumpLine(byte delimiter='\n', lword maxSize=1024) + {return GeneralPump(maxSize, INFINITE_TIME, true, delimiter);} + + size_t Pump2(lword &byteCount, bool blocking=true) + {return GeneralPump2(byteCount, blocking, blocking ? INFINITE_TIME : 0);} + size_t PumpMessages2(unsigned int &messageCount, bool blocking=true); + //@} + +protected: + virtual size_t DoPump(lword &byteCount, bool blockingOutput, + unsigned long maxTime, bool checkDelimiter, byte delimiter) =0; + + bool BlockedBySpeedLimit() const { return m_blockedBySpeedLimit; } + +private: + bool m_messageEndSent, m_doPumpBlocked, m_blockedBySpeedLimit; +}; + +//! Network Receiver +class CRYPTOPP_NO_VTABLE NetworkReceiver : public Waitable +{ +public: + virtual bool MustWaitToReceive() {return false;} + virtual bool MustWaitForResult() {return false;} + //! receive data from network source, returns whether result is immediately available + virtual bool Receive(byte* buf, size_t bufLen) =0; + virtual unsigned int GetReceiveResult() =0; + virtual bool EofReceived() const =0; +}; + +class CRYPTOPP_NO_VTABLE NonblockingSinkInfo +{ +public: + virtual ~NonblockingSinkInfo() {} + virtual size_t GetMaxBufferSize() const =0; + virtual size_t GetCurrentBufferSize() const =0; + virtual bool EofPending() const =0; + //! compute the current speed of this sink in bytes per second + virtual float ComputeCurrentSpeed() =0; + //! get the maximum observed speed of this sink in bytes per second + virtual float GetMaxObservedSpeed() const =0; +}; + +//! a Sink class that queues input and can flush to a device for a specified amount of time. +class CRYPTOPP_NO_VTABLE NonblockingSink : public Sink, public NonblockingSinkInfo, public LimitedBandwidth +{ +public: + NonblockingSink() : m_blockedBySpeedLimit(false) {} + + bool IsolatedFlush(bool hardFlush, bool blocking); + + //! flush to device for no more than maxTime milliseconds + /*! This function will repeatedly attempt to flush data to some device, until + the queue is empty, or a total of maxTime milliseconds have elapsed. + If maxTime == 0, at least one attempt will be made to flush some data, but + it is likely that not all queued data will be flushed, even if the device + is ready to receive more data without waiting. If you want to flush as much data + as possible without waiting for the device, call this function in a loop. + For example: while (sink.TimedFlush(0) > 0) {} + \return number of bytes flushed + */ + lword TimedFlush(unsigned long maxTime, size_t targetSize = 0); + + virtual void SetMaxBufferSize(size_t maxBufferSize) =0; + //! set a bound which will cause sink to flush if exceeded by GetCurrentBufferSize() + virtual void SetAutoFlushBound(size_t bound) =0; + +protected: + virtual lword DoFlush(unsigned long maxTime, size_t targetSize) = 0; + + bool BlockedBySpeedLimit() const { return m_blockedBySpeedLimit; } + +private: + bool m_blockedBySpeedLimit; +}; + +//! Network Sender +class CRYPTOPP_NO_VTABLE NetworkSender : public Waitable +{ +public: + virtual bool MustWaitToSend() {return false;} + virtual bool MustWaitForResult() {return false;} + virtual void Send(const byte* buf, size_t bufLen) =0; + virtual unsigned int GetSendResult() =0; + virtual bool MustWaitForEof() {return false;} + virtual void SendEof() =0; + virtual bool EofSent() {return false;} // implement if MustWaitForEof() == true +}; + +//! Network Source +class CRYPTOPP_NO_VTABLE NetworkSource : public NonblockingSource +{ +public: + NetworkSource(BufferedTransformation *attachment); + + unsigned int GetMaxWaitObjectCount() const; + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + + bool SourceExhausted() const {return m_dataBegin == m_dataEnd && GetReceiver().EofReceived();} + +protected: + size_t DoPump(lword &byteCount, bool blockingOutput, unsigned long maxTime, bool checkDelimiter, byte delimiter); + + virtual NetworkReceiver & AccessReceiver() =0; + const NetworkReceiver & GetReceiver() const {return const_cast<NetworkSource *>(this)->AccessReceiver();} + +private: + SecByteBlock m_buf; + size_t m_putSize, m_dataBegin, m_dataEnd; + bool m_waitingForResult, m_outputBlocked; +}; + +//! Network Sink +class CRYPTOPP_NO_VTABLE NetworkSink : public NonblockingSink +{ +public: + NetworkSink(unsigned int maxBufferSize, unsigned int autoFlushBound); + + unsigned int GetMaxWaitObjectCount() const; + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking); + + void SetMaxBufferSize(size_t maxBufferSize) {m_maxBufferSize = maxBufferSize; m_buffer.SetNodeSize(UnsignedMin(maxBufferSize, 16U*1024U+256U));} + void SetAutoFlushBound(size_t bound) {m_autoFlushBound = bound;} + + size_t GetMaxBufferSize() const {return m_maxBufferSize;} + size_t GetCurrentBufferSize() const {return (size_t)m_buffer.CurrentSize();} + + void ClearBuffer() { m_buffer.Clear(); } + + bool EofPending() const { return m_eofState > EOF_NONE && m_eofState < EOF_DONE; } + + //! compute the current speed of this sink in bytes per second + float ComputeCurrentSpeed(); + //! get the maximum observed speed of this sink in bytes per second + float GetMaxObservedSpeed() const; + +protected: + lword DoFlush(unsigned long maxTime, size_t targetSize); + + virtual NetworkSender & AccessSender() =0; + const NetworkSender & GetSender() const {return const_cast<NetworkSink *>(this)->AccessSender();} + +private: + enum EofState { EOF_NONE, EOF_PENDING_SEND, EOF_PENDING_DELIVERY, EOF_DONE }; + + size_t m_maxBufferSize, m_autoFlushBound; + bool m_needSendResult, m_wasBlocked; + EofState m_eofState; + ByteQueue m_buffer; + size_t m_skipBytes; + Timer m_speedTimer; + float m_byteCountSinceLastTimerReset, m_currentSpeed, m_maxObservedSpeed; +}; + +NAMESPACE_END + +#endif // #ifdef HIGHRES_TIMER_AVAILABLE + +#endif diff --git a/CryptoPP/nr.h b/CryptoPP/nr.h new file mode 100644 index 000000000..c398e3550 --- /dev/null +++ b/CryptoPP/nr.h @@ -0,0 +1,6 @@ +#ifndef CRYPTOPP_NR_H +#define CRYPTOPP_NR_H + +#include "gfpcrypt.h" + +#endif diff --git a/CryptoPP/oaep.cpp b/CryptoPP/oaep.cpp new file mode 100644 index 000000000..1d474be52 --- /dev/null +++ b/CryptoPP/oaep.cpp @@ -0,0 +1,97 @@ +// oaep.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "oaep.h" +#include <functional> + +NAMESPACE_BEGIN(CryptoPP) + +// ******************************************************** + +size_t OAEP_Base::MaxUnpaddedLength(size_t paddedLength) const +{ + return SaturatingSubtract(paddedLength/8, 1+2*DigestSize()); +} + +void OAEP_Base::Pad(RandomNumberGenerator &rng, const byte *input, size_t inputLength, byte *oaepBlock, size_t oaepBlockLen, const NameValuePairs ¶meters) const +{ + assert (inputLength <= MaxUnpaddedLength(oaepBlockLen)); + + // convert from bit length to byte length + if (oaepBlockLen % 8 != 0) + { + oaepBlock[0] = 0; + oaepBlock++; + } + oaepBlockLen /= 8; + + std::auto_ptr<HashTransformation> pHash(NewHash()); + const size_t hLen = pHash->DigestSize(); + const size_t seedLen = hLen, dbLen = oaepBlockLen-seedLen; + byte *const maskedSeed = oaepBlock; + byte *const maskedDB = oaepBlock+seedLen; + + ConstByteArrayParameter encodingParameters; + parameters.GetValue(Name::EncodingParameters(), encodingParameters); + + // DB = pHash || 00 ... || 01 || M + pHash->CalculateDigest(maskedDB, encodingParameters.begin(), encodingParameters.size()); + memset(maskedDB+hLen, 0, dbLen-hLen-inputLength-1); + maskedDB[dbLen-inputLength-1] = 0x01; + memcpy(maskedDB+dbLen-inputLength, input, inputLength); + + rng.GenerateBlock(maskedSeed, seedLen); + std::auto_ptr<MaskGeneratingFunction> pMGF(NewMGF()); + pMGF->GenerateAndMask(*pHash, maskedDB, dbLen, maskedSeed, seedLen); + pMGF->GenerateAndMask(*pHash, maskedSeed, seedLen, maskedDB, dbLen); +} + +DecodingResult OAEP_Base::Unpad(const byte *oaepBlock, size_t oaepBlockLen, byte *output, const NameValuePairs ¶meters) const +{ + bool invalid = false; + + // convert from bit length to byte length + if (oaepBlockLen % 8 != 0) + { + invalid = (oaepBlock[0] != 0) || invalid; + oaepBlock++; + } + oaepBlockLen /= 8; + + std::auto_ptr<HashTransformation> pHash(NewHash()); + const size_t hLen = pHash->DigestSize(); + const size_t seedLen = hLen, dbLen = oaepBlockLen-seedLen; + + invalid = (oaepBlockLen < 2*hLen+1) || invalid; + + SecByteBlock t(oaepBlock, oaepBlockLen); + byte *const maskedSeed = t; + byte *const maskedDB = t+seedLen; + + std::auto_ptr<MaskGeneratingFunction> pMGF(NewMGF()); + pMGF->GenerateAndMask(*pHash, maskedSeed, seedLen, maskedDB, dbLen); + pMGF->GenerateAndMask(*pHash, maskedDB, dbLen, maskedSeed, seedLen); + + ConstByteArrayParameter encodingParameters; + parameters.GetValue(Name::EncodingParameters(), encodingParameters); + + // DB = pHash' || 00 ... || 01 || M + byte *M = std::find(maskedDB+hLen, maskedDB+dbLen, 0x01); + invalid = (M == maskedDB+dbLen) || invalid; + invalid = (std::find_if(maskedDB+hLen, M, std::bind2nd(std::not_equal_to<byte>(), 0)) != M) || invalid; + invalid = !pHash->VerifyDigest(maskedDB, encodingParameters.begin(), encodingParameters.size()) || invalid; + + if (invalid) + return DecodingResult(); + + M++; + memcpy(output, M, maskedDB+dbLen-M); + return DecodingResult(maskedDB+dbLen-M); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/oaep.h b/CryptoPP/oaep.h new file mode 100644 index 000000000..4bf6b0d83 --- /dev/null +++ b/CryptoPP/oaep.h @@ -0,0 +1,42 @@ +#ifndef CRYPTOPP_OAEP_H +#define CRYPTOPP_OAEP_H + +#include "pubkey.h" +#include "sha.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL OAEP_Base : public PK_EncryptionMessageEncodingMethod +{ +public: + bool ParameterSupported(const char *name) const {return strcmp(name, Name::EncodingParameters()) == 0;} + size_t MaxUnpaddedLength(size_t paddedLength) const; + void Pad(RandomNumberGenerator &rng, const byte *raw, size_t inputLength, byte *padded, size_t paddedLength, const NameValuePairs ¶meters) const; + DecodingResult Unpad(const byte *padded, size_t paddedLength, byte *raw, const NameValuePairs ¶meters) const; + +protected: + virtual unsigned int DigestSize() const =0; + virtual HashTransformation * NewHash() const =0; + virtual MaskGeneratingFunction * NewMGF() const =0; +}; + +//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with classes derived from TF_ES +template <class H, class MGF=P1363_MGF1> +class OAEP : public OAEP_Base, public EncryptionStandard +{ +public: + static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string("OAEP-") + MGF::StaticAlgorithmName() + "(" + H::StaticAlgorithmName() + ")";} + typedef OAEP<H, MGF> EncryptionMessageEncodingMethod; + +protected: + unsigned int DigestSize() const {return H::DIGESTSIZE;} + HashTransformation * NewHash() const {return new H;} + MaskGeneratingFunction * NewMGF() const {return new MGF;} +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS OAEP<SHA>; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/oids.h b/CryptoPP/oids.h new file mode 100644 index 000000000..8b1030150 --- /dev/null +++ b/CryptoPP/oids.h @@ -0,0 +1,123 @@ +#ifndef CRYPTOPP_OIDS_H +#define CRYPTOPP_OIDS_H + +// crypto-related ASN.1 object identifiers + +#include "asn.h" + +NAMESPACE_BEGIN(CryptoPP) + +NAMESPACE_BEGIN(ASN1) + +#define DEFINE_OID(value, name) inline OID name() {return value;} + +DEFINE_OID(1, iso) + DEFINE_OID(iso()+2, member_body) + DEFINE_OID(member_body()+840, iso_us) + DEFINE_OID(iso_us()+10040, ansi_x9_57) + DEFINE_OID(ansi_x9_57()+4+1, id_dsa) + DEFINE_OID(iso_us()+10045, ansi_x9_62) + DEFINE_OID(ansi_x9_62()+1, id_fieldType) + DEFINE_OID(id_fieldType()+1, prime_field) + DEFINE_OID(id_fieldType()+2, characteristic_two_field) + DEFINE_OID(characteristic_two_field()+3, id_characteristic_two_basis) + DEFINE_OID(id_characteristic_two_basis()+1, gnBasis) + DEFINE_OID(id_characteristic_two_basis()+2, tpBasis) + DEFINE_OID(id_characteristic_two_basis()+3, ppBasis) + DEFINE_OID(ansi_x9_62()+2, id_publicKeyType) + DEFINE_OID(id_publicKeyType()+1, id_ecPublicKey) + DEFINE_OID(ansi_x9_62()+3, ansi_x9_62_curves) + DEFINE_OID(ansi_x9_62_curves()+1, ansi_x9_62_curves_prime) + DEFINE_OID(ansi_x9_62_curves_prime()+1, secp192r1) + DEFINE_OID(ansi_x9_62_curves_prime()+7, secp256r1) + DEFINE_OID(iso_us()+113549, rsadsi) + DEFINE_OID(rsadsi()+1, pkcs) + DEFINE_OID(pkcs()+1, pkcs_1) + DEFINE_OID(pkcs_1()+1, rsaEncryption); + DEFINE_OID(rsadsi()+2, rsadsi_digestAlgorithm) + DEFINE_OID(rsadsi_digestAlgorithm()+2, id_md2) + DEFINE_OID(rsadsi_digestAlgorithm()+5, id_md5) + DEFINE_OID(iso()+3, identified_organization); + DEFINE_OID(identified_organization()+14, oiw); + DEFINE_OID(oiw()+3, oiw_secsig); + DEFINE_OID(oiw_secsig()+2, oiw_secsig_algorithms); + DEFINE_OID(oiw_secsig_algorithms()+26, id_sha1); + + DEFINE_OID(identified_organization()+36, teletrust); + DEFINE_OID(teletrust()+3, teletrust_algorithm) + DEFINE_OID(teletrust_algorithm()+2+1, id_ripemd160) + DEFINE_OID(teletrust_algorithm()+3+2+8+1, teletrust_ellipticCurve) + DEFINE_OID(teletrust_ellipticCurve()+1+1, brainpoolP160r1) + DEFINE_OID(teletrust_ellipticCurve()+1+3, brainpoolP192r1) + DEFINE_OID(teletrust_ellipticCurve()+1+5, brainpoolP224r1) + DEFINE_OID(teletrust_ellipticCurve()+1+7, brainpoolP256r1) + DEFINE_OID(teletrust_ellipticCurve()+1+9, brainpoolP320r1) + DEFINE_OID(teletrust_ellipticCurve()+1+11, brainpoolP384r1) + DEFINE_OID(teletrust_ellipticCurve()+1+13, brainpoolP512r1) + + DEFINE_OID(identified_organization()+132, certicom); + DEFINE_OID(certicom()+0, certicom_ellipticCurve); + // these are sorted by curve type and then by OID + // first curves based on GF(p) + DEFINE_OID(certicom_ellipticCurve()+6, secp112r1); + DEFINE_OID(certicom_ellipticCurve()+7, secp112r2); + DEFINE_OID(certicom_ellipticCurve()+8, secp160r1); + DEFINE_OID(certicom_ellipticCurve()+9, secp160k1); + DEFINE_OID(certicom_ellipticCurve()+10, secp256k1); + DEFINE_OID(certicom_ellipticCurve()+28, secp128r1); + DEFINE_OID(certicom_ellipticCurve()+29, secp128r2); + DEFINE_OID(certicom_ellipticCurve()+30, secp160r2); + DEFINE_OID(certicom_ellipticCurve()+31, secp192k1); + DEFINE_OID(certicom_ellipticCurve()+32, secp224k1); + DEFINE_OID(certicom_ellipticCurve()+33, secp224r1); + DEFINE_OID(certicom_ellipticCurve()+34, secp384r1); + DEFINE_OID(certicom_ellipticCurve()+35, secp521r1); + // then curves based on GF(2^n) + DEFINE_OID(certicom_ellipticCurve()+1, sect163k1); + DEFINE_OID(certicom_ellipticCurve()+2, sect163r1); + DEFINE_OID(certicom_ellipticCurve()+3, sect239k1); + DEFINE_OID(certicom_ellipticCurve()+4, sect113r1); + DEFINE_OID(certicom_ellipticCurve()+5, sect113r2); + DEFINE_OID(certicom_ellipticCurve()+15, sect163r2); + DEFINE_OID(certicom_ellipticCurve()+16, sect283k1); + DEFINE_OID(certicom_ellipticCurve()+17, sect283r1); + DEFINE_OID(certicom_ellipticCurve()+22, sect131r1); + DEFINE_OID(certicom_ellipticCurve()+23, sect131r2); + DEFINE_OID(certicom_ellipticCurve()+24, sect193r1); + DEFINE_OID(certicom_ellipticCurve()+25, sect193r2); + DEFINE_OID(certicom_ellipticCurve()+26, sect233k1); + DEFINE_OID(certicom_ellipticCurve()+27, sect233r1); + DEFINE_OID(certicom_ellipticCurve()+36, sect409k1); + DEFINE_OID(certicom_ellipticCurve()+37, sect409r1); + DEFINE_OID(certicom_ellipticCurve()+38, sect571k1); + DEFINE_OID(certicom_ellipticCurve()+39, sect571r1); +DEFINE_OID(2, joint_iso_ccitt) + DEFINE_OID(joint_iso_ccitt()+16, country) + DEFINE_OID(country()+840, joint_iso_ccitt_us) + DEFINE_OID(joint_iso_ccitt_us()+1, us_organization) + DEFINE_OID(us_organization()+101, us_gov) + DEFINE_OID(us_gov()+3, csor) + DEFINE_OID(csor()+4, nistalgorithms) + DEFINE_OID(nistalgorithms()+1, aes) + DEFINE_OID(aes()+1, id_aes128_ECB) + DEFINE_OID(aes()+2, id_aes128_cbc) + DEFINE_OID(aes()+3, id_aes128_ofb) + DEFINE_OID(aes()+4, id_aes128_cfb) + DEFINE_OID(aes()+21, id_aes192_ECB) + DEFINE_OID(aes()+22, id_aes192_cbc) + DEFINE_OID(aes()+23, id_aes192_ofb) + DEFINE_OID(aes()+24, id_aes192_cfb) + DEFINE_OID(aes()+41, id_aes256_ECB) + DEFINE_OID(aes()+42, id_aes256_cbc) + DEFINE_OID(aes()+43, id_aes256_ofb) + DEFINE_OID(aes()+44, id_aes256_cfb) + DEFINE_OID(nistalgorithms()+2, nist_hashalgs) + DEFINE_OID(nist_hashalgs()+1, id_sha256) + DEFINE_OID(nist_hashalgs()+2, id_sha384) + DEFINE_OID(nist_hashalgs()+3, id_sha512) + +NAMESPACE_END + +NAMESPACE_END + +#endif diff --git a/CryptoPP/osrng.cpp b/CryptoPP/osrng.cpp new file mode 100644 index 000000000..fa6dd36dd --- /dev/null +++ b/CryptoPP/osrng.cpp @@ -0,0 +1,171 @@ +// osrng.cpp - written and placed in the public domain by Wei Dai + +// Thanks to Leonard Janke for the suggestion for AutoSeededRandomPool. + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "osrng.h" + +#ifdef OS_RNG_AVAILABLE + +#include "rng.h" + +#ifdef CRYPTOPP_WIN32_AVAILABLE +#ifndef _WIN32_WINNT +#define _WIN32_WINNT 0x0400 +#endif +#include <windows.h> +#include <wincrypt.h> +#endif + +#ifdef CRYPTOPP_UNIX_AVAILABLE +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#if defined(NONBLOCKING_RNG_AVAILABLE) || defined(BLOCKING_RNG_AVAILABLE) +OS_RNG_Err::OS_RNG_Err(const std::string &operation) + : Exception(OTHER_ERROR, "OS_Rng: " + operation + " operation failed with error " + +#ifdef CRYPTOPP_WIN32_AVAILABLE + "0x" + IntToString(GetLastError(), 16) +#else + IntToString(errno) +#endif + ) +{ +} +#endif + +#ifdef NONBLOCKING_RNG_AVAILABLE + +#ifdef CRYPTOPP_WIN32_AVAILABLE + +MicrosoftCryptoProvider::MicrosoftCryptoProvider() +{ + if(!CryptAcquireContext(&m_hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) + throw OS_RNG_Err("CryptAcquireContext"); +} + +MicrosoftCryptoProvider::~MicrosoftCryptoProvider() +{ + CryptReleaseContext(m_hProvider, 0); +} + +#endif + +NonblockingRng::NonblockingRng() +{ +#ifndef CRYPTOPP_WIN32_AVAILABLE + m_fd = open("/dev/urandom",O_RDONLY); + if (m_fd == -1) + throw OS_RNG_Err("open /dev/urandom"); +#endif +} + +NonblockingRng::~NonblockingRng() +{ +#ifndef CRYPTOPP_WIN32_AVAILABLE + close(m_fd); +#endif +} + +void NonblockingRng::GenerateBlock(byte *output, size_t size) +{ +#ifdef CRYPTOPP_WIN32_AVAILABLE +# ifdef WORKAROUND_MS_BUG_Q258000 + const MicrosoftCryptoProvider &m_Provider = Singleton<MicrosoftCryptoProvider>().Ref(); +# endif + if (!CryptGenRandom(m_Provider.GetProviderHandle(), (DWORD)size, output)) + throw OS_RNG_Err("CryptGenRandom"); +#else + if (read(m_fd, output, size) != size) + throw OS_RNG_Err("read /dev/urandom"); +#endif +} + +#endif + +// ************************************************************* + +#ifdef BLOCKING_RNG_AVAILABLE + +#ifndef CRYPTOPP_BLOCKING_RNG_FILENAME +#ifdef __OpenBSD__ +#define CRYPTOPP_BLOCKING_RNG_FILENAME "/dev/srandom" +#else +#define CRYPTOPP_BLOCKING_RNG_FILENAME "/dev/random" +#endif +#endif + +BlockingRng::BlockingRng() +{ + m_fd = open(CRYPTOPP_BLOCKING_RNG_FILENAME,O_RDONLY); + if (m_fd == -1) + throw OS_RNG_Err("open " CRYPTOPP_BLOCKING_RNG_FILENAME); +} + +BlockingRng::~BlockingRng() +{ + close(m_fd); +} + +void BlockingRng::GenerateBlock(byte *output, size_t size) +{ + while (size) + { + // on some systems /dev/random will block until all bytes + // are available, on others it will returns immediately + ssize_t len = read(m_fd, output, size); + if (len < 0) + throw OS_RNG_Err("read " CRYPTOPP_BLOCKING_RNG_FILENAME); + size -= len; + output += len; + if (size) + sleep(1); + } +} + +#endif + +// ************************************************************* + +void OS_GenerateRandomBlock(bool blocking, byte *output, size_t size) +{ +#ifdef NONBLOCKING_RNG_AVAILABLE + if (blocking) +#endif + { +#ifdef BLOCKING_RNG_AVAILABLE + BlockingRng rng; + rng.GenerateBlock(output, size); +#endif + } + +#ifdef BLOCKING_RNG_AVAILABLE + if (!blocking) +#endif + { +#ifdef NONBLOCKING_RNG_AVAILABLE + NonblockingRng rng; + rng.GenerateBlock(output, size); +#endif + } +} + +void AutoSeededRandomPool::Reseed(bool blocking, unsigned int seedSize) +{ + SecByteBlock seed(seedSize); + OS_GenerateRandomBlock(blocking, seed, seedSize); + IncorporateEntropy(seed, seedSize); +} + +NAMESPACE_END + +#endif + +#endif diff --git a/CryptoPP/osrng.h b/CryptoPP/osrng.h new file mode 100644 index 000000000..ae07d057b --- /dev/null +++ b/CryptoPP/osrng.h @@ -0,0 +1,156 @@ +#ifndef CRYPTOPP_OSRNG_H +#define CRYPTOPP_OSRNG_H + +//! \file + +#include "config.h" + +#ifdef OS_RNG_AVAILABLE + +#include "randpool.h" +#include "rng.h" +#include "aes.h" +#include "sha.h" +#include "fips140.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Exception class for Operating-System Random Number Generator. +class CRYPTOPP_DLL OS_RNG_Err : public Exception +{ +public: + OS_RNG_Err(const std::string &operation); +}; + +#ifdef NONBLOCKING_RNG_AVAILABLE + +#ifdef CRYPTOPP_WIN32_AVAILABLE +class CRYPTOPP_DLL MicrosoftCryptoProvider +{ +public: + MicrosoftCryptoProvider(); + ~MicrosoftCryptoProvider(); +#if defined(_WIN64) + typedef unsigned __int64 ProviderHandle; // type HCRYPTPROV, avoid #include <windows.h> +#else + typedef unsigned long ProviderHandle; +#endif + ProviderHandle GetProviderHandle() const {return m_hProvider;} +private: + ProviderHandle m_hProvider; +}; + +#pragma comment(lib, "advapi32.lib") +#endif + +//! encapsulate CryptoAPI's CryptGenRandom or /dev/urandom +class CRYPTOPP_DLL NonblockingRng : public RandomNumberGenerator +{ +public: + NonblockingRng(); + ~NonblockingRng(); + void GenerateBlock(byte *output, size_t size); + +protected: +#ifdef CRYPTOPP_WIN32_AVAILABLE +# ifndef WORKAROUND_MS_BUG_Q258000 + MicrosoftCryptoProvider m_Provider; +# endif +#else + int m_fd; +#endif +}; + +#endif + +#ifdef BLOCKING_RNG_AVAILABLE + +//! encapsulate /dev/random, or /dev/srandom on OpenBSD +class CRYPTOPP_DLL BlockingRng : public RandomNumberGenerator +{ +public: + BlockingRng(); + ~BlockingRng(); + void GenerateBlock(byte *output, size_t size); + +protected: + int m_fd; +}; + +#endif + +CRYPTOPP_DLL void CRYPTOPP_API OS_GenerateRandomBlock(bool blocking, byte *output, size_t size); + +//! Automaticly Seeded Randomness Pool +/*! This class seeds itself using an operating system provided RNG. */ +class CRYPTOPP_DLL AutoSeededRandomPool : public RandomPool +{ +public: + //! use blocking to choose seeding with BlockingRng or NonblockingRng. the parameter is ignored if only one of these is available + explicit AutoSeededRandomPool(bool blocking = false, unsigned int seedSize = 32) + {Reseed(blocking, seedSize);} + void Reseed(bool blocking = false, unsigned int seedSize = 32); +}; + +//! RNG from ANSI X9.17 Appendix C, seeded using an OS provided RNG +template <class BLOCK_CIPHER> +class AutoSeededX917RNG : public RandomNumberGenerator, public NotCopyable +{ +public: + //! use blocking to choose seeding with BlockingRng or NonblockingRng. the parameter is ignored if only one of these is available + explicit AutoSeededX917RNG(bool blocking = false, bool autoSeed = true) + {if (autoSeed) Reseed(blocking);} + void Reseed(bool blocking = false, const byte *additionalEntropy = NULL, size_t length = 0); + // exposed for testing + void Reseed(const byte *key, size_t keylength, const byte *seed, const byte *timeVector); + + bool CanIncorporateEntropy() const {return true;} + void IncorporateEntropy(const byte *input, size_t length) {Reseed(false, input, length);} + void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword length) {m_rng->GenerateIntoBufferedTransformation(target, channel, length);} + +private: + member_ptr<RandomNumberGenerator> m_rng; +}; + +template <class BLOCK_CIPHER> +void AutoSeededX917RNG<BLOCK_CIPHER>::Reseed(const byte *key, size_t keylength, const byte *seed, const byte *timeVector) +{ + m_rng.reset(new X917RNG(new typename BLOCK_CIPHER::Encryption(key, keylength), seed, timeVector)); +} + +template <class BLOCK_CIPHER> +void AutoSeededX917RNG<BLOCK_CIPHER>::Reseed(bool blocking, const byte *input, size_t length) +{ + SecByteBlock seed(BLOCK_CIPHER::BLOCKSIZE + BLOCK_CIPHER::DEFAULT_KEYLENGTH); + const byte *key; + do + { + OS_GenerateRandomBlock(blocking, seed, seed.size()); + if (length > 0) + { + SHA256 hash; + hash.Update(seed, seed.size()); + hash.Update(input, length); + hash.TruncatedFinal(seed, UnsignedMin(hash.DigestSize(), seed.size())); + } + key = seed + BLOCK_CIPHER::BLOCKSIZE; + } // check that seed and key don't have same value + while (memcmp(key, seed, STDMIN((unsigned int)BLOCK_CIPHER::BLOCKSIZE, (unsigned int)BLOCK_CIPHER::DEFAULT_KEYLENGTH)) == 0); + + Reseed(key, BLOCK_CIPHER::DEFAULT_KEYLENGTH, seed, NULL); +} + +CRYPTOPP_DLL_TEMPLATE_CLASS AutoSeededX917RNG<AES>; + +//! this is AutoSeededX917RNG\<AES\> in FIPS mode, otherwise it's AutoSeededRandomPool +#if CRYPTOPP_ENABLE_COMPLIANCE_WITH_FIPS_140_2 +typedef AutoSeededX917RNG<AES> DefaultAutoSeededRNG; +#else +typedef AutoSeededRandomPool DefaultAutoSeededRNG; +#endif + +NAMESPACE_END + +#endif + +#endif diff --git a/CryptoPP/panama.cpp b/CryptoPP/panama.cpp new file mode 100644 index 000000000..09b1708f3 --- /dev/null +++ b/CryptoPP/panama.cpp @@ -0,0 +1,508 @@ +// panama.cpp - written and placed in the public domain by Wei Dai + +// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM panama.cpp" to generate MASM code + +#include "pch.h" + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#include "panama.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class B> +void Panama<B>::Reset() +{ + memset(m_state, 0, m_state.SizeInBytes()); +#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE + m_state[17] = HasSSSE3(); +#endif +} + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +void Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y); +} +#elif CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + +#ifdef CRYPTOPP_GENERATE_X64_MASM + Panama_SSE2_Pull PROC FRAME + rex_push_reg rdi + alloc_stack(2*16) + save_xmm128 xmm6, 0h + save_xmm128 xmm7, 10h + .endprolog +#else +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code +void CRYPTOPP_NOINLINE Panama_SSE2_Pull(size_t count, word32 *state, word32 *z, const word32 *y) +{ +#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY + asm __volatile__ + ( + ".intel_syntax noprefix;" + AS_PUSH_IF86( bx) +#else + AS2( mov AS_REG_1, count) + AS2( mov AS_REG_2, state) + AS2( mov AS_REG_3, z) + AS2( mov AS_REG_4, y) +#endif +#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM + +#if CRYPTOPP_BOOL_X86 + #define REG_loopEnd [esp] +#elif defined(CRYPTOPP_GENERATE_X64_MASM) + #define REG_loopEnd rdi +#else + #define REG_loopEnd r8 +#endif + + AS2( shl AS_REG_1, 5) + ASJ( jz, 5, f) + AS2( mov AS_REG_6d, [AS_REG_2+4*17]) + AS2( add AS_REG_1, AS_REG_6) + + #if CRYPTOPP_BOOL_X64 + AS2( mov REG_loopEnd, AS_REG_1) + #else + AS1( push ebp) + AS1( push AS_REG_1) + #endif + + AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16]) + AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16]) + AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16]) + AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16]) + AS2( mov eax, dword ptr [AS_REG_2+4*16]) + + ASL(4) + // gamma and pi +#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE + AS2( test AS_REG_6, 1) + ASJ( jnz, 6, f) +#endif + AS2( movdqa xmm6, xmm2) + AS2( movss xmm6, xmm3) + ASS( pshufd xmm5, xmm6, 0, 3, 2, 1) + AS2( movd xmm6, eax) + AS2( movdqa xmm7, xmm3) + AS2( movss xmm7, xmm6) + ASS( pshufd xmm6, xmm7, 0, 3, 2, 1) +#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE + ASJ( jmp, 7, f) + ASL(6) + AS2( movdqa xmm5, xmm3) + AS3( palignr xmm5, xmm2, 4) + AS2( movd xmm6, eax) + AS3( palignr xmm6, xmm3, 4) + ASL(7) +#endif + + AS2( movd AS_REG_1d, xmm2) + AS1( not AS_REG_1d) + AS2( movd AS_REG_7d, xmm3) + AS2( or AS_REG_1d, AS_REG_7d) + AS2( xor eax, AS_REG_1d) + +#define SSE2_Index(i) ASM_MOD(((i)*13+16), 17) + +#define pi(i) \ + AS2( movd AS_REG_1d, xmm7)\ + AS2( rol AS_REG_1d, ASM_MOD((ASM_MOD(5*i,17)*(ASM_MOD(5*i,17)+1)/2), 32))\ + AS2( mov [AS_REG_2+SSE2_Index(ASM_MOD(5*(i), 17))*4], AS_REG_1d) + +#define pi4(x, y, z, a, b, c, d) \ + AS2( pcmpeqb xmm7, xmm7)\ + AS2( pxor xmm7, x)\ + AS2( por xmm7, y)\ + AS2( pxor xmm7, z)\ + pi(a)\ + ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\ + pi(b)\ + AS2( punpckhqdq xmm7, xmm7)\ + pi(c)\ + ASS( pshuflw xmm7, xmm7, 1, 0, 3, 2)\ + pi(d) + + pi4(xmm1, xmm2, xmm3, 1, 5, 9, 13) + pi4(xmm0, xmm1, xmm2, 2, 6, 10, 14) + pi4(xmm6, xmm0, xmm1, 3, 7, 11, 15) + pi4(xmm5, xmm6, xmm0, 4, 8, 12, 16) + + // output keystream and update buffer here to hide partial memory stalls between pi and theta + AS2( movdqa xmm4, xmm3) + AS2( punpcklqdq xmm3, xmm2) // 1 5 2 6 + AS2( punpckhdq xmm4, xmm2) // 9 10 13 14 + AS2( movdqa xmm2, xmm1) + AS2( punpcklqdq xmm1, xmm0) // 3 7 4 8 + AS2( punpckhdq xmm2, xmm0) // 11 12 15 16 + + // keystream + AS2( test AS_REG_3, AS_REG_3) + ASJ( jz, 0, f) + AS2( movdqa xmm6, xmm4) + AS2( punpcklqdq xmm4, xmm2) + AS2( punpckhqdq xmm6, xmm2) + AS2( test AS_REG_4, 15) + ASJ( jnz, 2, f) + AS2( test AS_REG_4, AS_REG_4) + ASJ( jz, 1, f) + AS2( pxor xmm4, [AS_REG_4]) + AS2( pxor xmm6, [AS_REG_4+16]) + AS2( add AS_REG_4, 32) + ASJ( jmp, 1, f) + ASL(2) + AS2( movdqu xmm0, [AS_REG_4]) + AS2( movdqu xmm2, [AS_REG_4+16]) + AS2( pxor xmm4, xmm0) + AS2( pxor xmm6, xmm2) + AS2( add AS_REG_4, 32) + ASL(1) + AS2( test AS_REG_3, 15) + ASJ( jnz, 3, f) + AS2( movdqa XMMWORD_PTR [AS_REG_3], xmm4) + AS2( movdqa XMMWORD_PTR [AS_REG_3+16], xmm6) + AS2( add AS_REG_3, 32) + ASJ( jmp, 0, f) + ASL(3) + AS2( movdqu XMMWORD_PTR [AS_REG_3], xmm4) + AS2( movdqu XMMWORD_PTR [AS_REG_3+16], xmm6) + AS2( add AS_REG_3, 32) + ASL(0) + + // buffer update + AS2( lea AS_REG_1, [AS_REG_6 + 32]) + AS2( and AS_REG_1, 31*32) + AS2( lea AS_REG_7, [AS_REG_6 + (32-24)*32]) + AS2( and AS_REG_7, 31*32) + + AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8]) + AS2( pxor xmm3, xmm0) + ASS( pshufd xmm0, xmm0, 2, 3, 0, 1) + AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*8], xmm3) + AS2( pxor xmm0, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8]) + AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+2*8], xmm0) + + AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8]) + AS2( pxor xmm1, xmm4) + AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+2*8], xmm1) + AS2( pxor xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8]) + AS2( movdqa XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*8], xmm4) + + // theta + AS2( movdqa xmm3, XMMWORD_PTR [AS_REG_2+3*16]) + AS2( movdqa xmm2, XMMWORD_PTR [AS_REG_2+2*16]) + AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_2+1*16]) + AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_2+0*16]) + +#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE + AS2( test AS_REG_6, 1) + ASJ( jnz, 8, f) +#endif + AS2( movd xmm6, eax) + AS2( movdqa xmm7, xmm3) + AS2( movss xmm7, xmm6) + AS2( movdqa xmm6, xmm2) + AS2( movss xmm6, xmm3) + AS2( movdqa xmm5, xmm1) + AS2( movss xmm5, xmm2) + AS2( movdqa xmm4, xmm0) + AS2( movss xmm4, xmm1) + ASS( pshufd xmm7, xmm7, 0, 3, 2, 1) + ASS( pshufd xmm6, xmm6, 0, 3, 2, 1) + ASS( pshufd xmm5, xmm5, 0, 3, 2, 1) + ASS( pshufd xmm4, xmm4, 0, 3, 2, 1) +#if CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE + ASJ( jmp, 9, f) + ASL(8) + AS2( movd xmm7, eax) + AS3( palignr xmm7, xmm3, 4) + AS2( movq xmm6, xmm3) + AS3( palignr xmm6, xmm2, 4) + AS2( movq xmm5, xmm2) + AS3( palignr xmm5, xmm1, 4) + AS2( movq xmm4, xmm1) + AS3( palignr xmm4, xmm0, 4) + ASL(9) +#endif + + AS2( xor eax, 1) + AS2( movd AS_REG_1d, xmm0) + AS2( xor eax, AS_REG_1d) + AS2( movd AS_REG_1d, xmm3) + AS2( xor eax, AS_REG_1d) + + AS2( pxor xmm3, xmm2) + AS2( pxor xmm2, xmm1) + AS2( pxor xmm1, xmm0) + AS2( pxor xmm0, xmm7) + AS2( pxor xmm3, xmm7) + AS2( pxor xmm2, xmm6) + AS2( pxor xmm1, xmm5) + AS2( pxor xmm0, xmm4) + + // sigma + AS2( lea AS_REG_1, [AS_REG_6 + (32-4)*32]) + AS2( and AS_REG_1, 31*32) + AS2( lea AS_REG_7, [AS_REG_6 + 16*32]) + AS2( and AS_REG_7, 31*32) + + AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+0*16]) + AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+0*16]) + AS2( movdqa xmm6, xmm4) + AS2( punpcklqdq xmm4, xmm5) + AS2( punpckhqdq xmm6, xmm5) + AS2( pxor xmm3, xmm4) + AS2( pxor xmm2, xmm6) + + AS2( movdqa xmm4, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_1+1*16]) + AS2( movdqa xmm5, XMMWORD_PTR [AS_REG_2+20*4+AS_REG_7+1*16]) + AS2( movdqa xmm6, xmm4) + AS2( punpcklqdq xmm4, xmm5) + AS2( punpckhqdq xmm6, xmm5) + AS2( pxor xmm1, xmm4) + AS2( pxor xmm0, xmm6) + + // loop + AS2( add AS_REG_6, 32) + AS2( cmp AS_REG_6, REG_loopEnd) + ASJ( jne, 4, b) + + // save state + AS2( mov [AS_REG_2+4*16], eax) + AS2( movdqa XMMWORD_PTR [AS_REG_2+3*16], xmm3) + AS2( movdqa XMMWORD_PTR [AS_REG_2+2*16], xmm2) + AS2( movdqa XMMWORD_PTR [AS_REG_2+1*16], xmm1) + AS2( movdqa XMMWORD_PTR [AS_REG_2+0*16], xmm0) + + #if CRYPTOPP_BOOL_X86 + AS2( add esp, 4) + AS1( pop ebp) + #endif + ASL(5) + +#ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY + AS_POP_IF86( bx) + ".att_syntax prefix;" + : + #if CRYPTOPP_BOOL_X64 + : "D" (count), "S" (state), "d" (z), "c" (y) + : "%r8", "%r9", "r10", "%eax", "memory", "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7" + #else + : "c" (count), "d" (state), "S" (z), "D" (y) + : "%eax", "memory", "cc" + #endif + ); +#endif +#ifdef CRYPTOPP_GENERATE_X64_MASM + movdqa xmm6, [rsp + 0h] + movdqa xmm7, [rsp + 10h] + add rsp, 2*16 + pop rdi + ret + Panama_SSE2_Pull ENDP +#else +} +#endif +#endif // #ifdef CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +template <class B> +void Panama<B>::Iterate(size_t count, const word32 *p, word32 *z, const word32 *y) +{ + word32 bstart = m_state[17]; + word32 *const aPtr = m_state; + word32 cPtr[17]; + +#define bPtr ((byte *)(aPtr+20)) + +// reorder the state for SSE2 +// a and c: 4 8 12 16 | 3 7 11 15 | 2 6 10 14 | 1 5 9 13 | 0 +// xmm0 xmm1 xmm2 xmm3 eax +#define a(i) aPtr[((i)*13+16) % 17] // 13 is inverse of 4 mod 17 +#define c(i) cPtr[((i)*13+16) % 17] +// b: 0 4 | 1 5 | 2 6 | 3 7 +#define b(i, j) b##i[(j)*2%8 + (j)/4] + +// output +#define OA(i) z[i] = ConditionalByteReverse(B::ToEnum(), a(i+9)) +#define OX(i) z[i] = y[i] ^ ConditionalByteReverse(B::ToEnum(), a(i+9)) +// buffer update +#define US(i) {word32 t=b(0,i); b(0,i)=ConditionalByteReverse(B::ToEnum(), p[i])^t; b(25,(i+6)%8)^=t;} +#define UL(i) {word32 t=b(0,i); b(0,i)=a(i+1)^t; b(25,(i+6)%8)^=t;} +// gamma and pi +#define GP(i) c(5*i%17) = rotlFixed(a(i) ^ (a((i+1)%17) | ~a((i+2)%17)), ((5*i%17)*((5*i%17)+1)/2)%32) +// theta and sigma +#define T(i,x) a(i) = c(i) ^ c((i+1)%17) ^ c((i+4)%17) ^ x +#define TS1S(i) T(i+1, ConditionalByteReverse(B::ToEnum(), p[i])) +#define TS1L(i) T(i+1, b(4,i)) +#define TS2(i) T(i+9, b(16,i)) + + while (count--) + { + if (z) + { + if (y) + { + OX(0); OX(1); OX(2); OX(3); OX(4); OX(5); OX(6); OX(7); + y += 8; + } + else + { + OA(0); OA(1); OA(2); OA(3); OA(4); OA(5); OA(6); OA(7); + } + z += 8; + } + + word32 *const b16 = (word32 *)(bPtr+((bstart+16*32) & 31*32)); + word32 *const b4 = (word32 *)(bPtr+((bstart+(32-4)*32) & 31*32)); + bstart += 32; + word32 *const b0 = (word32 *)(bPtr+((bstart) & 31*32)); + word32 *const b25 = (word32 *)(bPtr+((bstart+(32-25)*32) & 31*32)); + + if (p) + { + US(0); US(1); US(2); US(3); US(4); US(5); US(6); US(7); + } + else + { + UL(0); UL(1); UL(2); UL(3); UL(4); UL(5); UL(6); UL(7); + } + + GP(0); + GP(1); + GP(2); + GP(3); + GP(4); + GP(5); + GP(6); + GP(7); + GP(8); + GP(9); + GP(10); + GP(11); + GP(12); + GP(13); + GP(14); + GP(15); + GP(16); + + T(0,1); + + if (p) + { + TS1S(0); TS1S(1); TS1S(2); TS1S(3); TS1S(4); TS1S(5); TS1S(6); TS1S(7); + p += 8; + } + else + { + TS1L(0); TS1L(1); TS1L(2); TS1L(3); TS1L(4); TS1L(5); TS1L(6); TS1L(7); + } + + TS2(0); TS2(1); TS2(2); TS2(3); TS2(4); TS2(5); TS2(6); TS2(7); + } + m_state[17] = bstart; +} + +namespace Weak { +template <class B> +size_t PanamaHash<B>::HashMultipleBlocks(const word32 *input, size_t length) +{ + this->Iterate(length / this->BLOCKSIZE, input); + return length % this->BLOCKSIZE; +} + +template <class B> +void PanamaHash<B>::TruncatedFinal(byte *hash, size_t size) +{ + this->ThrowIfInvalidTruncatedSize(size); + + PadLastBlock(this->BLOCKSIZE, 0x01); + + HashEndianCorrectedBlock(this->m_data); + + this->Iterate(32); // pull + + FixedSizeSecBlock<word32, 8> buf; + this->Iterate(1, NULL, buf, NULL); + + memcpy(hash, buf, size); + + this->Restart(); // reinit for next use +} +} + +template <class B> +void PanamaCipherPolicy<B>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + assert(length==32); + memcpy(m_key, key, 32); +} + +template <class B> +void PanamaCipherPolicy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length) +{ + assert(length==32); + this->Reset(); + this->Iterate(1, m_key); + if (iv && IsAligned<word32>(iv)) + this->Iterate(1, (const word32 *)iv); + else + { + FixedSizeSecBlock<word32, 8> buf; + if (iv) + memcpy(buf, iv, 32); + else + memset(buf, 0, 32); + this->Iterate(1, buf); + } + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2() && !IsP4()) // SSE2 code is slower on P4 Prescott + Panama_SSE2_Pull(32, this->m_state, NULL, NULL); + else +#endif + this->Iterate(32); +} + +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 +template <class B> +unsigned int PanamaCipherPolicy<B>::GetAlignment() const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2()) + return 16; + else +#endif + return 1; +} +#endif + +template <class B> +void PanamaCipherPolicy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2()) + Panama_SSE2_Pull(iterationCount, this->m_state, (word32 *)output, (const word32 *)input); + else +#endif + this->Iterate(iterationCount, NULL, (word32 *)output, (const word32 *)input); +} + +template class Panama<BigEndian>; +template class Panama<LittleEndian>; + +template class Weak::PanamaHash<BigEndian>; +template class Weak::PanamaHash<LittleEndian>; + +template class PanamaCipherPolicy<BigEndian>; +template class PanamaCipherPolicy<LittleEndian>; + +NAMESPACE_END + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM diff --git a/CryptoPP/panama.h b/CryptoPP/panama.h new file mode 100644 index 000000000..5a2368137 --- /dev/null +++ b/CryptoPP/panama.h @@ -0,0 +1,144 @@ +#ifndef CRYPTOPP_PANAMA_H +#define CRYPTOPP_PANAMA_H + +#include "strciphr.h" +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// base class, do not use directly +template <class B> +class CRYPTOPP_NO_VTABLE Panama +{ +public: + void Reset(); + void Iterate(size_t count, const word32 *p=NULL, word32 *z=NULL, const word32 *y=NULL); + +protected: + typedef word32 Stage[8]; + CRYPTOPP_CONSTANT(STAGES = 32) + + FixedSizeAlignedSecBlock<word32, 20 + 8*32> m_state; +}; + +namespace Weak { +/// <a href="http://www.weidai.com/scan-mirror/md.html#Panama">Panama Hash</a> +template <class B = LittleEndian> +class PanamaHash : protected Panama<B>, public AlgorithmImpl<IteratedHash<word32, NativeByteOrder, 32>, PanamaHash<B> > +{ +public: + CRYPTOPP_CONSTANT(DIGESTSIZE = 32) + PanamaHash() {Panama<B>::Reset();} + unsigned int DigestSize() const {return DIGESTSIZE;} + void TruncatedFinal(byte *hash, size_t size); + static const char * StaticAlgorithmName() {return B::ToEnum() == BIG_ENDIAN_ORDER ? "Panama-BE" : "Panama-LE";} + +protected: + void Init() {Panama<B>::Reset();} + void HashEndianCorrectedBlock(const word32 *data) {this->Iterate(1, data);} // push + size_t HashMultipleBlocks(const word32 *input, size_t length); + word32* StateBuf() {return NULL;} +}; +} + +//! MAC construction using a hermetic hash function +template <class T_Hash, class T_Info = T_Hash> +class HermeticHashFunctionMAC : public AlgorithmImpl<SimpleKeyingInterfaceImpl<TwoBases<MessageAuthenticationCode, VariableKeyLength<32, 0, INT_MAX> > >, T_Info> +{ +public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) + { + m_key.Assign(key, length); + Restart(); + } + + void Restart() + { + m_hash.Restart(); + m_keyed = false; + } + + void Update(const byte *input, size_t length) + { + if (!m_keyed) + KeyHash(); + m_hash.Update(input, length); + } + + void TruncatedFinal(byte *digest, size_t digestSize) + { + if (!m_keyed) + KeyHash(); + m_hash.TruncatedFinal(digest, digestSize); + m_keyed = false; + } + + unsigned int DigestSize() const + {return m_hash.DigestSize();} + unsigned int BlockSize() const + {return m_hash.BlockSize();} + unsigned int OptimalBlockSize() const + {return m_hash.OptimalBlockSize();} + unsigned int OptimalDataAlignment() const + {return m_hash.OptimalDataAlignment();} + +protected: + void KeyHash() + { + m_hash.Update(m_key, m_key.size()); + m_keyed = true; + } + + T_Hash m_hash; + bool m_keyed; + SecByteBlock m_key; +}; + +namespace Weak { +/// Panama MAC +template <class B = LittleEndian> +class PanamaMAC : public HermeticHashFunctionMAC<PanamaHash<B> > +{ +public: + PanamaMAC() {} + PanamaMAC(const byte *key, unsigned int length) + {this->SetKey(key, length);} +}; +} + +//! algorithm info +template <class B> +struct PanamaCipherInfo : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 32> +{ + static const char * StaticAlgorithmName() {return B::ToEnum() == BIG_ENDIAN_ORDER ? "Panama-BE" : "Panama-LE";} +}; + +//! _ +template <class B> +class PanamaCipherPolicy : public AdditiveCipherConcretePolicy<word32, 8>, + public PanamaCipherInfo<B>, + protected Panama<B> +{ +protected: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + bool CipherIsRandomAccess() const {return false;} + void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length); +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 + unsigned int GetAlignment() const; +#endif + + FixedSizeSecBlock<word32, 8> m_key; +}; + +//! <a href="http://www.cryptolounge.org/wiki/PANAMA">Panama Stream Cipher</a> +template <class B = LittleEndian> +struct PanamaCipher : public PanamaCipherInfo<B>, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<PanamaCipherPolicy<B>, AdditiveCipherTemplate<> >, PanamaCipherInfo<B> > Encryption; + typedef Encryption Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/pch.cpp b/CryptoPP/pch.cpp new file mode 100644 index 000000000..1d9f38c57 --- /dev/null +++ b/CryptoPP/pch.cpp @@ -0,0 +1 @@ +#include "pch.h" diff --git a/CryptoPP/pch.h b/CryptoPP/pch.h new file mode 100644 index 000000000..418c39076 --- /dev/null +++ b/CryptoPP/pch.h @@ -0,0 +1,21 @@ +#ifndef CRYPTOPP_PCH_H +#define CRYPTOPP_PCH_H + +#ifdef CRYPTOPP_GENERATE_X64_MASM + + #include "cpu.h" + +#else + + #include "config.h" + + #ifdef USE_PRECOMPILED_HEADERS + #include "simple.h" + #include "secblock.h" + #include "misc.h" + #include "smartptr.h" + #endif + +#endif + +#endif diff --git a/CryptoPP/pkcspad.cpp b/CryptoPP/pkcspad.cpp new file mode 100644 index 000000000..e1f1d1e23 --- /dev/null +++ b/CryptoPP/pkcspad.cpp @@ -0,0 +1,124 @@ +// pkcspad.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_PKCSPAD_CPP // SunCC workaround: compiler could cause this file to be included twice +#define CRYPTOPP_PKCSPAD_CPP + +#include "pkcspad.h" +#include <assert.h> + +NAMESPACE_BEGIN(CryptoPP) + +// more in dll.cpp +template<> const byte PKCS_DigestDecoration<Weak1::MD2>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x02,0x05,0x00,0x04,0x10}; +template<> const unsigned int PKCS_DigestDecoration<Weak1::MD2>::length = sizeof(PKCS_DigestDecoration<Weak1::MD2>::decoration); + +template<> const byte PKCS_DigestDecoration<Weak1::MD5>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x05,0x05,0x00,0x04,0x10}; +template<> const unsigned int PKCS_DigestDecoration<Weak1::MD5>::length = sizeof(PKCS_DigestDecoration<Weak1::MD5>::decoration); + +template<> const byte PKCS_DigestDecoration<RIPEMD160>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x24,0x03,0x02,0x01,0x05,0x00,0x04,0x14}; +template<> const unsigned int PKCS_DigestDecoration<RIPEMD160>::length = sizeof(PKCS_DigestDecoration<RIPEMD160>::decoration); + +template<> const byte PKCS_DigestDecoration<Tiger>::decoration[] = {0x30,0x29,0x30,0x0D,0x06,0x09,0x2B,0x06,0x01,0x04,0x01,0xDA,0x47,0x0C,0x02,0x05,0x00,0x04,0x18}; +template<> const unsigned int PKCS_DigestDecoration<Tiger>::length = sizeof(PKCS_DigestDecoration<Tiger>::decoration); + +size_t PKCS_EncryptionPaddingScheme::MaxUnpaddedLength(size_t paddedLength) const +{ + return SaturatingSubtract(paddedLength/8, 10U); +} + +void PKCS_EncryptionPaddingScheme::Pad(RandomNumberGenerator &rng, const byte *input, size_t inputLen, byte *pkcsBlock, size_t pkcsBlockLen, const NameValuePairs ¶meters) const +{ + assert (inputLen <= MaxUnpaddedLength(pkcsBlockLen)); // this should be checked by caller + + // convert from bit length to byte length + if (pkcsBlockLen % 8 != 0) + { + pkcsBlock[0] = 0; + pkcsBlock++; + } + pkcsBlockLen /= 8; + + pkcsBlock[0] = 2; // block type 2 + + // pad with non-zero random bytes + for (unsigned i = 1; i < pkcsBlockLen-inputLen-1; i++) + pkcsBlock[i] = (byte)rng.GenerateWord32(1, 0xff); + + pkcsBlock[pkcsBlockLen-inputLen-1] = 0; // separator + memcpy(pkcsBlock+pkcsBlockLen-inputLen, input, inputLen); +} + +DecodingResult PKCS_EncryptionPaddingScheme::Unpad(const byte *pkcsBlock, size_t pkcsBlockLen, byte *output, const NameValuePairs ¶meters) const +{ + bool invalid = false; + size_t maxOutputLen = MaxUnpaddedLength(pkcsBlockLen); + + // convert from bit length to byte length + if (pkcsBlockLen % 8 != 0) + { + invalid = (pkcsBlock[0] != 0) || invalid; + pkcsBlock++; + } + pkcsBlockLen /= 8; + + // Require block type 2. + invalid = (pkcsBlock[0] != 2) || invalid; + + // skip past the padding until we find the separator + size_t i=1; + while (i<pkcsBlockLen && pkcsBlock[i++]) { // null body + } + assert(i==pkcsBlockLen || pkcsBlock[i-1]==0); + + size_t outputLen = pkcsBlockLen - i; + invalid = (outputLen > maxOutputLen) || invalid; + + if (invalid) + return DecodingResult(); + + memcpy (output, pkcsBlock+i, outputLen); + return DecodingResult(outputLen); +} + +// ******************************************************** + +#ifndef CRYPTOPP_IMPORTS + +void PKCS1v15_SignatureMessageEncodingMethod::ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + assert(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize())); + + size_t pkcsBlockLen = representativeBitLength; + // convert from bit length to byte length + if (pkcsBlockLen % 8 != 0) + { + representative[0] = 0; + representative++; + } + pkcsBlockLen /= 8; + + representative[0] = 1; // block type 1 + + unsigned int digestSize = hash.DigestSize(); + byte *pPadding = representative + 1; + byte *pDigest = representative + pkcsBlockLen - digestSize; + byte *pHashId = pDigest - hashIdentifier.second; + byte *pSeparator = pHashId - 1; + + // pad with 0xff + memset(pPadding, 0xff, pSeparator-pPadding); + *pSeparator = 0; + memcpy(pHashId, hashIdentifier.first, hashIdentifier.second); + hash.Final(pDigest); +} + +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/pkcspad.h b/CryptoPP/pkcspad.h new file mode 100644 index 000000000..6371c7698 --- /dev/null +++ b/CryptoPP/pkcspad.h @@ -0,0 +1,94 @@ +#ifndef CRYPTOPP_PKCSPAD_H +#define CRYPTOPP_PKCSPAD_H + +#include "cryptlib.h" +#include "pubkey.h" + +#ifdef CRYPTOPP_IS_DLL +#include "sha.h" +#endif + +NAMESPACE_BEGIN(CryptoPP) + +//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_PKCS1-1.5">EME-PKCS1-v1_5</a> +class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod +{ +public: + static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";} + + size_t MaxUnpaddedLength(size_t paddedLength) const; + void Pad(RandomNumberGenerator &rng, const byte *raw, size_t inputLength, byte *padded, size_t paddedLength, const NameValuePairs ¶meters) const; + DecodingResult Unpad(const byte *padded, size_t paddedLength, byte *raw, const NameValuePairs ¶meters) const; +}; + +template <class H> class PKCS_DigestDecoration +{ +public: + static const byte decoration[]; + static const unsigned int length; +}; + +// PKCS_DigestDecoration can be instantiated with the following +// classes as specified in PKCS#1 v2.0 and P1363a +class SHA1; +class RIPEMD160; +class Tiger; +class SHA224; +class SHA256; +class SHA384; +class SHA512; +namespace Weak1 { +class MD2; +class MD5; +} +// end of list + +#ifdef CRYPTOPP_IS_DLL +CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA1>; +CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA224>; +CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA256>; +CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA384>; +CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA512>; +#endif + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a> +class CRYPTOPP_DLL PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";} + + size_t MinRepresentativeBitLength(size_t hashIdentifierSize, size_t digestSize) const + {return 8 * (digestSize + hashIdentifierSize + 10);} + + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; + + struct HashIdentifierLookup + { + template <class H> struct HashIdentifierLookup2 + { + static HashIdentifier Lookup() + { + return HashIdentifier(PKCS_DigestDecoration<H>::decoration, PKCS_DigestDecoration<H>::length); + } + }; + }; +}; + +//! PKCS #1 version 1.5, for use with RSAES and RSASS +/*! Only the following hash functions are supported by this signature standard: + \dontinclude pkcspad.h + \skip can be instantiated + \until end of list +*/ +struct PKCS1v15 : public SignatureStandard, public EncryptionStandard +{ + typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod; + typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/polynomi.cpp b/CryptoPP/polynomi.cpp new file mode 100644 index 000000000..734cae926 --- /dev/null +++ b/CryptoPP/polynomi.cpp @@ -0,0 +1,577 @@ +// polynomi.cpp - written and placed in the public domain by Wei Dai + +// Part of the code for polynomial evaluation and interpolation +// originally came from Hal Finney's public domain secsplit.c. + +#include "pch.h" +#include "polynomi.h" +#include "secblock.h" + +#include <sstream> +#include <iostream> + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> +void PolynomialOver<T>::Randomize(RandomNumberGenerator &rng, const RandomizationParameter ¶meter, const Ring &ring) +{ + m_coefficients.resize(parameter.m_coefficientCount); + for (unsigned int i=0; i<m_coefficients.size(); ++i) + m_coefficients[i] = ring.RandomElement(rng, parameter.m_coefficientParameter); +} + +template <class T> +void PolynomialOver<T>::FromStr(const char *str, const Ring &ring) +{ + std::istringstream in((char *)str); + bool positive = true; + CoefficientType coef; + unsigned int power; + + while (in) + { + std::ws(in); + if (in.peek() == 'x') + coef = ring.MultiplicativeIdentity(); + else + in >> coef; + + std::ws(in); + if (in.peek() == 'x') + { + in.get(); + std::ws(in); + if (in.peek() == '^') + { + in.get(); + in >> power; + } + else + power = 1; + } + else + power = 0; + + if (!positive) + coef = ring.Inverse(coef); + + SetCoefficient(power, coef, ring); + + std::ws(in); + switch (in.get()) + { + case '+': + positive = true; + break; + case '-': + positive = false; + break; + default: + return; // something's wrong with the input string + } + } +} + +template <class T> +unsigned int PolynomialOver<T>::CoefficientCount(const Ring &ring) const +{ + unsigned count = m_coefficients.size(); + while (count && ring.Equal(m_coefficients[count-1], ring.Identity())) + count--; + const_cast<std::vector<CoefficientType> &>(m_coefficients).resize(count); + return count; +} + +template <class T> +typename PolynomialOver<T>::CoefficientType PolynomialOver<T>::GetCoefficient(unsigned int i, const Ring &ring) const +{ + return (i < m_coefficients.size()) ? m_coefficients[i] : ring.Identity(); +} + +template <class T> +PolynomialOver<T>& PolynomialOver<T>::operator=(const PolynomialOver<T>& t) +{ + if (this != &t) + { + m_coefficients.resize(t.m_coefficients.size()); + for (unsigned int i=0; i<m_coefficients.size(); i++) + m_coefficients[i] = t.m_coefficients[i]; + } + return *this; +} + +template <class T> +PolynomialOver<T>& PolynomialOver<T>::Accumulate(const PolynomialOver<T>& t, const Ring &ring) +{ + unsigned int count = t.CoefficientCount(ring); + + if (count > CoefficientCount(ring)) + m_coefficients.resize(count, ring.Identity()); + + for (unsigned int i=0; i<count; i++) + ring.Accumulate(m_coefficients[i], t.GetCoefficient(i, ring)); + + return *this; +} + +template <class T> +PolynomialOver<T>& PolynomialOver<T>::Reduce(const PolynomialOver<T>& t, const Ring &ring) +{ + unsigned int count = t.CoefficientCount(ring); + + if (count > CoefficientCount(ring)) + m_coefficients.resize(count, ring.Identity()); + + for (unsigned int i=0; i<count; i++) + ring.Reduce(m_coefficients[i], t.GetCoefficient(i, ring)); + + return *this; +} + +template <class T> +typename PolynomialOver<T>::CoefficientType PolynomialOver<T>::EvaluateAt(const CoefficientType &x, const Ring &ring) const +{ + int degree = Degree(ring); + + if (degree < 0) + return ring.Identity(); + + CoefficientType result = m_coefficients[degree]; + for (int j=degree-1; j>=0; j--) + { + result = ring.Multiply(result, x); + ring.Accumulate(result, m_coefficients[j]); + } + return result; +} + +template <class T> +PolynomialOver<T>& PolynomialOver<T>::ShiftLeft(unsigned int n, const Ring &ring) +{ + unsigned int i = CoefficientCount(ring) + n; + m_coefficients.resize(i, ring.Identity()); + while (i > n) + { + i--; + m_coefficients[i] = m_coefficients[i-n]; + } + while (i) + { + i--; + m_coefficients[i] = ring.Identity(); + } + return *this; +} + +template <class T> +PolynomialOver<T>& PolynomialOver<T>::ShiftRight(unsigned int n, const Ring &ring) +{ + unsigned int count = CoefficientCount(ring); + if (count > n) + { + for (unsigned int i=0; i<count-n; i++) + m_coefficients[i] = m_coefficients[i+n]; + m_coefficients.resize(count-n, ring.Identity()); + } + else + m_coefficients.resize(0, ring.Identity()); + return *this; +} + +template <class T> +void PolynomialOver<T>::SetCoefficient(unsigned int i, const CoefficientType &value, const Ring &ring) +{ + if (i >= m_coefficients.size()) + m_coefficients.resize(i+1, ring.Identity()); + m_coefficients[i] = value; +} + +template <class T> +void PolynomialOver<T>::Negate(const Ring &ring) +{ + unsigned int count = CoefficientCount(ring); + for (unsigned int i=0; i<count; i++) + m_coefficients[i] = ring.Inverse(m_coefficients[i]); +} + +template <class T> +void PolynomialOver<T>::swap(PolynomialOver<T> &t) +{ + m_coefficients.swap(t.m_coefficients); +} + +template <class T> +bool PolynomialOver<T>::Equals(const PolynomialOver<T>& t, const Ring &ring) const +{ + unsigned int count = CoefficientCount(ring); + + if (count != t.CoefficientCount(ring)) + return false; + + for (unsigned int i=0; i<count; i++) + if (!ring.Equal(m_coefficients[i], t.m_coefficients[i])) + return false; + + return true; +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::Plus(const PolynomialOver<T>& t, const Ring &ring) const +{ + unsigned int i; + unsigned int count = CoefficientCount(ring); + unsigned int tCount = t.CoefficientCount(ring); + + if (count > tCount) + { + PolynomialOver<T> result(ring, count); + + for (i=0; i<tCount; i++) + result.m_coefficients[i] = ring.Add(m_coefficients[i], t.m_coefficients[i]); + for (; i<count; i++) + result.m_coefficients[i] = m_coefficients[i]; + + return result; + } + else + { + PolynomialOver<T> result(ring, tCount); + + for (i=0; i<count; i++) + result.m_coefficients[i] = ring.Add(m_coefficients[i], t.m_coefficients[i]); + for (; i<tCount; i++) + result.m_coefficients[i] = t.m_coefficients[i]; + + return result; + } +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::Minus(const PolynomialOver<T>& t, const Ring &ring) const +{ + unsigned int i; + unsigned int count = CoefficientCount(ring); + unsigned int tCount = t.CoefficientCount(ring); + + if (count > tCount) + { + PolynomialOver<T> result(ring, count); + + for (i=0; i<tCount; i++) + result.m_coefficients[i] = ring.Subtract(m_coefficients[i], t.m_coefficients[i]); + for (; i<count; i++) + result.m_coefficients[i] = m_coefficients[i]; + + return result; + } + else + { + PolynomialOver<T> result(ring, tCount); + + for (i=0; i<count; i++) + result.m_coefficients[i] = ring.Subtract(m_coefficients[i], t.m_coefficients[i]); + for (; i<tCount; i++) + result.m_coefficients[i] = ring.Inverse(t.m_coefficients[i]); + + return result; + } +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::Inverse(const Ring &ring) const +{ + unsigned int count = CoefficientCount(ring); + PolynomialOver<T> result(ring, count); + + for (unsigned int i=0; i<count; i++) + result.m_coefficients[i] = ring.Inverse(m_coefficients[i]); + + return result; +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::Times(const PolynomialOver<T>& t, const Ring &ring) const +{ + if (IsZero(ring) || t.IsZero(ring)) + return PolynomialOver<T>(); + + unsigned int count1 = CoefficientCount(ring), count2 = t.CoefficientCount(ring); + PolynomialOver<T> result(ring, count1 + count2 - 1); + + for (unsigned int i=0; i<count1; i++) + for (unsigned int j=0; j<count2; j++) + ring.Accumulate(result.m_coefficients[i+j], ring.Multiply(m_coefficients[i], t.m_coefficients[j])); + + return result; +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::DividedBy(const PolynomialOver<T>& t, const Ring &ring) const +{ + PolynomialOver<T> remainder, quotient; + Divide(remainder, quotient, *this, t, ring); + return quotient; +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::Modulo(const PolynomialOver<T>& t, const Ring &ring) const +{ + PolynomialOver<T> remainder, quotient; + Divide(remainder, quotient, *this, t, ring); + return remainder; +} + +template <class T> +PolynomialOver<T> PolynomialOver<T>::MultiplicativeInverse(const Ring &ring) const +{ + return Degree(ring)==0 ? ring.MultiplicativeInverse(m_coefficients[0]) : ring.Identity(); +} + +template <class T> +bool PolynomialOver<T>::IsUnit(const Ring &ring) const +{ + return Degree(ring)==0 && ring.IsUnit(m_coefficients[0]); +} + +template <class T> +std::istream& PolynomialOver<T>::Input(std::istream &in, const Ring &ring) +{ + char c; + unsigned int length = 0; + SecBlock<char> str(length + 16); + bool paren = false; + + std::ws(in); + + if (in.peek() == '(') + { + paren = true; + in.get(); + } + + do + { + in.read(&c, 1); + str[length++] = c; + if (length >= str.size()) + str.Grow(length + 16); + } + // if we started with a left paren, then read until we find a right paren, + // otherwise read until the end of the line + while (in && ((paren && c != ')') || (!paren && c != '\n'))); + + str[length-1] = '\0'; + *this = PolynomialOver<T>(str, ring); + + return in; +} + +template <class T> +std::ostream& PolynomialOver<T>::Output(std::ostream &out, const Ring &ring) const +{ + unsigned int i = CoefficientCount(ring); + if (i) + { + bool firstTerm = true; + + while (i--) + { + if (m_coefficients[i] != ring.Identity()) + { + if (firstTerm) + { + firstTerm = false; + if (!i || !ring.Equal(m_coefficients[i], ring.MultiplicativeIdentity())) + out << m_coefficients[i]; + } + else + { + CoefficientType inverse = ring.Inverse(m_coefficients[i]); + std::ostringstream pstr, nstr; + + pstr << m_coefficients[i]; + nstr << inverse; + + if (pstr.str().size() <= nstr.str().size()) + { + out << " + "; + if (!i || !ring.Equal(m_coefficients[i], ring.MultiplicativeIdentity())) + out << m_coefficients[i]; + } + else + { + out << " - "; + if (!i || !ring.Equal(inverse, ring.MultiplicativeIdentity())) + out << inverse; + } + } + + switch (i) + { + case 0: + break; + case 1: + out << "x"; + break; + default: + out << "x^" << i; + } + } + } + } + else + { + out << ring.Identity(); + } + return out; +} + +template <class T> +void PolynomialOver<T>::Divide(PolynomialOver<T> &r, PolynomialOver<T> &q, const PolynomialOver<T> &a, const PolynomialOver<T> &d, const Ring &ring) +{ + unsigned int i = a.CoefficientCount(ring); + const int dDegree = d.Degree(ring); + + if (dDegree < 0) + throw DivideByZero(); + + r = a; + q.m_coefficients.resize(STDMAX(0, int(i - dDegree))); + + while (i > (unsigned int)dDegree) + { + --i; + q.m_coefficients[i-dDegree] = ring.Divide(r.m_coefficients[i], d.m_coefficients[dDegree]); + for (int j=0; j<=dDegree; j++) + ring.Reduce(r.m_coefficients[i-dDegree+j], ring.Multiply(q.m_coefficients[i-dDegree], d.m_coefficients[j])); + } + + r.CoefficientCount(ring); // resize r.m_coefficients +} + +// ******************************************************** + +// helper function for Interpolate() and InterpolateAt() +template <class T> +void RingOfPolynomialsOver<T>::CalculateAlpha(std::vector<CoefficientType> &alpha, const CoefficientType x[], const CoefficientType y[], unsigned int n) const +{ + for (unsigned int j=0; j<n; ++j) + alpha[j] = y[j]; + + for (unsigned int k=1; k<n; ++k) + { + for (unsigned int j=n-1; j>=k; --j) + { + m_ring.Reduce(alpha[j], alpha[j-1]); + + CoefficientType d = m_ring.Subtract(x[j], x[j-k]); + if (!m_ring.IsUnit(d)) + throw InterpolationFailed(); + alpha[j] = m_ring.Divide(alpha[j], d); + } + } +} + +template <class T> +typename RingOfPolynomialsOver<T>::Element RingOfPolynomialsOver<T>::Interpolate(const CoefficientType x[], const CoefficientType y[], unsigned int n) const +{ + assert(n > 0); + + std::vector<CoefficientType> alpha(n); + CalculateAlpha(alpha, x, y, n); + + std::vector<CoefficientType> coefficients((size_t)n, m_ring.Identity()); + coefficients[0] = alpha[n-1]; + + for (int j=n-2; j>=0; --j) + { + for (unsigned int i=n-j-1; i>0; i--) + coefficients[i] = m_ring.Subtract(coefficients[i-1], m_ring.Multiply(coefficients[i], x[j])); + + coefficients[0] = m_ring.Subtract(alpha[j], m_ring.Multiply(coefficients[0], x[j])); + } + + return PolynomialOver<T>(coefficients.begin(), coefficients.end()); +} + +template <class T> +typename RingOfPolynomialsOver<T>::CoefficientType RingOfPolynomialsOver<T>::InterpolateAt(const CoefficientType &position, const CoefficientType x[], const CoefficientType y[], unsigned int n) const +{ + assert(n > 0); + + std::vector<CoefficientType> alpha(n); + CalculateAlpha(alpha, x, y, n); + + CoefficientType result = alpha[n-1]; + for (int j=n-2; j>=0; --j) + { + result = m_ring.Multiply(result, m_ring.Subtract(position, x[j])); + m_ring.Accumulate(result, alpha[j]); + } + return result; +} + +template <class Ring, class Element> +void PrepareBulkPolynomialInterpolation(const Ring &ring, Element *w, const Element x[], unsigned int n) +{ + for (unsigned int i=0; i<n; i++) + { + Element t = ring.MultiplicativeIdentity(); + for (unsigned int j=0; j<n; j++) + if (i != j) + t = ring.Multiply(t, ring.Subtract(x[i], x[j])); + w[i] = ring.MultiplicativeInverse(t); + } +} + +template <class Ring, class Element> +void PrepareBulkPolynomialInterpolationAt(const Ring &ring, Element *v, const Element &position, const Element x[], const Element w[], unsigned int n) +{ + assert(n > 0); + + std::vector<Element> a(2*n-1); + unsigned int i; + + for (i=0; i<n; i++) + a[n-1+i] = ring.Subtract(position, x[i]); + + for (i=n-1; i>1; i--) + a[i-1] = ring.Multiply(a[2*i], a[2*i-1]); + + a[0] = ring.MultiplicativeIdentity(); + + for (i=0; i<n-1; i++) + { + std::swap(a[2*i+1], a[2*i+2]); + a[2*i+1] = ring.Multiply(a[i], a[2*i+1]); + a[2*i+2] = ring.Multiply(a[i], a[2*i+2]); + } + + for (i=0; i<n; i++) + v[i] = ring.Multiply(a[n-1+i], w[i]); +} + +template <class Ring, class Element> +Element BulkPolynomialInterpolateAt(const Ring &ring, const Element y[], const Element v[], unsigned int n) +{ + Element result = ring.Identity(); + for (unsigned int i=0; i<n; i++) + ring.Accumulate(result, ring.Multiply(y[i], v[i])); + return result; +} + +// ******************************************************** + +template <class T, int instance> +const PolynomialOverFixedRing<T, instance> &PolynomialOverFixedRing<T, instance>::Zero() +{ + return Singleton<ThisType>().Ref(); +} + +template <class T, int instance> +const PolynomialOverFixedRing<T, instance> &PolynomialOverFixedRing<T, instance>::One() +{ + return Singleton<ThisType, NewOnePolynomial>().Ref(); +} + +NAMESPACE_END diff --git a/CryptoPP/polynomi.h b/CryptoPP/polynomi.h new file mode 100644 index 000000000..cddadaeaf --- /dev/null +++ b/CryptoPP/polynomi.h @@ -0,0 +1,459 @@ +#ifndef CRYPTOPP_POLYNOMI_H +#define CRYPTOPP_POLYNOMI_H + +/*! \file */ + +#include "cryptlib.h" +#include "misc.h" +#include "algebra.h" + +#include <iosfwd> +#include <vector> + +NAMESPACE_BEGIN(CryptoPP) + +//! represents single-variable polynomials over arbitrary rings +/*! \nosubgrouping */ +template <class T> class PolynomialOver +{ +public: + //! \name ENUMS, EXCEPTIONS, and TYPEDEFS + //@{ + //! division by zero exception + class DivideByZero : public Exception + { + public: + DivideByZero() : Exception(OTHER_ERROR, "PolynomialOver<T>: division by zero") {} + }; + + //! specify the distribution for randomization functions + class RandomizationParameter + { + public: + RandomizationParameter(unsigned int coefficientCount, const typename T::RandomizationParameter &coefficientParameter ) + : m_coefficientCount(coefficientCount), m_coefficientParameter(coefficientParameter) {} + + private: + unsigned int m_coefficientCount; + typename T::RandomizationParameter m_coefficientParameter; + friend class PolynomialOver<T>; + }; + + typedef T Ring; + typedef typename T::Element CoefficientType; + //@} + + //! \name CREATORS + //@{ + //! creates the zero polynomial + PolynomialOver() {} + + //! + PolynomialOver(const Ring &ring, unsigned int count) + : m_coefficients((size_t)count, ring.Identity()) {} + + //! copy constructor + PolynomialOver(const PolynomialOver<Ring> &t) + : m_coefficients(t.m_coefficients.size()) {*this = t;} + + //! construct constant polynomial + PolynomialOver(const CoefficientType &element) + : m_coefficients(1, element) {} + + //! construct polynomial with specified coefficients, starting from coefficient of x^0 + template <typename Iterator> PolynomialOver(Iterator begin, Iterator end) + : m_coefficients(begin, end) {} + + //! convert from string + PolynomialOver(const char *str, const Ring &ring) {FromStr(str, ring);} + + //! convert from big-endian byte array + PolynomialOver(const byte *encodedPolynomialOver, unsigned int byteCount); + + //! convert from Basic Encoding Rules encoded byte array + explicit PolynomialOver(const byte *BEREncodedPolynomialOver); + + //! convert from BER encoded byte array stored in a BufferedTransformation object + explicit PolynomialOver(BufferedTransformation &bt); + + //! create a random PolynomialOver<T> + PolynomialOver(RandomNumberGenerator &rng, const RandomizationParameter ¶meter, const Ring &ring) + {Randomize(rng, parameter, ring);} + //@} + + //! \name ACCESSORS + //@{ + //! the zero polynomial will return a degree of -1 + int Degree(const Ring &ring) const {return int(CoefficientCount(ring))-1;} + //! + unsigned int CoefficientCount(const Ring &ring) const; + //! return coefficient for x^i + CoefficientType GetCoefficient(unsigned int i, const Ring &ring) const; + //@} + + //! \name MANIPULATORS + //@{ + //! + PolynomialOver<Ring>& operator=(const PolynomialOver<Ring>& t); + + //! + void Randomize(RandomNumberGenerator &rng, const RandomizationParameter ¶meter, const Ring &ring); + + //! set the coefficient for x^i to value + void SetCoefficient(unsigned int i, const CoefficientType &value, const Ring &ring); + + //! + void Negate(const Ring &ring); + + //! + void swap(PolynomialOver<Ring> &t); + //@} + + + //! \name BASIC ARITHMETIC ON POLYNOMIALS + //@{ + bool Equals(const PolynomialOver<Ring> &t, const Ring &ring) const; + bool IsZero(const Ring &ring) const {return CoefficientCount(ring)==0;} + + PolynomialOver<Ring> Plus(const PolynomialOver<Ring>& t, const Ring &ring) const; + PolynomialOver<Ring> Minus(const PolynomialOver<Ring>& t, const Ring &ring) const; + PolynomialOver<Ring> Inverse(const Ring &ring) const; + + PolynomialOver<Ring> Times(const PolynomialOver<Ring>& t, const Ring &ring) const; + PolynomialOver<Ring> DividedBy(const PolynomialOver<Ring>& t, const Ring &ring) const; + PolynomialOver<Ring> Modulo(const PolynomialOver<Ring>& t, const Ring &ring) const; + PolynomialOver<Ring> MultiplicativeInverse(const Ring &ring) const; + bool IsUnit(const Ring &ring) const; + + PolynomialOver<Ring>& Accumulate(const PolynomialOver<Ring>& t, const Ring &ring); + PolynomialOver<Ring>& Reduce(const PolynomialOver<Ring>& t, const Ring &ring); + + //! + PolynomialOver<Ring> Doubled(const Ring &ring) const {return Plus(*this, ring);} + //! + PolynomialOver<Ring> Squared(const Ring &ring) const {return Times(*this, ring);} + + CoefficientType EvaluateAt(const CoefficientType &x, const Ring &ring) const; + + PolynomialOver<Ring>& ShiftLeft(unsigned int n, const Ring &ring); + PolynomialOver<Ring>& ShiftRight(unsigned int n, const Ring &ring); + + //! calculate r and q such that (a == d*q + r) && (0 <= degree of r < degree of d) + static void Divide(PolynomialOver<Ring> &r, PolynomialOver<Ring> &q, const PolynomialOver<Ring> &a, const PolynomialOver<Ring> &d, const Ring &ring); + //@} + + //! \name INPUT/OUTPUT + //@{ + std::istream& Input(std::istream &in, const Ring &ring); + std::ostream& Output(std::ostream &out, const Ring &ring) const; + //@} + +private: + void FromStr(const char *str, const Ring &ring); + + std::vector<CoefficientType> m_coefficients; +}; + +//! Polynomials over a fixed ring +/*! Having a fixed ring allows overloaded operators */ +template <class T, int instance> class PolynomialOverFixedRing : private PolynomialOver<T> +{ + typedef PolynomialOver<T> B; + typedef PolynomialOverFixedRing<T, instance> ThisType; + +public: + typedef T Ring; + typedef typename T::Element CoefficientType; + typedef typename B::DivideByZero DivideByZero; + typedef typename B::RandomizationParameter RandomizationParameter; + + //! \name CREATORS + //@{ + //! creates the zero polynomial + PolynomialOverFixedRing(unsigned int count = 0) : B(ms_fixedRing, count) {} + + //! copy constructor + PolynomialOverFixedRing(const ThisType &t) : B(t) {} + + explicit PolynomialOverFixedRing(const B &t) : B(t) {} + + //! construct constant polynomial + PolynomialOverFixedRing(const CoefficientType &element) : B(element) {} + + //! construct polynomial with specified coefficients, starting from coefficient of x^0 + template <typename Iterator> PolynomialOverFixedRing(Iterator first, Iterator last) + : B(first, last) {} + + //! convert from string + explicit PolynomialOverFixedRing(const char *str) : B(str, ms_fixedRing) {} + + //! convert from big-endian byte array + PolynomialOverFixedRing(const byte *encodedPoly, unsigned int byteCount) : B(encodedPoly, byteCount) {} + + //! convert from Basic Encoding Rules encoded byte array + explicit PolynomialOverFixedRing(const byte *BEREncodedPoly) : B(BEREncodedPoly) {} + + //! convert from BER encoded byte array stored in a BufferedTransformation object + explicit PolynomialOverFixedRing(BufferedTransformation &bt) : B(bt) {} + + //! create a random PolynomialOverFixedRing + PolynomialOverFixedRing(RandomNumberGenerator &rng, const RandomizationParameter ¶meter) : B(rng, parameter, ms_fixedRing) {} + + static const ThisType &Zero(); + static const ThisType &One(); + //@} + + //! \name ACCESSORS + //@{ + //! the zero polynomial will return a degree of -1 + int Degree() const {return B::Degree(ms_fixedRing);} + //! degree + 1 + unsigned int CoefficientCount() const {return B::CoefficientCount(ms_fixedRing);} + //! return coefficient for x^i + CoefficientType GetCoefficient(unsigned int i) const {return B::GetCoefficient(i, ms_fixedRing);} + //! return coefficient for x^i + CoefficientType operator[](unsigned int i) const {return B::GetCoefficient(i, ms_fixedRing);} + //@} + + //! \name MANIPULATORS + //@{ + //! + ThisType& operator=(const ThisType& t) {B::operator=(t); return *this;} + //! + ThisType& operator+=(const ThisType& t) {Accumulate(t, ms_fixedRing); return *this;} + //! + ThisType& operator-=(const ThisType& t) {Reduce(t, ms_fixedRing); return *this;} + //! + ThisType& operator*=(const ThisType& t) {return *this = *this*t;} + //! + ThisType& operator/=(const ThisType& t) {return *this = *this/t;} + //! + ThisType& operator%=(const ThisType& t) {return *this = *this%t;} + + //! + ThisType& operator<<=(unsigned int n) {ShiftLeft(n, ms_fixedRing); return *this;} + //! + ThisType& operator>>=(unsigned int n) {ShiftRight(n, ms_fixedRing); return *this;} + + //! set the coefficient for x^i to value + void SetCoefficient(unsigned int i, const CoefficientType &value) {B::SetCoefficient(i, value, ms_fixedRing);} + + //! + void Randomize(RandomNumberGenerator &rng, const RandomizationParameter ¶meter) {B::Randomize(rng, parameter, ms_fixedRing);} + + //! + void Negate() {B::Negate(ms_fixedRing);} + + void swap(ThisType &t) {B::swap(t);} + //@} + + //! \name UNARY OPERATORS + //@{ + //! + bool operator!() const {return CoefficientCount()==0;} + //! + ThisType operator+() const {return *this;} + //! + ThisType operator-() const {return ThisType(Inverse(ms_fixedRing));} + //@} + + //! \name BINARY OPERATORS + //@{ + //! + friend ThisType operator>>(ThisType a, unsigned int n) {return ThisType(a>>=n);} + //! + friend ThisType operator<<(ThisType a, unsigned int n) {return ThisType(a<<=n);} + //@} + + //! \name OTHER ARITHMETIC FUNCTIONS + //@{ + //! + ThisType MultiplicativeInverse() const {return ThisType(B::MultiplicativeInverse(ms_fixedRing));} + //! + bool IsUnit() const {return B::IsUnit(ms_fixedRing);} + + //! + ThisType Doubled() const {return ThisType(B::Doubled(ms_fixedRing));} + //! + ThisType Squared() const {return ThisType(B::Squared(ms_fixedRing));} + + CoefficientType EvaluateAt(const CoefficientType &x) const {return B::EvaluateAt(x, ms_fixedRing);} + + //! calculate r and q such that (a == d*q + r) && (0 <= r < abs(d)) + static void Divide(ThisType &r, ThisType &q, const ThisType &a, const ThisType &d) + {B::Divide(r, q, a, d, ms_fixedRing);} + //@} + + //! \name INPUT/OUTPUT + //@{ + //! + friend std::istream& operator>>(std::istream& in, ThisType &a) + {return a.Input(in, ms_fixedRing);} + //! + friend std::ostream& operator<<(std::ostream& out, const ThisType &a) + {return a.Output(out, ms_fixedRing);} + //@} + +private: + struct NewOnePolynomial + { + ThisType * operator()() const + { + return new ThisType(ms_fixedRing.MultiplicativeIdentity()); + } + }; + + static const Ring ms_fixedRing; +}; + +//! Ring of polynomials over another ring +template <class T> class RingOfPolynomialsOver : public AbstractEuclideanDomain<PolynomialOver<T> > +{ +public: + typedef T CoefficientRing; + typedef PolynomialOver<T> Element; + typedef typename Element::CoefficientType CoefficientType; + typedef typename Element::RandomizationParameter RandomizationParameter; + + RingOfPolynomialsOver(const CoefficientRing &ring) : m_ring(ring) {} + + Element RandomElement(RandomNumberGenerator &rng, const RandomizationParameter ¶meter) + {return Element(rng, parameter, m_ring);} + + bool Equal(const Element &a, const Element &b) const + {return a.Equals(b, m_ring);} + + const Element& Identity() const + {return this->result = m_ring.Identity();} + + const Element& Add(const Element &a, const Element &b) const + {return this->result = a.Plus(b, m_ring);} + + Element& Accumulate(Element &a, const Element &b) const + {a.Accumulate(b, m_ring); return a;} + + const Element& Inverse(const Element &a) const + {return this->result = a.Inverse(m_ring);} + + const Element& Subtract(const Element &a, const Element &b) const + {return this->result = a.Minus(b, m_ring);} + + Element& Reduce(Element &a, const Element &b) const + {return a.Reduce(b, m_ring);} + + const Element& Double(const Element &a) const + {return this->result = a.Doubled(m_ring);} + + const Element& MultiplicativeIdentity() const + {return this->result = m_ring.MultiplicativeIdentity();} + + const Element& Multiply(const Element &a, const Element &b) const + {return this->result = a.Times(b, m_ring);} + + const Element& Square(const Element &a) const + {return this->result = a.Squared(m_ring);} + + bool IsUnit(const Element &a) const + {return a.IsUnit(m_ring);} + + const Element& MultiplicativeInverse(const Element &a) const + {return this->result = a.MultiplicativeInverse(m_ring);} + + const Element& Divide(const Element &a, const Element &b) const + {return this->result = a.DividedBy(b, m_ring);} + + const Element& Mod(const Element &a, const Element &b) const + {return this->result = a.Modulo(b, m_ring);} + + void DivisionAlgorithm(Element &r, Element &q, const Element &a, const Element &d) const + {Element::Divide(r, q, a, d, m_ring);} + + class InterpolationFailed : public Exception + { + public: + InterpolationFailed() : Exception(OTHER_ERROR, "RingOfPolynomialsOver<T>: interpolation failed") {} + }; + + Element Interpolate(const CoefficientType x[], const CoefficientType y[], unsigned int n) const; + + // a faster version of Interpolate(x, y, n).EvaluateAt(position) + CoefficientType InterpolateAt(const CoefficientType &position, const CoefficientType x[], const CoefficientType y[], unsigned int n) const; +/* + void PrepareBulkInterpolation(CoefficientType *w, const CoefficientType x[], unsigned int n) const; + void PrepareBulkInterpolationAt(CoefficientType *v, const CoefficientType &position, const CoefficientType x[], const CoefficientType w[], unsigned int n) const; + CoefficientType BulkInterpolateAt(const CoefficientType y[], const CoefficientType v[], unsigned int n) const; +*/ +protected: + void CalculateAlpha(std::vector<CoefficientType> &alpha, const CoefficientType x[], const CoefficientType y[], unsigned int n) const; + + CoefficientRing m_ring; +}; + +template <class Ring, class Element> +void PrepareBulkPolynomialInterpolation(const Ring &ring, Element *w, const Element x[], unsigned int n); +template <class Ring, class Element> +void PrepareBulkPolynomialInterpolationAt(const Ring &ring, Element *v, const Element &position, const Element x[], const Element w[], unsigned int n); +template <class Ring, class Element> +Element BulkPolynomialInterpolateAt(const Ring &ring, const Element y[], const Element v[], unsigned int n); + +//! +template <class T, int instance> +inline bool operator==(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return a.Equals(b, a.ms_fixedRing);} +//! +template <class T, int instance> +inline bool operator!=(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return !(a==b);} + +//! +template <class T, int instance> +inline bool operator> (const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return a.Degree() > b.Degree();} +//! +template <class T, int instance> +inline bool operator>=(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return a.Degree() >= b.Degree();} +//! +template <class T, int instance> +inline bool operator< (const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return a.Degree() < b.Degree();} +//! +template <class T, int instance> +inline bool operator<=(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return a.Degree() <= b.Degree();} + +//! +template <class T, int instance> +inline CryptoPP::PolynomialOverFixedRing<T, instance> operator+(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return CryptoPP::PolynomialOverFixedRing<T, instance>(a.Plus(b, a.ms_fixedRing));} +//! +template <class T, int instance> +inline CryptoPP::PolynomialOverFixedRing<T, instance> operator-(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return CryptoPP::PolynomialOverFixedRing<T, instance>(a.Minus(b, a.ms_fixedRing));} +//! +template <class T, int instance> +inline CryptoPP::PolynomialOverFixedRing<T, instance> operator*(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return CryptoPP::PolynomialOverFixedRing<T, instance>(a.Times(b, a.ms_fixedRing));} +//! +template <class T, int instance> +inline CryptoPP::PolynomialOverFixedRing<T, instance> operator/(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return CryptoPP::PolynomialOverFixedRing<T, instance>(a.DividedBy(b, a.ms_fixedRing));} +//! +template <class T, int instance> +inline CryptoPP::PolynomialOverFixedRing<T, instance> operator%(const CryptoPP::PolynomialOverFixedRing<T, instance> &a, const CryptoPP::PolynomialOverFixedRing<T, instance> &b) + {return CryptoPP::PolynomialOverFixedRing<T, instance>(a.Modulo(b, a.ms_fixedRing));} + +NAMESPACE_END + +NAMESPACE_BEGIN(std) +template<class T> inline void swap(CryptoPP::PolynomialOver<T> &a, CryptoPP::PolynomialOver<T> &b) +{ + a.swap(b); +} +template<class T, int i> inline void swap(CryptoPP::PolynomialOverFixedRing<T,i> &a, CryptoPP::PolynomialOverFixedRing<T,i> &b) +{ + a.swap(b); +} +NAMESPACE_END + +#endif diff --git a/CryptoPP/pssr.cpp b/CryptoPP/pssr.cpp new file mode 100644 index 000000000..ccbe4ee27 --- /dev/null +++ b/CryptoPP/pssr.cpp @@ -0,0 +1,145 @@ +// pssr.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "pssr.h" +#include <functional> + +NAMESPACE_BEGIN(CryptoPP) + +// more in dll.cpp +template<> const byte EMSA2HashId<RIPEMD160>::id = 0x31; +template<> const byte EMSA2HashId<RIPEMD128>::id = 0x32; +template<> const byte EMSA2HashId<Whirlpool>::id = 0x37; + +#ifndef CRYPTOPP_IMPORTS + +size_t PSSR_MEM_Base::MinRepresentativeBitLength(size_t hashIdentifierLength, size_t digestLength) const +{ + size_t saltLen = SaltLen(digestLength); + size_t minPadLen = MinPadLen(digestLength); + return 9 + 8*(minPadLen + saltLen + digestLength + hashIdentifierLength); +} + +size_t PSSR_MEM_Base::MaxRecoverableLength(size_t representativeBitLength, size_t hashIdentifierLength, size_t digestLength) const +{ + if (AllowRecovery()) + return SaturatingSubtract(representativeBitLength, MinRepresentativeBitLength(hashIdentifierLength, digestLength)) / 8; + return 0; +} + +bool PSSR_MEM_Base::IsProbabilistic() const +{ + return SaltLen(1) > 0; +} + +bool PSSR_MEM_Base::AllowNonrecoverablePart() const +{ + return true; +} + +bool PSSR_MEM_Base::RecoverablePartFirst() const +{ + return false; +} + +void PSSR_MEM_Base::ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + assert(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize())); + + const size_t u = hashIdentifier.second + 1; + const size_t representativeByteLength = BitsToBytes(representativeBitLength); + const size_t digestSize = hash.DigestSize(); + const size_t saltSize = SaltLen(digestSize); + byte *const h = representative + representativeByteLength - u - digestSize; + + SecByteBlock digest(digestSize), salt(saltSize); + hash.Final(digest); + rng.GenerateBlock(salt, saltSize); + + // compute H = hash of M' + byte c[8]; + PutWord(false, BIG_ENDIAN_ORDER, c, (word32)SafeRightShift<29>(recoverableMessageLength)); + PutWord(false, BIG_ENDIAN_ORDER, c+4, word32(recoverableMessageLength << 3)); + hash.Update(c, 8); + hash.Update(recoverableMessage, recoverableMessageLength); + hash.Update(digest, digestSize); + hash.Update(salt, saltSize); + hash.Final(h); + + // compute representative + GetMGF().GenerateAndMask(hash, representative, representativeByteLength - u - digestSize, h, digestSize, false); + byte *xorStart = representative + representativeByteLength - u - digestSize - salt.size() - recoverableMessageLength - 1; + xorStart[0] ^= 1; + xorbuf(xorStart + 1, recoverableMessage, recoverableMessageLength); + xorbuf(xorStart + 1 + recoverableMessageLength, salt, salt.size()); + memcpy(representative + representativeByteLength - u, hashIdentifier.first, hashIdentifier.second); + representative[representativeByteLength - 1] = hashIdentifier.second ? 0xcc : 0xbc; + if (representativeBitLength % 8 != 0) + representative[0] = (byte)Crop(representative[0], representativeBitLength % 8); +} + +DecodingResult PSSR_MEM_Base::RecoverMessageFromRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength, + byte *recoverableMessage) const +{ + assert(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize())); + + const size_t u = hashIdentifier.second + 1; + const size_t representativeByteLength = BitsToBytes(representativeBitLength); + const size_t digestSize = hash.DigestSize(); + const size_t saltSize = SaltLen(digestSize); + const byte *const h = representative + representativeByteLength - u - digestSize; + + SecByteBlock digest(digestSize); + hash.Final(digest); + + DecodingResult result(0); + bool &valid = result.isValidCoding; + size_t &recoverableMessageLength = result.messageLength; + + valid = (representative[representativeByteLength - 1] == (hashIdentifier.second ? 0xcc : 0xbc)) && valid; + valid = VerifyBufsEqual(representative + representativeByteLength - u, hashIdentifier.first, hashIdentifier.second) && valid; + + GetMGF().GenerateAndMask(hash, representative, representativeByteLength - u - digestSize, h, digestSize); + if (representativeBitLength % 8 != 0) + representative[0] = (byte)Crop(representative[0], representativeBitLength % 8); + + // extract salt and recoverableMessage from DB = 00 ... || 01 || M || salt + byte *salt = representative + representativeByteLength - u - digestSize - saltSize; + byte *M = std::find_if(representative, salt-1, std::bind2nd(std::not_equal_to<byte>(), 0)); + recoverableMessageLength = salt-M-1; + if (*M == 0x01 + && (size_t)(M - representative - (representativeBitLength % 8 != 0)) >= MinPadLen(digestSize) + && recoverableMessageLength <= MaxRecoverableLength(representativeBitLength, hashIdentifier.second, digestSize)) + { + memcpy(recoverableMessage, M+1, recoverableMessageLength); + } + else + { + recoverableMessageLength = 0; + valid = false; + } + + // verify H = hash of M' + byte c[8]; + PutWord(false, BIG_ENDIAN_ORDER, c, (word32)SafeRightShift<29>(recoverableMessageLength)); + PutWord(false, BIG_ENDIAN_ORDER, c+4, word32(recoverableMessageLength << 3)); + hash.Update(c, 8); + hash.Update(recoverableMessage, recoverableMessageLength); + hash.Update(digest, digestSize); + hash.Update(salt, saltSize); + valid = hash.Verify(h) && valid; + + if (!AllowRecovery() && valid && recoverableMessageLength != 0) + {throw NotImplemented("PSSR_MEM: message recovery disabled");} + + return result; +} + +#endif + +NAMESPACE_END diff --git a/CryptoPP/pssr.h b/CryptoPP/pssr.h new file mode 100644 index 000000000..6ec6936e5 --- /dev/null +++ b/CryptoPP/pssr.h @@ -0,0 +1,66 @@ +#ifndef CRYPTOPP_PSSR_H +#define CRYPTOPP_PSSR_H + +#include "pubkey.h" +#include "emsa2.h" + +#ifdef CRYPTOPP_IS_DLL +#include "sha.h" +#endif + +NAMESPACE_BEGIN(CryptoPP) + +class CRYPTOPP_DLL PSSR_MEM_Base : public PK_RecoverableSignatureMessageEncodingMethod +{ + virtual bool AllowRecovery() const =0; + virtual size_t SaltLen(size_t hashLen) const =0; + virtual size_t MinPadLen(size_t hashLen) const =0; + virtual const MaskGeneratingFunction & GetMGF() const =0; + +public: + size_t MinRepresentativeBitLength(size_t hashIdentifierLength, size_t digestLength) const; + size_t MaxRecoverableLength(size_t representativeBitLength, size_t hashIdentifierLength, size_t digestLength) const; + bool IsProbabilistic() const; + bool AllowNonrecoverablePart() const; + bool RecoverablePartFirst() const; + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; + DecodingResult RecoverMessageFromRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength, + byte *recoverableMessage) const; +}; + +template <bool USE_HASH_ID> class PSSR_MEM_BaseWithHashId; +template<> class PSSR_MEM_BaseWithHashId<true> : public EMSA2HashIdLookup<PSSR_MEM_Base> {}; +template<> class PSSR_MEM_BaseWithHashId<false> : public PSSR_MEM_Base {}; + +template <bool ALLOW_RECOVERY, class MGF=P1363_MGF1, int SALT_LEN=-1, int MIN_PAD_LEN=0, bool USE_HASH_ID=false> +class PSSR_MEM : public PSSR_MEM_BaseWithHashId<USE_HASH_ID> +{ + virtual bool AllowRecovery() const {return ALLOW_RECOVERY;} + virtual size_t SaltLen(size_t hashLen) const {return SALT_LEN < 0 ? hashLen : SALT_LEN;} + virtual size_t MinPadLen(size_t hashLen) const {return MIN_PAD_LEN < 0 ? hashLen : MIN_PAD_LEN;} + virtual const MaskGeneratingFunction & GetMGF() const {static MGF mgf; return mgf;} + +public: + static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string(ALLOW_RECOVERY ? "PSSR-" : "PSS-") + MGF::StaticAlgorithmName();} +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSSR-MGF1">PSSR-MGF1</a> +struct PSSR : public SignatureStandard +{ + typedef PSSR_MEM<true> SignatureMessageEncodingMethod; +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSS-MGF1">PSS-MGF1</a> +struct PSS : public SignatureStandard +{ + typedef PSSR_MEM<false> SignatureMessageEncodingMethod; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/pubkey.cpp b/CryptoPP/pubkey.cpp new file mode 100644 index 000000000..1159e5343 --- /dev/null +++ b/CryptoPP/pubkey.cpp @@ -0,0 +1,165 @@ +// pubkey.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +void P1363_MGF1KDF2_Common(HashTransformation &hash, byte *output, size_t outputLength, const byte *input, size_t inputLength, const byte *derivationParams, size_t derivationParamsLength, bool mask, unsigned int counterStart) +{ + ArraySink *sink; + HashFilter filter(hash, sink = mask ? new ArrayXorSink(output, outputLength) : new ArraySink(output, outputLength)); + word32 counter = counterStart; + while (sink->AvailableSize() > 0) + { + filter.Put(input, inputLength); + filter.PutWord32(counter++); + filter.Put(derivationParams, derivationParamsLength); + filter.MessageEnd(); + } +} + +bool PK_DeterministicSignatureMessageEncodingMethod::VerifyMessageRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + SecByteBlock computedRepresentative(BitsToBytes(representativeBitLength)); + ComputeMessageRepresentative(NullRNG(), NULL, 0, hash, hashIdentifier, messageEmpty, computedRepresentative, representativeBitLength); + return VerifyBufsEqual(representative, computedRepresentative, computedRepresentative.size()); +} + +bool PK_RecoverableSignatureMessageEncodingMethod::VerifyMessageRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const +{ + SecByteBlock recoveredMessage(MaxRecoverableLength(representativeBitLength, hashIdentifier.second, hash.DigestSize())); + DecodingResult result = RecoverMessageFromRepresentative( + hash, hashIdentifier, messageEmpty, representative, representativeBitLength, recoveredMessage); + return result.isValidCoding && result.messageLength == 0; +} + +void TF_SignerBase::InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const +{ + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + HashIdentifier id = GetHashIdentifier(); + const MessageEncodingInterface &encoding = GetMessageEncodingInterface(); + + if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize())) + throw PK_SignatureScheme::KeyTooShort(); + + size_t maxRecoverableLength = encoding.MaxRecoverableLength(MessageRepresentativeBitLength(), GetHashIdentifier().second, ma.AccessHash().DigestSize()); + + if (maxRecoverableLength == 0) + {throw NotImplemented("TF_SignerBase: this algorithm does not support messsage recovery or the key is too short");} + if (recoverableMessageLength > maxRecoverableLength) + throw InvalidArgument("TF_SignerBase: the recoverable message part is too long for the given key and algorithm"); + + ma.m_recoverableMessage.Assign(recoverableMessage, recoverableMessageLength); + encoding.ProcessRecoverableMessage( + ma.AccessHash(), + recoverableMessage, recoverableMessageLength, + NULL, 0, ma.m_semisignature); +} + +size_t TF_SignerBase::SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart) const +{ + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + HashIdentifier id = GetHashIdentifier(); + const MessageEncodingInterface &encoding = GetMessageEncodingInterface(); + + if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize())) + throw PK_SignatureScheme::KeyTooShort(); + + SecByteBlock representative(MessageRepresentativeLength()); + encoding.ComputeMessageRepresentative(rng, + ma.m_recoverableMessage, ma.m_recoverableMessage.size(), + ma.AccessHash(), id, ma.m_empty, + representative, MessageRepresentativeBitLength()); + ma.m_empty = true; + + Integer r(representative, representative.size()); + size_t signatureLength = SignatureLength(); + GetTrapdoorFunctionInterface().CalculateRandomizedInverse(rng, r).Encode(signature, signatureLength); + return signatureLength; +} + +void TF_VerifierBase::InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const +{ + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + HashIdentifier id = GetHashIdentifier(); + const MessageEncodingInterface &encoding = GetMessageEncodingInterface(); + + if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize())) + throw PK_SignatureScheme::KeyTooShort(); + + ma.m_representative.New(MessageRepresentativeLength()); + Integer x = GetTrapdoorFunctionInterface().ApplyFunction(Integer(signature, signatureLength)); + if (x.BitCount() > MessageRepresentativeBitLength()) + x = Integer::Zero(); // don't return false here to prevent timing attack + x.Encode(ma.m_representative, ma.m_representative.size()); +} + +bool TF_VerifierBase::VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const +{ + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + HashIdentifier id = GetHashIdentifier(); + const MessageEncodingInterface &encoding = GetMessageEncodingInterface(); + + if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize())) + throw PK_SignatureScheme::KeyTooShort(); + + bool result = encoding.VerifyMessageRepresentative( + ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength()); + ma.m_empty = true; + return result; +} + +DecodingResult TF_VerifierBase::RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &messageAccumulator) const +{ + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + HashIdentifier id = GetHashIdentifier(); + const MessageEncodingInterface &encoding = GetMessageEncodingInterface(); + + if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize())) + throw PK_SignatureScheme::KeyTooShort(); + + DecodingResult result = encoding.RecoverMessageFromRepresentative( + ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength(), recoveredMessage); + ma.m_empty = true; + return result; +} + +DecodingResult TF_DecryptorBase::Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters) const +{ + if (ciphertextLength != FixedCiphertextLength()) + throw InvalidArgument(AlgorithmName() + ": ciphertext length of " + IntToString(ciphertextLength) + " doesn't match the required length of " + IntToString(FixedCiphertextLength()) + " for this key"); + + SecByteBlock paddedBlock(PaddedBlockByteLength()); + Integer x = GetTrapdoorFunctionInterface().CalculateInverse(rng, Integer(ciphertext, ciphertextLength)); + if (x.ByteCount() > paddedBlock.size()) + x = Integer::Zero(); // don't return false here to prevent timing attack + x.Encode(paddedBlock, paddedBlock.size()); + return GetMessageEncodingInterface().Unpad(paddedBlock, PaddedBlockBitLength(), plaintext, parameters); +} + +void TF_EncryptorBase::Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters) const +{ + if (plaintextLength > FixedMaxPlaintextLength()) + { + if (FixedMaxPlaintextLength() < 1) + throw InvalidArgument(AlgorithmName() + ": this key is too short to encrypt any messages"); + else + throw InvalidArgument(AlgorithmName() + ": message length of " + IntToString(plaintextLength) + " exceeds the maximum of " + IntToString(FixedMaxPlaintextLength()) + " for this public key"); + } + + SecByteBlock paddedBlock(PaddedBlockByteLength()); + GetMessageEncodingInterface().Pad(rng, plaintext, plaintextLength, paddedBlock, PaddedBlockBitLength(), parameters); + GetTrapdoorFunctionInterface().ApplyRandomizedFunction(rng, Integer(paddedBlock, paddedBlock.size())).Encode(ciphertext, FixedCiphertextLength()); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/pubkey.h b/CryptoPP/pubkey.h new file mode 100644 index 000000000..3a3f3bcde --- /dev/null +++ b/CryptoPP/pubkey.h @@ -0,0 +1,1678 @@ +// pubkey.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_PUBKEY_H +#define CRYPTOPP_PUBKEY_H + +/** \file + + This file contains helper classes/functions for implementing public key algorithms. + + The class hierachies in this .h file tend to look like this: +<pre> + x1 + / \ + y1 z1 + | | + x2<y1> x2<z1> + | | + y2 z2 + | | + x3<y2> x3<z2> + | | + y3 z3 +</pre> + - x1, y1, z1 are abstract interface classes defined in cryptlib.h + - x2, y2, z2 are implementations of the interfaces using "abstract policies", which + are pure virtual functions that should return interfaces to interchangeable algorithms. + These classes have "Base" suffixes. + - x3, y3, z3 hold actual algorithms and implement those virtual functions. + These classes have "Impl" suffixes. + + The "TF_" prefix means an implementation using trapdoor functions on integers. + The "DL_" prefix means an implementation using group operations (in groups where discrete log is hard). +*/ + +#include "modarith.h" +#include "filters.h" +#include "eprecomp.h" +#include "fips140.h" +#include "argnames.h" +#include <memory> + +// VC60 workaround: this macro is defined in shlobj.h and conflicts with a template parameter used in this file +#undef INTERFACE + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TrapdoorFunctionBounds +{ +public: + virtual ~TrapdoorFunctionBounds() {} + + virtual Integer PreimageBound() const =0; + virtual Integer ImageBound() const =0; + virtual Integer MaxPreimage() const {return --PreimageBound();} + virtual Integer MaxImage() const {return --ImageBound();} +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE RandomizedTrapdoorFunction : public TrapdoorFunctionBounds +{ +public: + virtual Integer ApplyRandomizedFunction(RandomNumberGenerator &rng, const Integer &x) const =0; + virtual bool IsRandomized() const {return true;} +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TrapdoorFunction : public RandomizedTrapdoorFunction +{ +public: + Integer ApplyRandomizedFunction(RandomNumberGenerator &rng, const Integer &x) const + {return ApplyFunction(x);} + bool IsRandomized() const {return false;} + + virtual Integer ApplyFunction(const Integer &x) const =0; +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE RandomizedTrapdoorFunctionInverse +{ +public: + virtual ~RandomizedTrapdoorFunctionInverse() {} + + virtual Integer CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const =0; + virtual bool IsRandomized() const {return true;} +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TrapdoorFunctionInverse : public RandomizedTrapdoorFunctionInverse +{ +public: + virtual ~TrapdoorFunctionInverse() {} + + Integer CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const + {return CalculateInverse(rng, x);} + bool IsRandomized() const {return false;} + + virtual Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const =0; +}; + +// ******************************************************** + +//! message encoding method for public key encryption +class CRYPTOPP_NO_VTABLE PK_EncryptionMessageEncodingMethod +{ +public: + virtual ~PK_EncryptionMessageEncodingMethod() {} + + virtual bool ParameterSupported(const char *name) const {return false;} + + //! max size of unpadded message in bytes, given max size of padded message in bits (1 less than size of modulus) + virtual size_t MaxUnpaddedLength(size_t paddedLength) const =0; + + virtual void Pad(RandomNumberGenerator &rng, const byte *raw, size_t inputLength, byte *padded, size_t paddedBitLength, const NameValuePairs ¶meters) const =0; + + virtual DecodingResult Unpad(const byte *padded, size_t paddedBitLength, byte *raw, const NameValuePairs ¶meters) const =0; +}; + +// ******************************************************** + +//! _ +template <class TFI, class MEI> +class CRYPTOPP_NO_VTABLE TF_Base +{ +protected: + virtual const TrapdoorFunctionBounds & GetTrapdoorFunctionBounds() const =0; + + typedef TFI TrapdoorFunctionInterface; + virtual const TrapdoorFunctionInterface & GetTrapdoorFunctionInterface() const =0; + + typedef MEI MessageEncodingInterface; + virtual const MessageEncodingInterface & GetMessageEncodingInterface() const =0; +}; + +// ******************************************************** + +//! _ +template <class BASE> +class CRYPTOPP_NO_VTABLE PK_FixedLengthCryptoSystemImpl : public BASE +{ +public: + size_t MaxPlaintextLength(size_t ciphertextLength) const + {return ciphertextLength == FixedCiphertextLength() ? FixedMaxPlaintextLength() : 0;} + size_t CiphertextLength(size_t plaintextLength) const + {return plaintextLength <= FixedMaxPlaintextLength() ? FixedCiphertextLength() : 0;} + + virtual size_t FixedMaxPlaintextLength() const =0; + virtual size_t FixedCiphertextLength() const =0; +}; + +//! _ +template <class INTERFACE, class BASE> +class CRYPTOPP_NO_VTABLE TF_CryptoSystemBase : public PK_FixedLengthCryptoSystemImpl<INTERFACE>, protected BASE +{ +public: + bool ParameterSupported(const char *name) const {return this->GetMessageEncodingInterface().ParameterSupported(name);} + size_t FixedMaxPlaintextLength() const {return this->GetMessageEncodingInterface().MaxUnpaddedLength(PaddedBlockBitLength());} + size_t FixedCiphertextLength() const {return this->GetTrapdoorFunctionBounds().MaxImage().ByteCount();} + +protected: + size_t PaddedBlockByteLength() const {return BitsToBytes(PaddedBlockBitLength());} + size_t PaddedBlockBitLength() const {return this->GetTrapdoorFunctionBounds().PreimageBound().BitCount()-1;} +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_DecryptorBase : public TF_CryptoSystemBase<PK_Decryptor, TF_Base<TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod> > +{ +public: + DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const; +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_EncryptorBase : public TF_CryptoSystemBase<PK_Encryptor, TF_Base<RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod> > +{ +public: + void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const; +}; + +// ******************************************************** + +typedef std::pair<const byte *, size_t> HashIdentifier; + +//! interface for message encoding method for public key signature schemes +class CRYPTOPP_NO_VTABLE PK_SignatureMessageEncodingMethod +{ +public: + virtual ~PK_SignatureMessageEncodingMethod() {} + + virtual size_t MinRepresentativeBitLength(size_t hashIdentifierLength, size_t digestLength) const + {return 0;} + virtual size_t MaxRecoverableLength(size_t representativeBitLength, size_t hashIdentifierLength, size_t digestLength) const + {return 0;} + + bool IsProbabilistic() const + {return true;} + bool AllowNonrecoverablePart() const + {throw NotImplemented("PK_MessageEncodingMethod: this signature scheme does not support message recovery");} + virtual bool RecoverablePartFirst() const + {throw NotImplemented("PK_MessageEncodingMethod: this signature scheme does not support message recovery");} + + // for verification, DL + virtual void ProcessSemisignature(HashTransformation &hash, const byte *semisignature, size_t semisignatureLength) const {} + + // for signature + virtual void ProcessRecoverableMessage(HashTransformation &hash, + const byte *recoverableMessage, size_t recoverableMessageLength, + const byte *presignature, size_t presignatureLength, + SecByteBlock &semisignature) const + { + if (RecoverablePartFirst()) + assert(!"ProcessRecoverableMessage() not implemented"); + } + + virtual void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const =0; + + virtual bool VerifyMessageRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const =0; + + virtual DecodingResult RecoverMessageFromRepresentative( // for TF + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength, + byte *recoveredMessage) const + {throw NotImplemented("PK_MessageEncodingMethod: this signature scheme does not support message recovery");} + + virtual DecodingResult RecoverMessageFromSemisignature( // for DL + HashTransformation &hash, HashIdentifier hashIdentifier, + const byte *presignature, size_t presignatureLength, + const byte *semisignature, size_t semisignatureLength, + byte *recoveredMessage) const + {throw NotImplemented("PK_MessageEncodingMethod: this signature scheme does not support message recovery");} + + // VC60 workaround + struct HashIdentifierLookup + { + template <class H> struct HashIdentifierLookup2 + { + static HashIdentifier CRYPTOPP_API Lookup() + { + return HashIdentifier((const byte *)NULL, 0); + } + }; + }; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_DeterministicSignatureMessageEncodingMethod : public PK_SignatureMessageEncodingMethod +{ +public: + bool VerifyMessageRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_RecoverableSignatureMessageEncodingMethod : public PK_SignatureMessageEncodingMethod +{ +public: + bool VerifyMessageRepresentative( + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; +}; + +class CRYPTOPP_DLL DL_SignatureMessageEncodingMethod_DSA : public PK_DeterministicSignatureMessageEncodingMethod +{ +public: + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; +}; + +class CRYPTOPP_DLL DL_SignatureMessageEncodingMethod_NR : public PK_DeterministicSignatureMessageEncodingMethod +{ +public: + void ComputeMessageRepresentative(RandomNumberGenerator &rng, + const byte *recoverableMessage, size_t recoverableMessageLength, + HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, + byte *representative, size_t representativeBitLength) const; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE PK_MessageAccumulatorBase : public PK_MessageAccumulator +{ +public: + PK_MessageAccumulatorBase() : m_empty(true) {} + + virtual HashTransformation & AccessHash() =0; + + void Update(const byte *input, size_t length) + { + AccessHash().Update(input, length); + m_empty = m_empty && length == 0; + } + + SecByteBlock m_recoverableMessage, m_representative, m_presignature, m_semisignature; + Integer m_k, m_s; + bool m_empty; +}; + +template <class HASH_ALGORITHM> +class PK_MessageAccumulatorImpl : public PK_MessageAccumulatorBase, protected ObjectHolder<HASH_ALGORITHM> +{ +public: + HashTransformation & AccessHash() {return this->m_object;} +}; + +//! _ +template <class INTERFACE, class BASE> +class CRYPTOPP_NO_VTABLE TF_SignatureSchemeBase : public INTERFACE, protected BASE +{ +public: + size_t SignatureLength() const + {return this->GetTrapdoorFunctionBounds().MaxPreimage().ByteCount();} + size_t MaxRecoverableLength() const + {return this->GetMessageEncodingInterface().MaxRecoverableLength(MessageRepresentativeBitLength(), GetHashIdentifier().second, GetDigestSize());} + size_t MaxRecoverableLengthFromSignatureLength(size_t signatureLength) const + {return this->MaxRecoverableLength();} + + bool IsProbabilistic() const + {return this->GetTrapdoorFunctionInterface().IsRandomized() || this->GetMessageEncodingInterface().IsProbabilistic();} + bool AllowNonrecoverablePart() const + {return this->GetMessageEncodingInterface().AllowNonrecoverablePart();} + bool RecoverablePartFirst() const + {return this->GetMessageEncodingInterface().RecoverablePartFirst();} + +protected: + size_t MessageRepresentativeLength() const {return BitsToBytes(MessageRepresentativeBitLength());} + size_t MessageRepresentativeBitLength() const {return this->GetTrapdoorFunctionBounds().ImageBound().BitCount()-1;} + virtual HashIdentifier GetHashIdentifier() const =0; + virtual size_t GetDigestSize() const =0; +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_SignerBase : public TF_SignatureSchemeBase<PK_Signer, TF_Base<RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod> > +{ +public: + void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const; + size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const; +}; + +//! _ +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TF_VerifierBase : public TF_SignatureSchemeBase<PK_Verifier, TF_Base<TrapdoorFunction, PK_SignatureMessageEncodingMethod> > +{ +public: + void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const; + bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const; + DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const; +}; + +// ******************************************************** + +//! _ +template <class T1, class T2, class T3> +struct TF_CryptoSchemeOptions +{ + typedef T1 AlgorithmInfo; + typedef T2 Keys; + typedef typename Keys::PrivateKey PrivateKey; + typedef typename Keys::PublicKey PublicKey; + typedef T3 MessageEncodingMethod; +}; + +//! _ +template <class T1, class T2, class T3, class T4> +struct TF_SignatureSchemeOptions : public TF_CryptoSchemeOptions<T1, T2, T3> +{ + typedef T4 HashFunction; +}; + +//! _ +template <class BASE, class SCHEME_OPTIONS, class KEY_CLASS> +class CRYPTOPP_NO_VTABLE TF_ObjectImplBase : public AlgorithmImpl<BASE, typename SCHEME_OPTIONS::AlgorithmInfo> +{ +public: + typedef SCHEME_OPTIONS SchemeOptions; + typedef KEY_CLASS KeyClass; + + PublicKey & AccessPublicKey() {return AccessKey();} + const PublicKey & GetPublicKey() const {return GetKey();} + + PrivateKey & AccessPrivateKey() {return AccessKey();} + const PrivateKey & GetPrivateKey() const {return GetKey();} + + virtual const KeyClass & GetKey() const =0; + virtual KeyClass & AccessKey() =0; + + const KeyClass & GetTrapdoorFunction() const {return GetKey();} + + PK_MessageAccumulator * NewSignatureAccumulator(RandomNumberGenerator &rng) const + { + return new PK_MessageAccumulatorImpl<CPP_TYPENAME SCHEME_OPTIONS::HashFunction>; + } + PK_MessageAccumulator * NewVerificationAccumulator() const + { + return new PK_MessageAccumulatorImpl<CPP_TYPENAME SCHEME_OPTIONS::HashFunction>; + } + +protected: + const typename BASE::MessageEncodingInterface & GetMessageEncodingInterface() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::MessageEncodingMethod>().Ref();} + const TrapdoorFunctionBounds & GetTrapdoorFunctionBounds() const + {return GetKey();} + const typename BASE::TrapdoorFunctionInterface & GetTrapdoorFunctionInterface() const + {return GetKey();} + + // for signature scheme + HashIdentifier GetHashIdentifier() const + { + typedef CPP_TYPENAME SchemeOptions::MessageEncodingMethod::HashIdentifierLookup::template HashIdentifierLookup2<CPP_TYPENAME SchemeOptions::HashFunction> L; + return L::Lookup(); + } + size_t GetDigestSize() const + { + typedef CPP_TYPENAME SchemeOptions::HashFunction H; + return H::DIGESTSIZE; + } +}; + +//! _ +template <class BASE, class SCHEME_OPTIONS, class KEY> +class TF_ObjectImplExtRef : public TF_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY> +{ +public: + TF_ObjectImplExtRef(const KEY *pKey = NULL) : m_pKey(pKey) {} + void SetKeyPtr(const KEY *pKey) {m_pKey = pKey;} + + const KEY & GetKey() const {return *m_pKey;} + KEY & AccessKey() {throw NotImplemented("TF_ObjectImplExtRef: cannot modify refererenced key");} + +private: + const KEY * m_pKey; +}; + +//! _ +template <class BASE, class SCHEME_OPTIONS, class KEY_CLASS> +class CRYPTOPP_NO_VTABLE TF_ObjectImpl : public TF_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY_CLASS> +{ +public: + typedef KEY_CLASS KeyClass; + + const KeyClass & GetKey() const {return m_trapdoorFunction;} + KeyClass & AccessKey() {return m_trapdoorFunction;} + +private: + KeyClass m_trapdoorFunction; +}; + +//! _ +template <class SCHEME_OPTIONS> +class TF_DecryptorImpl : public TF_ObjectImpl<TF_DecryptorBase, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey> +{ +}; + +//! _ +template <class SCHEME_OPTIONS> +class TF_EncryptorImpl : public TF_ObjectImpl<TF_EncryptorBase, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey> +{ +}; + +//! _ +template <class SCHEME_OPTIONS> +class TF_SignerImpl : public TF_ObjectImpl<TF_SignerBase, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey> +{ +}; + +//! _ +template <class SCHEME_OPTIONS> +class TF_VerifierImpl : public TF_ObjectImpl<TF_VerifierBase, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey> +{ +}; + +// ******************************************************** + +//! _ +class CRYPTOPP_NO_VTABLE MaskGeneratingFunction +{ +public: + virtual ~MaskGeneratingFunction() {} + virtual void GenerateAndMask(HashTransformation &hash, byte *output, size_t outputLength, const byte *input, size_t inputLength, bool mask = true) const =0; +}; + +CRYPTOPP_DLL void CRYPTOPP_API P1363_MGF1KDF2_Common(HashTransformation &hash, byte *output, size_t outputLength, const byte *input, size_t inputLength, const byte *derivationParams, size_t derivationParamsLength, bool mask, unsigned int counterStart); + +//! _ +class P1363_MGF1 : public MaskGeneratingFunction +{ +public: + static const char * CRYPTOPP_API StaticAlgorithmName() {return "MGF1";} + void GenerateAndMask(HashTransformation &hash, byte *output, size_t outputLength, const byte *input, size_t inputLength, bool mask = true) const + { + P1363_MGF1KDF2_Common(hash, output, outputLength, input, inputLength, NULL, 0, mask, 0); + } +}; + +// ******************************************************** + +//! _ +template <class H> +class P1363_KDF2 +{ +public: + static void CRYPTOPP_API DeriveKey(byte *output, size_t outputLength, const byte *input, size_t inputLength, const byte *derivationParams, size_t derivationParamsLength) + { + H h; + P1363_MGF1KDF2_Common(h, output, outputLength, input, inputLength, derivationParams, derivationParamsLength, false, 1); + } +}; + +// ******************************************************** + +//! to be thrown by DecodeElement and AgreeWithStaticPrivateKey +class DL_BadElement : public InvalidDataFormat +{ +public: + DL_BadElement() : InvalidDataFormat("CryptoPP: invalid group element") {} +}; + +//! interface for DL group parameters +template <class T> +class CRYPTOPP_NO_VTABLE DL_GroupParameters : public CryptoParameters +{ + typedef DL_GroupParameters<T> ThisClass; + +public: + typedef T Element; + + DL_GroupParameters() : m_validationLevel(0) {} + + // CryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const + { + if (!GetBasePrecomputation().IsInitialized()) + return false; + + if (m_validationLevel > level) + return true; + + bool pass = ValidateGroup(rng, level); + pass = pass && ValidateElement(level, GetSubgroupGenerator(), &GetBasePrecomputation()); + + m_validationLevel = pass ? level+1 : 0; + + return pass; + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper(this, name, valueType, pValue) + CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupOrder) + CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupGenerator) + ; + } + + bool SupportsPrecomputation() const {return true;} + + void Precompute(unsigned int precomputationStorage=16) + { + AccessBasePrecomputation().Precompute(GetGroupPrecomputation(), GetSubgroupOrder().BitCount(), precomputationStorage); + } + + void LoadPrecomputation(BufferedTransformation &storedPrecomputation) + { + AccessBasePrecomputation().Load(GetGroupPrecomputation(), storedPrecomputation); + m_validationLevel = 0; + } + + void SavePrecomputation(BufferedTransformation &storedPrecomputation) const + { + GetBasePrecomputation().Save(GetGroupPrecomputation(), storedPrecomputation); + } + + // non-inherited + virtual const Element & GetSubgroupGenerator() const {return GetBasePrecomputation().GetBase(GetGroupPrecomputation());} + virtual void SetSubgroupGenerator(const Element &base) {AccessBasePrecomputation().SetBase(GetGroupPrecomputation(), base);} + virtual Element ExponentiateBase(const Integer &exponent) const + { + return GetBasePrecomputation().Exponentiate(GetGroupPrecomputation(), exponent); + } + virtual Element ExponentiateElement(const Element &base, const Integer &exponent) const + { + Element result; + SimultaneousExponentiate(&result, base, &exponent, 1); + return result; + } + + virtual const DL_GroupPrecomputation<Element> & GetGroupPrecomputation() const =0; + virtual const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const =0; + virtual DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() =0; + virtual const Integer & GetSubgroupOrder() const =0; // order of subgroup generated by base element + virtual Integer GetMaxExponent() const =0; + virtual Integer GetGroupOrder() const {return GetSubgroupOrder()*GetCofactor();} // one of these two needs to be overriden + virtual Integer GetCofactor() const {return GetGroupOrder()/GetSubgroupOrder();} + virtual unsigned int GetEncodedElementSize(bool reversible) const =0; + virtual void EncodeElement(bool reversible, const Element &element, byte *encoded) const =0; + virtual Element DecodeElement(const byte *encoded, bool checkForGroupMembership) const =0; + virtual Integer ConvertElementToInteger(const Element &element) const =0; + virtual bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const =0; + virtual bool ValidateElement(unsigned int level, const Element &element, const DL_FixedBasePrecomputation<Element> *precomp) const =0; + virtual bool FastSubgroupCheckAvailable() const =0; + virtual bool IsIdentity(const Element &element) const =0; + virtual void SimultaneousExponentiate(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const =0; + +protected: + void ParametersChanged() {m_validationLevel = 0;} + +private: + mutable unsigned int m_validationLevel; +}; + +//! _ +template <class GROUP_PRECOMP, class BASE_PRECOMP = DL_FixedBasePrecomputationImpl<CPP_TYPENAME GROUP_PRECOMP::Element>, class BASE = DL_GroupParameters<CPP_TYPENAME GROUP_PRECOMP::Element> > +class DL_GroupParametersImpl : public BASE +{ +public: + typedef GROUP_PRECOMP GroupPrecomputation; + typedef typename GROUP_PRECOMP::Element Element; + typedef BASE_PRECOMP BasePrecomputation; + + const DL_GroupPrecomputation<Element> & GetGroupPrecomputation() const {return m_groupPrecomputation;} + const DL_FixedBasePrecomputation<Element> & GetBasePrecomputation() const {return m_gpc;} + DL_FixedBasePrecomputation<Element> & AccessBasePrecomputation() {return m_gpc;} + +protected: + GROUP_PRECOMP m_groupPrecomputation; + BASE_PRECOMP m_gpc; +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_Key +{ +public: + virtual const DL_GroupParameters<T> & GetAbstractGroupParameters() const =0; + virtual DL_GroupParameters<T> & AccessAbstractGroupParameters() =0; +}; + +//! interface for DL public keys +template <class T> +class CRYPTOPP_NO_VTABLE DL_PublicKey : public DL_Key<T> +{ + typedef DL_PublicKey<T> ThisClass; + +public: + typedef T Element; + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper(this, name, valueType, pValue, &this->GetAbstractGroupParameters()) + CRYPTOPP_GET_FUNCTION_ENTRY(PublicElement); + } + + void AssignFrom(const NameValuePairs &source); + + // non-inherited + virtual const Element & GetPublicElement() const {return GetPublicPrecomputation().GetBase(this->GetAbstractGroupParameters().GetGroupPrecomputation());} + virtual void SetPublicElement(const Element &y) {AccessPublicPrecomputation().SetBase(this->GetAbstractGroupParameters().GetGroupPrecomputation(), y);} + virtual Element ExponentiatePublicElement(const Integer &exponent) const + { + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + return GetPublicPrecomputation().Exponentiate(params.GetGroupPrecomputation(), exponent); + } + virtual Element CascadeExponentiateBaseAndPublicElement(const Integer &baseExp, const Integer &publicExp) const + { + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + return params.GetBasePrecomputation().CascadeExponentiate(params.GetGroupPrecomputation(), baseExp, GetPublicPrecomputation(), publicExp); + } + + virtual const DL_FixedBasePrecomputation<T> & GetPublicPrecomputation() const =0; + virtual DL_FixedBasePrecomputation<T> & AccessPublicPrecomputation() =0; +}; + +//! interface for DL private keys +template <class T> +class CRYPTOPP_NO_VTABLE DL_PrivateKey : public DL_Key<T> +{ + typedef DL_PrivateKey<T> ThisClass; + +public: + typedef T Element; + + void MakePublicKey(DL_PublicKey<T> &pub) const + { + pub.AccessAbstractGroupParameters().AssignFrom(this->GetAbstractGroupParameters()); + pub.SetPublicElement(this->GetAbstractGroupParameters().ExponentiateBase(GetPrivateExponent())); + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper(this, name, valueType, pValue, &this->GetAbstractGroupParameters()) + CRYPTOPP_GET_FUNCTION_ENTRY(PrivateExponent); + } + + void AssignFrom(const NameValuePairs &source) + { + this->AccessAbstractGroupParameters().AssignFrom(source); + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(PrivateExponent); + } + + virtual const Integer & GetPrivateExponent() const =0; + virtual void SetPrivateExponent(const Integer &x) =0; +}; + +template <class T> +void DL_PublicKey<T>::AssignFrom(const NameValuePairs &source) +{ + DL_PrivateKey<T> *pPrivateKey = NULL; + if (source.GetThisPointer(pPrivateKey)) + pPrivateKey->MakePublicKey(*this); + else + { + this->AccessAbstractGroupParameters().AssignFrom(source); + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(PublicElement); + } +} + +class OID; + +//! _ +template <class PK, class GP, class O = OID> +class DL_KeyImpl : public PK +{ +public: + typedef GP GroupParameters; + + O GetAlgorithmID() const {return GetGroupParameters().GetAlgorithmID();} +// void BERDecode(BufferedTransformation &bt) +// {PK::BERDecode(bt);} +// void DEREncode(BufferedTransformation &bt) const +// {PK::DEREncode(bt);} + bool BERDecodeAlgorithmParameters(BufferedTransformation &bt) + {AccessGroupParameters().BERDecode(bt); return true;} + bool DEREncodeAlgorithmParameters(BufferedTransformation &bt) const + {GetGroupParameters().DEREncode(bt); return true;} + + const GP & GetGroupParameters() const {return m_groupParameters;} + GP & AccessGroupParameters() {return m_groupParameters;} + +private: + GP m_groupParameters; +}; + +class X509PublicKey; +class PKCS8PrivateKey; + +//! _ +template <class GP> +class DL_PrivateKeyImpl : public DL_PrivateKey<CPP_TYPENAME GP::Element>, public DL_KeyImpl<PKCS8PrivateKey, GP> +{ +public: + typedef typename GP::Element Element; + + // GeneratableCryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const + { + bool pass = GetAbstractGroupParameters().Validate(rng, level); + + const Integer &q = GetAbstractGroupParameters().GetSubgroupOrder(); + const Integer &x = GetPrivateExponent(); + + pass = pass && x.IsPositive() && x < q; + if (level >= 1) + pass = pass && Integer::Gcd(x, q) == Integer::One(); + return pass; + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper<DL_PrivateKey<Element> >(this, name, valueType, pValue).Assignable(); + } + + void AssignFrom(const NameValuePairs &source) + { + AssignFromHelper<DL_PrivateKey<Element> >(this, source); + } + + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶ms) + { + if (!params.GetThisObject(this->AccessGroupParameters())) + this->AccessGroupParameters().GenerateRandom(rng, params); +// std::pair<const byte *, int> seed; + Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent()); +// Integer::ANY, Integer::Zero(), Integer::One(), +// params.GetValue("DeterministicKeyGenerationSeed", seed) ? &seed : NULL); + SetPrivateExponent(x); + } + + bool SupportsPrecomputation() const {return true;} + + void Precompute(unsigned int precomputationStorage=16) + {AccessAbstractGroupParameters().Precompute(precomputationStorage);} + + void LoadPrecomputation(BufferedTransformation &storedPrecomputation) + {AccessAbstractGroupParameters().LoadPrecomputation(storedPrecomputation);} + + void SavePrecomputation(BufferedTransformation &storedPrecomputation) const + {GetAbstractGroupParameters().SavePrecomputation(storedPrecomputation);} + + // DL_Key + const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return this->GetGroupParameters();} + DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return this->AccessGroupParameters();} + + // DL_PrivateKey + const Integer & GetPrivateExponent() const {return m_x;} + void SetPrivateExponent(const Integer &x) {m_x = x;} + + // PKCS8PrivateKey + void BERDecodePrivateKey(BufferedTransformation &bt, bool, size_t) + {m_x.BERDecode(bt);} + void DEREncodePrivateKey(BufferedTransformation &bt) const + {m_x.DEREncode(bt);} + +private: + Integer m_x; +}; + +//! _ +template <class BASE, class SIGNATURE_SCHEME> +class DL_PrivateKey_WithSignaturePairwiseConsistencyTest : public BASE +{ +public: + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs ¶ms) + { + BASE::GenerateRandom(rng, params); + + if (FIPS_140_2_ComplianceEnabled()) + { + typename SIGNATURE_SCHEME::Signer signer(*this); + typename SIGNATURE_SCHEME::Verifier verifier(signer); + SignaturePairwiseConsistencyTest_FIPS_140_Only(signer, verifier); + } + } +}; + +//! _ +template <class GP> +class DL_PublicKeyImpl : public DL_PublicKey<typename GP::Element>, public DL_KeyImpl<X509PublicKey, GP> +{ +public: + typedef typename GP::Element Element; + + // CryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const + { + bool pass = GetAbstractGroupParameters().Validate(rng, level); + pass = pass && GetAbstractGroupParameters().ValidateElement(level, this->GetPublicElement(), &GetPublicPrecomputation()); + return pass; + } + + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const + { + return GetValueHelper<DL_PublicKey<Element> >(this, name, valueType, pValue).Assignable(); + } + + void AssignFrom(const NameValuePairs &source) + { + AssignFromHelper<DL_PublicKey<Element> >(this, source); + } + + bool SupportsPrecomputation() const {return true;} + + void Precompute(unsigned int precomputationStorage=16) + { + AccessAbstractGroupParameters().Precompute(precomputationStorage); + AccessPublicPrecomputation().Precompute(GetAbstractGroupParameters().GetGroupPrecomputation(), GetAbstractGroupParameters().GetSubgroupOrder().BitCount(), precomputationStorage); + } + + void LoadPrecomputation(BufferedTransformation &storedPrecomputation) + { + AccessAbstractGroupParameters().LoadPrecomputation(storedPrecomputation); + AccessPublicPrecomputation().Load(GetAbstractGroupParameters().GetGroupPrecomputation(), storedPrecomputation); + } + + void SavePrecomputation(BufferedTransformation &storedPrecomputation) const + { + GetAbstractGroupParameters().SavePrecomputation(storedPrecomputation); + GetPublicPrecomputation().Save(GetAbstractGroupParameters().GetGroupPrecomputation(), storedPrecomputation); + } + + // DL_Key + const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return this->GetGroupParameters();} + DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return this->AccessGroupParameters();} + + // DL_PublicKey + const DL_FixedBasePrecomputation<Element> & GetPublicPrecomputation() const {return m_ypc;} + DL_FixedBasePrecomputation<Element> & AccessPublicPrecomputation() {return m_ypc;} + + // non-inherited + bool operator==(const DL_PublicKeyImpl<GP> &rhs) const + {return this->GetGroupParameters() == rhs.GetGroupParameters() && this->GetPublicElement() == rhs.GetPublicElement();} + +private: + typename GP::BasePrecomputation m_ypc; +}; + +//! interface for Elgamal-like signature algorithms +template <class T> +class CRYPTOPP_NO_VTABLE DL_ElgamalLikeSignatureAlgorithm +{ +public: + virtual void Sign(const DL_GroupParameters<T> ¶ms, const Integer &privateKey, const Integer &k, const Integer &e, Integer &r, Integer &s) const =0; + virtual bool Verify(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const =0; + virtual Integer RecoverPresignature(const DL_GroupParameters<T> ¶ms, const DL_PublicKey<T> &publicKey, const Integer &r, const Integer &s) const + {throw NotImplemented("DL_ElgamalLikeSignatureAlgorithm: this signature scheme does not support message recovery");} + virtual size_t RLen(const DL_GroupParameters<T> ¶ms) const + {return params.GetSubgroupOrder().ByteCount();} + virtual size_t SLen(const DL_GroupParameters<T> ¶ms) const + {return params.GetSubgroupOrder().ByteCount();} +}; + +//! interface for DL key agreement algorithms +template <class T> +class CRYPTOPP_NO_VTABLE DL_KeyAgreementAlgorithm +{ +public: + typedef T Element; + + virtual Element AgreeWithEphemeralPrivateKey(const DL_GroupParameters<Element> ¶ms, const DL_FixedBasePrecomputation<Element> &publicPrecomputation, const Integer &privateExponent) const =0; + virtual Element AgreeWithStaticPrivateKey(const DL_GroupParameters<Element> ¶ms, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const =0; +}; + +//! interface for key derivation algorithms used in DL cryptosystems +template <class T> +class CRYPTOPP_NO_VTABLE DL_KeyDerivationAlgorithm +{ +public: + virtual bool ParameterSupported(const char *name) const {return false;} + virtual void Derive(const DL_GroupParameters<T> &groupParams, byte *derivedKey, size_t derivedLength, const T &agreedElement, const T &ephemeralPublicKey, const NameValuePairs &derivationParams) const =0; +}; + +//! interface for symmetric encryption algorithms used in DL cryptosystems +class CRYPTOPP_NO_VTABLE DL_SymmetricEncryptionAlgorithm +{ +public: + virtual bool ParameterSupported(const char *name) const {return false;} + virtual size_t GetSymmetricKeyLength(size_t plaintextLength) const =0; + virtual size_t GetSymmetricCiphertextLength(size_t plaintextLength) const =0; + virtual size_t GetMaxSymmetricPlaintextLength(size_t ciphertextLength) const =0; + virtual void SymmetricEncrypt(RandomNumberGenerator &rng, const byte *key, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters) const =0; + virtual DecodingResult SymmetricDecrypt(const byte *key, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters) const =0; +}; + +//! _ +template <class KI> +class CRYPTOPP_NO_VTABLE DL_Base +{ +protected: + typedef KI KeyInterface; + typedef typename KI::Element Element; + + const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return GetKeyInterface().GetAbstractGroupParameters();} + DL_GroupParameters<Element> & AccessAbstractGroupParameters() {return AccessKeyInterface().AccessAbstractGroupParameters();} + + virtual KeyInterface & AccessKeyInterface() =0; + virtual const KeyInterface & GetKeyInterface() const =0; +}; + +//! _ +template <class INTERFACE, class KEY_INTERFACE> +class CRYPTOPP_NO_VTABLE DL_SignatureSchemeBase : public INTERFACE, public DL_Base<KEY_INTERFACE> +{ +public: + size_t SignatureLength() const + { + return GetSignatureAlgorithm().RLen(this->GetAbstractGroupParameters()) + + GetSignatureAlgorithm().SLen(this->GetAbstractGroupParameters()); + } + size_t MaxRecoverableLength() const + {return GetMessageEncodingInterface().MaxRecoverableLength(0, GetHashIdentifier().second, GetDigestSize());} + size_t MaxRecoverableLengthFromSignatureLength(size_t signatureLength) const + {assert(false); return 0;} // TODO + + bool IsProbabilistic() const + {return true;} + bool AllowNonrecoverablePart() const + {return GetMessageEncodingInterface().AllowNonrecoverablePart();} + bool RecoverablePartFirst() const + {return GetMessageEncodingInterface().RecoverablePartFirst();} + +protected: + size_t MessageRepresentativeLength() const {return BitsToBytes(MessageRepresentativeBitLength());} + size_t MessageRepresentativeBitLength() const {return this->GetAbstractGroupParameters().GetSubgroupOrder().BitCount();} + + virtual const DL_ElgamalLikeSignatureAlgorithm<CPP_TYPENAME KEY_INTERFACE::Element> & GetSignatureAlgorithm() const =0; + virtual const PK_SignatureMessageEncodingMethod & GetMessageEncodingInterface() const =0; + virtual HashIdentifier GetHashIdentifier() const =0; + virtual size_t GetDigestSize() const =0; +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_SignerBase : public DL_SignatureSchemeBase<PK_Signer, DL_PrivateKey<T> > +{ +public: + // for validation testing + void RawSign(const Integer &k, const Integer &e, Integer &r, Integer &s) const + { + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PrivateKey<T> &key = this->GetKeyInterface(); + + r = params.ConvertElementToInteger(params.ExponentiateBase(k)); + alg.Sign(params, key.GetPrivateExponent(), k, e, r, s); + } + + void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const + { + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + ma.m_recoverableMessage.Assign(recoverableMessage, recoverableMessageLength); + this->GetMessageEncodingInterface().ProcessRecoverableMessage(ma.AccessHash(), + recoverableMessage, recoverableMessageLength, + ma.m_presignature, ma.m_presignature.size(), + ma.m_semisignature); + } + + size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart) const + { + this->GetMaterial().DoQuickSanityCheck(); + + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PrivateKey<T> &key = this->GetKeyInterface(); + + SecByteBlock representative(this->MessageRepresentativeLength()); + this->GetMessageEncodingInterface().ComputeMessageRepresentative( + rng, + ma.m_recoverableMessage, ma.m_recoverableMessage.size(), + ma.AccessHash(), this->GetHashIdentifier(), ma.m_empty, + representative, this->MessageRepresentativeBitLength()); + ma.m_empty = true; + Integer e(representative, representative.size()); + + // hash message digest into random number k to prevent reusing the same k on a different messages + // after virtual machine rollback + if (rng.CanIncorporateEntropy()) + rng.IncorporateEntropy(representative, representative.size()); + Integer k(rng, 1, params.GetSubgroupOrder()-1); + Integer r, s; + r = params.ConvertElementToInteger(params.ExponentiateBase(k)); + alg.Sign(params, key.GetPrivateExponent(), k, e, r, s); + + /* + Integer r, s; + if (this->MaxRecoverableLength() > 0) + r.Decode(ma.m_semisignature, ma.m_semisignature.size()); + else + r.Decode(ma.m_presignature, ma.m_presignature.size()); + alg.Sign(params, key.GetPrivateExponent(), ma.m_k, e, r, s); + */ + + size_t rLen = alg.RLen(params); + r.Encode(signature, rLen); + s.Encode(signature+rLen, alg.SLen(params)); + + if (restart) + RestartMessageAccumulator(rng, ma); + + return this->SignatureLength(); + } + +protected: + void RestartMessageAccumulator(RandomNumberGenerator &rng, PK_MessageAccumulatorBase &ma) const + { + // k needs to be generated before hashing for signature schemes with recovery + // but to defend against VM rollbacks we need to generate k after hashing. + // so this code is commented out, since no DL-based signature scheme with recovery + // has been implemented in Crypto++ anyway + /* + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + ma.m_k.Randomize(rng, 1, params.GetSubgroupOrder()-1); + ma.m_presignature.New(params.GetEncodedElementSize(false)); + params.ConvertElementToInteger(params.ExponentiateBase(ma.m_k)).Encode(ma.m_presignature, ma.m_presignature.size()); + */ + } +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_VerifierBase : public DL_SignatureSchemeBase<PK_Verifier, DL_PublicKey<T> > +{ +public: + void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const + { + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + + size_t rLen = alg.RLen(params); + ma.m_semisignature.Assign(signature, rLen); + ma.m_s.Decode(signature+rLen, alg.SLen(params)); + + this->GetMessageEncodingInterface().ProcessSemisignature(ma.AccessHash(), ma.m_semisignature, ma.m_semisignature.size()); + } + + bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const + { + this->GetMaterial().DoQuickSanityCheck(); + + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PublicKey<T> &key = this->GetKeyInterface(); + + SecByteBlock representative(this->MessageRepresentativeLength()); + this->GetMessageEncodingInterface().ComputeMessageRepresentative(NullRNG(), ma.m_recoverableMessage, ma.m_recoverableMessage.size(), + ma.AccessHash(), this->GetHashIdentifier(), ma.m_empty, + representative, this->MessageRepresentativeBitLength()); + ma.m_empty = true; + Integer e(representative, representative.size()); + + Integer r(ma.m_semisignature, ma.m_semisignature.size()); + return alg.Verify(params, key, e, r, ma.m_s); + } + + DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &messageAccumulator) const + { + this->GetMaterial().DoQuickSanityCheck(); + + PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator); + const DL_ElgamalLikeSignatureAlgorithm<T> &alg = this->GetSignatureAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PublicKey<T> &key = this->GetKeyInterface(); + + SecByteBlock representative(this->MessageRepresentativeLength()); + this->GetMessageEncodingInterface().ComputeMessageRepresentative( + NullRNG(), + ma.m_recoverableMessage, ma.m_recoverableMessage.size(), + ma.AccessHash(), this->GetHashIdentifier(), ma.m_empty, + representative, this->MessageRepresentativeBitLength()); + ma.m_empty = true; + Integer e(representative, representative.size()); + + ma.m_presignature.New(params.GetEncodedElementSize(false)); + Integer r(ma.m_semisignature, ma.m_semisignature.size()); + alg.RecoverPresignature(params, key, r, ma.m_s).Encode(ma.m_presignature, ma.m_presignature.size()); + + return this->GetMessageEncodingInterface().RecoverMessageFromSemisignature( + ma.AccessHash(), this->GetHashIdentifier(), + ma.m_presignature, ma.m_presignature.size(), + ma.m_semisignature, ma.m_semisignature.size(), + recoveredMessage); + } +}; + +//! _ +template <class PK, class KI> +class CRYPTOPP_NO_VTABLE DL_CryptoSystemBase : public PK, public DL_Base<KI> +{ +public: + typedef typename DL_Base<KI>::Element Element; + + size_t MaxPlaintextLength(size_t ciphertextLength) const + { + unsigned int minLen = this->GetAbstractGroupParameters().GetEncodedElementSize(true); + return ciphertextLength < minLen ? 0 : GetSymmetricEncryptionAlgorithm().GetMaxSymmetricPlaintextLength(ciphertextLength - minLen); + } + + size_t CiphertextLength(size_t plaintextLength) const + { + size_t len = GetSymmetricEncryptionAlgorithm().GetSymmetricCiphertextLength(plaintextLength); + return len == 0 ? 0 : this->GetAbstractGroupParameters().GetEncodedElementSize(true) + len; + } + + bool ParameterSupported(const char *name) const + {return GetKeyDerivationAlgorithm().ParameterSupported(name) || GetSymmetricEncryptionAlgorithm().ParameterSupported(name);} + +protected: + virtual const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const =0; + virtual const DL_KeyDerivationAlgorithm<Element> & GetKeyDerivationAlgorithm() const =0; + virtual const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const =0; +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_DecryptorBase : public DL_CryptoSystemBase<PK_Decryptor, DL_PrivateKey<T> > +{ +public: + typedef T Element; + + DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters = g_nullNameValuePairs) const + { + try + { + const DL_KeyAgreementAlgorithm<T> &agreeAlg = this->GetKeyAgreementAlgorithm(); + const DL_KeyDerivationAlgorithm<T> &derivAlg = this->GetKeyDerivationAlgorithm(); + const DL_SymmetricEncryptionAlgorithm &encAlg = this->GetSymmetricEncryptionAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PrivateKey<T> &key = this->GetKeyInterface(); + + Element q = params.DecodeElement(ciphertext, true); + size_t elementSize = params.GetEncodedElementSize(true); + ciphertext += elementSize; + ciphertextLength -= elementSize; + + Element z = agreeAlg.AgreeWithStaticPrivateKey(params, q, true, key.GetPrivateExponent()); + + SecByteBlock derivedKey(encAlg.GetSymmetricKeyLength(encAlg.GetMaxSymmetricPlaintextLength(ciphertextLength))); + derivAlg.Derive(params, derivedKey, derivedKey.size(), z, q, parameters); + + return encAlg.SymmetricDecrypt(derivedKey, ciphertext, ciphertextLength, plaintext, parameters); + } + catch (DL_BadElement &) + { + return DecodingResult(); + } + } +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_EncryptorBase : public DL_CryptoSystemBase<PK_Encryptor, DL_PublicKey<T> > +{ +public: + typedef T Element; + + void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters = g_nullNameValuePairs) const + { + const DL_KeyAgreementAlgorithm<T> &agreeAlg = this->GetKeyAgreementAlgorithm(); + const DL_KeyDerivationAlgorithm<T> &derivAlg = this->GetKeyDerivationAlgorithm(); + const DL_SymmetricEncryptionAlgorithm &encAlg = this->GetSymmetricEncryptionAlgorithm(); + const DL_GroupParameters<T> ¶ms = this->GetAbstractGroupParameters(); + const DL_PublicKey<T> &key = this->GetKeyInterface(); + + Integer x(rng, Integer::One(), params.GetMaxExponent()); + Element q = params.ExponentiateBase(x); + params.EncodeElement(true, q, ciphertext); + unsigned int elementSize = params.GetEncodedElementSize(true); + ciphertext += elementSize; + + Element z = agreeAlg.AgreeWithEphemeralPrivateKey(params, key.GetPublicPrecomputation(), x); + + SecByteBlock derivedKey(encAlg.GetSymmetricKeyLength(plaintextLength)); + derivAlg.Derive(params, derivedKey, derivedKey.size(), z, q, parameters); + + encAlg.SymmetricEncrypt(rng, derivedKey, plaintext, plaintextLength, ciphertext, parameters); + } +}; + +//! _ +template <class T1, class T2> +struct DL_SchemeOptionsBase +{ + typedef T1 AlgorithmInfo; + typedef T2 GroupParameters; + typedef typename GroupParameters::Element Element; +}; + +//! _ +template <class T1, class T2> +struct DL_KeyedSchemeOptions : public DL_SchemeOptionsBase<T1, typename T2::PublicKey::GroupParameters> +{ + typedef T2 Keys; + typedef typename Keys::PrivateKey PrivateKey; + typedef typename Keys::PublicKey PublicKey; +}; + +//! _ +template <class T1, class T2, class T3, class T4, class T5> +struct DL_SignatureSchemeOptions : public DL_KeyedSchemeOptions<T1, T2> +{ + typedef T3 SignatureAlgorithm; + typedef T4 MessageEncodingMethod; + typedef T5 HashFunction; +}; + +//! _ +template <class T1, class T2, class T3, class T4, class T5> +struct DL_CryptoSchemeOptions : public DL_KeyedSchemeOptions<T1, T2> +{ + typedef T3 KeyAgreementAlgorithm; + typedef T4 KeyDerivationAlgorithm; + typedef T5 SymmetricEncryptionAlgorithm; +}; + +//! _ +template <class BASE, class SCHEME_OPTIONS, class KEY> +class CRYPTOPP_NO_VTABLE DL_ObjectImplBase : public AlgorithmImpl<BASE, typename SCHEME_OPTIONS::AlgorithmInfo> +{ +public: + typedef SCHEME_OPTIONS SchemeOptions; + typedef typename KEY::Element Element; + + PrivateKey & AccessPrivateKey() {return m_key;} + PublicKey & AccessPublicKey() {return m_key;} + + // KeyAccessor + const KEY & GetKey() const {return m_key;} + KEY & AccessKey() {return m_key;} + +protected: + typename BASE::KeyInterface & AccessKeyInterface() {return m_key;} + const typename BASE::KeyInterface & GetKeyInterface() const {return m_key;} + + // for signature scheme + HashIdentifier GetHashIdentifier() const + { + typedef typename SchemeOptions::MessageEncodingMethod::HashIdentifierLookup HashLookup; + return HashLookup::template HashIdentifierLookup2<CPP_TYPENAME SchemeOptions::HashFunction>::Lookup(); + } + size_t GetDigestSize() const + { + typedef CPP_TYPENAME SchemeOptions::HashFunction H; + return H::DIGESTSIZE; + } + +private: + KEY m_key; +}; + +//! _ +template <class BASE, class SCHEME_OPTIONS, class KEY> +class CRYPTOPP_NO_VTABLE DL_ObjectImpl : public DL_ObjectImplBase<BASE, SCHEME_OPTIONS, KEY> +{ +public: + typedef typename KEY::Element Element; + +protected: + const DL_ElgamalLikeSignatureAlgorithm<Element> & GetSignatureAlgorithm() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::SignatureAlgorithm>().Ref();} + const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::KeyAgreementAlgorithm>().Ref();} + const DL_KeyDerivationAlgorithm<Element> & GetKeyDerivationAlgorithm() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::KeyDerivationAlgorithm>().Ref();} + const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::SymmetricEncryptionAlgorithm>().Ref();} + HashIdentifier GetHashIdentifier() const + {return HashIdentifier();} + const PK_SignatureMessageEncodingMethod & GetMessageEncodingInterface() const + {return Singleton<CPP_TYPENAME SCHEME_OPTIONS::MessageEncodingMethod>().Ref();} +}; + +//! _ +template <class SCHEME_OPTIONS> +class DL_SignerImpl : public DL_ObjectImpl<DL_SignerBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey> +{ +public: + PK_MessageAccumulator * NewSignatureAccumulator(RandomNumberGenerator &rng) const + { + std::auto_ptr<PK_MessageAccumulatorBase> p(new PK_MessageAccumulatorImpl<CPP_TYPENAME SCHEME_OPTIONS::HashFunction>); + this->RestartMessageAccumulator(rng, *p); + return p.release(); + } +}; + +//! _ +template <class SCHEME_OPTIONS> +class DL_VerifierImpl : public DL_ObjectImpl<DL_VerifierBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey> +{ +public: + PK_MessageAccumulator * NewVerificationAccumulator() const + { + return new PK_MessageAccumulatorImpl<CPP_TYPENAME SCHEME_OPTIONS::HashFunction>; + } +}; + +//! _ +template <class SCHEME_OPTIONS> +class DL_EncryptorImpl : public DL_ObjectImpl<DL_EncryptorBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PublicKey> +{ +}; + +//! _ +template <class SCHEME_OPTIONS> +class DL_DecryptorImpl : public DL_ObjectImpl<DL_DecryptorBase<typename SCHEME_OPTIONS::Element>, SCHEME_OPTIONS, typename SCHEME_OPTIONS::PrivateKey> +{ +}; + +// ******************************************************** + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE DL_SimpleKeyAgreementDomainBase : public SimpleKeyAgreementDomain +{ +public: + typedef T Element; + + CryptoParameters & AccessCryptoParameters() {return AccessAbstractGroupParameters();} + unsigned int AgreedValueLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(false);} + unsigned int PrivateKeyLength() const {return GetAbstractGroupParameters().GetSubgroupOrder().ByteCount();} + unsigned int PublicKeyLength() const {return GetAbstractGroupParameters().GetEncodedElementSize(true);} + + void GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const + { + Integer x(rng, Integer::One(), GetAbstractGroupParameters().GetMaxExponent()); + x.Encode(privateKey, PrivateKeyLength()); + } + + void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const + { + const DL_GroupParameters<T> ¶ms = GetAbstractGroupParameters(); + Integer x(privateKey, PrivateKeyLength()); + Element y = params.ExponentiateBase(x); + params.EncodeElement(true, y, publicKey); + } + + bool Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey=true) const + { + try + { + const DL_GroupParameters<T> ¶ms = GetAbstractGroupParameters(); + Integer x(privateKey, PrivateKeyLength()); + Element w = params.DecodeElement(otherPublicKey, validateOtherPublicKey); + + Element z = GetKeyAgreementAlgorithm().AgreeWithStaticPrivateKey( + GetAbstractGroupParameters(), w, validateOtherPublicKey, x); + params.EncodeElement(false, z, agreedValue); + } + catch (DL_BadElement &) + { + return false; + } + return true; + } + + const Element &GetGenerator() const {return GetAbstractGroupParameters().GetSubgroupGenerator();} + +protected: + virtual const DL_KeyAgreementAlgorithm<Element> & GetKeyAgreementAlgorithm() const =0; + virtual DL_GroupParameters<Element> & AccessAbstractGroupParameters() =0; + const DL_GroupParameters<Element> & GetAbstractGroupParameters() const {return const_cast<DL_SimpleKeyAgreementDomainBase<Element> *>(this)->AccessAbstractGroupParameters();} +}; + +enum CofactorMultiplicationOption {NO_COFACTOR_MULTIPLICTION, COMPATIBLE_COFACTOR_MULTIPLICTION, INCOMPATIBLE_COFACTOR_MULTIPLICTION}; +typedef EnumToType<CofactorMultiplicationOption, NO_COFACTOR_MULTIPLICTION> NoCofactorMultiplication; +typedef EnumToType<CofactorMultiplicationOption, COMPATIBLE_COFACTOR_MULTIPLICTION> CompatibleCofactorMultiplication; +typedef EnumToType<CofactorMultiplicationOption, INCOMPATIBLE_COFACTOR_MULTIPLICTION> IncompatibleCofactorMultiplication; + +//! DH key agreement algorithm +template <class ELEMENT, class COFACTOR_OPTION> +class DL_KeyAgreementAlgorithm_DH : public DL_KeyAgreementAlgorithm<ELEMENT> +{ +public: + typedef ELEMENT Element; + + static const char * CRYPTOPP_API StaticAlgorithmName() + {return COFACTOR_OPTION::ToEnum() == INCOMPATIBLE_COFACTOR_MULTIPLICTION ? "DHC" : "DH";} + + Element AgreeWithEphemeralPrivateKey(const DL_GroupParameters<Element> ¶ms, const DL_FixedBasePrecomputation<Element> &publicPrecomputation, const Integer &privateExponent) const + { + return publicPrecomputation.Exponentiate(params.GetGroupPrecomputation(), + COFACTOR_OPTION::ToEnum() == INCOMPATIBLE_COFACTOR_MULTIPLICTION ? privateExponent*params.GetCofactor() : privateExponent); + } + + Element AgreeWithStaticPrivateKey(const DL_GroupParameters<Element> ¶ms, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const + { + if (COFACTOR_OPTION::ToEnum() == COMPATIBLE_COFACTOR_MULTIPLICTION) + { + const Integer &k = params.GetCofactor(); + return params.ExponentiateElement(publicElement, + ModularArithmetic(params.GetSubgroupOrder()).Divide(privateExponent, k)*k); + } + else if (COFACTOR_OPTION::ToEnum() == INCOMPATIBLE_COFACTOR_MULTIPLICTION) + return params.ExponentiateElement(publicElement, privateExponent*params.GetCofactor()); + else + { + assert(COFACTOR_OPTION::ToEnum() == NO_COFACTOR_MULTIPLICTION); + + if (!validateOtherPublicKey) + return params.ExponentiateElement(publicElement, privateExponent); + + if (params.FastSubgroupCheckAvailable()) + { + if (!params.ValidateElement(2, publicElement, NULL)) + throw DL_BadElement(); + return params.ExponentiateElement(publicElement, privateExponent); + } + else + { + const Integer e[2] = {params.GetSubgroupOrder(), privateExponent}; + Element r[2]; + params.SimultaneousExponentiate(r, publicElement, e, 2); + if (!params.IsIdentity(r[0])) + throw DL_BadElement(); + return r[1]; + } + } + } +}; + +// ******************************************************** + +//! A template implementing constructors for public key algorithm classes +template <class BASE> +class CRYPTOPP_NO_VTABLE PK_FinalTemplate : public BASE +{ +public: + PK_FinalTemplate() {} + + PK_FinalTemplate(const CryptoMaterial &key) + {this->AccessKey().AssignFrom(key);} + + PK_FinalTemplate(BufferedTransformation &bt) + {this->AccessKey().BERDecode(bt);} + + PK_FinalTemplate(const AsymmetricAlgorithm &algorithm) + {this->AccessKey().AssignFrom(algorithm.GetMaterial());} + + PK_FinalTemplate(const Integer &v1) + {this->AccessKey().Initialize(v1);} + +#if (defined(_MSC_VER) && _MSC_VER < 1300) + + template <class T1, class T2> + PK_FinalTemplate(T1 &v1, T2 &v2) + {this->AccessKey().Initialize(v1, v2);} + + template <class T1, class T2, class T3> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3) + {this->AccessKey().Initialize(v1, v2, v3);} + + template <class T1, class T2, class T3, class T4> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3, T4 &v4) + {this->AccessKey().Initialize(v1, v2, v3, v4);} + + template <class T1, class T2, class T3, class T4, class T5> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3, T4 &v4, T5 &v5) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5);} + + template <class T1, class T2, class T3, class T4, class T5, class T6> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3, T4 &v4, T5 &v5, T6 &v6) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3, T4 &v4, T5 &v5, T6 &v6, T7 &v7) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8> + PK_FinalTemplate(T1 &v1, T2 &v2, T3 &v3, T4 &v4, T5 &v5, T6 &v6, T7 &v7, T8 &v8) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7, v8);} + +#else + + template <class T1, class T2> + PK_FinalTemplate(const T1 &v1, const T2 &v2) + {this->AccessKey().Initialize(v1, v2);} + + template <class T1, class T2, class T3> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3) + {this->AccessKey().Initialize(v1, v2, v3);} + + template <class T1, class T2, class T3, class T4> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4) + {this->AccessKey().Initialize(v1, v2, v3, v4);} + + template <class T1, class T2, class T3, class T4, class T5> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5);} + + template <class T1, class T2, class T3, class T4, class T5, class T6> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6, const T7 &v7) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8> + PK_FinalTemplate(const T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6, const T7 &v7, const T8 &v8) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7, v8);} + + template <class T1, class T2> + PK_FinalTemplate(T1 &v1, const T2 &v2) + {this->AccessKey().Initialize(v1, v2);} + + template <class T1, class T2, class T3> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3) + {this->AccessKey().Initialize(v1, v2, v3);} + + template <class T1, class T2, class T3, class T4> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4) + {this->AccessKey().Initialize(v1, v2, v3, v4);} + + template <class T1, class T2, class T3, class T4, class T5> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5);} + + template <class T1, class T2, class T3, class T4, class T5, class T6> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6, const T7 &v7) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7);} + + template <class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8> + PK_FinalTemplate(T1 &v1, const T2 &v2, const T3 &v3, const T4 &v4, const T5 &v5, const T6 &v6, const T7 &v7, const T8 &v8) + {this->AccessKey().Initialize(v1, v2, v3, v4, v5, v6, v7, v8);} + +#endif +}; + +//! Base class for public key encryption standard classes. These classes are used to select from variants of algorithms. Note that not all standards apply to all algorithms. +struct EncryptionStandard {}; + +//! Base class for public key signature standard classes. These classes are used to select from variants of algorithms. Note that not all standards apply to all algorithms. +struct SignatureStandard {}; + +template <class STANDARD, class KEYS, class ALG_INFO> +class TF_ES; + +//! Trapdoor Function Based Encryption Scheme +template <class STANDARD, class KEYS, class ALG_INFO = TF_ES<STANDARD, KEYS, int> > +class TF_ES : public KEYS +{ + typedef typename STANDARD::EncryptionMessageEncodingMethod MessageEncodingMethod; + +public: + //! see EncryptionStandard for a list of standards + typedef STANDARD Standard; + typedef TF_CryptoSchemeOptions<ALG_INFO, KEYS, MessageEncodingMethod> SchemeOptions; + + static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string(KEYS::StaticAlgorithmName()) + "/" + MessageEncodingMethod::StaticAlgorithmName();} + + //! implements PK_Decryptor interface + typedef PK_FinalTemplate<TF_DecryptorImpl<SchemeOptions> > Decryptor; + //! implements PK_Encryptor interface + typedef PK_FinalTemplate<TF_EncryptorImpl<SchemeOptions> > Encryptor; +}; + +template <class STANDARD, class H, class KEYS, class ALG_INFO> // VC60 workaround: doesn't work if KEYS is first parameter +class TF_SS; + +//! Trapdoor Function Based Signature Scheme +template <class STANDARD, class H, class KEYS, class ALG_INFO = TF_SS<STANDARD, H, KEYS, int> > // VC60 workaround: doesn't work if KEYS is first parameter +class TF_SS : public KEYS +{ +public: + //! see SignatureStandard for a list of standards + typedef STANDARD Standard; + typedef typename Standard::SignatureMessageEncodingMethod MessageEncodingMethod; + typedef TF_SignatureSchemeOptions<ALG_INFO, KEYS, MessageEncodingMethod, H> SchemeOptions; + + static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string(KEYS::StaticAlgorithmName()) + "/" + MessageEncodingMethod::StaticAlgorithmName() + "(" + H::StaticAlgorithmName() + ")";} + + //! implements PK_Signer interface + typedef PK_FinalTemplate<TF_SignerImpl<SchemeOptions> > Signer; + //! implements PK_Verifier interface + typedef PK_FinalTemplate<TF_VerifierImpl<SchemeOptions> > Verifier; +}; + +template <class KEYS, class SA, class MEM, class H, class ALG_INFO> +class DL_SS; + +//! Discrete Log Based Signature Scheme +template <class KEYS, class SA, class MEM, class H, class ALG_INFO = DL_SS<KEYS, SA, MEM, H, int> > +class DL_SS : public KEYS +{ + typedef DL_SignatureSchemeOptions<ALG_INFO, KEYS, SA, MEM, H> SchemeOptions; + +public: + static std::string StaticAlgorithmName() {return SA::StaticAlgorithmName() + std::string("/EMSA1(") + H::StaticAlgorithmName() + ")";} + + //! implements PK_Signer interface + typedef PK_FinalTemplate<DL_SignerImpl<SchemeOptions> > Signer; + //! implements PK_Verifier interface + typedef PK_FinalTemplate<DL_VerifierImpl<SchemeOptions> > Verifier; +}; + +//! Discrete Log Based Encryption Scheme +template <class KEYS, class AA, class DA, class EA, class ALG_INFO> +class DL_ES : public KEYS +{ + typedef DL_CryptoSchemeOptions<ALG_INFO, KEYS, AA, DA, EA> SchemeOptions; + +public: + //! implements PK_Decryptor interface + typedef PK_FinalTemplate<DL_DecryptorImpl<SchemeOptions> > Decryptor; + //! implements PK_Encryptor interface + typedef PK_FinalTemplate<DL_EncryptorImpl<SchemeOptions> > Encryptor; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/pwdbased.h b/CryptoPP/pwdbased.h new file mode 100644 index 000000000..f755724b1 --- /dev/null +++ b/CryptoPP/pwdbased.h @@ -0,0 +1,214 @@ +// pwdbased.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_PWDBASED_H +#define CRYPTOPP_PWDBASED_H + +#include "cryptlib.h" +#include "hmac.h" +#include "hrtimer.h" +#include "integer.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! abstract base class for password based key derivation function +class PasswordBasedKeyDerivationFunction +{ +public: + virtual size_t MaxDerivedKeyLength() const =0; + virtual bool UsesPurposeByte() const =0; + //! derive key from password + /*! If timeInSeconds != 0, will iterate until time elapsed, as measured by ThreadUserTimer + Returns actual iteration count, which is equal to iterations if timeInSeconds == 0, and not less than iterations otherwise. */ + virtual unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const =0; +}; + +//! PBKDF1 from PKCS #5, T should be a HashTransformation class +template <class T> +class PKCS5_PBKDF1 : public PasswordBasedKeyDerivationFunction +{ +public: + size_t MaxDerivedKeyLength() const {return T::DIGESTSIZE;} + bool UsesPurposeByte() const {return false;} + // PKCS #5 says PBKDF1 should only take 8-byte salts. This implementation allows salts of any length. + unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const; +}; + +//! PBKDF2 from PKCS #5, T should be a HashTransformation class +template <class T> +class PKCS5_PBKDF2_HMAC : public PasswordBasedKeyDerivationFunction +{ +public: + size_t MaxDerivedKeyLength() const {return 0xffffffffU;} // should multiply by T::DIGESTSIZE, but gets overflow that way + bool UsesPurposeByte() const {return false;} + unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const; +}; + +/* +class PBKDF2Params +{ +public: + SecByteBlock m_salt; + unsigned int m_interationCount; + ASNOptional<ASNUnsignedWrapper<word32> > m_keyLength; +}; +*/ + +template <class T> +unsigned int PKCS5_PBKDF1<T>::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const +{ + assert(derivedLen <= MaxDerivedKeyLength()); + assert(iterations > 0 || timeInSeconds > 0); + + if (!iterations) + iterations = 1; + + T hash; + hash.Update(password, passwordLen); + hash.Update(salt, saltLen); + + SecByteBlock buffer(hash.DigestSize()); + hash.Final(buffer); + + unsigned int i; + ThreadUserTimer timer; + + if (timeInSeconds) + timer.StartTimer(); + + for (i=1; i<iterations || (timeInSeconds && (i%128!=0 || timer.ElapsedTimeAsDouble() < timeInSeconds)); i++) + hash.CalculateDigest(buffer, buffer, buffer.size()); + + memcpy(derived, buffer, derivedLen); + return i; +} + +template <class T> +unsigned int PKCS5_PBKDF2_HMAC<T>::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const +{ + assert(derivedLen <= MaxDerivedKeyLength()); + assert(iterations > 0 || timeInSeconds > 0); + + if (!iterations) + iterations = 1; + + HMAC<T> hmac(password, passwordLen); + SecByteBlock buffer(hmac.DigestSize()); + ThreadUserTimer timer; + + unsigned int i=1; + while (derivedLen > 0) + { + hmac.Update(salt, saltLen); + unsigned int j; + for (j=0; j<4; j++) + { + byte b = byte(i >> ((3-j)*8)); + hmac.Update(&b, 1); + } + hmac.Final(buffer); + + size_t segmentLen = STDMIN(derivedLen, buffer.size()); + memcpy(derived, buffer, segmentLen); + + if (timeInSeconds) + { + timeInSeconds = timeInSeconds / ((derivedLen + buffer.size() - 1) / buffer.size()); + timer.StartTimer(); + } + + for (j=1; j<iterations || (timeInSeconds && (j%128!=0 || timer.ElapsedTimeAsDouble() < timeInSeconds)); j++) + { + hmac.CalculateDigest(buffer, buffer, buffer.size()); + xorbuf(derived, buffer, segmentLen); + } + + if (timeInSeconds) + { + iterations = j; + timeInSeconds = 0; + } + + derived += segmentLen; + derivedLen -= segmentLen; + i++; + } + + return iterations; +} + +//! PBKDF from PKCS #12, appendix B, T should be a HashTransformation class +template <class T> +class PKCS12_PBKDF : public PasswordBasedKeyDerivationFunction +{ +public: + size_t MaxDerivedKeyLength() const {return size_t(0)-1;} + bool UsesPurposeByte() const {return true;} + unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const; +}; + +template <class T> +unsigned int PKCS12_PBKDF<T>::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const +{ + assert(derivedLen <= MaxDerivedKeyLength()); + assert(iterations > 0 || timeInSeconds > 0); + + if (!iterations) + iterations = 1; + + const size_t v = T::BLOCKSIZE; // v is in bytes rather than bits as in PKCS #12 + const size_t DLen = v, SLen = RoundUpToMultipleOf(saltLen, v); + const size_t PLen = RoundUpToMultipleOf(passwordLen, v), ILen = SLen + PLen; + SecByteBlock buffer(DLen + SLen + PLen); + byte *D = buffer, *S = buffer+DLen, *P = buffer+DLen+SLen, *I = S; + + memset(D, purpose, DLen); + size_t i; + for (i=0; i<SLen; i++) + S[i] = salt[i % saltLen]; + for (i=0; i<PLen; i++) + P[i] = password[i % passwordLen]; + + + T hash; + SecByteBlock Ai(T::DIGESTSIZE), B(v); + ThreadUserTimer timer; + + while (derivedLen > 0) + { + hash.CalculateDigest(Ai, buffer, buffer.size()); + + if (timeInSeconds) + { + timeInSeconds = timeInSeconds / ((derivedLen + Ai.size() - 1) / Ai.size()); + timer.StartTimer(); + } + + for (i=1; i<iterations || (timeInSeconds && (i%128!=0 || timer.ElapsedTimeAsDouble() < timeInSeconds)); i++) + hash.CalculateDigest(Ai, Ai, Ai.size()); + + if (timeInSeconds) + { + iterations = (unsigned int)i; + timeInSeconds = 0; + } + + for (i=0; i<B.size(); i++) + B[i] = Ai[i % Ai.size()]; + + Integer B1(B, B.size()); + ++B1; + for (i=0; i<ILen; i+=v) + (Integer(I+i, v) + B1).Encode(I+i, v); + + size_t segmentLen = STDMIN(derivedLen, Ai.size()); + memcpy(derived, Ai, segmentLen); + derived += segmentLen; + derivedLen -= segmentLen; + } + + return iterations; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/queue.cpp b/CryptoPP/queue.cpp new file mode 100644 index 000000000..ff2f0d316 --- /dev/null +++ b/CryptoPP/queue.cpp @@ -0,0 +1,565 @@ +// queue.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "queue.h" +#include "filters.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const unsigned int s_maxAutoNodeSize = 16*1024; + +// this class for use by ByteQueue only +class ByteQueueNode +{ +public: + ByteQueueNode(size_t maxSize) + : buf(maxSize) + { + m_head = m_tail = 0; + next = 0; + } + + inline size_t MaxSize() const {return buf.size();} + + inline size_t CurrentSize() const + { + return m_tail-m_head; + } + + inline bool UsedUp() const + { + return (m_head==MaxSize()); + } + + inline void Clear() + { + m_head = m_tail = 0; + } + + inline size_t Put(const byte *begin, size_t length) + { + size_t l = STDMIN(length, MaxSize()-m_tail); + if (buf+m_tail != begin) + memcpy(buf+m_tail, begin, l); + m_tail += l; + return l; + } + + inline size_t Peek(byte &outByte) const + { + if (m_tail==m_head) + return 0; + + outByte=buf[m_head]; + return 1; + } + + inline size_t Peek(byte *target, size_t copyMax) const + { + size_t len = STDMIN(copyMax, m_tail-m_head); + memcpy(target, buf+m_head, len); + return len; + } + + inline size_t CopyTo(BufferedTransformation &target, const std::string &channel=DEFAULT_CHANNEL) const + { + size_t len = m_tail-m_head; + target.ChannelPut(channel, buf+m_head, len); + return len; + } + + inline size_t CopyTo(BufferedTransformation &target, size_t copyMax, const std::string &channel=DEFAULT_CHANNEL) const + { + size_t len = STDMIN(copyMax, m_tail-m_head); + target.ChannelPut(channel, buf+m_head, len); + return len; + } + + inline size_t Get(byte &outByte) + { + size_t len = Peek(outByte); + m_head += len; + return len; + } + + inline size_t Get(byte *outString, size_t getMax) + { + size_t len = Peek(outString, getMax); + m_head += len; + return len; + } + + inline size_t TransferTo(BufferedTransformation &target, const std::string &channel=DEFAULT_CHANNEL) + { + size_t len = m_tail-m_head; + target.ChannelPutModifiable(channel, buf+m_head, len); + m_head = m_tail; + return len; + } + + inline size_t TransferTo(BufferedTransformation &target, lword transferMax, const std::string &channel=DEFAULT_CHANNEL) + { + size_t len = UnsignedMin(m_tail-m_head, transferMax); + target.ChannelPutModifiable(channel, buf+m_head, len); + m_head += len; + return len; + } + + inline size_t Skip(size_t skipMax) + { + size_t len = STDMIN(skipMax, m_tail-m_head); + m_head += len; + return len; + } + + inline byte operator[](size_t i) const + { + return buf[m_head+i]; + } + + ByteQueueNode *next; + + SecByteBlock buf; + size_t m_head, m_tail; +}; + +// ******************************************************** + +ByteQueue::ByteQueue(size_t nodeSize) + : m_lazyString(NULL), m_lazyLength(0) +{ + SetNodeSize(nodeSize); + m_head = m_tail = new ByteQueueNode(m_nodeSize); +} + +void ByteQueue::SetNodeSize(size_t nodeSize) +{ + m_autoNodeSize = !nodeSize; + m_nodeSize = m_autoNodeSize ? 256 : nodeSize; +} + +ByteQueue::ByteQueue(const ByteQueue ©) + : m_lazyString(NULL) +{ + CopyFrom(copy); +} + +void ByteQueue::CopyFrom(const ByteQueue ©) +{ + m_lazyLength = 0; + m_autoNodeSize = copy.m_autoNodeSize; + m_nodeSize = copy.m_nodeSize; + m_head = m_tail = new ByteQueueNode(*copy.m_head); + + for (ByteQueueNode *current=copy.m_head->next; current; current=current->next) + { + m_tail->next = new ByteQueueNode(*current); + m_tail = m_tail->next; + } + + m_tail->next = NULL; + + Put(copy.m_lazyString, copy.m_lazyLength); +} + +ByteQueue::~ByteQueue() +{ + Destroy(); +} + +void ByteQueue::Destroy() +{ + for (ByteQueueNode *next, *current=m_head; current; current=next) + { + next=current->next; + delete current; + } +} + +void ByteQueue::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_nodeSize = parameters.GetIntValueWithDefault("NodeSize", 256); + Clear(); +} + +lword ByteQueue::CurrentSize() const +{ + lword size=0; + + for (ByteQueueNode *current=m_head; current; current=current->next) + size += current->CurrentSize(); + + return size + m_lazyLength; +} + +bool ByteQueue::IsEmpty() const +{ + return m_head==m_tail && m_head->CurrentSize()==0 && m_lazyLength==0; +} + +void ByteQueue::Clear() +{ + for (ByteQueueNode *next, *current=m_head->next; current; current=next) + { + next=current->next; + delete current; + } + + m_tail = m_head; + m_head->Clear(); + m_head->next = NULL; + m_lazyLength = 0; +} + +size_t ByteQueue::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + if (m_lazyLength > 0) + FinalizeLazyPut(); + + size_t len; + while ((len=m_tail->Put(inString, length)) < length) + { + inString += len; + length -= len; + if (m_autoNodeSize && m_nodeSize < s_maxAutoNodeSize) + do + { + m_nodeSize *= 2; + } + while (m_nodeSize < length && m_nodeSize < s_maxAutoNodeSize); + m_tail->next = new ByteQueueNode(STDMAX(m_nodeSize, length)); + m_tail = m_tail->next; + } + + return 0; +} + +void ByteQueue::CleanupUsedNodes() +{ + while (m_head != m_tail && m_head->UsedUp()) + { + ByteQueueNode *temp=m_head; + m_head=m_head->next; + delete temp; + } + + if (m_head->CurrentSize() == 0) + m_head->Clear(); +} + +void ByteQueue::LazyPut(const byte *inString, size_t size) +{ + if (m_lazyLength > 0) + FinalizeLazyPut(); + + if (inString == m_tail->buf+m_tail->m_tail) + Put(inString, size); + else + { + m_lazyString = const_cast<byte *>(inString); + m_lazyLength = size; + m_lazyStringModifiable = false; + } +} + +void ByteQueue::LazyPutModifiable(byte *inString, size_t size) +{ + if (m_lazyLength > 0) + FinalizeLazyPut(); + m_lazyString = inString; + m_lazyLength = size; + m_lazyStringModifiable = true; +} + +void ByteQueue::UndoLazyPut(size_t size) +{ + if (m_lazyLength < size) + throw InvalidArgument("ByteQueue: size specified for UndoLazyPut is too large"); + + m_lazyLength -= size; +} + +void ByteQueue::FinalizeLazyPut() +{ + size_t len = m_lazyLength; + m_lazyLength = 0; + if (len) + Put(m_lazyString, len); +} + +size_t ByteQueue::Get(byte &outByte) +{ + if (m_head->Get(outByte)) + { + if (m_head->UsedUp()) + CleanupUsedNodes(); + return 1; + } + else if (m_lazyLength > 0) + { + outByte = *m_lazyString++; + m_lazyLength--; + return 1; + } + else + return 0; +} + +size_t ByteQueue::Get(byte *outString, size_t getMax) +{ + ArraySink sink(outString, getMax); + return (size_t)TransferTo(sink, getMax); +} + +size_t ByteQueue::Peek(byte &outByte) const +{ + if (m_head->Peek(outByte)) + return 1; + else if (m_lazyLength > 0) + { + outByte = *m_lazyString; + return 1; + } + else + return 0; +} + +size_t ByteQueue::Peek(byte *outString, size_t peekMax) const +{ + ArraySink sink(outString, peekMax); + return (size_t)CopyTo(sink, peekMax); +} + +size_t ByteQueue::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + if (blocking) + { + lword bytesLeft = transferBytes; + for (ByteQueueNode *current=m_head; bytesLeft && current; current=current->next) + bytesLeft -= current->TransferTo(target, bytesLeft, channel); + CleanupUsedNodes(); + + size_t len = (size_t)STDMIN(bytesLeft, (lword)m_lazyLength); + if (len) + { + if (m_lazyStringModifiable) + target.ChannelPutModifiable(channel, m_lazyString, len); + else + target.ChannelPut(channel, m_lazyString, len); + m_lazyString += len; + m_lazyLength -= len; + bytesLeft -= len; + } + transferBytes -= bytesLeft; + return 0; + } + else + { + Walker walker(*this); + size_t blockedBytes = walker.TransferTo2(target, transferBytes, channel, blocking); + Skip(transferBytes); + return blockedBytes; + } +} + +size_t ByteQueue::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + Walker walker(*this); + walker.Skip(begin); + lword transferBytes = end-begin; + size_t blockedBytes = walker.TransferTo2(target, transferBytes, channel, blocking); + begin += transferBytes; + return blockedBytes; +} + +void ByteQueue::Unget(byte inByte) +{ + Unget(&inByte, 1); +} + +void ByteQueue::Unget(const byte *inString, size_t length) +{ + size_t len = STDMIN(length, m_head->m_head); + length -= len; + m_head->m_head -= len; + memcpy(m_head->buf + m_head->m_head, inString + length, len); + + if (length > 0) + { + ByteQueueNode *newHead = new ByteQueueNode(length); + newHead->next = m_head; + m_head = newHead; + m_head->Put(inString, length); + } +} + +const byte * ByteQueue::Spy(size_t &contiguousSize) const +{ + contiguousSize = m_head->m_tail - m_head->m_head; + if (contiguousSize == 0 && m_lazyLength > 0) + { + contiguousSize = m_lazyLength; + return m_lazyString; + } + else + return m_head->buf + m_head->m_head; +} + +byte * ByteQueue::CreatePutSpace(size_t &size) +{ + if (m_lazyLength > 0) + FinalizeLazyPut(); + + if (m_tail->m_tail == m_tail->MaxSize()) + { + m_tail->next = new ByteQueueNode(STDMAX(m_nodeSize, size)); + m_tail = m_tail->next; + } + + size = m_tail->MaxSize() - m_tail->m_tail; + return m_tail->buf + m_tail->m_tail; +} + +ByteQueue & ByteQueue::operator=(const ByteQueue &rhs) +{ + Destroy(); + CopyFrom(rhs); + return *this; +} + +bool ByteQueue::operator==(const ByteQueue &rhs) const +{ + const lword currentSize = CurrentSize(); + + if (currentSize != rhs.CurrentSize()) + return false; + + Walker walker1(*this), walker2(rhs); + byte b1, b2; + + while (walker1.Get(b1) && walker2.Get(b2)) + if (b1 != b2) + return false; + + return true; +} + +byte ByteQueue::operator[](lword i) const +{ + for (ByteQueueNode *current=m_head; current; current=current->next) + { + if (i < current->CurrentSize()) + return (*current)[(size_t)i]; + + i -= current->CurrentSize(); + } + + assert(i < m_lazyLength); + return m_lazyString[i]; +} + +void ByteQueue::swap(ByteQueue &rhs) +{ + std::swap(m_autoNodeSize, rhs.m_autoNodeSize); + std::swap(m_nodeSize, rhs.m_nodeSize); + std::swap(m_head, rhs.m_head); + std::swap(m_tail, rhs.m_tail); + std::swap(m_lazyString, rhs.m_lazyString); + std::swap(m_lazyLength, rhs.m_lazyLength); + std::swap(m_lazyStringModifiable, rhs.m_lazyStringModifiable); +} + +// ******************************************************** + +void ByteQueue::Walker::IsolatedInitialize(const NameValuePairs ¶meters) +{ + m_node = m_queue.m_head; + m_position = 0; + m_offset = 0; + m_lazyString = m_queue.m_lazyString; + m_lazyLength = m_queue.m_lazyLength; +} + +size_t ByteQueue::Walker::Get(byte &outByte) +{ + ArraySink sink(&outByte, 1); + return (size_t)TransferTo(sink, 1); +} + +size_t ByteQueue::Walker::Get(byte *outString, size_t getMax) +{ + ArraySink sink(outString, getMax); + return (size_t)TransferTo(sink, getMax); +} + +size_t ByteQueue::Walker::Peek(byte &outByte) const +{ + ArraySink sink(&outByte, 1); + return (size_t)CopyTo(sink, 1); +} + +size_t ByteQueue::Walker::Peek(byte *outString, size_t peekMax) const +{ + ArraySink sink(outString, peekMax); + return (size_t)CopyTo(sink, peekMax); +} + +size_t ByteQueue::Walker::TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel, bool blocking) +{ + lword bytesLeft = transferBytes; + size_t blockedBytes = 0; + + while (m_node) + { + size_t len = (size_t)STDMIN(bytesLeft, (lword)m_node->CurrentSize()-m_offset); + blockedBytes = target.ChannelPut2(channel, m_node->buf+m_node->m_head+m_offset, len, 0, blocking); + + if (blockedBytes) + goto done; + + m_position += len; + bytesLeft -= len; + + if (!bytesLeft) + { + m_offset += len; + goto done; + } + + m_node = m_node->next; + m_offset = 0; + } + + if (bytesLeft && m_lazyLength) + { + size_t len = (size_t)STDMIN(bytesLeft, (lword)m_lazyLength); + blockedBytes = target.ChannelPut2(channel, m_lazyString, len, 0, blocking); + if (blockedBytes) + goto done; + + m_lazyString += len; + m_lazyLength -= len; + bytesLeft -= len; + } + +done: + transferBytes -= bytesLeft; + return blockedBytes; +} + +size_t ByteQueue::Walker::CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end, const std::string &channel, bool blocking) const +{ + Walker walker(*this); + walker.Skip(begin); + lword transferBytes = end-begin; + size_t blockedBytes = walker.TransferTo2(target, transferBytes, channel, blocking); + begin += transferBytes; + return blockedBytes; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/queue.h b/CryptoPP/queue.h new file mode 100644 index 000000000..75f7807fd --- /dev/null +++ b/CryptoPP/queue.h @@ -0,0 +1,143 @@ +// specification file for an unlimited queue for storing bytes + +#ifndef CRYPTOPP_QUEUE_H +#define CRYPTOPP_QUEUE_H + +#include "simple.h" +//#include <algorithm> + +NAMESPACE_BEGIN(CryptoPP) + +/** The queue is implemented as a linked list of byte arrays, but you don't need to + know about that. So just ignore this next line. :) */ +class ByteQueueNode; + +//! Byte Queue +class CRYPTOPP_DLL ByteQueue : public Bufferless<BufferedTransformation> +{ +public: + ByteQueue(size_t nodeSize=0); + ByteQueue(const ByteQueue ©); + ~ByteQueue(); + + lword MaxRetrievable() const + {return CurrentSize();} + bool AnyRetrievable() const + {return !IsEmpty();} + + void IsolatedInitialize(const NameValuePairs ¶meters); + byte * CreatePutSpace(size_t &size); + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking); + + size_t Get(byte &outByte); + size_t Get(byte *outString, size_t getMax); + + size_t Peek(byte &outByte) const; + size_t Peek(byte *outString, size_t peekMax) const; + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + + // these member functions are not inherited + void SetNodeSize(size_t nodeSize); + + lword CurrentSize() const; + bool IsEmpty() const; + + void Clear(); + + void Unget(byte inByte); + void Unget(const byte *inString, size_t length); + + const byte * Spy(size_t &contiguousSize) const; + + void LazyPut(const byte *inString, size_t size); + void LazyPutModifiable(byte *inString, size_t size); + void UndoLazyPut(size_t size); + void FinalizeLazyPut(); + + ByteQueue & operator=(const ByteQueue &rhs); + bool operator==(const ByteQueue &rhs) const; + byte operator[](lword i) const; + void swap(ByteQueue &rhs); + + class Walker : public InputRejecting<BufferedTransformation> + { + public: + Walker(const ByteQueue &queue) + : m_queue(queue) {Initialize();} + + lword GetCurrentPosition() {return m_position;} + + lword MaxRetrievable() const + {return m_queue.CurrentSize() - m_position;} + + void IsolatedInitialize(const NameValuePairs ¶meters); + + size_t Get(byte &outByte); + size_t Get(byte *outString, size_t getMax); + + size_t Peek(byte &outByte) const; + size_t Peek(byte *outString, size_t peekMax) const; + + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true); + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const; + + private: + const ByteQueue &m_queue; + const ByteQueueNode *m_node; + lword m_position; + size_t m_offset; + const byte *m_lazyString; + size_t m_lazyLength; + }; + + friend class Walker; + +private: + void CleanupUsedNodes(); + void CopyFrom(const ByteQueue ©); + void Destroy(); + + bool m_autoNodeSize; + size_t m_nodeSize; + ByteQueueNode *m_head, *m_tail; + byte *m_lazyString; + size_t m_lazyLength; + bool m_lazyStringModifiable; +}; + +//! use this to make sure LazyPut is finalized in event of exception +class CRYPTOPP_DLL LazyPutter +{ +public: + LazyPutter(ByteQueue &bq, const byte *inString, size_t size) + : m_bq(bq) {bq.LazyPut(inString, size);} + ~LazyPutter() + {try {m_bq.FinalizeLazyPut();} catch(...) {}} +protected: + LazyPutter(ByteQueue &bq) : m_bq(bq) {} +private: + ByteQueue &m_bq; +}; + +//! like LazyPutter, but does a LazyPutModifiable instead +class LazyPutterModifiable : public LazyPutter +{ +public: + LazyPutterModifiable(ByteQueue &bq, byte *inString, size_t size) + : LazyPutter(bq) {bq.LazyPutModifiable(inString, size);} +}; + +NAMESPACE_END + +#ifndef __BORLANDC__ +NAMESPACE_BEGIN(std) +template<> inline void swap(CryptoPP::ByteQueue &a, CryptoPP::ByteQueue &b) +{ + a.swap(b); +} +NAMESPACE_END +#endif + +#endif diff --git a/CryptoPP/rabin.cpp b/CryptoPP/rabin.cpp new file mode 100644 index 000000000..d496333b5 --- /dev/null +++ b/CryptoPP/rabin.cpp @@ -0,0 +1,221 @@ +// rabin.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "rabin.h" +#include "nbtheory.h" +#include "asn.h" +#include "sha.h" +#include "modarith.h" + +NAMESPACE_BEGIN(CryptoPP) + +void RabinFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_r.BERDecode(seq); + m_s.BERDecode(seq); + seq.MessageEnd(); +} + +void RabinFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_r.DEREncode(seq); + m_s.DEREncode(seq); + seq.MessageEnd(); +} + +Integer RabinFunction::ApplyFunction(const Integer &in) const +{ + DoQuickSanityCheck(); + + Integer out = in.Squared()%m_n; + if (in.IsOdd()) + out = out*m_r%m_n; + if (Jacobi(in, m_n)==-1) + out = out*m_s%m_n; + return out; +} + +bool RabinFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_n > Integer::One() && m_n%4 == 1; + pass = pass && m_r > Integer::One() && m_r < m_n; + pass = pass && m_s > Integer::One() && m_s < m_n; + if (level >= 1) + pass = pass && Jacobi(m_r, m_n) == -1 && Jacobi(m_s, m_n) == -1; + return pass; +} + +bool RabinFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_GET_FUNCTION_ENTRY(QuadraticResidueModPrime1) + CRYPTOPP_GET_FUNCTION_ENTRY(QuadraticResidueModPrime2) + ; +} + +void RabinFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_SET_FUNCTION_ENTRY(QuadraticResidueModPrime1) + CRYPTOPP_SET_FUNCTION_ENTRY(QuadraticResidueModPrime2) + ; +} + +// ***************************************************************************** +// private key operations: + +// generate a random private key +void InvertibleRabinFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + int modulusSize = 2048; + alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize); + + if (modulusSize < 16) + throw InvalidArgument("InvertibleRabinFunction: specified modulus size is too small"); + + // VC70 workaround: putting these after primeParam causes overlapped stack allocation + bool rFound=false, sFound=false; + Integer t=2; + + AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize) + ("EquivalentTo", 3)("Mod", 4); + m_p.GenerateRandom(rng, primeParam); + m_q.GenerateRandom(rng, primeParam); + + while (!(rFound && sFound)) + { + int jp = Jacobi(t, m_p); + int jq = Jacobi(t, m_q); + + if (!rFound && jp==1 && jq==-1) + { + m_r = t; + rFound = true; + } + + if (!sFound && jp==-1 && jq==1) + { + m_s = t; + sFound = true; + } + + ++t; + } + + m_n = m_p * m_q; + m_u = m_q.InverseMod(m_p); +} + +void InvertibleRabinFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_r.BERDecode(seq); + m_s.BERDecode(seq); + m_p.BERDecode(seq); + m_q.BERDecode(seq); + m_u.BERDecode(seq); + seq.MessageEnd(); +} + +void InvertibleRabinFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_r.DEREncode(seq); + m_s.DEREncode(seq); + m_p.DEREncode(seq); + m_q.DEREncode(seq); + m_u.DEREncode(seq); + seq.MessageEnd(); +} + +Integer InvertibleRabinFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &in) const +{ + DoQuickSanityCheck(); + + ModularArithmetic modn(m_n); + Integer r(rng, Integer::One(), m_n - Integer::One()); + r = modn.Square(r); + Integer r2 = modn.Square(r); + Integer c = modn.Multiply(in, r2); // blind + + Integer cp=c%m_p, cq=c%m_q; + + int jp = Jacobi(cp, m_p); + int jq = Jacobi(cq, m_q); + + if (jq==-1) + { + cp = cp*EuclideanMultiplicativeInverse(m_r, m_p)%m_p; + cq = cq*EuclideanMultiplicativeInverse(m_r, m_q)%m_q; + } + + if (jp==-1) + { + cp = cp*EuclideanMultiplicativeInverse(m_s, m_p)%m_p; + cq = cq*EuclideanMultiplicativeInverse(m_s, m_q)%m_q; + } + + cp = ModularSquareRoot(cp, m_p); + cq = ModularSquareRoot(cq, m_q); + + if (jp==-1) + cp = m_p-cp; + + Integer out = CRT(cq, m_q, cp, m_p, m_u); + + out = modn.Divide(out, r); // unblind + + if ((jq==-1 && out.IsEven()) || (jq==1 && out.IsOdd())) + out = m_n-out; + + return out; +} + +bool InvertibleRabinFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = RabinFunction::Validate(rng, level); + pass = pass && m_p > Integer::One() && m_p%4 == 3 && m_p < m_n; + pass = pass && m_q > Integer::One() && m_q%4 == 3 && m_q < m_n; + pass = pass && m_u.IsPositive() && m_u < m_p; + if (level >= 1) + { + pass = pass && m_p * m_q == m_n; + pass = pass && m_u * m_q % m_p == 1; + pass = pass && Jacobi(m_r, m_p) == 1; + pass = pass && Jacobi(m_r, m_q) == -1; + pass = pass && Jacobi(m_s, m_p) == -1; + pass = pass && Jacobi(m_s, m_q) == 1; + } + if (level >= 2) + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + return pass; +} + +bool InvertibleRabinFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<RabinFunction>(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +void InvertibleRabinFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper<RabinFunction>(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +NAMESPACE_END diff --git a/CryptoPP/rabin.h b/CryptoPP/rabin.h new file mode 100644 index 000000000..1c9bcbb49 --- /dev/null +++ b/CryptoPP/rabin.h @@ -0,0 +1,107 @@ +#ifndef CRYPTOPP_RABIN_H +#define CRYPTOPP_RABIN_H + +/** \file +*/ + +#include "oaep.h" +#include "pssr.h" +#include "integer.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class RabinFunction : public TrapdoorFunction, public PublicKey +{ + typedef RabinFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &r, const Integer &s) + {m_n = n; m_r = r; m_s = s;} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return m_n;} + Integer ImageBound() const {return m_n;} + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + const Integer& GetModulus() const {return m_n;} + const Integer& GetQuadraticResidueModPrime1() const {return m_r;} + const Integer& GetQuadraticResidueModPrime2() const {return m_s;} + + void SetModulus(const Integer &n) {m_n = n;} + void SetQuadraticResidueModPrime1(const Integer &r) {m_r = r;} + void SetQuadraticResidueModPrime2(const Integer &s) {m_s = s;} + +protected: + Integer m_n, m_r, m_s; +}; + +//! _ +class InvertibleRabinFunction : public RabinFunction, public TrapdoorFunctionInverse, public PrivateKey +{ + typedef InvertibleRabinFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &r, const Integer &s, + const Integer &p, const Integer &q, const Integer &u) + {m_n = n; m_r = r; m_s = s; m_p = p; m_q = q; m_u = u;} + void Initialize(RandomNumberGenerator &rng, unsigned int keybits) + {GenerateRandomWithKeySize(rng, keybits);} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const; + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + /*! parameters: (ModulusSize) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + + const Integer& GetPrime1() const {return m_p;} + const Integer& GetPrime2() const {return m_q;} + const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;} + + void SetPrime1(const Integer &p) {m_p = p;} + void SetPrime2(const Integer &q) {m_q = q;} + void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;} + +protected: + Integer m_p, m_q, m_u; +}; + +//! Rabin +struct Rabin +{ + static std::string StaticAlgorithmName() {return "Rabin-Crypto++Variant";} + typedef RabinFunction PublicKey; + typedef InvertibleRabinFunction PrivateKey; +}; + +//! Rabin encryption +template <class STANDARD> +struct RabinES : public TF_ES<STANDARD, Rabin> +{ +}; + +//! Rabin signature +template <class STANDARD, class H> +struct RabinSS : public TF_SS<STANDARD, H, Rabin> +{ +}; + +// More typedefs for backwards compatibility +class SHA1; +typedef RabinES<OAEP<SHA1> >::Decryptor RabinDecryptor; +typedef RabinES<OAEP<SHA1> >::Encryptor RabinEncryptor; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/randpool.cpp b/CryptoPP/randpool.cpp new file mode 100644 index 000000000..a063c8996 --- /dev/null +++ b/CryptoPP/randpool.cpp @@ -0,0 +1,63 @@ +// randpool.cpp - written and placed in the public domain by Wei Dai +// RandomPool used to follow the design of randpool in PGP 2.6.x, +// but as of version 5.5 it has been redesigned to reduce the risk +// of reusing random numbers after state rollback (which may occur +// when running in a virtual machine like VMware). + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "randpool.h" +#include "aes.h" +#include "sha.h" +#include "hrtimer.h" +#include <time.h> + +NAMESPACE_BEGIN(CryptoPP) + +RandomPool::RandomPool() + : m_pCipher(new AES::Encryption), m_keySet(false) +{ + memset(m_key, 0, m_key.SizeInBytes()); + memset(m_seed, 0, m_seed.SizeInBytes()); +} + +void RandomPool::IncorporateEntropy(const byte *input, size_t length) +{ + SHA256 hash; + hash.Update(m_key, 32); + hash.Update(input, length); + hash.Final(m_key); + m_keySet = false; +} + +void RandomPool::GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size) +{ + if (size > 0) + { + if (!m_keySet) + m_pCipher->SetKey(m_key, 32); + + Timer timer; + TimerWord tw = timer.GetCurrentTimerValue(); + CRYPTOPP_COMPILE_ASSERT(sizeof(tw) <= 16); + *(TimerWord *)m_seed.data() += tw; + + time_t t = time(NULL); + CRYPTOPP_COMPILE_ASSERT(sizeof(t) <= 8); + *(time_t *)(m_seed.data()+8) += t; + + do + { + m_pCipher->ProcessBlock(m_seed); + size_t len = UnsignedMin(16, size); + target.ChannelPut(channel, m_seed, len); + size -= len; + } while (size > 0); + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/randpool.h b/CryptoPP/randpool.h new file mode 100644 index 000000000..c25bc9bb1 --- /dev/null +++ b/CryptoPP/randpool.h @@ -0,0 +1,33 @@ +#ifndef CRYPTOPP_RANDPOOL_H +#define CRYPTOPP_RANDPOOL_H + +#include "cryptlib.h" +#include "filters.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! Randomness Pool +/*! This class can be used to generate cryptographic quality + pseudorandom bytes after seeding the pool with IncorporateEntropy() */ +class CRYPTOPP_DLL RandomPool : public RandomNumberGenerator, public NotCopyable +{ +public: + RandomPool(); + + bool CanIncorporateEntropy() const {return true;} + void IncorporateEntropy(const byte *input, size_t length); + void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size); + + // for backwards compatibility. use RandomNumberSource, RandomNumberStore, and RandomNumberSink for other BufferTransformation functionality + void Put(const byte *input, size_t length) {IncorporateEntropy(input, length);} + +private: + FixedSizeSecBlock<byte, 32> m_key; + FixedSizeSecBlock<byte, 16> m_seed; + member_ptr<BlockCipher> m_pCipher; + bool m_keySet; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rc2.cpp b/CryptoPP/rc2.cpp new file mode 100644 index 000000000..48df2ef45 --- /dev/null +++ b/CryptoPP/rc2.cpp @@ -0,0 +1,118 @@ +// rc2.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "rc2.h" +#include "misc.h" +#include "argnames.h" + +NAMESPACE_BEGIN(CryptoPP) + +void RC2::Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(keyLen); + + int effectiveLen = params.GetIntValueWithDefault(Name::EffectiveKeyLength(), DEFAULT_EFFECTIVE_KEYLENGTH); + if (effectiveLen > MAX_EFFECTIVE_KEYLENGTH) + throw InvalidArgument("RC2: effective key length parameter exceeds maximum"); + + static const unsigned char PITABLE[256] = { + 217,120,249,196, 25,221,181,237, 40,233,253,121, 74,160,216,157, + 198,126, 55,131, 43,118, 83,142, 98, 76,100,136, 68,139,251,162, + 23,154, 89,245,135,179, 79, 19, 97, 69,109,141, 9,129,125, 50, + 189,143, 64,235,134,183,123, 11,240,149, 33, 34, 92,107, 78,130, + 84,214,101,147,206, 96,178, 28,115, 86,192, 20,167,140,241,220, + 18,117,202, 31, 59,190,228,209, 66, 61,212, 48,163, 60,182, 38, + 111,191, 14,218, 70,105, 7, 87, 39,242, 29,155,188,148, 67, 3, + 248, 17,199,246,144,239, 62,231, 6,195,213, 47,200,102, 30,215, + 8,232,234,222,128, 82,238,247,132,170,114,172, 53, 77,106, 42, + 150, 26,210,113, 90, 21, 73,116, 75,159,208, 94, 4, 24,164,236, + 194,224, 65,110, 15, 81,203,204, 36,145,175, 80,161,244,112, 57, + 153,124, 58,133, 35,184,180,122,252, 2, 54, 91, 37, 85,151, 49, + 45, 93,250,152,227,138,146,174, 5,223, 41, 16,103,108,186,201, + 211, 0,230,207,225,158,168, 44, 99, 22, 1, 63, 88,226,137,169, + 13, 56, 52, 27,171, 51,255,176,187, 72, 12, 95,185,177,205, 46, + 197,243,219, 71,229,165,156,119, 10,166, 32,104,254,127,193,173}; + + SecByteBlock L(128); + memcpy(L, key, keyLen); + + int i; + for (i=keyLen; i<128; i++) + L[i] = PITABLE[(L[i-1] + L[i-keyLen]) & 255]; + + unsigned int T8 = (effectiveLen+7) / 8; + byte TM = 255 >> ((8-(effectiveLen%8))%8); + L[128-T8] = PITABLE[L[128-T8] & TM]; + + for (i=127-T8; i>=0; i--) + L[i] = PITABLE[L[i+1] ^ L[i+T8]]; + + for (i=0; i<64; i++) + K[i] = L[2*i] + (L[2*i+1] << 8); +} + +typedef BlockGetAndPut<word16, LittleEndian> Block; + +void RC2::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word16 R0, R1, R2, R3; + Block::Get(inBlock)(R0)(R1)(R2)(R3); + + for (int i = 0; i < 16; i++) + { + R0 += (R1 & ~R3) + (R2 & R3) + K[4*i+0]; + R0 = rotlFixed(R0, 1); + + R1 += (R2 & ~R0) + (R3 & R0) + K[4*i+1]; + R1 = rotlFixed(R1, 2); + + R2 += (R3 & ~R1) + (R0 & R1) + K[4*i+2]; + R2 = rotlFixed(R2, 3); + + R3 += (R0 & ~R2) + (R1 & R2) + K[4*i+3]; + R3 = rotlFixed(R3, 5); + + if (i == 4 || i == 10) + { + R0 += K[R3 & 63]; + R1 += K[R0 & 63]; + R2 += K[R1 & 63]; + R3 += K[R2 & 63]; + } + } + + Block::Put(xorBlock, outBlock)(R0)(R1)(R2)(R3); +} + +void RC2::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word16 R0, R1, R2, R3; + Block::Get(inBlock)(R0)(R1)(R2)(R3); + + for (int i = 15; i >= 0; i--) + { + if (i == 4 || i == 10) + { + R3 -= K[R2 & 63]; + R2 -= K[R1 & 63]; + R1 -= K[R0 & 63]; + R0 -= K[R3 & 63]; + } + + R3 = rotrFixed(R3, 5); + R3 -= (R0 & ~R2) + (R1 & R2) + K[4*i+3]; + + R2 = rotrFixed(R2, 3); + R2 -= (R3 & ~R1) + (R0 & R1) + K[4*i+2]; + + R1 = rotrFixed(R1, 2); + R1 -= (R2 & ~R0) + (R3 & R0) + K[4*i+1]; + + R0 = rotrFixed(R0, 1); + R0 -= (R1 & ~R3) + (R2 & R3) + K[4*i+0]; + } + + Block::Put(xorBlock, outBlock)(R0)(R1)(R2)(R3); +} + +NAMESPACE_END diff --git a/CryptoPP/rc2.h b/CryptoPP/rc2.h new file mode 100644 index 000000000..ebff798fc --- /dev/null +++ b/CryptoPP/rc2.h @@ -0,0 +1,73 @@ +#ifndef CRYPTOPP_RC2_H +#define CRYPTOPP_RC2_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" +#include "algparam.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct RC2_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 128> +{ + CRYPTOPP_CONSTANT(DEFAULT_EFFECTIVE_KEYLENGTH = 1024) + CRYPTOPP_CONSTANT(MAX_EFFECTIVE_KEYLENGTH = 1024) + static const char *StaticAlgorithmName() {return "RC2";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC2">RC2</a> +class RC2 : public RC2_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC2_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();} + + protected: + FixedSizeSecBlock<word16, 64> K; // expanded key table + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + class Encryption : public BlockCipherFinal<ENCRYPTION, Enc> + { + public: + Encryption() {} + Encryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH) + {SetKey(key, keyLen);} + Encryption(const byte *key, size_t keyLen, int effectiveKeyLen) + {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));} + }; + + class Decryption : public BlockCipherFinal<DECRYPTION, Dec> + { + public: + Decryption() {} + Decryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH) + {SetKey(key, keyLen);} + Decryption(const byte *key, size_t keyLen, int effectiveKeyLen) + {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));} + }; +}; + +typedef RC2::Encryption RC2Encryption; +typedef RC2::Decryption RC2Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rc5.cpp b/CryptoPP/rc5.cpp new file mode 100644 index 000000000..2b730def7 --- /dev/null +++ b/CryptoPP/rc5.cpp @@ -0,0 +1,79 @@ +// rc5.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "rc5.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void RC5::Base::UncheckedSetKey(const byte *k, unsigned int keylen, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(keylen); + + r = GetRoundsAndThrowIfInvalid(params, this); + sTable.New(2*(r+1)); + + static const RC5_WORD MAGIC_P = 0xb7e15163L; // magic constant P for wordsize + static const RC5_WORD MAGIC_Q = 0x9e3779b9L; // magic constant Q for wordsize + static const int U=sizeof(RC5_WORD); + + const unsigned int c = STDMAX((keylen+U-1)/U, 1U); // RC6 paper says c=1 if keylen==0 + SecBlock<RC5_WORD> l(c); + + GetUserKey(LITTLE_ENDIAN_ORDER, l.begin(), c, k, keylen); + + sTable[0] = MAGIC_P; + for (unsigned j=1; j<sTable.size();j++) + sTable[j] = sTable[j-1] + MAGIC_Q; + + RC5_WORD a=0, b=0; + const unsigned n = 3*STDMAX((unsigned int)sTable.size(), c); + + for (unsigned h=0; h < n; h++) + { + a = sTable[h % sTable.size()] = rotlFixed((sTable[h % sTable.size()] + a + b), 3); + b = l[h % c] = rotlMod((l[h % c] + a + b), (a+b)); + } +} + +typedef BlockGetAndPut<RC5::RC5_WORD, LittleEndian> Block; + +void RC5::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + const RC5_WORD *sptr = sTable; + RC5_WORD a, b; + + Block::Get(inBlock)(a)(b); + a += sptr[0]; + b += sptr[1]; + sptr += 2; + + for(unsigned i=0; i<r; i++) + { + a = rotlMod(a^b,b) + sptr[2*i+0]; + b = rotlMod(a^b,a) + sptr[2*i+1]; + } + + Block::Put(xorBlock, outBlock)(a)(b); +} + +void RC5::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + const RC5_WORD *sptr = sTable.end(); + RC5_WORD a, b; + + Block::Get(inBlock)(a)(b); + + for (unsigned i=0; i<r; i++) + { + sptr-=2; + b = rotrMod(b-sptr[1], a) ^ a; + a = rotrMod(a-sptr[0], b) ^ b; + } + b -= sTable[1]; + a -= sTable[0]; + + Block::Put(xorBlock, outBlock)(a)(b); +} + +NAMESPACE_END diff --git a/CryptoPP/rc5.h b/CryptoPP/rc5.h new file mode 100644 index 000000000..f842a9bdf --- /dev/null +++ b/CryptoPP/rc5.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_RC5_H +#define CRYPTOPP_RC5_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct RC5_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 0, 255>, public VariableRounds<16> +{ + static const char *StaticAlgorithmName() {return "RC5";} + typedef word32 RC5_WORD; +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC5">RC5</a> +class RC5 : public RC5_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC5_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + unsigned int r; // number of rounds + SecBlock<RC5_WORD> sTable; // expanded key table + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef RC5::Encryption RC5Encryption; +typedef RC5::Decryption RC5Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rc6.cpp b/CryptoPP/rc6.cpp new file mode 100644 index 000000000..e58cb6ac9 --- /dev/null +++ b/CryptoPP/rc6.cpp @@ -0,0 +1,96 @@ +// rc6.cpp - written and placed in the public domain by Sean Woods +// based on Wei Dai's RC5 code. + +#include "pch.h" +#include "rc6.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void RC6::Base::UncheckedSetKey(const byte *k, unsigned int keylen, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(keylen); + + r = GetRoundsAndThrowIfInvalid(params, this); + sTable.New(2*(r+2)); + + static const RC6_WORD MAGIC_P = 0xb7e15163L; // magic constant P for wordsize + static const RC6_WORD MAGIC_Q = 0x9e3779b9L; // magic constant Q for wordsize + static const int U=sizeof(RC6_WORD); + + const unsigned int c = STDMAX((keylen+U-1)/U, 1U); // RC6 paper says c=1 if keylen==0 + SecBlock<RC6_WORD> l(c); + + GetUserKey(LITTLE_ENDIAN_ORDER, l.begin(), c, k, keylen); + + sTable[0] = MAGIC_P; + for (unsigned j=1; j<sTable.size();j++) + sTable[j] = sTable[j-1] + MAGIC_Q; + + RC6_WORD a=0, b=0; + const unsigned n = 3*STDMAX((unsigned int)sTable.size(), c); + + for (unsigned h=0; h < n; h++) + { + a = sTable[h % sTable.size()] = rotlFixed((sTable[h % sTable.size()] + a + b), 3); + b = l[h % c] = rotlMod((l[h % c] + a + b), (a+b)); + } +} + +typedef BlockGetAndPut<RC6::RC6_WORD, LittleEndian> Block; + +void RC6::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + const RC6_WORD *sptr = sTable; + RC6_WORD a, b, c, d, t, u; + + Block::Get(inBlock)(a)(b)(c)(d); + b += sptr[0]; + d += sptr[1]; + sptr += 2; + + for(unsigned i=0; i<r; i++) + { + t = rotlFixed(b*(2*b+1), 5); + u = rotlFixed(d*(2*d+1), 5); + a = rotlMod(a^t,u) + sptr[0]; + c = rotlMod(c^u,t) + sptr[1]; + t = a; a = b; b = c; c = d; d = t; + sptr += 2; + } + + a += sptr[0]; + c += sptr[1]; + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d); +} + +void RC6::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + const RC6_WORD *sptr = sTable.end(); + RC6_WORD a, b, c, d, t, u; + + Block::Get(inBlock)(a)(b)(c)(d); + + sptr -= 2; + c -= sptr[1]; + a -= sptr[0]; + + for (unsigned i=0; i < r; i++) + { + sptr -= 2; + t = a; a = d; d = c; c = b; b = t; + u = rotlFixed(d*(2*d+1), 5); + t = rotlFixed(b*(2*b+1), 5); + c = rotrMod(c-sptr[1], t) ^ u; + a = rotrMod(a-sptr[0], u) ^ t; + } + + sptr -= 2; + d -= sTable[1]; + b -= sTable[0]; + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d); +} + +NAMESPACE_END diff --git a/CryptoPP/rc6.h b/CryptoPP/rc6.h new file mode 100644 index 000000000..df3d1ee4e --- /dev/null +++ b/CryptoPP/rc6.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_RC6_H +#define CRYPTOPP_RC6_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct RC6_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 255>, public VariableRounds<20> +{ + static const char *StaticAlgorithmName() {return "RC6";} + typedef word32 RC6_WORD; +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC6">RC6</a> +class RC6 : public RC6_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC6_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + unsigned int r; // number of rounds + SecBlock<RC6_WORD> sTable; // expanded key table + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef RC6::Encryption RC6Encryption; +typedef RC6::Decryption RC6Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rdtables.cpp b/CryptoPP/rdtables.cpp new file mode 100644 index 000000000..493793252 --- /dev/null +++ b/CryptoPP/rdtables.cpp @@ -0,0 +1,172 @@ +// Rijndael tables + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "rijndael.h" + +// VC60 workaround: gives a C4786 warning without this function +// when runtime lib is set to multithread debug DLL +// even though warning 4786 is disabled! +void Rijndael_VC60Workaround() +{ +} + +NAMESPACE_BEGIN(CryptoPP) + +/* +Te0[x] = S [x].[02, 01, 01, 03]; +Te1[x] = S [x].[03, 02, 01, 01]; +Te2[x] = S [x].[01, 03, 02, 01]; +Te3[x] = S [x].[01, 01, 03, 02]; + +Td0[x] = Si[x].[0e, 09, 0d, 0b]; +Td1[x] = Si[x].[0b, 0e, 09, 0d]; +Td2[x] = Si[x].[0d, 0b, 0e, 09]; +Td3[x] = Si[x].[09, 0d, 0b, 0e]; +*/ + +const byte Rijndael::Base::Se[256] = { + 0x63, 0x7c, 0x77, 0x7b, + 0xf2, 0x6b, 0x6f, 0xc5, + 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, + 0xca, 0x82, 0xc9, 0x7d, + 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, + 0x9c, 0xa4, 0x72, 0xc0, + 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, + 0x34, 0xa5, 0xe5, 0xf1, + 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, + 0x18, 0x96, 0x05, 0x9a, + 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, + 0x09, 0x83, 0x2c, 0x1a, + 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, + 0x29, 0xe3, 0x2f, 0x84, + 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, + 0x6a, 0xcb, 0xbe, 0x39, + 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, + 0x43, 0x4d, 0x33, 0x85, + 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, + 0x51, 0xa3, 0x40, 0x8f, + 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, + 0x10, 0xff, 0xf3, 0xd2, + 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, + 0xc4, 0xa7, 0x7e, 0x3d, + 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, + 0x22, 0x2a, 0x90, 0x88, + 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, + 0xe0, 0x32, 0x3a, 0x0a, + 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, + 0x91, 0x95, 0xe4, 0x79, + 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, + 0x6c, 0x56, 0xf4, 0xea, + 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, + 0x1c, 0xa6, 0xb4, 0xc6, + 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, + 0x70, 0x3e, 0xb5, 0x66, + 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, + 0x86, 0xc1, 0x1d, 0x9e, + 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, + 0x9b, 0x1e, 0x87, 0xe9, + 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, + 0xbf, 0xe6, 0x42, 0x68, + 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16, +}; + +const byte Rijndael::Base::Sd[256] = { + 0x52, 0x09, 0x6a, 0xd5, + 0x30, 0x36, 0xa5, 0x38, + 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, + 0x7c, 0xe3, 0x39, 0x82, + 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, + 0xc4, 0xde, 0xe9, 0xcb, + 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, + 0xee, 0x4c, 0x95, 0x0b, + 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, + 0x28, 0xd9, 0x24, 0xb2, + 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, + 0x72, 0xf8, 0xf6, 0x64, + 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, + 0x5d, 0x65, 0xb6, 0x92, + 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, + 0x5e, 0x15, 0x46, 0x57, + 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, + 0x8c, 0xbc, 0xd3, 0x0a, + 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, + 0xd0, 0x2c, 0x1e, 0x8f, + 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, + 0x01, 0x13, 0x8a, 0x6b, + 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, + 0x97, 0xf2, 0xcf, 0xce, + 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, + 0xe7, 0xad, 0x35, 0x85, + 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, + 0x47, 0xf1, 0x1a, 0x71, + 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, + 0xaa, 0x18, 0xbe, 0x1b, + 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, + 0x9a, 0xdb, 0xc0, 0xfe, + 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, + 0x88, 0x07, 0xc7, 0x31, + 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, + 0x60, 0x51, 0x7f, 0xa9, + 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, + 0x93, 0xc9, 0x9c, 0xef, + 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, + 0xc8, 0xeb, 0xbb, 0x3c, + 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, + 0xba, 0x77, 0xd6, 0x26, + 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d, +}; + +const word32 Rijndael::Base::rcon[] = { + 0x01000000, 0x02000000, 0x04000000, 0x08000000, + 0x10000000, 0x20000000, 0x40000000, 0x80000000, + 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/regtest.cpp b/CryptoPP/regtest.cpp new file mode 100644 index 000000000..49afcb69d --- /dev/null +++ b/CryptoPP/regtest.cpp @@ -0,0 +1,145 @@ +#include "factory.h" + +#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1 +#include "modes.h" +#include "dh.h" +#include "esign.h" +#include "md2.h" +#include "rw.h" +#include "md5.h" +#include "rsa.h" +#include "ripemd.h" +#include "dsa.h" +#include "seal.h" +#include "whrlpool.h" +#include "ttmac.h" +#include "camellia.h" +#include "shacal2.h" +#include "tea.h" +#include "panama.h" +#include "pssr.h" +#include "aes.h" +#include "salsa.h" +#include "vmac.h" +#include "tiger.h" +#include "md5.h" +#include "sosemanuk.h" +#include "arc4.h" +#include "ccm.h" +#include "gcm.h" +#include "eax.h" +#include "twofish.h" +#include "serpent.h" +#include "cast.h" +#include "rc6.h" +#include "mars.h" +#include "shacal2.h" +#include "des.h" +#include "idea.h" +#include "rc5.h" +#include "tea.h" +#include "skipjack.h" +#include "cmac.h" +#include "dmac.h" +#include "blowfish.h" +#include "seed.h" +#include "wake.h" +#include "seal.h" +#include "crc.h" +#include "adler32.h" + +USING_NAMESPACE(CryptoPP) + +void RegisterFactories() +{ + static bool s_registered = false; + if (s_registered) + return; + + RegisterDefaultFactoryFor<SimpleKeyAgreementDomain, DH>(); + RegisterDefaultFactoryFor<HashTransformation, CRC32>(); + RegisterDefaultFactoryFor<HashTransformation, Adler32>(); + RegisterDefaultFactoryFor<HashTransformation, Weak::MD5>(); + RegisterDefaultFactoryFor<HashTransformation, SHA1>(); + RegisterDefaultFactoryFor<HashTransformation, SHA224>(); + RegisterDefaultFactoryFor<HashTransformation, SHA256>(); + RegisterDefaultFactoryFor<HashTransformation, SHA384>(); + RegisterDefaultFactoryFor<HashTransformation, SHA512>(); + RegisterDefaultFactoryFor<HashTransformation, Whirlpool>(); + RegisterDefaultFactoryFor<HashTransformation, Tiger>(); + RegisterDefaultFactoryFor<HashTransformation, RIPEMD160>(); + RegisterDefaultFactoryFor<HashTransformation, RIPEMD320>(); + RegisterDefaultFactoryFor<HashTransformation, RIPEMD128>(); + RegisterDefaultFactoryFor<HashTransformation, RIPEMD256>(); + RegisterDefaultFactoryFor<HashTransformation, Weak::PanamaHash<LittleEndian> >(); + RegisterDefaultFactoryFor<HashTransformation, Weak::PanamaHash<BigEndian> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<Weak::MD5> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<SHA1> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<RIPEMD160> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<SHA224> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<SHA256> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<SHA384> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, HMAC<SHA512> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, TTMAC>(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, VMAC<AES> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, VMAC<AES, 64> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, Weak::PanamaMAC<LittleEndian> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, Weak::PanamaMAC<BigEndian> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, CMAC<AES> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, DMAC<AES> >(); + RegisterDefaultFactoryFor<MessageAuthenticationCode, CMAC<DES_EDE3> >(); + RegisterAsymmetricCipherDefaultFactories<RSAES<OAEP<SHA1> > >("RSA/OAEP-MGF1(SHA-1)"); + RegisterAsymmetricCipherDefaultFactories<DLIES<> >("DLIES(NoCofactorMultiplication, KDF2(SHA-1), XOR, HMAC(SHA-1), DHAES)"); + RegisterSignatureSchemeDefaultFactories<DSA>("DSA(1363)"); + RegisterSignatureSchemeDefaultFactories<NR<SHA1> >("NR(1363)/EMSA1(SHA-1)"); + RegisterSignatureSchemeDefaultFactories<GDSA<SHA1> >("DSA-1363/EMSA1(SHA-1)"); + RegisterSignatureSchemeDefaultFactories<RSASS<PKCS1v15, Weak::MD2> >("RSA/PKCS1-1.5(MD2)"); + RegisterSignatureSchemeDefaultFactories<RSASS<PKCS1v15, SHA1> >("RSA/PKCS1-1.5(SHA-1)"); + RegisterSignatureSchemeDefaultFactories<ESIGN<SHA1> >("ESIGN/EMSA5-MGF1(SHA-1)"); + RegisterSignatureSchemeDefaultFactories<RWSS<P1363_EMSA2, SHA1> >("RW/EMSA2(SHA-1)"); + RegisterSignatureSchemeDefaultFactories<RSASS<PSS, SHA1> >("RSA/PSS-MGF1(SHA-1)"); + RegisterSymmetricCipherDefaultFactories<SEAL<> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<SHACAL2> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<Camellia> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<TEA> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<XTEA> >(); + RegisterSymmetricCipherDefaultFactories<PanamaCipher<LittleEndian> >(); + RegisterSymmetricCipherDefaultFactories<PanamaCipher<BigEndian> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<AES> >(); + RegisterSymmetricCipherDefaultFactories<CBC_Mode<AES> >(); + RegisterSymmetricCipherDefaultFactories<CFB_Mode<AES> >(); + RegisterSymmetricCipherDefaultFactories<OFB_Mode<AES> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<AES> >(); + RegisterSymmetricCipherDefaultFactories<Salsa20>(); + RegisterSymmetricCipherDefaultFactories<XSalsa20>(); + RegisterSymmetricCipherDefaultFactories<Sosemanuk>(); + RegisterSymmetricCipherDefaultFactories<Weak::MARC4>(); + RegisterSymmetricCipherDefaultFactories<WAKE_OFB<LittleEndian> >(); + RegisterSymmetricCipherDefaultFactories<WAKE_OFB<BigEndian> >(); + RegisterSymmetricCipherDefaultFactories<SEAL<LittleEndian> >(); + RegisterAuthenticatedSymmetricCipherDefaultFactories<CCM<AES> >(); + RegisterAuthenticatedSymmetricCipherDefaultFactories<GCM<AES> >(); + RegisterAuthenticatedSymmetricCipherDefaultFactories<EAX<AES> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<Camellia> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<Twofish> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<Serpent> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<CAST256> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<RC6> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<MARS> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<MARS> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<SHACAL2> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<DES> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<DES_XEX3> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<DES_EDE3> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<IDEA> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<RC5> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<TEA> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<XTEA> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<CAST128> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<SKIPJACK> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<Blowfish> >(); + RegisterSymmetricCipherDefaultFactories<ECB_Mode<SEED> >(); + RegisterSymmetricCipherDefaultFactories<CTR_Mode<SEED> >(); + + s_registered = true; +} diff --git a/CryptoPP/resource.h b/CryptoPP/resource.h new file mode 100644 index 000000000..861e22ba3 --- /dev/null +++ b/CryptoPP/resource.h @@ -0,0 +1,15 @@ +//{{NO_DEPENDENCIES}} +// Microsoft Developer Studio generated include file. +// Used by cryptopp.rc +// + +// Next default values for new objects +// +#ifdef APSTUDIO_INVOKED +#ifndef APSTUDIO_READONLY_SYMBOLS +#define _APS_NEXT_RESOURCE_VALUE 101 +#define _APS_NEXT_COMMAND_VALUE 40001 +#define _APS_NEXT_CONTROL_VALUE 1000 +#define _APS_NEXT_SYMED_VALUE 101 +#endif +#endif diff --git a/CryptoPP/rijndael.cpp b/CryptoPP/rijndael.cpp new file mode 100644 index 000000000..608b9d30d --- /dev/null +++ b/CryptoPP/rijndael.cpp @@ -0,0 +1,1257 @@ +// rijndael.cpp - modified by Chris Morgan <cmorgan@wpi.edu> +// and Wei Dai from Paulo Baretto's Rijndael implementation +// The original code and all modifications are in the public domain. + +// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM rijndael.cpp" to generate MASM code + +/* +July 2010: Added support for AES-NI instructions via compiler intrinsics. +*/ + +/* +Feb 2009: The x86/x64 assembly code was rewritten in by Wei Dai to do counter mode +caching, which was invented by Hongjun Wu and popularized by Daniel J. Bernstein +and Peter Schwabe in their paper "New AES software speed records". The round +function was also modified to include a trick similar to one in Brian Gladman's +x86 assembly code, doing an 8-bit register move to minimize the number of +register spills. Also switched to compressed tables and copying round keys to +the stack. + +The C++ implementation now uses compressed tables if +CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS is defined. +*/ + +/* +July 2006: Defense against timing attacks was added in by Wei Dai. + +The code now uses smaller tables in the first and last rounds, +and preloads them into L1 cache before usage (by loading at least +one element in each cache line). + +We try to delay subsequent accesses to each table (used in the first +and last rounds) until all of the table has been preloaded. Hopefully +the compiler isn't smart enough to optimize that code away. + +After preloading the table, we also try not to access any memory location +other than the table and the stack, in order to prevent table entries from +being unloaded from L1 cache, until that round is finished. +(Some popular CPUs have 2-way associative caches.) +*/ + +// This is the original introductory comment: + +/** + * version 3.0 (December 2000) + * + * Optimised ANSI C code for the Rijndael cipher (now AES) + * + * author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> + * author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> + * author Paulo Barreto <paulo.barreto@terra.com.br> + * + * This code is hereby placed in the public domain. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#include "rijndael.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) +namespace rdtable {CRYPTOPP_ALIGN_DATA(16) word64 Te[256+2];} +using namespace rdtable; +#else +static word64 Te[256]; +#endif +static word64 Td[256]; +#else +static word32 Te[256*4], Td[256*4]; +#endif +static volatile bool s_TeFilled = false, s_TdFilled = false; + +// ************************* Portable Code ************************************ + +#define QUARTER_ROUND(L, T, t, a, b, c, d) \ + a ^= L(T, 3, byte(t)); t >>= 8;\ + b ^= L(T, 2, byte(t)); t >>= 8;\ + c ^= L(T, 1, byte(t)); t >>= 8;\ + d ^= L(T, 0, t); + +#define QUARTER_ROUND_LE(t, a, b, c, d) \ + tempBlock[a] = ((byte *)(Te+byte(t)))[1]; t >>= 8;\ + tempBlock[b] = ((byte *)(Te+byte(t)))[1]; t >>= 8;\ + tempBlock[c] = ((byte *)(Te+byte(t)))[1]; t >>= 8;\ + tempBlock[d] = ((byte *)(Te+t))[1]; + +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + #define QUARTER_ROUND_LD(t, a, b, c, d) \ + tempBlock[a] = ((byte *)(Td+byte(t)))[GetNativeByteOrder()*7]; t >>= 8;\ + tempBlock[b] = ((byte *)(Td+byte(t)))[GetNativeByteOrder()*7]; t >>= 8;\ + tempBlock[c] = ((byte *)(Td+byte(t)))[GetNativeByteOrder()*7]; t >>= 8;\ + tempBlock[d] = ((byte *)(Td+t))[GetNativeByteOrder()*7]; +#else + #define QUARTER_ROUND_LD(t, a, b, c, d) \ + tempBlock[a] = Sd[byte(t)]; t >>= 8;\ + tempBlock[b] = Sd[byte(t)]; t >>= 8;\ + tempBlock[c] = Sd[byte(t)]; t >>= 8;\ + tempBlock[d] = Sd[t]; +#endif + +#define QUARTER_ROUND_E(t, a, b, c, d) QUARTER_ROUND(TL_M, Te, t, a, b, c, d) +#define QUARTER_ROUND_D(t, a, b, c, d) QUARTER_ROUND(TL_M, Td, t, a, b, c, d) + +#ifdef IS_LITTLE_ENDIAN + #define QUARTER_ROUND_FE(t, a, b, c, d) QUARTER_ROUND(TL_F, Te, t, d, c, b, a) + #define QUARTER_ROUND_FD(t, a, b, c, d) QUARTER_ROUND(TL_F, Td, t, d, c, b, a) + #ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + #define TL_F(T, i, x) (*(word32 *)((byte *)T + x*8 + (6-i)%4+1)) + #define TL_M(T, i, x) (*(word32 *)((byte *)T + x*8 + (i+3)%4+1)) + #else + #define TL_F(T, i, x) rotrFixed(T[x], (3-i)*8) + #define TL_M(T, i, x) T[i*256 + x] + #endif +#else + #define QUARTER_ROUND_FE(t, a, b, c, d) QUARTER_ROUND(TL_F, Te, t, a, b, c, d) + #define QUARTER_ROUND_FD(t, a, b, c, d) QUARTER_ROUND(TL_F, Td, t, a, b, c, d) + #ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + #define TL_F(T, i, x) (*(word32 *)((byte *)T + x*8 + (4-i)%4)) + #define TL_M TL_F + #else + #define TL_F(T, i, x) rotrFixed(T[x], i*8) + #define TL_M(T, i, x) T[i*256 + x] + #endif +#endif + + +#define f2(x) ((x<<1)^(((x>>7)&1)*0x11b)) +#define f4(x) ((x<<2)^(((x>>6)&1)*0x11b)^(((x>>6)&2)*0x11b)) +#define f8(x) ((x<<3)^(((x>>5)&1)*0x11b)^(((x>>5)&2)*0x11b)^(((x>>5)&4)*0x11b)) + +#define f3(x) (f2(x) ^ x) +#define f9(x) (f8(x) ^ x) +#define fb(x) (f8(x) ^ f2(x) ^ x) +#define fd(x) (f8(x) ^ f4(x) ^ x) +#define fe(x) (f8(x) ^ f4(x) ^ f2(x)) + +void Rijndael::Base::FillEncTable() +{ + for (int i=0; i<256; i++) + { + byte x = Se[i]; +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + word32 y = word32(x)<<8 | word32(x)<<16 | word32(f2(x))<<24; + Te[i] = word64(y | f3(x))<<32 | y; +#else + word32 y = f3(x) | word32(x)<<8 | word32(x)<<16 | word32(f2(x))<<24; + for (int j=0; j<4; j++) + { + Te[i+j*256] = y; + y = rotrFixed(y, 8); + } +#endif + } +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + Te[256] = Te[257] = 0; +#endif + s_TeFilled = true; +} + +void Rijndael::Base::FillDecTable() +{ + for (int i=0; i<256; i++) + { + byte x = Sd[i]; +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + word32 y = word32(fd(x))<<8 | word32(f9(x))<<16 | word32(fe(x))<<24; + Td[i] = word64(y | fb(x))<<32 | y | x; +#else + word32 y = fb(x) | word32(fd(x))<<8 | word32(f9(x))<<16 | word32(fe(x))<<24;; + for (int j=0; j<4; j++) + { + Td[i+j*256] = y; + y = rotrFixed(y, 8); + } +#endif + } + s_TdFilled = true; +} + +void Rijndael::Base::UncheckedSetKey(const byte *userKey, unsigned int keylen, const NameValuePairs &) +{ + AssertValidKeyLength(keylen); + + m_rounds = keylen/4 + 6; + m_key.New(4*(m_rounds+1)); + + word32 *rk = m_key; + +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE && (!defined(_MSC_VER) || _MSC_VER >= 1600 || CRYPTOPP_BOOL_X86) + // MSVC 2008 SP1 generates bad code for _mm_extract_epi32() when compiling for X64 + if (HasAESNI()) + { + static const word32 rcLE[] = { + 0x01, 0x02, 0x04, 0x08, + 0x10, 0x20, 0x40, 0x80, + 0x1B, 0x36, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ + }; + const word32 *rc = rcLE; + + __m128i temp = _mm_loadu_si128((__m128i *)(userKey+keylen-16)); + memcpy(rk, userKey, keylen); + + while (true) + { + rk[keylen/4] = rk[0] ^ _mm_extract_epi32(_mm_aeskeygenassist_si128(temp, 0), 3) ^ *(rc++); + rk[keylen/4+1] = rk[1] ^ rk[keylen/4]; + rk[keylen/4+2] = rk[2] ^ rk[keylen/4+1]; + rk[keylen/4+3] = rk[3] ^ rk[keylen/4+2]; + + if (rk + keylen/4 + 4 == m_key.end()) + break; + + if (keylen == 24) + { + rk[10] = rk[ 4] ^ rk[ 9]; + rk[11] = rk[ 5] ^ rk[10]; + temp = _mm_insert_epi32(temp, rk[11], 3); + } + else if (keylen == 32) + { + temp = _mm_insert_epi32(temp, rk[11], 3); + rk[12] = rk[ 4] ^ _mm_extract_epi32(_mm_aeskeygenassist_si128(temp, 0), 2); + rk[13] = rk[ 5] ^ rk[12]; + rk[14] = rk[ 6] ^ rk[13]; + rk[15] = rk[ 7] ^ rk[14]; + temp = _mm_insert_epi32(temp, rk[15], 3); + } + else + temp = _mm_insert_epi32(temp, rk[7], 3); + + rk += keylen/4; + } + + if (!IsForwardTransformation()) + { + rk = m_key; + unsigned int i, j; + + std::swap(*(__m128i *)(rk), *(__m128i *)(rk+4*m_rounds)); + + for (i = 4, j = 4*m_rounds-4; i < j; i += 4, j -= 4) + { + temp = _mm_aesimc_si128(*(__m128i *)(rk+i)); + *(__m128i *)(rk+i) = _mm_aesimc_si128(*(__m128i *)(rk+j)); + *(__m128i *)(rk+j) = temp; + } + + *(__m128i *)(rk+i) = _mm_aesimc_si128(*(__m128i *)(rk+i)); + } + + return; + } +#endif + + GetUserKey(BIG_ENDIAN_ORDER, rk, keylen/4, userKey, keylen); + const word32 *rc = rcon; + word32 temp; + + while (true) + { + temp = rk[keylen/4-1]; + word32 x = (word32(Se[GETBYTE(temp, 2)]) << 24) ^ (word32(Se[GETBYTE(temp, 1)]) << 16) ^ (word32(Se[GETBYTE(temp, 0)]) << 8) ^ Se[GETBYTE(temp, 3)]; + rk[keylen/4] = rk[0] ^ x ^ *(rc++); + rk[keylen/4+1] = rk[1] ^ rk[keylen/4]; + rk[keylen/4+2] = rk[2] ^ rk[keylen/4+1]; + rk[keylen/4+3] = rk[3] ^ rk[keylen/4+2]; + + if (rk + keylen/4 + 4 == m_key.end()) + break; + + if (keylen == 24) + { + rk[10] = rk[ 4] ^ rk[ 9]; + rk[11] = rk[ 5] ^ rk[10]; + } + else if (keylen == 32) + { + temp = rk[11]; + rk[12] = rk[ 4] ^ (word32(Se[GETBYTE(temp, 3)]) << 24) ^ (word32(Se[GETBYTE(temp, 2)]) << 16) ^ (word32(Se[GETBYTE(temp, 1)]) << 8) ^ Se[GETBYTE(temp, 0)]; + rk[13] = rk[ 5] ^ rk[12]; + rk[14] = rk[ 6] ^ rk[13]; + rk[15] = rk[ 7] ^ rk[14]; + } + rk += keylen/4; + } + + rk = m_key; + + if (IsForwardTransformation()) + { + if (!s_TeFilled) + FillEncTable(); + + ConditionalByteReverse(BIG_ENDIAN_ORDER, rk, rk, 16); + ConditionalByteReverse(BIG_ENDIAN_ORDER, rk + m_rounds*4, rk + m_rounds*4, 16); + } + else + { + if (!s_TdFilled) + FillDecTable(); + + unsigned int i, j; + +#define InverseMixColumn(x) TL_M(Td, 0, Se[GETBYTE(x, 3)]) ^ TL_M(Td, 1, Se[GETBYTE(x, 2)]) ^ TL_M(Td, 2, Se[GETBYTE(x, 1)]) ^ TL_M(Td, 3, Se[GETBYTE(x, 0)]) + + for (i = 4, j = 4*m_rounds-4; i < j; i += 4, j -= 4) + { + temp = InverseMixColumn(rk[i ]); rk[i ] = InverseMixColumn(rk[j ]); rk[j ] = temp; + temp = InverseMixColumn(rk[i + 1]); rk[i + 1] = InverseMixColumn(rk[j + 1]); rk[j + 1] = temp; + temp = InverseMixColumn(rk[i + 2]); rk[i + 2] = InverseMixColumn(rk[j + 2]); rk[j + 2] = temp; + temp = InverseMixColumn(rk[i + 3]); rk[i + 3] = InverseMixColumn(rk[j + 3]); rk[j + 3] = temp; + } + + rk[i+0] = InverseMixColumn(rk[i+0]); + rk[i+1] = InverseMixColumn(rk[i+1]); + rk[i+2] = InverseMixColumn(rk[i+2]); + rk[i+3] = InverseMixColumn(rk[i+3]); + + temp = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[0]); rk[0] = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[4*m_rounds+0]); rk[4*m_rounds+0] = temp; + temp = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[1]); rk[1] = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[4*m_rounds+1]); rk[4*m_rounds+1] = temp; + temp = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[2]); rk[2] = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[4*m_rounds+2]); rk[4*m_rounds+2] = temp; + temp = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[3]); rk[3] = ConditionalByteReverse(BIG_ENDIAN_ORDER, rk[4*m_rounds+3]); rk[4*m_rounds+3] = temp; + } + +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + if (HasAESNI()) + ConditionalByteReverse(BIG_ENDIAN_ORDER, rk+4, rk+4, (m_rounds-1)*16); +#endif +} + +void Rijndael::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) || CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + if (HasSSE2()) + { + Rijndael::Enc::AdvancedProcessBlocks(inBlock, xorBlock, outBlock, 16, 0); + return; + } +#endif + + typedef BlockGetAndPut<word32, NativeByteOrder> Block; + + word32 s0, s1, s2, s3, t0, t1, t2, t3; + Block::Get(inBlock)(s0)(s1)(s2)(s3); + + const word32 *rk = m_key; + s0 ^= rk[0]; + s1 ^= rk[1]; + s2 ^= rk[2]; + s3 ^= rk[3]; + t0 = rk[4]; + t1 = rk[5]; + t2 = rk[6]; + t3 = rk[7]; + rk += 8; + + // timing attack countermeasure. see comments at top for more details + const int cacheLineSize = GetCacheLineSize(); + unsigned int i; + word32 u = 0; +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + for (i=0; i<2048; i+=cacheLineSize) +#else + for (i=0; i<1024; i+=cacheLineSize) +#endif + u &= *(const word32 *)(((const byte *)Te)+i); + u &= Te[255]; + s0 |= u; s1 |= u; s2 |= u; s3 |= u; + + QUARTER_ROUND_FE(s3, t0, t1, t2, t3) + QUARTER_ROUND_FE(s2, t3, t0, t1, t2) + QUARTER_ROUND_FE(s1, t2, t3, t0, t1) + QUARTER_ROUND_FE(s0, t1, t2, t3, t0) + + // Nr - 2 full rounds: + unsigned int r = m_rounds/2 - 1; + do + { + s0 = rk[0]; s1 = rk[1]; s2 = rk[2]; s3 = rk[3]; + + QUARTER_ROUND_E(t3, s0, s1, s2, s3) + QUARTER_ROUND_E(t2, s3, s0, s1, s2) + QUARTER_ROUND_E(t1, s2, s3, s0, s1) + QUARTER_ROUND_E(t0, s1, s2, s3, s0) + + t0 = rk[4]; t1 = rk[5]; t2 = rk[6]; t3 = rk[7]; + + QUARTER_ROUND_E(s3, t0, t1, t2, t3) + QUARTER_ROUND_E(s2, t3, t0, t1, t2) + QUARTER_ROUND_E(s1, t2, t3, t0, t1) + QUARTER_ROUND_E(s0, t1, t2, t3, t0) + + rk += 8; + } while (--r); + + word32 tbw[4]; + byte *const tempBlock = (byte *)tbw; + + QUARTER_ROUND_LE(t2, 15, 2, 5, 8) + QUARTER_ROUND_LE(t1, 11, 14, 1, 4) + QUARTER_ROUND_LE(t0, 7, 10, 13, 0) + QUARTER_ROUND_LE(t3, 3, 6, 9, 12) + + Block::Put(xorBlock, outBlock)(tbw[0]^rk[0])(tbw[1]^rk[1])(tbw[2]^rk[2])(tbw[3]^rk[3]); +} + +void Rijndael::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + if (HasAESNI()) + { + Rijndael::Dec::AdvancedProcessBlocks(inBlock, xorBlock, outBlock, 16, 0); + return; + } +#endif + + typedef BlockGetAndPut<word32, NativeByteOrder> Block; + + word32 s0, s1, s2, s3, t0, t1, t2, t3; + Block::Get(inBlock)(s0)(s1)(s2)(s3); + + const word32 *rk = m_key; + s0 ^= rk[0]; + s1 ^= rk[1]; + s2 ^= rk[2]; + s3 ^= rk[3]; + t0 = rk[4]; + t1 = rk[5]; + t2 = rk[6]; + t3 = rk[7]; + rk += 8; + + // timing attack countermeasure. see comments at top for more details + const int cacheLineSize = GetCacheLineSize(); + unsigned int i; + word32 u = 0; +#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + for (i=0; i<2048; i+=cacheLineSize) +#else + for (i=0; i<1024; i+=cacheLineSize) +#endif + u &= *(const word32 *)(((const byte *)Td)+i); + u &= Td[255]; + s0 |= u; s1 |= u; s2 |= u; s3 |= u; + + QUARTER_ROUND_FD(s3, t2, t1, t0, t3) + QUARTER_ROUND_FD(s2, t1, t0, t3, t2) + QUARTER_ROUND_FD(s1, t0, t3, t2, t1) + QUARTER_ROUND_FD(s0, t3, t2, t1, t0) + + // Nr - 2 full rounds: + unsigned int r = m_rounds/2 - 1; + do + { + s0 = rk[0]; s1 = rk[1]; s2 = rk[2]; s3 = rk[3]; + + QUARTER_ROUND_D(t3, s2, s1, s0, s3) + QUARTER_ROUND_D(t2, s1, s0, s3, s2) + QUARTER_ROUND_D(t1, s0, s3, s2, s1) + QUARTER_ROUND_D(t0, s3, s2, s1, s0) + + t0 = rk[4]; t1 = rk[5]; t2 = rk[6]; t3 = rk[7]; + + QUARTER_ROUND_D(s3, t2, t1, t0, t3) + QUARTER_ROUND_D(s2, t1, t0, t3, t2) + QUARTER_ROUND_D(s1, t0, t3, t2, t1) + QUARTER_ROUND_D(s0, t3, t2, t1, t0) + + rk += 8; + } while (--r); + +#ifndef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS + // timing attack countermeasure. see comments at top for more details + // If CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS is defined, + // QUARTER_ROUND_LD will use Td, which is already preloaded. + u = 0; + for (i=0; i<256; i+=cacheLineSize) + u &= *(const word32 *)(Sd+i); + u &= *(const word32 *)(Sd+252); + t0 |= u; t1 |= u; t2 |= u; t3 |= u; +#endif + + word32 tbw[4]; + byte *const tempBlock = (byte *)tbw; + + QUARTER_ROUND_LD(t2, 7, 2, 13, 8) + QUARTER_ROUND_LD(t1, 3, 14, 9, 4) + QUARTER_ROUND_LD(t0, 15, 10, 5, 0) + QUARTER_ROUND_LD(t3, 11, 6, 1, 12) + + Block::Put(xorBlock, outBlock)(tbw[0]^rk[0])(tbw[1]^rk[1])(tbw[2]^rk[2])(tbw[3]^rk[3]); +} + +// ************************* Assembly Code ************************************ + +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + +CRYPTOPP_NAKED void CRYPTOPP_FASTCALL Rijndael_Enc_AdvancedProcessBlocks(void *locals, const word32 *k) +{ +#if CRYPTOPP_BOOL_X86 + +#define L_REG esp +#define L_INDEX(i) (L_REG+512+i) +#define L_INXORBLOCKS L_INBLOCKS+4 +#define L_OUTXORBLOCKS L_INBLOCKS+8 +#define L_OUTBLOCKS L_INBLOCKS+12 +#define L_INCREMENTS L_INDEX(16*15) +#define L_SP L_INDEX(16*16) +#define L_LENGTH L_INDEX(16*16+4) +#define L_KEYS_BEGIN L_INDEX(16*16+8) + +#define MOVD movd +#define MM(i) mm##i + +#define MXOR(a,b,c) \ + AS2( movzx esi, b)\ + AS2( movd mm7, DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + AS2( pxor MM(a), mm7)\ + +#define MMOV(a,b,c) \ + AS2( movzx esi, b)\ + AS2( movd MM(a), DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + +#else + +#define L_REG r8 +#define L_INDEX(i) (L_REG+i) +#define L_INXORBLOCKS L_INBLOCKS+8 +#define L_OUTXORBLOCKS L_INBLOCKS+16 +#define L_OUTBLOCKS L_INBLOCKS+24 +#define L_INCREMENTS L_INDEX(16*16) +#define L_LENGTH L_INDEX(16*18+8) +#define L_KEYS_BEGIN L_INDEX(16*19) + +#define MOVD mov +#define MM_0 r9d +#define MM_1 r12d +#ifdef __GNUC__ +#define MM_2 r11d +#else +#define MM_2 r10d +#endif +#define MM(i) MM_##i + +#define MXOR(a,b,c) \ + AS2( movzx esi, b)\ + AS2( xor MM(a), DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + +#define MMOV(a,b,c) \ + AS2( movzx esi, b)\ + AS2( mov MM(a), DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + +#endif + +#define L_SUBKEYS L_INDEX(0) +#define L_SAVED_X L_SUBKEYS +#define L_KEY12 L_INDEX(16*12) +#define L_LASTROUND L_INDEX(16*13) +#define L_INBLOCKS L_INDEX(16*14) +#define MAP0TO4(i) (ASM_MOD(i+3,4)+1) + +#define XOR(a,b,c) \ + AS2( movzx esi, b)\ + AS2( xor a, DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + +#define MOV(a,b,c) \ + AS2( movzx esi, b)\ + AS2( mov a, DWORD PTR [AS_REG_7+8*WORD_REG(si)+MAP0TO4(c)])\ + +#ifdef CRYPTOPP_GENERATE_X64_MASM + ALIGN 8 + Rijndael_Enc_AdvancedProcessBlocks PROC FRAME + rex_push_reg rsi + push_reg rdi + push_reg rbx + push_reg r12 + .endprolog + mov L_REG, rcx + mov AS_REG_7, ?Te@rdtable@CryptoPP@@3PA_KA + mov edi, DWORD PTR [?g_cacheLineSize@CryptoPP@@3IA] +#elif defined(__GNUC__) + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + #if CRYPTOPP_BOOL_X64 + AS2( mov L_REG, rcx) + #endif + AS_PUSH_IF86(bx) + AS_PUSH_IF86(bp) + AS2( mov AS_REG_7, WORD_REG(si)) +#else + AS_PUSH_IF86(si) + AS_PUSH_IF86(di) + AS_PUSH_IF86(bx) + AS_PUSH_IF86(bp) + AS2( lea AS_REG_7, [Te]) + AS2( mov edi, [g_cacheLineSize]) +#endif + +#if CRYPTOPP_BOOL_X86 + AS2( mov [ecx+16*12+16*4], esp) // save esp to L_SP + AS2( lea esp, [ecx-512]) +#endif + + // copy subkeys to stack + AS2( mov WORD_REG(si), [L_KEYS_BEGIN]) + AS2( mov WORD_REG(ax), 16) + AS2( and WORD_REG(ax), WORD_REG(si)) + AS2( movdqa xmm3, XMMWORD_PTR [WORD_REG(dx)+16+WORD_REG(ax)]) // subkey 1 (non-counter) or 2 (counter) + AS2( movdqa [L_KEY12], xmm3) + AS2( lea WORD_REG(ax), [WORD_REG(dx)+WORD_REG(ax)+2*16]) + AS2( sub WORD_REG(ax), WORD_REG(si)) + ASL(0) + AS2( movdqa xmm0, [WORD_REG(ax)+WORD_REG(si)]) + AS2( movdqa XMMWORD_PTR [L_SUBKEYS+WORD_REG(si)], xmm0) + AS2( add WORD_REG(si), 16) + AS2( cmp WORD_REG(si), 16*12) + ASJ( jl, 0, b) + + // read subkeys 0, 1 and last + AS2( movdqa xmm4, [WORD_REG(ax)+WORD_REG(si)]) // last subkey + AS2( movdqa xmm1, [WORD_REG(dx)]) // subkey 0 + AS2( MOVD MM(1), [WORD_REG(dx)+4*4]) // 0,1,2,3 + AS2( mov ebx, [WORD_REG(dx)+5*4]) // 4,5,6,7 + AS2( mov ecx, [WORD_REG(dx)+6*4]) // 8,9,10,11 + AS2( mov edx, [WORD_REG(dx)+7*4]) // 12,13,14,15 + + // load table into cache + AS2( xor WORD_REG(ax), WORD_REG(ax)) + ASL(9) + AS2( mov esi, [AS_REG_7+WORD_REG(ax)]) + AS2( add WORD_REG(ax), WORD_REG(di)) + AS2( mov esi, [AS_REG_7+WORD_REG(ax)]) + AS2( add WORD_REG(ax), WORD_REG(di)) + AS2( mov esi, [AS_REG_7+WORD_REG(ax)]) + AS2( add WORD_REG(ax), WORD_REG(di)) + AS2( mov esi, [AS_REG_7+WORD_REG(ax)]) + AS2( add WORD_REG(ax), WORD_REG(di)) + AS2( cmp WORD_REG(ax), 2048) + ASJ( jl, 9, b) + AS1( lfence) + + AS2( test DWORD PTR [L_LENGTH], 1) + ASJ( jz, 8, f) + + // counter mode one-time setup + AS2( mov WORD_REG(si), [L_INBLOCKS]) + AS2( movdqu xmm2, [WORD_REG(si)]) // counter + AS2( pxor xmm2, xmm1) + AS2( psrldq xmm1, 14) + AS2( movd eax, xmm1) + AS2( mov al, BYTE PTR [WORD_REG(si)+15]) + AS2( MOVD MM(2), eax) +#if CRYPTOPP_BOOL_X86 + AS2( mov eax, 1) + AS2( movd mm3, eax) +#endif + + // partial first round, in: xmm2(15,14,13,12;11,10,9,8;7,6,5,4;3,2,1,0), out: mm1, ebx, ecx, edx + AS2( movd eax, xmm2) + AS2( psrldq xmm2, 4) + AS2( movd edi, xmm2) + AS2( psrldq xmm2, 4) + MXOR( 1, al, 0) // 0 + XOR( edx, ah, 1) // 1 + AS2( shr eax, 16) + XOR( ecx, al, 2) // 2 + XOR( ebx, ah, 3) // 3 + AS2( mov eax, edi) + AS2( movd edi, xmm2) + AS2( psrldq xmm2, 4) + XOR( ebx, al, 0) // 4 + MXOR( 1, ah, 1) // 5 + AS2( shr eax, 16) + XOR( edx, al, 2) // 6 + XOR( ecx, ah, 3) // 7 + AS2( mov eax, edi) + AS2( movd edi, xmm2) + XOR( ecx, al, 0) // 8 + XOR( ebx, ah, 1) // 9 + AS2( shr eax, 16) + MXOR( 1, al, 2) // 10 + XOR( edx, ah, 3) // 11 + AS2( mov eax, edi) + XOR( edx, al, 0) // 12 + XOR( ecx, ah, 1) // 13 + AS2( shr eax, 16) + XOR( ebx, al, 2) // 14 + AS2( psrldq xmm2, 3) + + // partial second round, in: ebx(4,5,6,7), ecx(8,9,10,11), edx(12,13,14,15), out: eax, ebx, edi, mm0 + AS2( mov eax, [L_KEY12+0*4]) + AS2( mov edi, [L_KEY12+2*4]) + AS2( MOVD MM(0), [L_KEY12+3*4]) + MXOR( 0, cl, 3) /* 11 */ + XOR( edi, bl, 3) /* 7 */ + MXOR( 0, bh, 2) /* 6 */ + AS2( shr ebx, 16) /* 4,5 */ + XOR( eax, bl, 1) /* 5 */ + MOV( ebx, bh, 0) /* 4 */ + AS2( xor ebx, [L_KEY12+1*4]) + XOR( eax, ch, 2) /* 10 */ + AS2( shr ecx, 16) /* 8,9 */ + XOR( eax, dl, 3) /* 15 */ + XOR( ebx, dh, 2) /* 14 */ + AS2( shr edx, 16) /* 12,13 */ + XOR( edi, ch, 0) /* 8 */ + XOR( ebx, cl, 1) /* 9 */ + XOR( edi, dl, 1) /* 13 */ + MXOR( 0, dh, 0) /* 12 */ + + AS2( movd ecx, xmm2) + AS2( MOVD edx, MM(1)) + AS2( MOVD [L_SAVED_X+3*4], MM(0)) + AS2( mov [L_SAVED_X+0*4], eax) + AS2( mov [L_SAVED_X+1*4], ebx) + AS2( mov [L_SAVED_X+2*4], edi) + ASJ( jmp, 5, f) + + ASL(3) + // non-counter mode per-block setup + AS2( MOVD MM(1), [L_KEY12+0*4]) // 0,1,2,3 + AS2( mov ebx, [L_KEY12+1*4]) // 4,5,6,7 + AS2( mov ecx, [L_KEY12+2*4]) // 8,9,10,11 + AS2( mov edx, [L_KEY12+3*4]) // 12,13,14,15 + ASL(8) + AS2( mov WORD_REG(ax), [L_INBLOCKS]) + AS2( movdqu xmm2, [WORD_REG(ax)]) + AS2( mov WORD_REG(si), [L_INXORBLOCKS]) + AS2( movdqu xmm5, [WORD_REG(si)]) + AS2( pxor xmm2, xmm1) + AS2( pxor xmm2, xmm5) + + // first round, in: xmm2(15,14,13,12;11,10,9,8;7,6,5,4;3,2,1,0), out: eax, ebx, ecx, edx + AS2( movd eax, xmm2) + AS2( psrldq xmm2, 4) + AS2( movd edi, xmm2) + AS2( psrldq xmm2, 4) + MXOR( 1, al, 0) // 0 + XOR( edx, ah, 1) // 1 + AS2( shr eax, 16) + XOR( ecx, al, 2) // 2 + XOR( ebx, ah, 3) // 3 + AS2( mov eax, edi) + AS2( movd edi, xmm2) + AS2( psrldq xmm2, 4) + XOR( ebx, al, 0) // 4 + MXOR( 1, ah, 1) // 5 + AS2( shr eax, 16) + XOR( edx, al, 2) // 6 + XOR( ecx, ah, 3) // 7 + AS2( mov eax, edi) + AS2( movd edi, xmm2) + XOR( ecx, al, 0) // 8 + XOR( ebx, ah, 1) // 9 + AS2( shr eax, 16) + MXOR( 1, al, 2) // 10 + XOR( edx, ah, 3) // 11 + AS2( mov eax, edi) + XOR( edx, al, 0) // 12 + XOR( ecx, ah, 1) // 13 + AS2( shr eax, 16) + XOR( ebx, al, 2) // 14 + MXOR( 1, ah, 3) // 15 + AS2( MOVD eax, MM(1)) + + AS2( add L_REG, [L_KEYS_BEGIN]) + AS2( add L_REG, 4*16) + ASJ( jmp, 2, f) + + ASL(1) + // counter-mode per-block setup + AS2( MOVD ecx, MM(2)) + AS2( MOVD edx, MM(1)) + AS2( mov eax, [L_SAVED_X+0*4]) + AS2( mov ebx, [L_SAVED_X+1*4]) + AS2( xor cl, ch) + AS2( and WORD_REG(cx), 255) + ASL(5) +#if CRYPTOPP_BOOL_X86 + AS2( paddb MM(2), mm3) +#else + AS2( add MM(2), 1) +#endif + // remaining part of second round, in: edx(previous round),esi(keyed counter byte) eax,ebx,[L_SAVED_X+2*4],[L_SAVED_X+3*4], out: eax,ebx,ecx,edx + AS2( xor edx, DWORD PTR [AS_REG_7+WORD_REG(cx)*8+3]) + XOR( ebx, dl, 3) + MOV( ecx, dh, 2) + AS2( shr edx, 16) + AS2( xor ecx, [L_SAVED_X+2*4]) + XOR( eax, dh, 0) + MOV( edx, dl, 1) + AS2( xor edx, [L_SAVED_X+3*4]) + + AS2( add L_REG, [L_KEYS_BEGIN]) + AS2( add L_REG, 3*16) + ASJ( jmp, 4, f) + +// in: eax(0,1,2,3), ebx(4,5,6,7), ecx(8,9,10,11), edx(12,13,14,15) +// out: eax, ebx, edi, mm0 +#define ROUND() \ + MXOR( 0, cl, 3) /* 11 */\ + AS2( mov cl, al) /* 8,9,10,3 */\ + XOR( edi, ah, 2) /* 2 */\ + AS2( shr eax, 16) /* 0,1 */\ + XOR( edi, bl, 3) /* 7 */\ + MXOR( 0, bh, 2) /* 6 */\ + AS2( shr ebx, 16) /* 4,5 */\ + MXOR( 0, al, 1) /* 1 */\ + MOV( eax, ah, 0) /* 0 */\ + XOR( eax, bl, 1) /* 5 */\ + MOV( ebx, bh, 0) /* 4 */\ + XOR( eax, ch, 2) /* 10 */\ + XOR( ebx, cl, 3) /* 3 */\ + AS2( shr ecx, 16) /* 8,9 */\ + XOR( eax, dl, 3) /* 15 */\ + XOR( ebx, dh, 2) /* 14 */\ + AS2( shr edx, 16) /* 12,13 */\ + XOR( edi, ch, 0) /* 8 */\ + XOR( ebx, cl, 1) /* 9 */\ + XOR( edi, dl, 1) /* 13 */\ + MXOR( 0, dh, 0) /* 12 */\ + + ASL(2) // 2-round loop + AS2( MOVD MM(0), [L_SUBKEYS-4*16+3*4]) + AS2( mov edi, [L_SUBKEYS-4*16+2*4]) + ROUND() + AS2( mov ecx, edi) + AS2( xor eax, [L_SUBKEYS-4*16+0*4]) + AS2( xor ebx, [L_SUBKEYS-4*16+1*4]) + AS2( MOVD edx, MM(0)) + + ASL(4) + AS2( MOVD MM(0), [L_SUBKEYS-4*16+7*4]) + AS2( mov edi, [L_SUBKEYS-4*16+6*4]) + ROUND() + AS2( mov ecx, edi) + AS2( xor eax, [L_SUBKEYS-4*16+4*4]) + AS2( xor ebx, [L_SUBKEYS-4*16+5*4]) + AS2( MOVD edx, MM(0)) + + AS2( add L_REG, 32) + AS2( test L_REG, 255) + ASJ( jnz, 2, b) + AS2( sub L_REG, 16*16) + +#define LAST(a, b, c) \ + AS2( movzx esi, a )\ + AS2( movzx edi, BYTE PTR [AS_REG_7+WORD_REG(si)*8+1] )\ + AS2( movzx esi, b )\ + AS2( xor edi, DWORD PTR [AS_REG_7+WORD_REG(si)*8+0] )\ + AS2( mov WORD PTR [L_LASTROUND+c], di )\ + + // last round + LAST(ch, dl, 2) + LAST(dh, al, 6) + AS2( shr edx, 16) + LAST(ah, bl, 10) + AS2( shr eax, 16) + LAST(bh, cl, 14) + AS2( shr ebx, 16) + LAST(dh, al, 12) + AS2( shr ecx, 16) + LAST(ah, bl, 0) + LAST(bh, cl, 4) + LAST(ch, dl, 8) + + AS2( mov WORD_REG(ax), [L_OUTXORBLOCKS]) + AS2( mov WORD_REG(bx), [L_OUTBLOCKS]) + + AS2( mov WORD_REG(cx), [L_LENGTH]) + AS2( sub WORD_REG(cx), 16) + + AS2( movdqu xmm2, [WORD_REG(ax)]) + AS2( pxor xmm2, xmm4) + +#if CRYPTOPP_BOOL_X86 + AS2( movdqa xmm0, [L_INCREMENTS]) + AS2( paddd xmm0, [L_INBLOCKS]) + AS2( movdqa [L_INBLOCKS], xmm0) +#else + AS2( movdqa xmm0, [L_INCREMENTS+16]) + AS2( paddq xmm0, [L_INBLOCKS+16]) + AS2( movdqa [L_INBLOCKS+16], xmm0) +#endif + + AS2( pxor xmm2, [L_LASTROUND]) + AS2( movdqu [WORD_REG(bx)], xmm2) + + ASJ( jle, 7, f) + AS2( mov [L_LENGTH], WORD_REG(cx)) + AS2( test WORD_REG(cx), 1) + ASJ( jnz, 1, b) +#if CRYPTOPP_BOOL_X64 + AS2( movdqa xmm0, [L_INCREMENTS]) + AS2( paddq xmm0, [L_INBLOCKS]) + AS2( movdqa [L_INBLOCKS], xmm0) +#endif + ASJ( jmp, 3, b) + + ASL(7) + // erase keys on stack + AS2( xorps xmm0, xmm0) + AS2( lea WORD_REG(ax), [L_SUBKEYS+7*16]) + AS2( movaps [WORD_REG(ax)-7*16], xmm0) + AS2( movaps [WORD_REG(ax)-6*16], xmm0) + AS2( movaps [WORD_REG(ax)-5*16], xmm0) + AS2( movaps [WORD_REG(ax)-4*16], xmm0) + AS2( movaps [WORD_REG(ax)-3*16], xmm0) + AS2( movaps [WORD_REG(ax)-2*16], xmm0) + AS2( movaps [WORD_REG(ax)-1*16], xmm0) + AS2( movaps [WORD_REG(ax)+0*16], xmm0) + AS2( movaps [WORD_REG(ax)+1*16], xmm0) + AS2( movaps [WORD_REG(ax)+2*16], xmm0) + AS2( movaps [WORD_REG(ax)+3*16], xmm0) + AS2( movaps [WORD_REG(ax)+4*16], xmm0) + AS2( movaps [WORD_REG(ax)+5*16], xmm0) + AS2( movaps [WORD_REG(ax)+6*16], xmm0) +#if CRYPTOPP_BOOL_X86 + AS2( mov esp, [L_SP]) + AS1( emms) +#endif + AS_POP_IF86(bp) + AS_POP_IF86(bx) +#if defined(_MSC_VER) && CRYPTOPP_BOOL_X86 + AS_POP_IF86(di) + AS_POP_IF86(si) + AS1(ret) +#endif +#ifdef CRYPTOPP_GENERATE_X64_MASM + pop r12 + pop rbx + pop rdi + pop rsi + ret + Rijndael_Enc_AdvancedProcessBlocks ENDP +#endif +#ifdef __GNUC__ + ".att_syntax prefix;" + : + : "c" (locals), "d" (k), "S" (Te), "D" (g_cacheLineSize) + : "memory", "cc", "%eax" + #if CRYPTOPP_BOOL_X64 + , "%rbx", "%r8", "%r9", "%r10", "%r11", "%r12" + #endif + ); +#endif +} + +#endif + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +void Rijndael_Enc_AdvancedProcessBlocks(void *locals, const word32 *k); +} +#endif + +#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 + +static inline bool AliasedWithTable(const byte *begin, const byte *end) +{ + size_t s0 = size_t(begin)%4096, s1 = size_t(end)%4096; + size_t t0 = size_t(Te)%4096, t1 = (size_t(Te)+sizeof(Te))%4096; + if (t1 > t0) + return (s0 >= t0 && s0 < t1) || (s1 > t0 && s1 <= t1); + else + return (s0 < t1 || s1 <= t1) || (s0 >= t0 || s1 > t0); +} + +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + +inline void AESNI_Enc_Block(__m128i &block, const __m128i *subkeys, unsigned int rounds) +{ + block = _mm_xor_si128(block, subkeys[0]); + for (unsigned int i=1; i<rounds-1; i+=2) + { + block = _mm_aesenc_si128(block, subkeys[i]); + block = _mm_aesenc_si128(block, subkeys[i+1]); + } + block = _mm_aesenc_si128(block, subkeys[rounds-1]); + block = _mm_aesenclast_si128(block, subkeys[rounds]); +} + +inline void AESNI_Enc_4_Blocks(__m128i &block0, __m128i &block1, __m128i &block2, __m128i &block3, const __m128i *subkeys, unsigned int rounds) +{ + __m128i rk = subkeys[0]; + block0 = _mm_xor_si128(block0, rk); + block1 = _mm_xor_si128(block1, rk); + block2 = _mm_xor_si128(block2, rk); + block3 = _mm_xor_si128(block3, rk); + for (unsigned int i=1; i<rounds; i++) + { + rk = subkeys[i]; + block0 = _mm_aesenc_si128(block0, rk); + block1 = _mm_aesenc_si128(block1, rk); + block2 = _mm_aesenc_si128(block2, rk); + block3 = _mm_aesenc_si128(block3, rk); + } + rk = subkeys[rounds]; + block0 = _mm_aesenclast_si128(block0, rk); + block1 = _mm_aesenclast_si128(block1, rk); + block2 = _mm_aesenclast_si128(block2, rk); + block3 = _mm_aesenclast_si128(block3, rk); +} + +inline void AESNI_Dec_Block(__m128i &block, const __m128i *subkeys, unsigned int rounds) +{ + block = _mm_xor_si128(block, subkeys[0]); + for (unsigned int i=1; i<rounds-1; i+=2) + { + block = _mm_aesdec_si128(block, subkeys[i]); + block = _mm_aesdec_si128(block, subkeys[i+1]); + } + block = _mm_aesdec_si128(block, subkeys[rounds-1]); + block = _mm_aesdeclast_si128(block, subkeys[rounds]); +} + +inline void AESNI_Dec_4_Blocks(__m128i &block0, __m128i &block1, __m128i &block2, __m128i &block3, const __m128i *subkeys, unsigned int rounds) +{ + __m128i rk = subkeys[0]; + block0 = _mm_xor_si128(block0, rk); + block1 = _mm_xor_si128(block1, rk); + block2 = _mm_xor_si128(block2, rk); + block3 = _mm_xor_si128(block3, rk); + for (unsigned int i=1; i<rounds; i++) + { + rk = subkeys[i]; + block0 = _mm_aesdec_si128(block0, rk); + block1 = _mm_aesdec_si128(block1, rk); + block2 = _mm_aesdec_si128(block2, rk); + block3 = _mm_aesdec_si128(block3, rk); + } + rk = subkeys[rounds]; + block0 = _mm_aesdeclast_si128(block0, rk); + block1 = _mm_aesdeclast_si128(block1, rk); + block2 = _mm_aesdeclast_si128(block2, rk); + block3 = _mm_aesdeclast_si128(block3, rk); +} + +static CRYPTOPP_ALIGN_DATA(16) const word32 s_one[] = {0, 0, 0, 1<<24}; + +template <typename F1, typename F4> +inline size_t AESNI_AdvancedProcessBlocks(F1 func1, F4 func4, const __m128i *subkeys, unsigned int rounds, const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) +{ + size_t blockSize = 16; + size_t inIncrement = (flags & (BlockTransformation::BT_InBlockIsCounter|BlockTransformation::BT_DontIncrementInOutPointers)) ? 0 : blockSize; + size_t xorIncrement = xorBlocks ? blockSize : 0; + size_t outIncrement = (flags & BlockTransformation::BT_DontIncrementInOutPointers) ? 0 : blockSize; + + if (flags & BlockTransformation::BT_ReverseDirection) + { + assert(length % blockSize == 0); + inBlocks += length - blockSize; + xorBlocks += length - blockSize; + outBlocks += length - blockSize; + inIncrement = 0-inIncrement; + xorIncrement = 0-xorIncrement; + outIncrement = 0-outIncrement; + } + + if (flags & BlockTransformation::BT_AllowParallel) + { + while (length >= 4*blockSize) + { + __m128i block0 = _mm_loadu_si128((const __m128i *)inBlocks), block1, block2, block3; + if (flags & BlockTransformation::BT_InBlockIsCounter) + { + const __m128i be1 = *(const __m128i *)s_one; + block1 = _mm_add_epi32(block0, be1); + block2 = _mm_add_epi32(block1, be1); + block3 = _mm_add_epi32(block2, be1); + _mm_storeu_si128((__m128i *)inBlocks, _mm_add_epi32(block3, be1)); + } + else + { + inBlocks += inIncrement; + block1 = _mm_loadu_si128((const __m128i *)inBlocks); + inBlocks += inIncrement; + block2 = _mm_loadu_si128((const __m128i *)inBlocks); + inBlocks += inIncrement; + block3 = _mm_loadu_si128((const __m128i *)inBlocks); + inBlocks += inIncrement; + } + + if (flags & BlockTransformation::BT_XorInput) + { + block0 = _mm_xor_si128(block0, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block1 = _mm_xor_si128(block1, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block2 = _mm_xor_si128(block2, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block3 = _mm_xor_si128(block3, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + } + + func4(block0, block1, block2, block3, subkeys, rounds); + + if (xorBlocks && !(flags & BlockTransformation::BT_XorInput)) + { + block0 = _mm_xor_si128(block0, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block1 = _mm_xor_si128(block1, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block2 = _mm_xor_si128(block2, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + block3 = _mm_xor_si128(block3, _mm_loadu_si128((const __m128i *)xorBlocks)); + xorBlocks += xorIncrement; + } + + _mm_storeu_si128((__m128i *)outBlocks, block0); + outBlocks += outIncrement; + _mm_storeu_si128((__m128i *)outBlocks, block1); + outBlocks += outIncrement; + _mm_storeu_si128((__m128i *)outBlocks, block2); + outBlocks += outIncrement; + _mm_storeu_si128((__m128i *)outBlocks, block3); + outBlocks += outIncrement; + + length -= 4*blockSize; + } + } + + while (length >= blockSize) + { + __m128i block = _mm_loadu_si128((const __m128i *)inBlocks); + + if (flags & BlockTransformation::BT_XorInput) + block = _mm_xor_si128(block, _mm_loadu_si128((const __m128i *)xorBlocks)); + + if (flags & BlockTransformation::BT_InBlockIsCounter) + const_cast<byte *>(inBlocks)[15]++; + + func1(block, subkeys, rounds); + + if (xorBlocks && !(flags & BlockTransformation::BT_XorInput)) + block = _mm_xor_si128(block, _mm_loadu_si128((const __m128i *)xorBlocks)); + + _mm_storeu_si128((__m128i *)outBlocks, block); + + inBlocks += inIncrement; + outBlocks += outIncrement; + xorBlocks += xorIncrement; + length -= blockSize; + } + + return length; +} +#endif + +size_t Rijndael::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const +{ +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + if (HasAESNI()) + return AESNI_AdvancedProcessBlocks(AESNI_Enc_Block, AESNI_Enc_4_Blocks, (const __m128i *)m_key.begin(), m_rounds, inBlocks, xorBlocks, outBlocks, length, flags); +#endif + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) + if (HasSSE2()) + { + if (length < BLOCKSIZE) + return length; + + struct Locals + { + word32 subkeys[4*12], workspace[8]; + const byte *inBlocks, *inXorBlocks, *outXorBlocks; + byte *outBlocks; + size_t inIncrement, inXorIncrement, outXorIncrement, outIncrement; + size_t regSpill, lengthAndCounterFlag, keysBegin; + }; + + size_t increment = BLOCKSIZE; + const byte* zeros = (byte *)(Te+256); + byte *space; + + do { + space = (byte *)alloca(255+sizeof(Locals)); + space += (256-(size_t)space%256)%256; + } + while (AliasedWithTable(space, space+sizeof(Locals))); + + if (flags & BT_ReverseDirection) + { + assert(length % BLOCKSIZE == 0); + inBlocks += length - BLOCKSIZE; + xorBlocks += length - BLOCKSIZE; + outBlocks += length - BLOCKSIZE; + increment = 0-increment; + } + + Locals &locals = *(Locals *)space; + + locals.inBlocks = inBlocks; + locals.inXorBlocks = (flags & BT_XorInput) && xorBlocks ? xorBlocks : zeros; + locals.outXorBlocks = (flags & BT_XorInput) || !xorBlocks ? zeros : xorBlocks; + locals.outBlocks = outBlocks; + + locals.inIncrement = (flags & BT_DontIncrementInOutPointers) ? 0 : increment; + locals.inXorIncrement = (flags & BT_XorInput) && xorBlocks ? increment : 0; + locals.outXorIncrement = (flags & BT_XorInput) || !xorBlocks ? 0 : increment; + locals.outIncrement = (flags & BT_DontIncrementInOutPointers) ? 0 : increment; + + locals.lengthAndCounterFlag = length - (length%16) - bool(flags & BT_InBlockIsCounter); + int keysToCopy = m_rounds - (flags & BT_InBlockIsCounter ? 3 : 2); + locals.keysBegin = (12-keysToCopy)*16; + + Rijndael_Enc_AdvancedProcessBlocks(&locals, m_key); + return length % BLOCKSIZE; + } +#endif + + return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags); +} + +#endif + +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + +size_t Rijndael::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const +{ + if (HasAESNI()) + return AESNI_AdvancedProcessBlocks(AESNI_Dec_Block, AESNI_Dec_4_Blocks, (const __m128i *)m_key.begin(), m_rounds, inBlocks, xorBlocks, outBlocks, length, flags); + + return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags); +} + +#endif // #if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + +NAMESPACE_END + +#endif +#endif diff --git a/CryptoPP/rijndael.h b/CryptoPP/rijndael.h new file mode 100644 index 000000000..64c784b07 --- /dev/null +++ b/CryptoPP/rijndael.h @@ -0,0 +1,68 @@ +#ifndef CRYPTOPP_RIJNDAEL_H +#define CRYPTOPP_RIJNDAEL_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8> +{ + CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return CRYPTOPP_RIJNDAEL_NAME;} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a> +class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + static void FillEncTable(); + static void FillDecTable(); + + // VS2005 workaround: have to put these on seperate lines, or error C2487 is triggered in DLL build + static const byte Se[256]; + static const byte Sd[256]; + + static const word32 rcon[]; + + unsigned int m_rounds; + FixedSizeAlignedSecBlock<word32, 4*15> m_key; + }; + + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; +#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 + size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const; +#endif + }; + + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; +#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE + size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const; +#endif + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef Rijndael::Encryption RijndaelEncryption; +typedef Rijndael::Decryption RijndaelDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ripemd.cpp b/CryptoPP/ripemd.cpp new file mode 100644 index 000000000..3476aa8b5 --- /dev/null +++ b/CryptoPP/ripemd.cpp @@ -0,0 +1,803 @@ +// ripemd.cpp +// RIPEMD-160 written and placed in the public domain by Wei Dai +// RIPEMD-320, RIPEMD-128, RIPEMD-256 written by Kevin Springle +// and also placed in the public domain + +#include "pch.h" +#include "ripemd.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +#define F(x, y, z) (x ^ y ^ z) +#define G(x, y, z) (z ^ (x & (y^z))) +#define H(x, y, z) (z ^ (x | ~y)) +#define I(x, y, z) (y ^ (z & (x^y))) +#define J(x, y, z) (x ^ (y | ~z)) + +#define k0 0 +#define k1 0x5a827999UL +#define k2 0x6ed9eba1UL +#define k3 0x8f1bbcdcUL +#define k4 0xa953fd4eUL +#define k5 0x50a28be6UL +#define k6 0x5c4dd124UL +#define k7 0x6d703ef3UL +#define k8 0x7a6d76e9UL +#define k9 0 + +// ************************************************************* + +// for 160 and 320 +#define Subround(f, a, b, c, d, e, x, s, k) \ + a += f(b, c, d) + x + k;\ + a = rotlFixed((word32)a, s) + e;\ + c = rotlFixed((word32)c, 10U) + +void RIPEMD160::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; + state[4] = 0xc3d2e1f0L; +} + +void RIPEMD160::Transform (word32 *digest, const word32 *X) +{ + unsigned long a1, b1, c1, d1, e1, a2, b2, c2, d2, e2; + a1 = a2 = digest[0]; + b1 = b2 = digest[1]; + c1 = c2 = digest[2]; + d1 = d2 = digest[3]; + e1 = e2 = digest[4]; + + Subround(F, a1, b1, c1, d1, e1, X[ 0], 11, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 1], 14, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 2], 15, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 3], 12, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 4], 5, k0); + Subround(F, a1, b1, c1, d1, e1, X[ 5], 8, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 6], 7, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 7], 9, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 8], 11, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 9], 13, k0); + Subround(F, a1, b1, c1, d1, e1, X[10], 14, k0); + Subround(F, e1, a1, b1, c1, d1, X[11], 15, k0); + Subround(F, d1, e1, a1, b1, c1, X[12], 6, k0); + Subround(F, c1, d1, e1, a1, b1, X[13], 7, k0); + Subround(F, b1, c1, d1, e1, a1, X[14], 9, k0); + Subround(F, a1, b1, c1, d1, e1, X[15], 8, k0); + + Subround(G, e1, a1, b1, c1, d1, X[ 7], 7, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 4], 6, k1); + Subround(G, c1, d1, e1, a1, b1, X[13], 8, k1); + Subround(G, b1, c1, d1, e1, a1, X[ 1], 13, k1); + Subround(G, a1, b1, c1, d1, e1, X[10], 11, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 6], 9, k1); + Subround(G, d1, e1, a1, b1, c1, X[15], 7, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 3], 15, k1); + Subround(G, b1, c1, d1, e1, a1, X[12], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[ 0], 12, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 9], 15, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 5], 9, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 2], 11, k1); + Subround(G, b1, c1, d1, e1, a1, X[14], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[11], 13, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 8], 12, k1); + + Subround(H, d1, e1, a1, b1, c1, X[ 3], 11, k2); + Subround(H, c1, d1, e1, a1, b1, X[10], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[14], 6, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 4], 7, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 9], 14, k2); + Subround(H, d1, e1, a1, b1, c1, X[15], 9, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 8], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[ 1], 15, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 2], 14, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 7], 8, k2); + Subround(H, d1, e1, a1, b1, c1, X[ 0], 13, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 6], 6, k2); + Subround(H, b1, c1, d1, e1, a1, X[13], 5, k2); + Subround(H, a1, b1, c1, d1, e1, X[11], 12, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 5], 7, k2); + Subround(H, d1, e1, a1, b1, c1, X[12], 5, k2); + + Subround(I, c1, d1, e1, a1, b1, X[ 1], 11, k3); + Subround(I, b1, c1, d1, e1, a1, X[ 9], 12, k3); + Subround(I, a1, b1, c1, d1, e1, X[11], 14, k3); + Subround(I, e1, a1, b1, c1, d1, X[10], 15, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 0], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 8], 15, k3); + Subround(I, b1, c1, d1, e1, a1, X[12], 9, k3); + Subround(I, a1, b1, c1, d1, e1, X[ 4], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[13], 9, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 3], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 7], 5, k3); + Subround(I, b1, c1, d1, e1, a1, X[15], 6, k3); + Subround(I, a1, b1, c1, d1, e1, X[14], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[ 5], 6, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 6], 5, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 2], 12, k3); + + Subround(J, b1, c1, d1, e1, a1, X[ 4], 9, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 0], 15, k4); + Subround(J, e1, a1, b1, c1, d1, X[ 5], 5, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 9], 11, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 7], 6, k4); + Subround(J, b1, c1, d1, e1, a1, X[12], 8, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 2], 13, k4); + Subround(J, e1, a1, b1, c1, d1, X[10], 12, k4); + Subround(J, d1, e1, a1, b1, c1, X[14], 5, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 1], 12, k4); + Subround(J, b1, c1, d1, e1, a1, X[ 3], 13, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 8], 14, k4); + Subround(J, e1, a1, b1, c1, d1, X[11], 11, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 6], 8, k4); + Subround(J, c1, d1, e1, a1, b1, X[15], 5, k4); + Subround(J, b1, c1, d1, e1, a1, X[13], 6, k4); + + Subround(J, a2, b2, c2, d2, e2, X[ 5], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[14], 9, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 7], 9, k5); + Subround(J, c2, d2, e2, a2, b2, X[ 0], 11, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 9], 13, k5); + Subround(J, a2, b2, c2, d2, e2, X[ 2], 15, k5); + Subround(J, e2, a2, b2, c2, d2, X[11], 15, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 4], 5, k5); + Subround(J, c2, d2, e2, a2, b2, X[13], 7, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 6], 7, k5); + Subround(J, a2, b2, c2, d2, e2, X[15], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[ 8], 11, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 1], 14, k5); + Subround(J, c2, d2, e2, a2, b2, X[10], 14, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 3], 12, k5); + Subround(J, a2, b2, c2, d2, e2, X[12], 6, k5); + + Subround(I, e2, a2, b2, c2, d2, X[ 6], 9, k6); + Subround(I, d2, e2, a2, b2, c2, X[11], 13, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 3], 15, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 7], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 0], 12, k6); + Subround(I, e2, a2, b2, c2, d2, X[13], 8, k6); + Subround(I, d2, e2, a2, b2, c2, X[ 5], 9, k6); + Subround(I, c2, d2, e2, a2, b2, X[10], 11, k6); + Subround(I, b2, c2, d2, e2, a2, X[14], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[15], 7, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 8], 12, k6); + Subround(I, d2, e2, a2, b2, c2, X[12], 7, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 4], 6, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 9], 15, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 1], 13, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 2], 11, k6); + + Subround(H, d2, e2, a2, b2, c2, X[15], 9, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 5], 7, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 1], 15, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 3], 11, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 7], 8, k7); + Subround(H, d2, e2, a2, b2, c2, X[14], 6, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 6], 6, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 9], 14, k7); + Subround(H, a2, b2, c2, d2, e2, X[11], 12, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 8], 13, k7); + Subround(H, d2, e2, a2, b2, c2, X[12], 5, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 2], 14, k7); + Subround(H, b2, c2, d2, e2, a2, X[10], 13, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 0], 13, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 4], 7, k7); + Subround(H, d2, e2, a2, b2, c2, X[13], 5, k7); + + Subround(G, c2, d2, e2, a2, b2, X[ 8], 15, k8); + Subround(G, b2, c2, d2, e2, a2, X[ 6], 5, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 4], 8, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 1], 11, k8); + Subround(G, d2, e2, a2, b2, c2, X[ 3], 14, k8); + Subround(G, c2, d2, e2, a2, b2, X[11], 14, k8); + Subround(G, b2, c2, d2, e2, a2, X[15], 6, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 0], 14, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 5], 6, k8); + Subround(G, d2, e2, a2, b2, c2, X[12], 9, k8); + Subround(G, c2, d2, e2, a2, b2, X[ 2], 12, k8); + Subround(G, b2, c2, d2, e2, a2, X[13], 9, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 9], 12, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 7], 5, k8); + Subround(G, d2, e2, a2, b2, c2, X[10], 15, k8); + Subround(G, c2, d2, e2, a2, b2, X[14], 8, k8); + + Subround(F, b2, c2, d2, e2, a2, X[12], 8, k9); + Subround(F, a2, b2, c2, d2, e2, X[15], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[10], 12, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 4], 9, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 1], 12, k9); + Subround(F, b2, c2, d2, e2, a2, X[ 5], 5, k9); + Subround(F, a2, b2, c2, d2, e2, X[ 8], 14, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 7], 6, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 6], 8, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 2], 13, k9); + Subround(F, b2, c2, d2, e2, a2, X[13], 6, k9); + Subround(F, a2, b2, c2, d2, e2, X[14], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 0], 15, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 3], 13, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 9], 11, k9); + Subround(F, b2, c2, d2, e2, a2, X[11], 11, k9); + + c1 = digest[1] + c1 + d2; + digest[1] = digest[2] + d1 + e2; + digest[2] = digest[3] + e1 + a2; + digest[3] = digest[4] + a1 + b2; + digest[4] = digest[0] + b1 + c2; + digest[0] = c1; +} + +// ************************************************************* + +void RIPEMD320::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; + state[4] = 0xc3d2e1f0L; + state[5] = 0x76543210L; + state[6] = 0xfedcba98L; + state[7] = 0x89abcdefL; + state[8] = 0x01234567L; + state[9] = 0x3c2d1e0fL; +} + +void RIPEMD320::Transform (word32 *digest, const word32 *X) +{ + unsigned long a1, b1, c1, d1, e1, a2, b2, c2, d2, e2, t; + a1 = digest[0]; + b1 = digest[1]; + c1 = digest[2]; + d1 = digest[3]; + e1 = digest[4]; + a2 = digest[5]; + b2 = digest[6]; + c2 = digest[7]; + d2 = digest[8]; + e2 = digest[9]; + + Subround(F, a1, b1, c1, d1, e1, X[ 0], 11, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 1], 14, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 2], 15, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 3], 12, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 4], 5, k0); + Subround(F, a1, b1, c1, d1, e1, X[ 5], 8, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 6], 7, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 7], 9, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 8], 11, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 9], 13, k0); + Subround(F, a1, b1, c1, d1, e1, X[10], 14, k0); + Subround(F, e1, a1, b1, c1, d1, X[11], 15, k0); + Subround(F, d1, e1, a1, b1, c1, X[12], 6, k0); + Subround(F, c1, d1, e1, a1, b1, X[13], 7, k0); + Subround(F, b1, c1, d1, e1, a1, X[14], 9, k0); + Subround(F, a1, b1, c1, d1, e1, X[15], 8, k0); + + Subround(J, a2, b2, c2, d2, e2, X[ 5], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[14], 9, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 7], 9, k5); + Subround(J, c2, d2, e2, a2, b2, X[ 0], 11, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 9], 13, k5); + Subround(J, a2, b2, c2, d2, e2, X[ 2], 15, k5); + Subround(J, e2, a2, b2, c2, d2, X[11], 15, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 4], 5, k5); + Subround(J, c2, d2, e2, a2, b2, X[13], 7, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 6], 7, k5); + Subround(J, a2, b2, c2, d2, e2, X[15], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[ 8], 11, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 1], 14, k5); + Subround(J, c2, d2, e2, a2, b2, X[10], 14, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 3], 12, k5); + Subround(J, a2, b2, c2, d2, e2, X[12], 6, k5); + + t = a1; a1 = a2; a2 = t; + + Subround(G, e1, a1, b1, c1, d1, X[ 7], 7, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 4], 6, k1); + Subround(G, c1, d1, e1, a1, b1, X[13], 8, k1); + Subround(G, b1, c1, d1, e1, a1, X[ 1], 13, k1); + Subround(G, a1, b1, c1, d1, e1, X[10], 11, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 6], 9, k1); + Subround(G, d1, e1, a1, b1, c1, X[15], 7, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 3], 15, k1); + Subround(G, b1, c1, d1, e1, a1, X[12], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[ 0], 12, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 9], 15, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 5], 9, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 2], 11, k1); + Subround(G, b1, c1, d1, e1, a1, X[14], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[11], 13, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 8], 12, k1); + + Subround(I, e2, a2, b2, c2, d2, X[ 6], 9, k6); + Subround(I, d2, e2, a2, b2, c2, X[11], 13, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 3], 15, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 7], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 0], 12, k6); + Subround(I, e2, a2, b2, c2, d2, X[13], 8, k6); + Subround(I, d2, e2, a2, b2, c2, X[ 5], 9, k6); + Subround(I, c2, d2, e2, a2, b2, X[10], 11, k6); + Subround(I, b2, c2, d2, e2, a2, X[14], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[15], 7, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 8], 12, k6); + Subround(I, d2, e2, a2, b2, c2, X[12], 7, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 4], 6, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 9], 15, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 1], 13, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 2], 11, k6); + + t = b1; b1 = b2; b2 = t; + + Subround(H, d1, e1, a1, b1, c1, X[ 3], 11, k2); + Subround(H, c1, d1, e1, a1, b1, X[10], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[14], 6, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 4], 7, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 9], 14, k2); + Subround(H, d1, e1, a1, b1, c1, X[15], 9, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 8], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[ 1], 15, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 2], 14, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 7], 8, k2); + Subround(H, d1, e1, a1, b1, c1, X[ 0], 13, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 6], 6, k2); + Subround(H, b1, c1, d1, e1, a1, X[13], 5, k2); + Subround(H, a1, b1, c1, d1, e1, X[11], 12, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 5], 7, k2); + Subround(H, d1, e1, a1, b1, c1, X[12], 5, k2); + + Subround(H, d2, e2, a2, b2, c2, X[15], 9, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 5], 7, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 1], 15, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 3], 11, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 7], 8, k7); + Subround(H, d2, e2, a2, b2, c2, X[14], 6, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 6], 6, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 9], 14, k7); + Subround(H, a2, b2, c2, d2, e2, X[11], 12, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 8], 13, k7); + Subround(H, d2, e2, a2, b2, c2, X[12], 5, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 2], 14, k7); + Subround(H, b2, c2, d2, e2, a2, X[10], 13, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 0], 13, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 4], 7, k7); + Subround(H, d2, e2, a2, b2, c2, X[13], 5, k7); + + t = c1; c1 = c2; c2 = t; + + Subround(I, c1, d1, e1, a1, b1, X[ 1], 11, k3); + Subround(I, b1, c1, d1, e1, a1, X[ 9], 12, k3); + Subround(I, a1, b1, c1, d1, e1, X[11], 14, k3); + Subround(I, e1, a1, b1, c1, d1, X[10], 15, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 0], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 8], 15, k3); + Subround(I, b1, c1, d1, e1, a1, X[12], 9, k3); + Subround(I, a1, b1, c1, d1, e1, X[ 4], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[13], 9, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 3], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 7], 5, k3); + Subround(I, b1, c1, d1, e1, a1, X[15], 6, k3); + Subround(I, a1, b1, c1, d1, e1, X[14], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[ 5], 6, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 6], 5, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 2], 12, k3); + + Subround(G, c2, d2, e2, a2, b2, X[ 8], 15, k8); + Subround(G, b2, c2, d2, e2, a2, X[ 6], 5, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 4], 8, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 1], 11, k8); + Subround(G, d2, e2, a2, b2, c2, X[ 3], 14, k8); + Subround(G, c2, d2, e2, a2, b2, X[11], 14, k8); + Subround(G, b2, c2, d2, e2, a2, X[15], 6, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 0], 14, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 5], 6, k8); + Subround(G, d2, e2, a2, b2, c2, X[12], 9, k8); + Subround(G, c2, d2, e2, a2, b2, X[ 2], 12, k8); + Subround(G, b2, c2, d2, e2, a2, X[13], 9, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 9], 12, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 7], 5, k8); + Subround(G, d2, e2, a2, b2, c2, X[10], 15, k8); + Subround(G, c2, d2, e2, a2, b2, X[14], 8, k8); + + t = d1; d1 = d2; d2 = t; + + Subround(J, b1, c1, d1, e1, a1, X[ 4], 9, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 0], 15, k4); + Subround(J, e1, a1, b1, c1, d1, X[ 5], 5, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 9], 11, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 7], 6, k4); + Subround(J, b1, c1, d1, e1, a1, X[12], 8, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 2], 13, k4); + Subround(J, e1, a1, b1, c1, d1, X[10], 12, k4); + Subround(J, d1, e1, a1, b1, c1, X[14], 5, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 1], 12, k4); + Subround(J, b1, c1, d1, e1, a1, X[ 3], 13, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 8], 14, k4); + Subround(J, e1, a1, b1, c1, d1, X[11], 11, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 6], 8, k4); + Subround(J, c1, d1, e1, a1, b1, X[15], 5, k4); + Subround(J, b1, c1, d1, e1, a1, X[13], 6, k4); + + Subround(F, b2, c2, d2, e2, a2, X[12], 8, k9); + Subround(F, a2, b2, c2, d2, e2, X[15], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[10], 12, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 4], 9, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 1], 12, k9); + Subround(F, b2, c2, d2, e2, a2, X[ 5], 5, k9); + Subround(F, a2, b2, c2, d2, e2, X[ 8], 14, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 7], 6, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 6], 8, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 2], 13, k9); + Subround(F, b2, c2, d2, e2, a2, X[13], 6, k9); + Subround(F, a2, b2, c2, d2, e2, X[14], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 0], 15, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 3], 13, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 9], 11, k9); + Subround(F, b2, c2, d2, e2, a2, X[11], 11, k9); + + t = e1; e1 = e2; e2 = t; + + digest[0] += a1; + digest[1] += b1; + digest[2] += c1; + digest[3] += d1; + digest[4] += e1; + digest[5] += a2; + digest[6] += b2; + digest[7] += c2; + digest[8] += d2; + digest[9] += e2; +} + +#undef Subround + +// ************************************************************* + +// for 128 and 256 +#define Subround(f, a, b, c, d, x, s, k) \ + a += f(b, c, d) + x + k;\ + a = rotlFixed((word32)a, s); + +void RIPEMD128::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; +} + +void RIPEMD128::Transform (word32 *digest, const word32 *X) +{ + unsigned long a1, b1, c1, d1, a2, b2, c2, d2; + a1 = a2 = digest[0]; + b1 = b2 = digest[1]; + c1 = c2 = digest[2]; + d1 = d2 = digest[3]; + + Subround(F, a1, b1, c1, d1, X[ 0], 11, k0); + Subround(F, d1, a1, b1, c1, X[ 1], 14, k0); + Subround(F, c1, d1, a1, b1, X[ 2], 15, k0); + Subround(F, b1, c1, d1, a1, X[ 3], 12, k0); + Subround(F, a1, b1, c1, d1, X[ 4], 5, k0); + Subround(F, d1, a1, b1, c1, X[ 5], 8, k0); + Subround(F, c1, d1, a1, b1, X[ 6], 7, k0); + Subround(F, b1, c1, d1, a1, X[ 7], 9, k0); + Subround(F, a1, b1, c1, d1, X[ 8], 11, k0); + Subround(F, d1, a1, b1, c1, X[ 9], 13, k0); + Subround(F, c1, d1, a1, b1, X[10], 14, k0); + Subround(F, b1, c1, d1, a1, X[11], 15, k0); + Subround(F, a1, b1, c1, d1, X[12], 6, k0); + Subround(F, d1, a1, b1, c1, X[13], 7, k0); + Subround(F, c1, d1, a1, b1, X[14], 9, k0); + Subround(F, b1, c1, d1, a1, X[15], 8, k0); + + Subround(G, a1, b1, c1, d1, X[ 7], 7, k1); + Subround(G, d1, a1, b1, c1, X[ 4], 6, k1); + Subround(G, c1, d1, a1, b1, X[13], 8, k1); + Subround(G, b1, c1, d1, a1, X[ 1], 13, k1); + Subround(G, a1, b1, c1, d1, X[10], 11, k1); + Subround(G, d1, a1, b1, c1, X[ 6], 9, k1); + Subround(G, c1, d1, a1, b1, X[15], 7, k1); + Subround(G, b1, c1, d1, a1, X[ 3], 15, k1); + Subround(G, a1, b1, c1, d1, X[12], 7, k1); + Subround(G, d1, a1, b1, c1, X[ 0], 12, k1); + Subround(G, c1, d1, a1, b1, X[ 9], 15, k1); + Subround(G, b1, c1, d1, a1, X[ 5], 9, k1); + Subround(G, a1, b1, c1, d1, X[ 2], 11, k1); + Subround(G, d1, a1, b1, c1, X[14], 7, k1); + Subround(G, c1, d1, a1, b1, X[11], 13, k1); + Subround(G, b1, c1, d1, a1, X[ 8], 12, k1); + + Subround(H, a1, b1, c1, d1, X[ 3], 11, k2); + Subround(H, d1, a1, b1, c1, X[10], 13, k2); + Subround(H, c1, d1, a1, b1, X[14], 6, k2); + Subround(H, b1, c1, d1, a1, X[ 4], 7, k2); + Subround(H, a1, b1, c1, d1, X[ 9], 14, k2); + Subround(H, d1, a1, b1, c1, X[15], 9, k2); + Subround(H, c1, d1, a1, b1, X[ 8], 13, k2); + Subround(H, b1, c1, d1, a1, X[ 1], 15, k2); + Subround(H, a1, b1, c1, d1, X[ 2], 14, k2); + Subround(H, d1, a1, b1, c1, X[ 7], 8, k2); + Subround(H, c1, d1, a1, b1, X[ 0], 13, k2); + Subround(H, b1, c1, d1, a1, X[ 6], 6, k2); + Subround(H, a1, b1, c1, d1, X[13], 5, k2); + Subround(H, d1, a1, b1, c1, X[11], 12, k2); + Subround(H, c1, d1, a1, b1, X[ 5], 7, k2); + Subround(H, b1, c1, d1, a1, X[12], 5, k2); + + Subround(I, a1, b1, c1, d1, X[ 1], 11, k3); + Subround(I, d1, a1, b1, c1, X[ 9], 12, k3); + Subround(I, c1, d1, a1, b1, X[11], 14, k3); + Subround(I, b1, c1, d1, a1, X[10], 15, k3); + Subround(I, a1, b1, c1, d1, X[ 0], 14, k3); + Subround(I, d1, a1, b1, c1, X[ 8], 15, k3); + Subround(I, c1, d1, a1, b1, X[12], 9, k3); + Subround(I, b1, c1, d1, a1, X[ 4], 8, k3); + Subround(I, a1, b1, c1, d1, X[13], 9, k3); + Subround(I, d1, a1, b1, c1, X[ 3], 14, k3); + Subround(I, c1, d1, a1, b1, X[ 7], 5, k3); + Subround(I, b1, c1, d1, a1, X[15], 6, k3); + Subround(I, a1, b1, c1, d1, X[14], 8, k3); + Subround(I, d1, a1, b1, c1, X[ 5], 6, k3); + Subround(I, c1, d1, a1, b1, X[ 6], 5, k3); + Subround(I, b1, c1, d1, a1, X[ 2], 12, k3); + + Subround(I, a2, b2, c2, d2, X[ 5], 8, k5); + Subround(I, d2, a2, b2, c2, X[14], 9, k5); + Subround(I, c2, d2, a2, b2, X[ 7], 9, k5); + Subround(I, b2, c2, d2, a2, X[ 0], 11, k5); + Subround(I, a2, b2, c2, d2, X[ 9], 13, k5); + Subround(I, d2, a2, b2, c2, X[ 2], 15, k5); + Subround(I, c2, d2, a2, b2, X[11], 15, k5); + Subround(I, b2, c2, d2, a2, X[ 4], 5, k5); + Subround(I, a2, b2, c2, d2, X[13], 7, k5); + Subround(I, d2, a2, b2, c2, X[ 6], 7, k5); + Subround(I, c2, d2, a2, b2, X[15], 8, k5); + Subround(I, b2, c2, d2, a2, X[ 8], 11, k5); + Subround(I, a2, b2, c2, d2, X[ 1], 14, k5); + Subround(I, d2, a2, b2, c2, X[10], 14, k5); + Subround(I, c2, d2, a2, b2, X[ 3], 12, k5); + Subround(I, b2, c2, d2, a2, X[12], 6, k5); + + Subround(H, a2, b2, c2, d2, X[ 6], 9, k6); + Subround(H, d2, a2, b2, c2, X[11], 13, k6); + Subround(H, c2, d2, a2, b2, X[ 3], 15, k6); + Subround(H, b2, c2, d2, a2, X[ 7], 7, k6); + Subround(H, a2, b2, c2, d2, X[ 0], 12, k6); + Subround(H, d2, a2, b2, c2, X[13], 8, k6); + Subround(H, c2, d2, a2, b2, X[ 5], 9, k6); + Subround(H, b2, c2, d2, a2, X[10], 11, k6); + Subround(H, a2, b2, c2, d2, X[14], 7, k6); + Subround(H, d2, a2, b2, c2, X[15], 7, k6); + Subround(H, c2, d2, a2, b2, X[ 8], 12, k6); + Subround(H, b2, c2, d2, a2, X[12], 7, k6); + Subround(H, a2, b2, c2, d2, X[ 4], 6, k6); + Subround(H, d2, a2, b2, c2, X[ 9], 15, k6); + Subround(H, c2, d2, a2, b2, X[ 1], 13, k6); + Subround(H, b2, c2, d2, a2, X[ 2], 11, k6); + + Subround(G, a2, b2, c2, d2, X[15], 9, k7); + Subround(G, d2, a2, b2, c2, X[ 5], 7, k7); + Subround(G, c2, d2, a2, b2, X[ 1], 15, k7); + Subround(G, b2, c2, d2, a2, X[ 3], 11, k7); + Subround(G, a2, b2, c2, d2, X[ 7], 8, k7); + Subround(G, d2, a2, b2, c2, X[14], 6, k7); + Subround(G, c2, d2, a2, b2, X[ 6], 6, k7); + Subround(G, b2, c2, d2, a2, X[ 9], 14, k7); + Subround(G, a2, b2, c2, d2, X[11], 12, k7); + Subround(G, d2, a2, b2, c2, X[ 8], 13, k7); + Subround(G, c2, d2, a2, b2, X[12], 5, k7); + Subround(G, b2, c2, d2, a2, X[ 2], 14, k7); + Subround(G, a2, b2, c2, d2, X[10], 13, k7); + Subround(G, d2, a2, b2, c2, X[ 0], 13, k7); + Subround(G, c2, d2, a2, b2, X[ 4], 7, k7); + Subround(G, b2, c2, d2, a2, X[13], 5, k7); + + Subround(F, a2, b2, c2, d2, X[ 8], 15, k9); + Subround(F, d2, a2, b2, c2, X[ 6], 5, k9); + Subround(F, c2, d2, a2, b2, X[ 4], 8, k9); + Subround(F, b2, c2, d2, a2, X[ 1], 11, k9); + Subround(F, a2, b2, c2, d2, X[ 3], 14, k9); + Subround(F, d2, a2, b2, c2, X[11], 14, k9); + Subround(F, c2, d2, a2, b2, X[15], 6, k9); + Subround(F, b2, c2, d2, a2, X[ 0], 14, k9); + Subround(F, a2, b2, c2, d2, X[ 5], 6, k9); + Subround(F, d2, a2, b2, c2, X[12], 9, k9); + Subround(F, c2, d2, a2, b2, X[ 2], 12, k9); + Subround(F, b2, c2, d2, a2, X[13], 9, k9); + Subround(F, a2, b2, c2, d2, X[ 9], 12, k9); + Subround(F, d2, a2, b2, c2, X[ 7], 5, k9); + Subround(F, c2, d2, a2, b2, X[10], 15, k9); + Subround(F, b2, c2, d2, a2, X[14], 8, k9); + + c1 = digest[1] + c1 + d2; + digest[1] = digest[2] + d1 + a2; + digest[2] = digest[3] + a1 + b2; + digest[3] = digest[0] + b1 + c2; + digest[0] = c1; +} + +// ************************************************************* + +void RIPEMD256::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xefcdab89L; + state[2] = 0x98badcfeL; + state[3] = 0x10325476L; + state[4] = 0x76543210L; + state[5] = 0xfedcba98L; + state[6] = 0x89abcdefL; + state[7] = 0x01234567L; +} + +void RIPEMD256::Transform (word32 *digest, const word32 *X) +{ + unsigned long a1, b1, c1, d1, a2, b2, c2, d2, t; + a1 = digest[0]; + b1 = digest[1]; + c1 = digest[2]; + d1 = digest[3]; + a2 = digest[4]; + b2 = digest[5]; + c2 = digest[6]; + d2 = digest[7]; + + Subround(F, a1, b1, c1, d1, X[ 0], 11, k0); + Subround(F, d1, a1, b1, c1, X[ 1], 14, k0); + Subround(F, c1, d1, a1, b1, X[ 2], 15, k0); + Subround(F, b1, c1, d1, a1, X[ 3], 12, k0); + Subround(F, a1, b1, c1, d1, X[ 4], 5, k0); + Subround(F, d1, a1, b1, c1, X[ 5], 8, k0); + Subround(F, c1, d1, a1, b1, X[ 6], 7, k0); + Subround(F, b1, c1, d1, a1, X[ 7], 9, k0); + Subround(F, a1, b1, c1, d1, X[ 8], 11, k0); + Subround(F, d1, a1, b1, c1, X[ 9], 13, k0); + Subround(F, c1, d1, a1, b1, X[10], 14, k0); + Subround(F, b1, c1, d1, a1, X[11], 15, k0); + Subround(F, a1, b1, c1, d1, X[12], 6, k0); + Subround(F, d1, a1, b1, c1, X[13], 7, k0); + Subround(F, c1, d1, a1, b1, X[14], 9, k0); + Subround(F, b1, c1, d1, a1, X[15], 8, k0); + + Subround(I, a2, b2, c2, d2, X[ 5], 8, k5); + Subround(I, d2, a2, b2, c2, X[14], 9, k5); + Subround(I, c2, d2, a2, b2, X[ 7], 9, k5); + Subround(I, b2, c2, d2, a2, X[ 0], 11, k5); + Subround(I, a2, b2, c2, d2, X[ 9], 13, k5); + Subround(I, d2, a2, b2, c2, X[ 2], 15, k5); + Subround(I, c2, d2, a2, b2, X[11], 15, k5); + Subround(I, b2, c2, d2, a2, X[ 4], 5, k5); + Subround(I, a2, b2, c2, d2, X[13], 7, k5); + Subround(I, d2, a2, b2, c2, X[ 6], 7, k5); + Subround(I, c2, d2, a2, b2, X[15], 8, k5); + Subround(I, b2, c2, d2, a2, X[ 8], 11, k5); + Subround(I, a2, b2, c2, d2, X[ 1], 14, k5); + Subround(I, d2, a2, b2, c2, X[10], 14, k5); + Subround(I, c2, d2, a2, b2, X[ 3], 12, k5); + Subround(I, b2, c2, d2, a2, X[12], 6, k5); + + t = a1; a1 = a2; a2 = t; + + Subround(G, a1, b1, c1, d1, X[ 7], 7, k1); + Subround(G, d1, a1, b1, c1, X[ 4], 6, k1); + Subround(G, c1, d1, a1, b1, X[13], 8, k1); + Subround(G, b1, c1, d1, a1, X[ 1], 13, k1); + Subround(G, a1, b1, c1, d1, X[10], 11, k1); + Subround(G, d1, a1, b1, c1, X[ 6], 9, k1); + Subround(G, c1, d1, a1, b1, X[15], 7, k1); + Subround(G, b1, c1, d1, a1, X[ 3], 15, k1); + Subround(G, a1, b1, c1, d1, X[12], 7, k1); + Subround(G, d1, a1, b1, c1, X[ 0], 12, k1); + Subround(G, c1, d1, a1, b1, X[ 9], 15, k1); + Subround(G, b1, c1, d1, a1, X[ 5], 9, k1); + Subround(G, a1, b1, c1, d1, X[ 2], 11, k1); + Subround(G, d1, a1, b1, c1, X[14], 7, k1); + Subround(G, c1, d1, a1, b1, X[11], 13, k1); + Subround(G, b1, c1, d1, a1, X[ 8], 12, k1); + + Subround(H, a2, b2, c2, d2, X[ 6], 9, k6); + Subround(H, d2, a2, b2, c2, X[11], 13, k6); + Subround(H, c2, d2, a2, b2, X[ 3], 15, k6); + Subround(H, b2, c2, d2, a2, X[ 7], 7, k6); + Subround(H, a2, b2, c2, d2, X[ 0], 12, k6); + Subround(H, d2, a2, b2, c2, X[13], 8, k6); + Subround(H, c2, d2, a2, b2, X[ 5], 9, k6); + Subround(H, b2, c2, d2, a2, X[10], 11, k6); + Subround(H, a2, b2, c2, d2, X[14], 7, k6); + Subround(H, d2, a2, b2, c2, X[15], 7, k6); + Subround(H, c2, d2, a2, b2, X[ 8], 12, k6); + Subround(H, b2, c2, d2, a2, X[12], 7, k6); + Subround(H, a2, b2, c2, d2, X[ 4], 6, k6); + Subround(H, d2, a2, b2, c2, X[ 9], 15, k6); + Subround(H, c2, d2, a2, b2, X[ 1], 13, k6); + Subround(H, b2, c2, d2, a2, X[ 2], 11, k6); + + t = b1; b1 = b2; b2 = t; + + Subround(H, a1, b1, c1, d1, X[ 3], 11, k2); + Subround(H, d1, a1, b1, c1, X[10], 13, k2); + Subround(H, c1, d1, a1, b1, X[14], 6, k2); + Subround(H, b1, c1, d1, a1, X[ 4], 7, k2); + Subround(H, a1, b1, c1, d1, X[ 9], 14, k2); + Subround(H, d1, a1, b1, c1, X[15], 9, k2); + Subround(H, c1, d1, a1, b1, X[ 8], 13, k2); + Subround(H, b1, c1, d1, a1, X[ 1], 15, k2); + Subround(H, a1, b1, c1, d1, X[ 2], 14, k2); + Subround(H, d1, a1, b1, c1, X[ 7], 8, k2); + Subround(H, c1, d1, a1, b1, X[ 0], 13, k2); + Subround(H, b1, c1, d1, a1, X[ 6], 6, k2); + Subround(H, a1, b1, c1, d1, X[13], 5, k2); + Subround(H, d1, a1, b1, c1, X[11], 12, k2); + Subround(H, c1, d1, a1, b1, X[ 5], 7, k2); + Subround(H, b1, c1, d1, a1, X[12], 5, k2); + + Subround(G, a2, b2, c2, d2, X[15], 9, k7); + Subround(G, d2, a2, b2, c2, X[ 5], 7, k7); + Subround(G, c2, d2, a2, b2, X[ 1], 15, k7); + Subround(G, b2, c2, d2, a2, X[ 3], 11, k7); + Subround(G, a2, b2, c2, d2, X[ 7], 8, k7); + Subround(G, d2, a2, b2, c2, X[14], 6, k7); + Subround(G, c2, d2, a2, b2, X[ 6], 6, k7); + Subround(G, b2, c2, d2, a2, X[ 9], 14, k7); + Subround(G, a2, b2, c2, d2, X[11], 12, k7); + Subround(G, d2, a2, b2, c2, X[ 8], 13, k7); + Subround(G, c2, d2, a2, b2, X[12], 5, k7); + Subround(G, b2, c2, d2, a2, X[ 2], 14, k7); + Subround(G, a2, b2, c2, d2, X[10], 13, k7); + Subround(G, d2, a2, b2, c2, X[ 0], 13, k7); + Subround(G, c2, d2, a2, b2, X[ 4], 7, k7); + Subround(G, b2, c2, d2, a2, X[13], 5, k7); + + t = c1; c1 = c2; c2 = t; + + Subround(I, a1, b1, c1, d1, X[ 1], 11, k3); + Subround(I, d1, a1, b1, c1, X[ 9], 12, k3); + Subround(I, c1, d1, a1, b1, X[11], 14, k3); + Subround(I, b1, c1, d1, a1, X[10], 15, k3); + Subround(I, a1, b1, c1, d1, X[ 0], 14, k3); + Subround(I, d1, a1, b1, c1, X[ 8], 15, k3); + Subround(I, c1, d1, a1, b1, X[12], 9, k3); + Subround(I, b1, c1, d1, a1, X[ 4], 8, k3); + Subround(I, a1, b1, c1, d1, X[13], 9, k3); + Subround(I, d1, a1, b1, c1, X[ 3], 14, k3); + Subround(I, c1, d1, a1, b1, X[ 7], 5, k3); + Subround(I, b1, c1, d1, a1, X[15], 6, k3); + Subround(I, a1, b1, c1, d1, X[14], 8, k3); + Subround(I, d1, a1, b1, c1, X[ 5], 6, k3); + Subround(I, c1, d1, a1, b1, X[ 6], 5, k3); + Subround(I, b1, c1, d1, a1, X[ 2], 12, k3); + + Subround(F, a2, b2, c2, d2, X[ 8], 15, k9); + Subround(F, d2, a2, b2, c2, X[ 6], 5, k9); + Subround(F, c2, d2, a2, b2, X[ 4], 8, k9); + Subround(F, b2, c2, d2, a2, X[ 1], 11, k9); + Subround(F, a2, b2, c2, d2, X[ 3], 14, k9); + Subround(F, d2, a2, b2, c2, X[11], 14, k9); + Subround(F, c2, d2, a2, b2, X[15], 6, k9); + Subround(F, b2, c2, d2, a2, X[ 0], 14, k9); + Subround(F, a2, b2, c2, d2, X[ 5], 6, k9); + Subround(F, d2, a2, b2, c2, X[12], 9, k9); + Subround(F, c2, d2, a2, b2, X[ 2], 12, k9); + Subround(F, b2, c2, d2, a2, X[13], 9, k9); + Subround(F, a2, b2, c2, d2, X[ 9], 12, k9); + Subround(F, d2, a2, b2, c2, X[ 7], 5, k9); + Subround(F, c2, d2, a2, b2, X[10], 15, k9); + Subround(F, b2, c2, d2, a2, X[14], 8, k9); + + t = d1; d1 = d2; d2 = t; + + digest[0] += a1; + digest[1] += b1; + digest[2] += c1; + digest[3] += d1; + digest[4] += a2; + digest[5] += b2; + digest[6] += c2; + digest[7] += d2; +} + +NAMESPACE_END diff --git a/CryptoPP/ripemd.h b/CryptoPP/ripemd.h new file mode 100644 index 000000000..56871a917 --- /dev/null +++ b/CryptoPP/ripemd.h @@ -0,0 +1,49 @@ +#ifndef CRYPTOPP_RIPEMD_H +#define CRYPTOPP_RIPEMD_H + +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! <a href="http://www.weidai.com/scan-mirror/md.html#RIPEMD-160">RIPEMD-160</a> +/*! Digest Length = 160 bits */ +class RIPEMD160 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 20, RIPEMD160> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char * StaticAlgorithmName() {return "RIPEMD-160";} +}; + +/*! Digest Length = 320 bits, Security is similar to RIPEMD-160 */ +class RIPEMD320 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 40, RIPEMD320> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char * StaticAlgorithmName() {return "RIPEMD-320";} +}; + +/*! \warning RIPEMD-128 is considered insecure, and should not be used + unless you absolutely need it for compatibility. */ +class RIPEMD128 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, RIPEMD128> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char * StaticAlgorithmName() {return "RIPEMD-128";} +}; + +/*! \warning RIPEMD-256 is considered insecure, and should not be used + unless you absolutely need it for compatibility. */ +class RIPEMD256 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 32, RIPEMD256> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word32 *digest, const word32 *data); + static const char * StaticAlgorithmName() {return "RIPEMD-256";} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rng.cpp b/CryptoPP/rng.cpp new file mode 100644 index 000000000..9866cd831 --- /dev/null +++ b/CryptoPP/rng.cpp @@ -0,0 +1,155 @@ +// rng.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#include "rng.h" +#include "fips140.h" + +#include <time.h> +#include <math.h> + +NAMESPACE_BEGIN(CryptoPP) + +// linear congruential generator +// originally by William S. England + +// do not use for cryptographic purposes + +/* +** Original_numbers are the original published m and q in the +** ACM article above. John Burton has furnished numbers for +** a reportedly better generator. The new numbers are now +** used in this program by default. +*/ + +#ifndef LCRNG_ORIGINAL_NUMBERS +const word32 LC_RNG::m=2147483647L; +const word32 LC_RNG::q=44488L; + +const word16 LC_RNG::a=(unsigned int)48271L; +const word16 LC_RNG::r=3399; +#else +const word32 LC_RNG::m=2147483647L; +const word32 LC_RNG::q=127773L; + +const word16 LC_RNG::a=16807; +const word16 LC_RNG::r=2836; +#endif + +void LC_RNG::GenerateBlock(byte *output, size_t size) +{ + while (size--) + { + word32 hi = seed/q; + word32 lo = seed%q; + + long test = a*lo - r*hi; + + if (test > 0) + seed = test; + else + seed = test+ m; + + *output++ = (GETBYTE(seed, 0) ^ GETBYTE(seed, 1) ^ GETBYTE(seed, 2) ^ GETBYTE(seed, 3)); + } +} + +// ******************************************************** + +#ifndef CRYPTOPP_IMPORTS + +X917RNG::X917RNG(BlockTransformation *c, const byte *seed, const byte *deterministicTimeVector) + : cipher(c), + S(cipher->BlockSize()), + dtbuf(S), + randseed(seed, S), + m_lastBlock(S), + m_deterministicTimeVector(deterministicTimeVector, deterministicTimeVector ? S : 0) +{ + if (!deterministicTimeVector) + { + time_t tstamp1 = time(0); + xorbuf(dtbuf, (byte *)&tstamp1, UnsignedMin(sizeof(tstamp1), S)); + cipher->ProcessBlock(dtbuf); + clock_t tstamp2 = clock(); + xorbuf(dtbuf, (byte *)&tstamp2, UnsignedMin(sizeof(tstamp2), S)); + cipher->ProcessBlock(dtbuf); + } + + // for FIPS 140-2 + GenerateBlock(m_lastBlock, S); +} + +void X917RNG::GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size) +{ + while (size > 0) + { + // calculate new enciphered timestamp + if (m_deterministicTimeVector.size()) + { + cipher->ProcessBlock(m_deterministicTimeVector, dtbuf); + IncrementCounterByOne(m_deterministicTimeVector, S); + } + else + { + clock_t c = clock(); + xorbuf(dtbuf, (byte *)&c, UnsignedMin(sizeof(c), S)); + time_t t = time(NULL); + xorbuf(dtbuf+S-UnsignedMin(sizeof(t), S), (byte *)&t, UnsignedMin(sizeof(t), S)); + cipher->ProcessBlock(dtbuf); + } + + // combine enciphered timestamp with seed + xorbuf(randseed, dtbuf, S); + + // generate a new block of random bytes + cipher->ProcessBlock(randseed); + if (memcmp(m_lastBlock, randseed, S) == 0) + throw SelfTestFailure("X917RNG: Continuous random number generator test failed."); + + // output random bytes + size_t len = UnsignedMin(S, size); + target.ChannelPut(channel, randseed, len); + size -= len; + + // compute new seed vector + memcpy(m_lastBlock, randseed, S); + xorbuf(randseed, dtbuf, S); + cipher->ProcessBlock(randseed); + } +} + +#endif + +MaurerRandomnessTest::MaurerRandomnessTest() + : sum(0.0), n(0) +{ + for (unsigned i=0; i<V; i++) + tab[i] = 0; +} + +size_t MaurerRandomnessTest::Put2(const byte *inString, size_t length, int messageEnd, bool blocking) +{ + while (length--) + { + byte inByte = *inString++; + if (n >= Q) + sum += log(double(n - tab[inByte])); + tab[inByte] = n; + n++; + } + return 0; +} + +double MaurerRandomnessTest::GetTestValue() const +{ + if (BytesNeeded() > 0) + throw Exception(Exception::OTHER_ERROR, "MaurerRandomnessTest: " + IntToString(BytesNeeded()) + " more bytes of input needed"); + + double fTu = (sum/(n-Q))/log(2.0); // this is the test value defined by Maurer + + double value = fTu * 0.1392; // arbitrarily normalize it to + return value > 1.0 ? 1.0 : value; // a number between 0 and 1 +} + +NAMESPACE_END diff --git a/CryptoPP/rng.h b/CryptoPP/rng.h new file mode 100644 index 000000000..2439dee69 --- /dev/null +++ b/CryptoPP/rng.h @@ -0,0 +1,77 @@ +// rng.h - misc RNG related classes, see also osrng.h, randpool.h + +#ifndef CRYPTOPP_RNG_H +#define CRYPTOPP_RNG_H + +#include "cryptlib.h" +#include "filters.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! linear congruential generator +/*! originally by William S. England, do not use for cryptographic purposes */ +class LC_RNG : public RandomNumberGenerator +{ +public: + LC_RNG(word32 init_seed) + : seed(init_seed) {} + + void GenerateBlock(byte *output, size_t size); + + word32 GetSeed() {return seed;} + +private: + word32 seed; + + static const word32 m; + static const word32 q; + static const word16 a; + static const word16 r; +}; + +//! RNG derived from ANSI X9.17 Appendix C + +class CRYPTOPP_DLL X917RNG : public RandomNumberGenerator, public NotCopyable +{ +public: + // cipher will be deleted by destructor, deterministicTimeVector = 0 means obtain time vector from system + X917RNG(BlockTransformation *cipher, const byte *seed, const byte *deterministicTimeVector = 0); + + void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size); + +private: + member_ptr<BlockTransformation> cipher; + unsigned int S; // blocksize of cipher + SecByteBlock dtbuf; // buffer for enciphered timestamp + SecByteBlock randseed, m_lastBlock, m_deterministicTimeVector; +}; + +/** This class implements Maurer's Universal Statistical Test for Random Bit Generators + it is intended for measuring the randomness of *PHYSICAL* RNGs. + For more details see his paper in Journal of Cryptology, 1992. */ + +class MaurerRandomnessTest : public Bufferless<Sink> +{ +public: + MaurerRandomnessTest(); + + size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking); + + // BytesNeeded() returns how many more bytes of input is needed by the test + // GetTestValue() should not be called before BytesNeeded()==0 + unsigned int BytesNeeded() const {return n >= (Q+K) ? 0 : Q+K-n;} + + // returns a number between 0.0 and 1.0, describing the quality of the + // random numbers entered + double GetTestValue() const; + +private: + enum {L=8, V=256, Q=2000, K=2000}; + double sum; + unsigned int n; + unsigned int tab[V]; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rsa.cpp b/CryptoPP/rsa.cpp new file mode 100644 index 000000000..59449c40e --- /dev/null +++ b/CryptoPP/rsa.cpp @@ -0,0 +1,304 @@ +// rsa.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "rsa.h" +#include "asn.h" +#include "oids.h" +#include "modarith.h" +#include "nbtheory.h" +#include "sha.h" +#include "algparam.h" +#include "fips140.h" + +#if !defined(NDEBUG) && !defined(CRYPTOPP_IS_DLL) +#include "pssr.h" +NAMESPACE_BEGIN(CryptoPP) +void RSA_TestInstantiations() +{ + RSASS<PKCS1v15, SHA>::Verifier x1(1, 1); + RSASS<PKCS1v15, SHA>::Signer x2(NullRNG(), 1); + RSASS<PKCS1v15, SHA>::Verifier x3(x2); + RSASS<PKCS1v15, SHA>::Verifier x4(x2.GetKey()); + RSASS<PSS, SHA>::Verifier x5(x3); +#ifndef __MWERKS__ + RSASS<PSSR, SHA>::Signer x6 = x2; + x3 = x2; + x6 = x2; +#endif + RSAES<PKCS1v15>::Encryptor x7(x2); +#ifndef __GNUC__ + RSAES<PKCS1v15>::Encryptor x8(x3); +#endif + RSAES<OAEP<SHA> >::Encryptor x9(x2); + + x4 = x2.GetKey(); +} +NAMESPACE_END +#endif + +#ifndef CRYPTOPP_IMPORTS + +NAMESPACE_BEGIN(CryptoPP) + +OID RSAFunction::GetAlgorithmID() const +{ + return ASN1::rsaEncryption(); +} + +void RSAFunction::BERDecodePublicKey(BufferedTransformation &bt, bool, size_t) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_e.BERDecode(seq); + seq.MessageEnd(); +} + +void RSAFunction::DEREncodePublicKey(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_e.DEREncode(seq); + seq.MessageEnd(); +} + +Integer RSAFunction::ApplyFunction(const Integer &x) const +{ + DoQuickSanityCheck(); + return a_exp_b_mod_c(x, m_e, m_n); +} + +bool RSAFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_n > Integer::One() && m_n.IsOdd(); + pass = pass && m_e > Integer::One() && m_e.IsOdd() && m_e < m_n; + return pass; +} + +bool RSAFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_GET_FUNCTION_ENTRY(PublicExponent) + ; +} + +void RSAFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_SET_FUNCTION_ENTRY(PublicExponent) + ; +} + +// ***************************************************************************** + +class RSAPrimeSelector : public PrimeSelector +{ +public: + RSAPrimeSelector(const Integer &e) : m_e(e) {} + bool IsAcceptable(const Integer &candidate) const {return RelativelyPrime(m_e, candidate-Integer::One());} + Integer m_e; +}; + +void InvertibleRSAFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + int modulusSize = 2048; + alg.GetIntValue(Name::ModulusSize(), modulusSize) || alg.GetIntValue(Name::KeySize(), modulusSize); + + if (modulusSize < 16) + throw InvalidArgument("InvertibleRSAFunction: specified modulus size is too small"); + + m_e = alg.GetValueWithDefault(Name::PublicExponent(), Integer(17)); + + if (m_e < 3 || m_e.IsEven()) + throw InvalidArgument("InvertibleRSAFunction: invalid public exponent"); + + RSAPrimeSelector selector(m_e); + AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize) + (Name::PointerToPrimeSelector(), selector.GetSelectorPointer()); + m_p.GenerateRandom(rng, primeParam); + m_q.GenerateRandom(rng, primeParam); + + m_d = m_e.InverseMod(LCM(m_p-1, m_q-1)); + assert(m_d.IsPositive()); + + m_dp = m_d % (m_p-1); + m_dq = m_d % (m_q-1); + m_n = m_p * m_q; + m_u = m_q.InverseMod(m_p); + + if (FIPS_140_2_ComplianceEnabled()) + { + RSASS<PKCS1v15, SHA>::Signer signer(*this); + RSASS<PKCS1v15, SHA>::Verifier verifier(signer); + SignaturePairwiseConsistencyTest_FIPS_140_Only(signer, verifier); + + RSAES<OAEP<SHA> >::Decryptor decryptor(*this); + RSAES<OAEP<SHA> >::Encryptor encryptor(decryptor); + EncryptionPairwiseConsistencyTest_FIPS_140_Only(encryptor, decryptor); + } +} + +void InvertibleRSAFunction::Initialize(RandomNumberGenerator &rng, unsigned int keybits, const Integer &e) +{ + GenerateRandom(rng, MakeParameters(Name::ModulusSize(), (int)keybits)(Name::PublicExponent(), e+e.IsEven())); +} + +void InvertibleRSAFunction::Initialize(const Integer &n, const Integer &e, const Integer &d) +{ + if (n.IsEven() || e.IsEven() | d.IsEven()) + throw InvalidArgument("InvertibleRSAFunction: input is not a valid RSA private key"); + + m_n = n; + m_e = e; + m_d = d; + + Integer r = --(d*e); + unsigned int s = 0; + while (r.IsEven()) + { + r >>= 1; + s++; + } + + ModularArithmetic modn(n); + for (Integer i = 2; ; ++i) + { + Integer a = modn.Exponentiate(i, r); + if (a == 1) + continue; + Integer b; + unsigned int j = 0; + while (a != n-1) + { + b = modn.Square(a); + if (b == 1) + { + m_p = GCD(a-1, n); + m_q = n/m_p; + m_dp = m_d % (m_p-1); + m_dq = m_d % (m_q-1); + m_u = m_q.InverseMod(m_p); + return; + } + if (++j == s) + throw InvalidArgument("InvertibleRSAFunction: input is not a valid RSA private key"); + a = b; + } + } +} + +void InvertibleRSAFunction::BERDecodePrivateKey(BufferedTransformation &bt, bool, size_t) +{ + BERSequenceDecoder privateKey(bt); + word32 version; + BERDecodeUnsigned<word32>(privateKey, version, INTEGER, 0, 0); // check version + m_n.BERDecode(privateKey); + m_e.BERDecode(privateKey); + m_d.BERDecode(privateKey); + m_p.BERDecode(privateKey); + m_q.BERDecode(privateKey); + m_dp.BERDecode(privateKey); + m_dq.BERDecode(privateKey); + m_u.BERDecode(privateKey); + privateKey.MessageEnd(); +} + +void InvertibleRSAFunction::DEREncodePrivateKey(BufferedTransformation &bt) const +{ + DERSequenceEncoder privateKey(bt); + DEREncodeUnsigned<word32>(privateKey, 0); // version + m_n.DEREncode(privateKey); + m_e.DEREncode(privateKey); + m_d.DEREncode(privateKey); + m_p.DEREncode(privateKey); + m_q.DEREncode(privateKey); + m_dp.DEREncode(privateKey); + m_dq.DEREncode(privateKey); + m_u.DEREncode(privateKey); + privateKey.MessageEnd(); +} + +Integer InvertibleRSAFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const +{ + DoQuickSanityCheck(); + ModularArithmetic modn(m_n); + Integer r, rInv; + do { // do this in a loop for people using small numbers for testing + r.Randomize(rng, Integer::One(), m_n - Integer::One()); + rInv = modn.MultiplicativeInverse(r); + } while (rInv.IsZero()); + Integer re = modn.Exponentiate(r, m_e); + re = modn.Multiply(re, x); // blind + // here we follow the notation of PKCS #1 and let u=q inverse mod p + // but in ModRoot, u=p inverse mod q, so we reverse the order of p and q + Integer y = ModularRoot(re, m_dq, m_dp, m_q, m_p, m_u); + y = modn.Multiply(y, rInv); // unblind + if (modn.Exponentiate(y, m_e) != x) // check + throw Exception(Exception::OTHER_ERROR, "InvertibleRSAFunction: computational error during private key operation"); + return y; +} + +bool InvertibleRSAFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = RSAFunction::Validate(rng, level); + pass = pass && m_p > Integer::One() && m_p.IsOdd() && m_p < m_n; + pass = pass && m_q > Integer::One() && m_q.IsOdd() && m_q < m_n; + pass = pass && m_d > Integer::One() && m_d.IsOdd() && m_d < m_n; + pass = pass && m_dp > Integer::One() && m_dp.IsOdd() && m_dp < m_p; + pass = pass && m_dq > Integer::One() && m_dq.IsOdd() && m_dq < m_q; + pass = pass && m_u.IsPositive() && m_u < m_p; + if (level >= 1) + { + pass = pass && m_p * m_q == m_n; + pass = pass && m_e*m_d % LCM(m_p-1, m_q-1) == 1; + pass = pass && m_dp == m_d%(m_p-1) && m_dq == m_d%(m_q-1); + pass = pass && m_u * m_q % m_p == 1; + } + if (level >= 2) + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + return pass; +} + +bool InvertibleRSAFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<RSAFunction>(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_GET_FUNCTION_ENTRY(PrivateExponent) + CRYPTOPP_GET_FUNCTION_ENTRY(ModPrime1PrivateExponent) + CRYPTOPP_GET_FUNCTION_ENTRY(ModPrime2PrivateExponent) + CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +void InvertibleRSAFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper<RSAFunction>(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_SET_FUNCTION_ENTRY(PrivateExponent) + CRYPTOPP_SET_FUNCTION_ENTRY(ModPrime1PrivateExponent) + CRYPTOPP_SET_FUNCTION_ENTRY(ModPrime2PrivateExponent) + CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +// ***************************************************************************** + +Integer RSAFunction_ISO::ApplyFunction(const Integer &x) const +{ + Integer t = RSAFunction::ApplyFunction(x); + return t % 16 == 12 ? t : m_n - t; +} + +Integer InvertibleRSAFunction_ISO::CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const +{ + Integer t = InvertibleRSAFunction::CalculateInverse(rng, x); + return STDMIN(t, m_n-t); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rsa.h b/CryptoPP/rsa.h new file mode 100644 index 000000000..6a8b18525 --- /dev/null +++ b/CryptoPP/rsa.h @@ -0,0 +1,174 @@ +#ifndef CRYPTOPP_RSA_H +#define CRYPTOPP_RSA_H + +/** \file + This file contains classes that implement the RSA + ciphers and signature schemes as defined in PKCS #1 v2.0. +*/ + +#include "pubkey.h" +#include "asn.h" +#include "pkcspad.h" +#include "oaep.h" +#include "emsa2.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL RSAFunction : public TrapdoorFunction, public X509PublicKey +{ + typedef RSAFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &e) + {m_n = n; m_e = e;} + + // X509PublicKey + OID GetAlgorithmID() const; + void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size); + void DEREncodePublicKey(BufferedTransformation &bt) const; + + // CryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // TrapdoorFunction + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return m_n;} + Integer ImageBound() const {return m_n;} + + // non-derived + const Integer & GetModulus() const {return m_n;} + const Integer & GetPublicExponent() const {return m_e;} + + void SetModulus(const Integer &n) {m_n = n;} + void SetPublicExponent(const Integer &e) {m_e = e;} + +protected: + Integer m_n, m_e; +}; + +//! _ +class CRYPTOPP_DLL InvertibleRSAFunction : public RSAFunction, public TrapdoorFunctionInverse, public PKCS8PrivateKey +{ + typedef InvertibleRSAFunction ThisClass; + +public: + void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &e = 17); + void Initialize(const Integer &n, const Integer &e, const Integer &d, const Integer &p, const Integer &q, const Integer &dp, const Integer &dq, const Integer &u) + {m_n = n; m_e = e; m_d = d; m_p = p; m_q = q; m_dp = dp; m_dq = dq; m_u = u;} + //! factor n given private exponent + void Initialize(const Integer &n, const Integer &e, const Integer &d); + + // PKCS8PrivateKey + void BERDecode(BufferedTransformation &bt) + {PKCS8PrivateKey::BERDecode(bt);} + void DEREncode(BufferedTransformation &bt) const + {PKCS8PrivateKey::DEREncode(bt);} + void Load(BufferedTransformation &bt) + {PKCS8PrivateKey::BERDecode(bt);} + void Save(BufferedTransformation &bt) const + {PKCS8PrivateKey::DEREncode(bt);} + OID GetAlgorithmID() const {return RSAFunction::GetAlgorithmID();} + void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size); + void DEREncodePrivateKey(BufferedTransformation &bt) const; + + // TrapdoorFunctionInverse + Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const; + + // GeneratableCryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + /*! parameters: (ModulusSize, PublicExponent (default 17)) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + // non-derived interface + const Integer& GetPrime1() const {return m_p;} + const Integer& GetPrime2() const {return m_q;} + const Integer& GetPrivateExponent() const {return m_d;} + const Integer& GetModPrime1PrivateExponent() const {return m_dp;} + const Integer& GetModPrime2PrivateExponent() const {return m_dq;} + const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;} + + void SetPrime1(const Integer &p) {m_p = p;} + void SetPrime2(const Integer &q) {m_q = q;} + void SetPrivateExponent(const Integer &d) {m_d = d;} + void SetModPrime1PrivateExponent(const Integer &dp) {m_dp = dp;} + void SetModPrime2PrivateExponent(const Integer &dq) {m_dq = dq;} + void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;} + +protected: + Integer m_d, m_p, m_q, m_dp, m_dq, m_u; +}; + +class CRYPTOPP_DLL RSAFunction_ISO : public RSAFunction +{ +public: + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return ++(m_n>>1);} +}; + +class CRYPTOPP_DLL InvertibleRSAFunction_ISO : public InvertibleRSAFunction +{ +public: + Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const; + Integer PreimageBound() const {return ++(m_n>>1);} +}; + +//! RSA +struct CRYPTOPP_DLL RSA +{ + static const char * CRYPTOPP_API StaticAlgorithmName() {return "RSA";} + typedef RSAFunction PublicKey; + typedef InvertibleRSAFunction PrivateKey; +}; + +//! <a href="http://www.weidai.com/scan-mirror/ca.html#RSA">RSA cryptosystem</a> +template <class STANDARD> +struct RSAES : public TF_ES<STANDARD, RSA> +{ +}; + +//! <a href="http://www.weidai.com/scan-mirror/sig.html#RSA">RSA signature scheme with appendix</a> +/*! See documentation of PKCS1v15 for a list of hash functions that can be used with it. */ +template <class STANDARD, class H> +struct RSASS : public TF_SS<STANDARD, H, RSA> +{ +}; + +struct CRYPTOPP_DLL RSA_ISO +{ + static const char * CRYPTOPP_API StaticAlgorithmName() {return "RSA-ISO";} + typedef RSAFunction_ISO PublicKey; + typedef InvertibleRSAFunction_ISO PrivateKey; +}; + +template <class H> +struct RSASS_ISO : public TF_SS<P1363_EMSA2, H, RSA_ISO> +{ +}; + +// The two RSA encryption schemes defined in PKCS #1 v2.0 +typedef RSAES<PKCS1v15>::Decryptor RSAES_PKCS1v15_Decryptor; +typedef RSAES<PKCS1v15>::Encryptor RSAES_PKCS1v15_Encryptor; + +typedef RSAES<OAEP<SHA> >::Decryptor RSAES_OAEP_SHA_Decryptor; +typedef RSAES<OAEP<SHA> >::Encryptor RSAES_OAEP_SHA_Encryptor; + +// The three RSA signature schemes defined in PKCS #1 v2.0 +typedef RSASS<PKCS1v15, SHA>::Signer RSASSA_PKCS1v15_SHA_Signer; +typedef RSASS<PKCS1v15, SHA>::Verifier RSASSA_PKCS1v15_SHA_Verifier; + +namespace Weak { +typedef RSASS<PKCS1v15, Weak1::MD2>::Signer RSASSA_PKCS1v15_MD2_Signer; +typedef RSASS<PKCS1v15, Weak1::MD2>::Verifier RSASSA_PKCS1v15_MD2_Verifier; + +typedef RSASS<PKCS1v15, Weak1::MD5>::Signer RSASSA_PKCS1v15_MD5_Signer; +typedef RSASS<PKCS1v15, Weak1::MD5>::Verifier RSASSA_PKCS1v15_MD5_Verifier; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rw.cpp b/CryptoPP/rw.cpp new file mode 100644 index 000000000..cdd9f2d22 --- /dev/null +++ b/CryptoPP/rw.cpp @@ -0,0 +1,196 @@ +// rw.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "rw.h" +#include "nbtheory.h" +#include "asn.h" + +#ifndef CRYPTOPP_IMPORTS + +NAMESPACE_BEGIN(CryptoPP) + +void RWFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + seq.MessageEnd(); +} + +void RWFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + seq.MessageEnd(); +} + +Integer RWFunction::ApplyFunction(const Integer &in) const +{ + DoQuickSanityCheck(); + + Integer out = in.Squared()%m_n; + const word r = 12; + // this code was written to handle both r = 6 and r = 12, + // but now only r = 12 is used in P1363 + const word r2 = r/2; + const word r3a = (16 + 5 - r) % 16; // n%16 could be 5 or 13 + const word r3b = (16 + 13 - r) % 16; + const word r4 = (8 + 5 - r/2) % 8; // n%8 == 5 + switch (out % 16) + { + case r: + break; + case r2: + case r2+8: + out <<= 1; + break; + case r3a: + case r3b: + out.Negate(); + out += m_n; + break; + case r4: + case r4+8: + out.Negate(); + out += m_n; + out <<= 1; + break; + default: + out = Integer::Zero(); + } + return out; +} + +bool RWFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_n > Integer::One() && m_n%8 == 5; + return pass; +} + +bool RWFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + ; +} + +void RWFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + ; +} + +// ***************************************************************************** +// private key operations: + +// generate a random private key +void InvertibleRWFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg) +{ + int modulusSize = 2048; + alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize); + + if (modulusSize < 16) + throw InvalidArgument("InvertibleRWFunction: specified modulus length is too small"); + + AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize); + m_p.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("EquivalentTo", 3)("Mod", 8))); + m_q.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("EquivalentTo", 7)("Mod", 8))); + + m_n = m_p * m_q; + m_u = m_q.InverseMod(m_p); +} + +void InvertibleRWFunction::BERDecode(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_n.BERDecode(seq); + m_p.BERDecode(seq); + m_q.BERDecode(seq); + m_u.BERDecode(seq); + seq.MessageEnd(); +} + +void InvertibleRWFunction::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_n.DEREncode(seq); + m_p.DEREncode(seq); + m_q.DEREncode(seq); + m_u.DEREncode(seq); + seq.MessageEnd(); +} + +Integer InvertibleRWFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const +{ + DoQuickSanityCheck(); + ModularArithmetic modn(m_n); + Integer r, rInv; + do { // do this in a loop for people using small numbers for testing + r.Randomize(rng, Integer::One(), m_n - Integer::One()); + rInv = modn.MultiplicativeInverse(r); + } while (rInv.IsZero()); + Integer re = modn.Square(r); + re = modn.Multiply(re, x); // blind + + Integer cp=re%m_p, cq=re%m_q; + if (Jacobi(cp, m_p) * Jacobi(cq, m_q) != 1) + { + cp = cp.IsOdd() ? (cp+m_p) >> 1 : cp >> 1; + cq = cq.IsOdd() ? (cq+m_q) >> 1 : cq >> 1; + } + + #pragma omp parallel + #pragma omp sections + { + #pragma omp section + cp = ModularSquareRoot(cp, m_p); + #pragma omp section + cq = ModularSquareRoot(cq, m_q); + } + + Integer y = CRT(cq, m_q, cp, m_p, m_u); + y = modn.Multiply(y, rInv); // unblind + y = STDMIN(y, m_n-y); + if (ApplyFunction(y) != x) // check + throw Exception(Exception::OTHER_ERROR, "InvertibleRWFunction: computational error during private key operation"); + return y; +} + +bool InvertibleRWFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = RWFunction::Validate(rng, level); + pass = pass && m_p > Integer::One() && m_p%8 == 3 && m_p < m_n; + pass = pass && m_q > Integer::One() && m_q%8 == 7 && m_q < m_n; + pass = pass && m_u.IsPositive() && m_u < m_p; + if (level >= 1) + { + pass = pass && m_p * m_q == m_n; + pass = pass && m_u * m_q % m_p == 1; + } + if (level >= 2) + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + return pass; +} + +bool InvertibleRWFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper<RWFunction>(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_GET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +void InvertibleRWFunction::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper<RWFunction>(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime1) + CRYPTOPP_SET_FUNCTION_ENTRY(Prime2) + CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1) + ; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/rw.h b/CryptoPP/rw.h new file mode 100644 index 000000000..ec8b8507b --- /dev/null +++ b/CryptoPP/rw.h @@ -0,0 +1,92 @@ +#ifndef CRYPTOPP_RW_H +#define CRYPTOPP_RW_H + +/** \file + This file contains classes that implement the + Rabin-Williams signature schemes as defined in IEEE P1363. +*/ + +#include "pubkey.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_DLL RWFunction : public TrapdoorFunction, public PublicKey +{ + typedef RWFunction ThisClass; + +public: + void Initialize(const Integer &n) + {m_n = n;} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer ApplyFunction(const Integer &x) const; + Integer PreimageBound() const {return ++(m_n>>1);} + Integer ImageBound() const {return m_n;} + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + + const Integer& GetModulus() const {return m_n;} + void SetModulus(const Integer &n) {m_n = n;} + +protected: + Integer m_n; +}; + +//! _ +class CRYPTOPP_DLL InvertibleRWFunction : public RWFunction, public TrapdoorFunctionInverse, public PrivateKey +{ + typedef InvertibleRWFunction ThisClass; + +public: + void Initialize(const Integer &n, const Integer &p, const Integer &q, const Integer &u) + {m_n = n; m_p = p; m_q = q; m_u = u;} + // generate a random private key + void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits) + {GenerateRandomWithKeySize(rng, modulusBits);} + + void BERDecode(BufferedTransformation &bt); + void DEREncode(BufferedTransformation &bt) const; + + Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const; + + // GeneratibleCryptoMaterial + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + /*! parameters: (ModulusSize) */ + void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg); + + const Integer& GetPrime1() const {return m_p;} + const Integer& GetPrime2() const {return m_q;} + const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;} + + void SetPrime1(const Integer &p) {m_p = p;} + void SetPrime2(const Integer &q) {m_q = q;} + void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;} + +protected: + Integer m_p, m_q, m_u; +}; + +//! RW +struct RW +{ + static std::string StaticAlgorithmName() {return "RW";} + typedef RWFunction PublicKey; + typedef InvertibleRWFunction PrivateKey; +}; + +//! RWSS +template <class STANDARD, class H> +struct RWSS : public TF_SS<STANDARD, H, RW> +{ +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/safer.cpp b/CryptoPP/safer.cpp new file mode 100644 index 000000000..d46ca6417 --- /dev/null +++ b/CryptoPP/safer.cpp @@ -0,0 +1,153 @@ +// safer.cpp - modified by by Wei Dai from Richard De Moliner's safer.c + +#include "pch.h" +#include "safer.h" +#include "misc.h" +#include "argnames.h" + +NAMESPACE_BEGIN(CryptoPP) + +const byte SAFER::Base::exp_tab[256] = + {1, 45, 226, 147, 190, 69, 21, 174, 120, 3, 135, 164, 184, 56, 207, 63, + 8, 103, 9, 148, 235, 38, 168, 107, 189, 24, 52, 27, 187, 191, 114, 247, + 64, 53, 72, 156, 81, 47, 59, 85, 227, 192, 159, 216, 211, 243, 141, 177, + 255, 167, 62, 220, 134, 119, 215, 166, 17, 251, 244, 186, 146, 145, 100, 131, + 241, 51, 239, 218, 44, 181, 178, 43, 136, 209, 153, 203, 140, 132, 29, 20, + 129, 151, 113, 202, 95, 163, 139, 87, 60, 130, 196, 82, 92, 28, 232, 160, + 4, 180, 133, 74, 246, 19, 84, 182, 223, 12, 26, 142, 222, 224, 57, 252, + 32, 155, 36, 78, 169, 152, 158, 171, 242, 96, 208, 108, 234, 250, 199, 217, + 0, 212, 31, 110, 67, 188, 236, 83, 137, 254, 122, 93, 73, 201, 50, 194, + 249, 154, 248, 109, 22, 219, 89, 150, 68, 233, 205, 230, 70, 66, 143, 10, + 193, 204, 185, 101, 176, 210, 198, 172, 30, 65, 98, 41, 46, 14, 116, 80, + 2, 90, 195, 37, 123, 138, 42, 91, 240, 6, 13, 71, 111, 112, 157, 126, + 16, 206, 18, 39, 213, 76, 79, 214, 121, 48, 104, 54, 117, 125, 228, 237, + 128, 106, 144, 55, 162, 94, 118, 170, 197, 127, 61, 175, 165, 229, 25, 97, + 253, 77, 124, 183, 11, 238, 173, 75, 34, 245, 231, 115, 35, 33, 200, 5, + 225, 102, 221, 179, 88, 105, 99, 86, 15, 161, 49, 149, 23, 7, 58, 40}; + +const byte SAFER::Base::log_tab[256] = + {128, 0, 176, 9, 96, 239, 185, 253, 16, 18, 159, 228, 105, 186, 173, 248, + 192, 56, 194, 101, 79, 6, 148, 252, 25, 222, 106, 27, 93, 78, 168, 130, + 112, 237, 232, 236, 114, 179, 21, 195, 255, 171, 182, 71, 68, 1, 172, 37, + 201, 250, 142, 65, 26, 33, 203, 211, 13, 110, 254, 38, 88, 218, 50, 15, + 32, 169, 157, 132, 152, 5, 156, 187, 34, 140, 99, 231, 197, 225, 115, 198, + 175, 36, 91, 135, 102, 39, 247, 87, 244, 150, 177, 183, 92, 139, 213, 84, + 121, 223, 170, 246, 62, 163, 241, 17, 202, 245, 209, 23, 123, 147, 131, 188, + 189, 82, 30, 235, 174, 204, 214, 53, 8, 200, 138, 180, 226, 205, 191, 217, + 208, 80, 89, 63, 77, 98, 52, 10, 72, 136, 181, 86, 76, 46, 107, 158, + 210, 61, 60, 3, 19, 251, 151, 81, 117, 74, 145, 113, 35, 190, 118, 42, + 95, 249, 212, 85, 11, 220, 55, 49, 22, 116, 215, 119, 167, 230, 7, 219, + 164, 47, 70, 243, 97, 69, 103, 227, 12, 162, 59, 28, 133, 24, 4, 29, + 41, 160, 143, 178, 90, 216, 166, 126, 238, 141, 83, 75, 161, 154, 193, 14, + 122, 73, 165, 44, 129, 196, 199, 54, 43, 127, 67, 149, 51, 242, 108, 104, + 109, 240, 2, 40, 206, 221, 155, 234, 94, 153, 124, 20, 134, 207, 229, 66, + 184, 64, 120, 45, 58, 233, 100, 31, 146, 144, 125, 57, 111, 224, 137, 48}; + +#define EXP(x) exp_tab[(x)] +#define LOG(x) log_tab[(x)] +#define PHT(x, y) { y += x; x += y; } +#define IPHT(x, y) { x -= y; y -= x; } + +static const unsigned int BLOCKSIZE = 8; +static const unsigned int MAX_ROUNDS = 13; + +void SAFER::Base::UncheckedSetKey(const byte *userkey_1, unsigned int length, const NameValuePairs ¶ms) +{ + bool strengthened = Strengthened(); + unsigned int nof_rounds = params.GetIntValueWithDefault(Name::Rounds(), length == 8 ? (strengthened ? 8 : 6) : 10); + + const byte *userkey_2 = length == 8 ? userkey_1 : userkey_1 + 8; + keySchedule.New(1 + BLOCKSIZE * (1 + 2 * nof_rounds)); + + unsigned int i, j; + byte *key = keySchedule; + SecByteBlock ka(BLOCKSIZE + 1), kb(BLOCKSIZE + 1); + + if (MAX_ROUNDS < nof_rounds) + nof_rounds = MAX_ROUNDS; + *key++ = (unsigned char)nof_rounds; + ka[BLOCKSIZE] = 0; + kb[BLOCKSIZE] = 0; + for (j = 0; j < BLOCKSIZE; j++) + { + ka[BLOCKSIZE] ^= ka[j] = rotlFixed(userkey_1[j], 5U); + kb[BLOCKSIZE] ^= kb[j] = *key++ = userkey_2[j]; + } + + for (i = 1; i <= nof_rounds; i++) + { + for (j = 0; j < BLOCKSIZE + 1; j++) + { + ka[j] = rotlFixed(ka[j], 6U); + kb[j] = rotlFixed(kb[j], 6U); + } + for (j = 0; j < BLOCKSIZE; j++) + if (strengthened) + *key++ = (ka[(j + 2 * i - 1) % (BLOCKSIZE + 1)] + + exp_tab[exp_tab[18 * i + j + 1]]) & 0xFF; + else + *key++ = (ka[j] + exp_tab[exp_tab[18 * i + j + 1]]) & 0xFF; + for (j = 0; j < BLOCKSIZE; j++) + if (strengthened) + *key++ = (kb[(j + 2 * i) % (BLOCKSIZE + 1)] + + exp_tab[exp_tab[18 * i + j + 10]]) & 0xFF; + else + *key++ = (kb[j] + exp_tab[exp_tab[18 * i + j + 10]]) & 0xFF; + } +} + +typedef BlockGetAndPut<byte, BigEndian> Block; + +void SAFER::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + byte a, b, c, d, e, f, g, h, t; + const byte *key = keySchedule+1; + unsigned int round = keySchedule[0]; + + Block::Get(inBlock)(a)(b)(c)(d)(e)(f)(g)(h); + while(round--) + { + a ^= key[0]; b += key[1]; c += key[2]; d ^= key[3]; + e ^= key[4]; f += key[5]; g += key[6]; h ^= key[7]; + a = EXP(a) + key[ 8]; b = LOG(b) ^ key[ 9]; + c = LOG(c) ^ key[10]; d = EXP(d) + key[11]; + e = EXP(e) + key[12]; f = LOG(f) ^ key[13]; + g = LOG(g) ^ key[14]; h = EXP(h) + key[15]; + key += 16; + PHT(a, b); PHT(c, d); PHT(e, f); PHT(g, h); + PHT(a, c); PHT(e, g); PHT(b, d); PHT(f, h); + PHT(a, e); PHT(b, f); PHT(c, g); PHT(d, h); + t = b; b = e; e = c; c = t; t = d; d = f; f = g; g = t; + } + a ^= key[0]; b += key[1]; c += key[2]; d ^= key[3]; + e ^= key[4]; f += key[5]; g += key[6]; h ^= key[7]; + Block::Put(xorBlock, outBlock)(a)(b)(c)(d)(e)(f)(g)(h); +} + +void SAFER::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + byte a, b, c, d, e, f, g, h, t; + unsigned int round = keySchedule[0]; + const byte *key = keySchedule + BLOCKSIZE * (1 + 2 * round) - 7; + + Block::Get(inBlock)(a)(b)(c)(d)(e)(f)(g)(h); + h ^= key[7]; g -= key[6]; f -= key[5]; e ^= key[4]; + d ^= key[3]; c -= key[2]; b -= key[1]; a ^= key[0]; + while (round--) + { + key -= 16; + t = e; e = b; b = c; c = t; t = f; f = d; d = g; g = t; + IPHT(a, e); IPHT(b, f); IPHT(c, g); IPHT(d, h); + IPHT(a, c); IPHT(e, g); IPHT(b, d); IPHT(f, h); + IPHT(a, b); IPHT(c, d); IPHT(e, f); IPHT(g, h); + h -= key[15]; g ^= key[14]; f ^= key[13]; e -= key[12]; + d -= key[11]; c ^= key[10]; b ^= key[9]; a -= key[8]; + h = LOG(h) ^ key[7]; g = EXP(g) - key[6]; + f = EXP(f) - key[5]; e = LOG(e) ^ key[4]; + d = LOG(d) ^ key[3]; c = EXP(c) - key[2]; + b = EXP(b) - key[1]; a = LOG(a) ^ key[0]; + } + Block::Put(xorBlock, outBlock)(a)(b)(c)(d)(e)(f)(g)(h); +} + +NAMESPACE_END diff --git a/CryptoPP/safer.h b/CryptoPP/safer.h new file mode 100644 index 000000000..f9a3c9e1f --- /dev/null +++ b/CryptoPP/safer.h @@ -0,0 +1,86 @@ +#ifndef CRYPTOPP_SAFER_H +#define CRYPTOPP_SAFER_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// base class, do not use directly +class SAFER +{ +public: + class CRYPTOPP_NO_VTABLE Base : public BlockCipher + { + public: + unsigned int OptimalDataAlignment() const {return 1;} + void UncheckedSetKey(const byte *userkey, unsigned int length, const NameValuePairs ¶ms); + + protected: + virtual bool Strengthened() const =0; + + SecByteBlock keySchedule; + static const byte exp_tab[256]; + static const byte log_tab[256]; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; +}; + +template <class BASE, class INFO, bool STR> +class CRYPTOPP_NO_VTABLE SAFER_Impl : public BlockCipherImpl<INFO, BASE> +{ +protected: + bool Strengthened() const {return STR;} +}; + +//! _ +struct SAFER_K_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 8, 16, 8>, public VariableRounds<10, 1, 13> +{ + static const char *StaticAlgorithmName() {return "SAFER-K";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SAFER-K">SAFER-K</a> +class SAFER_K : public SAFER_K_Info, public SAFER, public BlockCipherDocumentation +{ +public: + typedef BlockCipherFinal<ENCRYPTION, SAFER_Impl<Enc, SAFER_K_Info, false> > Encryption; + typedef BlockCipherFinal<DECRYPTION, SAFER_Impl<Dec, SAFER_K_Info, false> > Decryption; +}; + +//! _ +struct SAFER_SK_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 8, 16, 8>, public VariableRounds<10, 1, 13> +{ + static const char *StaticAlgorithmName() {return "SAFER-SK";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SAFER-SK">SAFER-SK</a> +class SAFER_SK : public SAFER_SK_Info, public SAFER, public BlockCipherDocumentation +{ +public: + typedef BlockCipherFinal<ENCRYPTION, SAFER_Impl<Enc, SAFER_SK_Info, true> > Encryption; + typedef BlockCipherFinal<DECRYPTION, SAFER_Impl<Dec, SAFER_SK_Info, true> > Decryption; +}; + +typedef SAFER_K::Encryption SAFER_K_Encryption; +typedef SAFER_K::Decryption SAFER_K_Decryption; + +typedef SAFER_SK::Encryption SAFER_SK_Encryption; +typedef SAFER_SK::Decryption SAFER_SK_Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/salsa.cpp b/CryptoPP/salsa.cpp new file mode 100644 index 000000000..bd216eec2 --- /dev/null +++ b/CryptoPP/salsa.cpp @@ -0,0 +1,598 @@ +// salsa.cpp - written and placed in the public domain by Wei Dai + +// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM salsa.cpp" to generate MASM code + +#include "pch.h" + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#include "salsa.h" +#include "misc.h" +#include "argnames.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Salsa20_TestInstantiations() +{ + Salsa20::Encryption x; +} + +void Salsa20_Policy::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + m_rounds = params.GetIntValueWithDefault(Name::Rounds(), 20); + + if (!(m_rounds == 8 || m_rounds == 12 || m_rounds == 20)) + throw InvalidRounds(Salsa20::StaticAlgorithmName(), m_rounds); + + // m_state is reordered for SSE2 + GetBlock<word32, LittleEndian> get1(key); + get1(m_state[13])(m_state[10])(m_state[7])(m_state[4]); + GetBlock<word32, LittleEndian> get2(key + length - 16); + get2(m_state[15])(m_state[12])(m_state[9])(m_state[6]); + + // "expand 16-byte k" or "expand 32-byte k" + m_state[0] = 0x61707865; + m_state[1] = (length == 16) ? 0x3120646e : 0x3320646e; + m_state[2] = (length == 16) ? 0x79622d36 : 0x79622d32; + m_state[3] = 0x6b206574; +} + +void Salsa20_Policy::CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length) +{ + assert(length==8); + GetBlock<word32, LittleEndian> get(IV); + get(m_state[14])(m_state[11]); + m_state[8] = m_state[5] = 0; +} + +void Salsa20_Policy::SeekToIteration(lword iterationCount) +{ + m_state[8] = (word32)iterationCount; + m_state[5] = (word32)SafeRightShift<32>(iterationCount); +} + +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 +unsigned int Salsa20_Policy::GetAlignment() const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + if (HasSSE2()) + return 16; + else +#endif + return GetAlignmentOf<word32>(); +} + +unsigned int Salsa20_Policy::GetOptimalBlockSize() const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + if (HasSSE2()) + return 4*BYTES_PER_ITERATION; + else +#endif + return BYTES_PER_ITERATION; +} +#endif + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +void Salsa20_OperateKeystream(byte *output, const byte *input, size_t iterationCount, int rounds, void *state); +} +#endif + +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code + +void Salsa20_Policy::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ +#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE + Salsa20_OperateKeystream(output, input, iterationCount, m_rounds, m_state.data()); + return; +#endif + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#ifdef CRYPTOPP_GENERATE_X64_MASM + ALIGN 8 + Salsa20_OperateKeystream PROC FRAME + mov r10, [rsp + 5*8] ; state + alloc_stack(10*16 + 32*16 + 8) + save_xmm128 xmm6, 0200h + save_xmm128 xmm7, 0210h + save_xmm128 xmm8, 0220h + save_xmm128 xmm9, 0230h + save_xmm128 xmm10, 0240h + save_xmm128 xmm11, 0250h + save_xmm128 xmm12, 0260h + save_xmm128 xmm13, 0270h + save_xmm128 xmm14, 0280h + save_xmm128 xmm15, 0290h + .endprolog + + #define REG_output rcx + #define REG_input rdx + #define REG_iterationCount r8 + #define REG_state r10 + #define REG_rounds e9d + #define REG_roundsLeft eax + #define REG_temp32 r11d + #define REG_temp r11 + #define SSE2_WORKSPACE rsp +#else + if (HasSSE2()) + { + #if CRYPTOPP_BOOL_X64 + #define REG_output %4 + #define REG_input %1 + #define REG_iterationCount %2 + #define REG_state %3 + #define REG_rounds %0 + #define REG_roundsLeft eax + #define REG_temp32 edx + #define REG_temp rdx + #define SSE2_WORKSPACE %5 + + FixedSizeAlignedSecBlock<byte, 32*16> workspace; + #else + #define REG_output edi + #define REG_input eax + #define REG_iterationCount ecx + #define REG_state esi + #define REG_rounds edx + #define REG_roundsLeft ebx + #define REG_temp32 ebp + #define REG_temp ebp + #define SSE2_WORKSPACE esp + WORD_SZ + #endif + + #ifdef __GNUC__ + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + AS_PUSH_IF86( bx) + #else + void *s = m_state.data(); + word32 r = m_rounds; + + AS2( mov REG_iterationCount, iterationCount) + AS2( mov REG_input, input) + AS2( mov REG_output, output) + AS2( mov REG_state, s) + AS2( mov REG_rounds, r) + #endif +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM + + AS_PUSH_IF86( bp) + AS2( cmp REG_iterationCount, 4) + ASJ( jl, 5, f) + +#if CRYPTOPP_BOOL_X86 + AS2( mov ebx, esp) + AS2( and esp, -16) + AS2( sub esp, 32*16) + AS1( push ebx) +#endif + +#define SSE2_EXPAND_S(i, j) \ + ASS( pshufd xmm4, xmm##i, j, j, j, j) \ + AS2( movdqa [SSE2_WORKSPACE + (i*4+j)*16 + 256], xmm4) + + AS2( movdqa xmm0, [REG_state + 0*16]) + AS2( movdqa xmm1, [REG_state + 1*16]) + AS2( movdqa xmm2, [REG_state + 2*16]) + AS2( movdqa xmm3, [REG_state + 3*16]) + SSE2_EXPAND_S(0, 0) + SSE2_EXPAND_S(0, 1) + SSE2_EXPAND_S(0, 2) + SSE2_EXPAND_S(0, 3) + SSE2_EXPAND_S(1, 0) + SSE2_EXPAND_S(1, 2) + SSE2_EXPAND_S(1, 3) + SSE2_EXPAND_S(2, 1) + SSE2_EXPAND_S(2, 2) + SSE2_EXPAND_S(2, 3) + SSE2_EXPAND_S(3, 0) + SSE2_EXPAND_S(3, 1) + SSE2_EXPAND_S(3, 2) + SSE2_EXPAND_S(3, 3) + +#define SSE2_EXPAND_S85(i) \ + AS2( mov dword ptr [SSE2_WORKSPACE + 8*16 + i*4 + 256], REG_roundsLeft) \ + AS2( mov dword ptr [SSE2_WORKSPACE + 5*16 + i*4 + 256], REG_temp32) \ + AS2( add REG_roundsLeft, 1) \ + AS2( adc REG_temp32, 0) + + ASL(1) + AS2( mov REG_roundsLeft, dword ptr [REG_state + 8*4]) + AS2( mov REG_temp32, dword ptr [REG_state + 5*4]) + SSE2_EXPAND_S85(0) + SSE2_EXPAND_S85(1) + SSE2_EXPAND_S85(2) + SSE2_EXPAND_S85(3) + AS2( mov dword ptr [REG_state + 8*4], REG_roundsLeft) + AS2( mov dword ptr [REG_state + 5*4], REG_temp32) + +#define SSE2_QUARTER_ROUND(a, b, d, i) \ + AS2( movdqa xmm4, xmm##d) \ + AS2( paddd xmm4, xmm##a) \ + AS2( movdqa xmm5, xmm4) \ + AS2( pslld xmm4, i) \ + AS2( psrld xmm5, 32-i) \ + AS2( pxor xmm##b, xmm4) \ + AS2( pxor xmm##b, xmm5) + +#define L01(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##A, [SSE2_WORKSPACE + d*16 + i*256]) /* y3 */ +#define L02(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##C, [SSE2_WORKSPACE + a*16 + i*256]) /* y0 */ +#define L03(A,B,C,D,a,b,c,d,i) AS2( paddd xmm##A, xmm##C) /* y0+y3 */ +#define L04(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##B, xmm##A) +#define L05(A,B,C,D,a,b,c,d,i) AS2( pslld xmm##A, 7) +#define L06(A,B,C,D,a,b,c,d,i) AS2( psrld xmm##B, 32-7) +#define L07(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, [SSE2_WORKSPACE + b*16 + i*256]) +#define L08(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, xmm##B) /* z1 */ +#define L09(A,B,C,D,a,b,c,d,i) AS2( movdqa [SSE2_WORKSPACE + b*16], xmm##A) +#define L10(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##B, xmm##A) +#define L11(A,B,C,D,a,b,c,d,i) AS2( paddd xmm##A, xmm##C) /* z1+y0 */ +#define L12(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##D, xmm##A) +#define L13(A,B,C,D,a,b,c,d,i) AS2( pslld xmm##A, 9) +#define L14(A,B,C,D,a,b,c,d,i) AS2( psrld xmm##D, 32-9) +#define L15(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, [SSE2_WORKSPACE + c*16 + i*256]) +#define L16(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, xmm##D) /* z2 */ +#define L17(A,B,C,D,a,b,c,d,i) AS2( movdqa [SSE2_WORKSPACE + c*16], xmm##A) +#define L18(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##D, xmm##A) +#define L19(A,B,C,D,a,b,c,d,i) AS2( paddd xmm##A, xmm##B) /* z2+z1 */ +#define L20(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##B, xmm##A) +#define L21(A,B,C,D,a,b,c,d,i) AS2( pslld xmm##A, 13) +#define L22(A,B,C,D,a,b,c,d,i) AS2( psrld xmm##B, 32-13) +#define L23(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, [SSE2_WORKSPACE + d*16 + i*256]) +#define L24(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, xmm##B) /* z3 */ +#define L25(A,B,C,D,a,b,c,d,i) AS2( movdqa [SSE2_WORKSPACE + d*16], xmm##A) +#define L26(A,B,C,D,a,b,c,d,i) AS2( paddd xmm##A, xmm##D) /* z3+z2 */ +#define L27(A,B,C,D,a,b,c,d,i) AS2( movdqa xmm##D, xmm##A) +#define L28(A,B,C,D,a,b,c,d,i) AS2( pslld xmm##A, 18) +#define L29(A,B,C,D,a,b,c,d,i) AS2( psrld xmm##D, 32-18) +#define L30(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, xmm##C) /* xor y0 */ +#define L31(A,B,C,D,a,b,c,d,i) AS2( pxor xmm##A, xmm##D) /* z0 */ +#define L32(A,B,C,D,a,b,c,d,i) AS2( movdqa [SSE2_WORKSPACE + a*16], xmm##A) + +#define SSE2_QUARTER_ROUND_X8(i, a, b, c, d, e, f, g, h) \ + L01(0,1,2,3, a,b,c,d, i) L01(4,5,6,7, e,f,g,h, i) \ + L02(0,1,2,3, a,b,c,d, i) L02(4,5,6,7, e,f,g,h, i) \ + L03(0,1,2,3, a,b,c,d, i) L03(4,5,6,7, e,f,g,h, i) \ + L04(0,1,2,3, a,b,c,d, i) L04(4,5,6,7, e,f,g,h, i) \ + L05(0,1,2,3, a,b,c,d, i) L05(4,5,6,7, e,f,g,h, i) \ + L06(0,1,2,3, a,b,c,d, i) L06(4,5,6,7, e,f,g,h, i) \ + L07(0,1,2,3, a,b,c,d, i) L07(4,5,6,7, e,f,g,h, i) \ + L08(0,1,2,3, a,b,c,d, i) L08(4,5,6,7, e,f,g,h, i) \ + L09(0,1,2,3, a,b,c,d, i) L09(4,5,6,7, e,f,g,h, i) \ + L10(0,1,2,3, a,b,c,d, i) L10(4,5,6,7, e,f,g,h, i) \ + L11(0,1,2,3, a,b,c,d, i) L11(4,5,6,7, e,f,g,h, i) \ + L12(0,1,2,3, a,b,c,d, i) L12(4,5,6,7, e,f,g,h, i) \ + L13(0,1,2,3, a,b,c,d, i) L13(4,5,6,7, e,f,g,h, i) \ + L14(0,1,2,3, a,b,c,d, i) L14(4,5,6,7, e,f,g,h, i) \ + L15(0,1,2,3, a,b,c,d, i) L15(4,5,6,7, e,f,g,h, i) \ + L16(0,1,2,3, a,b,c,d, i) L16(4,5,6,7, e,f,g,h, i) \ + L17(0,1,2,3, a,b,c,d, i) L17(4,5,6,7, e,f,g,h, i) \ + L18(0,1,2,3, a,b,c,d, i) L18(4,5,6,7, e,f,g,h, i) \ + L19(0,1,2,3, a,b,c,d, i) L19(4,5,6,7, e,f,g,h, i) \ + L20(0,1,2,3, a,b,c,d, i) L20(4,5,6,7, e,f,g,h, i) \ + L21(0,1,2,3, a,b,c,d, i) L21(4,5,6,7, e,f,g,h, i) \ + L22(0,1,2,3, a,b,c,d, i) L22(4,5,6,7, e,f,g,h, i) \ + L23(0,1,2,3, a,b,c,d, i) L23(4,5,6,7, e,f,g,h, i) \ + L24(0,1,2,3, a,b,c,d, i) L24(4,5,6,7, e,f,g,h, i) \ + L25(0,1,2,3, a,b,c,d, i) L25(4,5,6,7, e,f,g,h, i) \ + L26(0,1,2,3, a,b,c,d, i) L26(4,5,6,7, e,f,g,h, i) \ + L27(0,1,2,3, a,b,c,d, i) L27(4,5,6,7, e,f,g,h, i) \ + L28(0,1,2,3, a,b,c,d, i) L28(4,5,6,7, e,f,g,h, i) \ + L29(0,1,2,3, a,b,c,d, i) L29(4,5,6,7, e,f,g,h, i) \ + L30(0,1,2,3, a,b,c,d, i) L30(4,5,6,7, e,f,g,h, i) \ + L31(0,1,2,3, a,b,c,d, i) L31(4,5,6,7, e,f,g,h, i) \ + L32(0,1,2,3, a,b,c,d, i) L32(4,5,6,7, e,f,g,h, i) + +#define SSE2_QUARTER_ROUND_X16(i, a, b, c, d, e, f, g, h, A, B, C, D, E, F, G, H) \ + L01(0,1,2,3, a,b,c,d, i) L01(4,5,6,7, e,f,g,h, i) L01(8,9,10,11, A,B,C,D, i) L01(12,13,14,15, E,F,G,H, i) \ + L02(0,1,2,3, a,b,c,d, i) L02(4,5,6,7, e,f,g,h, i) L02(8,9,10,11, A,B,C,D, i) L02(12,13,14,15, E,F,G,H, i) \ + L03(0,1,2,3, a,b,c,d, i) L03(4,5,6,7, e,f,g,h, i) L03(8,9,10,11, A,B,C,D, i) L03(12,13,14,15, E,F,G,H, i) \ + L04(0,1,2,3, a,b,c,d, i) L04(4,5,6,7, e,f,g,h, i) L04(8,9,10,11, A,B,C,D, i) L04(12,13,14,15, E,F,G,H, i) \ + L05(0,1,2,3, a,b,c,d, i) L05(4,5,6,7, e,f,g,h, i) L05(8,9,10,11, A,B,C,D, i) L05(12,13,14,15, E,F,G,H, i) \ + L06(0,1,2,3, a,b,c,d, i) L06(4,5,6,7, e,f,g,h, i) L06(8,9,10,11, A,B,C,D, i) L06(12,13,14,15, E,F,G,H, i) \ + L07(0,1,2,3, a,b,c,d, i) L07(4,5,6,7, e,f,g,h, i) L07(8,9,10,11, A,B,C,D, i) L07(12,13,14,15, E,F,G,H, i) \ + L08(0,1,2,3, a,b,c,d, i) L08(4,5,6,7, e,f,g,h, i) L08(8,9,10,11, A,B,C,D, i) L08(12,13,14,15, E,F,G,H, i) \ + L09(0,1,2,3, a,b,c,d, i) L09(4,5,6,7, e,f,g,h, i) L09(8,9,10,11, A,B,C,D, i) L09(12,13,14,15, E,F,G,H, i) \ + L10(0,1,2,3, a,b,c,d, i) L10(4,5,6,7, e,f,g,h, i) L10(8,9,10,11, A,B,C,D, i) L10(12,13,14,15, E,F,G,H, i) \ + L11(0,1,2,3, a,b,c,d, i) L11(4,5,6,7, e,f,g,h, i) L11(8,9,10,11, A,B,C,D, i) L11(12,13,14,15, E,F,G,H, i) \ + L12(0,1,2,3, a,b,c,d, i) L12(4,5,6,7, e,f,g,h, i) L12(8,9,10,11, A,B,C,D, i) L12(12,13,14,15, E,F,G,H, i) \ + L13(0,1,2,3, a,b,c,d, i) L13(4,5,6,7, e,f,g,h, i) L13(8,9,10,11, A,B,C,D, i) L13(12,13,14,15, E,F,G,H, i) \ + L14(0,1,2,3, a,b,c,d, i) L14(4,5,6,7, e,f,g,h, i) L14(8,9,10,11, A,B,C,D, i) L14(12,13,14,15, E,F,G,H, i) \ + L15(0,1,2,3, a,b,c,d, i) L15(4,5,6,7, e,f,g,h, i) L15(8,9,10,11, A,B,C,D, i) L15(12,13,14,15, E,F,G,H, i) \ + L16(0,1,2,3, a,b,c,d, i) L16(4,5,6,7, e,f,g,h, i) L16(8,9,10,11, A,B,C,D, i) L16(12,13,14,15, E,F,G,H, i) \ + L17(0,1,2,3, a,b,c,d, i) L17(4,5,6,7, e,f,g,h, i) L17(8,9,10,11, A,B,C,D, i) L17(12,13,14,15, E,F,G,H, i) \ + L18(0,1,2,3, a,b,c,d, i) L18(4,5,6,7, e,f,g,h, i) L18(8,9,10,11, A,B,C,D, i) L18(12,13,14,15, E,F,G,H, i) \ + L19(0,1,2,3, a,b,c,d, i) L19(4,5,6,7, e,f,g,h, i) L19(8,9,10,11, A,B,C,D, i) L19(12,13,14,15, E,F,G,H, i) \ + L20(0,1,2,3, a,b,c,d, i) L20(4,5,6,7, e,f,g,h, i) L20(8,9,10,11, A,B,C,D, i) L20(12,13,14,15, E,F,G,H, i) \ + L21(0,1,2,3, a,b,c,d, i) L21(4,5,6,7, e,f,g,h, i) L21(8,9,10,11, A,B,C,D, i) L21(12,13,14,15, E,F,G,H, i) \ + L22(0,1,2,3, a,b,c,d, i) L22(4,5,6,7, e,f,g,h, i) L22(8,9,10,11, A,B,C,D, i) L22(12,13,14,15, E,F,G,H, i) \ + L23(0,1,2,3, a,b,c,d, i) L23(4,5,6,7, e,f,g,h, i) L23(8,9,10,11, A,B,C,D, i) L23(12,13,14,15, E,F,G,H, i) \ + L24(0,1,2,3, a,b,c,d, i) L24(4,5,6,7, e,f,g,h, i) L24(8,9,10,11, A,B,C,D, i) L24(12,13,14,15, E,F,G,H, i) \ + L25(0,1,2,3, a,b,c,d, i) L25(4,5,6,7, e,f,g,h, i) L25(8,9,10,11, A,B,C,D, i) L25(12,13,14,15, E,F,G,H, i) \ + L26(0,1,2,3, a,b,c,d, i) L26(4,5,6,7, e,f,g,h, i) L26(8,9,10,11, A,B,C,D, i) L26(12,13,14,15, E,F,G,H, i) \ + L27(0,1,2,3, a,b,c,d, i) L27(4,5,6,7, e,f,g,h, i) L27(8,9,10,11, A,B,C,D, i) L27(12,13,14,15, E,F,G,H, i) \ + L28(0,1,2,3, a,b,c,d, i) L28(4,5,6,7, e,f,g,h, i) L28(8,9,10,11, A,B,C,D, i) L28(12,13,14,15, E,F,G,H, i) \ + L29(0,1,2,3, a,b,c,d, i) L29(4,5,6,7, e,f,g,h, i) L29(8,9,10,11, A,B,C,D, i) L29(12,13,14,15, E,F,G,H, i) \ + L30(0,1,2,3, a,b,c,d, i) L30(4,5,6,7, e,f,g,h, i) L30(8,9,10,11, A,B,C,D, i) L30(12,13,14,15, E,F,G,H, i) \ + L31(0,1,2,3, a,b,c,d, i) L31(4,5,6,7, e,f,g,h, i) L31(8,9,10,11, A,B,C,D, i) L31(12,13,14,15, E,F,G,H, i) \ + L32(0,1,2,3, a,b,c,d, i) L32(4,5,6,7, e,f,g,h, i) L32(8,9,10,11, A,B,C,D, i) L32(12,13,14,15, E,F,G,H, i) + +#if CRYPTOPP_BOOL_X64 + SSE2_QUARTER_ROUND_X16(1, 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15) +#else + SSE2_QUARTER_ROUND_X8(1, 2, 6, 10, 14, 3, 7, 11, 15) + SSE2_QUARTER_ROUND_X8(1, 0, 4, 8, 12, 1, 5, 9, 13) +#endif + AS2( mov REG_roundsLeft, REG_rounds) + ASJ( jmp, 2, f) + + ASL(SSE2_Salsa_Output) + AS2( movdqa xmm0, xmm4) + AS2( punpckldq xmm4, xmm5) + AS2( movdqa xmm1, xmm6) + AS2( punpckldq xmm6, xmm7) + AS2( movdqa xmm2, xmm4) + AS2( punpcklqdq xmm4, xmm6) // e + AS2( punpckhqdq xmm2, xmm6) // f + AS2( punpckhdq xmm0, xmm5) + AS2( punpckhdq xmm1, xmm7) + AS2( movdqa xmm6, xmm0) + AS2( punpcklqdq xmm0, xmm1) // g + AS2( punpckhqdq xmm6, xmm1) // h + AS_XMM_OUTPUT4(SSE2_Salsa_Output_A, REG_input, REG_output, 4, 2, 0, 6, 1, 0, 4, 8, 12, 1) + AS1( ret) + + ASL(6) +#if CRYPTOPP_BOOL_X64 + SSE2_QUARTER_ROUND_X16(0, 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15) + ASL(2) + SSE2_QUARTER_ROUND_X16(0, 0, 13, 10, 7, 1, 14, 11, 4, 2, 15, 8, 5, 3, 12, 9, 6) +#else + SSE2_QUARTER_ROUND_X8(0, 2, 6, 10, 14, 3, 7, 11, 15) + SSE2_QUARTER_ROUND_X8(0, 0, 4, 8, 12, 1, 5, 9, 13) + ASL(2) + SSE2_QUARTER_ROUND_X8(0, 2, 15, 8, 5, 3, 12, 9, 6) + SSE2_QUARTER_ROUND_X8(0, 0, 13, 10, 7, 1, 14, 11, 4) +#endif + AS2( sub REG_roundsLeft, 2) + ASJ( jnz, 6, b) + +#define SSE2_OUTPUT_4(a, b, c, d) \ + AS2( movdqa xmm4, [SSE2_WORKSPACE + a*16 + 256])\ + AS2( paddd xmm4, [SSE2_WORKSPACE + a*16])\ + AS2( movdqa xmm5, [SSE2_WORKSPACE + b*16 + 256])\ + AS2( paddd xmm5, [SSE2_WORKSPACE + b*16])\ + AS2( movdqa xmm6, [SSE2_WORKSPACE + c*16 + 256])\ + AS2( paddd xmm6, [SSE2_WORKSPACE + c*16])\ + AS2( movdqa xmm7, [SSE2_WORKSPACE + d*16 + 256])\ + AS2( paddd xmm7, [SSE2_WORKSPACE + d*16])\ + ASC( call, SSE2_Salsa_Output) + + SSE2_OUTPUT_4(0, 13, 10, 7) + SSE2_OUTPUT_4(4, 1, 14, 11) + SSE2_OUTPUT_4(8, 5, 2, 15) + SSE2_OUTPUT_4(12, 9, 6, 3) + AS2( test REG_input, REG_input) + ASJ( jz, 9, f) + AS2( add REG_input, 12*16) + ASL(9) + AS2( add REG_output, 12*16) + AS2( sub REG_iterationCount, 4) + AS2( cmp REG_iterationCount, 4) + ASJ( jge, 1, b) + AS_POP_IF86( sp) + + ASL(5) + AS2( sub REG_iterationCount, 1) + ASJ( jl, 4, f) + AS2( movdqa xmm0, [REG_state + 0*16]) + AS2( movdqa xmm1, [REG_state + 1*16]) + AS2( movdqa xmm2, [REG_state + 2*16]) + AS2( movdqa xmm3, [REG_state + 3*16]) + AS2( mov REG_roundsLeft, REG_rounds) + + ASL(0) + SSE2_QUARTER_ROUND(0, 1, 3, 7) + SSE2_QUARTER_ROUND(1, 2, 0, 9) + SSE2_QUARTER_ROUND(2, 3, 1, 13) + SSE2_QUARTER_ROUND(3, 0, 2, 18) + ASS( pshufd xmm1, xmm1, 2, 1, 0, 3) + ASS( pshufd xmm2, xmm2, 1, 0, 3, 2) + ASS( pshufd xmm3, xmm3, 0, 3, 2, 1) + SSE2_QUARTER_ROUND(0, 3, 1, 7) + SSE2_QUARTER_ROUND(3, 2, 0, 9) + SSE2_QUARTER_ROUND(2, 1, 3, 13) + SSE2_QUARTER_ROUND(1, 0, 2, 18) + ASS( pshufd xmm1, xmm1, 0, 3, 2, 1) + ASS( pshufd xmm2, xmm2, 1, 0, 3, 2) + ASS( pshufd xmm3, xmm3, 2, 1, 0, 3) + AS2( sub REG_roundsLeft, 2) + ASJ( jnz, 0, b) + + AS2( paddd xmm0, [REG_state + 0*16]) + AS2( paddd xmm1, [REG_state + 1*16]) + AS2( paddd xmm2, [REG_state + 2*16]) + AS2( paddd xmm3, [REG_state + 3*16]) + + AS2( add dword ptr [REG_state + 8*4], 1) + AS2( adc dword ptr [REG_state + 5*4], 0) + + AS2( pcmpeqb xmm6, xmm6) // all ones + AS2( psrlq xmm6, 32) // lo32 mask + ASS( pshufd xmm7, xmm6, 0, 1, 2, 3) // hi32 mask + AS2( movdqa xmm4, xmm0) + AS2( movdqa xmm5, xmm3) + AS2( pand xmm0, xmm7) + AS2( pand xmm4, xmm6) + AS2( pand xmm3, xmm6) + AS2( pand xmm5, xmm7) + AS2( por xmm4, xmm5) // 0,13,2,15 + AS2( movdqa xmm5, xmm1) + AS2( pand xmm1, xmm7) + AS2( pand xmm5, xmm6) + AS2( por xmm0, xmm5) // 4,1,6,3 + AS2( pand xmm6, xmm2) + AS2( pand xmm2, xmm7) + AS2( por xmm1, xmm6) // 8,5,10,7 + AS2( por xmm2, xmm3) // 12,9,14,11 + + AS2( movdqa xmm5, xmm4) + AS2( movdqa xmm6, xmm0) + AS3( shufpd xmm4, xmm1, 2) // 0,13,10,7 + AS3( shufpd xmm0, xmm2, 2) // 4,1,14,11 + AS3( shufpd xmm1, xmm5, 2) // 8,5,2,15 + AS3( shufpd xmm2, xmm6, 2) // 12,9,6,3 + + // output keystream + AS_XMM_OUTPUT4(SSE2_Salsa_Output_B, REG_input, REG_output, 4, 0, 1, 2, 3, 0, 1, 2, 3, 4) + ASJ( jmp, 5, b) + ASL(4) + + AS_POP_IF86( bp) +#ifdef __GNUC__ + AS_POP_IF86( bx) + ".att_syntax prefix;" + : + #if CRYPTOPP_BOOL_X64 + : "r" (m_rounds), "r" (input), "r" (iterationCount), "r" (m_state.data()), "r" (output), "r" (workspace.m_ptr) + : "%eax", "%edx", "memory", "cc", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15" + #else + : "d" (m_rounds), "a" (input), "c" (iterationCount), "S" (m_state.data()), "D" (output) + : "memory", "cc" + #endif + ); +#endif +#ifdef CRYPTOPP_GENERATE_X64_MASM + movdqa xmm6, [rsp + 0200h] + movdqa xmm7, [rsp + 0210h] + movdqa xmm8, [rsp + 0220h] + movdqa xmm9, [rsp + 0230h] + movdqa xmm10, [rsp + 0240h] + movdqa xmm11, [rsp + 0250h] + movdqa xmm12, [rsp + 0260h] + movdqa xmm13, [rsp + 0270h] + movdqa xmm14, [rsp + 0280h] + movdqa xmm15, [rsp + 0290h] + add rsp, 10*16 + 32*16 + 8 + ret +Salsa20_OperateKeystream ENDP +#else + } + else +#endif +#endif +#ifndef CRYPTOPP_GENERATE_X64_MASM + { + word32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15; + + while (iterationCount--) + { + x0 = m_state[0]; x1 = m_state[1]; x2 = m_state[2]; x3 = m_state[3]; + x4 = m_state[4]; x5 = m_state[5]; x6 = m_state[6]; x7 = m_state[7]; + x8 = m_state[8]; x9 = m_state[9]; x10 = m_state[10]; x11 = m_state[11]; + x12 = m_state[12]; x13 = m_state[13]; x14 = m_state[14]; x15 = m_state[15]; + + for (int i=m_rounds; i>0; i-=2) + { + #define QUARTER_ROUND(a, b, c, d) \ + b = b ^ rotlFixed(a + d, 7); \ + c = c ^ rotlFixed(b + a, 9); \ + d = d ^ rotlFixed(c + b, 13); \ + a = a ^ rotlFixed(d + c, 18); + + QUARTER_ROUND(x0, x4, x8, x12) + QUARTER_ROUND(x1, x5, x9, x13) + QUARTER_ROUND(x2, x6, x10, x14) + QUARTER_ROUND(x3, x7, x11, x15) + + QUARTER_ROUND(x0, x13, x10, x7) + QUARTER_ROUND(x1, x14, x11, x4) + QUARTER_ROUND(x2, x15, x8, x5) + QUARTER_ROUND(x3, x12, x9, x6) + } + + #define SALSA_OUTPUT(x) {\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 0, x0 + m_state[0]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 1, x13 + m_state[13]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 2, x10 + m_state[10]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 3, x7 + m_state[7]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 4, x4 + m_state[4]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 5, x1 + m_state[1]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 6, x14 + m_state[14]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 7, x11 + m_state[11]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 8, x8 + m_state[8]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 9, x5 + m_state[5]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 10, x2 + m_state[2]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 11, x15 + m_state[15]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 12, x12 + m_state[12]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 13, x9 + m_state[9]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 14, x6 + m_state[6]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 15, x3 + m_state[3]);} + +#ifndef CRYPTOPP_DOXYGEN_PROCESSING + CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(SALSA_OUTPUT, BYTES_PER_ITERATION); +#endif + + if (++m_state[8] == 0) + ++m_state[5]; + } + } +} // see comment above if an internal compiler error occurs here + +void XSalsa20_Policy::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + m_rounds = params.GetIntValueWithDefault(Name::Rounds(), 20); + + if (!(m_rounds == 8 || m_rounds == 12 || m_rounds == 20)) + throw InvalidRounds(XSalsa20::StaticAlgorithmName(), m_rounds); + + GetUserKey(LITTLE_ENDIAN_ORDER, m_key.begin(), m_key.size(), key, length); + if (length == 16) + memcpy(m_key.begin()+4, m_key.begin(), 16); + + // "expand 32-byte k" + m_state[0] = 0x61707865; + m_state[1] = 0x3320646e; + m_state[2] = 0x79622d32; + m_state[3] = 0x6b206574; +} + +void XSalsa20_Policy::CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length) +{ + assert(length==24); + + word32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15; + + GetBlock<word32, LittleEndian> get(IV); + get(x14)(x11)(x8)(x5)(m_state[14])(m_state[11]); + + x13 = m_key[0]; x10 = m_key[1]; x7 = m_key[2]; x4 = m_key[3]; + x15 = m_key[4]; x12 = m_key[5]; x9 = m_key[6]; x6 = m_key[7]; + x0 = m_state[0]; x1 = m_state[1]; x2 = m_state[2]; x3 = m_state[3]; + + for (int i=m_rounds; i>0; i-=2) + { + QUARTER_ROUND(x0, x4, x8, x12) + QUARTER_ROUND(x1, x5, x9, x13) + QUARTER_ROUND(x2, x6, x10, x14) + QUARTER_ROUND(x3, x7, x11, x15) + + QUARTER_ROUND(x0, x13, x10, x7) + QUARTER_ROUND(x1, x14, x11, x4) + QUARTER_ROUND(x2, x15, x8, x5) + QUARTER_ROUND(x3, x12, x9, x6) + } + + m_state[13] = x0; m_state[10] = x1; m_state[7] = x2; m_state[4] = x3; + m_state[15] = x14; m_state[12] = x11; m_state[9] = x8; m_state[6] = x5; + m_state[8] = m_state[5] = 0; +} + +NAMESPACE_END + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM diff --git a/CryptoPP/salsa.h b/CryptoPP/salsa.h new file mode 100644 index 000000000..49af8854e --- /dev/null +++ b/CryptoPP/salsa.h @@ -0,0 +1,65 @@ +// salsa.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_SALSA_H +#define CRYPTOPP_SALSA_H + +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Salsa20_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::UNIQUE_IV, 8> +{ + static const char *StaticAlgorithmName() {return "Salsa20";} +}; + +class CRYPTOPP_NO_VTABLE Salsa20_Policy : public AdditiveCipherConcretePolicy<word32, 16> +{ +protected: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length); + bool CipherIsRandomAccess() const {return true;} + void SeekToIteration(lword iterationCount); +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 + unsigned int GetAlignment() const; + unsigned int GetOptimalBlockSize() const; +#endif + + FixedSizeAlignedSecBlock<word32, 16> m_state; + int m_rounds; +}; + +/// <a href="http://www.cryptolounge.org/wiki/Salsa20">Salsa20</a>, variable rounds: 8, 12 or 20 (default 20) +struct Salsa20 : public Salsa20_Info, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<Salsa20_Policy, AdditiveCipherTemplate<> >, Salsa20_Info> Encryption; + typedef Encryption Decryption; +}; + +//! _ +struct XSalsa20_Info : public FixedKeyLength<32, SimpleKeyingInterface::UNIQUE_IV, 24> +{ + static const char *StaticAlgorithmName() {return "XSalsa20";} +}; + +class CRYPTOPP_NO_VTABLE XSalsa20_Policy : public Salsa20_Policy +{ +public: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length); + +protected: + FixedSizeSecBlock<word32, 8> m_key; +}; + +/// <a href="http://www.cryptolounge.org/wiki/XSalsa20">XSalsa20</a>, variable rounds: 8, 12 or 20 (default 20) +struct XSalsa20 : public XSalsa20_Info, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<XSalsa20_Policy, AdditiveCipherTemplate<> >, XSalsa20_Info> Encryption; + typedef Encryption Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/seal.cpp b/CryptoPP/seal.cpp new file mode 100644 index 000000000..f49b52203 --- /dev/null +++ b/CryptoPP/seal.cpp @@ -0,0 +1,213 @@ +// seal.cpp - written and placed in the public domain by Wei Dai +// updated to SEAL 3.0 by Leonard Janke + +#include "pch.h" + +#include "seal.h" +#include "sha.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void SEAL_TestInstantiations() +{ + SEAL<>::Encryption x; +} + +struct SEAL_Gamma +{ + SEAL_Gamma(const byte *key) + : H(5), Z(5), D(16), lastIndex(0xffffffff) + { + GetUserKey(BIG_ENDIAN_ORDER, H.begin(), 5, key, 20); + memset(D, 0, 64); + } + + word32 Apply(word32 i); + + SecBlock<word32> H, Z, D; + word32 lastIndex; +}; + +word32 SEAL_Gamma::Apply(word32 i) +{ + word32 shaIndex = i/5; + if (shaIndex != lastIndex) + { + memcpy(Z, H, 20); + D[0] = shaIndex; + SHA::Transform(Z, D); + lastIndex = shaIndex; + } + return Z[i%5]; +} + +template <class B> +void SEAL_Policy<B>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + m_insideCounter = m_outsideCounter = m_startCount = 0; + + unsigned int L = params.GetIntValueWithDefault("NumberOfOutputBitsPerPositionIndex", 32*1024); + m_iterationsPerCount = L / 8192; + + SEAL_Gamma gamma(key); + unsigned int i; + + for (i=0; i<512; i++) + m_T[i] = gamma.Apply(i); + + for (i=0; i<256; i++) + m_S[i] = gamma.Apply(0x1000+i); + + m_R.New(4*(L/8192)); + + for (i=0; i<m_R.size(); i++) + m_R[i] = gamma.Apply(0x2000+i); +} + +template <class B> +void SEAL_Policy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length) +{ + assert(length==4); + m_outsideCounter = IV ? GetWord<word32>(false, BIG_ENDIAN_ORDER, IV) : 0; + m_startCount = m_outsideCounter; + m_insideCounter = 0; +} + +template <class B> +void SEAL_Policy<B>::SeekToIteration(lword iterationCount) +{ + m_outsideCounter = m_startCount + (unsigned int)(iterationCount / m_iterationsPerCount); + m_insideCounter = (unsigned int)(iterationCount % m_iterationsPerCount); +} + +template <class B> +void SEAL_Policy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ + word32 a, b, c, d, n1, n2, n3, n4; + unsigned int p, q; + + for (size_t iteration = 0; iteration < iterationCount; ++iteration) + { +#define Ttab(x) *(word32 *)((byte *)m_T.begin()+x) + + a = m_outsideCounter ^ m_R[4*m_insideCounter]; + b = rotrFixed(m_outsideCounter, 8U) ^ m_R[4*m_insideCounter+1]; + c = rotrFixed(m_outsideCounter, 16U) ^ m_R[4*m_insideCounter+2]; + d = rotrFixed(m_outsideCounter, 24U) ^ m_R[4*m_insideCounter+3]; + + for (unsigned int j=0; j<2; j++) + { + p = a & 0x7fc; + b += Ttab(p); + a = rotrFixed(a, 9U); + + p = b & 0x7fc; + c += Ttab(p); + b = rotrFixed(b, 9U); + + p = c & 0x7fc; + d += Ttab(p); + c = rotrFixed(c, 9U); + + p = d & 0x7fc; + a += Ttab(p); + d = rotrFixed(d, 9U); + } + + n1 = d, n2 = b, n3 = a, n4 = c; + + p = a & 0x7fc; + b += Ttab(p); + a = rotrFixed(a, 9U); + + p = b & 0x7fc; + c += Ttab(p); + b = rotrFixed(b, 9U); + + p = c & 0x7fc; + d += Ttab(p); + c = rotrFixed(c, 9U); + + p = d & 0x7fc; + a += Ttab(p); + d = rotrFixed(d, 9U); + + // generate 8192 bits + for (unsigned int i=0; i<64; i++) + { + p = a & 0x7fc; + a = rotrFixed(a, 9U); + b += Ttab(p); + b ^= a; + + q = b & 0x7fc; + b = rotrFixed(b, 9U); + c ^= Ttab(q); + c += b; + + p = (p+c) & 0x7fc; + c = rotrFixed(c, 9U); + d += Ttab(p); + d ^= c; + + q = (q+d) & 0x7fc; + d = rotrFixed(d, 9U); + a ^= Ttab(q); + a += d; + + p = (p+a) & 0x7fc; + b ^= Ttab(p); + a = rotrFixed(a, 9U); + + q = (q+b) & 0x7fc; + c += Ttab(q); + b = rotrFixed(b, 9U); + + p = (p+c) & 0x7fc; + d ^= Ttab(p); + c = rotrFixed(c, 9U); + + q = (q+d) & 0x7fc; + d = rotrFixed(d, 9U); + a += Ttab(q); + +#define SEAL_OUTPUT(x) \ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, b + m_S[4*i+0]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 1, c ^ m_S[4*i+1]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 2, d + m_S[4*i+2]);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 3, a ^ m_S[4*i+3]); + + CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(SEAL_OUTPUT, 4*4); + + if (i & 1) + { + a += n3; + b += n4; + c ^= n3; + d ^= n4; + } + else + { + a += n1; + b += n2; + c ^= n1; + d ^= n2; + } + } + + if (++m_insideCounter == m_iterationsPerCount) + { + ++m_outsideCounter; + m_insideCounter = 0; + } + } + + a = b = c = d = n1 = n2 = n3 = n4 = 0; + p = q = 0; +} + +template class SEAL_Policy<BigEndian>; +template class SEAL_Policy<LittleEndian>; + +NAMESPACE_END diff --git a/CryptoPP/seal.h b/CryptoPP/seal.h new file mode 100644 index 000000000..e14ae1caf --- /dev/null +++ b/CryptoPP/seal.h @@ -0,0 +1,44 @@ +#ifndef CRYPTOPP_SEAL_H +#define CRYPTOPP_SEAL_H + +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class B = BigEndian> +struct SEAL_Info : public FixedKeyLength<20, SimpleKeyingInterface::INTERNALLY_GENERATED_IV, 4> +{ + static const char *StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "SEAL-3.0-LE" : "SEAL-3.0-BE";} +}; + +template <class B = BigEndian> +class CRYPTOPP_NO_VTABLE SEAL_Policy : public AdditiveCipherConcretePolicy<word32, 256>, public SEAL_Info<B> +{ +protected: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + void CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length); + bool CipherIsRandomAccess() const {return true;} + void SeekToIteration(lword iterationCount); + +private: + FixedSizeSecBlock<word32, 512> m_T; + FixedSizeSecBlock<word32, 256> m_S; + SecBlock<word32> m_R; + + word32 m_startCount, m_iterationsPerCount; + word32 m_outsideCounter, m_insideCounter; +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#SEAL-3.0-BE">SEAL</a> +template <class B = BigEndian> +struct SEAL : public SEAL_Info<B>, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<SEAL_Policy<B>, AdditiveCipherTemplate<> >, SEAL_Info<B> > Encryption; + typedef Encryption Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/secblock.h b/CryptoPP/secblock.h new file mode 100644 index 000000000..24b9fc09b --- /dev/null +++ b/CryptoPP/secblock.h @@ -0,0 +1,467 @@ +// secblock.h - written and placed in the public domain by Wei Dai + +#ifndef CRYPTOPP_SECBLOCK_H +#define CRYPTOPP_SECBLOCK_H + +#include "config.h" +#include "misc.h" +#include <assert.h> + +NAMESPACE_BEGIN(CryptoPP) + +// ************** secure memory allocation *************** + +template<class T> +class AllocatorBase +{ +public: + typedef T value_type; + typedef size_t size_type; +#ifdef CRYPTOPP_MSVCRT6 + typedef ptrdiff_t difference_type; +#else + typedef std::ptrdiff_t difference_type; +#endif + typedef T * pointer; + typedef const T * const_pointer; + typedef T & reference; + typedef const T & const_reference; + + pointer address(reference r) const {return (&r);} + const_pointer address(const_reference r) const {return (&r); } + void construct(pointer p, const T& val) {new (p) T(val);} + void destroy(pointer p) {p->~T();} + size_type max_size() const {return ~size_type(0)/sizeof(T);} // switch to std::numeric_limits<T>::max later + +protected: + static void CheckSize(size_t n) + { + if (n > ~size_t(0) / sizeof(T)) + throw InvalidArgument("AllocatorBase: requested size would cause integer overflow"); + } +}; + +#define CRYPTOPP_INHERIT_ALLOCATOR_TYPES \ +typedef typename AllocatorBase<T>::value_type value_type;\ +typedef typename AllocatorBase<T>::size_type size_type;\ +typedef typename AllocatorBase<T>::difference_type difference_type;\ +typedef typename AllocatorBase<T>::pointer pointer;\ +typedef typename AllocatorBase<T>::const_pointer const_pointer;\ +typedef typename AllocatorBase<T>::reference reference;\ +typedef typename AllocatorBase<T>::const_reference const_reference; + +#if defined(_MSC_VER) && (_MSC_VER < 1300) +// this pragma causes an internal compiler error if placed immediately before std::swap(a, b) +#pragma warning(push) +#pragma warning(disable: 4700) // VC60 workaround: don't know how to get rid of this warning +#endif + +template <class T, class A> +typename A::pointer StandardReallocate(A& a, T *p, typename A::size_type oldSize, typename A::size_type newSize, bool preserve) +{ + if (oldSize == newSize) + return p; + + if (preserve) + { + typename A::pointer newPointer = a.allocate(newSize, NULL); + memcpy_s(newPointer, sizeof(T)*newSize, p, sizeof(T)*STDMIN(oldSize, newSize)); + a.deallocate(p, oldSize); + return newPointer; + } + else + { + a.deallocate(p, oldSize); + return a.allocate(newSize, NULL); + } +} + +#if defined(_MSC_VER) && (_MSC_VER < 1300) +#pragma warning(pop) +#endif + +template <class T, bool T_Align16 = false> +class AllocatorWithCleanup : public AllocatorBase<T> +{ +public: + CRYPTOPP_INHERIT_ALLOCATOR_TYPES + + pointer allocate(size_type n, const void * = NULL) + { + CheckSize(n); + if (n == 0) + return NULL; + +#if CRYPTOPP_BOOL_ALIGN16_ENABLED + if (T_Align16 && n*sizeof(T) >= 16) + return (pointer)AlignedAllocate(n*sizeof(T)); +#endif + + return (pointer)UnalignedAllocate(n*sizeof(T)); + } + + void deallocate(void *p, size_type n) + { + SecureWipeArray((pointer)p, n); + +#if CRYPTOPP_BOOL_ALIGN16_ENABLED + if (T_Align16 && n*sizeof(T) >= 16) + return AlignedDeallocate(p); +#endif + + UnalignedDeallocate(p); + } + + pointer reallocate(T *p, size_type oldSize, size_type newSize, bool preserve) + { + return StandardReallocate(*this, p, oldSize, newSize, preserve); + } + + // VS.NET STL enforces the policy of "All STL-compliant allocators have to provide a + // template class member called rebind". + template <class U> struct rebind { typedef AllocatorWithCleanup<U, T_Align16> other; }; +#if _MSC_VER >= 1500 + AllocatorWithCleanup() {} + template <class U, bool A> AllocatorWithCleanup(const AllocatorWithCleanup<U, A> &) {} +#endif +}; + +CRYPTOPP_DLL_TEMPLATE_CLASS AllocatorWithCleanup<byte>; +CRYPTOPP_DLL_TEMPLATE_CLASS AllocatorWithCleanup<word16>; +CRYPTOPP_DLL_TEMPLATE_CLASS AllocatorWithCleanup<word32>; +CRYPTOPP_DLL_TEMPLATE_CLASS AllocatorWithCleanup<word64>; +#if CRYPTOPP_BOOL_X86 +CRYPTOPP_DLL_TEMPLATE_CLASS AllocatorWithCleanup<word, true>; // for Integer +#endif + +template <class T> +class NullAllocator : public AllocatorBase<T> +{ +public: + CRYPTOPP_INHERIT_ALLOCATOR_TYPES + + pointer allocate(size_type n, const void * = NULL) + { + assert(false); + return NULL; + } + + void deallocate(void *p, size_type n) + { + assert(false); + } + + size_type max_size() const {return 0;} +}; + +// This allocator can't be used with standard collections because +// they require that all objects of the same allocator type are equivalent. +// So this is for use with SecBlock only. +template <class T, size_t S, class A = NullAllocator<T>, bool T_Align16 = false> +class FixedSizeAllocatorWithCleanup : public AllocatorBase<T> +{ +public: + CRYPTOPP_INHERIT_ALLOCATOR_TYPES + + FixedSizeAllocatorWithCleanup() : m_allocated(false) {} + + pointer allocate(size_type n) + { + assert(IsAlignedOn(m_array, 8)); + + if (n <= S && !m_allocated) + { + m_allocated = true; + return GetAlignedArray(); + } + else + return m_fallbackAllocator.allocate(n); + } + + pointer allocate(size_type n, const void *hint) + { + if (n <= S && !m_allocated) + { + m_allocated = true; + return GetAlignedArray(); + } + else + return m_fallbackAllocator.allocate(n, hint); + } + + void deallocate(void *p, size_type n) + { + if (p == GetAlignedArray()) + { + assert(n <= S); + assert(m_allocated); + m_allocated = false; + SecureWipeArray((pointer)p, n); + } + else + m_fallbackAllocator.deallocate(p, n); + } + + pointer reallocate(pointer p, size_type oldSize, size_type newSize, bool preserve) + { + if (p == GetAlignedArray() && newSize <= S) + { + assert(oldSize <= S); + if (oldSize > newSize) + SecureWipeArray(p+newSize, oldSize-newSize); + return p; + } + + pointer newPointer = allocate(newSize, NULL); + if (preserve) + memcpy(newPointer, p, sizeof(T)*STDMIN(oldSize, newSize)); + deallocate(p, oldSize); + return newPointer; + } + + size_type max_size() const {return STDMAX(m_fallbackAllocator.max_size(), S);} + +private: +#ifdef __BORLANDC__ + T* GetAlignedArray() {return m_array;} + T m_array[S]; +#else + T* GetAlignedArray() {return (CRYPTOPP_BOOL_ALIGN16_ENABLED && T_Align16) ? (T*)(((byte *)m_array) + (0-(size_t)m_array)%16) : m_array;} + CRYPTOPP_ALIGN_DATA(8) T m_array[(CRYPTOPP_BOOL_ALIGN16_ENABLED && T_Align16) ? S+8/sizeof(T) : S]; +#endif + A m_fallbackAllocator; + bool m_allocated; +}; + +//! a block of memory allocated using A +template <class T, class A = AllocatorWithCleanup<T> > +class SecBlock +{ +public: + typedef typename A::value_type value_type; + typedef typename A::pointer iterator; + typedef typename A::const_pointer const_iterator; + typedef typename A::size_type size_type; + + explicit SecBlock(size_type size=0) + : m_size(size) {m_ptr = m_alloc.allocate(size, NULL);} + SecBlock(const SecBlock<T, A> &t) + : m_size(t.m_size) {m_ptr = m_alloc.allocate(m_size, NULL); memcpy_s(m_ptr, m_size*sizeof(T), t.m_ptr, m_size*sizeof(T));} + SecBlock(const T *t, size_type len) + : m_size(len) + { + m_ptr = m_alloc.allocate(len, NULL); + if (t == NULL) + memset_z(m_ptr, 0, len*sizeof(T)); + else + memcpy(m_ptr, t, len*sizeof(T)); + } + + ~SecBlock() + {m_alloc.deallocate(m_ptr, m_size);} + +#ifdef __BORLANDC__ + operator T *() const + {return (T*)m_ptr;} +#else + operator const void *() const + {return m_ptr;} + operator void *() + {return m_ptr;} + + operator const T *() const + {return m_ptr;} + operator T *() + {return m_ptr;} +#endif + +// T *operator +(size_type offset) +// {return m_ptr+offset;} + +// const T *operator +(size_type offset) const +// {return m_ptr+offset;} + +// T& operator[](size_type index) +// {assert(index >= 0 && index < m_size); return m_ptr[index];} + +// const T& operator[](size_type index) const +// {assert(index >= 0 && index < m_size); return m_ptr[index];} + + iterator begin() + {return m_ptr;} + const_iterator begin() const + {return m_ptr;} + iterator end() + {return m_ptr+m_size;} + const_iterator end() const + {return m_ptr+m_size;} + + typename A::pointer data() {return m_ptr;} + typename A::const_pointer data() const {return m_ptr;} + + size_type size() const {return m_size;} + bool empty() const {return m_size == 0;} + + byte * BytePtr() {return (byte *)m_ptr;} + const byte * BytePtr() const {return (const byte *)m_ptr;} + size_type SizeInBytes() const {return m_size*sizeof(T);} + + //! set contents and size + void Assign(const T *t, size_type len) + { + New(len); + memcpy_s(m_ptr, m_size*sizeof(T), t, len*sizeof(T)); + } + + //! copy contents and size from another SecBlock + void Assign(const SecBlock<T, A> &t) + { + if (this != &t) + { + New(t.m_size); + memcpy_s(m_ptr, m_size*sizeof(T), t.m_ptr, m_size*sizeof(T)); + } + } + + SecBlock<T, A>& operator=(const SecBlock<T, A> &t) + { + Assign(t); + return *this; + } + + // append to this object + SecBlock<T, A>& operator+=(const SecBlock<T, A> &t) + { + size_type oldSize = m_size; + Grow(m_size+t.m_size); + memcpy_s(m_ptr+oldSize, m_size*sizeof(T), t.m_ptr, t.m_size*sizeof(T)); + return *this; + } + + // append operator + SecBlock<T, A> operator+(const SecBlock<T, A> &t) + { + SecBlock<T, A> result(m_size+t.m_size); + memcpy_s(result.m_ptr, result.m_size*sizeof(T), m_ptr, m_size*sizeof(T)); + memcpy_s(result.m_ptr+m_size, t.m_size*sizeof(T), t.m_ptr, t.m_size*sizeof(T)); + return result; + } + + bool operator==(const SecBlock<T, A> &t) const + { + return m_size == t.m_size && VerifyBufsEqual(m_ptr, t.m_ptr, m_size*sizeof(T)); + } + + bool operator!=(const SecBlock<T, A> &t) const + { + return !operator==(t); + } + + //! change size, without preserving contents + void New(size_type newSize) + { + m_ptr = m_alloc.reallocate(m_ptr, m_size, newSize, false); + m_size = newSize; + } + + //! change size and set contents to 0 + void CleanNew(size_type newSize) + { + New(newSize); + memset_z(m_ptr, 0, m_size*sizeof(T)); + } + + //! change size only if newSize > current size. contents are preserved + void Grow(size_type newSize) + { + if (newSize > m_size) + { + m_ptr = m_alloc.reallocate(m_ptr, m_size, newSize, true); + m_size = newSize; + } + } + + //! change size only if newSize > current size. contents are preserved and additional area is set to 0 + void CleanGrow(size_type newSize) + { + if (newSize > m_size) + { + m_ptr = m_alloc.reallocate(m_ptr, m_size, newSize, true); + memset(m_ptr+m_size, 0, (newSize-m_size)*sizeof(T)); + m_size = newSize; + } + } + + //! change size and preserve contents + void resize(size_type newSize) + { + m_ptr = m_alloc.reallocate(m_ptr, m_size, newSize, true); + m_size = newSize; + } + + //! swap contents and size with another SecBlock + void swap(SecBlock<T, A> &b) + { + std::swap(m_alloc, b.m_alloc); + std::swap(m_size, b.m_size); + std::swap(m_ptr, b.m_ptr); + } + +//private: + A m_alloc; + size_type m_size; + T *m_ptr; +}; + +typedef SecBlock<byte> SecByteBlock; +typedef SecBlock<byte, AllocatorWithCleanup<byte, true> > AlignedSecByteBlock; +typedef SecBlock<word> SecWordBlock; + +//! a SecBlock with fixed size, allocated statically +template <class T, unsigned int S, class A = FixedSizeAllocatorWithCleanup<T, S> > +class FixedSizeSecBlock : public SecBlock<T, A> +{ +public: + explicit FixedSizeSecBlock() : SecBlock<T, A>(S) {} +}; + +template <class T, unsigned int S, bool T_Align16 = true> +class FixedSizeAlignedSecBlock : public FixedSizeSecBlock<T, S, FixedSizeAllocatorWithCleanup<T, S, NullAllocator<T>, T_Align16> > +{ +}; + +//! a SecBlock that preallocates size S statically, and uses the heap when this size is exceeded +template <class T, unsigned int S, class A = FixedSizeAllocatorWithCleanup<T, S, AllocatorWithCleanup<T> > > +class SecBlockWithHint : public SecBlock<T, A> +{ +public: + explicit SecBlockWithHint(size_t size) : SecBlock<T, A>(size) {} +}; + +template<class T, bool A, class U, bool B> +inline bool operator==(const CryptoPP::AllocatorWithCleanup<T, A>&, const CryptoPP::AllocatorWithCleanup<U, B>&) {return (true);} +template<class T, bool A, class U, bool B> +inline bool operator!=(const CryptoPP::AllocatorWithCleanup<T, A>&, const CryptoPP::AllocatorWithCleanup<U, B>&) {return (false);} + +NAMESPACE_END + +NAMESPACE_BEGIN(std) +template <class T, class A> +inline void swap(CryptoPP::SecBlock<T, A> &a, CryptoPP::SecBlock<T, A> &b) +{ + a.swap(b); +} + +#if defined(_STLP_DONT_SUPPORT_REBIND_MEMBER_TEMPLATE) || (defined(_STLPORT_VERSION) && !defined(_STLP_MEMBER_TEMPLATE_CLASSES)) +// working for STLport 5.1.3 and MSVC 6 SP5 +template <class _Tp1, class _Tp2> +inline CryptoPP::AllocatorWithCleanup<_Tp2>& +__stl_alloc_rebind(CryptoPP::AllocatorWithCleanup<_Tp1>& __a, const _Tp2*) +{ + return (CryptoPP::AllocatorWithCleanup<_Tp2>&)(__a); +} +#endif + +NAMESPACE_END + +#endif diff --git a/CryptoPP/seckey.h b/CryptoPP/seckey.h new file mode 100644 index 000000000..35046a61b --- /dev/null +++ b/CryptoPP/seckey.h @@ -0,0 +1,221 @@ +// seckey.h - written and placed in the public domain by Wei Dai + +// This file contains helper classes/functions for implementing secret key algorithms. + +#ifndef CRYPTOPP_SECKEY_H +#define CRYPTOPP_SECKEY_H + +#include "cryptlib.h" +#include "misc.h" +#include "simple.h" + +NAMESPACE_BEGIN(CryptoPP) + +inline CipherDir ReverseCipherDir(CipherDir dir) +{ + return (dir == ENCRYPTION) ? DECRYPTION : ENCRYPTION; +} + +//! to be inherited by block ciphers with fixed block size +template <unsigned int N> +class FixedBlockSize +{ +public: + CRYPTOPP_CONSTANT(BLOCKSIZE = N) +}; + +// ************** rounds *************** + +//! to be inherited by ciphers with fixed number of rounds +template <unsigned int R> +class FixedRounds +{ +public: + CRYPTOPP_CONSTANT(ROUNDS = R) +}; + +//! to be inherited by ciphers with variable number of rounds +template <unsigned int D, unsigned int N=1, unsigned int M=INT_MAX> // use INT_MAX here because enums are treated as signed ints +class VariableRounds +{ +public: + CRYPTOPP_CONSTANT(DEFAULT_ROUNDS = D) + CRYPTOPP_CONSTANT(MIN_ROUNDS = N) + CRYPTOPP_CONSTANT(MAX_ROUNDS = M) + static unsigned int StaticGetDefaultRounds(size_t keylength) {return DEFAULT_ROUNDS;} + +protected: + inline void ThrowIfInvalidRounds(int rounds, const Algorithm *alg) + { + if (rounds < MIN_ROUNDS || rounds > MAX_ROUNDS) + throw InvalidRounds(alg->AlgorithmName(), rounds); + } + + inline unsigned int GetRoundsAndThrowIfInvalid(const NameValuePairs ¶m, const Algorithm *alg) + { + int rounds = param.GetIntValueWithDefault("Rounds", DEFAULT_ROUNDS); + ThrowIfInvalidRounds(rounds, alg); + return (unsigned int)rounds; + } +}; + +// ************** key length *************** + +//! to be inherited by keyed algorithms with fixed key length +template <unsigned int N, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> +class FixedKeyLength +{ +public: + CRYPTOPP_CONSTANT(KEYLENGTH=N) + CRYPTOPP_CONSTANT(MIN_KEYLENGTH=N) + CRYPTOPP_CONSTANT(MAX_KEYLENGTH=N) + CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH=N) + CRYPTOPP_CONSTANT(IV_REQUIREMENT = IV_REQ) + CRYPTOPP_CONSTANT(IV_LENGTH = IV_L) + static size_t CRYPTOPP_API StaticGetValidKeyLength(size_t) {return KEYLENGTH;} +}; + +/// support query of variable key length, template parameters are default, min, max, multiple (default multiple 1) +template <unsigned int D, unsigned int N, unsigned int M, unsigned int Q = 1, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> +class VariableKeyLength +{ + // make these private to avoid Doxygen documenting them in all derived classes + CRYPTOPP_COMPILE_ASSERT(Q > 0); + CRYPTOPP_COMPILE_ASSERT(N % Q == 0); + CRYPTOPP_COMPILE_ASSERT(M % Q == 0); + CRYPTOPP_COMPILE_ASSERT(N < M); + CRYPTOPP_COMPILE_ASSERT(D >= N); + CRYPTOPP_COMPILE_ASSERT(M >= D); + +public: + CRYPTOPP_CONSTANT(MIN_KEYLENGTH=N) + CRYPTOPP_CONSTANT(MAX_KEYLENGTH=M) + CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH=D) + CRYPTOPP_CONSTANT(KEYLENGTH_MULTIPLE=Q) + CRYPTOPP_CONSTANT(IV_REQUIREMENT=IV_REQ) + CRYPTOPP_CONSTANT(IV_LENGTH=IV_L) + + static size_t CRYPTOPP_API StaticGetValidKeyLength(size_t n) + { + if (n < (size_t)MIN_KEYLENGTH) + return MIN_KEYLENGTH; + else if (n > (size_t)MAX_KEYLENGTH) + return (size_t)MAX_KEYLENGTH; + else + { + n += KEYLENGTH_MULTIPLE-1; + return n - n%KEYLENGTH_MULTIPLE; + } + } +}; + +/// support query of key length that's the same as another class +template <class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> +class SameKeyLengthAs +{ +public: + CRYPTOPP_CONSTANT(MIN_KEYLENGTH=T::MIN_KEYLENGTH) + CRYPTOPP_CONSTANT(MAX_KEYLENGTH=T::MAX_KEYLENGTH) + CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH=T::DEFAULT_KEYLENGTH) + CRYPTOPP_CONSTANT(IV_REQUIREMENT=IV_REQ) + CRYPTOPP_CONSTANT(IV_LENGTH=IV_L) + + static size_t CRYPTOPP_API StaticGetValidKeyLength(size_t keylength) + {return T::StaticGetValidKeyLength(keylength);} +}; + +// ************** implementation helper for SimpleKeyed *************** + +//! _ +template <class BASE, class INFO = BASE> +class CRYPTOPP_NO_VTABLE SimpleKeyingInterfaceImpl : public BASE +{ +public: + size_t MinKeyLength() const {return INFO::MIN_KEYLENGTH;} + size_t MaxKeyLength() const {return (size_t)INFO::MAX_KEYLENGTH;} + size_t DefaultKeyLength() const {return INFO::DEFAULT_KEYLENGTH;} + size_t GetValidKeyLength(size_t n) const {return INFO::StaticGetValidKeyLength(n);} + SimpleKeyingInterface::IV_Requirement IVRequirement() const {return (SimpleKeyingInterface::IV_Requirement)INFO::IV_REQUIREMENT;} + unsigned int IVSize() const {return INFO::IV_LENGTH;} +}; + +template <class INFO, class BASE = BlockCipher> +class CRYPTOPP_NO_VTABLE BlockCipherImpl : public AlgorithmImpl<SimpleKeyingInterfaceImpl<TwoBases<BASE, INFO> > > +{ +public: + unsigned int BlockSize() const {return this->BLOCKSIZE;} +}; + +//! _ +template <CipherDir DIR, class BASE> +class BlockCipherFinal : public ClonableImpl<BlockCipherFinal<DIR, BASE>, BASE> +{ +public: + BlockCipherFinal() {} + BlockCipherFinal(const byte *key) + {this->SetKey(key, this->DEFAULT_KEYLENGTH);} + BlockCipherFinal(const byte *key, size_t length) + {this->SetKey(key, length);} + BlockCipherFinal(const byte *key, size_t length, unsigned int rounds) + {this->SetKeyWithRounds(key, length, rounds);} + + bool IsForwardTransformation() const {return DIR == ENCRYPTION;} +}; + +//! _ +template <class BASE, class INFO = BASE> +class MessageAuthenticationCodeImpl : public AlgorithmImpl<SimpleKeyingInterfaceImpl<BASE, INFO>, INFO> +{ +}; + +//! _ +template <class BASE> +class MessageAuthenticationCodeFinal : public ClonableImpl<MessageAuthenticationCodeFinal<BASE>, MessageAuthenticationCodeImpl<BASE> > +{ +public: + MessageAuthenticationCodeFinal() {} + MessageAuthenticationCodeFinal(const byte *key) + {this->SetKey(key, this->DEFAULT_KEYLENGTH);} + MessageAuthenticationCodeFinal(const byte *key, size_t length) + {this->SetKey(key, length);} +}; + +// ************** documentation *************** + +//! These objects usually should not be used directly. See CipherModeDocumentation instead. +/*! Each class derived from this one defines two types, Encryption and Decryption, + both of which implement the BlockCipher interface. */ +struct BlockCipherDocumentation +{ + //! implements the BlockCipher interface + typedef BlockCipher Encryption; + //! implements the BlockCipher interface + typedef BlockCipher Decryption; +}; + +/*! \brief Each class derived from this one defines two types, Encryption and Decryption, + both of which implement the SymmetricCipher interface. Two types of classes derive + from this class: stream ciphers and block cipher modes. Stream ciphers can be used + alone, cipher mode classes need to be used with a block cipher. See CipherModeDocumentation + for more for information about using cipher modes and block ciphers. */ +struct SymmetricCipherDocumentation +{ + //! implements the SymmetricCipher interface + typedef SymmetricCipher Encryption; + //! implements the SymmetricCipher interface + typedef SymmetricCipher Decryption; +}; + +/*! \brief Each class derived from this one defines two types, Encryption and Decryption, + both of which implement the AuthenticatedSymmetricCipher interface. */ +struct AuthenticatedSymmetricCipherDocumentation +{ + //! implements the AuthenticatedSymmetricCipher interface + typedef AuthenticatedSymmetricCipher Encryption; + //! implements the AuthenticatedSymmetricCipher interface + typedef AuthenticatedSymmetricCipher Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/seed.cpp b/CryptoPP/seed.cpp new file mode 100644 index 000000000..6c739b474 --- /dev/null +++ b/CryptoPP/seed.cpp @@ -0,0 +1,104 @@ +// seed.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+#include "seed.h"
+#include "misc.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+static const word32 s_kc[16] = {
+ 0x9e3779b9, 0x3c6ef373, 0x78dde6e6, 0xf1bbcdcc, 0xe3779b99, 0xc6ef3733, 0x8dde6e67, 0x1bbcdccf,
+ 0x3779b99e, 0x6ef3733c, 0xdde6e678, 0xbbcdccf1, 0x779b99e3, 0xef3733c6, 0xde6e678d, 0xbcdccf1b};
+
+static const byte s_s0[256] = {
+ 0xA9, 0x85, 0xD6, 0xD3, 0x54, 0x1D, 0xAC, 0x25, 0x5D, 0x43, 0x18, 0x1E, 0x51, 0xFC, 0xCA, 0x63, 0x28,
+ 0x44, 0x20, 0x9D, 0xE0, 0xE2, 0xC8, 0x17, 0xA5, 0x8F, 0x03, 0x7B, 0xBB, 0x13, 0xD2, 0xEE, 0x70, 0x8C,
+ 0x3F, 0xA8, 0x32, 0xDD, 0xF6, 0x74, 0xEC, 0x95, 0x0B, 0x57, 0x5C, 0x5B, 0xBD, 0x01, 0x24, 0x1C, 0x73,
+ 0x98, 0x10, 0xCC, 0xF2, 0xD9, 0x2C, 0xE7, 0x72, 0x83, 0x9B, 0xD1, 0x86, 0xC9, 0x60, 0x50, 0xA3, 0xEB,
+ 0x0D, 0xB6, 0x9E, 0x4F, 0xB7, 0x5A, 0xC6, 0x78, 0xA6, 0x12, 0xAF, 0xD5, 0x61, 0xC3, 0xB4, 0x41, 0x52,
+ 0x7D, 0x8D, 0x08, 0x1F, 0x99, 0x00, 0x19, 0x04, 0x53, 0xF7, 0xE1, 0xFD, 0x76, 0x2F, 0x27, 0xB0, 0x8B,
+ 0x0E, 0xAB, 0xA2, 0x6E, 0x93, 0x4D, 0x69, 0x7C, 0x09, 0x0A, 0xBF, 0xEF, 0xF3, 0xC5, 0x87, 0x14, 0xFE,
+ 0x64, 0xDE, 0x2E, 0x4B, 0x1A, 0x06, 0x21, 0x6B, 0x66, 0x02, 0xF5, 0x92, 0x8A, 0x0C, 0xB3, 0x7E, 0xD0,
+ 0x7A, 0x47, 0x96, 0xE5, 0x26, 0x80, 0xAD, 0xDF, 0xA1, 0x30, 0x37, 0xAE, 0x36, 0x15, 0x22, 0x38, 0xF4,
+ 0xA7, 0x45, 0x4C, 0x81, 0xE9, 0x84, 0x97, 0x35, 0xCB, 0xCE, 0x3C, 0x71, 0x11, 0xC7, 0x89, 0x75, 0xFB,
+ 0xDA, 0xF8, 0x94, 0x59, 0x82, 0xC4, 0xFF, 0x49, 0x39, 0x67, 0xC0, 0xCF, 0xD7, 0xB8, 0x0F, 0x8E, 0x42,
+ 0x23, 0x91, 0x6C, 0xDB, 0xA4, 0x34, 0xF1, 0x48, 0xC2, 0x6F, 0x3D, 0x2D, 0x40, 0xBE, 0x3E, 0xBC, 0xC1,
+ 0xAA, 0xBA, 0x4E, 0x55, 0x3B, 0xDC, 0x68, 0x7F, 0x9C, 0xD8, 0x4A, 0x56, 0x77, 0xA0, 0xED, 0x46, 0xB5,
+ 0x2B, 0x65, 0xFA, 0xE3, 0xB9, 0xB1, 0x9F, 0x5E, 0xF9, 0xE6, 0xB2, 0x31, 0xEA, 0x6D, 0x5F, 0xE4, 0xF0,
+ 0xCD, 0x88, 0x16, 0x3A, 0x58, 0xD4, 0x62, 0x29, 0x07, 0x33, 0xE8, 0x1B, 0x05, 0x79, 0x90, 0x6A, 0x2A,
+ 0x9A};
+
+static const byte s_s1[256] = {
+ 0x38, 0xE8, 0x2D, 0xA6, 0xCF, 0xDE, 0xB3, 0xB8, 0xAF, 0x60, 0x55, 0xC7, 0x44, 0x6F, 0x6B, 0x5B, 0xC3,
+ 0x62, 0x33, 0xB5, 0x29, 0xA0, 0xE2, 0xA7, 0xD3, 0x91, 0x11, 0x06, 0x1C, 0xBC, 0x36, 0x4B, 0xEF, 0x88,
+ 0x6C, 0xA8, 0x17, 0xC4, 0x16, 0xF4, 0xC2, 0x45, 0xE1, 0xD6, 0x3F, 0x3D, 0x8E, 0x98, 0x28, 0x4E, 0xF6,
+ 0x3E, 0xA5, 0xF9, 0x0D, 0xDF, 0xD8, 0x2B, 0x66, 0x7A, 0x27, 0x2F, 0xF1, 0x72, 0x42, 0xD4, 0x41, 0xC0,
+ 0x73, 0x67, 0xAC, 0x8B, 0xF7, 0xAD, 0x80, 0x1F, 0xCA, 0x2C, 0xAA, 0x34, 0xD2, 0x0B, 0xEE, 0xE9, 0x5D,
+ 0x94, 0x18, 0xF8, 0x57, 0xAE, 0x08, 0xC5, 0x13, 0xCD, 0x86, 0xB9, 0xFF, 0x7D, 0xC1, 0x31, 0xF5, 0x8A,
+ 0x6A, 0xB1, 0xD1, 0x20, 0xD7, 0x02, 0x22, 0x04, 0x68, 0x71, 0x07, 0xDB, 0x9D, 0x99, 0x61, 0xBE, 0xE6,
+ 0x59, 0xDD, 0x51, 0x90, 0xDC, 0x9A, 0xA3, 0xAB, 0xD0, 0x81, 0x0F, 0x47, 0x1A, 0xE3, 0xEC, 0x8D, 0xBF,
+ 0x96, 0x7B, 0x5C, 0xA2, 0xA1, 0x63, 0x23, 0x4D, 0xC8, 0x9E, 0x9C, 0x3A, 0x0C, 0x2E, 0xBA, 0x6E, 0x9F,
+ 0x5A, 0xF2, 0x92, 0xF3, 0x49, 0x78, 0xCC, 0x15, 0xFB, 0x70, 0x75, 0x7F, 0x35, 0x10, 0x03, 0x64, 0x6D,
+ 0xC6, 0x74, 0xD5, 0xB4, 0xEA, 0x09, 0x76, 0x19, 0xFE, 0x40, 0x12, 0xE0, 0xBD, 0x05, 0xFA, 0x01, 0xF0,
+ 0x2A, 0x5E, 0xA9, 0x56, 0x43, 0x85, 0x14, 0x89, 0x9B, 0xB0, 0xE5, 0x48, 0x79, 0x97, 0xFC, 0x1E, 0x82,
+ 0x21, 0x8C, 0x1B, 0x5F, 0x77, 0x54, 0xB2, 0x1D, 0x25, 0x4F, 0x00, 0x46, 0xED, 0x58, 0x52, 0xEB, 0x7E,
+ 0xDA, 0xC9, 0xFD, 0x30, 0x95, 0x65, 0x3C, 0xB6, 0xE4, 0xBB, 0x7C, 0x0E, 0x50, 0x39, 0x26, 0x32, 0x84,
+ 0x69, 0x93, 0x37, 0xE7, 0x24, 0xA4, 0xCB, 0x53, 0x0A, 0x87, 0xD9, 0x4C, 0x83, 0x8F, 0xCE, 0x3B, 0x4A,
+ 0xB7};
+
+#define SS0(x) ((s_s0[x]*0x01010101UL) & 0x3FCFF3FC)
+#define SS1(x) ((s_s1[x]*0x01010101UL) & 0xFC3FCFF3)
+#define SS2(x) ((s_s0[x]*0x01010101UL) & 0xF3FC3FCF)
+#define SS3(x) ((s_s1[x]*0x01010101UL) & 0xCFF3FC3F)
+#define G(x) (SS0(GETBYTE(x, 0)) ^ SS1(GETBYTE(x, 1)) ^ SS2(GETBYTE(x, 2)) ^ SS3(GETBYTE(x, 3)))
+
+void SEED::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms)
+{
+ AssertValidKeyLength(length);
+
+ word64 key01, key23;
+ GetBlock<word64, BigEndian> get(userKey);
+ get(key01)(key23);
+ word32 *k = m_k;
+ size_t kInc = 2;
+ if (!IsForwardTransformation())
+ {
+ k = k+30;
+ kInc = 0-kInc;
+ }
+
+ for (int i=0; i<ROUNDS; i++)
+ {
+ word32 t0 = word32(key01>>32) + word32(key23>>32) - s_kc[i];
+ word32 t1 = word32(key01) - word32(key23) + s_kc[i];
+ k[0] = G(t0);
+ k[1] = G(t1);
+ k+=kInc;
+ if (i&1)
+ key23 = rotlFixed<word64>(key23, 8);
+ else
+ key01 = rotrFixed<word64>(key01, 8);
+ }
+}
+
+void SEED::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
+{
+ typedef BlockGetAndPut<word32, BigEndian> Block;
+ word32 a0, a1, b0, b1, t0, t1;
+ Block::Get(inBlock)(a0)(a1)(b0)(b1);
+
+ for (int i=0; i<ROUNDS; i+=2)
+ {
+ t0 = b0 ^ m_k[2*i+0]; t1 = b1 ^ m_k[2*i+1] ^ t0;
+ t1 = G(t1); t0 += t1; t0 = G(t0); t1 += t0; t1 = G(t1);
+ a0 ^= t0 + t1; a1 ^= t1;
+
+ t0 = a0 ^ m_k[2*i+2]; t1 = a1 ^ m_k[2*i+3] ^ t0;
+ t1 = G(t1); t0 += t1; t0 = G(t0); t1 += t0; t1 = G(t1);
+ b0 ^= t0 + t1; b1 ^= t1;
+ }
+
+ Block::Put(xorBlock, outBlock)(b0)(b1)(a0)(a1);
+}
+
+NAMESPACE_END
diff --git a/CryptoPP/seed.h b/CryptoPP/seed.h new file mode 100644 index 000000000..871284de7 --- /dev/null +++ b/CryptoPP/seed.h @@ -0,0 +1,38 @@ +#ifndef CRYPTOPP_SEED_H +#define CRYPTOPP_SEED_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct SEED_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, public FixedRounds<16> +{ + static const char *StaticAlgorithmName() {return "SEED";} +}; + +/// <a href="http://www.cryptolounge.org/wiki/SEED">SEED</a> +class SEED : public SEED_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SEED_Info> + { + public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + protected: + FixedSizeSecBlock<word32, 32> m_k; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Base> Encryption; + typedef BlockCipherFinal<DECRYPTION, Base> Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/serpent.cpp b/CryptoPP/serpent.cpp new file mode 100644 index 000000000..40fab23d7 --- /dev/null +++ b/CryptoPP/serpent.cpp @@ -0,0 +1,123 @@ +// serpent.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "serpent.h" +#include "misc.h" + +#include "serpentp.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Serpent_KeySchedule(word32 *k, unsigned int rounds, const byte *userKey, size_t keylen) +{ + FixedSizeSecBlock<word32, 8> k0; + GetUserKey(LITTLE_ENDIAN_ORDER, k0.begin(), 8, userKey, keylen); + if (keylen < 32) + k0[keylen/4] |= word32(1) << ((keylen%4)*8); + + word32 t = k0[7]; + unsigned int i; + for (i = 0; i < 8; ++i) + k[i] = k0[i] = t = rotlFixed(k0[i] ^ k0[(i+3)%8] ^ k0[(i+5)%8] ^ t ^ 0x9e3779b9 ^ i, 11); + for (i = 8; i < 4*(rounds+1); ++i) + k[i] = t = rotlFixed(k[i-8] ^ k[i-5] ^ k[i-3] ^ t ^ 0x9e3779b9 ^ i, 11); + k -= 20; + + word32 a,b,c,d,e; + for (i=0; i<rounds/8; i++) + { + afterS2(LK); afterS2(S3); afterS3(SK); + afterS1(LK); afterS1(S2); afterS2(SK); + afterS0(LK); afterS0(S1); afterS1(SK); + beforeS0(LK); beforeS0(S0); afterS0(SK); + k += 8*4; + afterS6(LK); afterS6(S7); afterS7(SK); + afterS5(LK); afterS5(S6); afterS6(SK); + afterS4(LK); afterS4(S5); afterS5(SK); + afterS3(LK); afterS3(S4); afterS4(SK); + } + afterS2(LK); afterS2(S3); afterS3(SK); +} + +void Serpent::Base::UncheckedSetKey(const byte *userKey, unsigned int keylen, const NameValuePairs &) +{ + AssertValidKeyLength(keylen); + Serpent_KeySchedule(m_key, 32, userKey, keylen); +} + +typedef BlockGetAndPut<word32, LittleEndian> Block; + +void Serpent::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 a, b, c, d, e; + + Block::Get(inBlock)(a)(b)(c)(d); + + const word32 *k = m_key; + unsigned int i=1; + + do + { + beforeS0(KX); beforeS0(S0); afterS0(LT); + afterS0(KX); afterS0(S1); afterS1(LT); + afterS1(KX); afterS1(S2); afterS2(LT); + afterS2(KX); afterS2(S3); afterS3(LT); + afterS3(KX); afterS3(S4); afterS4(LT); + afterS4(KX); afterS4(S5); afterS5(LT); + afterS5(KX); afterS5(S6); afterS6(LT); + afterS6(KX); afterS6(S7); + + if (i == 4) + break; + + ++i; + c = b; + b = e; + e = d; + d = a; + a = e; + k += 32; + beforeS0(LT); + } + while (true); + + afterS7(KX); + + Block::Put(xorBlock, outBlock)(d)(e)(b)(a); +} + +void Serpent::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 a, b, c, d, e; + + Block::Get(inBlock)(a)(b)(c)(d); + + const word32 *k = m_key + 96; + unsigned int i=4; + + beforeI7(KX); + goto start; + + do + { + c = b; + b = d; + d = e; + k -= 32; + beforeI7(ILT); +start: + beforeI7(I7); afterI7(KX); + afterI7(ILT); afterI7(I6); afterI6(KX); + afterI6(ILT); afterI6(I5); afterI5(KX); + afterI5(ILT); afterI5(I4); afterI4(KX); + afterI4(ILT); afterI4(I3); afterI3(KX); + afterI3(ILT); afterI3(I2); afterI2(KX); + afterI2(ILT); afterI2(I1); afterI1(KX); + afterI1(ILT); afterI1(I0); afterI0(KX); + } + while (--i != 0); + + Block::Put(xorBlock, outBlock)(a)(d)(b)(e); +} + +NAMESPACE_END diff --git a/CryptoPP/serpent.h b/CryptoPP/serpent.h new file mode 100644 index 000000000..f7ee8d611 --- /dev/null +++ b/CryptoPP/serpent.h @@ -0,0 +1,52 @@ +#ifndef CRYPTOPP_SERPENT_H +#define CRYPTOPP_SERPENT_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, public FixedRounds<32> +{ + static const char *StaticAlgorithmName() {return "Serpent";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a> +class Serpent : public Serpent_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Serpent_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + FixedSizeSecBlock<word32, 33*4> m_key; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef Serpent::Encryption SerpentEncryption; +typedef Serpent::Decryption SerpentDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/serpentp.h b/CryptoPP/serpentp.h new file mode 100644 index 000000000..7869a3fcf --- /dev/null +++ b/CryptoPP/serpentp.h @@ -0,0 +1,434 @@ +// private header for Serpent and Sosemanuk + +NAMESPACE_BEGIN(CryptoPP) + +// linear transformation +#define LT(i,a,b,c,d,e) {\ + a = rotlFixed(a, 13); \ + c = rotlFixed(c, 3); \ + d = rotlFixed(d ^ c ^ (a << 3), 7); \ + b = rotlFixed(b ^ a ^ c, 1); \ + a = rotlFixed(a ^ b ^ d, 5); \ + c = rotlFixed(c ^ d ^ (b << 7), 22);} + +// inverse linear transformation +#define ILT(i,a,b,c,d,e) {\ + c = rotrFixed(c, 22); \ + a = rotrFixed(a, 5); \ + c ^= d ^ (b << 7); \ + a ^= b ^ d; \ + b = rotrFixed(b, 1); \ + d = rotrFixed(d, 7) ^ c ^ (a << 3); \ + b ^= a ^ c; \ + c = rotrFixed(c, 3); \ + a = rotrFixed(a, 13);} + +// order of output from S-box functions +#define beforeS0(f) f(0,a,b,c,d,e) +#define afterS0(f) f(1,b,e,c,a,d) +#define afterS1(f) f(2,c,b,a,e,d) +#define afterS2(f) f(3,a,e,b,d,c) +#define afterS3(f) f(4,e,b,d,c,a) +#define afterS4(f) f(5,b,a,e,c,d) +#define afterS5(f) f(6,a,c,b,e,d) +#define afterS6(f) f(7,a,c,d,b,e) +#define afterS7(f) f(8,d,e,b,a,c) + +// order of output from inverse S-box functions +#define beforeI7(f) f(8,a,b,c,d,e) +#define afterI7(f) f(7,d,a,b,e,c) +#define afterI6(f) f(6,a,b,c,e,d) +#define afterI5(f) f(5,b,d,e,c,a) +#define afterI4(f) f(4,b,c,e,a,d) +#define afterI3(f) f(3,a,b,e,c,d) +#define afterI2(f) f(2,b,d,e,c,a) +#define afterI1(f) f(1,a,b,c,e,d) +#define afterI0(f) f(0,a,d,b,e,c) + +// The instruction sequences for the S-box functions +// come from Dag Arne Osvik's paper "Speeding up Serpent". + +#define S0(i, r0, r1, r2, r3, r4) \ + { \ + r3 ^= r0; \ + r4 = r1; \ + r1 &= r3; \ + r4 ^= r2; \ + r1 ^= r0; \ + r0 |= r3; \ + r0 ^= r4; \ + r4 ^= r3; \ + r3 ^= r2; \ + r2 |= r1; \ + r2 ^= r4; \ + r4 = ~r4; \ + r4 |= r1; \ + r1 ^= r3; \ + r1 ^= r4; \ + r3 |= r0; \ + r1 ^= r3; \ + r4 ^= r3; \ + } + +#define I0(i, r0, r1, r2, r3, r4) \ + { \ + r2 = ~r2; \ + r4 = r1; \ + r1 |= r0; \ + r4 = ~r4; \ + r1 ^= r2; \ + r2 |= r4; \ + r1 ^= r3; \ + r0 ^= r4; \ + r2 ^= r0; \ + r0 &= r3; \ + r4 ^= r0; \ + r0 |= r1; \ + r0 ^= r2; \ + r3 ^= r4; \ + r2 ^= r1; \ + r3 ^= r0; \ + r3 ^= r1; \ + r2 &= r3; \ + r4 ^= r2; \ + } + +#define S1(i, r0, r1, r2, r3, r4) \ + { \ + r0 = ~r0; \ + r2 = ~r2; \ + r4 = r0; \ + r0 &= r1; \ + r2 ^= r0; \ + r0 |= r3; \ + r3 ^= r2; \ + r1 ^= r0; \ + r0 ^= r4; \ + r4 |= r1; \ + r1 ^= r3; \ + r2 |= r0; \ + r2 &= r4; \ + r0 ^= r1; \ + r1 &= r2; \ + r1 ^= r0; \ + r0 &= r2; \ + r0 ^= r4; \ + } + +#define I1(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r1; \ + r1 ^= r3; \ + r3 &= r1; \ + r4 ^= r2; \ + r3 ^= r0; \ + r0 |= r1; \ + r2 ^= r3; \ + r0 ^= r4; \ + r0 |= r2; \ + r1 ^= r3; \ + r0 ^= r1; \ + r1 |= r3; \ + r1 ^= r0; \ + r4 = ~r4; \ + r4 ^= r1; \ + r1 |= r0; \ + r1 ^= r0; \ + r1 |= r4; \ + r3 ^= r1; \ + } + +#define S2(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r0; \ + r0 &= r2; \ + r0 ^= r3; \ + r2 ^= r1; \ + r2 ^= r0; \ + r3 |= r4; \ + r3 ^= r1; \ + r4 ^= r2; \ + r1 = r3; \ + r3 |= r4; \ + r3 ^= r0; \ + r0 &= r1; \ + r4 ^= r0; \ + r1 ^= r3; \ + r1 ^= r4; \ + r4 = ~r4; \ + } + +#define I2(i, r0, r1, r2, r3, r4) \ + { \ + r2 ^= r3; \ + r3 ^= r0; \ + r4 = r3; \ + r3 &= r2; \ + r3 ^= r1; \ + r1 |= r2; \ + r1 ^= r4; \ + r4 &= r3; \ + r2 ^= r3; \ + r4 &= r0; \ + r4 ^= r2; \ + r2 &= r1; \ + r2 |= r0; \ + r3 = ~r3; \ + r2 ^= r3; \ + r0 ^= r3; \ + r0 &= r1; \ + r3 ^= r4; \ + r3 ^= r0; \ + } + +#define S3(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r0; \ + r0 |= r3; \ + r3 ^= r1; \ + r1 &= r4; \ + r4 ^= r2; \ + r2 ^= r3; \ + r3 &= r0; \ + r4 |= r1; \ + r3 ^= r4; \ + r0 ^= r1; \ + r4 &= r0; \ + r1 ^= r3; \ + r4 ^= r2; \ + r1 |= r0; \ + r1 ^= r2; \ + r0 ^= r3; \ + r2 = r1; \ + r1 |= r3; \ + r1 ^= r0; \ + } + +#define I3(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r2; \ + r2 ^= r1; \ + r1 &= r2; \ + r1 ^= r0; \ + r0 &= r4; \ + r4 ^= r3; \ + r3 |= r1; \ + r3 ^= r2; \ + r0 ^= r4; \ + r2 ^= r0; \ + r0 |= r3; \ + r0 ^= r1; \ + r4 ^= r2; \ + r2 &= r3; \ + r1 |= r3; \ + r1 ^= r2; \ + r4 ^= r0; \ + r2 ^= r4; \ + } + +#define S4(i, r0, r1, r2, r3, r4) \ + { \ + r1 ^= r3; \ + r3 = ~r3; \ + r2 ^= r3; \ + r3 ^= r0; \ + r4 = r1; \ + r1 &= r3; \ + r1 ^= r2; \ + r4 ^= r3; \ + r0 ^= r4; \ + r2 &= r4; \ + r2 ^= r0; \ + r0 &= r1; \ + r3 ^= r0; \ + r4 |= r1; \ + r4 ^= r0; \ + r0 |= r3; \ + r0 ^= r2; \ + r2 &= r3; \ + r0 = ~r0; \ + r4 ^= r2; \ + } + +#define I4(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r2; \ + r2 &= r3; \ + r2 ^= r1; \ + r1 |= r3; \ + r1 &= r0; \ + r4 ^= r2; \ + r4 ^= r1; \ + r1 &= r2; \ + r0 = ~r0; \ + r3 ^= r4; \ + r1 ^= r3; \ + r3 &= r0; \ + r3 ^= r2; \ + r0 ^= r1; \ + r2 &= r0; \ + r3 ^= r0; \ + r2 ^= r4; \ + r2 |= r3; \ + r3 ^= r0; \ + r2 ^= r1; \ + } + +#define S5(i, r0, r1, r2, r3, r4) \ + { \ + r0 ^= r1; \ + r1 ^= r3; \ + r3 = ~r3; \ + r4 = r1; \ + r1 &= r0; \ + r2 ^= r3; \ + r1 ^= r2; \ + r2 |= r4; \ + r4 ^= r3; \ + r3 &= r1; \ + r3 ^= r0; \ + r4 ^= r1; \ + r4 ^= r2; \ + r2 ^= r0; \ + r0 &= r3; \ + r2 = ~r2; \ + r0 ^= r4; \ + r4 |= r3; \ + r2 ^= r4; \ + } + +#define I5(i, r0, r1, r2, r3, r4) \ + { \ + r1 = ~r1; \ + r4 = r3; \ + r2 ^= r1; \ + r3 |= r0; \ + r3 ^= r2; \ + r2 |= r1; \ + r2 &= r0; \ + r4 ^= r3; \ + r2 ^= r4; \ + r4 |= r0; \ + r4 ^= r1; \ + r1 &= r2; \ + r1 ^= r3; \ + r4 ^= r2; \ + r3 &= r4; \ + r4 ^= r1; \ + r3 ^= r0; \ + r3 ^= r4; \ + r4 = ~r4; \ + } + +#define S6(i, r0, r1, r2, r3, r4) \ + { \ + r2 = ~r2; \ + r4 = r3; \ + r3 &= r0; \ + r0 ^= r4; \ + r3 ^= r2; \ + r2 |= r4; \ + r1 ^= r3; \ + r2 ^= r0; \ + r0 |= r1; \ + r2 ^= r1; \ + r4 ^= r0; \ + r0 |= r3; \ + r0 ^= r2; \ + r4 ^= r3; \ + r4 ^= r0; \ + r3 = ~r3; \ + r2 &= r4; \ + r2 ^= r3; \ + } + +#define I6(i, r0, r1, r2, r3, r4) \ + { \ + r0 ^= r2; \ + r4 = r2; \ + r2 &= r0; \ + r4 ^= r3; \ + r2 = ~r2; \ + r3 ^= r1; \ + r2 ^= r3; \ + r4 |= r0; \ + r0 ^= r2; \ + r3 ^= r4; \ + r4 ^= r1; \ + r1 &= r3; \ + r1 ^= r0; \ + r0 ^= r3; \ + r0 |= r2; \ + r3 ^= r1; \ + r4 ^= r0; \ + } + +#define S7(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r2; \ + r2 &= r1; \ + r2 ^= r3; \ + r3 &= r1; \ + r4 ^= r2; \ + r2 ^= r1; \ + r1 ^= r0; \ + r0 |= r4; \ + r0 ^= r2; \ + r3 ^= r1; \ + r2 ^= r3; \ + r3 &= r0; \ + r3 ^= r4; \ + r4 ^= r2; \ + r2 &= r0; \ + r4 = ~r4; \ + r2 ^= r4; \ + r4 &= r0; \ + r1 ^= r3; \ + r4 ^= r1; \ + } + +#define I7(i, r0, r1, r2, r3, r4) \ + { \ + r4 = r2; \ + r2 ^= r0; \ + r0 &= r3; \ + r2 = ~r2; \ + r4 |= r3; \ + r3 ^= r1; \ + r1 |= r0; \ + r0 ^= r2; \ + r2 &= r4; \ + r1 ^= r2; \ + r2 ^= r0; \ + r0 |= r2; \ + r3 &= r4; \ + r0 ^= r3; \ + r4 ^= r1; \ + r3 ^= r4; \ + r4 |= r0; \ + r3 ^= r2; \ + r4 ^= r2; \ + } + +// key xor +#define KX(r, a, b, c, d, e) {\ + a ^= k[4 * r + 0]; \ + b ^= k[4 * r + 1]; \ + c ^= k[4 * r + 2]; \ + d ^= k[4 * r + 3];} + +#define LK(r, a, b, c, d, e) {\ + a = k[(8-r)*4 + 0]; \ + b = k[(8-r)*4 + 1]; \ + c = k[(8-r)*4 + 2]; \ + d = k[(8-r)*4 + 3];} + +#define SK(r, a, b, c, d, e) {\ + k[(8-r)*4 + 4] = a; \ + k[(8-r)*4 + 5] = b; \ + k[(8-r)*4 + 6] = c; \ + k[(8-r)*4 + 7] = d;} + +void Serpent_KeySchedule(word32 *k, unsigned int rounds, const byte *userKey, size_t keylen); + +NAMESPACE_END diff --git a/CryptoPP/sha.cpp b/CryptoPP/sha.cpp new file mode 100644 index 000000000..df947ad16 --- /dev/null +++ b/CryptoPP/sha.cpp @@ -0,0 +1,900 @@ +// sha.cpp - modified by Wei Dai from Steve Reid's public domain sha1.c + +// Steve Reid implemented SHA-1. Wei Dai implemented SHA-2. +// Both are in the public domain. + +// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM sha.cpp" to generate MASM code + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#include "sha.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +// start of Steve Reid's code + +#define blk0(i) (W[i] = data[i]) +#define blk1(i) (W[i&15] = rotlFixed(W[(i+13)&15]^W[(i+8)&15]^W[(i+2)&15]^W[i&15],1)) + +void SHA1::InitState(HashWordType *state) +{ + state[0] = 0x67452301L; + state[1] = 0xEFCDAB89L; + state[2] = 0x98BADCFEL; + state[3] = 0x10325476L; + state[4] = 0xC3D2E1F0L; +} + +#define f1(x,y,z) (z^(x&(y^z))) +#define f2(x,y,z) (x^y^z) +#define f3(x,y,z) ((x&y)|(z&(x|y))) +#define f4(x,y,z) (x^y^z) + +/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ +#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30); +#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30); +#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rotlFixed(v,5);w=rotlFixed(w,30); +#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rotlFixed(v,5);w=rotlFixed(w,30); +#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rotlFixed(v,5);w=rotlFixed(w,30); + +void SHA1::Transform(word32 *state, const word32 *data) +{ + word32 W[16]; + /* Copy context->state[] to working vars */ + word32 a = state[0]; + word32 b = state[1]; + word32 c = state[2]; + word32 d = state[3]; + word32 e = state[4]; + /* 4 rounds of 20 operations each. Loop unrolled. */ + R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); + R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); + R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); + R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); + R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); + R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); + R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); + R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); + R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); + R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); + R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); + R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); + R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); + R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); + R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); + R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); + R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); + R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); + R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); + R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); + /* Add the working vars back into context.state[] */ + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; +} + +// end of Steve Reid's code + +// ************************************************************* + +void SHA224::InitState(HashWordType *state) +{ + static const word32 s[8] = {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4}; + memcpy(state, s, sizeof(s)); +} + +void SHA256::InitState(HashWordType *state) +{ + static const word32 s[8] = {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19}; + memcpy(state, s, sizeof(s)); +} + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +CRYPTOPP_ALIGN_DATA(16) extern const word32 SHA256_K[64] CRYPTOPP_SECTION_ALIGN16 = { +#else +extern const word32 SHA256_K[64] = { +#endif + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM + +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_GENERATE_X64_MASM) + +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code + +static void CRYPTOPP_FASTCALL X86_SHA256_HashBlocks(word32 *state, const word32 *data, size_t len +#if defined(_MSC_VER) && (_MSC_VER == 1200) + , ... // VC60 workaround: prevent VC 6 from inlining this function +#endif + ) +{ +#if defined(_MSC_VER) && (_MSC_VER == 1200) + AS2(mov ecx, [state]) + AS2(mov edx, [data]) +#endif + + #define LOCALS_SIZE 8*4 + 16*4 + 4*WORD_SZ + #define H(i) [BASE+ASM_MOD(1024+7-(i),8)*4] + #define G(i) H(i+1) + #define F(i) H(i+2) + #define E(i) H(i+3) + #define D(i) H(i+4) + #define C(i) H(i+5) + #define B(i) H(i+6) + #define A(i) H(i+7) + #define Wt(i) BASE+8*4+ASM_MOD(1024+15-(i),16)*4 + #define Wt_2(i) Wt((i)-2) + #define Wt_15(i) Wt((i)-15) + #define Wt_7(i) Wt((i)-7) + #define K_END [BASE+8*4+16*4+0*WORD_SZ] + #define STATE_SAVE [BASE+8*4+16*4+1*WORD_SZ] + #define DATA_SAVE [BASE+8*4+16*4+2*WORD_SZ] + #define DATA_END [BASE+8*4+16*4+3*WORD_SZ] + #define Kt(i) WORD_REG(si)+(i)*4 +#if CRYPTOPP_BOOL_X86 + #define BASE esp+4 +#elif defined(__GNUC__) + #define BASE r8 +#else + #define BASE rsp +#endif + +#define RA0(i, edx, edi) \ + AS2( add edx, [Kt(i)] )\ + AS2( add edx, [Wt(i)] )\ + AS2( add edx, H(i) )\ + +#define RA1(i, edx, edi) + +#define RB0(i, edx, edi) + +#define RB1(i, edx, edi) \ + AS2( mov AS_REG_7d, [Wt_2(i)] )\ + AS2( mov edi, [Wt_15(i)])\ + AS2( mov ebx, AS_REG_7d )\ + AS2( shr AS_REG_7d, 10 )\ + AS2( ror ebx, 17 )\ + AS2( xor AS_REG_7d, ebx )\ + AS2( ror ebx, 2 )\ + AS2( xor ebx, AS_REG_7d )/* s1(W_t-2) */\ + AS2( add ebx, [Wt_7(i)])\ + AS2( mov AS_REG_7d, edi )\ + AS2( shr AS_REG_7d, 3 )\ + AS2( ror edi, 7 )\ + AS2( add ebx, [Wt(i)])/* s1(W_t-2) + W_t-7 + W_t-16 */\ + AS2( xor AS_REG_7d, edi )\ + AS2( add edx, [Kt(i)])\ + AS2( ror edi, 11 )\ + AS2( add edx, H(i) )\ + AS2( xor AS_REG_7d, edi )/* s0(W_t-15) */\ + AS2( add AS_REG_7d, ebx )/* W_t = s1(W_t-2) + W_t-7 + s0(W_t-15) W_t-16*/\ + AS2( mov [Wt(i)], AS_REG_7d)\ + AS2( add edx, AS_REG_7d )\ + +#define ROUND(i, r, eax, ecx, edi, edx)\ + /* in: edi = E */\ + /* unused: eax, ecx, temp: ebx, AS_REG_7d, out: edx = T1 */\ + AS2( mov edx, F(i) )\ + AS2( xor edx, G(i) )\ + AS2( and edx, edi )\ + AS2( xor edx, G(i) )/* Ch(E,F,G) = (G^(E&(F^G))) */\ + AS2( mov AS_REG_7d, edi )\ + AS2( ror edi, 6 )\ + AS2( ror AS_REG_7d, 25 )\ + RA##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\ + AS2( xor AS_REG_7d, edi )\ + AS2( ror edi, 5 )\ + AS2( xor AS_REG_7d, edi )/* S1(E) */\ + AS2( add edx, AS_REG_7d )/* T1 = S1(E) + Ch(E,F,G) + H + Wt + Kt */\ + RB##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\ + /* in: ecx = A, eax = B^C, edx = T1 */\ + /* unused: edx, temp: ebx, AS_REG_7d, out: eax = A, ecx = B^C, edx = E */\ + AS2( mov ebx, ecx )\ + AS2( xor ecx, B(i) )/* A^B */\ + AS2( and eax, ecx )\ + AS2( xor eax, B(i) )/* Maj(A,B,C) = B^((A^B)&(B^C) */\ + AS2( mov AS_REG_7d, ebx )\ + AS2( ror ebx, 2 )\ + AS2( add eax, edx )/* T1 + Maj(A,B,C) */\ + AS2( add edx, D(i) )\ + AS2( mov D(i), edx )\ + AS2( ror AS_REG_7d, 22 )\ + AS2( xor AS_REG_7d, ebx )\ + AS2( ror ebx, 11 )\ + AS2( xor AS_REG_7d, ebx )\ + AS2( add eax, AS_REG_7d )/* T1 + S0(A) + Maj(A,B,C) */\ + AS2( mov H(i), eax )\ + +#define SWAP_COPY(i) \ + AS2( mov WORD_REG(bx), [WORD_REG(dx)+i*WORD_SZ])\ + AS1( bswap WORD_REG(bx))\ + AS2( mov [Wt(i*(1+CRYPTOPP_BOOL_X64)+CRYPTOPP_BOOL_X64)], WORD_REG(bx)) + +#if defined(__GNUC__) + #if CRYPTOPP_BOOL_X64 + FixedSizeAlignedSecBlock<byte, LOCALS_SIZE> workspace; + #endif + __asm__ __volatile__ + ( + #if CRYPTOPP_BOOL_X64 + "lea %4, %%r8;" + #endif + ".intel_syntax noprefix;" +#elif defined(CRYPTOPP_GENERATE_X64_MASM) + ALIGN 8 + X86_SHA256_HashBlocks PROC FRAME + rex_push_reg rsi + push_reg rdi + push_reg rbx + push_reg rbp + alloc_stack(LOCALS_SIZE+8) + .endprolog + mov rdi, r8 + lea rsi, [?SHA256_K@CryptoPP@@3QBIB + 48*4] +#endif + +#if CRYPTOPP_BOOL_X86 + #ifndef __GNUC__ + AS2( mov edi, [len]) + AS2( lea WORD_REG(si), [SHA256_K+48*4]) + #endif + #if !defined(_MSC_VER) || (_MSC_VER < 1400) + AS_PUSH_IF86(bx) + #endif + + AS_PUSH_IF86(bp) + AS2( mov ebx, esp) + AS2( and esp, -16) + AS2( sub WORD_REG(sp), LOCALS_SIZE) + AS_PUSH_IF86(bx) +#endif + AS2( mov STATE_SAVE, WORD_REG(cx)) + AS2( mov DATA_SAVE, WORD_REG(dx)) + AS2( lea WORD_REG(ax), [WORD_REG(di) + WORD_REG(dx)]) + AS2( mov DATA_END, WORD_REG(ax)) + AS2( mov K_END, WORD_REG(si)) + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#if CRYPTOPP_BOOL_X86 + AS2( test edi, 1) + ASJ( jnz, 2, f) + AS1( dec DWORD PTR K_END) +#endif + AS2( movdqa xmm0, XMMWORD_PTR [WORD_REG(cx)+0*16]) + AS2( movdqa xmm1, XMMWORD_PTR [WORD_REG(cx)+1*16]) +#endif + +#if CRYPTOPP_BOOL_X86 +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + ASJ( jmp, 0, f) +#endif + ASL(2) // non-SSE2 + AS2( mov esi, ecx) + AS2( lea edi, A(0)) + AS2( mov ecx, 8) + AS1( rep movsd) + AS2( mov esi, K_END) + ASJ( jmp, 3, f) +#endif + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + ASL(0) + AS2( movdqa E(0), xmm1) + AS2( movdqa A(0), xmm0) +#endif +#if CRYPTOPP_BOOL_X86 + ASL(3) +#endif + AS2( sub WORD_REG(si), 48*4) + SWAP_COPY(0) SWAP_COPY(1) SWAP_COPY(2) SWAP_COPY(3) + SWAP_COPY(4) SWAP_COPY(5) SWAP_COPY(6) SWAP_COPY(7) +#if CRYPTOPP_BOOL_X86 + SWAP_COPY(8) SWAP_COPY(9) SWAP_COPY(10) SWAP_COPY(11) + SWAP_COPY(12) SWAP_COPY(13) SWAP_COPY(14) SWAP_COPY(15) +#endif + AS2( mov edi, E(0)) // E + AS2( mov eax, B(0)) // B + AS2( xor eax, C(0)) // B^C + AS2( mov ecx, A(0)) // A + + ROUND(0, 0, eax, ecx, edi, edx) + ROUND(1, 0, ecx, eax, edx, edi) + ROUND(2, 0, eax, ecx, edi, edx) + ROUND(3, 0, ecx, eax, edx, edi) + ROUND(4, 0, eax, ecx, edi, edx) + ROUND(5, 0, ecx, eax, edx, edi) + ROUND(6, 0, eax, ecx, edi, edx) + ROUND(7, 0, ecx, eax, edx, edi) + ROUND(8, 0, eax, ecx, edi, edx) + ROUND(9, 0, ecx, eax, edx, edi) + ROUND(10, 0, eax, ecx, edi, edx) + ROUND(11, 0, ecx, eax, edx, edi) + ROUND(12, 0, eax, ecx, edi, edx) + ROUND(13, 0, ecx, eax, edx, edi) + ROUND(14, 0, eax, ecx, edi, edx) + ROUND(15, 0, ecx, eax, edx, edi) + + ASL(1) + AS2(add WORD_REG(si), 4*16) + ROUND(0, 1, eax, ecx, edi, edx) + ROUND(1, 1, ecx, eax, edx, edi) + ROUND(2, 1, eax, ecx, edi, edx) + ROUND(3, 1, ecx, eax, edx, edi) + ROUND(4, 1, eax, ecx, edi, edx) + ROUND(5, 1, ecx, eax, edx, edi) + ROUND(6, 1, eax, ecx, edi, edx) + ROUND(7, 1, ecx, eax, edx, edi) + ROUND(8, 1, eax, ecx, edi, edx) + ROUND(9, 1, ecx, eax, edx, edi) + ROUND(10, 1, eax, ecx, edi, edx) + ROUND(11, 1, ecx, eax, edx, edi) + ROUND(12, 1, eax, ecx, edi, edx) + ROUND(13, 1, ecx, eax, edx, edi) + ROUND(14, 1, eax, ecx, edi, edx) + ROUND(15, 1, ecx, eax, edx, edi) + AS2( cmp WORD_REG(si), K_END) + ASJ( jb, 1, b) + + AS2( mov WORD_REG(dx), DATA_SAVE) + AS2( add WORD_REG(dx), 64) + AS2( mov AS_REG_7, STATE_SAVE) + AS2( mov DATA_SAVE, WORD_REG(dx)) + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#if CRYPTOPP_BOOL_X86 + AS2( test DWORD PTR K_END, 1) + ASJ( jz, 4, f) +#endif + AS2( movdqa xmm1, XMMWORD_PTR [AS_REG_7+1*16]) + AS2( movdqa xmm0, XMMWORD_PTR [AS_REG_7+0*16]) + AS2( paddd xmm1, E(0)) + AS2( paddd xmm0, A(0)) + AS2( movdqa [AS_REG_7+1*16], xmm1) + AS2( movdqa [AS_REG_7+0*16], xmm0) + AS2( cmp WORD_REG(dx), DATA_END) + ASJ( jb, 0, b) +#endif + +#if CRYPTOPP_BOOL_X86 +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + ASJ( jmp, 5, f) + ASL(4) // non-SSE2 +#endif + AS2( add [AS_REG_7+0*4], ecx) // A + AS2( add [AS_REG_7+4*4], edi) // E + AS2( mov eax, B(0)) + AS2( mov ebx, C(0)) + AS2( mov ecx, D(0)) + AS2( add [AS_REG_7+1*4], eax) + AS2( add [AS_REG_7+2*4], ebx) + AS2( add [AS_REG_7+3*4], ecx) + AS2( mov eax, F(0)) + AS2( mov ebx, G(0)) + AS2( mov ecx, H(0)) + AS2( add [AS_REG_7+5*4], eax) + AS2( add [AS_REG_7+6*4], ebx) + AS2( add [AS_REG_7+7*4], ecx) + AS2( mov ecx, AS_REG_7d) + AS2( cmp WORD_REG(dx), DATA_END) + ASJ( jb, 2, b) +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + ASL(5) +#endif +#endif + + AS_POP_IF86(sp) + AS_POP_IF86(bp) + #if !defined(_MSC_VER) || (_MSC_VER < 1400) + AS_POP_IF86(bx) + #endif + +#ifdef CRYPTOPP_GENERATE_X64_MASM + add rsp, LOCALS_SIZE+8 + pop rbp + pop rbx + pop rdi + pop rsi + ret + X86_SHA256_HashBlocks ENDP +#endif + +#ifdef __GNUC__ + ".att_syntax prefix;" + : + : "c" (state), "d" (data), "S" (SHA256_K+48), "D" (len) + #if CRYPTOPP_BOOL_X64 + , "m" (workspace[0]) + #endif + : "memory", "cc", "%eax" + #if CRYPTOPP_BOOL_X64 + , "%rbx", "%r8", "%r10" + #endif + ); +#endif +} + +#endif // #if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_GENERATE_X64_MASM) + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +void CRYPTOPP_FASTCALL X86_SHA256_HashBlocks(word32 *state, const word32 *data, size_t len); +} +#endif + +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) + +size_t SHA256::HashMultipleBlocks(const word32 *input, size_t length) +{ + X86_SHA256_HashBlocks(m_state, input, (length&(size_t(0)-BLOCKSIZE)) - !HasSSE2()); + return length % BLOCKSIZE; +} + +size_t SHA224::HashMultipleBlocks(const word32 *input, size_t length) +{ + X86_SHA256_HashBlocks(m_state, input, (length&(size_t(0)-BLOCKSIZE)) - !HasSSE2()); + return length % BLOCKSIZE; +} + +#endif + +#define blk2(i) (W[i&15]+=s1(W[(i-2)&15])+W[(i-7)&15]+s0(W[(i-15)&15])) + +#define Ch(x,y,z) (z^(x&(y^z))) +#define Maj(x,y,z) (y^((x^y)&(y^z))) + +#define a(i) T[(0-i)&7] +#define b(i) T[(1-i)&7] +#define c(i) T[(2-i)&7] +#define d(i) T[(3-i)&7] +#define e(i) T[(4-i)&7] +#define f(i) T[(5-i)&7] +#define g(i) T[(6-i)&7] +#define h(i) T[(7-i)&7] + +#define R(i) h(i)+=S1(e(i))+Ch(e(i),f(i),g(i))+SHA256_K[i+j]+(j?blk2(i):blk0(i));\ + d(i)+=h(i);h(i)+=S0(a(i))+Maj(a(i),b(i),c(i)) + +// for SHA256 +#define S0(x) (rotrFixed(x,2)^rotrFixed(x,13)^rotrFixed(x,22)) +#define S1(x) (rotrFixed(x,6)^rotrFixed(x,11)^rotrFixed(x,25)) +#define s0(x) (rotrFixed(x,7)^rotrFixed(x,18)^(x>>3)) +#define s1(x) (rotrFixed(x,17)^rotrFixed(x,19)^(x>>10)) + +void SHA256::Transform(word32 *state, const word32 *data) +{ + word32 W[16]; +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) + // this byte reverse is a waste of time, but this function is only called by MDC + ByteReverse(W, data, BLOCKSIZE); + X86_SHA256_HashBlocks(state, W, BLOCKSIZE - !HasSSE2()); +#else + word32 T[8]; + /* Copy context->state[] to working vars */ + memcpy(T, state, sizeof(T)); + /* 64 operations, partially loop unrolled */ + for (unsigned int j=0; j<64; j+=16) + { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + /* Add the working vars back into context.state[] */ + state[0] += a(0); + state[1] += b(0); + state[2] += c(0); + state[3] += d(0); + state[4] += e(0); + state[5] += f(0); + state[6] += g(0); + state[7] += h(0); +#endif +} + +/* +// smaller but slower +void SHA256::Transform(word32 *state, const word32 *data) +{ + word32 T[20]; + word32 W[32]; + unsigned int i = 0, j = 0; + word32 *t = T+8; + + memcpy(t, state, 8*4); + word32 e = t[4], a = t[0]; + + do + { + word32 w = data[j]; + W[j] = w; + w += SHA256_K[j]; + w += t[7]; + w += S1(e); + w += Ch(e, t[5], t[6]); + e = t[3] + w; + t[3] = t[3+8] = e; + w += S0(t[0]); + a = w + Maj(a, t[1], t[2]); + t[-1] = t[7] = a; + --t; + ++j; + if (j%8 == 0) + t += 8; + } while (j<16); + + do + { + i = j&0xf; + word32 w = s1(W[i+16-2]) + s0(W[i+16-15]) + W[i] + W[i+16-7]; + W[i+16] = W[i] = w; + w += SHA256_K[j]; + w += t[7]; + w += S1(e); + w += Ch(e, t[5], t[6]); + e = t[3] + w; + t[3] = t[3+8] = e; + w += S0(t[0]); + a = w + Maj(a, t[1], t[2]); + t[-1] = t[7] = a; + + w = s1(W[(i+1)+16-2]) + s0(W[(i+1)+16-15]) + W[(i+1)] + W[(i+1)+16-7]; + W[(i+1)+16] = W[(i+1)] = w; + w += SHA256_K[j+1]; + w += (t-1)[7]; + w += S1(e); + w += Ch(e, (t-1)[5], (t-1)[6]); + e = (t-1)[3] + w; + (t-1)[3] = (t-1)[3+8] = e; + w += S0((t-1)[0]); + a = w + Maj(a, (t-1)[1], (t-1)[2]); + (t-1)[-1] = (t-1)[7] = a; + + t-=2; + j+=2; + if (j%8 == 0) + t += 8; + } while (j<64); + + state[0] += a; + state[1] += t[1]; + state[2] += t[2]; + state[3] += t[3]; + state[4] += e; + state[5] += t[5]; + state[6] += t[6]; + state[7] += t[7]; +} +*/ + +#undef S0 +#undef S1 +#undef s0 +#undef s1 +#undef R + +// ************************************************************* + +void SHA384::InitState(HashWordType *state) +{ + static const word64 s[8] = { + W64LIT(0xcbbb9d5dc1059ed8), W64LIT(0x629a292a367cd507), + W64LIT(0x9159015a3070dd17), W64LIT(0x152fecd8f70e5939), + W64LIT(0x67332667ffc00b31), W64LIT(0x8eb44a8768581511), + W64LIT(0xdb0c2e0d64f98fa7), W64LIT(0x47b5481dbefa4fa4)}; + memcpy(state, s, sizeof(s)); +} + +void SHA512::InitState(HashWordType *state) +{ + static const word64 s[8] = { + W64LIT(0x6a09e667f3bcc908), W64LIT(0xbb67ae8584caa73b), + W64LIT(0x3c6ef372fe94f82b), W64LIT(0xa54ff53a5f1d36f1), + W64LIT(0x510e527fade682d1), W64LIT(0x9b05688c2b3e6c1f), + W64LIT(0x1f83d9abfb41bd6b), W64LIT(0x5be0cd19137e2179)}; + memcpy(state, s, sizeof(s)); +} + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 +CRYPTOPP_ALIGN_DATA(16) static const word64 SHA512_K[80] CRYPTOPP_SECTION_ALIGN16 = { +#else +static const word64 SHA512_K[80] = { +#endif + W64LIT(0x428a2f98d728ae22), W64LIT(0x7137449123ef65cd), + W64LIT(0xb5c0fbcfec4d3b2f), W64LIT(0xe9b5dba58189dbbc), + W64LIT(0x3956c25bf348b538), W64LIT(0x59f111f1b605d019), + W64LIT(0x923f82a4af194f9b), W64LIT(0xab1c5ed5da6d8118), + W64LIT(0xd807aa98a3030242), W64LIT(0x12835b0145706fbe), + W64LIT(0x243185be4ee4b28c), W64LIT(0x550c7dc3d5ffb4e2), + W64LIT(0x72be5d74f27b896f), W64LIT(0x80deb1fe3b1696b1), + W64LIT(0x9bdc06a725c71235), W64LIT(0xc19bf174cf692694), + W64LIT(0xe49b69c19ef14ad2), W64LIT(0xefbe4786384f25e3), + W64LIT(0x0fc19dc68b8cd5b5), W64LIT(0x240ca1cc77ac9c65), + W64LIT(0x2de92c6f592b0275), W64LIT(0x4a7484aa6ea6e483), + W64LIT(0x5cb0a9dcbd41fbd4), W64LIT(0x76f988da831153b5), + W64LIT(0x983e5152ee66dfab), W64LIT(0xa831c66d2db43210), + W64LIT(0xb00327c898fb213f), W64LIT(0xbf597fc7beef0ee4), + W64LIT(0xc6e00bf33da88fc2), W64LIT(0xd5a79147930aa725), + W64LIT(0x06ca6351e003826f), W64LIT(0x142929670a0e6e70), + W64LIT(0x27b70a8546d22ffc), W64LIT(0x2e1b21385c26c926), + W64LIT(0x4d2c6dfc5ac42aed), W64LIT(0x53380d139d95b3df), + W64LIT(0x650a73548baf63de), W64LIT(0x766a0abb3c77b2a8), + W64LIT(0x81c2c92e47edaee6), W64LIT(0x92722c851482353b), + W64LIT(0xa2bfe8a14cf10364), W64LIT(0xa81a664bbc423001), + W64LIT(0xc24b8b70d0f89791), W64LIT(0xc76c51a30654be30), + W64LIT(0xd192e819d6ef5218), W64LIT(0xd69906245565a910), + W64LIT(0xf40e35855771202a), W64LIT(0x106aa07032bbd1b8), + W64LIT(0x19a4c116b8d2d0c8), W64LIT(0x1e376c085141ab53), + W64LIT(0x2748774cdf8eeb99), W64LIT(0x34b0bcb5e19b48a8), + W64LIT(0x391c0cb3c5c95a63), W64LIT(0x4ed8aa4ae3418acb), + W64LIT(0x5b9cca4f7763e373), W64LIT(0x682e6ff3d6b2b8a3), + W64LIT(0x748f82ee5defb2fc), W64LIT(0x78a5636f43172f60), + W64LIT(0x84c87814a1f0ab72), W64LIT(0x8cc702081a6439ec), + W64LIT(0x90befffa23631e28), W64LIT(0xa4506cebde82bde9), + W64LIT(0xbef9a3f7b2c67915), W64LIT(0xc67178f2e372532b), + W64LIT(0xca273eceea26619c), W64LIT(0xd186b8c721c0c207), + W64LIT(0xeada7dd6cde0eb1e), W64LIT(0xf57d4f7fee6ed178), + W64LIT(0x06f067aa72176fba), W64LIT(0x0a637dc5a2c898a6), + W64LIT(0x113f9804bef90dae), W64LIT(0x1b710b35131c471b), + W64LIT(0x28db77f523047d84), W64LIT(0x32caab7b40c72493), + W64LIT(0x3c9ebe0a15c9bebc), W64LIT(0x431d67c49c100d4c), + W64LIT(0x4cc5d4becb3e42b6), W64LIT(0x597f299cfc657e2a), + W64LIT(0x5fcb6fab3ad6faec), W64LIT(0x6c44198c4a475817) +}; + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 +// put assembly version in separate function, otherwise MSVC 2005 SP1 doesn't generate correct code for the non-assembly version +CRYPTOPP_NAKED static void CRYPTOPP_FASTCALL SHA512_SSE2_Transform(word64 *state, const word64 *data) +{ +#ifdef __GNUC__ + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + AS1( push ebx) + AS2( mov ebx, eax) +#else + AS1( push ebx) + AS1( push esi) + AS1( push edi) + AS2( lea ebx, SHA512_K) +#endif + + AS2( mov eax, esp) + AS2( and esp, 0xfffffff0) + AS2( sub esp, 27*16) // 17*16 for expanded data, 20*8 for state + AS1( push eax) + AS2( xor eax, eax) + AS2( lea edi, [esp+4+8*8]) // start at middle of state buffer. will decrement pointer each round to avoid copying + AS2( lea esi, [esp+4+20*8+8]) // 16-byte alignment, then add 8 + + AS2( movdqa xmm0, [ecx+0*16]) + AS2( movdq2q mm4, xmm0) + AS2( movdqa [edi+0*16], xmm0) + AS2( movdqa xmm0, [ecx+1*16]) + AS2( movdqa [edi+1*16], xmm0) + AS2( movdqa xmm0, [ecx+2*16]) + AS2( movdq2q mm5, xmm0) + AS2( movdqa [edi+2*16], xmm0) + AS2( movdqa xmm0, [ecx+3*16]) + AS2( movdqa [edi+3*16], xmm0) + ASJ( jmp, 0, f) + +#define SSE2_S0_S1(r, a, b, c) \ + AS2( movq mm6, r)\ + AS2( psrlq r, a)\ + AS2( movq mm7, r)\ + AS2( psllq mm6, 64-c)\ + AS2( pxor mm7, mm6)\ + AS2( psrlq r, b-a)\ + AS2( pxor mm7, r)\ + AS2( psllq mm6, c-b)\ + AS2( pxor mm7, mm6)\ + AS2( psrlq r, c-b)\ + AS2( pxor r, mm7)\ + AS2( psllq mm6, b-a)\ + AS2( pxor r, mm6) + +#define SSE2_s0(r, a, b, c) \ + AS2( movdqa xmm6, r)\ + AS2( psrlq r, a)\ + AS2( movdqa xmm7, r)\ + AS2( psllq xmm6, 64-c)\ + AS2( pxor xmm7, xmm6)\ + AS2( psrlq r, b-a)\ + AS2( pxor xmm7, r)\ + AS2( psrlq r, c-b)\ + AS2( pxor r, xmm7)\ + AS2( psllq xmm6, c-a)\ + AS2( pxor r, xmm6) + +#define SSE2_s1(r, a, b, c) \ + AS2( movdqa xmm6, r)\ + AS2( psrlq r, a)\ + AS2( movdqa xmm7, r)\ + AS2( psllq xmm6, 64-c)\ + AS2( pxor xmm7, xmm6)\ + AS2( psrlq r, b-a)\ + AS2( pxor xmm7, r)\ + AS2( psllq xmm6, c-b)\ + AS2( pxor xmm7, xmm6)\ + AS2( psrlq r, c-b)\ + AS2( pxor r, xmm7) + + ASL(SHA512_Round) + // k + w is in mm0, a is in mm4, e is in mm5 + AS2( paddq mm0, [edi+7*8]) // h + AS2( movq mm2, [edi+5*8]) // f + AS2( movq mm3, [edi+6*8]) // g + AS2( pxor mm2, mm3) + AS2( pand mm2, mm5) + SSE2_S0_S1(mm5,14,18,41) + AS2( pxor mm2, mm3) + AS2( paddq mm0, mm2) // h += Ch(e,f,g) + AS2( paddq mm5, mm0) // h += S1(e) + AS2( movq mm2, [edi+1*8]) // b + AS2( movq mm1, mm2) + AS2( por mm2, mm4) + AS2( pand mm2, [edi+2*8]) // c + AS2( pand mm1, mm4) + AS2( por mm1, mm2) + AS2( paddq mm1, mm5) // temp = h + Maj(a,b,c) + AS2( paddq mm5, [edi+3*8]) // e = d + h + AS2( movq [edi+3*8], mm5) + AS2( movq [edi+11*8], mm5) + SSE2_S0_S1(mm4,28,34,39) // S0(a) + AS2( paddq mm4, mm1) // a = temp + S0(a) + AS2( movq [edi-8], mm4) + AS2( movq [edi+7*8], mm4) + AS1( ret) + + // first 16 rounds + ASL(0) + AS2( movq mm0, [edx+eax*8]) + AS2( movq [esi+eax*8], mm0) + AS2( movq [esi+eax*8+16*8], mm0) + AS2( paddq mm0, [ebx+eax*8]) + ASC( call, SHA512_Round) + AS1( inc eax) + AS2( sub edi, 8) + AS2( test eax, 7) + ASJ( jnz, 0, b) + AS2( add edi, 8*8) + AS2( cmp eax, 16) + ASJ( jne, 0, b) + + // rest of the rounds + AS2( movdqu xmm0, [esi+(16-2)*8]) + ASL(1) + // data expansion, W[i-2] already in xmm0 + AS2( movdqu xmm3, [esi]) + AS2( paddq xmm3, [esi+(16-7)*8]) + AS2( movdqa xmm2, [esi+(16-15)*8]) + SSE2_s1(xmm0, 6, 19, 61) + AS2( paddq xmm0, xmm3) + SSE2_s0(xmm2, 1, 7, 8) + AS2( paddq xmm0, xmm2) + AS2( movdq2q mm0, xmm0) + AS2( movhlps xmm1, xmm0) + AS2( paddq mm0, [ebx+eax*8]) + AS2( movlps [esi], xmm0) + AS2( movlps [esi+8], xmm1) + AS2( movlps [esi+8*16], xmm0) + AS2( movlps [esi+8*17], xmm1) + // 2 rounds + ASC( call, SHA512_Round) + AS2( sub edi, 8) + AS2( movdq2q mm0, xmm1) + AS2( paddq mm0, [ebx+eax*8+8]) + ASC( call, SHA512_Round) + // update indices and loop + AS2( add esi, 16) + AS2( add eax, 2) + AS2( sub edi, 8) + AS2( test eax, 7) + ASJ( jnz, 1, b) + // do housekeeping every 8 rounds + AS2( mov esi, 0xf) + AS2( and esi, eax) + AS2( lea esi, [esp+4+20*8+8+esi*8]) + AS2( add edi, 8*8) + AS2( cmp eax, 80) + ASJ( jne, 1, b) + +#define SSE2_CombineState(i) \ + AS2( movdqa xmm0, [edi+i*16])\ + AS2( paddq xmm0, [ecx+i*16])\ + AS2( movdqa [ecx+i*16], xmm0) + + SSE2_CombineState(0) + SSE2_CombineState(1) + SSE2_CombineState(2) + SSE2_CombineState(3) + + AS1( pop esp) + AS1( emms) + +#if defined(__GNUC__) + AS1( pop ebx) + ".att_syntax prefix;" + : + : "a" (SHA512_K), "c" (state), "d" (data) + : "%esi", "%edi", "memory", "cc" + ); +#else + AS1( pop edi) + AS1( pop esi) + AS1( pop ebx) + AS1( ret) +#endif +} +#endif // #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + +void SHA512::Transform(word64 *state, const word64 *data) +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 + if (HasSSE2()) + { + SHA512_SSE2_Transform(state, data); + return; + } +#endif + +#define S0(x) (rotrFixed(x,28)^rotrFixed(x,34)^rotrFixed(x,39)) +#define S1(x) (rotrFixed(x,14)^rotrFixed(x,18)^rotrFixed(x,41)) +#define s0(x) (rotrFixed(x,1)^rotrFixed(x,8)^(x>>7)) +#define s1(x) (rotrFixed(x,19)^rotrFixed(x,61)^(x>>6)) + +#define R(i) h(i)+=S1(e(i))+Ch(e(i),f(i),g(i))+SHA512_K[i+j]+(j?blk2(i):blk0(i));\ + d(i)+=h(i);h(i)+=S0(a(i))+Maj(a(i),b(i),c(i)) + + word64 W[16]; + word64 T[8]; + /* Copy context->state[] to working vars */ + memcpy(T, state, sizeof(T)); + /* 80 operations, partially loop unrolled */ + for (unsigned int j=0; j<80; j+=16) + { + R( 0); R( 1); R( 2); R( 3); + R( 4); R( 5); R( 6); R( 7); + R( 8); R( 9); R(10); R(11); + R(12); R(13); R(14); R(15); + } + /* Add the working vars back into context.state[] */ + state[0] += a(0); + state[1] += b(0); + state[2] += c(0); + state[3] += d(0); + state[4] += e(0); + state[5] += f(0); + state[6] += g(0); + state[7] += h(0); +} + +NAMESPACE_END + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM +#endif // #ifndef CRYPTOPP_IMPORTS diff --git a/CryptoPP/sha.h b/CryptoPP/sha.h new file mode 100644 index 000000000..679081e8f --- /dev/null +++ b/CryptoPP/sha.h @@ -0,0 +1,63 @@ +#ifndef CRYPTOPP_SHA_H +#define CRYPTOPP_SHA_H + +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// <a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a> +class CRYPTOPP_DLL SHA1 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 20, SHA1> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-1";} +}; + +typedef SHA1 SHA; // for backwards compatibility + +//! implements the SHA-256 standard +class CRYPTOPP_DLL SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA256, 32, true> +{ +public: +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) + size_t HashMultipleBlocks(const word32 *input, size_t length); +#endif + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-256";} +}; + +//! implements the SHA-224 standard +class CRYPTOPP_DLL SHA224 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, 32, SHA224, 28, true> +{ +public: +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_X64_MASM_AVAILABLE) + size_t HashMultipleBlocks(const word32 *input, size_t length); +#endif + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word32 *digest, const word32 *data) {SHA256::Transform(digest, data);} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-224";} +}; + +//! implements the SHA-512 standard +class CRYPTOPP_DLL SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA512, 64, CRYPTOPP_BOOL_X86> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word64 *digest, const word64 *data); + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-512";} +}; + +//! implements the SHA-384 standard +class CRYPTOPP_DLL SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, 64, SHA384, 48, CRYPTOPP_BOOL_X86> +{ +public: + static void CRYPTOPP_API InitState(HashWordType *state); + static void CRYPTOPP_API Transform(word64 *digest, const word64 *data) {SHA512::Transform(digest, data);} + static const char * CRYPTOPP_API StaticAlgorithmName() {return "SHA-384";} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/shacal2.cpp b/CryptoPP/shacal2.cpp new file mode 100644 index 000000000..b0360e404 --- /dev/null +++ b/CryptoPP/shacal2.cpp @@ -0,0 +1,140 @@ +// shacal2.cpp - by Kevin Springle, 2003 +// +// Portions of this code were derived from +// Wei Dai's implementation of SHA-2 +// +// The original code and all modifications are in the public domain. + +#include "pch.h" +#include "shacal2.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +// SHACAL-2 function and round definitions + +#define S0(x) (rotrFixed(x,2)^rotrFixed(x,13)^rotrFixed(x,22)) +#define S1(x) (rotrFixed(x,6)^rotrFixed(x,11)^rotrFixed(x,25)) +#define s0(x) (rotrFixed(x,7)^rotrFixed(x,18)^(x>>3)) +#define s1(x) (rotrFixed(x,17)^rotrFixed(x,19)^(x>>10)) + +#define Ch(x,y,z) (z^(x&(y^z))) +#define Maj(x,y,z) ((x&y)|(z&(x|y))) + +/* R is the SHA-256 round function. */ +/* This macro increments the k argument as a side effect. */ +#define R(a,b,c,d,e,f,g,h,k) \ + h+=S1(e)+Ch(e,f,g)+*k++;d+=h;h+=S0(a)+Maj(a,b,c); + +/* P is the inverse of the SHA-256 round function. */ +/* This macro decrements the k argument as a side effect. */ +#define P(a,b,c,d,e,f,g,h,k) \ + h-=S0(a)+Maj(a,b,c);d-=h;h-=S1(e)+Ch(e,f,g)+*--k; + +void SHACAL2::Base::UncheckedSetKey(const byte *userKey, unsigned int keylen, const NameValuePairs &) +{ + AssertValidKeyLength(keylen); + + word32 *rk = m_key; + unsigned int i; + + GetUserKey(BIG_ENDIAN_ORDER, rk, m_key.size(), userKey, keylen); + for (i = 0; i < 48; i++, rk++) + { + rk[16] = rk[0] + s0(rk[1]) + rk[9] + s1(rk[14]); + rk[0] += K[i]; + } + for (i = 48; i < 64; i++, rk++) + { + rk[0] += K[i]; + } +} + +typedef BlockGetAndPut<word32, BigEndian> Block; + +void SHACAL2::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 a, b, c, d, e, f, g, h; + const word32 *rk = m_key; + + /* + * map byte array block to cipher state: + */ + Block::Get(inBlock)(a)(b)(c)(d)(e)(f)(g)(h); + + // Perform SHA-256 transformation. + + /* 64 operations, partially loop unrolled */ + for (unsigned int j=0; j<64; j+=8) + { + R(a,b,c,d,e,f,g,h,rk); + R(h,a,b,c,d,e,f,g,rk); + R(g,h,a,b,c,d,e,f,rk); + R(f,g,h,a,b,c,d,e,rk); + R(e,f,g,h,a,b,c,d,rk); + R(d,e,f,g,h,a,b,c,rk); + R(c,d,e,f,g,h,a,b,rk); + R(b,c,d,e,f,g,h,a,rk); + } + + /* + * map cipher state to byte array block: + */ + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d)(e)(f)(g)(h); +} + +void SHACAL2::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 a, b, c, d, e, f, g, h; + const word32 *rk = m_key + 64; + + /* + * map byte array block to cipher state: + */ + Block::Get(inBlock)(a)(b)(c)(d)(e)(f)(g)(h); + + // Perform inverse SHA-256 transformation. + + /* 64 operations, partially loop unrolled */ + for (unsigned int j=0; j<64; j+=8) + { + P(b,c,d,e,f,g,h,a,rk); + P(c,d,e,f,g,h,a,b,rk); + P(d,e,f,g,h,a,b,c,rk); + P(e,f,g,h,a,b,c,d,rk); + P(f,g,h,a,b,c,d,e,rk); + P(g,h,a,b,c,d,e,f,rk); + P(h,a,b,c,d,e,f,g,rk); + P(a,b,c,d,e,f,g,h,rk); + } + + /* + * map cipher state to byte array block: + */ + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d)(e)(f)(g)(h); +} + +// The SHACAL-2 round constants are identical to the SHA-256 round constants. +const word32 SHACAL2::Base::K[64] = +{ + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +}; + +NAMESPACE_END diff --git a/CryptoPP/shacal2.h b/CryptoPP/shacal2.h new file mode 100644 index 000000000..66c987fd7 --- /dev/null +++ b/CryptoPP/shacal2.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_SHACAL2_H +#define CRYPTOPP_SHACAL2_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct SHACAL2_Info : public FixedBlockSize<32>, public VariableKeyLength<16, 16, 64> +{ + static const char *StaticAlgorithmName() {return "SHACAL-2";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SHACAL-2">SHACAL-2</a> +class SHACAL2 : public SHACAL2_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHACAL2_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + FixedSizeSecBlock<word32, 64> m_key; + + static const word32 K[64]; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef SHACAL2::Encryption SHACAL2Encryption; +typedef SHACAL2::Decryption SHACAL2Decryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/shark.cpp b/CryptoPP/shark.cpp new file mode 100644 index 000000000..361147e23 --- /dev/null +++ b/CryptoPP/shark.cpp @@ -0,0 +1,136 @@ +// shark.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "shark.h" +#include "misc.h" +#include "modes.h" +#include "gf256.h" + +NAMESPACE_BEGIN(CryptoPP) + +static word64 SHARKTransform(word64 a) +{ + static const byte iG[8][8] = { + 0xe7, 0x30, 0x90, 0x85, 0xd0, 0x4b, 0x91, 0x41, + 0x53, 0x95, 0x9b, 0xa5, 0x96, 0xbc, 0xa1, 0x68, + 0x02, 0x45, 0xf7, 0x65, 0x5c, 0x1f, 0xb6, 0x52, + 0xa2, 0xca, 0x22, 0x94, 0x44, 0x63, 0x2a, 0xa2, + 0xfc, 0x67, 0x8e, 0x10, 0x29, 0x75, 0x85, 0x71, + 0x24, 0x45, 0xa2, 0xcf, 0x2f, 0x22, 0xc1, 0x0e, + 0xa1, 0xf1, 0x71, 0x40, 0x91, 0x27, 0x18, 0xa5, + 0x56, 0xf4, 0xaf, 0x32, 0xd2, 0xa4, 0xdc, 0x71, + }; + + word64 result=0; + GF256 gf256(0xf5); + for (unsigned int i=0; i<8; i++) + for(unsigned int j=0; j<8; j++) + result ^= word64(gf256.Multiply(iG[i][j], GF256::Element(a>>(56-8*j)))) << (56-8*i); + return result; +} + +void SHARK::Base::UncheckedSetKey(const byte *key, unsigned int keyLen, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(keyLen); + + m_rounds = GetRoundsAndThrowIfInvalid(params, this); + m_roundKeys.New(m_rounds+1); + + // concatenate key enought times to fill a + for (unsigned int i=0; i<(m_rounds+1)*8; i++) + ((byte *)m_roundKeys.begin())[i] = key[i%keyLen]; + + SHARK::Encryption e; + e.InitForKeySetup(); + byte IV[8] = {0,0,0,0,0,0,0,0}; + CFB_Mode_ExternalCipher::Encryption cfb(e, IV); + + cfb.ProcessString((byte *)m_roundKeys.begin(), (m_rounds+1)*8); + + ConditionalByteReverse(BIG_ENDIAN_ORDER, m_roundKeys.begin(), m_roundKeys.begin(), (m_rounds+1)*8); + + m_roundKeys[m_rounds] = SHARKTransform(m_roundKeys[m_rounds]); + + if (!IsForwardTransformation()) + { + unsigned int i; + + // transform encryption round keys into decryption round keys + for (i=0; i<m_rounds/2; i++) + std::swap(m_roundKeys[i], m_roundKeys[m_rounds-i]); + + for (i=1; i<m_rounds; i++) + m_roundKeys[i] = SHARKTransform(m_roundKeys[i]); + } + +#ifdef IS_LITTLE_ENDIAN + m_roundKeys[0] = ByteReverse(m_roundKeys[0]); + m_roundKeys[m_rounds] = ByteReverse(m_roundKeys[m_rounds]); +#endif +} + +// construct an SHARK_Enc object with fixed round keys, to be used to initialize actual round keys +void SHARK::Enc::InitForKeySetup() +{ + m_rounds = DEFAULT_ROUNDS; + m_roundKeys.New(DEFAULT_ROUNDS+1); + + for (unsigned int i=0; i<DEFAULT_ROUNDS; i++) + m_roundKeys[i] = cbox[0][i]; + + m_roundKeys[DEFAULT_ROUNDS] = SHARKTransform(cbox[0][DEFAULT_ROUNDS]); + +#ifdef IS_LITTLE_ENDIAN + m_roundKeys[0] = ByteReverse(m_roundKeys[0]); + m_roundKeys[m_rounds] = ByteReverse(m_roundKeys[m_rounds]); +#endif +} + +typedef word64 ArrayOf256Word64s[256]; + +template <const byte *sbox, const ArrayOf256Word64s *cbox> +struct SharkProcessAndXorBlock{ // VC60 workaround: problem with template functions +inline SharkProcessAndXorBlock(const word64 *roundKeys, unsigned int rounds, const byte *inBlock, const byte *xorBlock, byte *outBlock) +{ + word64 tmp = *(word64 *)inBlock ^ roundKeys[0]; + + ByteOrder order = GetNativeByteOrder(); + tmp = cbox[0][GetByte(order, tmp, 0)] ^ cbox[1][GetByte(order, tmp, 1)] + ^ cbox[2][GetByte(order, tmp, 2)] ^ cbox[3][GetByte(order, tmp, 3)] + ^ cbox[4][GetByte(order, tmp, 4)] ^ cbox[5][GetByte(order, tmp, 5)] + ^ cbox[6][GetByte(order, tmp, 6)] ^ cbox[7][GetByte(order, tmp, 7)] + ^ roundKeys[1]; + + for(unsigned int i=2; i<rounds; i++) + { + tmp = cbox[0][GETBYTE(tmp, 7)] ^ cbox[1][GETBYTE(tmp, 6)] + ^ cbox[2][GETBYTE(tmp, 5)] ^ cbox[3][GETBYTE(tmp, 4)] + ^ cbox[4][GETBYTE(tmp, 3)] ^ cbox[5][GETBYTE(tmp, 2)] + ^ cbox[6][GETBYTE(tmp, 1)] ^ cbox[7][GETBYTE(tmp, 0)] + ^ roundKeys[i]; + } + + PutBlock<byte, BigEndian>(xorBlock, outBlock) + (sbox[GETBYTE(tmp, 7)]) + (sbox[GETBYTE(tmp, 6)]) + (sbox[GETBYTE(tmp, 5)]) + (sbox[GETBYTE(tmp, 4)]) + (sbox[GETBYTE(tmp, 3)]) + (sbox[GETBYTE(tmp, 2)]) + (sbox[GETBYTE(tmp, 1)]) + (sbox[GETBYTE(tmp, 0)]); + + *(word64 *)outBlock ^= roundKeys[rounds]; +}}; + +void SHARK::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + SharkProcessAndXorBlock<sbox, cbox>(m_roundKeys, m_rounds, inBlock, xorBlock, outBlock); +} + +void SHARK::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + SharkProcessAndXorBlock<sbox, cbox>(m_roundKeys, m_rounds, inBlock, xorBlock, outBlock); +} + +NAMESPACE_END diff --git a/CryptoPP/shark.h b/CryptoPP/shark.h new file mode 100644 index 000000000..8d5ce9ba2 --- /dev/null +++ b/CryptoPP/shark.h @@ -0,0 +1,65 @@ +#ifndef CRYPTOPP_SHARK_H +#define CRYPTOPP_SHARK_H + +/** \file +*/ + +#include "config.h" +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct SHARK_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 16>, public VariableRounds<6, 2> +{ + static const char *StaticAlgorithmName() {return "SHARK-E";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SHARK-E">SHARK-E</a> +class SHARK : public SHARK_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHARK_Info> + { + public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶m); + + protected: + unsigned int m_rounds; + SecBlock<word64> m_roundKeys; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + // used by Base to do key setup + void InitForKeySetup(); + + private: + static const byte sbox[256]; + static const word64 cbox[8][256]; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + + private: + static const byte sbox[256]; + static const word64 cbox[8][256]; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef SHARK::Encryption SHARKEncryption; +typedef SHARK::Decryption SHARKDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/sharkbox.cpp b/CryptoPP/sharkbox.cpp new file mode 100644 index 000000000..a0ff31f8d --- /dev/null +++ b/CryptoPP/sharkbox.cpp @@ -0,0 +1,4162 @@ +#include "pch.h" +#include "shark.h" + +NAMESPACE_BEGIN(CryptoPP) + +const byte SHARK::Enc::sbox[256] = { +177, 206, 195, 149, 90, 173, 231, 2, 77, 68, 251, 145, 12, 135, 161, 80, +203, 103, 84, 221, 70, 143, 225, 78, 240, 253, 252, 235, 249, 196, 26, 110, + 94, 245, 204, 141, 28, 86, 67, 254, 7, 97, 248, 117, 89, 255, 3, 34, +138, 209, 19, 238, 136, 0, 14, 52, 21, 128, 148, 227, 237, 181, 83, 35, + 75, 71, 23, 167, 144, 53, 171, 216, 184, 223, 79, 87, 154, 146, 219, 27, + 60, 200, 153, 4, 142, 224, 215, 125, 133, 187, 64, 44, 58, 69, 241, 66, +101, 32, 65, 24, 114, 37, 147, 112, 54, 5, 242, 11, 163, 121, 236, 8, + 39, 49, 50, 182, 124, 176, 10, 115, 91, 123, 183, 129, 210, 13, 106, 38, +158, 88, 156, 131, 116, 179, 172, 48, 122, 105, 119, 15, 174, 33, 222, 208, + 46, 151, 16, 164, 152, 168, 212, 104, 45, 98, 41, 109, 22, 73, 118, 199, +232, 193, 150, 55, 229, 202, 244, 233, 99, 18, 194, 166, 20, 188, 211, 40, +175, 47, 230, 36, 82, 198, 160, 9, 189, 140, 207, 93, 17, 95, 1, 197, +159, 61, 162, 155, 201, 59, 190, 81, 25, 31, 63, 92, 178, 239, 74, 205, +191, 186, 111, 100, 217, 243, 62, 180, 170, 220, 213, 6, 192, 126, 246, 102, +108, 132, 113, 56, 185, 29, 127, 157, 72, 139, 42, 218, 165, 51, 130, 57, +214, 120, 134, 250, 228, 43, 169, 30, 137, 96, 107, 234, 85, 76, 247, 226, +}; + +const byte SHARK::Dec::sbox[256] = { + 53, 190, 7, 46, 83, 105, 219, 40, 111, 183, 118, 107, 12, 125, 54, 139, +146, 188, 169, 50, 172, 56, 156, 66, 99, 200, 30, 79, 36, 229, 247, 201, + 97, 141, 47, 63, 179, 101, 127, 112, 175, 154, 234, 245, 91, 152, 144, 177, +135, 113, 114, 237, 55, 69, 104, 163, 227, 239, 92, 197, 80, 193, 214, 202, + 90, 98, 95, 38, 9, 93, 20, 65, 232, 157, 206, 64, 253, 8, 23, 74, + 15, 199, 180, 62, 18, 252, 37, 75, 129, 44, 4, 120, 203, 187, 32, 189, +249, 41, 153, 168, 211, 96, 223, 17, 151, 137, 126, 250, 224, 155, 31, 210, +103, 226, 100, 119, 132, 43, 158, 138, 241, 109, 136, 121, 116, 87, 221, 230, + 57, 123, 238, 131, 225, 88, 242, 13, 52, 248, 48, 233, 185, 35, 84, 21, + 68, 11, 77, 102, 58, 3, 162, 145, 148, 82, 76, 195, 130, 231, 128, 192, +182, 14, 194, 108, 147, 236, 171, 67, 149, 246, 216, 70, 134, 5, 140, 176, +117, 0, 204, 133, 215, 61, 115, 122, 72, 228, 209, 89, 173, 184, 198, 208, +220, 161, 170, 2, 29, 191, 181, 159, 81, 196, 165, 16, 34, 207, 1, 186, +143, 49, 124, 174, 150, 218, 240, 86, 71, 212, 235, 78, 217, 19, 142, 73, + 85, 22, 255, 59, 244, 164, 178, 6, 160, 167, 251, 27, 110, 60, 51, 205, + 24, 94, 106, 213, 166, 33, 222, 254, 42, 28, 243, 10, 26, 25, 39, 45, +}; + +const word64 SHARK::Enc::cbox[8][256] = { +/* box 0 */ 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+W64LIT(0xcfb3d0bbf855bee0), +W64LIT(0x96e071a8ece28534), +W64LIT(0x21b7febcd909fbc4), +W64LIT(0x8ed4628bb4c41655), +W64LIT(0x30682646b04cd3c2), +W64LIT(0xb5ff5dc294ba1fd3), +W64LIT(0x75aac52f4b7fb931), +W64LIT(0xe809ad8837afe641), +W64LIT(0x0eb2213d8d42d2e9), +W64LIT(0x9852509561a057dd), +W64LIT(0xaa92a40570bde53c), +W64LIT(0x7b18e412c63d6bd8), +W64LIT(0xa7dc3e85f67c9c1d), +W64LIT(0xd8618bce87e33583), +W64LIT(0xe34ab487a79d3c05), +W64LIT(0x20e397d773db312f), +W64LIT(0x05f138321d7008ad), +W64LIT(0x17d25b757fb68b63), +W64LIT(0x8a7133d20366d413), +W64LIT(0x0000000000000000), +W64LIT(0xeaa17f5e96fe8762), +W64LIT(0xc101f18675176c09), +W64LIT(0xbebc44cd0488c597), +W64LIT(0xdb9d30738c609e4b), +W64LIT(0xabc6cd6eda6f2fd7), +W64LIT(0x5aaf1aae1f34901c), +W64LIT(0xb00e65f089ca177e), +W64LIT(0xd47b7825abf08649), +W64LIT(0x924520f15b404772), +W64LIT(0x1686321ed5644188), +W64LIT(0x618425e73f4a999a), +W64LIT(0xe21eddec0d4ff6ee), +W64LIT(0xd787c398a0732d81), +W64LIT(0x1f6df9c7e407faef), 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+W64LIT(0xf8b7c4943f29a56a), +W64LIT(0xff138b3bde3e9e65), +/* box 2 */ +W64LIT(0x7c6a2eb5fdabecc6), +W64LIT(0x401cda0a752bbea0), +W64LIT(0x1925217156dc57c4), +W64LIT(0x56dec6d301d70787), +W64LIT(0x41c751ff73c6ac58), +W64LIT(0xc9067697a92cb5f9), +W64LIT(0x3391c917aaa0bc85), +W64LIT(0xae0a9a4c0e742afe), +W64LIT(0xaa8ca972162a62f4), +W64LIT(0x5aa193912935df99), +W64LIT(0x86fd9135fe27e5ba), +W64LIT(0xffca074b1d3f538e), +W64LIT(0x0e3cb65d24cdfc1b), +W64LIT(0x4384b2e07fe9885d), +W64LIT(0xc73ac0ca8de149e2), +W64LIT(0x48e5bc7645972eb4), +W64LIT(0xbe0d56b46ef9ffd6), +W64LIT(0x200e6d05c0ef5f50), +W64LIT(0xe1f17dee597f7abd), +W64LIT(0x0243e31f0c2f2405), +W64LIT(0xf4ab09dd2741f567), +W64LIT(0xe4acc52547cc204f), +W64LIT(0x348f92c3b83cc272), +W64LIT(0x53837e181f645d75), +W64LIT(0xd8da319acf4c7229), +W64LIT(0x81e3cae1ecbb9b4d), +W64LIT(0xd6e687c7eb818e32), +W64LIT(0x3dad7f4a8e6d409e), +W64LIT(0x28f70b79f053cf44), +W64LIT(0x493e3783437a3c4c), +W64LIT(0xb27203f6461b27c8), +W64LIT(0xd02357e6fff0e23d), 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+W64LIT(0xcfc3a6b6bd5dd9f6), +W64LIT(0x46d90a2b615ad2af), +W64LIT(0x8565f9dff4e5d347), +W64LIT(0x94b9bed292851497), +W64LIT(0xfa97bf80038c097c), +W64LIT(0xb9130d607c658121), +W64LIT(0xdc5c02a4d7123a23), +W64LIT(0x224d8e1accc07b55), +W64LIT(0x87261ac0f8caf742), +W64LIT(0xd901ba6fc9a160d1), +W64LIT(0xab57228710c7700c), +W64LIT(0x21d5e6f0c6024da8), +W64LIT(0x98c6eb90ba67cc89), +W64LIT(0x827ba20be679adb0), +W64LIT(0x991d6065bc8ade71), +W64LIT(0x5546ae390b15317a), +W64LIT(0xa56b94da340a8c17), +W64LIT(0x071e5bd4129c7ef7), +W64LIT(0xe02af61b5f926845), +W64LIT(0x6b73b9998fba4719), +W64LIT(0xdfc46a4eddd00cde), +W64LIT(0x770b2023c7d54a2f), +W64LIT(0x7e29cdaaf184c8c3), +W64LIT(0xba8b658a76a7b7dc), +W64LIT(0x9c40d8aea2398483), +W64LIT(0x9fd8b044a8fbb27e), +W64LIT(0xdb425970c58e44d4), +W64LIT(0xe269150453bd4c40), +W64LIT(0x3c76f4bf88805266), +W64LIT(0xf1f6b11639f2af95), +W64LIT(0x549d25cc0df82382), +W64LIT(0x4db804bd5b247446), +W64LIT(0x8a82c477d6c53da4), +W64LIT(0x5258f5ed19894f8d), +W64LIT(0x6e2e015291091deb), +W64LIT(0xc1ff10eb999025ed), +W64LIT(0xbd953e5e643bc92b), +W64LIT(0xc8ddfd62afc1a701), +W64LIT(0x5c6443b03d44b396), +W64LIT(0x6c6de24d9d2639ee), +W64LIT(0x1481ffc678d39d22), +W64LIT(0xd1f8dc13f91df0c5), +W64LIT(0xca9e1e7da3ee8304), +W64LIT(0xdd878951d1ff28db), +W64LIT(0x6012b70fb5c4e1f0), +W64LIT(0x1b66c26e5af373c1), +W64LIT(0xe3b29ef155505eb8), +W64LIT(0x70157bf7d54934d8), +W64LIT(0x2e32db58e422a34b), +W64LIT(0x6aa8326c895755e1), +W64LIT(0xb6f430c85e456fc2), +W64LIT(0xfd89e4541110778b), +W64LIT(0x88c12768daea19a1), +W64LIT(0xcd8045a9b172fdf3), +/* box 3 */ +W64LIT(0x99183e616655b742), +W64LIT(0xb2872032a50d6860), +W64LIT(0x0946f63b060528ef), +W64LIT(0x36612b9a141ef07d), +W64LIT(0x0634da84dd49579b), +W64LIT(0xfc9c9e9b486c8a57), +W64LIT(0xa63fe3c0744e6fd0), +W64LIT(0xf1515758d8b46bf9), +W64LIT(0x3e82559fcd5197ff), +W64LIT(0x92e12d262bc40177), +W64LIT(0xc3bb433a5a7752c5), +W64LIT(0x21c3852a5183267a), +W64LIT(0x39130725cf528f09), +W64LIT(0x9ba7db1d2dc12998), +W64LIT(0xc58f99be873e055e), +W64LIT(0xd9d424498f32656c), +W64LIT(0x27f75fae8cca71e1), +W64LIT(0x59b91019a8fc3430), +W64LIT(0xce768af9caafb36b), +W64LIT(0x9d930199f0887e03), +W64LIT(0x63b07a7ef3706a8e), +W64LIT(0xb5167288a70e7096), +W64LIT(0x40cc1a28e967d22e), +W64LIT(0x4d01d3eb79bf3380), +W64LIT(0x9e896cdb6456afb4), +W64LIT(0x2548bad2c75eef3b), +W64LIT(0xa79a6bfeab0420bd), +W64LIT(0x9f2ce4e5bb1ce0d9), +W64LIT(0x32ea146282c3393c), +W64LIT(0x6d67defff7765a97), +W64LIT(0x83775912b31080eb), +W64LIT(0xf5da68a04e69a2b8), +W64LIT(0x1196743498d4819c), +W64LIT(0x0bf913474d91b635), +W64LIT(0x43d6776a7db90399), +W64LIT(0x444725d07fba1b6f), +W64LIT(0x6584a0fa2e393d15), +W64LIT(0x3f27dda1121bd892), +W64LIT(0xf6c005e2dab7730f), +W64LIT(0x56cb3ca673b04b44), +W64LIT(0x642128c4f1737278), +W64LIT(0xbf4ae9f135d589ce), +W64LIT(0xb038c54eee99f6ba), +W64LIT(0xf47fe09e9123edd5), +W64LIT(0x75b75cf069a7f3e4), +W64LIT(0xd419ed8a1fea84c2), +W64LIT(0x73838674b4eea47f), +W64LIT(0x498aec13ef62fac1), +W64LIT(0x20660d148ec96917), +W64LIT(0xa48006bc3fdaf10a), +W64LIT(0x2f1421ab55851663), +W64LIT(0x0a5c9b7992dbf958), +W64LIT(0xd1375a4c567d02ee), +W64LIT(0x0000000000000000), +W64LIT(0xc842507d17e6e4f0), +W64LIT(0xf3eeb2249320f523), +W64LIT(0xc9e7d843c8acab9d), +W64LIT(0xff86f3d9dcb25be0), +W64LIT(0xb4b3fab678443ffb), +W64LIT(0xb19d4d7031d3b9d7), +W64LIT(0x79df1d0d26355d27), +W64LIT(0x8eba90d123c86145), +W64LIT(0xaa57a23d3bdcc113), +W64LIT(0xcb583d3f83383547), +W64LIT(0xd871ac7750782a01), +W64LIT(0xe162ab529f2aa508), +W64LIT(0x38b68f1b1018c064), +W64LIT(0x237c60561a17b8a0), +W64LIT(0xa31154063dd9e9fc), +W64LIT(0x713c6308ff7a3aa5), +W64LIT(0x1a6f6773d54537a9), +W64LIT(0x08e37e05d94f6782), +W64LIT(0x357b46d880c021ca), +W64LIT(0x6cc256c1283c15fa), +W64LIT(0xcfd302c715e5fc06), +W64LIT(0xbdf50c8d7e411714), +W64LIT(0x7cf1aacb6fa2db0b), +W64LIT(0x5240035ee56d8205), +W64LIT(0x7b60f8716da1c3fd), +W64LIT(0x01a5883edf4a4f6d), +W64LIT(0xdd5f1bb119efac2d), +W64LIT(0x5474d9da3824d59e), +W64LIT(0x0f722cbfdb4c7f74), +W64LIT(0x17a2aeb0459dd607), +W64LIT(0x37c4a3a4cb54bf10), +W64LIT(0xc21ecb04853d1da8), +W64LIT(0x4273ff54a2f34cf4), +W64LIT(0xdace490b1becb4db), +W64LIT(0x6af68c45f5754261), +W64LIT(0x46f8c0ac342e85b5), +W64LIT(0x854383966e59d770), +W64LIT(0x81c8bc6ef8841e31), +W64LIT(0x3bace25984c611d3), +W64LIT(0x1033fc0a479ecef1), +W64LIT(0x1c5bbdf7080c6032), +W64LIT(0x7412d4ceb6edbc89), +W64LIT(0xa8e8474170485fc9), +W64LIT(0xb8dbbb4b37d69138), +W64LIT(0x079152ba020318f6), +W64LIT(0x72260e4a6ba4eb12), +W64LIT(0x905ec85a60509fad), +W64LIT(0x2dabc4d71e1188b9), +W64LIT(0xd092d27289374d83), +W64LIT(0x610f9f02b8e4f454), +W64LIT(0x02bfe57c4b949eda), +W64LIT(0x95707f9c29c71981), +W64LIT(0x6fd83b83bce2c44d), +W64LIT(0x5d322fe13e21fd71), +W64LIT(0x34decee65f8a6ea7), +W64LIT(0xcd6ce7bb5e7162dc), +W64LIT(0xfb0dcc214a6f92a1), +W64LIT(0x2eb1a9958acf590e), +W64LIT(0xdcfa938fc6a5e340), +W64LIT(0x669ecdb8bae7eca2), +W64LIT(0x151d4bcc0e0948dd), +W64LIT(0xfd3916a59726c53a), +W64LIT(0x581c982777b67b5d), +W64LIT(0x1bcaef4d0a0f78c4), +W64LIT(0xdfe0fecd527b32f7), +W64LIT(0x128c19760c0a502b), +W64LIT(0x84e60ba8b113981d), +W64LIT(0x3c3db0e386c50925), +W64LIT(0x7febc789fb7c0abc), +W64LIT(0x7d5422f5b0e89466), +W64LIT(0xd70380c88b345575), +W64LIT(0xbbc1d609a308408f), +W64LIT(0xe278c6100bf474bf), +W64LIT(0x5e2842a3aaff2cc6), +W64LIT(0x6b53047b2a3f0d0c), +W64LIT(0xf7658ddc05fd3c62), +W64LIT(0x9a025323f28b66f5), +W64LIT(0x8c0575ad685cff9f), +W64LIT(0x76ad31b2fd792253), +W64LIT(0x68496939bee1dcbb), +W64LIT(0x7e4e4fb7243645d1), +W64LIT(0xe44c1c94d6bd2324), +W64LIT(0xbeef61cfea9fc6a3), +W64LIT(0x91fb4064bf1ad0c0), +W64LIT(0x052eb7c64997862c), +W64LIT(0x4a9081517bbc2b76), +W64LIT(0x8f1f18effc822e28), +W64LIT(0x3a096a675b8c5ebe), +W64LIT(0xee1087ed4466da7c), +W64LIT(0x2652d79053803e8c), +W64LIT(0x7099eb36203075c8), +W64LIT(0xc7307cc2ccaa9b84), +W64LIT(0x5c97a7dfe16bb21c), +W64LIT(0x50ffe622aef91cdf), +W64LIT(0x8da0fd93b716b0f2), +W64LIT(0x69ece10761ab93d6), +W64LIT(0x31f07920161de88b), +W64LIT(0x13299148d3401f46), +W64LIT(0x031a6d4294ded1b7), +W64LIT(0xccc96f85813b2db1), +W64LIT(0x14b8c3f2d14307b0), +W64LIT(0x8659eed4fa8706c7), +W64LIT(0xba645e377c420fe2), +W64LIT(0x2920fb2f88cc41f8), +W64LIT(0x87fc66ea25cd49aa), +W64LIT(0x1ee4588b4398fee8), +W64LIT(0xecaf62910ff244a6), +W64LIT(0xf817a163deb14316), +W64LIT(0x45e2adeea0f05402), +W64LIT(0x806d345027ce515c), +W64LIT(0x576eb498acfa0429), +W64LIT(0xa5258e82e090be67), +W64LIT(0x892bc26b21cb79b3), +W64LIT(0x6e7db3bd63a88b20), +W64LIT(0x4e1bbea9ed61e237), +W64LIT(0xadc6f08739dfd9e5), +W64LIT(0x8b9427176a5fe769), +W64LIT(0xa1aeb17a764d7726), +W64LIT(0x4b35096fa4f6641b), +W64LIT(0x22d9e868c55df7cd), +W64LIT(0x55d151e4e76e9af3), +W64LIT(0x966a12debd19c836), +W64LIT(0x0dcdc9c390d8e1ae), +W64LIT(0xf24b3a1a4c6aba4e), +W64LIT(0x24ed32ec1814a056), +W64LIT(0xaf7915fb724b473f), +W64LIT(0x2885731157860e95), +W64LIT(0x9c3689a72fc2316e), +W64LIT(0x475d4892eb64cad8), +W64LIT(0xac6378b9e6959688), +W64LIT(0xa00b3944a907384b), +W64LIT(0xc695f4fc13e0d4e9), +W64LIT(0x3055f11ec957a7e6), +W64LIT(0x6215f2402c3a25e3), +W64LIT(0xde4576f38d317d9a), +W64LIT(0x9344a518f48e4e1a), +W64LIT(0x82d2d12c6c5acf86), +W64LIT(0xefb50fd39b2c9511), +W64LIT(0xe981d5574665c28a), +W64LIT(0x5f8dca9d75b563ab), +W64LIT(0xb60c1fca33d0a121), +W64LIT(0xfe237be703f8148d), +W64LIT(0xd6a608f6547e1a18), +W64LIT(0xb97e3375e89cde55), +W64LIT(0xd388bf301de99c34), +W64LIT(0x5b06f565e368aaea), +W64LIT(0xf0f4df6607fe2494), +W64LIT(0x1607268e9ad7996a), +W64LIT(0xaedc9dc5ad010852), +W64LIT(0xe0c7236c4060ea65), +W64LIT(0xea9bb815d2bb133d), +W64LIT(0x888e4a55fe8136de), +W64LIT(0x5aa37d5b3c22e587), +W64LIT(0xc104a64611e3cc1f), +W64LIT(0x515a6e1c71b353b2), +W64LIT(0xc42a118058744a33), +W64LIT(0x7708b98c22336d3e), +W64LIT(0x2a3a966d1c12904f), +W64LIT(0x8a31af29b515a804), +W64LIT(0xed0aeaafd0b80bcb), +W64LIT(0x2c0e4ce9c15bc7d4), +W64LIT(0x0c6841fd4f92aec3), +W64LIT(0x98bdb65fb91ff82f), +W64LIT(0x1f41d0b59cd2b185), +W64LIT(0xb322a80c7a47270d), +W64LIT(0xe6f3f9e89d29bdfe), +W64LIT(0x7ac5704fb2eb8c90), +W64LIT(0xa94dcf7faf0210a4), +W64LIT(0x787a9533f97f124a), +W64LIT(0xdb6bc135c4a6fbb6), +W64LIT(0x048b3ff896ddc941), +W64LIT(0xe8245d69992f8de7), +W64LIT(0xe3dd4e2ed4be3bd2), +W64LIT(0xcafdb5015c727a2a), +W64LIT(0xb7a997f4ec9aee4c), +W64LIT(0xe75671d64263f293), +W64LIT(0x2b9f1e53c358df22), +W64LIT(0x18d0820f9ed1a973), +W64LIT(0xabf22a03e4968e7e), +W64LIT(0xa2b4dc38e293a691), +W64LIT(0x673b458665ada3cf), +W64LIT(0xf9b2295d01fb0c7b), +W64LIT(0xd22d370ec2a3d359), +W64LIT(0x97cf9ae06253875b), +W64LIT(0x0ed7a48104063019), +W64LIT(0x482f642d3028b5ac), +W64LIT(0xc0a12e78cea98372), +W64LIT(0x4fbe3697322bad5a), +W64LIT(0x19750a31419be61e), +W64LIT(0x41699216362d9d43), +W64LIT(0xd5bc65b4c0a0cbaf), +W64LIT(0xe5e994aa09f76c49), +W64LIT(0xeb3e302b0df15c50), +W64LIT(0x94d5f7a2f68d56ec), +W64LIT(0x53e58b603a27cd68), +W64LIT(0x3d9838dd598f4648), +W64LIT(0x60aa173c67aebb39), +W64LIT(0x1dfe35c9d7462f5f), +W64LIT(0x4ca45bd5a6f57ced), +W64LIT(0xbc5084b3a10b5879), +W64LIT(0xfaa8441f9525ddcc), +W64LIT(0x334f9c5c5d897651), +/* box 4 */ +W64LIT(0xda1687a883adf27e), +W64LIT(0xe35c9378578d9f22), +W64LIT(0x303ca4531637fa40), +W64LIT(0xa088321f74b20375), +W64LIT(0xc9863f3a9acb95e9), +W64LIT(0x5fcf47c57d0b0ed4), +W64LIT(0x4aa211e4e1280b4b), +W64LIT(0xe1a4c9ba871d1289), +W64LIT(0x4926664759f03a4f), +W64LIT(0xadfb36ede3707bca), +W64LIT(0xcf7bd1891f8ef7e1), +W64LIT(0x9735559e8f882792), +W64LIT(0x5932a976f84e6cdc), +W64LIT(0x9dc792bef547818a), +W64LIT(0x06fdeeb385456208), +W64LIT(0x46ad38771ea2cf5b), +W64LIT(0x5eb36aa41543b27b), +W64LIT(0x8b2eb33cd1bcb511), +W64LIT(0x71105ff6e598ebbc), +W64LIT(0x5441ad846f8c1463), +W64LIT(0x4c5fff57646d6943), +W64LIT(0xf3485c49f633c9b1), +W64LIT(0x9cbbbfdf9d0f3d25), +W64LIT(0x22d031a067192178), +W64LIT(0xca0248992213a4ed), +W64LIT(0x19627fb263a9c18f), +W64LIT(0x9330e1efda5dc831), +W64LIT(0x1390b89219666797), +W64LIT(0x2edf18339893e568), +W64LIT(0x6c779435d3e4c590), 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+W64LIT(0xc0616da3b70c486d), +W64LIT(0x616e0ab21e64670a), +W64LIT(0x6d0ae91ecee399e9), +W64LIT(0x27d009851bd92009), +W64LIT(0xfedd9192464c2291), +W64LIT(0x45a7bc1c311b82bc), +W64LIT(0x54205860e878cf58), +W64LIT(0xa10f6711a9682f67), +W64LIT(0x9981107630913a10), +W64LIT(0xede70cdc14ebe90c), +W64LIT(0x70e9eecec7072aee), +W64LIT(0x1f5e7ee28220357e), +W64LIT(0x2f3b184d28232718), +W64LIT(0x41284e78d2667b4e), +W64LIT(0xa424536cf5779553), +W64LIT(0xa3b21e2322aca91e), +W64LIT(0x4e5512ff36474012), +W64LIT(0x1efab8fb3d4276b8), +W64LIT(0x89a2321356903432), +W64LIT(0xcb93c340b0508ac3), +W64LIT(0x306566afaa031266), +W64LIT(0x4adae09bd53ab9e0), +W64LIT(0xc92eba723b940cba), +W64LIT(0x094fd7d18c9844d7), +W64LIT(0xcc058e0f678bb68e), +W64LIT(0xd4cdbda23270bfbd), +W64LIT(0x0a5668fab83e8168), +W64LIT(0x510b6c1db467756c), +W64LIT(0xb86392a543f16592), +W64LIT(0x048ff264e37df9f2), +W64LIT(0x3a330e55123d930e), +W64LIT(0xb235fa5ffbcfe4fa), +W64LIT(0xb9c754bcfc932654), +W64LIT(0x3c0185037a84ec85), +W64LIT(0x0c64e3acd087fee3), +W64LIT(0xe02729697b0e5429), +W64LIT(0x07964d4fd7db3c4d), +W64LIT(0x814923db656a3323), +W64LIT(0x388e776799f91577), +W64LIT(0x6a9ca4511938a5a4), +W64LIT(0x1bd18c86615dcc8c), +W64LIT(0xb407710993769b71), +W64LIT(0x150816183a1eb416), +W64LIT(0x4395374a59a2fd37), +W64LIT(0xc4ee9fc75471b19f), +W64LIT(0x5844bbcc38ff31bb), +W64LIT(0xcf1c3124532d7331), +W64LIT(0xb71ece22a7d05ece), +W64LIT(0xaccf42a4c68d9242), +W64LIT(0x97588ae86bd2428a), +W64LIT(0x75c2dab39b1890da), +W64LIT(0x9e175d39e74a065d), +W64LIT(0xf0040b0c1d0f5a0b), +W64LIT(0xceb8f73dec4f30f7), +W64LIT(0xbe5119f32b481a19), +W64LIT(0xd35bf0ede5ab83f0), +W64LIT(0x7c8d0d621780d40d), +W64LIT(0x85c6d1bf8617cad1), +/* box 7 */ +W64LIT(0xb1c742127b66f2a4), +W64LIT(0xce916098d7a59fc1), +W64LIT(0xc312ef8e2406fa70), +W64LIT(0x956c7dced81403d5), +W64LIT(0x5a0c9b2318dd9520), +W64LIT(0xad0d57f51a480e8b), +W64LIT(0xe7b9d05287740b01), +W64LIT(0x0217f9ea2ed81268), +W64LIT(0x4d7cff19f8cd3a06), +W64LIT(0x44d1772e572b7b67), +W64LIT(0xfb73c5b5e65af72e), +W64LIT(0x91427aef84512705), +W64LIT(0x0c720963e4cf6c85), +W64LIT(0x87c398a0732d8117), +W64LIT(0xa17f5e96fe87620e), +W64LIT(0x50476c8b8e8fcf1d), +W64LIT(0xcb4ee1cc9c8cb225), +W64LIT(0x67b2304c91a8b59a), +W64LIT(0x54696baad2caebcd), +W64LIT(0xddcf03836bf01437), +W64LIT(0x46c68ec479f3690f), +W64LIT(0x8f9f96e2cba7c942), +W64LIT(0xe1802e99f5e93db9), +W64LIT(0x4e9a8086c179215a), +W64LIT(0xf0c9b4686764a427), +W64LIT(0xfd4a3b7e94c7c196), +W64LIT(0xfcbbbd0b83abc8a2), +W64LIT(0xebcbd93163bb6784), +W64LIT(0xf9643c5fc882e546), +W64LIT(0xc4da973041f7c5fc), +W64LIT(0x1af3eb2c13b3ca97), +W64LIT(0x6e1fb87b3e4ef4fb), +W64LIT(0x5e229c024498b1f0), +W64LIT(0xf516353c2c4d89c3), +W64LIT(0xcc869972f97d8da9), +W64LIT(0x8d886f08e57fdb2a), +W64LIT(0x1cca15e7612efc2f), +W64LIT(0x567e9240fc12f9a5), +W64LIT(0x43190f9032da44eb), +W64LIT(0xfeac44e1ad73daca), +W64LIT(0x07c878be65f13f8c), +W64LIT(0x618bce87e3358322), +W64LIT(0xf895ba2adfeeec72), +W64LIT(0x751dd5223a913758), +W64LIT(0x59eae4bc21698e7c), +W64LIT(0xff5dc294ba1fd3fe), +W64LIT(0x03e67f9f39b41b5c), +W64LIT(0x2292c117d1efc7c9), +W64LIT(0x8a4017b6808ee4a6), +W64LIT(0xd1bd0ae08f3f78b2), +W64LIT(0x135e631bbc558bf6), +W64LIT(0xee14586528924a60), +W64LIT(0x8857ee5cae56f6ce), +W64LIT(0x0000000000000000), +W64LIT(0x0e65f089ca177eed), +W64LIT(0x34132358269361db), +W64LIT(0x15679dd0cec8bd4e), +W64LIT(0x800be01e16dcbe9b), +W64LIT(0x949dfbbbcf780ae1), +W64LIT(0xe397d773db312fd1), +W64LIT(0xedf227fa1126513c), +W64LIT(0xb5e945332723d674), +W64LIT(0x53a11314b73bd441), +W64LIT(0x23634762c683cefd), +W64LIT(0x4b4501d28a500cbe), +W64LIT(0x473708b16e9f603b), +W64LIT(0x1770643ae010af26), +W64LIT(0xa746a05d8c1a54b6), +W64LIT(0x90b3fc9a933d2e31), +W64LIT(0x35e2a52d31ff68ef), +W64LIT(0xab34a93e68d53833), +W64LIT(0xd81082d720d939d3), +W64LIT(0xb86aca25d480b3c5), +W64LIT(0xdfd8fa694528065f), +W64LIT(0x4f6b06f3d615286e), +W64LIT(0x578f1435eb7ef091), +W64LIT(0x9af80b32056f740c), +W64LIT(0x92a40570bde53c59), +W64LIT(0xdbf6fd48196d228f), +W64LIT(0x1b026d5904dfc3a3), +W64LIT(0x3c4f2d1a9e19298e), +W64LIT(0xc8a89e53a538a979), +W64LIT(0x991e74ad3cdb6f50), +W64LIT(0x042e07215c4524d0), +W64LIT(0x8e6e1097dccbc076), +W64LIT(0xe071a8ece285348d), +W64LIT(0xd784f42bfda24e0a), +W64LIT(0x7d41db60821b7f0d), +W64LIT(0x85d4614a5df5937f), +W64LIT(0xbb8cb5baed34a899), +W64LIT(0x40ff700f0b6e5fb7), +W64LIT(0x2cf7319e1bf8b924), +W64LIT(0x3a76d3d1ec841f36), +W64LIT(0x4520f15b40477253), +W64LIT(0xf138321d7008ad13), +W64LIT(0x42e889e525b64ddf), +W64LIT(0x65a5c9a6bf70a7f2), +W64LIT(0x208538fdff37d5a1), +W64LIT(0x410ef67a1c025683), +W64LIT(0x18e412c63d6bd8ff), +W64LIT(0x72d5ad9c5f6008d4), +W64LIT(0x255ab9a9b41ef845), +W64LIT(0x93558305aa89356d), +W64LIT(0x70c2547671b81abc), +W64LIT(0x3604dab2084b73b3), +W64LIT(0x05df81544b292de4), +W64LIT(0xf2de4d8249bcb64f), +W64LIT(0x0bba71dd813e5309), +W64LIT(0xa368a77cd05f7066), +W64LIT(0x796fdc41de5e5bdd), +W64LIT(0xec03a18f064a5808), +W64LIT(0x085c0e42b88a4855), +W64LIT(0x274d40439ac6ea2d), +W64LIT(0x31cca20c6dba4c3f), +W64LIT(0x322add93540e5763), +W64LIT(0xb60f3aac1e97cd28), +W64LIT(0x7cb05d1595777639), +W64LIT(0xb036c4676c0afb90), +W64LIT(0x0a4bf7a896525a3d), +W64LIT(0x73242be9480c01e0), +W64LIT(0x5bfd1d560fb19c14), +W64LIT(0x7b7825abf08649b5), +W64LIT(0xb7febcd909fbc41c), +W64LIT(0x81fa666b01b0b7af), +W64LIT(0xd25b757fb68b63ee), +W64LIT(0x0d838f16f3a365b1), +W64LIT(0x6a31bf5a620bd02b), +W64LIT(0x26bcc6368daae319), +W64LIT(0x9ed60c13592a50dc), +W64LIT(0x581b62c936058748), +W64LIT(0x9cc1f5f977f242b4), +W64LIT(0x83ed9f812f68a5c7), +W64LIT(0x74ec53572dfd3e6c), +W64LIT(0xb3d0bbf855bee0cc), +W64LIT(0xacfcd1800d2407bf), +W64LIT(0x303d24797ad6450b), +W64LIT(0x7a89a3dee7ea4081), +W64LIT(0x69d7c0c55bbfcb77), +W64LIT(0x770a2cc814492530), +W64LIT(0x0f9476fcdd7b77d9), +W64LIT(0xaeeb286a23fc15d7), +W64LIT(0x2174be88e85bdc95), +W64LIT(0xde297c1c52440f6b), +W64LIT(0xd04c8c9598537186), +W64LIT(0x2ee0c8743520ab4c), +W64LIT(0x977b8424f6cc11bd), +W64LIT(0x10b81c8485e190aa), +W64LIT(0xa4a0dfc2b5ae4fea), +W64LIT(0x98eff2d82bb76664), +W64LIT(0xa8d2d6a15161236f), +W64LIT(0xd4628bb4c4165556), +W64LIT(0x682646b04cd3c243), +W64LIT(0x2d06b7eb0c94b010), +W64LIT(0x626db118da81987e), +W64LIT(0x2928b0ca50d194c0), +W64LIT(0x6df9c7e407faefa7), +W64LIT(0x1681e24ff77ca612), +W64LIT(0x4952f838a4881ed6), +W64LIT(0x76fbaabd03252c04), +W64LIT(0xc73ce8af7843dea0), +W64LIT(0xe82da6ae5a0f7cd8), +W64LIT(0xc10516640adee818), +W64LIT(0x968a0251e1a01889), +W64LIT(0x37f55cc71f277a87), +W64LIT(0xe5ae29b8a9ac1969), +W64LIT(0xcabf67b98be0bb11), +W64LIT(0xf4e7b3493b2180f7), +W64LIT(0xe9dc20db4d6375ec), +W64LIT(0x639c376dcded914a), +W64LIT(0x12afe56eab3982c2), +W64LIT(0xc2e369fb336af344), +W64LIT(0xa6b726289b765d82), +W64LIT(0x14961ba5d9a4b47a), +W64LIT(0xbc44cd0488c59715), +W64LIT(0xd3aaf30aa1e76ada), +W64LIT(0x28d936bf47bd9df4), +W64LIT(0xaf1aae1f34901ce3), +W64LIT(0x2f114e01224ca278), +W64LIT(0xe648562790180235), +W64LIT(0x24ab3fdca372f171), +W64LIT(0x52509561a057dd75), +W64LIT(0xc6cd6eda6f2fd794), +W64LIT(0xa08ed8e3e9eb6b3a), +W64LIT(0x09ad8837afe64161), +W64LIT(0xbdb54b719fa99e21), +W64LIT(0x8c79e97df213d21e), +W64LIT(0xcf60e6edc0c996f5), +W64LIT(0x5dc4e39d7d2caaac), +W64LIT(0x11499af1928d999e), +W64LIT(0x5fd31a7753f4b8c4), +W64LIT(0x01f18675176c0934), +W64LIT(0xc52b1145569bccc8), +W64LIT(0x9f278a664e4659e8), +W64LIT(0x3dbeab6f897520ba), +W64LIT(0xa2992109c7337952), +W64LIT(0x9b098d4712037d38), +W64LIT(0xc9591826b254a04d), +W64LIT(0x3b8755a4fbe81602), +W64LIT(0xbe5334eea61d857d), +W64LIT(0x51b6eafe99e3c629), +W64LIT(0x191594b32a07d1cb), +W64LIT(0x1f2c6a78589ae773), +W64LIT(0x3fa95285a7ad32d2), +W64LIT(0x5c3565e86a40a398), +W64LIT(0xb2213d8d42d2e9f8), +W64LIT(0xefe5de103ffe4354), +W64LIT(0x4ab487a79d3c058a), +W64LIT(0xcd771f07ee11849d), +W64LIT(0xbfa2b29bb1718c49), +W64LIT(0xba7d33cffa58a1ad), +W64LIT(0x6fee3e0e2922fdcf), +W64LIT(0x64544fd3a81caec6), +W64LIT(0xd9e104a237b530e7), +W64LIT(0xf32fcbf75ed0bf7b), +W64LIT(0x3e58d4f0b0c13be6), +W64LIT(0xb418c346304fdf40), +W64LIT(0xaac52f4b7fb93107), +W64LIT(0xdc3e85f67c9c1d03), +W64LIT(0xd5930dc1d37a5c62), +W64LIT(0x0639fecb729d36b8), +W64LIT(0xc0f490111db2e12c), +W64LIT(0x7ea7a4ffbbaf6451), +W64LIT(0xf6f04aa315f9929f), +W64LIT(0x6643b63986c4bcae), +W64LIT(0x6c0841911096e693), +W64LIT(0x8425e73f4a999a4b), +W64LIT(0x7133d20366d41388), +W64LIT(0x38612a3bc25c0d5e), +W64LIT(0xb99b4c50c3ecbaf1), +W64LIT(0x1d3b93927642f51b), +W64LIT(0x7f56228aacc36d65), +W64LIT(0x9d30738c609e4b80), +W64LIT(0x48a37e4db3e417e2), +W64LIT(0x8bb191c397e2ed92), +W64LIT(0x2acecf5569658f9c), +W64LIT(0xda077b3d0e012bbb), +W64LIT(0xa55159b7a2c246de), +W64LIT(0x33db5be643625e57), +W64LIT(0x821c19f43804acf3), +W64LIT(0x3990ac4ed530046a), +W64LIT(0xd675725eeace473e), +W64LIT(0x789e5a34c93252e9), +W64LIT(0x86321ed564418823), +W64LIT(0xfa8243c0f136fe1a), +W64LIT(0xe45fafcdbec0105d), +W64LIT(0x2b3f49207e0986a8), +W64LIT(0xa92350d4460d2a5b), +W64LIT(0x1eddec0d4ff6ee47), +W64LIT(0x89a66829b93afffa), +W64LIT(0x607a48f2f4598a16), +W64LIT(0x6bc0392f7567d91f), +W64LIT(0xea3a5f4474d76eb0), +W64LIT(0x5598eddfc5a6e2f9), +W64LIT(0x4c8d796cefa13332), +W64LIT(0xf701ccd602959bab), +W64LIT(0xe2665106cc5d26e5), +}; + +const word64 SHARK::Dec::cbox[8][256] = { +/* box 0 */ +W64LIT(0xe6126af05e55aff3), +W64LIT(0x4b6c893f310b0835), +W64LIT(0xaa4c0e84ebfc8d57), +W64LIT(0xfb9b5c7bf3b3090d), +W64LIT(0x4508a6a9ccba5ce2), +W64LIT(0xe5d1d2064dc6bde9), +W64LIT(0x348343755288edde), +W64LIT(0xb684505de46b250c), +W64LIT(0xa8cede205a1e91e8), +W64LIT(0x40b89b46f9fa6acc), +W64LIT(0x8ee1ec1afab080ba), +W64LIT(0xde77d6b7408e0a45), +W64LIT(0x9a3e184c2e455802), +W64LIT(0xbe93fad23f0955ef), +W64LIT(0x3ae76ce3af39b909), +W64LIT(0xad7ee3cf6f5ea7c6), +W64LIT(0x8b51d1f5cff0b694), +W64LIT(0x70ca8d8e3c43bf99), +W64LIT(0xccdba7f8b2a8f6c9), +W64LIT(0x4c5e6474b5a922a4), +W64LIT(0x5d31adcd541ccc32), +W64LIT(0x9b7f701e8c3456a7), +W64LIT(0x2ac9cd08ecfd593a), +W64LIT(0x8fa0844858c18e1f), +W64LIT(0x32f0c66c745bc9ea), +W64LIT(0xc58d6525cbbb888f), +W64LIT(0x8c633cbe4b529c05), +W64LIT(0xf2cd9ea68aa0774b), +W64LIT(0x2cba4811ca2e7d0e), +W64LIT(0xe2e33f4dc9649778), +W64LIT(0xf4be1bbfac73537f), +W64LIT(0x22de6787379f29d9), +W64LIT(0x0956c2dd79137e46), +W64LIT(0xe061efe978868bc7), +W64LIT(0x1cc85ed90f97a85b), +W64LIT(0x31337e9a67c8dbf0), +W64LIT(0x360193d1e36af161), +W64LIT(0x7fefca4a6383e5eb), +W64LIT(0x8535fe633241e243), +W64LIT(0xc3fee03ced68acbb), +W64LIT(0x81c4abdea570dac8), +W64LIT(0x67d6c12efb25753b), +W64LIT(0xa4282112164dd980), +W64LIT(0xcf181f0ea13be4d3), +W64LIT(0xa98fb672f86f9f4d), +W64LIT(0x5c70c59ff66dc297), +W64LIT(0xb0f7d544c2b80138), +W64LIT(0x0da79760ee2246cd), +W64LIT(0x3740fb83411bffc4), +W64LIT(0x24ade29e114c0ded), +W64LIT(0xf858e48de0201b17), +W64LIT(0x0e642f96fdb154d7), +W64LIT(0xddb46e41531d185f), +W64LIT(0x25ec8accb33d0348), +W64LIT(0x0282d0a4b1e21cbf), +W64LIT(0x1bfab3928b3582ca), +W64LIT(0xaffc336bdebcbb79), +W64LIT(0x35c22b27f0f9e37b), 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+W64LIT(0x3ccd2902f929b0c9), +W64LIT(0x70ac1a27401aebe2), +W64LIT(0xcea49f85619f8a5b), +W64LIT(0x39f704546b04075f), +W64LIT(0x0df96575d565c913), +W64LIT(0x08c3482347487e85), +W64LIT(0xd28f630b71633799), +W64LIT(0xecf558861e58620c), +W64LIT(0xc2fcf34dfff3cb66), +W64LIT(0x978c11b0c4119a19), +W64LIT(0x69bdcbffc2cbe1b6), +W64LIT(0xba93a149f8a15e01), +W64LIT(0x51ebc616e2c66ec7), +W64LIT(0x078d3fd9043f52ca), +W64LIT(0x58898788ee87986c), +W64LIT(0x4a4d0541f60581cf), +W64LIT(0xe86e7c6dc77c5db4), +W64LIT(0xee424a09884a8750), +W64LIT(0xcdb284b7bc84e729), +W64LIT(0x65e5a7375ca7a08b), +W64LIT(0x2fa8a276aaa22144), +W64LIT(0xa0946ba3a76b3927), +W64LIT(0xa5ae46f535468eb1), +W64LIT(0x35af689cf5684662), +W64LIT(0x28259dafae9d738e), +W64LIT(0xcf0596382a960275), +W64LIT(0xb6cbcd8166cd1f3c), +W64LIT(0x7e43646048644f83), +W64LIT(0x9bd47d785a7ddb24), +W64LIT(0x432f44dffa447764), +W64LIT(0x9f4f59938359e49c), +W64LIT(0x7d557f52957f22f1), +W64LIT(0x76802c430f2c3106), +W64LIT(0xdc601d4c791d93f8), +W64LIT(0x053a2d56922db796), +W64LIT(0x11d299fbc59974d1), +W64LIT(0xf9bce59602e52965), +W64LIT(0xd8fb39a7a039ac40), +W64LIT(0x340e6121be61ce4c), +W64LIT(0x5f04b851eab8caa6), +W64LIT(0x5db3aade7caa2ffa), +W64LIT(0x1549bd101cbd4b69), +W64LIT(0xff90d3f24dd3f381), +W64LIT(0xafda1c59e41c1568), +W64LIT(0xb146f25862f24df6), +W64LIT(0xa40f4f487e4f069f), +/* box 2 */ +W64LIT(0xa1a35cebf8f0f94c), +W64LIT(0x2c203d650f3f095d), +W64LIT(0x1a2bdaee4084a2a7), +W64LIT(0xd32404574d7bcc68), +W64LIT(0xf785bea594a9adc4), +W64LIT(0xf2eb54456206949c), +W64LIT(0x3f5e334d0475ced1), +W64LIT(0x5994299b835d1f60), +W64LIT(0x785b7989ac204794), +W64LIT(0x025da6a2cf461a41), +W64LIT(0xdf1f3a71f01a901b), +W64LIT(0x27284f018bb77637), +W64LIT(0xe1955a6d694c5310), +W64LIT(0x24a1baf2d9d261ac), +W64LIT(0xe4fbb08d9fe36a48), +W64LIT(0x8d83618ef7cff011), +W64LIT(0x2ac72276abf5279e), +W64LIT(0xf9e32621e68eebf6), +W64LIT(0xbf323fb4d3f86f69), +W64LIT(0xbb888605b8745beb), +W64LIT(0x70dafe1e7acd2f65), +W64LIT(0xd0adf1a41f1edbf3), +W64LIT(0x1e91635f2b089625), +W64LIT(0xee2791b8864818f8), +W64LIT(0x99ce23e4c56c1484), +W64LIT(0xf33f0714ff259946), +W64LIT(0xbd6f99161cbe7528), +W64LIT(0x9f293cf761a63a47), +W64LIT(0xb80173f6ea114c70), +W64LIT(0x6543ef25d54dc62a), +W64LIT(0x39b92c5ea0bfe012), +W64LIT(0x63a4f0367187e8e9), +W64LIT(0x4c0d38a02cddf62f), +W64LIT(0x07334c4239e92319), +W64LIT(0x43bff375c3d9bdc7), +W64LIT(0xca862b4a5f9a7954), +W64LIT(0x5d2e902ae8d12be2), +W64LIT(0x137e0e280b4ac78c), +W64LIT(0xf162a1b630638307), +W64LIT(0x55af17bd3e3c4313), +W64LIT(0x358212781ddebc61), +W64LIT(0x94214e93e52e452d), +W64LIT(0xc18e592edb12063e), +W64LIT(0xec7a371a490e02b9), +W64LIT(0x4963d240da72cf77), +W64LIT(0x41e255d70c9fa786), +W64LIT(0xff0439324244c535), +W64LIT(0x88ed8b6e0160c949), +W64LIT(0x6c163be39e83a301), +W64LIT(0xc534e09fb09e32bc), +W64LIT(0x806c0cf9d78da1b8), +W64LIT(0xdba583c09b96a499), +W64LIT(0x746047af11411be7), +W64LIT(0xf40c4b56c6ccba5f), +W64LIT(0x6270a367eca4e533), +W64LIT(0xd41748157492ef71), +W64LIT(0xeff3c2e91b6b1522), +W64LIT(0x0e66988472274632), +W64LIT(0x534808ae9af66dd0), +W64LIT(0x8231aa5b18cbbbf9), +W64LIT(0xb2dd52c3f3ba3ec0), +W64LIT(0xdd429cd33f5c8a5a), +W64LIT(0x4e509e02e39bec6e), +W64LIT(0x26fc1c5016947bed), +W64LIT(0xd9f8256254d0bed8), +W64LIT(0x0955d4c64bce652b), +W64LIT(0x1610e4c8fde5fed4), +W64LIT(0x6dc268b203a0aedb), +W64LIT(0x2e7d9bc7c079131c), +W64LIT(0xc3d3ff8c14541c7f), +W64LIT(0xd64aeeb7bbd4f530), +W64LIT(0xab7f7ddee15b8bfc), +W64LIT(0x144d426a32a3e495), +W64LIT(0x8e0a947da5aae78a), +W64LIT(0x798f2ad831034a4e), +W64LIT(0x3be48afc6ff9fa53), +W64LIT(0x529c5bff07d5600a), +W64LIT(0xbee66ce54edb62b3), +W64LIT(0x931202d1dcc76634), +W64LIT(0x50c1fd5dc8937a4b), +W64LIT(0xa4cdb60b0e5fc014), +W64LIT(0x57f2b11ff17a5952), +W64LIT(0x47054ac4a8558945), +W64LIT(0x5a1ddc68d13808fb), +W64LIT(0x5cfac37b75f22638), +W64LIT(0xc207acdd897711a5), +W64LIT(0x289a84d464b33ddf), +W64LIT(0xc05a0a7f46310be4), +W64LIT(0xe6a6162f50a57009), +W64LIT(0x06e71f13a4ca2ec3), +W64LIT(0x5f733688279731a3), +W64LIT(0xeb497b5870e721a0), +W64LIT(0xb667eb7298360a42), +W64LIT(0xe3c8fccfa60a4951), +W64LIT(0xe772457ecd867dd3), +W64LIT(0x6978d103682c9a59), +W64LIT(0x0def6d77204251a9), +W64LIT(0xc90fdeb90dff6ecf), +W64LIT(0xd179a2f5823dd629), +W64LIT(0x2fa9c8965d5a1ec6), +W64LIT(0x81b85fa84aaeac62), +W64LIT(0xdc96cf82a27f8780), +W64LIT(0x602d05c523e2ff72), +W64LIT(0x19a22f1d12e1b53c), +W64LIT(0xe52fe3dc02c06792), +W64LIT(0x58407aca1e7e12ba), +W64LIT(0x61f95694bec1f2a8), +W64LIT(0x48b781114751c2ad), +W64LIT(0xaaab2e8f7c788626), +W64LIT(0x04bab9b16b8c3482), +W64LIT(0x2df46e34921c0487), +W64LIT(0x1123a88ac40cddcd), +W64LIT(0xc6bd156ce2fb2527), +W64LIT(0x7f6835cb95c9648d), +W64LIT(0x83e5f90a85e8b623), +W64LIT(0x4f84cd537eb8e1b4), +W64LIT(0x294ed785f9903005), +W64LIT(0x1cccc5fde44e8c64), +W64LIT(0xcb52781bc2b9748e), +W64LIT(0x1d1896ac796d81be), +W64LIT(0xb30901926e99331a), +W64LIT(0xad9862cd4591a53f), +W64LIT(0xc8db8de890dc6315), +W64LIT(0x7bd28c7afe45500f), +W64LIT(0x0adc213519ab72b0), +W64LIT(0xa8f6882db33e9c67), +W64LIT(0xb5ee1e81ca531dd9), +W64LIT(0x201b0343b25e552e), +W64LIT(0x4036068691bcaa5c), +W64LIT(0xae11973e17f4b2a4), +W64LIT(0x9efd6fa6fc85379d), +W64LIT(0x33650d6bb91492a2), +W64LIT(0x3a30d9adf2daf789), +W64LIT(0x0c3b3e26bd615c73), +W64LIT(0xf651edf4098aa01e), +W64LIT(0x710ead4fe7ee22bf), +W64LIT(0x3138abc9765288e3), +W64LIT(0x9d749a55aee02006), +W64LIT(0x6e4b9d4151c5b940), +W64LIT(0x84d6b548bc01953a), +W64LIT(0x360be78b4fbbabfa), +W64LIT(0xa22aa918aa95eed7), +W64LIT(0xedae644bd42d0f63), +W64LIT(0x46d119953576849f), +W64LIT(0x6497bc74486ecbf0), +W64LIT(0xfbbe808329c8f1b7), +W64LIT(0x4aea27b38817d8ec), +W64LIT(0x5626e24e6c595488), +W64LIT(0x056eeae0f6af3958), +W64LIT(0x4558ec6667139304), +W64LIT(0x448cbf37fa309ede), +W64LIT(0x6f9fce10cce6b49a), +W64LIT(0xa0770fba65d3f496), +W64LIT(0x671e49871a0bdc6b), +W64LIT(0xda71d09106b5a943), +W64LIT(0x08818797d6ed68f1), +W64LIT(0xa3fefa4937b6e30d), +W64LIT(0xb080f4613cfc2481), +W64LIT(0x763de10dde0701a6), +W64LIT(0x4dd96bf1b1fefbf5), +W64LIT(0x92c6518041e46bee), +W64LIT(0x3456412980fdb1bb), +W64LIT(0x981a70b5584f195e), +W64LIT(0x3d0395efcb33d490), +W64LIT(0xba5cd55425575631), +W64LIT(0x4b3e74e21534d536), +W64LIT(0x6af124f03a498dc2), +W64LIT(0x7ebc669a08ea6957), +W64LIT(0x30ecf898eb718539), +W64LIT(0xa922db7c2e1d91bd), +W64LIT(0x7a06df2b63665dd5), +W64LIT(0xb154a730a1df295b), +W64LIT(0xfc8dccc11021d2ae), +W64LIT(0xcfe8c1aaa935400c), +W64LIT(0x97a8bb60b74b52b6), +W64LIT(0x18767c4c8fc2b8e6), +W64LIT(0x9a47d6179709031f), +W64LIT(0x0000000000000000), +W64LIT(0xac4c319cd8b2a8e5), +W64LIT(0xb9d520a7773241aa), +W64LIT(0xdecb69206d399dc1), +W64LIT(0x1f45300eb62b9bff), +W64LIT(0x10f7fbdb592fd017), +W64LIT(0x3e8a601c9956c30b), +W64LIT(0x8502e619212298e0), +W64LIT(0xf5d818075befb785), +W64LIT(0x547b44eca31f4ec9), +W64LIT(0x9ca0c90433c32ddc), +W64LIT(0xe041093cf46f5eca), +W64LIT(0xa69010a9c119da55), +W64LIT(0xc769463d7fd828fd), +W64LIT(0xc4e0b3ce2dbd3f66), +W64LIT(0x2575e9a344f16c76), +W64LIT(0x01d453519d230dda), +W64LIT(0xfa6ad3d2b4ebfc6d), +W64LIT(0xd5c31b44e9b1e2ab), +W64LIT(0xf83775707bade62c), +W64LIT(0xbcbbca47819d78f2), +W64LIT(0xd79ebde626f7f8ea), +W64LIT(0x5bc98f394c1b0521), +W64LIT(0x2246a5e17d184f6f), +W64LIT(0x12aa5d799669ca56), +W64LIT(0x5ea765d9bab43c79), +W64LIT(0x8939d83f9c43c493), +W64LIT(0x32b15e3a24379f78), +W64LIT(0xe914ddfabfa13be1), +W64LIT(0x909bf7228ea271af), +W64LIT(0x73530bed28a838fe), +W64LIT(0xd2f05706d058c1b2), +W64LIT(0xfed06a63df67c8ef), +W64LIT(0xb43a4dd057701003), +W64LIT(0xa519e55a937ccdce), +W64LIT(0x75b414fe8c62163d), +W64LIT(0xafc5c46f8ad7bf7e), +W64LIT(0x2392f6b0e03b42b5), +W64LIT(0x386d7f0f3d9cedc8), +W64LIT(0x21cf50122f7d58f4), +W64LIT(0x9b9385460a2a0ec5), +W64LIT(0x5115ae0c55b07791), +W64LIT(0x0fb2cbd5ef044be8), +W64LIT(0xea9d2809edc42c7a), +W64LIT(0xcc613459fb505797), +W64LIT(0x426ba0245efab01d), +W64LIT(0x1599113baf80e94f), +W64LIT(0x7d3593695a8f7ecc), +W64LIT(0x0389f5f35265179b), +W64LIT(0x875f40bbee6482a1), +W64LIT(0x95f51dc2780d48f7), +W64LIT(0x7ce1c038c7ac7316), +W64LIT(0xce3c92fb34164dd6), +W64LIT(0xcdb5670866735a4d), +W64LIT(0x8ab02dccce26d308), +W64LIT(0x914fa47313817c75), +W64LIT(0x8b647e9d5305ded2), +W64LIT(0xd82c7633c9f3b302), +W64LIT(0x728758bcb58b3524), +W64LIT(0xe8c08eab2282363b), +W64LIT(0x8fdec72c3889ea50), +W64LIT(0x2b13712736d62a44), +W64LIT(0x3cd7c6be5610d94a), +W64LIT(0x37dfb4dad298a620), +W64LIT(0x868b13ea73478f7b), +W64LIT(0xb7b3b82305150798), +W64LIT(0x0b08726484887f6a), +W64LIT(0x1bff89bfdda7af7d), +W64LIT(0x77e9b25c43240c7c), +W64LIT(0xf0b6f2e7ad408edd), +W64LIT(0x17c4b79960c6f30e), +W64LIT(0x8c5732df6aecfdcb), +W64LIT(0x68ac8252f50f9783), +W64LIT(0x66ca1ad68728d1b1), +W64LIT(0x6b2577a1a76a8018), +W64LIT(0xe21caf9e3b29448b), +W64LIT(0xa74443f85c3ad78f), +W64LIT(0xfd599f908d02df74), +W64LIT(0x967ce8312a685f6c), +/* box 3 */ +W64LIT(0xfa7b9775ba3af751), +W64LIT(0x03ef98cb769c2d13), +W64LIT(0x7191ce067072359e), +W64LIT(0xbab18b6bff7516a8), 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+W64LIT(0x01f6dbea81741ba2), +W64LIT(0x87bc26b5e7277683), +W64LIT(0x393f2b9c03770cbc), +W64LIT(0xddc387f30f5e3c53), +W64LIT(0xeb454b6257daa9b0), +W64LIT(0xb323a905484bd5d1), +W64LIT(0xb13aea24bfa3e360), +W64LIT(0x315bd218353dd467), +W64LIT(0x2bee6f40980b7f4e), +W64LIT(0xe95c0843a0329f01), +W64LIT(0xc56f798a5580a1cb), +W64LIT(0xbf75d6c36524619d), +W64LIT(0x29f72c616fe349ff), +W64LIT(0xc0ab2422cfd1d6fe), +/* box 4 */ +W64LIT(0x561fc423e957943c), +W64LIT(0x014287ca69079288), +W64LIT(0x2f086129dfcd1d21), +W64LIT(0xc537d4aea044fd99), +W64LIT(0xf1e8c3bfd7c8a457), +W64LIT(0x2971998a5cdf9bfb), +W64LIT(0x23fa649a2ce9e460), +W64LIT(0x3aa9e9c356a6716a), +W64LIT(0xd6efa4e7aa3d1708), +W64LIT(0x705a24b1fda5b5eb), +W64LIT(0x101e0ce2b170a9fc), +W64LIT(0x7ca821020e814caa), +W64LIT(0x0bc97ada1931ed13), +W64LIT(0x34df1711778c59ce), +W64LIT(0xd35020ef9226d2bf), +W64LIT(0x575d43e9805006b4), +W64LIT(0x91acebec9b1db840), +W64LIT(0x549b3f423b5945d9), +W64LIT(0x99a3ed9d3925163e), +W64LIT(0x7917a50a369a891d), 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+W64LIT(0x96618eeead7a8172), +W64LIT(0xcb5d79ae5f844bea), +W64LIT(0x21c5fd676af8721f), +W64LIT(0x5720a78d0ccec19e), +W64LIT(0xf6726433958f4252), +W64LIT(0x8d4b56d02532637b), +W64LIT(0x24cbd5fb15e08d1c), +W64LIT(0x3aef2559e2b09016), +W64LIT(0x5afccf84da455336), +W64LIT(0x51879765f5de6b9c), +W64LIT(0x2917bdf2c36b1fb4), +W64LIT(0xa7f5f356605129ce), +W64LIT(0xc1412963a1b440ec), +W64LIT(0x3d2f1d9dca0b09b8), +W64LIT(0xa53be30e37f24f63), +W64LIT(0x5ff2e718a55dac35), +W64LIT(0xa2fbdbca1f49d6cd), +W64LIT(0xf7156c1f442471fe), +W64LIT(0x7a5e3acf61161285), +W64LIT(0xca3a71828e2f7846), +W64LIT(0x1b2ad83e8848e209), +W64LIT(0xa8e78b07e179ddcb), +W64LIT(0xef96ac554a64c6f6), +W64LIT(0x0000000000000000), +W64LIT(0x6013eadd38f5c320), +W64LIT(0x3c4815b11ba03a14), +W64LIT(0x09b548b978385e07), +W64LIT(0x226ce513ecf0271e), +W64LIT(0x63baf2a9befd9621), +W64LIT(0x44d83f262d154e3c), +W64LIT(0xcdfa4946a694e1e8), +W64LIT(0x113688f37678e90f), +W64LIT(0x859916458ca10ed0), +W64LIT(0xc52809d30f078c43), 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+W64LIT(0xcc9d416a773fd244), +W64LIT(0x5c5bff6c2355f934), +W64LIT(0x2870b5de12c02c18), +W64LIT(0x155fa843d8cb25a0), +W64LIT(0x78902a9736b57428), +W64LIT(0xae40bbef186977c9), +W64LIT(0x88457e4c5a2a9c78), +W64LIT(0x6a0fba10c6c5c826), +W64LIT(0x7f5012531e0eed86), +W64LIT(0x8c2c5efcf49950d7), +W64LIT(0x31947db8cd2ba8bc), +W64LIT(0x2c19956ebc73e0b7), +W64LIT(0x230bed3f3d5b14b2), +W64LIT(0x69a6a26440cd9d27), +W64LIT(0x86300e310aa95bd1), +W64LIT(0xb3cd533969313fc2), +W64LIT(0x1883c04a0e40b708), +W64LIT(0xf1b25cf7bd34dbfc), +W64LIT(0x2fb08d1a3a7bb5b6), +W64LIT(0xd8a5e1057e5fc448), +W64LIT(0xddabc99901473b4b), +W64LIT(0xde02d1ed874f6e4a), +W64LIT(0xbdb8234439b2f86b), +W64LIT(0x5647afa1dd65f232), +W64LIT(0x2ed78536ebd0861a), +W64LIT(0xe9319cbdb3746cf4), +W64LIT(0xa692fb7ab1fa1a62), +W64LIT(0x742b4ab23195d52c), +W64LIT(0x95c8969a2b72d473), +W64LIT(0x6174e2f1e95ef08c), +W64LIT(0xf807144ec50c85fb), +W64LIT(0xbe113b30bfbaad6a), +W64LIT(0xda6bf15d29fca2e5), +W64LIT(0xbb1f13acc0a25269), +/* box 7 */ +W64LIT(0xc22b27f0f9e37bf9), +W64LIT(0x93fad23f0955ef09), +W64LIT(0x32ed4b84a22a91a2), +W64LIT(0x3898b57bcc61b1cc), +W64LIT(0x55825ba9ad98e5ad), +W64LIT(0xb2eeb8069421ec94), +W64LIT(0xc7eb5875ce3c6bce), +W64LIT(0x4b1dac5d1f45851f), +W64LIT(0xc16ba1204705d847), +W64LIT(0xc5380f461a2ba91a), +W64LIT(0xb908971a909bad90), +W64LIT(0x303e1cb7763d5376), +W64LIT(0xe6ff324c53486853), +W64LIT(0x6d1aeed261f95461), +W64LIT(0x0193d1e36af1616a), +W64LIT(0x51d1f5cff0b694f0), +W64LIT(0x29b2c3f52728e127), +W64LIT(0x112a768eeb4950eb), +W64LIT(0x8fb672f86f9f4d6f), +W64LIT(0xf0c66c745bc9ea5b), +W64LIT(0x3f8b9dcd2fa9632f), +W64LIT(0x65bc471edba5b6db), +W64LIT(0x4d9d5508967c3696), +W64LIT(0x3a4be24818767318), +W64LIT(0x2794936c144db014), +W64LIT(0x2af2452599ce4299), +W64LIT(0x4a8e7dbe75b4e475), +W64LIT(0x9ddc82a63a30be3a), +W64LIT(0xade29e114c0ded4c), +W64LIT(0xd1d2064dc6bde9c6), +W64LIT(0x7da349bfe04165e0), +W64LIT(0x6b9a1787e8c0e7e8), +W64LIT(0xa54437ddf6510ff6), +W64LIT(0x2254ece92392a023), +W64LIT(0x79f0e7d9bd6f14bd), +W64LIT(0x57510c9a798f2779), +W64LIT(0x346db2d12b13222b), +W64LIT(0x54118a4ac76984c7), +W64LIT(0xefca4a6383e5eb83), +W64LIT(0xca8d8e3c43bf9943), +W64LIT(0xfc336bdebcbb79bc), +W64LIT(0x3e184c2e45580245), +W64LIT(0xf495c21206e79b06), +W64LIT(0xff73ed0e025dda02), +W64LIT(0x4228d472cfe806cf), +W64LIT(0xbcc8e89fa744bda7), +W64LIT(0xab626744c5345ec5), +W64LIT(0xb6bd1660c90f9dc9), +W64LIT(0xb72ec783a3fefca3), +W64LIT(0x8be5dc9e32b13c32), +W64LIT(0x485d2a8da1a326a1), +W64LIT(0xc6788996a4cd0aa4), +W64LIT(0x40fb83411bffc41b), +W64LIT(0x08a6a9ccba5ce2ba), +W64LIT(0xf386eaa4e52f49e5), +W64LIT(0x1acc5992eff311ef), +W64LIT(0xa2571f6b1599dd15), +W64LIT(0x44a82d2746d1b546), +W64LIT(0x70c59ff66dc2976d), +W64LIT(0x8d6525cbbb888fbb), +W64LIT(0x963aadba3e8aff3e), +W64LIT(0x7c30985c8ab0048a), +W64LIT(0x607c389bec7aa6ec), +W64LIT(0xa822e1947bd2fd7b), +W64LIT(0x034086d0bee6a3be), +W64LIT(0x66fcc1ce65431565), +W64LIT(0xb37d69e5fed08dfe), +W64LIT(0x2f323aa0ae1152ae), +W64LIT(0x56c2dd79137e4613), +W64LIT(0x31adcd541ccc321c), +W64LIT(0xdff456d4f5d8b8f5), +W64LIT(0xf9f3145b8b64698b), +W64LIT(0x764566a3e4fb24e4), +W64LIT(0x0cf507aae77293e7), +W64LIT(0x59775c034aea764a), +W64LIT(0xb89b46f9fa6accfa), +W64LIT(0xe8d962d5602d3960), +W64LIT(0x17aa8fdb6270e362), +W64LIT(0x1c4ca0c766caa266), +W64LIT(0x2de16d937a06907a), +W64LIT(0x2547c45fc05a72c0), +W64LIT(0x0fb5817a59943059), +W64LIT(0x0680f9558939b389), +W64LIT(0x16395e3808818208), +W64LIT(0xac714ff226fc8c26), +W64LIT(0xa9b1307711239c11), +W64LIT(0xec8accb33d03483d), +W64LIT(0x6c893f310b08350b), +W64LIT(0xc4abdea570dac870), +W64LIT(0xba4811ca2e7d0e2e), +W64LIT(0xf155bd9731388b31), +W64LIT(0xdd2701e721cf7a21), +W64LIT(0xe94ab3360adc580a), +W64LIT(0x23c73d0a4963c149), +W64LIT(0x5cb723867d35667d), +W64LIT(0x5042242c9a47f59a), +W64LIT(0x198cdf425115b251), +W64LIT(0x0a75feff6e4b206e), +W64LIT(0xfda0ba3dd64a18d6), +W64LIT(0xcede205a1e91e81e), +W64LIT(0xd041d7aeac4c88ac), +W64LIT(0xe42c657f875faa87), +W64LIT(0x36bee5e2ff04e0ff), +W64LIT(0x6fc9b9e1b5ee96b5), +W64LIT(0x998f2cc0671ecf67), +W64LIT(0xd301517e12aa2b12), +W64LIT(0xaea218c1f2eb4ef2), +W64LIT(0xda342951c207a8c2), +W64LIT(0x61efe978868bc786), +W64LIT(0x7f701e8c3456a734), +W64LIT(0x0be62f1c04ba4104), +W64LIT(0x9129850cdd422ddd), +W64LIT(0xd6c12efb25753b25), +W64LIT(0xe33f4dc964977864), +W64LIT(0x1579d8e8b66721b6), +W64LIT(0xf860c5b8e19508e1), +W64LIT(0x7496319030ece630), +W64LIT(0x88a55a4e8c579f8c), +W64LIT(0xcf4df1b974608974), +W64LIT(0x10b9a76d81b83181), +W64LIT(0x0e26509933655133), +W64LIT(0x43bb0591a51967a5), +W64LIT(0x926903dc63a48e63), +W64LIT(0x9c4f534550c1df50), +W64LIT(0x3bd833ab72871272), +W64LIT(0xa4d7e63e9ca06e9c), +W64LIT(0xb46e41531d185f1d), +W64LIT(0x126af05e55aff355), +W64LIT(0x24d415bcaaab13aa), +W64LIT(0x1e9ff7f4b2dd60b2), +W64LIT(0x05c07f8537df1037), +W64LIT(0x467b7a1492c67792), +W64LIT(0x2087bbdaf78562f7), +W64LIT(0x819022615cfa1c5c), +W64LIT(0xcd9ea68aa0774ba0), +W64LIT(0xa79760ee2246cd22), +W64LIT(0x8343755288edde88), +W64LIT(0x58e48de0201b1720), +W64LIT(0x7216c8c5b9d555b9), +W64LIT(0x372d340195f58195), +W64LIT(0xa11799bbab7f7eab), +W64LIT(0x9f0fd595ee277cee), +W64LIT(0x676f102d0fb2740f), +W64LIT(0x9e9c047684d61d84), +W64LIT(0x49cefb6ecb5247cb), +W64LIT(0xd41279c8f162f9f1), +W64LIT(0x1f0c2617d82c01d8), +W64LIT(0x97a97c59547b9e54), +W64LIT(0xe76ce3af39b90939), +W64LIT(0xc3b8f61393121a93), +W64LIT(0x5ba40b309efdb49e), +W64LIT(0xea0a35e6b43afbb4), +W64LIT(0x5a37dad3f40cd5f4), +W64LIT(0x14ea090bdc9640dc), +W64LIT(0x5e6474b5a922a4a9), +W64LIT(0xfee03ced68acbb68), +W64LIT(0x071328b6e3c8d2e3), +W64LIT(0x5302a2fc24a15624), +W64LIT(0x85c38c0701d46d01), +W64LIT(0x3d58cafefbbea1fb), +W64LIT(0x84505de46b250c6b), +W64LIT(0x642f96fdb154d7b1), +W64LIT(0xbf886e4f19a21e19), +W64LIT(0x02d35733d417c2d4), +W64LIT(0x68da915756264456), +W64LIT(0x8710db34d5c3afd5), +W64LIT(0x0d66d6498d83f28d), +W64LIT(0x7b23b0ea6978d669), +W64LIT(0x1b5f887185027085), +W64LIT(0x3ccb1b1d914fc091), +W64LIT(0x0453ae665d2e715d), +W64LIT(0xcb1e5fdf294ef829), +W64LIT(0xf6469521d2f059d2), +W64LIT(0xb03def3540362e40), +W64LIT(0x633cbe4b529c0552), +W64LIT(0xf7d544c2b80138b8), +W64LIT(0x7ab061090389b703), +W64LIT(0x0000000000000000), +W64LIT(0xdba7f8b2a8f6c9a8), +W64LIT(0x35fe633241e24341), +W64LIT(0x21146a399d74039d), +W64LIT(0xd581a82b9b93989b), +W64LIT(0x0935782fd0ad83d0), +W64LIT(0x5ff7a556c3d3c5c3), +W64LIT(0xaf31c922981a2f98), +W64LIT(0x90ba54efb7b34cb7), +W64LIT(0x5291731f4e50374e), +W64LIT(0xc0f870c32df4b92d), +W64LIT(0x7ee3cf6f5ea7c65e), +W64LIT(0xe07fcb19da71dbda), +W64LIT(0x4eddd3d8289a9528), +W64LIT(0x13f921bd3f5e923f), +W64LIT(0xf50613f16c16fa6c), +W64LIT(0x981cfd230defae0d), +W64LIT(0x4c0e84ebfc8d57fc), +W64LIT(0x82d0a4b1e21cbfe2), +W64LIT(0x89368bade6a6fee6), +W64LIT(0xd292809d785b4a78), +W64LIT(0x47e8abf7f83716f8), +W64LIT(0x8e25a31b056e2c05), +W64LIT(0xd752ff184f845a4f), +W64LIT(0xcc0d7769ca862aca), +W64LIT(0x694940b43cd7253c), +W64LIT(0x2ea1eb43c4e033c4), +W64LIT(0xde6787379f29d99f), +W64LIT(0x181f0ea13be4d33b), +W64LIT(0x416852a2710ea571), +W64LIT(0x62af6fa8386d6438), +W64LIT(0xa0844858c18e1fc1), +W64LIT(0x337e9a67c8dbf0c8), +W64LIT(0x2c72bc7010f7f110), +W64LIT(0xbd5b397ccdb5dccd), +W64LIT(0xd8e77e6216106a16), +W64LIT(0x86830ad7bf32cebf), +W64LIT(0x4f4e023b426bf442), +W64LIT(0xe5bfb49cedaecbed), +W64LIT(0x8a760d7d58405d58), +W64LIT(0xe2ac9c2a0e66190e), +W64LIT(0xb5fd90b077e93e77), +W64LIT(0xdcb4d0044b3e1b4b), +W64LIT(0x453bfcc42c20d42c), +W64LIT(0xed191d5057f22957), +W64LIT(0xe1ec1afab080bab0), +W64LIT(0xee599b80e9148ae9), +W64LIT(0x2607428f7ebcd17e), +W64LIT(0x5d24f26517c40717), +W64LIT(0x6a09c66482318682), +W64LIT(0xa604b10d48b7ac48), +W64LIT(0xbe1bbfac73537f73), +W64LIT(0x282112164dd9804d), +W64LIT(0x7505e0735a1d875a), +W64LIT(0x73851926d32434d3), +W64LIT(0xd974af817ce10b7c), +W64LIT(0xeb99e405decb9ade), +W64LIT(0x9b5c7bf3b3090db3), +W64LIT(0xfab3928b3582ca35), +W64LIT(0x8003f382360b7d36), +W64LIT(0x94e9fa89ea9d3dea), +W64LIT(0xb1ae3ed62ac74f2a), +W64LIT(0x9acfaa10d9f86cd9), +W64LIT(0x390b6498a690d0a6), +W64LIT(0xf2153b478fde288f), +W64LIT(0x71564e150733f607), +W64LIT(0xa3c4ce887f68bc7f), +W64LIT(0xaaf1b6a7afc53faf), +W64LIT(0x1ddf71240c3bc30c), +W64LIT(0x77d6b7408e0a458e), +W64LIT(0x2b6194c6f33f23f3), +W64LIT(0xc9cd08ecfd593afd), +W64LIT(0xc85ed90f97a85b97), +W64LIT(0x8cf6f428d179eed1), +W64LIT(0x957a2b6a806c5c80), +W64LIT(0xbbdbc029448c6f44), +W64LIT(0x7863363ad79e75d7), +W64LIT(0x6e5a6802df1ff7df), +W64LIT(0xfb2043685f73ab5f), +}; + +NAMESPACE_END diff --git a/CryptoPP/simple.cpp b/CryptoPP/simple.cpp new file mode 100644 index 000000000..96f256b40 --- /dev/null +++ b/CryptoPP/simple.cpp @@ -0,0 +1,14 @@ +// simple.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "simple.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +NAMESPACE_END + +#endif diff --git a/CryptoPP/simple.h b/CryptoPP/simple.h new file mode 100644 index 000000000..35fd65ae4 --- /dev/null +++ b/CryptoPP/simple.h @@ -0,0 +1,209 @@ +// simple.h - written and placed in the public domain by Wei Dai +/*! \file + Simple non-interface classes derived from classes in cryptlib.h. +*/ + +#ifndef CRYPTOPP_SIMPLE_H +#define CRYPTOPP_SIMPLE_H + +#include "cryptlib.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class DERIVED, class BASE> +class CRYPTOPP_NO_VTABLE ClonableImpl : public BASE +{ +public: + Clonable * Clone() const {return new DERIVED(*static_cast<const DERIVED *>(this));} +}; + +//! _ +template <class BASE, class ALGORITHM_INFO=BASE> +class CRYPTOPP_NO_VTABLE AlgorithmImpl : public BASE +{ +public: + static std::string CRYPTOPP_API StaticAlgorithmName() {return ALGORITHM_INFO::StaticAlgorithmName();} + std::string AlgorithmName() const {return ALGORITHM_INFO::StaticAlgorithmName();} +}; + +//! _ +class CRYPTOPP_DLL InvalidKeyLength : public InvalidArgument +{ +public: + explicit InvalidKeyLength(const std::string &algorithm, size_t length) : InvalidArgument(algorithm + ": " + IntToString(length) + " is not a valid key length") {} +}; + +//! _ +class CRYPTOPP_DLL InvalidRounds : public InvalidArgument +{ +public: + explicit InvalidRounds(const std::string &algorithm, unsigned int rounds) : InvalidArgument(algorithm + ": " + IntToString(rounds) + " is not a valid number of rounds") {} +}; + +// ***************************** + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE Bufferless : public T +{ +public: + bool IsolatedFlush(bool hardFlush, bool blocking) {return false;} +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE Unflushable : public T +{ +public: + bool Flush(bool completeFlush, int propagation=-1, bool blocking=true) + {return ChannelFlush(DEFAULT_CHANNEL, completeFlush, propagation, blocking);} + bool IsolatedFlush(bool hardFlush, bool blocking) + {assert(false); return false;} + bool ChannelFlush(const std::string &channel, bool hardFlush, int propagation=-1, bool blocking=true) + { + if (hardFlush && !InputBufferIsEmpty()) + throw CannotFlush("Unflushable<T>: this object has buffered input that cannot be flushed"); + else + { + BufferedTransformation *attached = this->AttachedTransformation(); + return attached && propagation ? attached->ChannelFlush(channel, hardFlush, propagation-1, blocking) : false; + } + } + +protected: + virtual bool InputBufferIsEmpty() const {return false;} +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE InputRejecting : public T +{ +public: + struct InputRejected : public NotImplemented + {InputRejected() : NotImplemented("BufferedTransformation: this object doesn't allow input") {}}; + + // shouldn't be calling these functions on this class + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + {throw InputRejected();} + bool IsolatedFlush(bool, bool) {return false;} + bool IsolatedMessageSeriesEnd(bool) {throw InputRejected();} + + size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) + {throw InputRejected();} + bool ChannelMessageSeriesEnd(const std::string &, int, bool) {throw InputRejected();} +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE CustomFlushPropagation : public T +{ +public: + virtual bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) =0; + +private: + bool IsolatedFlush(bool hardFlush, bool blocking) {assert(false); return false;} +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE CustomSignalPropagation : public CustomFlushPropagation<T> +{ +public: + virtual void Initialize(const NameValuePairs ¶meters=g_nullNameValuePairs, int propagation=-1) =0; + +private: + void IsolatedInitialize(const NameValuePairs ¶meters) {assert(false);} +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE Multichannel : public CustomFlushPropagation<T> +{ +public: + bool Flush(bool hardFlush, int propagation=-1, bool blocking=true) + {return this->ChannelFlush(DEFAULT_CHANNEL, hardFlush, propagation, blocking);} + bool MessageSeriesEnd(int propagation=-1, bool blocking=true) + {return this->ChannelMessageSeriesEnd(DEFAULT_CHANNEL, propagation, blocking);} + byte * CreatePutSpace(size_t &size) + {return this->ChannelCreatePutSpace(DEFAULT_CHANNEL, size);} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + {return this->ChannelPut2(DEFAULT_CHANNEL, begin, length, messageEnd, blocking);} + size_t PutModifiable2(byte *inString, size_t length, int messageEnd, bool blocking) + {return this->ChannelPutModifiable2(DEFAULT_CHANNEL, inString, length, messageEnd, blocking);} + +// void ChannelMessageSeriesEnd(const std::string &channel, int propagation=-1) +// {PropagateMessageSeriesEnd(propagation, channel);} + byte * ChannelCreatePutSpace(const std::string &channel, size_t &size) + {size = 0; return NULL;} + bool ChannelPutModifiable(const std::string &channel, byte *inString, size_t length) + {this->ChannelPut(channel, inString, length); return false;} + + virtual size_t ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) =0; + size_t ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking) + {return ChannelPut2(channel, begin, length, messageEnd, blocking);} + + virtual bool ChannelFlush(const std::string &channel, bool hardFlush, int propagation=-1, bool blocking=true) =0; +}; + +//! _ +template <class T> +class CRYPTOPP_NO_VTABLE AutoSignaling : public T +{ +public: + AutoSignaling(int propagation=-1) : m_autoSignalPropagation(propagation) {} + + void SetAutoSignalPropagation(int propagation) + {m_autoSignalPropagation = propagation;} + int GetAutoSignalPropagation() const + {return m_autoSignalPropagation;} + +private: + int m_autoSignalPropagation; +}; + +//! A BufferedTransformation that only contains pre-existing data as "output" +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Store : public AutoSignaling<InputRejecting<BufferedTransformation> > +{ +public: + Store() : m_messageEnd(false) {} + + void IsolatedInitialize(const NameValuePairs ¶meters) + { + m_messageEnd = false; + StoreInitialize(parameters); + } + + unsigned int NumberOfMessages() const {return m_messageEnd ? 0 : 1;} + bool GetNextMessage(); + unsigned int CopyMessagesTo(BufferedTransformation &target, unsigned int count=UINT_MAX, const std::string &channel=DEFAULT_CHANNEL) const; + +protected: + virtual void StoreInitialize(const NameValuePairs ¶meters) =0; + + bool m_messageEnd; +}; + +//! A BufferedTransformation that doesn't produce any retrievable output +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Sink : public BufferedTransformation +{ +public: + size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) + {transferBytes = 0; return 0;} + size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const + {return 0;} +}; + +class CRYPTOPP_DLL BitBucket : public Bufferless<Sink> +{ +public: + std::string AlgorithmName() const {return "BitBucket";} + void IsolatedInitialize(const NameValuePairs ¶meters) {} + size_t Put2(const byte *begin, size_t length, int messageEnd, bool blocking) + {return 0;} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/skipjack.cpp b/CryptoPP/skipjack.cpp new file mode 100644 index 000000000..dad14bd76 --- /dev/null +++ b/CryptoPP/skipjack.cpp @@ -0,0 +1,202 @@ +// skipjack.cpp - modified by Wei Dai from Paulo Barreto's skipjack32.c, +// which is public domain according to his web site. + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "skipjack.h" + +/* + * Optimized implementation of SKIPJACK algorithm + * + * originally written by Panu Rissanen <bande@lut.fi> 1998.06.24 + * optimized by Mark Tillotson <markt@chaos.org.uk> 1998.06.25 + * optimized by Paulo Barreto <pbarreto@nw.com.br> 1998.06.30 + */ + +NAMESPACE_BEGIN(CryptoPP) + +/** + * The F-table byte permutation (see description of the G-box permutation) + */ +const byte SKIPJACK::Base::fTable[256] = { + 0xa3,0xd7,0x09,0x83,0xf8,0x48,0xf6,0xf4,0xb3,0x21,0x15,0x78,0x99,0xb1,0xaf,0xf9, + 0xe7,0x2d,0x4d,0x8a,0xce,0x4c,0xca,0x2e,0x52,0x95,0xd9,0x1e,0x4e,0x38,0x44,0x28, + 0x0a,0xdf,0x02,0xa0,0x17,0xf1,0x60,0x68,0x12,0xb7,0x7a,0xc3,0xe9,0xfa,0x3d,0x53, + 0x96,0x84,0x6b,0xba,0xf2,0x63,0x9a,0x19,0x7c,0xae,0xe5,0xf5,0xf7,0x16,0x6a,0xa2, + 0x39,0xb6,0x7b,0x0f,0xc1,0x93,0x81,0x1b,0xee,0xb4,0x1a,0xea,0xd0,0x91,0x2f,0xb8, + 0x55,0xb9,0xda,0x85,0x3f,0x41,0xbf,0xe0,0x5a,0x58,0x80,0x5f,0x66,0x0b,0xd8,0x90, + 0x35,0xd5,0xc0,0xa7,0x33,0x06,0x65,0x69,0x45,0x00,0x94,0x56,0x6d,0x98,0x9b,0x76, + 0x97,0xfc,0xb2,0xc2,0xb0,0xfe,0xdb,0x20,0xe1,0xeb,0xd6,0xe4,0xdd,0x47,0x4a,0x1d, + 0x42,0xed,0x9e,0x6e,0x49,0x3c,0xcd,0x43,0x27,0xd2,0x07,0xd4,0xde,0xc7,0x67,0x18, + 0x89,0xcb,0x30,0x1f,0x8d,0xc6,0x8f,0xaa,0xc8,0x74,0xdc,0xc9,0x5d,0x5c,0x31,0xa4, + 0x70,0x88,0x61,0x2c,0x9f,0x0d,0x2b,0x87,0x50,0x82,0x54,0x64,0x26,0x7d,0x03,0x40, + 0x34,0x4b,0x1c,0x73,0xd1,0xc4,0xfd,0x3b,0xcc,0xfb,0x7f,0xab,0xe6,0x3e,0x5b,0xa5, + 0xad,0x04,0x23,0x9c,0x14,0x51,0x22,0xf0,0x29,0x79,0x71,0x7e,0xff,0x8c,0x0e,0xe2, + 0x0c,0xef,0xbc,0x72,0x75,0x6f,0x37,0xa1,0xec,0xd3,0x8e,0x62,0x8b,0x86,0x10,0xe8, + 0x08,0x77,0x11,0xbe,0x92,0x4f,0x24,0xc5,0x32,0x36,0x9d,0xcf,0xf3,0xa6,0xbb,0xac, + 0x5e,0x6c,0xa9,0x13,0x57,0x25,0xb5,0xe3,0xbd,0xa8,0x3a,0x01,0x05,0x59,0x2a,0x46 +}; + +/** + * The key-dependent permutation G on V^16 is a four-round Feistel network. + * The round function is a fixed byte-substitution table (permutation on V^8), + * the F-table. Each round of G incorporates a single byte from the key. + */ +#define g(tab, w, i, j, k, l) \ +{ \ + w ^= (word)tab[i*256 + (w & 0xff)] << 8; \ + w ^= (word)tab[j*256 + (w >> 8)]; \ + w ^= (word)tab[k*256 + (w & 0xff)] << 8; \ + w ^= (word)tab[l*256 + (w >> 8)]; \ +} + +#define g0(tab, w) g(tab, w, 0, 1, 2, 3) +#define g1(tab, w) g(tab, w, 4, 5, 6, 7) +#define g2(tab, w) g(tab, w, 8, 9, 0, 1) +#define g3(tab, w) g(tab, w, 2, 3, 4, 5) +#define g4(tab, w) g(tab, w, 6, 7, 8, 9) + +/** + * The inverse of the G permutation. + */ +#define h(tab, w, i, j, k, l) \ +{ \ + w ^= (word)tab[l*256 + (w >> 8)]; \ + w ^= (word)tab[k*256 + (w & 0xff)] << 8; \ + w ^= (word)tab[j*256 + (w >> 8)]; \ + w ^= (word)tab[i*256 + (w & 0xff)] << 8; \ +} + +#define h0(tab, w) h(tab, w, 0, 1, 2, 3) +#define h1(tab, w) h(tab, w, 4, 5, 6, 7) +#define h2(tab, w) h(tab, w, 8, 9, 0, 1) +#define h3(tab, w) h(tab, w, 2, 3, 4, 5) +#define h4(tab, w) h(tab, w, 6, 7, 8, 9) + +/** + * Preprocess a user key into a table to save an XOR at each F-table access. + */ +void SKIPJACK::Base::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + /* tab[i][c] = fTable[c ^ key[i]] */ + int i; + for (i = 0; i < 10; i++) { + byte *t = tab+i*256, k = key[9-i]; + int c; + for (c = 0; c < 256; c++) { + t[c] = fTable[c ^ k]; + } + } +} + +typedef BlockGetAndPut<word16, LittleEndian> Block; + +/** + * Encrypt a single block of data. + */ +void SKIPJACK::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word16 w1, w2, w3, w4; + Block::Get(inBlock)(w4)(w3)(w2)(w1); + + /* stepping rule A: */ + g0(tab, w1); w4 ^= w1 ^ 1; + g1(tab, w4); w3 ^= w4 ^ 2; + g2(tab, w3); w2 ^= w3 ^ 3; + g3(tab, w2); w1 ^= w2 ^ 4; + g4(tab, w1); w4 ^= w1 ^ 5; + g0(tab, w4); w3 ^= w4 ^ 6; + g1(tab, w3); w2 ^= w3 ^ 7; + g2(tab, w2); w1 ^= w2 ^ 8; + + /* stepping rule B: */ + w2 ^= w1 ^ 9; g3(tab, w1); + w1 ^= w4 ^ 10; g4(tab, w4); + w4 ^= w3 ^ 11; g0(tab, w3); + w3 ^= w2 ^ 12; g1(tab, w2); + w2 ^= w1 ^ 13; g2(tab, w1); + w1 ^= w4 ^ 14; g3(tab, w4); + w4 ^= w3 ^ 15; g4(tab, w3); + w3 ^= w2 ^ 16; g0(tab, w2); + + /* stepping rule A: */ + g1(tab, w1); w4 ^= w1 ^ 17; + g2(tab, w4); w3 ^= w4 ^ 18; + g3(tab, w3); w2 ^= w3 ^ 19; + g4(tab, w2); w1 ^= w2 ^ 20; + g0(tab, w1); w4 ^= w1 ^ 21; + g1(tab, w4); w3 ^= w4 ^ 22; + g2(tab, w3); w2 ^= w3 ^ 23; + g3(tab, w2); w1 ^= w2 ^ 24; + + /* stepping rule B: */ + w2 ^= w1 ^ 25; g4(tab, w1); + w1 ^= w4 ^ 26; g0(tab, w4); + w4 ^= w3 ^ 27; g1(tab, w3); + w3 ^= w2 ^ 28; g2(tab, w2); + w2 ^= w1 ^ 29; g3(tab, w1); + w1 ^= w4 ^ 30; g4(tab, w4); + w4 ^= w3 ^ 31; g0(tab, w3); + w3 ^= w2 ^ 32; g1(tab, w2); + + Block::Put(xorBlock, outBlock)(w4)(w3)(w2)(w1); +} + +/** + * Decrypt a single block of data. + */ +void SKIPJACK::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word16 w1, w2, w3, w4; + Block::Get(inBlock)(w4)(w3)(w2)(w1); + + /* stepping rule A: */ + h1(tab, w2); w3 ^= w2 ^ 32; + h0(tab, w3); w4 ^= w3 ^ 31; + h4(tab, w4); w1 ^= w4 ^ 30; + h3(tab, w1); w2 ^= w1 ^ 29; + h2(tab, w2); w3 ^= w2 ^ 28; + h1(tab, w3); w4 ^= w3 ^ 27; + h0(tab, w4); w1 ^= w4 ^ 26; + h4(tab, w1); w2 ^= w1 ^ 25; + + /* stepping rule B: */ + w1 ^= w2 ^ 24; h3(tab, w2); + w2 ^= w3 ^ 23; h2(tab, w3); + w3 ^= w4 ^ 22; h1(tab, w4); + w4 ^= w1 ^ 21; h0(tab, w1); + w1 ^= w2 ^ 20; h4(tab, w2); + w2 ^= w3 ^ 19; h3(tab, w3); + w3 ^= w4 ^ 18; h2(tab, w4); + w4 ^= w1 ^ 17; h1(tab, w1); + + /* stepping rule A: */ + h0(tab, w2); w3 ^= w2 ^ 16; + h4(tab, w3); w4 ^= w3 ^ 15; + h3(tab, w4); w1 ^= w4 ^ 14; + h2(tab, w1); w2 ^= w1 ^ 13; + h1(tab, w2); w3 ^= w2 ^ 12; + h0(tab, w3); w4 ^= w3 ^ 11; + h4(tab, w4); w1 ^= w4 ^ 10; + h3(tab, w1); w2 ^= w1 ^ 9; + + /* stepping rule B: */ + w1 ^= w2 ^ 8; h2(tab, w2); + w2 ^= w3 ^ 7; h1(tab, w3); + w3 ^= w4 ^ 6; h0(tab, w4); + w4 ^= w1 ^ 5; h4(tab, w1); + w1 ^= w2 ^ 4; h3(tab, w2); + w2 ^= w3 ^ 3; h2(tab, w3); + w3 ^= w4 ^ 2; h1(tab, w4); + w4 ^= w1 ^ 1; h0(tab, w1); + + Block::Put(xorBlock, outBlock)(w4)(w3)(w2)(w1); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/skipjack.h b/CryptoPP/skipjack.h new file mode 100644 index 000000000..6b1264737 --- /dev/null +++ b/CryptoPP/skipjack.h @@ -0,0 +1,61 @@ +#ifndef CRYPTOPP_SKIPJACK_H +#define CRYPTOPP_SKIPJACK_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct SKIPJACK_Info : public FixedBlockSize<8>, public FixedKeyLength<10> +{ + CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "SKIPJACK";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#SKIPJACK">SKIPJACK</a> +class SKIPJACK : public SKIPJACK_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SKIPJACK_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();} + + protected: + static const byte fTable[256]; + + FixedSizeSecBlock<byte, 10*256> tab; + }; + + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + private: + static const byte Se[256]; + static const word32 Te[4][256]; + }; + + class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + private: + static const byte Sd[256]; + static const word32 Td[4][256]; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef SKIPJACK::Encryption SKIPJACKEncryption; +typedef SKIPJACK::Decryption SKIPJACKDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/smartptr.h b/CryptoPP/smartptr.h new file mode 100644 index 000000000..a0a727edc --- /dev/null +++ b/CryptoPP/smartptr.h @@ -0,0 +1,223 @@ +#ifndef CRYPTOPP_SMARTPTR_H +#define CRYPTOPP_SMARTPTR_H + +#include "config.h" +#include <algorithm> + +NAMESPACE_BEGIN(CryptoPP) + +template <class T> class simple_ptr +{ +public: + simple_ptr(T *p = NULL) : m_p(p) {} + ~simple_ptr() {delete m_p; m_p = NULL;} // set m_p to NULL so double destruction (which might occur in Singleton) will be harmless + T *m_p; +}; + +template <class T> class member_ptr +{ +public: + explicit member_ptr(T *p = NULL) : m_p(p) {} + + ~member_ptr(); + + const T& operator*() const { return *m_p; } + T& operator*() { return *m_p; } + + const T* operator->() const { return m_p; } + T* operator->() { return m_p; } + + const T* get() const { return m_p; } + T* get() { return m_p; } + + T* release() + { + T *old_p = m_p; + m_p = 0; + return old_p; + } + + void reset(T *p = 0); + +protected: + member_ptr(const member_ptr<T>& rhs); // copy not allowed + void operator=(const member_ptr<T>& rhs); // assignment not allowed + + T *m_p; +}; + +template <class T> member_ptr<T>::~member_ptr() {delete m_p;} +template <class T> void member_ptr<T>::reset(T *p) {delete m_p; m_p = p;} + +// ******************************************************** + +template<class T> class value_ptr : public member_ptr<T> +{ +public: + value_ptr(const T &obj) : member_ptr<T>(new T(obj)) {} + value_ptr(T *p = NULL) : member_ptr<T>(p) {} + value_ptr(const value_ptr<T>& rhs) + : member_ptr<T>(rhs.m_p ? new T(*rhs.m_p) : NULL) {} + + value_ptr<T>& operator=(const value_ptr<T>& rhs); + bool operator==(const value_ptr<T>& rhs) + { + return (!this->m_p && !rhs.m_p) || (this->m_p && rhs.m_p && *this->m_p == *rhs.m_p); + } +}; + +template <class T> value_ptr<T>& value_ptr<T>::operator=(const value_ptr<T>& rhs) +{ + T *old_p = this->m_p; + this->m_p = rhs.m_p ? new T(*rhs.m_p) : NULL; + delete old_p; + return *this; +} + +// ******************************************************** + +template<class T> class clonable_ptr : public member_ptr<T> +{ +public: + clonable_ptr(const T &obj) : member_ptr<T>(obj.Clone()) {} + clonable_ptr(T *p = NULL) : member_ptr<T>(p) {} + clonable_ptr(const clonable_ptr<T>& rhs) + : member_ptr<T>(rhs.m_p ? rhs.m_p->Clone() : NULL) {} + + clonable_ptr<T>& operator=(const clonable_ptr<T>& rhs); +}; + +template <class T> clonable_ptr<T>& clonable_ptr<T>::operator=(const clonable_ptr<T>& rhs) +{ + T *old_p = this->m_p; + this->m_p = rhs.m_p ? rhs.m_p->Clone() : NULL; + delete old_p; + return *this; +} + +// ******************************************************** + +template<class T> class counted_ptr +{ +public: + explicit counted_ptr(T *p = 0); + counted_ptr(const T &r) : m_p(0) {attach(r);} + counted_ptr(const counted_ptr<T>& rhs); + + ~counted_ptr(); + + const T& operator*() const { return *m_p; } + T& operator*() { return *m_p; } + + const T* operator->() const { return m_p; } + T* operator->() { return get(); } + + const T* get() const { return m_p; } + T* get(); + + void attach(const T &p); + + counted_ptr<T> & operator=(const counted_ptr<T>& rhs); + +private: + T *m_p; +}; + +template <class T> counted_ptr<T>::counted_ptr(T *p) + : m_p(p) +{ + if (m_p) + m_p->m_referenceCount = 1; +} + +template <class T> counted_ptr<T>::counted_ptr(const counted_ptr<T>& rhs) + : m_p(rhs.m_p) +{ + if (m_p) + m_p->m_referenceCount++; +} + +template <class T> counted_ptr<T>::~counted_ptr() +{ + if (m_p && --m_p->m_referenceCount == 0) + delete m_p; +} + +template <class T> void counted_ptr<T>::attach(const T &r) +{ + if (m_p && --m_p->m_referenceCount == 0) + delete m_p; + if (r.m_referenceCount == 0) + { + m_p = r.clone(); + m_p->m_referenceCount = 1; + } + else + { + m_p = const_cast<T *>(&r); + m_p->m_referenceCount++; + } +} + +template <class T> T* counted_ptr<T>::get() +{ + if (m_p && m_p->m_referenceCount > 1) + { + T *temp = m_p->clone(); + m_p->m_referenceCount--; + m_p = temp; + m_p->m_referenceCount = 1; + } + return m_p; +} + +template <class T> counted_ptr<T> & counted_ptr<T>::operator=(const counted_ptr<T>& rhs) +{ + if (m_p != rhs.m_p) + { + if (m_p && --m_p->m_referenceCount == 0) + delete m_p; + m_p = rhs.m_p; + if (m_p) + m_p->m_referenceCount++; + } + return *this; +} + +// ******************************************************** + +template <class T> class vector_member_ptrs +{ +public: + vector_member_ptrs(size_t size=0) + : m_size(size), m_ptr(new member_ptr<T>[size]) {} + ~vector_member_ptrs() + {delete [] this->m_ptr;} + + member_ptr<T>& operator[](size_t index) + {assert(index<this->m_size); return this->m_ptr[index];} + const member_ptr<T>& operator[](size_t index) const + {assert(index<this->m_size); return this->m_ptr[index];} + + size_t size() const {return this->m_size;} + void resize(size_t newSize) + { + member_ptr<T> *newPtr = new member_ptr<T>[newSize]; + for (size_t i=0; i<this->m_size && i<newSize; i++) + newPtr[i].reset(this->m_ptr[i].release()); + delete [] this->m_ptr; + this->m_size = newSize; + this->m_ptr = newPtr; + } + +private: + vector_member_ptrs(const vector_member_ptrs<T> &c); // copy not allowed + void operator=(const vector_member_ptrs<T> &x); // assignment not allowed + + size_t m_size; + member_ptr<T> *m_ptr; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/socketft.cpp b/CryptoPP/socketft.cpp new file mode 100644 index 000000000..6c5a8ff9d --- /dev/null +++ b/CryptoPP/socketft.cpp @@ -0,0 +1,531 @@ +// socketft.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "socketft.h" + +#ifdef SOCKETS_AVAILABLE + +#include "wait.h" + +#ifdef USE_BERKELEY_STYLE_SOCKETS +#include <errno.h> +#include <netdb.h> +#include <unistd.h> +#include <arpa/inet.h> +#include <netinet/in.h> +#include <sys/ioctl.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef USE_WINDOWS_STYLE_SOCKETS +const int SOCKET_EINVAL = WSAEINVAL; +const int SOCKET_EWOULDBLOCK = WSAEWOULDBLOCK; +typedef int socklen_t; +#else +const int SOCKET_EINVAL = EINVAL; +const int SOCKET_EWOULDBLOCK = EWOULDBLOCK; +#endif + +Socket::Err::Err(socket_t s, const std::string& operation, int error) + : OS_Error(IO_ERROR, "Socket: " + operation + " operation failed with error " + IntToString(error), operation, error) + , m_s(s) +{ +} + +Socket::~Socket() +{ + if (m_own) + { + try + { + CloseSocket(); + } + catch (...) + { + } + } +} + +void Socket::AttachSocket(socket_t s, bool own) +{ + if (m_own) + CloseSocket(); + + m_s = s; + m_own = own; + SocketChanged(); +} + +socket_t Socket::DetachSocket() +{ + socket_t s = m_s; + m_s = INVALID_SOCKET; + SocketChanged(); + return s; +} + +void Socket::Create(int nType) +{ + assert(m_s == INVALID_SOCKET); + m_s = socket(AF_INET, nType, 0); + CheckAndHandleError("socket", m_s); + m_own = true; + SocketChanged(); +} + +void Socket::CloseSocket() +{ + if (m_s != INVALID_SOCKET) + { +#ifdef USE_WINDOWS_STYLE_SOCKETS + CancelIo((HANDLE) m_s); + CheckAndHandleError_int("closesocket", closesocket(m_s)); +#else + CheckAndHandleError_int("close", close(m_s)); +#endif + m_s = INVALID_SOCKET; + SocketChanged(); + } +} + +void Socket::Bind(unsigned int port, const char *addr) +{ + sockaddr_in sa; + memset(&sa, 0, sizeof(sa)); + sa.sin_family = AF_INET; + + if (addr == NULL) + sa.sin_addr.s_addr = htonl(INADDR_ANY); + else + { + unsigned long result = inet_addr(addr); + if (result == -1) // Solaris doesn't have INADDR_NONE + { + SetLastError(SOCKET_EINVAL); + CheckAndHandleError_int("inet_addr", SOCKET_ERROR); + } + sa.sin_addr.s_addr = result; + } + + sa.sin_port = htons((u_short)port); + + Bind((sockaddr *)&sa, sizeof(sa)); +} + +void Socket::Bind(const sockaddr *psa, socklen_t saLen) +{ + assert(m_s != INVALID_SOCKET); + // cygwin workaround: needs const_cast + CheckAndHandleError_int("bind", bind(m_s, const_cast<sockaddr *>(psa), saLen)); +} + +void Socket::Listen(int backlog) +{ + assert(m_s != INVALID_SOCKET); + CheckAndHandleError_int("listen", listen(m_s, backlog)); +} + +bool Socket::Connect(const char *addr, unsigned int port) +{ + assert(addr != NULL); + + sockaddr_in sa; + memset(&sa, 0, sizeof(sa)); + sa.sin_family = AF_INET; + sa.sin_addr.s_addr = inet_addr(addr); + + if (sa.sin_addr.s_addr == -1) // Solaris doesn't have INADDR_NONE + { + hostent *lphost = gethostbyname(addr); + if (lphost == NULL) + { + SetLastError(SOCKET_EINVAL); + CheckAndHandleError_int("gethostbyname", SOCKET_ERROR); + } + + sa.sin_addr.s_addr = ((in_addr *)lphost->h_addr)->s_addr; + } + + sa.sin_port = htons((u_short)port); + + return Connect((const sockaddr *)&sa, sizeof(sa)); +} + +bool Socket::Connect(const sockaddr* psa, socklen_t saLen) +{ + assert(m_s != INVALID_SOCKET); + int result = connect(m_s, const_cast<sockaddr*>(psa), saLen); + if (result == SOCKET_ERROR && GetLastError() == SOCKET_EWOULDBLOCK) + return false; + CheckAndHandleError_int("connect", result); + return true; +} + +bool Socket::Accept(Socket& target, sockaddr *psa, socklen_t *psaLen) +{ + assert(m_s != INVALID_SOCKET); + socket_t s = accept(m_s, psa, psaLen); + if (s == INVALID_SOCKET && GetLastError() == SOCKET_EWOULDBLOCK) + return false; + CheckAndHandleError("accept", s); + target.AttachSocket(s, true); + return true; +} + +void Socket::GetSockName(sockaddr *psa, socklen_t *psaLen) +{ + assert(m_s != INVALID_SOCKET); + CheckAndHandleError_int("getsockname", getsockname(m_s, psa, psaLen)); +} + +void Socket::GetPeerName(sockaddr *psa, socklen_t *psaLen) +{ + assert(m_s != INVALID_SOCKET); + CheckAndHandleError_int("getpeername", getpeername(m_s, psa, psaLen)); +} + +unsigned int Socket::Send(const byte* buf, size_t bufLen, int flags) +{ + assert(m_s != INVALID_SOCKET); + int result = send(m_s, (const char *)buf, UnsignedMin(INT_MAX, bufLen), flags); + CheckAndHandleError_int("send", result); + return result; +} + +unsigned int Socket::Receive(byte* buf, size_t bufLen, int flags) +{ + assert(m_s != INVALID_SOCKET); + int result = recv(m_s, (char *)buf, UnsignedMin(INT_MAX, bufLen), flags); + CheckAndHandleError_int("recv", result); + return result; +} + +void Socket::ShutDown(int how) +{ + assert(m_s != INVALID_SOCKET); + int result = shutdown(m_s, how); + CheckAndHandleError_int("shutdown", result); +} + +void Socket::IOCtl(long cmd, unsigned long *argp) +{ + assert(m_s != INVALID_SOCKET); +#ifdef USE_WINDOWS_STYLE_SOCKETS + CheckAndHandleError_int("ioctlsocket", ioctlsocket(m_s, cmd, argp)); +#else + CheckAndHandleError_int("ioctl", ioctl(m_s, cmd, argp)); +#endif +} + +bool Socket::SendReady(const timeval *timeout) +{ + fd_set fds; + FD_ZERO(&fds); + FD_SET(m_s, &fds); + int ready; + if (timeout == NULL) + ready = select((int)m_s+1, NULL, &fds, NULL, NULL); + else + { + timeval timeoutCopy = *timeout; // select() modified timeout on Linux + ready = select((int)m_s+1, NULL, &fds, NULL, &timeoutCopy); + } + CheckAndHandleError_int("select", ready); + return ready > 0; +} + +bool Socket::ReceiveReady(const timeval *timeout) +{ + fd_set fds; + FD_ZERO(&fds); + FD_SET(m_s, &fds); + int ready; + if (timeout == NULL) + ready = select((int)m_s+1, &fds, NULL, NULL, NULL); + else + { + timeval timeoutCopy = *timeout; // select() modified timeout on Linux + ready = select((int)m_s+1, &fds, NULL, NULL, &timeoutCopy); + } + CheckAndHandleError_int("select", ready); + return ready > 0; +} + +unsigned int Socket::PortNameToNumber(const char *name, const char *protocol) +{ + int port = atoi(name); + if (IntToString(port) == name) + return port; + + servent *se = getservbyname(name, protocol); + if (!se) + throw Err(INVALID_SOCKET, "getservbyname", SOCKET_EINVAL); + return ntohs(se->s_port); +} + +void Socket::StartSockets() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + WSADATA wsd; + int result = WSAStartup(0x0202, &wsd); + if (result != 0) + throw Err(INVALID_SOCKET, "WSAStartup", result); +#endif +} + +void Socket::ShutdownSockets() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + int result = WSACleanup(); + if (result != 0) + throw Err(INVALID_SOCKET, "WSACleanup", result); +#endif +} + +int Socket::GetLastError() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + return WSAGetLastError(); +#else + return errno; +#endif +} + +void Socket::SetLastError(int errorCode) +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + WSASetLastError(errorCode); +#else + errno = errorCode; +#endif +} + +void Socket::HandleError(const char *operation) const +{ + int err = GetLastError(); + throw Err(m_s, operation, err); +} + +#ifdef USE_WINDOWS_STYLE_SOCKETS + +SocketReceiver::SocketReceiver(Socket &s) + : m_s(s), m_resultPending(false), m_eofReceived(false) +{ + m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true); + m_s.CheckAndHandleError("CreateEvent", m_event.HandleValid()); + memset(&m_overlapped, 0, sizeof(m_overlapped)); + m_overlapped.hEvent = m_event; +} + +SocketReceiver::~SocketReceiver() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + CancelIo((HANDLE) m_s.GetSocket()); +#endif +} + +bool SocketReceiver::Receive(byte* buf, size_t bufLen) +{ + assert(!m_resultPending && !m_eofReceived); + + DWORD flags = 0; + // don't queue too much at once, or we might use up non-paged memory + WSABUF wsabuf = {UnsignedMin((u_long)128*1024, bufLen), (char *)buf}; + if (WSARecv(m_s, &wsabuf, 1, &m_lastResult, &flags, &m_overlapped, NULL) == 0) + { + if (m_lastResult == 0) + m_eofReceived = true; + } + else + { + switch (WSAGetLastError()) + { + default: + m_s.CheckAndHandleError_int("WSARecv", SOCKET_ERROR); + case WSAEDISCON: + m_lastResult = 0; + m_eofReceived = true; + break; + case WSA_IO_PENDING: + m_resultPending = true; + } + } + return !m_resultPending; +} + +void SocketReceiver::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (m_resultPending) + container.AddHandle(m_event, CallStack("SocketReceiver::GetWaitObjects() - result pending", &callStack)); + else if (!m_eofReceived) + container.SetNoWait(CallStack("SocketReceiver::GetWaitObjects() - result ready", &callStack)); +} + +unsigned int SocketReceiver::GetReceiveResult() +{ + if (m_resultPending) + { + DWORD flags = 0; + if (WSAGetOverlappedResult(m_s, &m_overlapped, &m_lastResult, false, &flags)) + { + if (m_lastResult == 0) + m_eofReceived = true; + } + else + { + switch (WSAGetLastError()) + { + default: + m_s.CheckAndHandleError("WSAGetOverlappedResult", FALSE); + case WSAEDISCON: + m_lastResult = 0; + m_eofReceived = true; + } + } + m_resultPending = false; + } + return m_lastResult; +} + +// ************************************************************* + +SocketSender::SocketSender(Socket &s) + : m_s(s), m_resultPending(false), m_lastResult(0) +{ + m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true); + m_s.CheckAndHandleError("CreateEvent", m_event.HandleValid()); + memset(&m_overlapped, 0, sizeof(m_overlapped)); + m_overlapped.hEvent = m_event; +} + + +SocketSender::~SocketSender() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + CancelIo((HANDLE) m_s.GetSocket()); +#endif +} + +void SocketSender::Send(const byte* buf, size_t bufLen) +{ + assert(!m_resultPending); + DWORD written = 0; + // don't queue too much at once, or we might use up non-paged memory + WSABUF wsabuf = {UnsignedMin((u_long)128*1024, bufLen), (char *)buf}; + if (WSASend(m_s, &wsabuf, 1, &written, 0, &m_overlapped, NULL) == 0) + { + m_resultPending = false; + m_lastResult = written; + } + else + { + if (WSAGetLastError() != WSA_IO_PENDING) + m_s.CheckAndHandleError_int("WSASend", SOCKET_ERROR); + + m_resultPending = true; + } +} + +void SocketSender::SendEof() +{ + assert(!m_resultPending); + m_s.ShutDown(SD_SEND); + m_s.CheckAndHandleError("ResetEvent", ResetEvent(m_event)); + m_s.CheckAndHandleError_int("WSAEventSelect", WSAEventSelect(m_s, m_event, FD_CLOSE)); + m_resultPending = true; +} + +bool SocketSender::EofSent() +{ + if (m_resultPending) + { + WSANETWORKEVENTS events; + m_s.CheckAndHandleError_int("WSAEnumNetworkEvents", WSAEnumNetworkEvents(m_s, m_event, &events)); + if ((events.lNetworkEvents & FD_CLOSE) != FD_CLOSE) + throw Socket::Err(m_s, "WSAEnumNetworkEvents (FD_CLOSE not present)", E_FAIL); + if (events.iErrorCode[FD_CLOSE_BIT] != 0) + throw Socket::Err(m_s, "FD_CLOSE (via WSAEnumNetworkEvents)", events.iErrorCode[FD_CLOSE_BIT]); + m_resultPending = false; + } + return m_lastResult != 0; +} + +void SocketSender::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (m_resultPending) + container.AddHandle(m_event, CallStack("SocketSender::GetWaitObjects() - result pending", &callStack)); + else + container.SetNoWait(CallStack("SocketSender::GetWaitObjects() - result ready", &callStack)); +} + +unsigned int SocketSender::GetSendResult() +{ + if (m_resultPending) + { + DWORD flags = 0; + BOOL result = WSAGetOverlappedResult(m_s, &m_overlapped, &m_lastResult, false, &flags); + m_s.CheckAndHandleError("WSAGetOverlappedResult", result); + m_resultPending = false; + } + return m_lastResult; +} + +#endif + +#ifdef USE_BERKELEY_STYLE_SOCKETS + +SocketReceiver::SocketReceiver(Socket &s) + : m_s(s), m_lastResult(0), m_eofReceived(false) +{ +} + +void SocketReceiver::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (!m_eofReceived) + container.AddReadFd(m_s, CallStack("SocketReceiver::GetWaitObjects()", &callStack)); +} + +bool SocketReceiver::Receive(byte* buf, size_t bufLen) +{ + m_lastResult = m_s.Receive(buf, bufLen); + if (bufLen > 0 && m_lastResult == 0) + m_eofReceived = true; + return true; +} + +unsigned int SocketReceiver::GetReceiveResult() +{ + return m_lastResult; +} + +SocketSender::SocketSender(Socket &s) + : m_s(s), m_lastResult(0) +{ +} + +void SocketSender::Send(const byte* buf, size_t bufLen) +{ + m_lastResult = m_s.Send(buf, bufLen); +} + +void SocketSender::SendEof() +{ + m_s.ShutDown(SD_SEND); +} + +unsigned int SocketSender::GetSendResult() +{ + return m_lastResult; +} + +void SocketSender::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + container.AddWriteFd(m_s, CallStack("SocketSender::GetWaitObjects()", &callStack)); +} + +#endif + +NAMESPACE_END + +#endif // #ifdef SOCKETS_AVAILABLE diff --git a/CryptoPP/socketft.h b/CryptoPP/socketft.h new file mode 100644 index 000000000..e414aa68f --- /dev/null +++ b/CryptoPP/socketft.h @@ -0,0 +1,224 @@ +#ifndef CRYPTOPP_SOCKETFT_H +#define CRYPTOPP_SOCKETFT_H + +#include "config.h" + +#ifdef SOCKETS_AVAILABLE + +#include "network.h" +#include "queue.h" + +#ifdef USE_WINDOWS_STYLE_SOCKETS +# if defined(_WINSOCKAPI_) && !defined(_WINSOCK2API_) +# error Winsock 1 is not supported by this library. Please include this file or winsock2.h before windows.h. +# endif +#include <winsock2.h> +#include "winpipes.h" +#else +#include <sys/time.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <unistd.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#ifdef USE_WINDOWS_STYLE_SOCKETS +typedef ::SOCKET socket_t; +#else +typedef int socket_t; +const socket_t INVALID_SOCKET = -1; +// cygwin 1.1.4 doesn't have SHUT_RD +const int SD_RECEIVE = 0; +const int SD_SEND = 1; +const int SD_BOTH = 2; +const int SOCKET_ERROR = -1; +#endif + +#ifndef socklen_t +typedef TYPE_OF_SOCKLEN_T socklen_t; // see config.h +#endif + +//! wrapper for Windows or Berkeley Sockets +class Socket +{ +public: + //! exception thrown by Socket class + class Err : public OS_Error + { + public: + Err(socket_t s, const std::string& operation, int error); + socket_t GetSocket() const {return m_s;} + + private: + socket_t m_s; + }; + + Socket(socket_t s = INVALID_SOCKET, bool own=false) : m_s(s), m_own(own) {} + Socket(const Socket &s) : m_s(s.m_s), m_own(false) {} + virtual ~Socket(); + + bool GetOwnership() const {return m_own;} + void SetOwnership(bool own) {m_own = own;} + + operator socket_t() {return m_s;} + socket_t GetSocket() const {return m_s;} + void AttachSocket(socket_t s, bool own=false); + socket_t DetachSocket(); + void CloseSocket(); + + void Create(int nType = SOCK_STREAM); + void Bind(unsigned int port, const char *addr=NULL); + void Bind(const sockaddr* psa, socklen_t saLen); + void Listen(int backlog=5); + // the next three functions return false if the socket is in nonblocking mode + // and the operation cannot be completed immediately + bool Connect(const char *addr, unsigned int port); + bool Connect(const sockaddr* psa, socklen_t saLen); + bool Accept(Socket& s, sockaddr *psa=NULL, socklen_t *psaLen=NULL); + void GetSockName(sockaddr *psa, socklen_t *psaLen); + void GetPeerName(sockaddr *psa, socklen_t *psaLen); + unsigned int Send(const byte* buf, size_t bufLen, int flags=0); + unsigned int Receive(byte* buf, size_t bufLen, int flags=0); + void ShutDown(int how = SD_SEND); + + void IOCtl(long cmd, unsigned long *argp); + bool SendReady(const timeval *timeout); + bool ReceiveReady(const timeval *timeout); + + virtual void HandleError(const char *operation) const; + void CheckAndHandleError_int(const char *operation, int result) const + {if (result == SOCKET_ERROR) HandleError(operation);} + void CheckAndHandleError(const char *operation, socket_t result) const + {if (result == SOCKET_ERROR) HandleError(operation);} +#ifdef USE_WINDOWS_STYLE_SOCKETS + void CheckAndHandleError(const char *operation, BOOL result) const + {assert(result==TRUE || result==FALSE); if (!result) HandleError(operation);} + void CheckAndHandleError(const char *operation, bool result) const + {if (!result) HandleError(operation);} +#endif + + //! look up the port number given its name, returns 0 if not found + static unsigned int PortNameToNumber(const char *name, const char *protocol="tcp"); + //! start Windows Sockets 2 + static void StartSockets(); + //! calls WSACleanup for Windows Sockets + static void ShutdownSockets(); + //! returns errno or WSAGetLastError + static int GetLastError(); + //! sets errno or calls WSASetLastError + static void SetLastError(int errorCode); + +protected: + virtual void SocketChanged() {} + + socket_t m_s; + bool m_own; +}; + +class SocketsInitializer +{ +public: + SocketsInitializer() {Socket::StartSockets();} + ~SocketsInitializer() {try {Socket::ShutdownSockets();} catch (...) {}} +}; + +class SocketReceiver : public NetworkReceiver +{ +public: + SocketReceiver(Socket &s); + +#ifdef USE_BERKELEY_STYLE_SOCKETS + bool MustWaitToReceive() {return true;} +#else + ~SocketReceiver(); + bool MustWaitForResult() {return true;} +#endif + bool Receive(byte* buf, size_t bufLen); + unsigned int GetReceiveResult(); + bool EofReceived() const {return m_eofReceived;} + + unsigned int GetMaxWaitObjectCount() const {return 1;} + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + +private: + Socket &m_s; + bool m_eofReceived; + +#ifdef USE_WINDOWS_STYLE_SOCKETS + WindowsHandle m_event; + OVERLAPPED m_overlapped; + bool m_resultPending; + DWORD m_lastResult; +#else + unsigned int m_lastResult; +#endif +}; + +class SocketSender : public NetworkSender +{ +public: + SocketSender(Socket &s); + +#ifdef USE_BERKELEY_STYLE_SOCKETS + bool MustWaitToSend() {return true;} +#else + ~SocketSender(); + bool MustWaitForResult() {return true;} + bool MustWaitForEof() { return true; } + bool EofSent(); +#endif + void Send(const byte* buf, size_t bufLen); + unsigned int GetSendResult(); + void SendEof(); + + unsigned int GetMaxWaitObjectCount() const {return 1;} + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + +private: + Socket &m_s; +#ifdef USE_WINDOWS_STYLE_SOCKETS + WindowsHandle m_event; + OVERLAPPED m_overlapped; + bool m_resultPending; + DWORD m_lastResult; +#else + unsigned int m_lastResult; +#endif +}; + +//! socket-based implementation of NetworkSource +class SocketSource : public NetworkSource, public Socket +{ +public: + SocketSource(socket_t s = INVALID_SOCKET, bool pumpAll = false, BufferedTransformation *attachment = NULL) + : NetworkSource(attachment), Socket(s), m_receiver(*this) + { + if (pumpAll) + PumpAll(); + } + +private: + NetworkReceiver & AccessReceiver() {return m_receiver;} + SocketReceiver m_receiver; +}; + +//! socket-based implementation of NetworkSink +class SocketSink : public NetworkSink, public Socket +{ +public: + SocketSink(socket_t s=INVALID_SOCKET, unsigned int maxBufferSize=0, unsigned int autoFlushBound=16*1024) + : NetworkSink(maxBufferSize, autoFlushBound), Socket(s), m_sender(*this) {} + + void SendEof() {ShutDown(SD_SEND);} + +private: + NetworkSender & AccessSender() {return m_sender;} + SocketSender m_sender; +}; + +NAMESPACE_END + +#endif // #ifdef SOCKETS_AVAILABLE + +#endif diff --git a/CryptoPP/sosemanuk.cpp b/CryptoPP/sosemanuk.cpp new file mode 100644 index 000000000..08636755e --- /dev/null +++ b/CryptoPP/sosemanuk.cpp @@ -0,0 +1,711 @@ +// sosemanuk.cpp - written and placed in the public domain by Wei Dai + +// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM sosemanuk.cpp" to generate MASM code + +#include "pch.h" + +#ifndef CRYPTOPP_GENERATE_X64_MASM + +#include "sosemanuk.h" +#include "misc.h" +#include "cpu.h" + +#include "serpentp.h" + +NAMESPACE_BEGIN(CryptoPP) + +void SosemanukPolicy::CipherSetKey(const NameValuePairs ¶ms, const byte *userKey, size_t keylen) +{ + Serpent_KeySchedule(m_key, 24, userKey, keylen); +} + +void SosemanukPolicy::CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length) +{ + assert(length==16); + + word32 a, b, c, d, e; + + typedef BlockGetAndPut<word32, LittleEndian> Block; + Block::Get(iv)(a)(b)(c)(d); + + const word32 *k = m_key; + unsigned int i=1; + + do + { + beforeS0(KX); beforeS0(S0); afterS0(LT); + afterS0(KX); afterS0(S1); afterS1(LT); + if (i == 3) // after 18th round + { + m_state[4] = b; + m_state[5] = e; + m_state[10] = c; + m_state[11] = a; + } + afterS1(KX); afterS1(S2); afterS2(LT); + afterS2(KX); afterS2(S3); afterS3(LT); + if (i == 2) // after 12th round + { + m_state[6] = c; + m_state[7] = d; + m_state[8] = b; + m_state[9] = e; + } + afterS3(KX); afterS3(S4); afterS4(LT); + afterS4(KX); afterS4(S5); afterS5(LT); + afterS5(KX); afterS5(S6); afterS6(LT); + afterS6(KX); afterS6(S7); afterS7(LT); + + if (i == 3) + break; + + ++i; + c = b; + b = e; + e = d; + d = a; + a = e; + k += 32; + } + while (true); + + afterS7(KX); + + m_state[0] = a; + m_state[1] = b; + m_state[2] = e; + m_state[3] = d; + +#define XMUX(c, x, y) (x ^ (y & (0 - (c & 1)))) + m_state[11] += XMUX(m_state[10], m_state[1], m_state[8]); + m_state[10] = rotlFixed(m_state[10] * 0x54655307, 7); +} + +extern "C" { +word32 s_sosemanukMulTables[512] = { +#if CRYPTOPP_BOOL_X86 | CRYPTOPP_BOOL_X64 + 0x00000000, 0xE19FCF12, 0x6B973724, 0x8A08F836, + 0xD6876E48, 0x3718A15A, 0xBD10596C, 0x5C8F967E, + 0x05A7DC90, 0xE4381382, 0x6E30EBB4, 0x8FAF24A6, + 0xD320B2D8, 0x32BF7DCA, 0xB8B785FC, 0x59284AEE, + 0x0AE71189, 0xEB78DE9B, 0x617026AD, 0x80EFE9BF, + 0xDC607FC1, 0x3DFFB0D3, 0xB7F748E5, 0x566887F7, + 0x0F40CD19, 0xEEDF020B, 0x64D7FA3D, 0x8548352F, + 0xD9C7A351, 0x38586C43, 0xB2509475, 0x53CF5B67, + 0x146722BB, 0xF5F8EDA9, 0x7FF0159F, 0x9E6FDA8D, + 0xC2E04CF3, 0x237F83E1, 0xA9777BD7, 0x48E8B4C5, + 0x11C0FE2B, 0xF05F3139, 0x7A57C90F, 0x9BC8061D, + 0xC7479063, 0x26D85F71, 0xACD0A747, 0x4D4F6855, + 0x1E803332, 0xFF1FFC20, 0x75170416, 0x9488CB04, + 0xC8075D7A, 0x29989268, 0xA3906A5E, 0x420FA54C, + 0x1B27EFA2, 0xFAB820B0, 0x70B0D886, 0x912F1794, + 0xCDA081EA, 0x2C3F4EF8, 0xA637B6CE, 0x47A879DC, + 0x28CE44DF, 0xC9518BCD, 0x435973FB, 0xA2C6BCE9, + 0xFE492A97, 0x1FD6E585, 0x95DE1DB3, 0x7441D2A1, + 0x2D69984F, 0xCCF6575D, 0x46FEAF6B, 0xA7616079, + 0xFBEEF607, 0x1A713915, 0x9079C123, 0x71E60E31, + 0x22295556, 0xC3B69A44, 0x49BE6272, 0xA821AD60, + 0xF4AE3B1E, 0x1531F40C, 0x9F390C3A, 0x7EA6C328, + 0x278E89C6, 0xC61146D4, 0x4C19BEE2, 0xAD8671F0, + 0xF109E78E, 0x1096289C, 0x9A9ED0AA, 0x7B011FB8, + 0x3CA96664, 0xDD36A976, 0x573E5140, 0xB6A19E52, + 0xEA2E082C, 0x0BB1C73E, 0x81B93F08, 0x6026F01A, + 0x390EBAF4, 0xD89175E6, 0x52998DD0, 0xB30642C2, + 0xEF89D4BC, 0x0E161BAE, 0x841EE398, 0x65812C8A, + 0x364E77ED, 0xD7D1B8FF, 0x5DD940C9, 0xBC468FDB, + 0xE0C919A5, 0x0156D6B7, 0x8B5E2E81, 0x6AC1E193, + 0x33E9AB7D, 0xD276646F, 0x587E9C59, 0xB9E1534B, + 0xE56EC535, 0x04F10A27, 0x8EF9F211, 0x6F663D03, + 0x50358817, 0xB1AA4705, 0x3BA2BF33, 0xDA3D7021, + 0x86B2E65F, 0x672D294D, 0xED25D17B, 0x0CBA1E69, + 0x55925487, 0xB40D9B95, 0x3E0563A3, 0xDF9AACB1, + 0x83153ACF, 0x628AF5DD, 0xE8820DEB, 0x091DC2F9, + 0x5AD2999E, 0xBB4D568C, 0x3145AEBA, 0xD0DA61A8, + 0x8C55F7D6, 0x6DCA38C4, 0xE7C2C0F2, 0x065D0FE0, + 0x5F75450E, 0xBEEA8A1C, 0x34E2722A, 0xD57DBD38, + 0x89F22B46, 0x686DE454, 0xE2651C62, 0x03FAD370, + 0x4452AAAC, 0xA5CD65BE, 0x2FC59D88, 0xCE5A529A, + 0x92D5C4E4, 0x734A0BF6, 0xF942F3C0, 0x18DD3CD2, + 0x41F5763C, 0xA06AB92E, 0x2A624118, 0xCBFD8E0A, + 0x97721874, 0x76EDD766, 0xFCE52F50, 0x1D7AE042, + 0x4EB5BB25, 0xAF2A7437, 0x25228C01, 0xC4BD4313, + 0x9832D56D, 0x79AD1A7F, 0xF3A5E249, 0x123A2D5B, + 0x4B1267B5, 0xAA8DA8A7, 0x20855091, 0xC11A9F83, + 0x9D9509FD, 0x7C0AC6EF, 0xF6023ED9, 0x179DF1CB, + 0x78FBCCC8, 0x996403DA, 0x136CFBEC, 0xF2F334FE, + 0xAE7CA280, 0x4FE36D92, 0xC5EB95A4, 0x24745AB6, + 0x7D5C1058, 0x9CC3DF4A, 0x16CB277C, 0xF754E86E, + 0xABDB7E10, 0x4A44B102, 0xC04C4934, 0x21D38626, + 0x721CDD41, 0x93831253, 0x198BEA65, 0xF8142577, + 0xA49BB309, 0x45047C1B, 0xCF0C842D, 0x2E934B3F, + 0x77BB01D1, 0x9624CEC3, 0x1C2C36F5, 0xFDB3F9E7, + 0xA13C6F99, 0x40A3A08B, 0xCAAB58BD, 0x2B3497AF, + 0x6C9CEE73, 0x8D032161, 0x070BD957, 0xE6941645, + 0xBA1B803B, 0x5B844F29, 0xD18CB71F, 0x3013780D, + 0x693B32E3, 0x88A4FDF1, 0x02AC05C7, 0xE333CAD5, + 0xBFBC5CAB, 0x5E2393B9, 0xD42B6B8F, 0x35B4A49D, + 0x667BFFFA, 0x87E430E8, 0x0DECC8DE, 0xEC7307CC, + 0xB0FC91B2, 0x51635EA0, 0xDB6BA696, 0x3AF46984, + 0x63DC236A, 0x8243EC78, 0x084B144E, 0xE9D4DB5C, + 0xB55B4D22, 0x54C48230, 0xDECC7A06, 0x3F53B514, +#else + 0x00000000, 0xE19FCF13, 0x6B973726, 0x8A08F835, + 0xD6876E4C, 0x3718A15F, 0xBD10596A, 0x5C8F9679, + 0x05A7DC98, 0xE438138B, 0x6E30EBBE, 0x8FAF24AD, + 0xD320B2D4, 0x32BF7DC7, 0xB8B785F2, 0x59284AE1, + 0x0AE71199, 0xEB78DE8A, 0x617026BF, 0x80EFE9AC, + 0xDC607FD5, 0x3DFFB0C6, 0xB7F748F3, 0x566887E0, + 0x0F40CD01, 0xEEDF0212, 0x64D7FA27, 0x85483534, + 0xD9C7A34D, 0x38586C5E, 0xB250946B, 0x53CF5B78, + 0x1467229B, 0xF5F8ED88, 0x7FF015BD, 0x9E6FDAAE, + 0xC2E04CD7, 0x237F83C4, 0xA9777BF1, 0x48E8B4E2, + 0x11C0FE03, 0xF05F3110, 0x7A57C925, 0x9BC80636, + 0xC747904F, 0x26D85F5C, 0xACD0A769, 0x4D4F687A, + 0x1E803302, 0xFF1FFC11, 0x75170424, 0x9488CB37, + 0xC8075D4E, 0x2998925D, 0xA3906A68, 0x420FA57B, + 0x1B27EF9A, 0xFAB82089, 0x70B0D8BC, 0x912F17AF, + 0xCDA081D6, 0x2C3F4EC5, 0xA637B6F0, 0x47A879E3, + 0x28CE449F, 0xC9518B8C, 0x435973B9, 0xA2C6BCAA, + 0xFE492AD3, 0x1FD6E5C0, 0x95DE1DF5, 0x7441D2E6, + 0x2D699807, 0xCCF65714, 0x46FEAF21, 0xA7616032, + 0xFBEEF64B, 0x1A713958, 0x9079C16D, 0x71E60E7E, + 0x22295506, 0xC3B69A15, 0x49BE6220, 0xA821AD33, + 0xF4AE3B4A, 0x1531F459, 0x9F390C6C, 0x7EA6C37F, + 0x278E899E, 0xC611468D, 0x4C19BEB8, 0xAD8671AB, + 0xF109E7D2, 0x109628C1, 0x9A9ED0F4, 0x7B011FE7, + 0x3CA96604, 0xDD36A917, 0x573E5122, 0xB6A19E31, + 0xEA2E0848, 0x0BB1C75B, 0x81B93F6E, 0x6026F07D, + 0x390EBA9C, 0xD891758F, 0x52998DBA, 0xB30642A9, + 0xEF89D4D0, 0x0E161BC3, 0x841EE3F6, 0x65812CE5, + 0x364E779D, 0xD7D1B88E, 0x5DD940BB, 0xBC468FA8, + 0xE0C919D1, 0x0156D6C2, 0x8B5E2EF7, 0x6AC1E1E4, + 0x33E9AB05, 0xD2766416, 0x587E9C23, 0xB9E15330, + 0xE56EC549, 0x04F10A5A, 0x8EF9F26F, 0x6F663D7C, + 0x50358897, 0xB1AA4784, 0x3BA2BFB1, 0xDA3D70A2, + 0x86B2E6DB, 0x672D29C8, 0xED25D1FD, 0x0CBA1EEE, + 0x5592540F, 0xB40D9B1C, 0x3E056329, 0xDF9AAC3A, + 0x83153A43, 0x628AF550, 0xE8820D65, 0x091DC276, + 0x5AD2990E, 0xBB4D561D, 0x3145AE28, 0xD0DA613B, + 0x8C55F742, 0x6DCA3851, 0xE7C2C064, 0x065D0F77, + 0x5F754596, 0xBEEA8A85, 0x34E272B0, 0xD57DBDA3, + 0x89F22BDA, 0x686DE4C9, 0xE2651CFC, 0x03FAD3EF, + 0x4452AA0C, 0xA5CD651F, 0x2FC59D2A, 0xCE5A5239, + 0x92D5C440, 0x734A0B53, 0xF942F366, 0x18DD3C75, + 0x41F57694, 0xA06AB987, 0x2A6241B2, 0xCBFD8EA1, + 0x977218D8, 0x76EDD7CB, 0xFCE52FFE, 0x1D7AE0ED, + 0x4EB5BB95, 0xAF2A7486, 0x25228CB3, 0xC4BD43A0, + 0x9832D5D9, 0x79AD1ACA, 0xF3A5E2FF, 0x123A2DEC, + 0x4B12670D, 0xAA8DA81E, 0x2085502B, 0xC11A9F38, + 0x9D950941, 0x7C0AC652, 0xF6023E67, 0x179DF174, + 0x78FBCC08, 0x9964031B, 0x136CFB2E, 0xF2F3343D, + 0xAE7CA244, 0x4FE36D57, 0xC5EB9562, 0x24745A71, + 0x7D5C1090, 0x9CC3DF83, 0x16CB27B6, 0xF754E8A5, + 0xABDB7EDC, 0x4A44B1CF, 0xC04C49FA, 0x21D386E9, + 0x721CDD91, 0x93831282, 0x198BEAB7, 0xF81425A4, + 0xA49BB3DD, 0x45047CCE, 0xCF0C84FB, 0x2E934BE8, + 0x77BB0109, 0x9624CE1A, 0x1C2C362F, 0xFDB3F93C, + 0xA13C6F45, 0x40A3A056, 0xCAAB5863, 0x2B349770, + 0x6C9CEE93, 0x8D032180, 0x070BD9B5, 0xE69416A6, + 0xBA1B80DF, 0x5B844FCC, 0xD18CB7F9, 0x301378EA, + 0x693B320B, 0x88A4FD18, 0x02AC052D, 0xE333CA3E, + 0xBFBC5C47, 0x5E239354, 0xD42B6B61, 0x35B4A472, + 0x667BFF0A, 0x87E43019, 0x0DECC82C, 0xEC73073F, + 0xB0FC9146, 0x51635E55, 0xDB6BA660, 0x3AF46973, + 0x63DC2392, 0x8243EC81, 0x084B14B4, 0xE9D4DBA7, + 0xB55B4DDE, 0x54C482CD, 0xDECC7AF8, 0x3F53B5EB, +#endif + 0x00000000, 0x180F40CD, 0x301E8033, 0x2811C0FE, + 0x603CA966, 0x7833E9AB, 0x50222955, 0x482D6998, + 0xC078FBCC, 0xD877BB01, 0xF0667BFF, 0xE8693B32, + 0xA04452AA, 0xB84B1267, 0x905AD299, 0x88559254, + 0x29F05F31, 0x31FF1FFC, 0x19EEDF02, 0x01E19FCF, + 0x49CCF657, 0x51C3B69A, 0x79D27664, 0x61DD36A9, + 0xE988A4FD, 0xF187E430, 0xD99624CE, 0xC1996403, + 0x89B40D9B, 0x91BB4D56, 0xB9AA8DA8, 0xA1A5CD65, + 0x5249BE62, 0x4A46FEAF, 0x62573E51, 0x7A587E9C, + 0x32751704, 0x2A7A57C9, 0x026B9737, 0x1A64D7FA, + 0x923145AE, 0x8A3E0563, 0xA22FC59D, 0xBA208550, + 0xF20DECC8, 0xEA02AC05, 0xC2136CFB, 0xDA1C2C36, + 0x7BB9E153, 0x63B6A19E, 0x4BA76160, 0x53A821AD, + 0x1B854835, 0x038A08F8, 0x2B9BC806, 0x339488CB, + 0xBBC11A9F, 0xA3CE5A52, 0x8BDF9AAC, 0x93D0DA61, + 0xDBFDB3F9, 0xC3F2F334, 0xEBE333CA, 0xF3EC7307, + 0xA492D5C4, 0xBC9D9509, 0x948C55F7, 0x8C83153A, + 0xC4AE7CA2, 0xDCA13C6F, 0xF4B0FC91, 0xECBFBC5C, + 0x64EA2E08, 0x7CE56EC5, 0x54F4AE3B, 0x4CFBEEF6, + 0x04D6876E, 0x1CD9C7A3, 0x34C8075D, 0x2CC74790, + 0x8D628AF5, 0x956DCA38, 0xBD7C0AC6, 0xA5734A0B, + 0xED5E2393, 0xF551635E, 0xDD40A3A0, 0xC54FE36D, + 0x4D1A7139, 0x551531F4, 0x7D04F10A, 0x650BB1C7, + 0x2D26D85F, 0x35299892, 0x1D38586C, 0x053718A1, + 0xF6DB6BA6, 0xEED42B6B, 0xC6C5EB95, 0xDECAAB58, + 0x96E7C2C0, 0x8EE8820D, 0xA6F942F3, 0xBEF6023E, + 0x36A3906A, 0x2EACD0A7, 0x06BD1059, 0x1EB25094, + 0x569F390C, 0x4E9079C1, 0x6681B93F, 0x7E8EF9F2, + 0xDF2B3497, 0xC724745A, 0xEF35B4A4, 0xF73AF469, + 0xBF179DF1, 0xA718DD3C, 0x8F091DC2, 0x97065D0F, + 0x1F53CF5B, 0x075C8F96, 0x2F4D4F68, 0x37420FA5, + 0x7F6F663D, 0x676026F0, 0x4F71E60E, 0x577EA6C3, + 0xE18D0321, 0xF98243EC, 0xD1938312, 0xC99CC3DF, + 0x81B1AA47, 0x99BEEA8A, 0xB1AF2A74, 0xA9A06AB9, + 0x21F5F8ED, 0x39FAB820, 0x11EB78DE, 0x09E43813, + 0x41C9518B, 0x59C61146, 0x71D7D1B8, 0x69D89175, + 0xC87D5C10, 0xD0721CDD, 0xF863DC23, 0xE06C9CEE, + 0xA841F576, 0xB04EB5BB, 0x985F7545, 0x80503588, + 0x0805A7DC, 0x100AE711, 0x381B27EF, 0x20146722, + 0x68390EBA, 0x70364E77, 0x58278E89, 0x4028CE44, + 0xB3C4BD43, 0xABCBFD8E, 0x83DA3D70, 0x9BD57DBD, + 0xD3F81425, 0xCBF754E8, 0xE3E69416, 0xFBE9D4DB, + 0x73BC468F, 0x6BB30642, 0x43A2C6BC, 0x5BAD8671, + 0x1380EFE9, 0x0B8FAF24, 0x239E6FDA, 0x3B912F17, + 0x9A34E272, 0x823BA2BF, 0xAA2A6241, 0xB225228C, + 0xFA084B14, 0xE2070BD9, 0xCA16CB27, 0xD2198BEA, + 0x5A4C19BE, 0x42435973, 0x6A52998D, 0x725DD940, + 0x3A70B0D8, 0x227FF015, 0x0A6E30EB, 0x12617026, + 0x451FD6E5, 0x5D109628, 0x750156D6, 0x6D0E161B, + 0x25237F83, 0x3D2C3F4E, 0x153DFFB0, 0x0D32BF7D, + 0x85672D29, 0x9D686DE4, 0xB579AD1A, 0xAD76EDD7, + 0xE55B844F, 0xFD54C482, 0xD545047C, 0xCD4A44B1, + 0x6CEF89D4, 0x74E0C919, 0x5CF109E7, 0x44FE492A, + 0x0CD320B2, 0x14DC607F, 0x3CCDA081, 0x24C2E04C, + 0xAC977218, 0xB49832D5, 0x9C89F22B, 0x8486B2E6, + 0xCCABDB7E, 0xD4A49BB3, 0xFCB55B4D, 0xE4BA1B80, + 0x17566887, 0x0F59284A, 0x2748E8B4, 0x3F47A879, + 0x776AC1E1, 0x6F65812C, 0x477441D2, 0x5F7B011F, + 0xD72E934B, 0xCF21D386, 0xE7301378, 0xFF3F53B5, + 0xB7123A2D, 0xAF1D7AE0, 0x870CBA1E, 0x9F03FAD3, + 0x3EA637B6, 0x26A9777B, 0x0EB8B785, 0x16B7F748, + 0x5E9A9ED0, 0x4695DE1D, 0x6E841EE3, 0x768B5E2E, + 0xFEDECC7A, 0xE6D18CB7, 0xCEC04C49, 0xD6CF0C84, + 0x9EE2651C, 0x86ED25D1, 0xAEFCE52F, 0xB6F3A5E2 +}; +} + +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 +unsigned int SosemanukPolicy::GetAlignment() const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#ifdef __INTEL_COMPILER + if (HasSSE2() && !IsP4()) // Intel compiler produces faster code for this algorithm on the P4 +#else + if (HasSSE2()) +#endif + return 16; + else +#endif + return GetAlignmentOf<word32>(); +} + +unsigned int SosemanukPolicy::GetOptimalBlockSize() const +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#ifdef __INTEL_COMPILER + if (HasSSE2() && !IsP4()) // Intel compiler produces faster code for this algorithm on the P4 +#else + if (HasSSE2()) +#endif + return 4*BYTES_PER_ITERATION; + else +#endif + return BYTES_PER_ITERATION; +} +#endif + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE +extern "C" { +void Sosemanuk_OperateKeystream(size_t iterationCount, const byte *input, byte *output, word32 *state); +} +#endif + +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code + +void SosemanukPolicy::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ +#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM + +#ifdef CRYPTOPP_X64_MASM_AVAILABLE + Sosemanuk_OperateKeystream(iterationCount, input, output, m_state.data()); + return; +#endif + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +#ifdef CRYPTOPP_GENERATE_X64_MASM + ALIGN 8 + Sosemanuk_OperateKeystream PROC FRAME + rex_push_reg rsi + push_reg rdi + alloc_stack(80*4*2+12*4+8*WORD_SZ + 2*16+8) + save_xmm128 xmm6, 02f0h + save_xmm128 xmm7, 0300h + .endprolog + mov rdi, r8 + mov rax, r9 +#else +#ifdef __INTEL_COMPILER + if (HasSSE2() && !IsP4()) // Intel compiler produces faster code for this algorithm on the P4 +#else + if (HasSSE2()) +#endif + { +#ifdef __GNUC__ + #if CRYPTOPP_BOOL_X64 + FixedSizeAlignedSecBlock<byte, 80*4*2+12*4+8*WORD_SZ> workspace; + #endif + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + AS_PUSH_IF86( bx) +#else + word32 *state = m_state; + AS2( mov WORD_REG(ax), state) + AS2( mov WORD_REG(di), output) + AS2( mov WORD_REG(dx), input) + AS2( mov WORD_REG(cx), iterationCount) +#endif +#endif // #ifdef CRYPTOPP_GENERATE_X64_MASM + +#if defined(__GNUC__) && CRYPTOPP_BOOL_X64 + #define SSE2_workspace %5 +#else + #define SSE2_workspace WORD_REG(sp) +#endif + +#define SSE2_output WORD_PTR [SSE2_workspace+1*WORD_SZ] +#define SSE2_input WORD_PTR [SSE2_workspace+2*WORD_SZ] +#define SSE2_wordsLeft WORD_PTR [SSE2_workspace+3*WORD_SZ] +#define SSE2_diEnd WORD_PTR [SSE2_workspace+4*WORD_SZ] +#define SSE2_pMulTables WORD_PTR [SSE2_workspace+5*WORD_SZ] +#define SSE2_state WORD_PTR [SSE2_workspace+6*WORD_SZ] +#define SSE2_wordsLeft2 WORD_PTR [SSE2_workspace+7*WORD_SZ] +#define SSE2_stateCopy SSE2_workspace + 8*WORD_SZ +#define SSE2_uvStart SSE2_stateCopy + 12*4 + +#if CRYPTOPP_BOOL_X86 + AS_PUSH_IF86( bp) + AS2( mov AS_REG_6, esp) + AS2( and esp, -16) + AS2( sub esp, 80*4*2+12*4+8*WORD_SZ) // 80 v's, 80 u's, 12 state, 8 locals + AS2( mov [esp], AS_REG_6) +#endif + AS2( mov SSE2_output, WORD_REG(di)) + AS2( mov SSE2_input, WORD_REG(dx)) + AS2( mov SSE2_state, WORD_REG(ax)) +#ifndef _MSC_VER + AS2( mov SSE2_pMulTables, WORD_REG(si)) +#endif + AS2( lea WORD_REG(cx), [4*WORD_REG(cx)+WORD_REG(cx)]) + AS2( lea WORD_REG(si), [4*WORD_REG(cx)]) + AS2( mov SSE2_wordsLeft, WORD_REG(si)) + AS2( movdqa xmm0, [WORD_REG(ax)+0*16]) // copy state to stack to save a register + AS2( movdqa [SSE2_stateCopy+0*16], xmm0) + AS2( movdqa xmm0, [WORD_REG(ax)+1*16]) + AS2( movdqa [SSE2_stateCopy+1*16], xmm0) + AS2( movq xmm0, QWORD PTR [WORD_REG(ax)+2*16]) + AS2( movq QWORD PTR [SSE2_stateCopy+2*16], xmm0) + AS2( psrlq xmm0, 32) + AS2( movd AS_REG_6d, xmm0) // s(9) + AS2( mov ecx, [WORD_REG(ax)+10*4]) + AS2( mov edx, [WORD_REG(ax)+11*4]) + AS2( pcmpeqb xmm7, xmm7) // all ones + +#define s(i) SSE2_stateCopy + ASM_MOD(i,10)*4 +#define u(j) WORD_REG(di) + (ASM_MOD(j,4)*20 + (j/4)) * 4 +#define v(j) WORD_REG(di) + (ASM_MOD(j,4)*20 + (j/4)) * 4 + 80*4 + +#define R10 ecx +#define R11 edx +#define R20 edx +#define R21 ecx +// workaround bug in GAS 2.15 +#define R20r WORD_REG(dx) +#define R21r WORD_REG(cx) + +#define SSE2_STEP(i, j) \ + AS2( mov eax, [s(i+0)])\ + AS2( mov [v(i)], eax)\ + AS2( rol eax, 8)\ + AS2( lea AS_REG_7, [AS_REG_6 + R2##j##r])\ + AS2( xor AS_REG_7d, R1##j)\ + AS2( mov [u(i)], AS_REG_7d)\ + AS2( mov AS_REG_7d, 1)\ + AS2( and AS_REG_7d, R2##j)\ + AS1( neg AS_REG_7d)\ + AS2( and AS_REG_7d, AS_REG_6d)\ + AS2( xor AS_REG_6d, eax)\ + AS2( movzx eax, al)\ + AS2( xor AS_REG_6d, [WORD_REG(si)+WORD_REG(ax)*4])\ + AS2( mov eax, [s(i+3)])\ + AS2( xor AS_REG_7d, [s(i+2)])\ + AS2( add R1##j, AS_REG_7d)\ + AS2( movzx AS_REG_7d, al)\ + AS2( shr eax, 8)\ + AS2( xor AS_REG_6d, [WORD_REG(si)+1024+AS_REG_7*4])\ + AS2( xor AS_REG_6d, eax)\ + AS2( imul R2##j, AS_HEX(54655307))\ + AS2( rol R2##j, 7)\ + AS2( mov [s(i+0)], AS_REG_6d)\ + + ASL(2) // outer loop, each iteration of this processes 80 words + AS2( lea WORD_REG(di), [SSE2_uvStart]) // start of v and u + AS2( mov WORD_REG(ax), 80) + AS2( cmp WORD_REG(si), 80) + AS2( cmovg WORD_REG(si), WORD_REG(ax)) + AS2( mov SSE2_wordsLeft2, WORD_REG(si)) + AS2( lea WORD_REG(si), [WORD_REG(di)+WORD_REG(si)]) // use to end first inner loop + AS2( mov SSE2_diEnd, WORD_REG(si)) +#ifdef _MSC_VER + AS2( lea WORD_REG(si), s_sosemanukMulTables) +#else + AS2( mov WORD_REG(si), SSE2_pMulTables) +#endif + + ASL(0) // first inner loop, 20 words each, 4 iterations + SSE2_STEP(0, 0) + SSE2_STEP(1, 1) + SSE2_STEP(2, 0) + SSE2_STEP(3, 1) + SSE2_STEP(4, 0) + SSE2_STEP(5, 1) + SSE2_STEP(6, 0) + SSE2_STEP(7, 1) + SSE2_STEP(8, 0) + SSE2_STEP(9, 1) + SSE2_STEP(10, 0) + SSE2_STEP(11, 1) + SSE2_STEP(12, 0) + SSE2_STEP(13, 1) + SSE2_STEP(14, 0) + SSE2_STEP(15, 1) + SSE2_STEP(16, 0) + SSE2_STEP(17, 1) + SSE2_STEP(18, 0) + SSE2_STEP(19, 1) + // loop + AS2( add WORD_REG(di), 5*4) + AS2( cmp WORD_REG(di), SSE2_diEnd) + ASJ( jne, 0, b) + + AS2( mov WORD_REG(ax), SSE2_input) + AS2( mov AS_REG_7, SSE2_output) + AS2( lea WORD_REG(di), [SSE2_uvStart]) // start of v and u + AS2( mov WORD_REG(si), SSE2_wordsLeft2) + + ASL(1) // second inner loop, 16 words each, 5 iterations + AS2( movdqa xmm0, [WORD_REG(di)+0*20*4]) + AS2( movdqa xmm2, [WORD_REG(di)+2*20*4]) + AS2( movdqa xmm3, [WORD_REG(di)+3*20*4]) + AS2( movdqa xmm1, [WORD_REG(di)+1*20*4]) + // S2 + AS2( movdqa xmm4, xmm0) + AS2( pand xmm0, xmm2) + AS2( pxor xmm0, xmm3) + AS2( pxor xmm2, xmm1) + AS2( pxor xmm2, xmm0) + AS2( por xmm3, xmm4) + AS2( pxor xmm3, xmm1) + AS2( pxor xmm4, xmm2) + AS2( movdqa xmm1, xmm3) + AS2( por xmm3, xmm4) + AS2( pxor xmm3, xmm0) + AS2( pand xmm0, xmm1) + AS2( pxor xmm4, xmm0) + AS2( pxor xmm1, xmm3) + AS2( pxor xmm1, xmm4) + AS2( pxor xmm4, xmm7) + // xor with v + AS2( pxor xmm2, [WORD_REG(di)+80*4]) + AS2( pxor xmm3, [WORD_REG(di)+80*5]) + AS2( pxor xmm1, [WORD_REG(di)+80*6]) + AS2( pxor xmm4, [WORD_REG(di)+80*7]) + // exit loop early if less than 16 words left to output + // this is necessary because block size is 20 words, and we output 16 words in each iteration of this loop + AS2( cmp WORD_REG(si), 16) + ASJ( jl, 4, f) + // unpack + AS2( movdqa xmm6, xmm2) + AS2( punpckldq xmm2, xmm3) + AS2( movdqa xmm5, xmm1) + AS2( punpckldq xmm1, xmm4) + AS2( movdqa xmm0, xmm2) + AS2( punpcklqdq xmm2, xmm1) + AS2( punpckhqdq xmm0, xmm1) + AS2( punpckhdq xmm6, xmm3) + AS2( punpckhdq xmm5, xmm4) + AS2( movdqa xmm3, xmm6) + AS2( punpcklqdq xmm6, xmm5) + AS2( punpckhqdq xmm3, xmm5) + // output keystream + AS_XMM_OUTPUT4(SSE2_Sosemanuk_Output, WORD_REG(ax), AS_REG_7, 2,0,6,3, 1, 0,1,2,3, 4) + + // loop + AS2( add WORD_REG(di), 4*4) + AS2( sub WORD_REG(si), 16) + ASJ( jnz, 1, b) + + // outer loop + AS2( mov WORD_REG(si), SSE2_wordsLeft) + AS2( sub WORD_REG(si), 80) + ASJ( jz, 6, f) + AS2( mov SSE2_wordsLeft, WORD_REG(si)) + AS2( mov SSE2_input, WORD_REG(ax)) + AS2( mov SSE2_output, AS_REG_7) + ASJ( jmp, 2, b) + + ASL(4) // final output of less than 16 words + AS2( test WORD_REG(ax), WORD_REG(ax)) + ASJ( jz, 5, f) + AS2( movd xmm0, dword ptr [WORD_REG(ax)+0*4]) + AS2( pxor xmm2, xmm0) + AS2( movd xmm0, dword ptr [WORD_REG(ax)+1*4]) + AS2( pxor xmm3, xmm0) + AS2( movd xmm0, dword ptr [WORD_REG(ax)+2*4]) + AS2( pxor xmm1, xmm0) + AS2( movd xmm0, dword ptr [WORD_REG(ax)+3*4]) + AS2( pxor xmm4, xmm0) + AS2( add WORD_REG(ax), 16) + ASL(5) + AS2( movd dword ptr [AS_REG_7+0*4], xmm2) + AS2( movd dword ptr [AS_REG_7+1*4], xmm3) + AS2( movd dword ptr [AS_REG_7+2*4], xmm1) + AS2( movd dword ptr [AS_REG_7+3*4], xmm4) + AS2( sub WORD_REG(si), 4) + ASJ( jz, 6, f) + AS2( add AS_REG_7, 16) + AS2( psrldq xmm2, 4) + AS2( psrldq xmm3, 4) + AS2( psrldq xmm1, 4) + AS2( psrldq xmm4, 4) + ASJ( jmp, 4, b) + + ASL(6) // save state + AS2( mov AS_REG_6, SSE2_state) + AS2( movdqa xmm0, [SSE2_stateCopy+0*16]) + AS2( movdqa [AS_REG_6+0*16], xmm0) + AS2( movdqa xmm0, [SSE2_stateCopy+1*16]) + AS2( movdqa [AS_REG_6+1*16], xmm0) + AS2( movq xmm0, QWORD PTR [SSE2_stateCopy+2*16]) + AS2( movq QWORD PTR [AS_REG_6+2*16], xmm0) + AS2( mov [AS_REG_6+10*4], ecx) + AS2( mov [AS_REG_6+11*4], edx) + + AS_POP_IF86( sp) + AS_POP_IF86( bp) + +#ifdef __GNUC__ + AS_POP_IF86( bx) + ".att_syntax prefix;" + : + : "a" (m_state.m_ptr), "c" (iterationCount), "S" (s_sosemanukMulTables), "D" (output), "d" (input) + #if CRYPTOPP_BOOL_X64 + , "r" (workspace.m_ptr) + : "memory", "cc", "%r9", "%r10", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7" + #else + : "memory", "cc" + #endif + ); +#endif +#ifdef CRYPTOPP_GENERATE_X64_MASM + movdqa xmm6, [rsp + 02f0h] + movdqa xmm7, [rsp + 0300h] + add rsp, 80*4*2+12*4+8*WORD_SZ + 2*16+8 + pop rdi + pop rsi + ret + Sosemanuk_OperateKeystream ENDP +#else + } + else +#endif +#endif +#ifndef CRYPTOPP_GENERATE_X64_MASM + { +#if CRYPTOPP_BOOL_X86 | CRYPTOPP_BOOL_X64 +#define MUL_A(x) (x = rotlFixed(x, 8), x ^ s_sosemanukMulTables[byte(x)]) +#else +#define MUL_A(x) (((x) << 8) ^ s_sosemanukMulTables[(x) >> 24]) +#endif + +#define DIV_A(x) (((x) >> 8) ^ s_sosemanukMulTables[256 + byte(x)]) + +#define r1(i) ((i%2) ? reg2 : reg1) +#define r2(i) ((i%2) ? reg1 : reg2) + +#define STEP(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, v, u) \ + u = (s##x9 + r2(x0)) ^ r1(x0);\ + v = s##x0;\ + s##x0 = MUL_A(s##x0) ^ DIV_A(s##x3) ^ s##x9;\ + r1(x0) += XMUX(r2(x0), s##x2, s##x9);\ + r2(x0) = rotlFixed(r2(x0) * 0x54655307, 7);\ + +#define SOSEMANUK_OUTPUT(x) \ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 0, u2 ^ v0);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 1, u3 ^ v1);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 2, u1 ^ v2);\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 3, u4 ^ v3); + +#define OUTPUT4 \ + S2(0, u0, u1, u2, u3, u4);\ + CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(SOSEMANUK_OUTPUT, 4*4); + + word32 s0 = m_state[0]; + word32 s1 = m_state[1]; + word32 s2 = m_state[2]; + word32 s3 = m_state[3]; + word32 s4 = m_state[4]; + word32 s5 = m_state[5]; + word32 s6 = m_state[6]; + word32 s7 = m_state[7]; + word32 s8 = m_state[8]; + word32 s9 = m_state[9]; + word32 reg1 = m_state[10]; + word32 reg2 = m_state[11]; + word32 u0, u1, u2, u3, u4, v0, v1, v2, v3; + + do + { + STEP(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, v0, u0) + STEP(1, 2, 3, 4, 5, 6, 7, 8, 9, 0, v1, u1) + STEP(2, 3, 4, 5, 6, 7, 8, 9, 0, 1, v2, u2) + STEP(3, 4, 5, 6, 7, 8, 9, 0, 1, 2, v3, u3) + OUTPUT4 + STEP(4, 5, 6, 7, 8, 9, 0, 1, 2, 3, v0, u0) + STEP(5, 6, 7, 8, 9, 0, 1, 2, 3, 4, v1, u1) + STEP(6, 7, 8, 9, 0, 1, 2, 3, 4, 5, v2, u2) + STEP(7, 8, 9, 0, 1, 2, 3, 4, 5, 6, v3, u3) + OUTPUT4 + STEP(8, 9, 0, 1, 2, 3, 4, 5, 6, 7, v0, u0) + STEP(9, 0, 1, 2, 3, 4, 5, 6, 7, 8, v1, u1) + STEP(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, v2, u2) + STEP(1, 2, 3, 4, 5, 6, 7, 8, 9, 0, v3, u3) + OUTPUT4 + STEP(2, 3, 4, 5, 6, 7, 8, 9, 0, 1, v0, u0) + STEP(3, 4, 5, 6, 7, 8, 9, 0, 1, 2, v1, u1) + STEP(4, 5, 6, 7, 8, 9, 0, 1, 2, 3, v2, u2) + STEP(5, 6, 7, 8, 9, 0, 1, 2, 3, 4, v3, u3) + OUTPUT4 + STEP(6, 7, 8, 9, 0, 1, 2, 3, 4, 5, v0, u0) + STEP(7, 8, 9, 0, 1, 2, 3, 4, 5, 6, v1, u1) + STEP(8, 9, 0, 1, 2, 3, 4, 5, 6, 7, v2, u2) + STEP(9, 0, 1, 2, 3, 4, 5, 6, 7, 8, v3, u3) + OUTPUT4 + } + while (--iterationCount); + + m_state[0] = s0; + m_state[1] = s1; + m_state[2] = s2; + m_state[3] = s3; + m_state[4] = s4; + m_state[5] = s5; + m_state[6] = s6; + m_state[7] = s7; + m_state[8] = s8; + m_state[9] = s9; + m_state[10] = reg1; + m_state[11] = reg2; + } +} + +NAMESPACE_END + +#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM diff --git a/CryptoPP/sosemanuk.h b/CryptoPP/sosemanuk.h new file mode 100644 index 000000000..ff1d820d2 --- /dev/null +++ b/CryptoPP/sosemanuk.h @@ -0,0 +1,40 @@ +#ifndef CRYPTOPP_SOSEMANUK_H +#define CRYPTOPP_SOSEMANUK_H + +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! algorithm info +struct SosemanukInfo : public VariableKeyLength<16, 1, 32, 1, SimpleKeyingInterface::UNIQUE_IV, 16> +{ + static const char * StaticAlgorithmName() {return "Sosemanuk";} +}; + +//! _ +class SosemanukPolicy : public AdditiveCipherConcretePolicy<word32, 20>, public SosemanukInfo +{ +protected: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length); + bool CipherIsRandomAccess() const {return false;} +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64 + unsigned int GetAlignment() const; + unsigned int GetOptimalBlockSize() const; +#endif + + FixedSizeSecBlock<word32, 25*4> m_key; + FixedSizeAlignedSecBlock<word32, 12> m_state; +}; + +//! <a href="http://www.cryptolounge.org/wiki/Sosemanuk">Sosemanuk</a> +struct Sosemanuk : public SosemanukInfo, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<SosemanukPolicy, AdditiveCipherTemplate<> >, SosemanukInfo> Encryption; + typedef Encryption Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/square.cpp b/CryptoPP/square.cpp new file mode 100644 index 000000000..00e6bddbe --- /dev/null +++ b/CryptoPP/square.cpp @@ -0,0 +1,177 @@ +// square.cpp - written and placed in the public domain by Wei Dai +// Based on Paulo S.L.M. Barreto's public domain implementation + +#include "pch.h" +#include "square.h" +#include "misc.h" +#include "gf256.h" + +NAMESPACE_BEGIN(CryptoPP) + +// apply theta to a roundkey +static void SquareTransform (word32 in[4], word32 out[4]) +{ + static const byte G[4][4] = + { + 0x02U, 0x01U, 0x01U, 0x03U, + 0x03U, 0x02U, 0x01U, 0x01U, + 0x01U, 0x03U, 0x02U, 0x01U, + 0x01U, 0x01U, 0x03U, 0x02U + }; + + GF256 gf256(0xf5); + + for (int i = 0; i < 4; i++) + { + word32 temp = 0; + for (int j = 0; j < 4; j++) + for (int k = 0; k < 4; k++) + temp ^= (word32)gf256.Multiply(GETBYTE(in[i], 3-k), G[k][j]) << ((3-j)*8); + out[i] = temp; + } +} + +#define roundkeys(i, j) m_roundkeys[(i)*4+(j)] +#define roundkeys4(i) (m_roundkeys+(i)*4) + +void Square::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &) +{ + AssertValidKeyLength(length); + + static const word32 offset[ROUNDS] = { + 0x01000000UL, 0x02000000UL, 0x04000000UL, 0x08000000UL, + 0x10000000UL, 0x20000000UL, 0x40000000UL, 0x80000000UL, + }; + + GetUserKey(BIG_ENDIAN_ORDER, m_roundkeys.data(), KEYLENGTH/4, userKey, KEYLENGTH); + + /* apply the key evolution function */ + for (int i = 1; i < ROUNDS+1; i++) + { + roundkeys(i, 0) = roundkeys(i-1, 0) ^ rotlFixed(roundkeys(i-1, 3), 8U) ^ offset[i-1]; + roundkeys(i, 1) = roundkeys(i-1, 1) ^ roundkeys(i, 0); + roundkeys(i, 2) = roundkeys(i-1, 2) ^ roundkeys(i, 1); + roundkeys(i, 3) = roundkeys(i-1, 3) ^ roundkeys(i, 2); + } + + /* produce the round keys */ + if (IsForwardTransformation()) + { + for (int i = 0; i < ROUNDS; i++) + SquareTransform (roundkeys4(i), roundkeys4(i)); + } + else + { + for (int i = 0; i < ROUNDS/2; i++) + for (int j = 0; j < 4; j++) + std::swap(roundkeys(i, j), roundkeys(ROUNDS-i, j)); + SquareTransform (roundkeys4(ROUNDS), roundkeys4(ROUNDS)); + } +} + +#define MSB(x) (((x) >> 24) & 0xffU) /* most significant byte */ +#define SSB(x) (((x) >> 16) & 0xffU) /* second in significance */ +#define TSB(x) (((x) >> 8) & 0xffU) /* third in significance */ +#define LSB(x) (((x) ) & 0xffU) /* least significant byte */ + +#define squareRound(text, temp, T0, T1, T2, T3, roundkey) \ +{ \ + temp[0] = T0[MSB (text[0])] \ + ^ T1[MSB (text[1])] \ + ^ T2[MSB (text[2])] \ + ^ T3[MSB (text[3])] \ + ^ roundkey[0]; \ + temp[1] = T0[SSB (text[0])] \ + ^ T1[SSB (text[1])] \ + ^ T2[SSB (text[2])] \ + ^ T3[SSB (text[3])] \ + ^ roundkey[1]; \ + temp[2] = T0[TSB (text[0])] \ + ^ T1[TSB (text[1])] \ + ^ T2[TSB (text[2])] \ + ^ T3[TSB (text[3])] \ + ^ roundkey[2]; \ + temp[3] = T0[LSB (text[0])] \ + ^ T1[LSB (text[1])] \ + ^ T2[LSB (text[2])] \ + ^ T3[LSB (text[3])] \ + ^ roundkey[3]; \ +} /* squareRound */ + +#define squareFinal(text, temp, S, roundkey) \ +{ \ + text[0] = ((word32) (S[MSB (temp[0])]) << 24) \ + ^ ((word32) (S[MSB (temp[1])]) << 16) \ + ^ ((word32) (S[MSB (temp[2])]) << 8) \ + ^ (word32) (S[MSB (temp[3])]) \ + ^ roundkey[0]; \ + text[1] = ((word32) (S[SSB (temp[0])]) << 24) \ + ^ ((word32) (S[SSB (temp[1])]) << 16) \ + ^ ((word32) (S[SSB (temp[2])]) << 8) \ + ^ (word32) (S[SSB (temp[3])]) \ + ^ roundkey[1]; \ + text[2] = ((word32) (S[TSB (temp[0])]) << 24) \ + ^ ((word32) (S[TSB (temp[1])]) << 16) \ + ^ ((word32) (S[TSB (temp[2])]) << 8) \ + ^ (word32) (S[TSB (temp[3])]) \ + ^ roundkey[2]; \ + text[3] = ((word32) (S[LSB (temp[0])]) << 24) \ + ^ ((word32) (S[LSB (temp[1])]) << 16) \ + ^ ((word32) (S[LSB (temp[2])]) << 8) \ + ^ (word32) (S[LSB (temp[3])]) \ + ^ roundkey[3]; \ +} /* squareFinal */ + +typedef BlockGetAndPut<word32, BigEndian> Block; + +void Square::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 text[4], temp[4]; + Block::Get(inBlock)(text[0])(text[1])(text[2])(text[3]); + + /* initial key addition */ + text[0] ^= roundkeys(0, 0); + text[1] ^= roundkeys(0, 1); + text[2] ^= roundkeys(0, 2); + text[3] ^= roundkeys(0, 3); + + /* ROUNDS - 1 full rounds */ + for (int i=1; i+1<ROUNDS; i+=2) + { + squareRound (text, temp, Te[0], Te[1], Te[2], Te[3], roundkeys4(i)); + squareRound (temp, text, Te[0], Te[1], Te[2], Te[3], roundkeys4(i+1)); + } + squareRound (text, temp, Te[0], Te[1], Te[2], Te[3], roundkeys4(ROUNDS-1)); + + /* last round (diffusion becomes only transposition) */ + squareFinal (text, temp, Se, roundkeys4(ROUNDS)); + + Block::Put(xorBlock, outBlock)(text[0])(text[1])(text[2])(text[3]); +} + +void Square::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 text[4], temp[4]; + Block::Get(inBlock)(text[0])(text[1])(text[2])(text[3]); + + /* initial key addition */ + text[0] ^= roundkeys(0, 0); + text[1] ^= roundkeys(0, 1); + text[2] ^= roundkeys(0, 2); + text[3] ^= roundkeys(0, 3); + + /* ROUNDS - 1 full rounds */ + for (int i=1; i+1<ROUNDS; i+=2) + { + squareRound (text, temp, Td[0], Td[1], Td[2], Td[3], roundkeys4(i)); + squareRound (temp, text, Td[0], Td[1], Td[2], Td[3], roundkeys4(i+1)); + } + squareRound (text, temp, Td[0], Td[1], Td[2], Td[3], roundkeys4(ROUNDS-1)); + + /* last round (diffusion becomes only transposition) */ + squareFinal (text, temp, Sd, roundkeys4(ROUNDS)); + + Block::Put(xorBlock, outBlock)(text[0])(text[1])(text[2])(text[3]); +} + +NAMESPACE_END diff --git a/CryptoPP/square.h b/CryptoPP/square.h new file mode 100644 index 000000000..d7e23c284 --- /dev/null +++ b/CryptoPP/square.h @@ -0,0 +1,58 @@ +#ifndef CRYPTOPP_SQUARE_H +#define CRYPTOPP_SQUARE_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Square_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, FixedRounds<8> +{ + static const char *StaticAlgorithmName() {return "Square";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#Square">Square</a> +class Square : public Square_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Square_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + FixedSizeSecBlock<word32, 4*(ROUNDS+1)> m_roundkeys; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + private: + static const byte Se[256]; + static const word32 Te[4][256]; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + private: + static const byte Sd[256]; + static const word32 Td[4][256]; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef Square::Encryption SquareEncryption; +typedef Square::Decryption SquareDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/squaretb.cpp b/CryptoPP/squaretb.cpp new file mode 100644 index 000000000..bc3bee7df --- /dev/null +++ b/CryptoPP/squaretb.cpp @@ -0,0 +1,582 @@ +#include "pch.h" +#include "square.h" + +NAMESPACE_BEGIN(CryptoPP) + +const byte Square::Enc::Se[256] = { +177, 206, 195, 149, 90, 173, 231, 2, 77, 68, 251, 145, 12, 135, 161, 80, +203, 103, 84, 221, 70, 143, 225, 78, 240, 253, 252, 235, 249, 196, 26, 110, + 94, 245, 204, 141, 28, 86, 67, 254, 7, 97, 248, 117, 89, 255, 3, 34, +138, 209, 19, 238, 136, 0, 14, 52, 21, 128, 148, 227, 237, 181, 83, 35, + 75, 71, 23, 167, 144, 53, 171, 216, 184, 223, 79, 87, 154, 146, 219, 27, + 60, 200, 153, 4, 142, 224, 215, 125, 133, 187, 64, 44, 58, 69, 241, 66, +101, 32, 65, 24, 114, 37, 147, 112, 54, 5, 242, 11, 163, 121, 236, 8, + 39, 49, 50, 182, 124, 176, 10, 115, 91, 123, 183, 129, 210, 13, 106, 38, +158, 88, 156, 131, 116, 179, 172, 48, 122, 105, 119, 15, 174, 33, 222, 208, + 46, 151, 16, 164, 152, 168, 212, 104, 45, 98, 41, 109, 22, 73, 118, 199, +232, 193, 150, 55, 229, 202, 244, 233, 99, 18, 194, 166, 20, 188, 211, 40, +175, 47, 230, 36, 82, 198, 160, 9, 189, 140, 207, 93, 17, 95, 1, 197, +159, 61, 162, 155, 201, 59, 190, 81, 25, 31, 63, 92, 178, 239, 74, 205, +191, 186, 111, 100, 217, 243, 62, 180, 170, 220, 213, 6, 192, 126, 246, 102, +108, 132, 113, 56, 185, 29, 127, 157, 72, 139, 42, 218, 165, 51, 130, 57, +214, 120, 134, 250, 228, 43, 169, 30, 137, 96, 107, 234, 85, 76, 247, 226, +}; + +const byte Square::Dec::Sd[256] = { + 53, 190, 7, 46, 83, 105, 219, 40, 111, 183, 118, 107, 12, 125, 54, 139, +146, 188, 169, 50, 172, 56, 156, 66, 99, 200, 30, 79, 36, 229, 247, 201, + 97, 141, 47, 63, 179, 101, 127, 112, 175, 154, 234, 245, 91, 152, 144, 177, +135, 113, 114, 237, 55, 69, 104, 163, 227, 239, 92, 197, 80, 193, 214, 202, + 90, 98, 95, 38, 9, 93, 20, 65, 232, 157, 206, 64, 253, 8, 23, 74, + 15, 199, 180, 62, 18, 252, 37, 75, 129, 44, 4, 120, 203, 187, 32, 189, +249, 41, 153, 168, 211, 96, 223, 17, 151, 137, 126, 250, 224, 155, 31, 210, +103, 226, 100, 119, 132, 43, 158, 138, 241, 109, 136, 121, 116, 87, 221, 230, + 57, 123, 238, 131, 225, 88, 242, 13, 52, 248, 48, 233, 185, 35, 84, 21, + 68, 11, 77, 102, 58, 3, 162, 145, 148, 82, 76, 195, 130, 231, 128, 192, +182, 14, 194, 108, 147, 236, 171, 67, 149, 246, 216, 70, 134, 5, 140, 176, +117, 0, 204, 133, 215, 61, 115, 122, 72, 228, 209, 89, 173, 184, 198, 208, +220, 161, 170, 2, 29, 191, 181, 159, 81, 196, 165, 16, 34, 207, 1, 186, +143, 49, 124, 174, 150, 218, 240, 86, 71, 212, 235, 78, 217, 19, 142, 73, + 85, 22, 255, 59, 244, 164, 178, 6, 160, 167, 251, 27, 110, 60, 51, 205, + 24, 94, 106, 213, 166, 33, 222, 254, 42, 28, 243, 10, 26, 25, 39, 45, +}; + +const word32 Square::Enc::Te[4][256] = { +{ +0x97b1b126UL, 0x69cecea7UL, 0x73c3c3b0UL, 0xdf95954aUL, +0xb45a5aeeUL, 0xafadad02UL, 0x3be7e7dcUL, 0x04020206UL, +0x9a4d4dd7UL, 0x884444ccUL, 0x03fbfbf8UL, 0xd7919146UL, +0x180c0c14UL, 0xfb87877cUL, 0xb7a1a116UL, 0xa05050f0UL, +0x63cbcba8UL, 0xce6767a9UL, 0xa85454fcUL, 0x4fdddd92UL, +0x8c4646caUL, 0xeb8f8f64UL, 0x37e1e1d6UL, 0x9c4e4ed2UL, +0x15f0f0e5UL, 0x0ffdfdf2UL, 0x0dfcfcf1UL, 0x23ebebc8UL, +0x07f9f9feUL, 0x7dc4c4b9UL, 0x341a1a2eUL, 0xdc6e6eb2UL, +0xbc5e5ee2UL, 0x1ff5f5eaUL, 0x6dcccca1UL, 0xef8d8d62UL, +0x381c1c24UL, 0xac5656faUL, 0x864343c5UL, 0x09fefef7UL, +0x0e070709UL, 0xc26161a3UL, 0x05f8f8fdUL, 0xea75759fUL, +0xb25959ebUL, 0x0bfffff4UL, 0x06030305UL, 0x44222266UL, +0xe18a8a6bUL, 0x57d1d186UL, 0x26131335UL, 0x29eeeec7UL, +0xe588886dUL, 0x00000000UL, 0x1c0e0e12UL, 0x6834345cUL, +0x2a15153fUL, 0xf5808075UL, 0xdd949449UL, 0x33e3e3d0UL, +0x2fededc2UL, 0x9fb5b52aUL, 0xa65353f5UL, 0x46232365UL, +0x964b4bddUL, 0x8e4747c9UL, 0x2e171739UL, 0xbba7a71cUL, +0xd5909045UL, 0x6a35355fUL, 0xa3abab08UL, 0x45d8d89dUL, +0x85b8b83dUL, 0x4bdfdf94UL, 0x9e4f4fd1UL, 0xae5757f9UL, +0xc19a9a5bUL, 0xd1929243UL, 0x43dbdb98UL, 0x361b1b2dUL, +0x783c3c44UL, 0x65c8c8adUL, 0xc799995eUL, 0x0804040cUL, +0xe98e8e67UL, 0x35e0e0d5UL, 0x5bd7d78cUL, 0xfa7d7d87UL, +0xff85857aUL, 0x83bbbb38UL, 0x804040c0UL, 0x582c2c74UL, +0x743a3a4eUL, 0x8a4545cfUL, 0x17f1f1e6UL, 0x844242c6UL, +0xca6565afUL, 0x40202060UL, 0x824141c3UL, 0x30181828UL, +0xe4727296UL, 0x4a25256fUL, 0xd3939340UL, 0xe0707090UL, +0x6c36365aUL, 0x0a05050fUL, 0x11f2f2e3UL, 0x160b0b1dUL, +0xb3a3a310UL, 0xf279798bUL, 0x2dececc1UL, 0x10080818UL, +0x4e272769UL, 0x62313153UL, 0x64323256UL, 0x99b6b62fUL, +0xf87c7c84UL, 0x95b0b025UL, 0x140a0a1eUL, 0xe6737395UL, +0xb65b5bedUL, 0xf67b7b8dUL, 0x9bb7b72cUL, 0xf7818176UL, +0x51d2d283UL, 0x1a0d0d17UL, 0xd46a6abeUL, 0x4c26266aUL, +0xc99e9e57UL, 0xb05858e8UL, 0xcd9c9c51UL, 0xf3838370UL, +0xe874749cUL, 0x93b3b320UL, 0xadacac01UL, 0x60303050UL, +0xf47a7a8eUL, 0xd26969bbUL, 0xee777799UL, 0x1e0f0f11UL, +0xa9aeae07UL, 0x42212163UL, 0x49dede97UL, 0x55d0d085UL, +0x5c2e2e72UL, 0xdb97974cUL, 0x20101030UL, 0xbda4a419UL, +0xc598985dUL, 0xa5a8a80dUL, 0x5dd4d489UL, 0xd06868b8UL, +0x5a2d2d77UL, 0xc46262a6UL, 0x5229297bUL, 0xda6d6db7UL, +0x2c16163aUL, 0x924949dbUL, 0xec76769aUL, 0x7bc7c7bcUL, +0x25e8e8cdUL, 0x77c1c1b6UL, 0xd996964fUL, 0x6e373759UL, +0x3fe5e5daUL, 0x61cacaabUL, 0x1df4f4e9UL, 0x27e9e9ceUL, +0xc66363a5UL, 0x24121236UL, 0x71c2c2b3UL, 0xb9a6a61fUL, +0x2814143cUL, 0x8dbcbc31UL, 0x53d3d380UL, 0x50282878UL, +0xabafaf04UL, 0x5e2f2f71UL, 0x39e6e6dfUL, 0x4824246cUL, +0xa45252f6UL, 0x79c6c6bfUL, 0xb5a0a015UL, 0x1209091bUL, +0x8fbdbd32UL, 0xed8c8c61UL, 0x6bcfcfa4UL, 0xba5d5de7UL, +0x22111133UL, 0xbe5f5fe1UL, 0x02010103UL, 0x7fc5c5baUL, +0xcb9f9f54UL, 0x7a3d3d47UL, 0xb1a2a213UL, 0xc39b9b58UL, +0x67c9c9aeUL, 0x763b3b4dUL, 0x89bebe37UL, 0xa25151f3UL, +0x3219192bUL, 0x3e1f1f21UL, 0x7e3f3f41UL, 0xb85c5ce4UL, +0x91b2b223UL, 0x2befefc4UL, 0x944a4adeUL, 0x6fcdcda2UL, +0x8bbfbf34UL, 0x81baba3bUL, 0xde6f6fb1UL, 0xc86464acUL, +0x47d9d99eUL, 0x13f3f3e0UL, 0x7c3e3e42UL, 0x9db4b429UL, +0xa1aaaa0bUL, 0x4ddcdc91UL, 0x5fd5d58aUL, 0x0c06060aUL, +0x75c0c0b5UL, 0xfc7e7e82UL, 0x19f6f6efUL, 0xcc6666aaUL, +0xd86c6cb4UL, 0xfd848479UL, 0xe2717193UL, 0x70383848UL, +0x87b9b93eUL, 0x3a1d1d27UL, 0xfe7f7f81UL, 0xcf9d9d52UL, +0x904848d8UL, 0xe38b8b68UL, 0x542a2a7eUL, 0x41dada9bUL, +0xbfa5a51aUL, 0x66333355UL, 0xf1828273UL, 0x7239394bUL, +0x59d6d68fUL, 0xf0787888UL, 0xf986867fUL, 0x01fafafbUL, +0x3de4e4d9UL, 0x562b2b7dUL, 0xa7a9a90eUL, 0x3c1e1e22UL, +0xe789896eUL, 0xc06060a0UL, 0xd66b6bbdUL, 0x21eaeacbUL, +0xaa5555ffUL, 0x984c4cd4UL, 0x1bf7f7ecUL, 0x31e2e2d3UL, +}, + +{ +0x2697b1b1UL, 0xa769ceceUL, 0xb073c3c3UL, 0x4adf9595UL, +0xeeb45a5aUL, 0x02afadadUL, 0xdc3be7e7UL, 0x06040202UL, +0xd79a4d4dUL, 0xcc884444UL, 0xf803fbfbUL, 0x46d79191UL, +0x14180c0cUL, 0x7cfb8787UL, 0x16b7a1a1UL, 0xf0a05050UL, +0xa863cbcbUL, 0xa9ce6767UL, 0xfca85454UL, 0x924fddddUL, +0xca8c4646UL, 0x64eb8f8fUL, 0xd637e1e1UL, 0xd29c4e4eUL, +0xe515f0f0UL, 0xf20ffdfdUL, 0xf10dfcfcUL, 0xc823ebebUL, +0xfe07f9f9UL, 0xb97dc4c4UL, 0x2e341a1aUL, 0xb2dc6e6eUL, +0xe2bc5e5eUL, 0xea1ff5f5UL, 0xa16dccccUL, 0x62ef8d8dUL, +0x24381c1cUL, 0xfaac5656UL, 0xc5864343UL, 0xf709fefeUL, +0x090e0707UL, 0xa3c26161UL, 0xfd05f8f8UL, 0x9fea7575UL, +0xebb25959UL, 0xf40bffffUL, 0x05060303UL, 0x66442222UL, +0x6be18a8aUL, 0x8657d1d1UL, 0x35261313UL, 0xc729eeeeUL, +0x6de58888UL, 0x00000000UL, 0x121c0e0eUL, 0x5c683434UL, +0x3f2a1515UL, 0x75f58080UL, 0x49dd9494UL, 0xd033e3e3UL, +0xc22fededUL, 0x2a9fb5b5UL, 0xf5a65353UL, 0x65462323UL, +0xdd964b4bUL, 0xc98e4747UL, 0x392e1717UL, 0x1cbba7a7UL, +0x45d59090UL, 0x5f6a3535UL, 0x08a3ababUL, 0x9d45d8d8UL, +0x3d85b8b8UL, 0x944bdfdfUL, 0xd19e4f4fUL, 0xf9ae5757UL, +0x5bc19a9aUL, 0x43d19292UL, 0x9843dbdbUL, 0x2d361b1bUL, +0x44783c3cUL, 0xad65c8c8UL, 0x5ec79999UL, 0x0c080404UL, +0x67e98e8eUL, 0xd535e0e0UL, 0x8c5bd7d7UL, 0x87fa7d7dUL, +0x7aff8585UL, 0x3883bbbbUL, 0xc0804040UL, 0x74582c2cUL, +0x4e743a3aUL, 0xcf8a4545UL, 0xe617f1f1UL, 0xc6844242UL, +0xafca6565UL, 0x60402020UL, 0xc3824141UL, 0x28301818UL, +0x96e47272UL, 0x6f4a2525UL, 0x40d39393UL, 0x90e07070UL, +0x5a6c3636UL, 0x0f0a0505UL, 0xe311f2f2UL, 0x1d160b0bUL, +0x10b3a3a3UL, 0x8bf27979UL, 0xc12dececUL, 0x18100808UL, +0x694e2727UL, 0x53623131UL, 0x56643232UL, 0x2f99b6b6UL, +0x84f87c7cUL, 0x2595b0b0UL, 0x1e140a0aUL, 0x95e67373UL, +0xedb65b5bUL, 0x8df67b7bUL, 0x2c9bb7b7UL, 0x76f78181UL, +0x8351d2d2UL, 0x171a0d0dUL, 0xbed46a6aUL, 0x6a4c2626UL, +0x57c99e9eUL, 0xe8b05858UL, 0x51cd9c9cUL, 0x70f38383UL, +0x9ce87474UL, 0x2093b3b3UL, 0x01adacacUL, 0x50603030UL, +0x8ef47a7aUL, 0xbbd26969UL, 0x99ee7777UL, 0x111e0f0fUL, +0x07a9aeaeUL, 0x63422121UL, 0x9749dedeUL, 0x8555d0d0UL, +0x725c2e2eUL, 0x4cdb9797UL, 0x30201010UL, 0x19bda4a4UL, +0x5dc59898UL, 0x0da5a8a8UL, 0x895dd4d4UL, 0xb8d06868UL, +0x775a2d2dUL, 0xa6c46262UL, 0x7b522929UL, 0xb7da6d6dUL, +0x3a2c1616UL, 0xdb924949UL, 0x9aec7676UL, 0xbc7bc7c7UL, +0xcd25e8e8UL, 0xb677c1c1UL, 0x4fd99696UL, 0x596e3737UL, +0xda3fe5e5UL, 0xab61cacaUL, 0xe91df4f4UL, 0xce27e9e9UL, +0xa5c66363UL, 0x36241212UL, 0xb371c2c2UL, 0x1fb9a6a6UL, +0x3c281414UL, 0x318dbcbcUL, 0x8053d3d3UL, 0x78502828UL, +0x04abafafUL, 0x715e2f2fUL, 0xdf39e6e6UL, 0x6c482424UL, +0xf6a45252UL, 0xbf79c6c6UL, 0x15b5a0a0UL, 0x1b120909UL, +0x328fbdbdUL, 0x61ed8c8cUL, 0xa46bcfcfUL, 0xe7ba5d5dUL, +0x33221111UL, 0xe1be5f5fUL, 0x03020101UL, 0xba7fc5c5UL, +0x54cb9f9fUL, 0x477a3d3dUL, 0x13b1a2a2UL, 0x58c39b9bUL, +0xae67c9c9UL, 0x4d763b3bUL, 0x3789bebeUL, 0xf3a25151UL, +0x2b321919UL, 0x213e1f1fUL, 0x417e3f3fUL, 0xe4b85c5cUL, +0x2391b2b2UL, 0xc42befefUL, 0xde944a4aUL, 0xa26fcdcdUL, +0x348bbfbfUL, 0x3b81babaUL, 0xb1de6f6fUL, 0xacc86464UL, +0x9e47d9d9UL, 0xe013f3f3UL, 0x427c3e3eUL, 0x299db4b4UL, +0x0ba1aaaaUL, 0x914ddcdcUL, 0x8a5fd5d5UL, 0x0a0c0606UL, +0xb575c0c0UL, 0x82fc7e7eUL, 0xef19f6f6UL, 0xaacc6666UL, +0xb4d86c6cUL, 0x79fd8484UL, 0x93e27171UL, 0x48703838UL, +0x3e87b9b9UL, 0x273a1d1dUL, 0x81fe7f7fUL, 0x52cf9d9dUL, +0xd8904848UL, 0x68e38b8bUL, 0x7e542a2aUL, 0x9b41dadaUL, +0x1abfa5a5UL, 0x55663333UL, 0x73f18282UL, 0x4b723939UL, +0x8f59d6d6UL, 0x88f07878UL, 0x7ff98686UL, 0xfb01fafaUL, +0xd93de4e4UL, 0x7d562b2bUL, 0x0ea7a9a9UL, 0x223c1e1eUL, +0x6ee78989UL, 0xa0c06060UL, 0xbdd66b6bUL, 0xcb21eaeaUL, +0xffaa5555UL, 0xd4984c4cUL, 0xec1bf7f7UL, 0xd331e2e2UL, +}, + +{ +0xb12697b1UL, 0xcea769ceUL, 0xc3b073c3UL, 0x954adf95UL, +0x5aeeb45aUL, 0xad02afadUL, 0xe7dc3be7UL, 0x02060402UL, +0x4dd79a4dUL, 0x44cc8844UL, 0xfbf803fbUL, 0x9146d791UL, +0x0c14180cUL, 0x877cfb87UL, 0xa116b7a1UL, 0x50f0a050UL, +0xcba863cbUL, 0x67a9ce67UL, 0x54fca854UL, 0xdd924fddUL, +0x46ca8c46UL, 0x8f64eb8fUL, 0xe1d637e1UL, 0x4ed29c4eUL, +0xf0e515f0UL, 0xfdf20ffdUL, 0xfcf10dfcUL, 0xebc823ebUL, +0xf9fe07f9UL, 0xc4b97dc4UL, 0x1a2e341aUL, 0x6eb2dc6eUL, +0x5ee2bc5eUL, 0xf5ea1ff5UL, 0xcca16dccUL, 0x8d62ef8dUL, +0x1c24381cUL, 0x56faac56UL, 0x43c58643UL, 0xfef709feUL, +0x07090e07UL, 0x61a3c261UL, 0xf8fd05f8UL, 0x759fea75UL, +0x59ebb259UL, 0xfff40bffUL, 0x03050603UL, 0x22664422UL, +0x8a6be18aUL, 0xd18657d1UL, 0x13352613UL, 0xeec729eeUL, +0x886de588UL, 0x00000000UL, 0x0e121c0eUL, 0x345c6834UL, +0x153f2a15UL, 0x8075f580UL, 0x9449dd94UL, 0xe3d033e3UL, +0xedc22fedUL, 0xb52a9fb5UL, 0x53f5a653UL, 0x23654623UL, +0x4bdd964bUL, 0x47c98e47UL, 0x17392e17UL, 0xa71cbba7UL, +0x9045d590UL, 0x355f6a35UL, 0xab08a3abUL, 0xd89d45d8UL, +0xb83d85b8UL, 0xdf944bdfUL, 0x4fd19e4fUL, 0x57f9ae57UL, +0x9a5bc19aUL, 0x9243d192UL, 0xdb9843dbUL, 0x1b2d361bUL, +0x3c44783cUL, 0xc8ad65c8UL, 0x995ec799UL, 0x040c0804UL, +0x8e67e98eUL, 0xe0d535e0UL, 0xd78c5bd7UL, 0x7d87fa7dUL, +0x857aff85UL, 0xbb3883bbUL, 0x40c08040UL, 0x2c74582cUL, +0x3a4e743aUL, 0x45cf8a45UL, 0xf1e617f1UL, 0x42c68442UL, +0x65afca65UL, 0x20604020UL, 0x41c38241UL, 0x18283018UL, +0x7296e472UL, 0x256f4a25UL, 0x9340d393UL, 0x7090e070UL, +0x365a6c36UL, 0x050f0a05UL, 0xf2e311f2UL, 0x0b1d160bUL, +0xa310b3a3UL, 0x798bf279UL, 0xecc12decUL, 0x08181008UL, +0x27694e27UL, 0x31536231UL, 0x32566432UL, 0xb62f99b6UL, +0x7c84f87cUL, 0xb02595b0UL, 0x0a1e140aUL, 0x7395e673UL, +0x5bedb65bUL, 0x7b8df67bUL, 0xb72c9bb7UL, 0x8176f781UL, +0xd28351d2UL, 0x0d171a0dUL, 0x6abed46aUL, 0x266a4c26UL, +0x9e57c99eUL, 0x58e8b058UL, 0x9c51cd9cUL, 0x8370f383UL, +0x749ce874UL, 0xb32093b3UL, 0xac01adacUL, 0x30506030UL, +0x7a8ef47aUL, 0x69bbd269UL, 0x7799ee77UL, 0x0f111e0fUL, +0xae07a9aeUL, 0x21634221UL, 0xde9749deUL, 0xd08555d0UL, +0x2e725c2eUL, 0x974cdb97UL, 0x10302010UL, 0xa419bda4UL, +0x985dc598UL, 0xa80da5a8UL, 0xd4895dd4UL, 0x68b8d068UL, +0x2d775a2dUL, 0x62a6c462UL, 0x297b5229UL, 0x6db7da6dUL, +0x163a2c16UL, 0x49db9249UL, 0x769aec76UL, 0xc7bc7bc7UL, +0xe8cd25e8UL, 0xc1b677c1UL, 0x964fd996UL, 0x37596e37UL, +0xe5da3fe5UL, 0xcaab61caUL, 0xf4e91df4UL, 0xe9ce27e9UL, +0x63a5c663UL, 0x12362412UL, 0xc2b371c2UL, 0xa61fb9a6UL, +0x143c2814UL, 0xbc318dbcUL, 0xd38053d3UL, 0x28785028UL, +0xaf04abafUL, 0x2f715e2fUL, 0xe6df39e6UL, 0x246c4824UL, +0x52f6a452UL, 0xc6bf79c6UL, 0xa015b5a0UL, 0x091b1209UL, +0xbd328fbdUL, 0x8c61ed8cUL, 0xcfa46bcfUL, 0x5de7ba5dUL, +0x11332211UL, 0x5fe1be5fUL, 0x01030201UL, 0xc5ba7fc5UL, +0x9f54cb9fUL, 0x3d477a3dUL, 0xa213b1a2UL, 0x9b58c39bUL, +0xc9ae67c9UL, 0x3b4d763bUL, 0xbe3789beUL, 0x51f3a251UL, +0x192b3219UL, 0x1f213e1fUL, 0x3f417e3fUL, 0x5ce4b85cUL, +0xb22391b2UL, 0xefc42befUL, 0x4ade944aUL, 0xcda26fcdUL, +0xbf348bbfUL, 0xba3b81baUL, 0x6fb1de6fUL, 0x64acc864UL, +0xd99e47d9UL, 0xf3e013f3UL, 0x3e427c3eUL, 0xb4299db4UL, +0xaa0ba1aaUL, 0xdc914ddcUL, 0xd58a5fd5UL, 0x060a0c06UL, +0xc0b575c0UL, 0x7e82fc7eUL, 0xf6ef19f6UL, 0x66aacc66UL, +0x6cb4d86cUL, 0x8479fd84UL, 0x7193e271UL, 0x38487038UL, +0xb93e87b9UL, 0x1d273a1dUL, 0x7f81fe7fUL, 0x9d52cf9dUL, +0x48d89048UL, 0x8b68e38bUL, 0x2a7e542aUL, 0xda9b41daUL, +0xa51abfa5UL, 0x33556633UL, 0x8273f182UL, 0x394b7239UL, +0xd68f59d6UL, 0x7888f078UL, 0x867ff986UL, 0xfafb01faUL, +0xe4d93de4UL, 0x2b7d562bUL, 0xa90ea7a9UL, 0x1e223c1eUL, +0x896ee789UL, 0x60a0c060UL, 0x6bbdd66bUL, 0xeacb21eaUL, +0x55ffaa55UL, 0x4cd4984cUL, 0xf7ec1bf7UL, 0xe2d331e2UL, +}, + +{ +0xb1b12697UL, 0xcecea769UL, 0xc3c3b073UL, 0x95954adfUL, +0x5a5aeeb4UL, 0xadad02afUL, 0xe7e7dc3bUL, 0x02020604UL, +0x4d4dd79aUL, 0x4444cc88UL, 0xfbfbf803UL, 0x919146d7UL, +0x0c0c1418UL, 0x87877cfbUL, 0xa1a116b7UL, 0x5050f0a0UL, +0xcbcba863UL, 0x6767a9ceUL, 0x5454fca8UL, 0xdddd924fUL, +0x4646ca8cUL, 0x8f8f64ebUL, 0xe1e1d637UL, 0x4e4ed29cUL, +0xf0f0e515UL, 0xfdfdf20fUL, 0xfcfcf10dUL, 0xebebc823UL, +0xf9f9fe07UL, 0xc4c4b97dUL, 0x1a1a2e34UL, 0x6e6eb2dcUL, +0x5e5ee2bcUL, 0xf5f5ea1fUL, 0xcccca16dUL, 0x8d8d62efUL, +0x1c1c2438UL, 0x5656faacUL, 0x4343c586UL, 0xfefef709UL, +0x0707090eUL, 0x6161a3c2UL, 0xf8f8fd05UL, 0x75759feaUL, +0x5959ebb2UL, 0xfffff40bUL, 0x03030506UL, 0x22226644UL, +0x8a8a6be1UL, 0xd1d18657UL, 0x13133526UL, 0xeeeec729UL, +0x88886de5UL, 0x00000000UL, 0x0e0e121cUL, 0x34345c68UL, +0x15153f2aUL, 0x808075f5UL, 0x949449ddUL, 0xe3e3d033UL, +0xededc22fUL, 0xb5b52a9fUL, 0x5353f5a6UL, 0x23236546UL, +0x4b4bdd96UL, 0x4747c98eUL, 0x1717392eUL, 0xa7a71cbbUL, +0x909045d5UL, 0x35355f6aUL, 0xabab08a3UL, 0xd8d89d45UL, +0xb8b83d85UL, 0xdfdf944bUL, 0x4f4fd19eUL, 0x5757f9aeUL, +0x9a9a5bc1UL, 0x929243d1UL, 0xdbdb9843UL, 0x1b1b2d36UL, +0x3c3c4478UL, 0xc8c8ad65UL, 0x99995ec7UL, 0x04040c08UL, +0x8e8e67e9UL, 0xe0e0d535UL, 0xd7d78c5bUL, 0x7d7d87faUL, +0x85857affUL, 0xbbbb3883UL, 0x4040c080UL, 0x2c2c7458UL, +0x3a3a4e74UL, 0x4545cf8aUL, 0xf1f1e617UL, 0x4242c684UL, +0x6565afcaUL, 0x20206040UL, 0x4141c382UL, 0x18182830UL, +0x727296e4UL, 0x25256f4aUL, 0x939340d3UL, 0x707090e0UL, +0x36365a6cUL, 0x05050f0aUL, 0xf2f2e311UL, 0x0b0b1d16UL, +0xa3a310b3UL, 0x79798bf2UL, 0xececc12dUL, 0x08081810UL, +0x2727694eUL, 0x31315362UL, 0x32325664UL, 0xb6b62f99UL, +0x7c7c84f8UL, 0xb0b02595UL, 0x0a0a1e14UL, 0x737395e6UL, +0x5b5bedb6UL, 0x7b7b8df6UL, 0xb7b72c9bUL, 0x818176f7UL, +0xd2d28351UL, 0x0d0d171aUL, 0x6a6abed4UL, 0x26266a4cUL, +0x9e9e57c9UL, 0x5858e8b0UL, 0x9c9c51cdUL, 0x838370f3UL, +0x74749ce8UL, 0xb3b32093UL, 0xacac01adUL, 0x30305060UL, +0x7a7a8ef4UL, 0x6969bbd2UL, 0x777799eeUL, 0x0f0f111eUL, +0xaeae07a9UL, 0x21216342UL, 0xdede9749UL, 0xd0d08555UL, +0x2e2e725cUL, 0x97974cdbUL, 0x10103020UL, 0xa4a419bdUL, +0x98985dc5UL, 0xa8a80da5UL, 0xd4d4895dUL, 0x6868b8d0UL, +0x2d2d775aUL, 0x6262a6c4UL, 0x29297b52UL, 0x6d6db7daUL, +0x16163a2cUL, 0x4949db92UL, 0x76769aecUL, 0xc7c7bc7bUL, +0xe8e8cd25UL, 0xc1c1b677UL, 0x96964fd9UL, 0x3737596eUL, +0xe5e5da3fUL, 0xcacaab61UL, 0xf4f4e91dUL, 0xe9e9ce27UL, +0x6363a5c6UL, 0x12123624UL, 0xc2c2b371UL, 0xa6a61fb9UL, +0x14143c28UL, 0xbcbc318dUL, 0xd3d38053UL, 0x28287850UL, +0xafaf04abUL, 0x2f2f715eUL, 0xe6e6df39UL, 0x24246c48UL, +0x5252f6a4UL, 0xc6c6bf79UL, 0xa0a015b5UL, 0x09091b12UL, +0xbdbd328fUL, 0x8c8c61edUL, 0xcfcfa46bUL, 0x5d5de7baUL, +0x11113322UL, 0x5f5fe1beUL, 0x01010302UL, 0xc5c5ba7fUL, +0x9f9f54cbUL, 0x3d3d477aUL, 0xa2a213b1UL, 0x9b9b58c3UL, +0xc9c9ae67UL, 0x3b3b4d76UL, 0xbebe3789UL, 0x5151f3a2UL, +0x19192b32UL, 0x1f1f213eUL, 0x3f3f417eUL, 0x5c5ce4b8UL, +0xb2b22391UL, 0xefefc42bUL, 0x4a4ade94UL, 0xcdcda26fUL, +0xbfbf348bUL, 0xbaba3b81UL, 0x6f6fb1deUL, 0x6464acc8UL, +0xd9d99e47UL, 0xf3f3e013UL, 0x3e3e427cUL, 0xb4b4299dUL, +0xaaaa0ba1UL, 0xdcdc914dUL, 0xd5d58a5fUL, 0x06060a0cUL, +0xc0c0b575UL, 0x7e7e82fcUL, 0xf6f6ef19UL, 0x6666aaccUL, +0x6c6cb4d8UL, 0x848479fdUL, 0x717193e2UL, 0x38384870UL, +0xb9b93e87UL, 0x1d1d273aUL, 0x7f7f81feUL, 0x9d9d52cfUL, +0x4848d890UL, 0x8b8b68e3UL, 0x2a2a7e54UL, 0xdada9b41UL, +0xa5a51abfUL, 0x33335566UL, 0x828273f1UL, 0x39394b72UL, +0xd6d68f59UL, 0x787888f0UL, 0x86867ff9UL, 0xfafafb01UL, +0xe4e4d93dUL, 0x2b2b7d56UL, 0xa9a90ea7UL, 0x1e1e223cUL, +0x89896ee7UL, 0x6060a0c0UL, 0x6b6bbdd6UL, 0xeaeacb21UL, +0x5555ffaaUL, 0x4c4cd498UL, 0xf7f7ec1bUL, 0xe2e2d331UL, +}}; + +const word32 Square::Dec::Td[4][256] = { +{ +0xe368bc02UL, 0x5585620cUL, 0x2a3f2331UL, 0x61ab13f7UL, +0x98d46d72UL, 0x21cb9a19UL, 0x3c22a461UL, 0x459d3dcdUL, +0x05fdb423UL, 0x2bc4075fUL, 0x9b2c01c0UL, 0x3dd9800fUL, +0x486c5c74UL, 0xf97f7e85UL, 0xf173ab1fUL, 0xb6edde0eUL, +0x283c6bedUL, 0x4997781aUL, 0x9f2a918dUL, 0xc9579f33UL, +0xa907a8aaUL, 0xa50ded7dUL, 0x7c422d8fUL, 0x764db0c9UL, +0x4d91e857UL, 0xcea963ccUL, 0xb4ee96d2UL, 0x3028e1b6UL, +0x0df161b9UL, 0xbd196726UL, 0x419bad80UL, 0xc0a06ec7UL, +0x5183f241UL, 0x92dbf034UL, 0x6fa21efcUL, 0x8f32ce4cUL, +0x13e03373UL, 0x69a7c66dUL, 0xe56d6493UL, 0xbf1a2ffaUL, +0xbb1cbfb7UL, 0x587403b5UL, 0xe76e2c4fUL, 0x5d89b796UL, +0xe89c052aUL, 0x446619a3UL, 0x342e71fbUL, 0x0ff22965UL, 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0x8e1f3cf4UL, +0x0ea5a1a7UL, 0xb34c3671UL, 0xd725ae9aUL, 0x71db245eUL, +0x1d875016UL, 0x62f9d5efUL, 0x3186908dUL, 0x121a161cUL, +0xf581cfa6UL, 0x8c6f075bUL, 0xd61d4937UL, 0x593a926eUL, +0xc6776484UL, 0xc53fb886UL, 0x46cdf9d7UL, 0x90d0b0e0UL, +0xc74f8329UL, 0x9640fde4UL, 0x090d0b0eUL, 0xa156206dUL, +0xc9ea228eUL, 0x4c882edbUL, 0x76738ef7UL, 0x15b2bcb5UL, +0x185fc110UL, 0x2ba96a32UL, 0xa48eb16bUL, 0xf95455aeUL, +0x6089ee40UL, 0x55ef0866UL, 0x672144e9UL, 0x21ecbd3eUL, +0x30be7720UL, 0x8bc7adf2UL, 0xc0e72980UL, 0x1ecf8c14UL, +0xe24348bcUL, 0xa6fe8ac4UL, 0xd3c5d831UL, 0x16fa60b7UL, +0x80ba9d53UL, 0x4fc0f2d9UL, 0xe93e781dUL, 0x362e3a24UL, +0x6bf4dee1UL, 0x54d7efcbUL, 0xf7f1f409UL, 0xc3aff582UL, +0xf4b9280bUL, 0x29d9519dUL, 0x5e9238c7UL, 0x845aebf8UL, +0xd8b8e890UL, 0xb13c0ddeUL, 0xd08d0433UL, 0x5ce20368UL, +0x5ddae4c5UL, 0xdc589e3bUL, 0x0f9d460aUL, 0xdac8d33fUL, +0x8f27db59UL, 0xfc8cc4a8UL, 0xbf99ac79UL, 0x5a724e6cUL, +0xcaa2fe8cUL, 0xd1b5e39eUL, 0xea76a41fUL, 0xb004ea73UL, +}}; + +NAMESPACE_END diff --git a/CryptoPP/stdcpp.h b/CryptoPP/stdcpp.h new file mode 100644 index 000000000..6511c4fa2 --- /dev/null +++ b/CryptoPP/stdcpp.h @@ -0,0 +1,41 @@ +#ifndef CRYPTOPP_STDCPP_H +#define CRYPTOPP_STDCPP_H + +#if _MSC_VER >= 1500 +#define _DO_NOT_DECLARE_INTERLOCKED_INTRINSICS_IN_MEMORY +#include <intrin.h> +#endif + +#include <stddef.h> +#include <assert.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <memory> +#include <string> +#include <exception> +#include <typeinfo> +#include <algorithm> +#include <map> +#include <vector> + +#ifdef CRYPTOPP_INCLUDE_VECTOR_CC +// workaround needed on Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21 +#include <vector.cc> +#endif + +// for alloca +#ifdef __sun +#include <alloca.h> +#elif defined(__MINGW32__) || defined(__BORLANDC__) +#include <malloc.h> +#endif + +#ifdef _MSC_VER +#pragma warning(disable: 4231) // re-disable this +#ifdef _CRTAPI1 +#define CRYPTOPP_MSVCRT6 +#endif +#endif + +#endif diff --git a/CryptoPP/strciphr.cpp b/CryptoPP/strciphr.cpp new file mode 100644 index 000000000..53e007376 --- /dev/null +++ b/CryptoPP/strciphr.cpp @@ -0,0 +1,252 @@ +// strciphr.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS + +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class S> +void AdditiveCipherTemplate<S>::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) +{ + PolicyInterface &policy = this->AccessPolicy(); + policy.CipherSetKey(params, key, length); + m_leftOver = 0; + unsigned int bufferByteSize = policy.CanOperateKeystream() ? GetBufferByteSize(policy) : RoundUpToMultipleOf(1024U, GetBufferByteSize(policy)); + m_buffer.New(bufferByteSize); + + if (this->IsResynchronizable()) + { + size_t ivLength; + const byte *iv = this->GetIVAndThrowIfInvalid(params, ivLength); + policy.CipherResynchronize(m_buffer, iv, ivLength); + } +} + +template <class S> +void AdditiveCipherTemplate<S>::GenerateBlock(byte *outString, size_t length) +{ + if (m_leftOver > 0) + { + size_t len = STDMIN(m_leftOver, length); + memcpy(outString, KeystreamBufferEnd()-m_leftOver, len); + length -= len; + m_leftOver -= len; + outString += len; + + if (!length) + return; + } + assert(m_leftOver == 0); + + PolicyInterface &policy = this->AccessPolicy(); + unsigned int bytesPerIteration = policy.GetBytesPerIteration(); + + if (length >= bytesPerIteration) + { + size_t iterations = length / bytesPerIteration; + policy.WriteKeystream(outString, iterations); + outString += iterations * bytesPerIteration; + length -= iterations * bytesPerIteration; + } + + if (length > 0) + { + size_t bufferByteSize = RoundUpToMultipleOf(length, bytesPerIteration); + size_t bufferIterations = bufferByteSize / bytesPerIteration; + + policy.WriteKeystream(KeystreamBufferEnd()-bufferByteSize, bufferIterations); + memcpy(outString, KeystreamBufferEnd()-bufferByteSize, length); + m_leftOver = bufferByteSize - length; + } +} + +template <class S> +void AdditiveCipherTemplate<S>::ProcessData(byte *outString, const byte *inString, size_t length) +{ + if (m_leftOver > 0) + { + size_t len = STDMIN(m_leftOver, length); + xorbuf(outString, inString, KeystreamBufferEnd()-m_leftOver, len); + length -= len; + m_leftOver -= len; + inString += len; + outString += len; + + if (!length) + return; + } + assert(m_leftOver == 0); + + PolicyInterface &policy = this->AccessPolicy(); + unsigned int bytesPerIteration = policy.GetBytesPerIteration(); + + if (policy.CanOperateKeystream() && length >= bytesPerIteration) + { + size_t iterations = length / bytesPerIteration; + unsigned int alignment = policy.GetAlignment(); + KeystreamOperation operation = KeystreamOperation((IsAlignedOn(inString, alignment) * 2) | (int)IsAlignedOn(outString, alignment)); + + policy.OperateKeystream(operation, outString, inString, iterations); + + inString += iterations * bytesPerIteration; + outString += iterations * bytesPerIteration; + length -= iterations * bytesPerIteration; + + if (!length) + return; + } + + size_t bufferByteSize = m_buffer.size(); + size_t bufferIterations = bufferByteSize / bytesPerIteration; + + while (length >= bufferByteSize) + { + policy.WriteKeystream(m_buffer, bufferIterations); + xorbuf(outString, inString, KeystreamBufferBegin(), bufferByteSize); + length -= bufferByteSize; + inString += bufferByteSize; + outString += bufferByteSize; + } + + if (length > 0) + { + bufferByteSize = RoundUpToMultipleOf(length, bytesPerIteration); + bufferIterations = bufferByteSize / bytesPerIteration; + + policy.WriteKeystream(KeystreamBufferEnd()-bufferByteSize, bufferIterations); + xorbuf(outString, inString, KeystreamBufferEnd()-bufferByteSize, length); + m_leftOver = bufferByteSize - length; + } +} + +template <class S> +void AdditiveCipherTemplate<S>::Resynchronize(const byte *iv, int length) +{ + PolicyInterface &policy = this->AccessPolicy(); + m_leftOver = 0; + m_buffer.New(GetBufferByteSize(policy)); + policy.CipherResynchronize(m_buffer, iv, this->ThrowIfInvalidIVLength(length)); +} + +template <class BASE> +void AdditiveCipherTemplate<BASE>::Seek(lword position) +{ + PolicyInterface &policy = this->AccessPolicy(); + unsigned int bytesPerIteration = policy.GetBytesPerIteration(); + + policy.SeekToIteration(position / bytesPerIteration); + position %= bytesPerIteration; + + if (position > 0) + { + policy.WriteKeystream(KeystreamBufferEnd()-bytesPerIteration, 1); + m_leftOver = bytesPerIteration - (unsigned int)position; + } + else + m_leftOver = 0; +} + +template <class BASE> +void CFB_CipherTemplate<BASE>::UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) +{ + PolicyInterface &policy = this->AccessPolicy(); + policy.CipherSetKey(params, key, length); + + if (this->IsResynchronizable()) + { + size_t ivLength; + const byte *iv = this->GetIVAndThrowIfInvalid(params, ivLength); + policy.CipherResynchronize(iv, ivLength); + } + + m_leftOver = policy.GetBytesPerIteration(); +} + +template <class BASE> +void CFB_CipherTemplate<BASE>::Resynchronize(const byte *iv, int length) +{ + PolicyInterface &policy = this->AccessPolicy(); + policy.CipherResynchronize(iv, this->ThrowIfInvalidIVLength(length)); + m_leftOver = policy.GetBytesPerIteration(); +} + +template <class BASE> +void CFB_CipherTemplate<BASE>::ProcessData(byte *outString, const byte *inString, size_t length) +{ + assert(length % this->MandatoryBlockSize() == 0); + + PolicyInterface &policy = this->AccessPolicy(); + unsigned int bytesPerIteration = policy.GetBytesPerIteration(); + unsigned int alignment = policy.GetAlignment(); + byte *reg = policy.GetRegisterBegin(); + + if (m_leftOver) + { + size_t len = STDMIN(m_leftOver, length); + CombineMessageAndShiftRegister(outString, reg + bytesPerIteration - m_leftOver, inString, len); + m_leftOver -= len; + length -= len; + inString += len; + outString += len; + } + + if (!length) + return; + + assert(m_leftOver == 0); + + if (policy.CanIterate() && length >= bytesPerIteration && IsAlignedOn(outString, alignment)) + { + if (IsAlignedOn(inString, alignment)) + policy.Iterate(outString, inString, GetCipherDir(*this), length / bytesPerIteration); + else + { + memcpy(outString, inString, length); + policy.Iterate(outString, outString, GetCipherDir(*this), length / bytesPerIteration); + } + inString += length - length % bytesPerIteration; + outString += length - length % bytesPerIteration; + length %= bytesPerIteration; + } + + while (length >= bytesPerIteration) + { + policy.TransformRegister(); + CombineMessageAndShiftRegister(outString, reg, inString, bytesPerIteration); + length -= bytesPerIteration; + inString += bytesPerIteration; + outString += bytesPerIteration; + } + + if (length > 0) + { + policy.TransformRegister(); + CombineMessageAndShiftRegister(outString, reg, inString, length); + m_leftOver = bytesPerIteration - length; + } +} + +template <class BASE> +void CFB_EncryptionTemplate<BASE>::CombineMessageAndShiftRegister(byte *output, byte *reg, const byte *message, size_t length) +{ + xorbuf(reg, message, length); + memcpy(output, reg, length); +} + +template <class BASE> +void CFB_DecryptionTemplate<BASE>::CombineMessageAndShiftRegister(byte *output, byte *reg, const byte *message, size_t length) +{ + for (unsigned int i=0; i<length; i++) + { + byte b = message[i]; + output[i] = reg[i] ^ b; + reg[i] = b; + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/strciphr.h b/CryptoPP/strciphr.h new file mode 100644 index 000000000..d1d11a17b --- /dev/null +++ b/CryptoPP/strciphr.h @@ -0,0 +1,306 @@ +/*! \file + This file contains helper classes for implementing stream ciphers. + + All this infrastructure may look very complex compared to what's in Crypto++ 4.x, + but stream ciphers implementations now support a lot of new functionality, + including better performance (minimizing copying), resetting of keys and IVs, and methods to + query which features are supported by a cipher. + + Here's an explanation of these classes. The word "policy" is used here to mean a class with a + set of methods that must be implemented by individual stream cipher implementations. + This is usually much simpler than the full stream cipher API, which is implemented by + either AdditiveCipherTemplate or CFB_CipherTemplate using the policy. So for example, an + implementation of SEAL only needs to implement the AdditiveCipherAbstractPolicy interface + (since it's an additive cipher, i.e., it xors a keystream into the plaintext). + See this line in seal.h: + + typedef SymmetricCipherFinal\<ConcretePolicyHolder\<SEAL_Policy\<B\>, AdditiveCipherTemplate\<\> \> \> Encryption; + + AdditiveCipherTemplate and CFB_CipherTemplate are designed so that they don't need + to take a policy class as a template parameter (although this is allowed), so that + their code is not duplicated for each new cipher. Instead they each + get a reference to an abstract policy interface by calling AccessPolicy() on itself, so + AccessPolicy() must be overriden to return the actual policy reference. This is done + by the ConceretePolicyHolder class. Finally, SymmetricCipherFinal implements the constructors and + other functions that must be implemented by the most derived class. +*/ + +#ifndef CRYPTOPP_STRCIPHR_H +#define CRYPTOPP_STRCIPHR_H + +#include "seckey.h" +#include "secblock.h" +#include "argnames.h" + +NAMESPACE_BEGIN(CryptoPP) + +template <class POLICY_INTERFACE, class BASE = Empty> +class CRYPTOPP_NO_VTABLE AbstractPolicyHolder : public BASE +{ +public: + typedef POLICY_INTERFACE PolicyInterface; + virtual ~AbstractPolicyHolder() {} + +protected: + virtual const POLICY_INTERFACE & GetPolicy() const =0; + virtual POLICY_INTERFACE & AccessPolicy() =0; +}; + +template <class POLICY, class BASE, class POLICY_INTERFACE = CPP_TYPENAME BASE::PolicyInterface> +class ConcretePolicyHolder : public BASE, protected POLICY +{ +protected: + const POLICY_INTERFACE & GetPolicy() const {return *this;} + POLICY_INTERFACE & AccessPolicy() {return *this;} +}; + +enum KeystreamOperationFlags {OUTPUT_ALIGNED=1, INPUT_ALIGNED=2, INPUT_NULL = 4}; +enum KeystreamOperation { + WRITE_KEYSTREAM = INPUT_NULL, + WRITE_KEYSTREAM_ALIGNED = INPUT_NULL | OUTPUT_ALIGNED, + XOR_KEYSTREAM = 0, + XOR_KEYSTREAM_INPUT_ALIGNED = INPUT_ALIGNED, + XOR_KEYSTREAM_OUTPUT_ALIGNED= OUTPUT_ALIGNED, + XOR_KEYSTREAM_BOTH_ALIGNED = OUTPUT_ALIGNED | INPUT_ALIGNED}; + +struct CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AdditiveCipherAbstractPolicy +{ + virtual ~AdditiveCipherAbstractPolicy() {} + virtual unsigned int GetAlignment() const {return 1;} + virtual unsigned int GetBytesPerIteration() const =0; + virtual unsigned int GetOptimalBlockSize() const {return GetBytesPerIteration();} + virtual unsigned int GetIterationsToBuffer() const =0; + virtual void WriteKeystream(byte *keystream, size_t iterationCount) + {OperateKeystream(KeystreamOperation(INPUT_NULL | (KeystreamOperationFlags)IsAlignedOn(keystream, GetAlignment())), keystream, NULL, iterationCount);} + virtual bool CanOperateKeystream() const {return false;} + virtual void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) {assert(false);} + virtual void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) =0; + virtual void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length) {throw NotImplemented("SimpleKeyingInterface: this object doesn't support resynchronization");} + virtual bool CipherIsRandomAccess() const =0; + virtual void SeekToIteration(lword iterationCount) {assert(!CipherIsRandomAccess()); throw NotImplemented("StreamTransformation: this object doesn't support random access");} +}; + +template <typename WT, unsigned int W, unsigned int X = 1, class BASE = AdditiveCipherAbstractPolicy> +struct CRYPTOPP_NO_VTABLE AdditiveCipherConcretePolicy : public BASE +{ + typedef WT WordType; + CRYPTOPP_CONSTANT(BYTES_PER_ITERATION = sizeof(WordType) * W) + +#if !(CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64) + unsigned int GetAlignment() const {return GetAlignmentOf<WordType>();} +#endif + unsigned int GetBytesPerIteration() const {return BYTES_PER_ITERATION;} + unsigned int GetIterationsToBuffer() const {return X;} + bool CanOperateKeystream() const {return true;} + virtual void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) =0; +}; + +// use these to implement OperateKeystream +#define CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, b, i, a) \ + PutWord(bool(x & OUTPUT_ALIGNED), b, output+i*sizeof(WordType), (x & INPUT_NULL) ? a : a ^ GetWord<WordType>(bool(x & INPUT_ALIGNED), b, input+i*sizeof(WordType))); +#define CRYPTOPP_KEYSTREAM_OUTPUT_XMM(x, i, a) {\ + __m128i t = (x & INPUT_NULL) ? a : _mm_xor_si128(a, (x & INPUT_ALIGNED) ? _mm_load_si128((__m128i *)input+i) : _mm_loadu_si128((__m128i *)input+i));\ + if (x & OUTPUT_ALIGNED) _mm_store_si128((__m128i *)output+i, t);\ + else _mm_storeu_si128((__m128i *)output+i, t);} +#define CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(x, y) \ + switch (operation) \ + { \ + case WRITE_KEYSTREAM: \ + x(WRITE_KEYSTREAM) \ + break; \ + case XOR_KEYSTREAM: \ + x(XOR_KEYSTREAM) \ + input += y; \ + break; \ + case XOR_KEYSTREAM_INPUT_ALIGNED: \ + x(XOR_KEYSTREAM_INPUT_ALIGNED) \ + input += y; \ + break; \ + case XOR_KEYSTREAM_OUTPUT_ALIGNED: \ + x(XOR_KEYSTREAM_OUTPUT_ALIGNED) \ + input += y; \ + break; \ + case WRITE_KEYSTREAM_ALIGNED: \ + x(WRITE_KEYSTREAM_ALIGNED) \ + break; \ + case XOR_KEYSTREAM_BOTH_ALIGNED: \ + x(XOR_KEYSTREAM_BOTH_ALIGNED) \ + input += y; \ + break; \ + } \ + output += y; + +template <class BASE = AbstractPolicyHolder<AdditiveCipherAbstractPolicy, SymmetricCipher> > +class CRYPTOPP_NO_VTABLE AdditiveCipherTemplate : public BASE, public RandomNumberGenerator +{ +public: + void GenerateBlock(byte *output, size_t size); + void ProcessData(byte *outString, const byte *inString, size_t length); + void Resynchronize(const byte *iv, int length=-1); + unsigned int OptimalBlockSize() const {return this->GetPolicy().GetOptimalBlockSize();} + unsigned int GetOptimalNextBlockSize() const {return (unsigned int)this->m_leftOver;} + unsigned int OptimalDataAlignment() const {return this->GetPolicy().GetAlignment();} + bool IsSelfInverting() const {return true;} + bool IsForwardTransformation() const {return true;} + bool IsRandomAccess() const {return this->GetPolicy().CipherIsRandomAccess();} + void Seek(lword position); + + typedef typename BASE::PolicyInterface PolicyInterface; + +protected: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + + unsigned int GetBufferByteSize(const PolicyInterface &policy) const {return policy.GetBytesPerIteration() * policy.GetIterationsToBuffer();} + + inline byte * KeystreamBufferBegin() {return this->m_buffer.data();} + inline byte * KeystreamBufferEnd() {return (this->m_buffer.data() + this->m_buffer.size());} + + SecByteBlock m_buffer; + size_t m_leftOver; +}; + +class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CFB_CipherAbstractPolicy +{ +public: + virtual ~CFB_CipherAbstractPolicy() {} + virtual unsigned int GetAlignment() const =0; + virtual unsigned int GetBytesPerIteration() const =0; + virtual byte * GetRegisterBegin() =0; + virtual void TransformRegister() =0; + virtual bool CanIterate() const {return false;} + virtual void Iterate(byte *output, const byte *input, CipherDir dir, size_t iterationCount) {assert(false); throw 0;} + virtual void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) =0; + virtual void CipherResynchronize(const byte *iv, size_t length) {throw NotImplemented("SimpleKeyingInterface: this object doesn't support resynchronization");} +}; + +template <typename WT, unsigned int W, class BASE = CFB_CipherAbstractPolicy> +struct CRYPTOPP_NO_VTABLE CFB_CipherConcretePolicy : public BASE +{ + typedef WT WordType; + + unsigned int GetAlignment() const {return sizeof(WordType);} + unsigned int GetBytesPerIteration() const {return sizeof(WordType) * W;} + bool CanIterate() const {return true;} + void TransformRegister() {this->Iterate(NULL, NULL, ENCRYPTION, 1);} + + template <class B> + struct RegisterOutput + { + RegisterOutput(byte *output, const byte *input, CipherDir dir) + : m_output(output), m_input(input), m_dir(dir) {} + + inline RegisterOutput& operator()(WordType ®isterWord) + { + assert(IsAligned<WordType>(m_output)); + assert(IsAligned<WordType>(m_input)); + + if (!NativeByteOrderIs(B::ToEnum())) + registerWord = ByteReverse(registerWord); + + if (m_dir == ENCRYPTION) + { + if (m_input == NULL) + assert(m_output == NULL); + else + { + WordType ct = *(const WordType *)m_input ^ registerWord; + registerWord = ct; + *(WordType*)m_output = ct; + m_input += sizeof(WordType); + m_output += sizeof(WordType); + } + } + else + { + WordType ct = *(const WordType *)m_input; + *(WordType*)m_output = registerWord ^ ct; + registerWord = ct; + m_input += sizeof(WordType); + m_output += sizeof(WordType); + } + + // registerWord is left unreversed so it can be xor-ed with further input + + return *this; + } + + byte *m_output; + const byte *m_input; + CipherDir m_dir; + }; +}; + +template <class BASE> +class CRYPTOPP_NO_VTABLE CFB_CipherTemplate : public BASE +{ +public: + void ProcessData(byte *outString, const byte *inString, size_t length); + void Resynchronize(const byte *iv, int length=-1); + unsigned int OptimalBlockSize() const {return this->GetPolicy().GetBytesPerIteration();} + unsigned int GetOptimalNextBlockSize() const {return (unsigned int)m_leftOver;} + unsigned int OptimalDataAlignment() const {return this->GetPolicy().GetAlignment();} + bool IsRandomAccess() const {return false;} + bool IsSelfInverting() const {return false;} + + typedef typename BASE::PolicyInterface PolicyInterface; + +protected: + virtual void CombineMessageAndShiftRegister(byte *output, byte *reg, const byte *message, size_t length) =0; + + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); + + size_t m_leftOver; +}; + +template <class BASE = AbstractPolicyHolder<CFB_CipherAbstractPolicy, SymmetricCipher> > +class CRYPTOPP_NO_VTABLE CFB_EncryptionTemplate : public CFB_CipherTemplate<BASE> +{ + bool IsForwardTransformation() const {return true;} + void CombineMessageAndShiftRegister(byte *output, byte *reg, const byte *message, size_t length); +}; + +template <class BASE = AbstractPolicyHolder<CFB_CipherAbstractPolicy, SymmetricCipher> > +class CRYPTOPP_NO_VTABLE CFB_DecryptionTemplate : public CFB_CipherTemplate<BASE> +{ + bool IsForwardTransformation() const {return false;} + void CombineMessageAndShiftRegister(byte *output, byte *reg, const byte *message, size_t length); +}; + +template <class BASE> +class CFB_RequireFullDataBlocks : public BASE +{ +public: + unsigned int MandatoryBlockSize() const {return this->OptimalBlockSize();} +}; + +//! _ +template <class BASE, class INFO = BASE> +class SymmetricCipherFinal : public AlgorithmImpl<SimpleKeyingInterfaceImpl<BASE, INFO>, INFO> +{ +public: + SymmetricCipherFinal() {} + SymmetricCipherFinal(const byte *key) + {this->SetKey(key, this->DEFAULT_KEYLENGTH);} + SymmetricCipherFinal(const byte *key, size_t length) + {this->SetKey(key, length);} + SymmetricCipherFinal(const byte *key, size_t length, const byte *iv) + {this->SetKeyWithIV(key, length, iv);} + + Clonable * Clone() const {return static_cast<SymmetricCipher *>(new SymmetricCipherFinal<BASE, INFO>(*this));} +}; + +NAMESPACE_END + +#ifdef CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES +#include "strciphr.cpp" +#endif + +NAMESPACE_BEGIN(CryptoPP) +CRYPTOPP_DLL_TEMPLATE_CLASS AbstractPolicyHolder<AdditiveCipherAbstractPolicy, SymmetricCipher>; +CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, SymmetricCipher> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_CipherTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, SymmetricCipher> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, SymmetricCipher> >; +CRYPTOPP_DLL_TEMPLATE_CLASS CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, SymmetricCipher> >; +NAMESPACE_END + +#endif diff --git a/CryptoPP/tea.cpp b/CryptoPP/tea.cpp new file mode 100644 index 000000000..b1fb6f140 --- /dev/null +++ b/CryptoPP/tea.cpp @@ -0,0 +1,159 @@ +// tea.cpp - modified by Wei Dai from code in the original paper + +#include "pch.h" +#include "tea.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const word32 DELTA = 0x9e3779b9; +typedef BlockGetAndPut<word32, BigEndian> Block; + +void TEA::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(length); + + GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, userKey, KEYLENGTH); + m_limit = GetRoundsAndThrowIfInvalid(params, this) * DELTA; +} + +void TEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 y, z; + Block::Get(inBlock)(y)(z); + + word32 sum = 0; + while (sum != m_limit) + { + sum += DELTA; + y += (z << 4) + m_k[0] ^ z + sum ^ (z >> 5) + m_k[1]; + z += (y << 4) + m_k[2] ^ y + sum ^ (y >> 5) + m_k[3]; + } + + Block::Put(xorBlock, outBlock)(y)(z); +} + +void TEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 y, z; + Block::Get(inBlock)(y)(z); + + word32 sum = m_limit; + while (sum != 0) + { + z -= (y << 4) + m_k[2] ^ y + sum ^ (y >> 5) + m_k[3]; + y -= (z << 4) + m_k[0] ^ z + sum ^ (z >> 5) + m_k[1]; + sum -= DELTA; + } + + Block::Put(xorBlock, outBlock)(y)(z); +} + +void XTEA::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(length); + + GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, userKey, KEYLENGTH); + m_limit = GetRoundsAndThrowIfInvalid(params, this) * DELTA; +} + +void XTEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 y, z; + Block::Get(inBlock)(y)(z); + +#ifdef __SUNPRO_CC + // workaround needed on Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21 + size_t sum = 0; + while ((sum&0xffffffff) != m_limit) +#else + word32 sum = 0; + while (sum != m_limit) +#endif + { + y += (z<<4 ^ z>>5) + z ^ sum + m_k[sum&3]; + sum += DELTA; + z += (y<<4 ^ y>>5) + y ^ sum + m_k[sum>>11 & 3]; + } + + Block::Put(xorBlock, outBlock)(y)(z); +} + +void XTEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 y, z; + Block::Get(inBlock)(y)(z); + +#ifdef __SUNPRO_CC + // workaround needed on Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21 + size_t sum = m_limit; + while ((sum&0xffffffff) != 0) +#else + word32 sum = m_limit; + while (sum != 0) +#endif + { + z -= (y<<4 ^ y>>5) + y ^ sum + m_k[sum>>11 & 3]; + sum -= DELTA; + y -= (z<<4 ^ z>>5) + z ^ sum + m_k[sum&3]; + } + + Block::Put(xorBlock, outBlock)(y)(z); +} + +#define MX (z>>5^y<<2)+(y>>3^z<<4)^(sum^y)+(m_k[p&3^e]^z) + +void BTEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + unsigned int n = m_blockSize / 4; + word32 *v = (word32*)outBlock; + ConditionalByteReverse(BIG_ENDIAN_ORDER, v, (const word32*)inBlock, m_blockSize); + + word32 y = v[0], z = v[n-1], e; + word32 p, q = 6+52/n; + word32 sum = 0; + + while (q-- > 0) + { + sum += DELTA; + e = sum>>2 & 3; + for (p = 0; p < n-1; p++) + { + y = v[p+1]; + z = v[p] += MX; + } + y = v[0]; + z = v[n-1] += MX; + } + + ConditionalByteReverse(BIG_ENDIAN_ORDER, v, v, m_blockSize); +} + +void BTEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + unsigned int n = m_blockSize / 4; + word32 *v = (word32*)outBlock; + ConditionalByteReverse(BIG_ENDIAN_ORDER, v, (const word32*)inBlock, m_blockSize); + + word32 y = v[0], z = v[n-1], e; + word32 p, q = 6+52/n; + word32 sum = q * DELTA; + + while (sum != 0) + { + e = sum>>2 & 3; + for (p = n-1; p > 0; p--) + { + z = v[p-1]; + y = v[p] -= MX; + } + + z = v[n-1]; + y = v[0] -= MX; + sum -= DELTA; + } + + ConditionalByteReverse(BIG_ENDIAN_ORDER, v, v, m_blockSize); +} + +NAMESPACE_END diff --git a/CryptoPP/tea.h b/CryptoPP/tea.h new file mode 100644 index 000000000..d8ddded86 --- /dev/null +++ b/CryptoPP/tea.h @@ -0,0 +1,132 @@ +#ifndef CRYPTOPP_TEA_H +#define CRYPTOPP_TEA_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct TEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32> +{ + static const char *StaticAlgorithmName() {return "TEA";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">TEA</a> +class TEA : public TEA_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<TEA_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + FixedSizeSecBlock<word32, 4> m_k; + word32 m_limit; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef TEA::Encryption TEAEncryption; +typedef TEA::Decryption TEADecryption; + +//! _ +struct XTEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32> +{ + static const char *StaticAlgorithmName() {return "XTEA";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">XTEA</a> +class XTEA : public XTEA_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<XTEA_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + FixedSizeSecBlock<word32, 4> m_k; + word32 m_limit; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +//! _ +struct BTEA_Info : public FixedKeyLength<16> +{ + static const char *StaticAlgorithmName() {return "BTEA";} +}; + +//! <a href="http://www.weidai.com/scan-mirror/cs.html#TEA">corrected Block TEA</a> (as described in "xxtea"). +/*! This class hasn't been tested yet. */ +class BTEA : public BTEA_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public AlgorithmImpl<SimpleKeyingInterfaceImpl<BlockCipher, BTEA_Info>, BTEA_Info>, public BTEA_Info + { + public: + void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms) + { + m_blockSize = params.GetIntValueWithDefault("BlockSize", 60*4); + GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, key, KEYLENGTH); + } + + unsigned int BlockSize() const {return m_blockSize;} + + protected: + FixedSizeSecBlock<word32, 4> m_k; + unsigned int m_blockSize; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/tftables.cpp b/CryptoPP/tftables.cpp new file mode 100644 index 000000000..dc654cf0f --- /dev/null +++ b/CryptoPP/tftables.cpp @@ -0,0 +1,317 @@ +// Twofish tables + +#include "pch.h" +#include "twofish.h" + +NAMESPACE_BEGIN(CryptoPP) + +const byte Twofish::Base::q[2][256] = { + 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76, 0x9A, 0x92, 0x80, 0x78, + 0xE4, 0xDD, 0xD1, 0x38, 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C, + 0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48, 0xF2, 0xD0, 0x8B, 0x30, + 0x84, 0x54, 0xDF, 0x23, 0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82, + 0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C, 0xA6, 0xEB, 0xA5, 0xBE, + 0x16, 0x0C, 0xE3, 0x61, 0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B, + 0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1, 0xE1, 0xE6, 0xBD, 0x45, + 0xE2, 0xF4, 0xB6, 0x66, 0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7, + 0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA, 0xEA, 0x77, 0x39, 0xAF, + 0x33, 0xC9, 0x62, 0x71, 0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8, + 0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7, 0xA1, 0x1D, 0xAA, 0xED, + 0x06, 0x70, 0xB2, 0xD2, 0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90, + 0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB, 0x9E, 0x9C, 0x52, 0x1B, + 0x5F, 0x93, 0x0A, 0xEF, 0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B, + 0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64, 0x2A, 0xCE, 0xCB, 0x2F, + 0xFC, 0x97, 0x05, 0x7A, 0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A, + 0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02, 0xB8, 0xDA, 0xB0, 0x17, + 0x55, 0x1F, 0x8A, 0x7D, 0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72, + 0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34, 0x6E, 0x50, 0xDE, 0x68, + 0x65, 0xBC, 0xDB, 0xF8, 0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4, + 0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00, 0x6F, 0x9D, 0x36, 0x42, + 0x4A, 0x5E, 0xC1, 0xE0, + + 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8, 0x4A, 0xD3, 0xE6, 0x6B, + 0x45, 0x7D, 0xE8, 0x4B, 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1, + 0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F, 0x5E, 0xBA, 0xAE, 0x5B, + 0x8A, 0x00, 0xBC, 0x9D, 0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5, + 0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3, 0xB2, 0x73, 0x4C, 0x54, + 0x92, 0x74, 0x36, 0x51, 0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96, + 0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C, 0x13, 0x95, 0x9C, 0xC7, + 0x24, 0x46, 0x3B, 0x70, 0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8, + 0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC, 0x03, 0x6F, 0x08, 0xBF, + 0x40, 0xE7, 0x2B, 0xE2, 0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9, + 0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17, 0x66, 0x94, 0xA1, 0x1D, + 0x3D, 0xF0, 0xDE, 0xB3, 0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E, + 0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49, 0x81, 0x88, 0xEE, 0x21, + 0xC4, 0x1A, 0xEB, 0xD9, 0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01, + 0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48, 0x4F, 0xF2, 0x65, 0x8E, + 0x78, 0x5C, 0x58, 0x19, 0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64, + 0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5, 0xCE, 0xE9, 0x68, 0x44, + 0xE0, 0x4D, 0x43, 0x69, 0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E, + 0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC, 0x22, 0xC9, 0xC0, 0x9B, + 0x89, 0xD4, 0xED, 0xAB, 0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9, + 0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2, 0x16, 0x25, 0x86, 0x56, + 0x55, 0x09, 0xBE, 0x91 +}; + +const word32 Twofish::Base::mds[4][256] = { + 0xbcbc3275, 0xecec21f3, 0x202043c6, 0xb3b3c9f4, + 0xdada03db, 0x02028b7b, 0xe2e22bfb, 0x9e9efac8, + 0xc9c9ec4a, 0xd4d409d3, 0x18186be6, 0x1e1e9f6b, + 0x98980e45, 0xb2b2387d, 0xa6a6d2e8, 0x2626b74b, + 0x3c3c57d6, 0x93938a32, 0x8282eed8, 0x525298fd, + 0x7b7bd437, 0xbbbb3771, 0x5b5b97f1, 0x474783e1, + 0x24243c30, 0x5151e20f, 0xbabac6f8, 0x4a4af31b, + 0xbfbf4887, 0x0d0d70fa, 0xb0b0b306, 0x7575de3f, + 0xd2d2fd5e, 0x7d7d20ba, 0x666631ae, 0x3a3aa35b, + 0x59591c8a, 0x00000000, 0xcdcd93bc, 0x1a1ae09d, + 0xaeae2c6d, 0x7f7fabc1, 0x2b2bc7b1, 0xbebeb90e, + 0xe0e0a080, 0x8a8a105d, 0x3b3b52d2, 0x6464bad5, + 0xd8d888a0, 0xe7e7a584, 0x5f5fe807, 0x1b1b1114, + 0x2c2cc2b5, 0xfcfcb490, 0x3131272c, 0x808065a3, + 0x73732ab2, 0x0c0c8173, 0x79795f4c, 0x6b6b4154, + 0x4b4b0292, 0x53536974, 0x94948f36, 0x83831f51, + 0x2a2a3638, 0xc4c49cb0, 0x2222c8bd, 0xd5d5f85a, + 0xbdbdc3fc, 0x48487860, 0xffffce62, 0x4c4c0796, + 0x4141776c, 0xc7c7e642, 0xebeb24f7, 0x1c1c1410, + 0x5d5d637c, 0x36362228, 0x6767c027, 0xe9e9af8c, + 0x4444f913, 0x1414ea95, 0xf5f5bb9c, 0xcfcf18c7, + 0x3f3f2d24, 0xc0c0e346, 0x7272db3b, 0x54546c70, + 0x29294cca, 0xf0f035e3, 0x0808fe85, 0xc6c617cb, + 0xf3f34f11, 0x8c8ce4d0, 0xa4a45993, 0xcaca96b8, + 0x68683ba6, 0xb8b84d83, 0x38382820, 0xe5e52eff, + 0xadad569f, 0x0b0b8477, 0xc8c81dc3, 0x9999ffcc, + 0x5858ed03, 0x19199a6f, 0x0e0e0a08, 0x95957ebf, + 0x70705040, 0xf7f730e7, 0x6e6ecf2b, 0x1f1f6ee2, + 0xb5b53d79, 0x09090f0c, 0x616134aa, 0x57571682, + 0x9f9f0b41, 0x9d9d803a, 0x111164ea, 0x2525cdb9, + 0xafafdde4, 0x4545089a, 0xdfdf8da4, 0xa3a35c97, + 0xeaead57e, 0x353558da, 0xededd07a, 0x4343fc17, + 0xf8f8cb66, 0xfbfbb194, 0x3737d3a1, 0xfafa401d, + 0xc2c2683d, 0xb4b4ccf0, 0x32325dde, 0x9c9c71b3, + 0x5656e70b, 0xe3e3da72, 0x878760a7, 0x15151b1c, + 0xf9f93aef, 0x6363bfd1, 0x3434a953, 0x9a9a853e, + 0xb1b1428f, 0x7c7cd133, 0x88889b26, 0x3d3da65f, + 0xa1a1d7ec, 0xe4e4df76, 0x8181942a, 0x91910149, + 0x0f0ffb81, 0xeeeeaa88, 0x161661ee, 0xd7d77321, + 0x9797f5c4, 0xa5a5a81a, 0xfefe3feb, 0x6d6db5d9, + 0x7878aec5, 0xc5c56d39, 0x1d1de599, 0x7676a4cd, + 0x3e3edcad, 0xcbcb6731, 0xb6b6478b, 0xefef5b01, + 0x12121e18, 0x6060c523, 0x6a6ab0dd, 0x4d4df61f, + 0xcecee94e, 0xdede7c2d, 0x55559df9, 0x7e7e5a48, + 0x2121b24f, 0x03037af2, 0xa0a02665, 0x5e5e198e, + 0x5a5a6678, 0x65654b5c, 0x62624e58, 0xfdfd4519, + 0x0606f48d, 0x404086e5, 0xf2f2be98, 0x3333ac57, + 0x17179067, 0x05058e7f, 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+ 0xa7ac16a7, 0x0f090c0f, 0x35f0e335, 0x23a76123, + 0xf090c0f0, 0xafe98caf, 0x809d3a80, 0x925cf592, + 0x810c7381, 0x27312c27, 0x76d02576, 0xe7560be7, + 0x7b92bb7b, 0xe9ce4ee9, 0xf10189f1, 0x9f1e6b9f, + 0xa93453a9, 0xc4f16ac4, 0x99c3b499, 0x975bf197, + 0x8347e183, 0x6b18e66b, 0xc822bdc8, 0x0e98450e, + 0x6e1fe26e, 0xc9b3f4c9, 0x2f74b62f, 0xcbf866cb, + 0xff99ccff, 0xea1495ea, 0xed5803ed, 0xf7dc56f7, + 0xe18bd4e1, 0x1b151c1b, 0xada21ead, 0x0cd3d70c, + 0x2be2fb2b, 0x1dc8c31d, 0x195e8e19, 0xc22cb5c2, + 0x8949e989, 0x12c1cf12, 0x7e95bf7e, 0x207dba20, + 0x6411ea64, 0x840b7784, 0x6dc5396d, 0x6a89af6a, + 0xd17c33d1, 0xa171c9a1, 0xceff62ce, 0x37bb7137, + 0xfb0f81fb, 0x3db5793d, 0x51e10951, 0xdc3eaddc, + 0x2d3f242d, 0xa476cda4, 0x9d55f99d, 0xee82d8ee, + 0x8640e586, 0xae78c5ae, 0xcd25b9cd, 0x04964d04, + 0x55774455, 0x0a0e080a, 0x13508613, 0x30f7e730, + 0xd337a1d3, 0x40fa1d40, 0x3461aa34, 0x8c4eed8c, + 0xb3b006b3, 0x6c54706c, 0x2a73b22a, 0x523bd252, + 0x0b9f410b, 0x8b027b8b, 0x88d8a088, 0x4ff3114f, + 0x67cb3167, 0x4627c246, 0xc06727c0, 0xb4fc90b4, + 0x28382028, 0x7f04f67f, 0x78486078, 0x2ee5ff2e, + 0x074c9607, 0x4b655c4b, 0xc72bb1c7, 0x6f8eab6f, + 0x0d429e0d, 0xbbf59cbb, 0xf2db52f2, 0xf34a1bf3, + 0xa63d5fa6, 0x59a49359, 0xbcb90abc, 0x3af9ef3a, + 0xef1391ef, 0xfe0885fe, 0x01914901, 0x6116ee61, + 0x7cde2d7c, 0xb2214fb2, 0x42b18f42, 0xdb723bdb, + 0xb82f47b8, 0x48bf8748, 0x2cae6d2c, 0xe3c046e3, + 0x573cd657, 0x859a3e85, 0x29a96929, 0x7d4f647d, + 0x94812a94, 0x492ece49, 0x17c6cb17, 0xca692fca, + 0xc3bdfcc3, 0x5ca3975c, 0x5ee8055e, 0xd0ed7ad0, + 0x87d1ac87, 0x8e057f8e, 0xba64d5ba, 0xa8a51aa8, + 0xb7264bb7, 0xb9be0eb9, 0x6087a760, 0xf8d55af8, + 0x22362822, 0x111b1411, 0xde753fde, 0x79d92979, + 0xaaee88aa, 0x332d3c33, 0x5f794c5f, 0xb6b702b6, + 0x96cab896, 0x5835da58, 0x9cc4b09c, 0xfc4317fc, + 0x1a84551a, 0xf64d1ff6, 0x1c598a1c, 0x38b27d38, + 0xac3357ac, 0x18cfc718, 0xf4068df4, 0x69537469, + 0x749bb774, 0xf597c4f5, 0x56ad9f56, 0xdae372da, + 0xd5ea7ed5, 0x4af4154a, 0x9e8f229e, 0xa2ab12a2, + 0x4e62584e, 0xe85f07e8, 0xe51d99e5, 0x39233439, + 0xc1f66ec1, 0x446c5044, 0x5d32de5d, 0x72466872, + 0x26a06526, 0x93cdbc93, 0x03dadb03, 0xc6baf8c6, + 0xfa9ec8fa, 0x82d6a882, 0xcf6e2bcf, 0x50704050, + 0xeb85dceb, 0x750afe75, 0x8a93328a, 0x8ddfa48d, + 0x4c29ca4c, 0x141c1014, 0x73d72173, 0xccb4f0cc, + 0x09d4d309, 0x108a5d10, 0xe2510fe2, 0x00000000, + 0x9a196f9a, 0xe01a9de0, 0x8f94368f, 0xe6c742e6, + 0xecc94aec, 0xfdd25efd, 0xab7fc1ab, 0xd8a8e0d8}; + +NAMESPACE_END diff --git a/CryptoPP/tiger.cpp b/CryptoPP/tiger.cpp new file mode 100644 index 000000000..c6c05caed --- /dev/null +++ b/CryptoPP/tiger.cpp @@ -0,0 +1,265 @@ +// tiger.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "tiger.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Tiger::InitState(HashWordType *state) +{ + state[0] = W64LIT(0x0123456789ABCDEF); + state[1] = W64LIT(0xFEDCBA9876543210); + state[2] = W64LIT(0xF096A5B4C3B2E187); +} + +void Tiger::TruncatedFinal(byte *hash, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + PadLastBlock(56, 0x01); + CorrectEndianess(m_data, m_data, 56); + + m_data[7] = GetBitCountLo(); + + Transform(m_state, m_data); + CorrectEndianess(m_state, m_state, DigestSize()); + memcpy(hash, m_state, size); + + Restart(); // reinit for next use +} + +void Tiger::Transform (word64 *digest, const word64 *X) +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 + if (HasSSE2()) + { +#ifdef __GNUC__ + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + AS1( push ebx) +#else + #if _MSC_VER < 1300 + const word64 *t = table; + AS2( mov edx, t) + #else + AS2( lea edx, [table]) + #endif + AS2( mov eax, digest) + AS2( mov esi, X) +#endif + AS2( movq mm0, [eax]) + AS2( movq mm1, [eax+1*8]) + AS2( movq mm5, mm1) + AS2( movq mm2, [eax+2*8]) + AS2( movq mm7, [edx+4*2048+0*8]) + AS2( movq mm6, [edx+4*2048+1*8]) + AS2( mov ecx, esp) + AS2( and esp, 0xfffffff0) + AS2( sub esp, 8*8) + AS1( push ecx) + +#define SSE2_round(a,b,c,x,mul) \ + AS2( pxor c, [x])\ + AS2( movd ecx, c)\ + AS2( movzx edi, cl)\ + AS2( movq mm3, [edx+0*2048+edi*8])\ + AS2( movzx edi, ch)\ + AS2( movq mm4, [edx+3*2048+edi*8])\ + AS2( shr ecx, 16)\ + AS2( movzx edi, cl)\ + AS2( pxor mm3, [edx+1*2048+edi*8])\ + AS2( movzx edi, ch)\ + AS2( pxor mm4, [edx+2*2048+edi*8])\ + AS3( pextrw ecx, c, 2)\ + AS2( movzx edi, cl)\ + AS2( pxor mm3, [edx+2*2048+edi*8])\ + AS2( movzx edi, ch)\ + AS2( pxor mm4, [edx+1*2048+edi*8])\ + AS3( pextrw ecx, c, 3)\ + AS2( movzx edi, cl)\ + AS2( pxor mm3, [edx+3*2048+edi*8])\ + AS2( psubq a, mm3)\ + AS2( movzx edi, ch)\ + AS2( pxor mm4, [edx+0*2048+edi*8])\ + AS2( paddq b, mm4)\ + SSE2_mul_##mul(b) + +#define SSE2_mul_5(b) \ + AS2( movq mm3, b)\ + AS2( psllq b, 2)\ + AS2( paddq b, mm3) + +#define SSE2_mul_7(b) \ + AS2( movq mm3, b)\ + AS2( psllq b, 3)\ + AS2( psubq b, mm3) + +#define SSE2_mul_9(b) \ + AS2( movq mm3, b)\ + AS2( psllq b, 3)\ + AS2( paddq b, mm3) + +#define label2_5 1 +#define label2_7 2 +#define label2_9 3 + +#define SSE2_pass(A,B,C,mul,X) \ + AS2( xor ebx, ebx)\ + ASL(mul)\ + SSE2_round(A,B,C,X+0*8+ebx,mul)\ + SSE2_round(B,C,A,X+1*8+ebx,mul)\ + AS2( cmp ebx, 6*8)\ + ASJ( je, label2_##mul, f)\ + SSE2_round(C,A,B,X+2*8+ebx,mul)\ + AS2( add ebx, 3*8)\ + ASJ( jmp, mul, b)\ + ASL(label2_##mul) + +#define SSE2_key_schedule(Y,X) \ + AS2( movq mm3, [X+7*8])\ + AS2( pxor mm3, mm6)\ + AS2( movq mm4, [X+0*8])\ + AS2( psubq mm4, mm3)\ + AS2( movq [Y+0*8], mm4)\ + AS2( pxor mm4, [X+1*8])\ + AS2( movq mm3, mm4)\ + AS2( movq [Y+1*8], mm4)\ + AS2( paddq mm4, [X+2*8])\ + AS2( pxor mm3, mm7)\ + AS2( psllq mm3, 19)\ + AS2( movq [Y+2*8], mm4)\ + AS2( pxor mm3, mm4)\ + AS2( movq mm4, [X+3*8])\ + AS2( psubq mm4, mm3)\ + AS2( movq [Y+3*8], mm4)\ + AS2( pxor mm4, [X+4*8])\ + AS2( movq mm3, mm4)\ + AS2( movq [Y+4*8], mm4)\ + AS2( paddq mm4, [X+5*8])\ + AS2( pxor mm3, mm7)\ + AS2( psrlq mm3, 23)\ + AS2( movq [Y+5*8], mm4)\ + AS2( pxor mm3, mm4)\ + AS2( movq mm4, [X+6*8])\ + AS2( psubq mm4, mm3)\ + AS2( movq [Y+6*8], mm4)\ + AS2( pxor mm4, [X+7*8])\ + AS2( movq mm3, mm4)\ + AS2( movq [Y+7*8], mm4)\ + AS2( paddq mm4, [Y+0*8])\ + AS2( pxor mm3, mm7)\ + AS2( psllq mm3, 19)\ + AS2( movq [Y+0*8], mm4)\ + AS2( pxor mm3, mm4)\ + AS2( movq mm4, [Y+1*8])\ + AS2( psubq mm4, mm3)\ + AS2( movq [Y+1*8], mm4)\ + AS2( pxor mm4, [Y+2*8])\ + AS2( movq mm3, mm4)\ + AS2( movq [Y+2*8], mm4)\ + AS2( paddq mm4, [Y+3*8])\ + AS2( pxor mm3, mm7)\ + AS2( psrlq mm3, 23)\ + AS2( movq [Y+3*8], mm4)\ + AS2( pxor mm3, mm4)\ + AS2( movq mm4, [Y+4*8])\ + AS2( psubq mm4, mm3)\ + AS2( movq [Y+4*8], mm4)\ + AS2( pxor mm4, [Y+5*8])\ + AS2( movq [Y+5*8], mm4)\ + AS2( paddq mm4, [Y+6*8])\ + AS2( movq [Y+6*8], mm4)\ + AS2( pxor mm4, [edx+4*2048+2*8])\ + AS2( movq mm3, [Y+7*8])\ + AS2( psubq mm3, mm4)\ + AS2( movq [Y+7*8], mm3) + + SSE2_pass(mm0, mm1, mm2, 5, esi) + SSE2_key_schedule(esp+4, esi) + SSE2_pass(mm2, mm0, mm1, 7, esp+4) + SSE2_key_schedule(esp+4, esp+4) + SSE2_pass(mm1, mm2, mm0, 9, esp+4) + + AS2( pxor mm0, [eax+0*8]) + AS2( movq [eax+0*8], mm0) + AS2( psubq mm1, mm5) + AS2( movq [eax+1*8], mm1) + AS2( paddq mm2, [eax+2*8]) + AS2( movq [eax+2*8], mm2) + + AS1( pop esp) + AS1( emms) +#ifdef __GNUC__ + AS1( pop ebx) + ".att_syntax prefix;" + : + : "a" (digest), "S" (X), "d" (table) + : "%ecx", "%edi", "memory", "cc" + ); +#endif + } + else +#endif + { + word64 a = digest[0]; + word64 b = digest[1]; + word64 c = digest[2]; + word64 Y[8]; + +#define t1 (table) +#define t2 (table+256) +#define t3 (table+256*2) +#define t4 (table+256*3) + +#define round(a,b,c,x,mul) \ + c ^= x; \ + a -= t1[GETBYTE(c,0)] ^ t2[GETBYTE(c,2)] ^ t3[GETBYTE(c,4)] ^ t4[GETBYTE(c,6)]; \ + b += t4[GETBYTE(c,1)] ^ t3[GETBYTE(c,3)] ^ t2[GETBYTE(c,5)] ^ t1[GETBYTE(c,7)]; \ + b *= mul + +#define pass(a,b,c,mul,X) {\ + int i=0;\ + while (true)\ + {\ + round(a,b,c,X[i+0],mul); \ + round(b,c,a,X[i+1],mul); \ + if (i==6)\ + break;\ + round(c,a,b,X[i+2],mul); \ + i+=3;\ + }} + +#define key_schedule(Y,X) \ + Y[0] = X[0] - (X[7]^W64LIT(0xA5A5A5A5A5A5A5A5)); \ + Y[1] = X[1] ^ Y[0]; \ + Y[2] = X[2] + Y[1]; \ + Y[3] = X[3] - (Y[2] ^ ((~Y[1])<<19)); \ + Y[4] = X[4] ^ Y[3]; \ + Y[5] = X[5] + Y[4]; \ + Y[6] = X[6] - (Y[5] ^ ((~Y[4])>>23)); \ + Y[7] = X[7] ^ Y[6]; \ + Y[0] += Y[7]; \ + Y[1] -= Y[0] ^ ((~Y[7])<<19); \ + Y[2] ^= Y[1]; \ + Y[3] += Y[2]; \ + Y[4] -= Y[3] ^ ((~Y[2])>>23); \ + Y[5] ^= Y[4]; \ + Y[6] += Y[5]; \ + Y[7] -= Y[6] ^ W64LIT(0x0123456789ABCDEF) + + pass(a,b,c,5,X); + key_schedule(Y,X); + pass(c,a,b,7,Y); + key_schedule(Y,Y); + pass(b,c,a,9,Y); + + digest[0] = a ^ digest[0]; + digest[1] = b - digest[1]; + digest[2] = c + digest[2]; + } +} + +NAMESPACE_END diff --git a/CryptoPP/tiger.h b/CryptoPP/tiger.h new file mode 100644 index 000000000..5f6e941ac --- /dev/null +++ b/CryptoPP/tiger.h @@ -0,0 +1,24 @@ +#ifndef CRYPTOPP_TIGER_H +#define CRYPTOPP_TIGER_H + +#include "config.h" +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// <a href="http://www.cryptolounge.org/wiki/Tiger">Tiger</a> +class Tiger : public IteratedHashWithStaticTransform<word64, LittleEndian, 64, 24, Tiger> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word64 *digest, const word64 *data); + void TruncatedFinal(byte *hash, size_t size); + static const char * StaticAlgorithmName() {return "Tiger";} + +protected: + static const word64 table[4*256+3]; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/tigertab.cpp b/CryptoPP/tigertab.cpp new file mode 100644 index 000000000..5c1595b5b --- /dev/null +++ b/CryptoPP/tigertab.cpp @@ -0,0 +1,525 @@ +#include "pch.h" +#include "tiger.h" + +NAMESPACE_BEGIN(CryptoPP) + +const word64 Tiger::table[4*256+3] = +{ + W64LIT(0x02AAB17CF7E90C5E) /* 0 */, W64LIT(0xAC424B03E243A8EC) /* 1 */, + W64LIT(0x72CD5BE30DD5FCD3) /* 2 */, W64LIT(0x6D019B93F6F97F3A) /* 3 */, + W64LIT(0xCD9978FFD21F9193) /* 4 */, W64LIT(0x7573A1C9708029E2) /* 5 */, + W64LIT(0xB164326B922A83C3) /* 6 */, W64LIT(0x46883EEE04915870) /* 7 */, + W64LIT(0xEAACE3057103ECE6) /* 8 */, W64LIT(0xC54169B808A3535C) /* 9 */, + W64LIT(0x4CE754918DDEC47C) /* 10 */, W64LIT(0x0AA2F4DFDC0DF40C) /* 11 */, + W64LIT(0x10B76F18A74DBEFA) /* 12 */, W64LIT(0xC6CCB6235AD1AB6A) /* 13 */, + W64LIT(0x13726121572FE2FF) /* 14 */, W64LIT(0x1A488C6F199D921E) /* 15 */, + W64LIT(0x4BC9F9F4DA0007CA) /* 16 */, W64LIT(0x26F5E6F6E85241C7) /* 17 */, + W64LIT(0x859079DBEA5947B6) /* 18 */, W64LIT(0x4F1885C5C99E8C92) /* 19 */, + W64LIT(0xD78E761EA96F864B) /* 20 */, W64LIT(0x8E36428C52B5C17D) /* 21 */, + W64LIT(0x69CF6827373063C1) /* 22 */, W64LIT(0xB607C93D9BB4C56E) /* 23 */, + W64LIT(0x7D820E760E76B5EA) /* 24 */, W64LIT(0x645C9CC6F07FDC42) /* 25 */, + W64LIT(0xBF38A078243342E0) /* 26 */, W64LIT(0x5F6B343C9D2E7D04) /* 27 */, + W64LIT(0xF2C28AEB600B0EC6) /* 28 */, W64LIT(0x6C0ED85F7254BCAC) /* 29 */, + W64LIT(0x71592281A4DB4FE5) /* 30 */, W64LIT(0x1967FA69CE0FED9F) /* 31 */, + W64LIT(0xFD5293F8B96545DB) /* 32 */, W64LIT(0xC879E9D7F2A7600B) /* 33 */, + W64LIT(0x860248920193194E) /* 34 */, W64LIT(0xA4F9533B2D9CC0B3) /* 35 */, + W64LIT(0x9053836C15957613) /* 36 */, W64LIT(0xDB6DCF8AFC357BF1) /* 37 */, + W64LIT(0x18BEEA7A7A370F57) /* 38 */, W64LIT(0x037117CA50B99066) /* 39 */, + W64LIT(0x6AB30A9774424A35) /* 40 */, W64LIT(0xF4E92F02E325249B) /* 41 */, + W64LIT(0x7739DB07061CCAE1) /* 42 */, W64LIT(0xD8F3B49CECA42A05) /* 43 */, + W64LIT(0xBD56BE3F51382F73) /* 44 */, W64LIT(0x45FAED5843B0BB28) /* 45 */, + W64LIT(0x1C813D5C11BF1F83) /* 46 */, W64LIT(0x8AF0E4B6D75FA169) /* 47 */, + W64LIT(0x33EE18A487AD9999) /* 48 */, W64LIT(0x3C26E8EAB1C94410) /* 49 */, + W64LIT(0xB510102BC0A822F9) /* 50 */, W64LIT(0x141EEF310CE6123B) /* 51 */, + W64LIT(0xFC65B90059DDB154) /* 52 */, W64LIT(0xE0158640C5E0E607) /* 53 */, + W64LIT(0x884E079826C3A3CF) /* 54 */, W64LIT(0x930D0D9523C535FD) /* 55 */, + W64LIT(0x35638D754E9A2B00) /* 56 */, W64LIT(0x4085FCCF40469DD5) /* 57 */, + W64LIT(0xC4B17AD28BE23A4C) /* 58 */, W64LIT(0xCAB2F0FC6A3E6A2E) /* 59 */, + W64LIT(0x2860971A6B943FCD) /* 60 */, W64LIT(0x3DDE6EE212E30446) /* 61 */, + W64LIT(0x6222F32AE01765AE) /* 62 */, W64LIT(0x5D550BB5478308FE) /* 63 */, + W64LIT(0xA9EFA98DA0EDA22A) /* 64 */, W64LIT(0xC351A71686C40DA7) /* 65 */, + W64LIT(0x1105586D9C867C84) /* 66 */, W64LIT(0xDCFFEE85FDA22853) /* 67 */, + W64LIT(0xCCFBD0262C5EEF76) /* 68 */, W64LIT(0xBAF294CB8990D201) /* 69 */, + W64LIT(0xE69464F52AFAD975) /* 70 */, W64LIT(0x94B013AFDF133E14) /* 71 */, + W64LIT(0x06A7D1A32823C958) /* 72 */, W64LIT(0x6F95FE5130F61119) /* 73 */, + W64LIT(0xD92AB34E462C06C0) /* 74 */, W64LIT(0xED7BDE33887C71D2) /* 75 */, + W64LIT(0x79746D6E6518393E) /* 76 */, W64LIT(0x5BA419385D713329) /* 77 */, + W64LIT(0x7C1BA6B948A97564) /* 78 */, W64LIT(0x31987C197BFDAC67) /* 79 */, + W64LIT(0xDE6C23C44B053D02) /* 80 */, W64LIT(0x581C49FED002D64D) /* 81 */, + W64LIT(0xDD474D6338261571) /* 82 */, W64LIT(0xAA4546C3E473D062) /* 83 */, + W64LIT(0x928FCE349455F860) /* 84 */, W64LIT(0x48161BBACAAB94D9) /* 85 */, + W64LIT(0x63912430770E6F68) /* 86 */, W64LIT(0x6EC8A5E602C6641C) /* 87 */, + W64LIT(0x87282515337DDD2B) /* 88 */, W64LIT(0x2CDA6B42034B701B) /* 89 */, + W64LIT(0xB03D37C181CB096D) /* 90 */, W64LIT(0xE108438266C71C6F) /* 91 */, + W64LIT(0x2B3180C7EB51B255) /* 92 */, W64LIT(0xDF92B82F96C08BBC) /* 93 */, + W64LIT(0x5C68C8C0A632F3BA) /* 94 */, W64LIT(0x5504CC861C3D0556) /* 95 */, + W64LIT(0xABBFA4E55FB26B8F) /* 96 */, W64LIT(0x41848B0AB3BACEB4) /* 97 */, + W64LIT(0xB334A273AA445D32) /* 98 */, W64LIT(0xBCA696F0A85AD881) /* 99 */, + W64LIT(0x24F6EC65B528D56C) /* 100 */, W64LIT(0x0CE1512E90F4524A) /* 101 */, + W64LIT(0x4E9DD79D5506D35A) /* 102 */, W64LIT(0x258905FAC6CE9779) /* 103 */, + W64LIT(0x2019295B3E109B33) /* 104 */, W64LIT(0xF8A9478B73A054CC) /* 105 */, + W64LIT(0x2924F2F934417EB0) /* 106 */, W64LIT(0x3993357D536D1BC4) /* 107 */, + W64LIT(0x38A81AC21DB6FF8B) /* 108 */, W64LIT(0x47C4FBF17D6016BF) /* 109 */, + W64LIT(0x1E0FAADD7667E3F5) /* 110 */, W64LIT(0x7ABCFF62938BEB96) /* 111 */, + W64LIT(0xA78DAD948FC179C9) /* 112 */, W64LIT(0x8F1F98B72911E50D) /* 113 */, + W64LIT(0x61E48EAE27121A91) /* 114 */, W64LIT(0x4D62F7AD31859808) /* 115 */, + W64LIT(0xECEBA345EF5CEAEB) /* 116 */, W64LIT(0xF5CEB25EBC9684CE) /* 117 */, + W64LIT(0xF633E20CB7F76221) /* 118 */, W64LIT(0xA32CDF06AB8293E4) /* 119 */, + W64LIT(0x985A202CA5EE2CA4) /* 120 */, W64LIT(0xCF0B8447CC8A8FB1) /* 121 */, + W64LIT(0x9F765244979859A3) /* 122 */, W64LIT(0xA8D516B1A1240017) /* 123 */, + W64LIT(0x0BD7BA3EBB5DC726) /* 124 */, W64LIT(0xE54BCA55B86ADB39) /* 125 */, + W64LIT(0x1D7A3AFD6C478063) /* 126 */, W64LIT(0x519EC608E7669EDD) /* 127 */, + W64LIT(0x0E5715A2D149AA23) /* 128 */, W64LIT(0x177D4571848FF194) /* 129 */, + W64LIT(0xEEB55F3241014C22) /* 130 */, W64LIT(0x0F5E5CA13A6E2EC2) /* 131 */, + W64LIT(0x8029927B75F5C361) /* 132 */, W64LIT(0xAD139FABC3D6E436) /* 133 */, + W64LIT(0x0D5DF1A94CCF402F) /* 134 */, W64LIT(0x3E8BD948BEA5DFC8) /* 135 */, + W64LIT(0xA5A0D357BD3FF77E) /* 136 */, W64LIT(0xA2D12E251F74F645) /* 137 */, + W64LIT(0x66FD9E525E81A082) /* 138 */, W64LIT(0x2E0C90CE7F687A49) /* 139 */, + W64LIT(0xC2E8BCBEBA973BC5) /* 140 */, W64LIT(0x000001BCE509745F) /* 141 */, + W64LIT(0x423777BBE6DAB3D6) /* 142 */, W64LIT(0xD1661C7EAEF06EB5) /* 143 */, + W64LIT(0xA1781F354DAACFD8) /* 144 */, W64LIT(0x2D11284A2B16AFFC) /* 145 */, + W64LIT(0xF1FC4F67FA891D1F) /* 146 */, W64LIT(0x73ECC25DCB920ADA) /* 147 */, + W64LIT(0xAE610C22C2A12651) /* 148 */, W64LIT(0x96E0A810D356B78A) /* 149 */, + W64LIT(0x5A9A381F2FE7870F) /* 150 */, W64LIT(0xD5AD62EDE94E5530) /* 151 */, + W64LIT(0xD225E5E8368D1427) /* 152 */, W64LIT(0x65977B70C7AF4631) /* 153 */, + W64LIT(0x99F889B2DE39D74F) /* 154 */, W64LIT(0x233F30BF54E1D143) /* 155 */, + W64LIT(0x9A9675D3D9A63C97) /* 156 */, W64LIT(0x5470554FF334F9A8) /* 157 */, + W64LIT(0x166ACB744A4F5688) /* 158 */, W64LIT(0x70C74CAAB2E4AEAD) /* 159 */, + W64LIT(0xF0D091646F294D12) /* 160 */, W64LIT(0x57B82A89684031D1) /* 161 */, + W64LIT(0xEFD95A5A61BE0B6B) /* 162 */, W64LIT(0x2FBD12E969F2F29A) /* 163 */, + W64LIT(0x9BD37013FEFF9FE8) /* 164 */, W64LIT(0x3F9B0404D6085A06) /* 165 */, + W64LIT(0x4940C1F3166CFE15) /* 166 */, W64LIT(0x09542C4DCDF3DEFB) /* 167 */, + W64LIT(0xB4C5218385CD5CE3) /* 168 */, W64LIT(0xC935B7DC4462A641) /* 169 */, + W64LIT(0x3417F8A68ED3B63F) /* 170 */, W64LIT(0xB80959295B215B40) /* 171 */, + W64LIT(0xF99CDAEF3B8C8572) /* 172 */, W64LIT(0x018C0614F8FCB95D) /* 173 */, + W64LIT(0x1B14ACCD1A3ACDF3) /* 174 */, W64LIT(0x84D471F200BB732D) /* 175 */, + W64LIT(0xC1A3110E95E8DA16) /* 176 */, W64LIT(0x430A7220BF1A82B8) /* 177 */, + W64LIT(0xB77E090D39DF210E) /* 178 */, W64LIT(0x5EF4BD9F3CD05E9D) /* 179 */, + W64LIT(0x9D4FF6DA7E57A444) /* 180 */, W64LIT(0xDA1D60E183D4A5F8) /* 181 */, + W64LIT(0xB287C38417998E47) /* 182 */, W64LIT(0xFE3EDC121BB31886) /* 183 */, + W64LIT(0xC7FE3CCC980CCBEF) /* 184 */, W64LIT(0xE46FB590189BFD03) /* 185 */, + W64LIT(0x3732FD469A4C57DC) /* 186 */, W64LIT(0x7EF700A07CF1AD65) /* 187 */, + W64LIT(0x59C64468A31D8859) /* 188 */, W64LIT(0x762FB0B4D45B61F6) /* 189 */, + W64LIT(0x155BAED099047718) /* 190 */, W64LIT(0x68755E4C3D50BAA6) /* 191 */, + W64LIT(0xE9214E7F22D8B4DF) /* 192 */, W64LIT(0x2ADDBF532EAC95F4) /* 193 */, + W64LIT(0x32AE3909B4BD0109) /* 194 */, W64LIT(0x834DF537B08E3450) /* 195 */, + W64LIT(0xFA209DA84220728D) /* 196 */, W64LIT(0x9E691D9B9EFE23F7) /* 197 */, + W64LIT(0x0446D288C4AE8D7F) /* 198 */, W64LIT(0x7B4CC524E169785B) /* 199 */, + W64LIT(0x21D87F0135CA1385) /* 200 */, W64LIT(0xCEBB400F137B8AA5) /* 201 */, + W64LIT(0x272E2B66580796BE) /* 202 */, W64LIT(0x3612264125C2B0DE) /* 203 */, + W64LIT(0x057702BDAD1EFBB2) /* 204 */, W64LIT(0xD4BABB8EACF84BE9) /* 205 */, + W64LIT(0x91583139641BC67B) /* 206 */, W64LIT(0x8BDC2DE08036E024) /* 207 */, + W64LIT(0x603C8156F49F68ED) /* 208 */, W64LIT(0xF7D236F7DBEF5111) /* 209 */, + W64LIT(0x9727C4598AD21E80) /* 210 */, W64LIT(0xA08A0896670A5FD7) /* 211 */, + W64LIT(0xCB4A8F4309EBA9CB) /* 212 */, W64LIT(0x81AF564B0F7036A1) /* 213 */, + W64LIT(0xC0B99AA778199ABD) /* 214 */, W64LIT(0x959F1EC83FC8E952) /* 215 */, + W64LIT(0x8C505077794A81B9) /* 216 */, W64LIT(0x3ACAAF8F056338F0) /* 217 */, + W64LIT(0x07B43F50627A6778) /* 218 */, W64LIT(0x4A44AB49F5ECCC77) /* 219 */, + W64LIT(0x3BC3D6E4B679EE98) /* 220 */, W64LIT(0x9CC0D4D1CF14108C) /* 221 */, + W64LIT(0x4406C00B206BC8A0) /* 222 */, W64LIT(0x82A18854C8D72D89) /* 223 */, + W64LIT(0x67E366B35C3C432C) /* 224 */, W64LIT(0xB923DD61102B37F2) /* 225 */, + W64LIT(0x56AB2779D884271D) /* 226 */, W64LIT(0xBE83E1B0FF1525AF) /* 227 */, + W64LIT(0xFB7C65D4217E49A9) /* 228 */, W64LIT(0x6BDBE0E76D48E7D4) /* 229 */, + W64LIT(0x08DF828745D9179E) /* 230 */, W64LIT(0x22EA6A9ADD53BD34) /* 231 */, + W64LIT(0xE36E141C5622200A) /* 232 */, W64LIT(0x7F805D1B8CB750EE) /* 233 */, + W64LIT(0xAFE5C7A59F58E837) /* 234 */, W64LIT(0xE27F996A4FB1C23C) /* 235 */, + W64LIT(0xD3867DFB0775F0D0) /* 236 */, W64LIT(0xD0E673DE6E88891A) /* 237 */, + W64LIT(0x123AEB9EAFB86C25) /* 238 */, W64LIT(0x30F1D5D5C145B895) /* 239 */, + W64LIT(0xBB434A2DEE7269E7) /* 240 */, W64LIT(0x78CB67ECF931FA38) /* 241 */, + W64LIT(0xF33B0372323BBF9C) /* 242 */, W64LIT(0x52D66336FB279C74) /* 243 */, + W64LIT(0x505F33AC0AFB4EAA) /* 244 */, W64LIT(0xE8A5CD99A2CCE187) /* 245 */, + W64LIT(0x534974801E2D30BB) /* 246 */, W64LIT(0x8D2D5711D5876D90) /* 247 */, + W64LIT(0x1F1A412891BC038E) /* 248 */, W64LIT(0xD6E2E71D82E56648) /* 249 */, + W64LIT(0x74036C3A497732B7) /* 250 */, W64LIT(0x89B67ED96361F5AB) /* 251 */, + W64LIT(0xFFED95D8F1EA02A2) /* 252 */, W64LIT(0xE72B3BD61464D43D) /* 253 */, + W64LIT(0xA6300F170BDC4820) /* 254 */, W64LIT(0xEBC18760ED78A77A) /* 255 */, + W64LIT(0xE6A6BE5A05A12138) /* 256 */, W64LIT(0xB5A122A5B4F87C98) /* 257 */, + W64LIT(0x563C6089140B6990) /* 258 */, W64LIT(0x4C46CB2E391F5DD5) /* 259 */, + W64LIT(0xD932ADDBC9B79434) /* 260 */, W64LIT(0x08EA70E42015AFF5) /* 261 */, + W64LIT(0xD765A6673E478CF1) /* 262 */, W64LIT(0xC4FB757EAB278D99) /* 263 */, + W64LIT(0xDF11C6862D6E0692) /* 264 */, W64LIT(0xDDEB84F10D7F3B16) /* 265 */, + W64LIT(0x6F2EF604A665EA04) /* 266 */, W64LIT(0x4A8E0F0FF0E0DFB3) /* 267 */, + W64LIT(0xA5EDEEF83DBCBA51) /* 268 */, W64LIT(0xFC4F0A2A0EA4371E) /* 269 */, + W64LIT(0xE83E1DA85CB38429) /* 270 */, W64LIT(0xDC8FF882BA1B1CE2) /* 271 */, + W64LIT(0xCD45505E8353E80D) /* 272 */, W64LIT(0x18D19A00D4DB0717) /* 273 */, + W64LIT(0x34A0CFEDA5F38101) /* 274 */, W64LIT(0x0BE77E518887CAF2) /* 275 */, + W64LIT(0x1E341438B3C45136) /* 276 */, W64LIT(0xE05797F49089CCF9) /* 277 */, + W64LIT(0xFFD23F9DF2591D14) /* 278 */, W64LIT(0x543DDA228595C5CD) /* 279 */, + W64LIT(0x661F81FD99052A33) /* 280 */, W64LIT(0x8736E641DB0F7B76) /* 281 */, + W64LIT(0x15227725418E5307) /* 282 */, W64LIT(0xE25F7F46162EB2FA) /* 283 */, + W64LIT(0x48A8B2126C13D9FE) /* 284 */, W64LIT(0xAFDC541792E76EEA) /* 285 */, + W64LIT(0x03D912BFC6D1898F) /* 286 */, W64LIT(0x31B1AAFA1B83F51B) /* 287 */, + W64LIT(0xF1AC2796E42AB7D9) /* 288 */, W64LIT(0x40A3A7D7FCD2EBAC) /* 289 */, + W64LIT(0x1056136D0AFBBCC5) /* 290 */, W64LIT(0x7889E1DD9A6D0C85) /* 291 */, + W64LIT(0xD33525782A7974AA) /* 292 */, W64LIT(0xA7E25D09078AC09B) /* 293 */, + W64LIT(0xBD4138B3EAC6EDD0) /* 294 */, W64LIT(0x920ABFBE71EB9E70) /* 295 */, + W64LIT(0xA2A5D0F54FC2625C) /* 296 */, W64LIT(0xC054E36B0B1290A3) /* 297 */, + W64LIT(0xF6DD59FF62FE932B) /* 298 */, W64LIT(0x3537354511A8AC7D) /* 299 */, + W64LIT(0xCA845E9172FADCD4) /* 300 */, W64LIT(0x84F82B60329D20DC) /* 301 */, + W64LIT(0x79C62CE1CD672F18) /* 302 */, W64LIT(0x8B09A2ADD124642C) /* 303 */, + W64LIT(0xD0C1E96A19D9E726) /* 304 */, W64LIT(0x5A786A9B4BA9500C) /* 305 */, + W64LIT(0x0E020336634C43F3) /* 306 */, W64LIT(0xC17B474AEB66D822) /* 307 */, + W64LIT(0x6A731AE3EC9BAAC2) /* 308 */, W64LIT(0x8226667AE0840258) /* 309 */, + W64LIT(0x67D4567691CAECA5) /* 310 */, W64LIT(0x1D94155C4875ADB5) /* 311 */, + W64LIT(0x6D00FD985B813FDF) /* 312 */, W64LIT(0x51286EFCB774CD06) /* 313 */, + W64LIT(0x5E8834471FA744AF) /* 314 */, W64LIT(0xF72CA0AEE761AE2E) /* 315 */, + W64LIT(0xBE40E4CDAEE8E09A) /* 316 */, W64LIT(0xE9970BBB5118F665) /* 317 */, + W64LIT(0x726E4BEB33DF1964) /* 318 */, W64LIT(0x703B000729199762) /* 319 */, + W64LIT(0x4631D816F5EF30A7) /* 320 */, W64LIT(0xB880B5B51504A6BE) /* 321 */, + W64LIT(0x641793C37ED84B6C) /* 322 */, W64LIT(0x7B21ED77F6E97D96) /* 323 */, + W64LIT(0x776306312EF96B73) /* 324 */, W64LIT(0xAE528948E86FF3F4) /* 325 */, + W64LIT(0x53DBD7F286A3F8F8) /* 326 */, W64LIT(0x16CADCE74CFC1063) /* 327 */, + W64LIT(0x005C19BDFA52C6DD) /* 328 */, W64LIT(0x68868F5D64D46AD3) /* 329 */, + W64LIT(0x3A9D512CCF1E186A) /* 330 */, W64LIT(0x367E62C2385660AE) /* 331 */, + W64LIT(0xE359E7EA77DCB1D7) /* 332 */, W64LIT(0x526C0773749ABE6E) /* 333 */, + W64LIT(0x735AE5F9D09F734B) /* 334 */, W64LIT(0x493FC7CC8A558BA8) /* 335 */, + W64LIT(0xB0B9C1533041AB45) /* 336 */, W64LIT(0x321958BA470A59BD) /* 337 */, + W64LIT(0x852DB00B5F46C393) /* 338 */, W64LIT(0x91209B2BD336B0E5) /* 339 */, + W64LIT(0x6E604F7D659EF19F) /* 340 */, W64LIT(0xB99A8AE2782CCB24) /* 341 */, + W64LIT(0xCCF52AB6C814C4C7) /* 342 */, W64LIT(0x4727D9AFBE11727B) /* 343 */, + W64LIT(0x7E950D0C0121B34D) /* 344 */, W64LIT(0x756F435670AD471F) /* 345 */, + W64LIT(0xF5ADD442615A6849) /* 346 */, W64LIT(0x4E87E09980B9957A) /* 347 */, + W64LIT(0x2ACFA1DF50AEE355) /* 348 */, W64LIT(0xD898263AFD2FD556) /* 349 */, + W64LIT(0xC8F4924DD80C8FD6) /* 350 */, W64LIT(0xCF99CA3D754A173A) /* 351 */, + W64LIT(0xFE477BACAF91BF3C) /* 352 */, W64LIT(0xED5371F6D690C12D) /* 353 */, + W64LIT(0x831A5C285E687094) /* 354 */, W64LIT(0xC5D3C90A3708A0A4) /* 355 */, + W64LIT(0x0F7F903717D06580) /* 356 */, W64LIT(0x19F9BB13B8FDF27F) /* 357 */, + W64LIT(0xB1BD6F1B4D502843) /* 358 */, W64LIT(0x1C761BA38FFF4012) /* 359 */, + W64LIT(0x0D1530C4E2E21F3B) /* 360 */, W64LIT(0x8943CE69A7372C8A) /* 361 */, + W64LIT(0xE5184E11FEB5CE66) /* 362 */, W64LIT(0x618BDB80BD736621) /* 363 */, + W64LIT(0x7D29BAD68B574D0B) /* 364 */, W64LIT(0x81BB613E25E6FE5B) /* 365 */, + W64LIT(0x071C9C10BC07913F) /* 366 */, W64LIT(0xC7BEEB7909AC2D97) /* 367 */, + W64LIT(0xC3E58D353BC5D757) /* 368 */, W64LIT(0xEB017892F38F61E8) /* 369 */, + W64LIT(0xD4EFFB9C9B1CC21A) /* 370 */, W64LIT(0x99727D26F494F7AB) /* 371 */, + W64LIT(0xA3E063A2956B3E03) /* 372 */, W64LIT(0x9D4A8B9A4AA09C30) /* 373 */, + W64LIT(0x3F6AB7D500090FB4) /* 374 */, W64LIT(0x9CC0F2A057268AC0) /* 375 */, + W64LIT(0x3DEE9D2DEDBF42D1) /* 376 */, W64LIT(0x330F49C87960A972) /* 377 */, + W64LIT(0xC6B2720287421B41) /* 378 */, W64LIT(0x0AC59EC07C00369C) /* 379 */, + W64LIT(0xEF4EAC49CB353425) /* 380 */, W64LIT(0xF450244EEF0129D8) /* 381 */, + W64LIT(0x8ACC46E5CAF4DEB6) /* 382 */, W64LIT(0x2FFEAB63989263F7) /* 383 */, + W64LIT(0x8F7CB9FE5D7A4578) /* 384 */, W64LIT(0x5BD8F7644E634635) /* 385 */, + W64LIT(0x427A7315BF2DC900) /* 386 */, W64LIT(0x17D0C4AA2125261C) /* 387 */, + W64LIT(0x3992486C93518E50) /* 388 */, W64LIT(0xB4CBFEE0A2D7D4C3) /* 389 */, + W64LIT(0x7C75D6202C5DDD8D) /* 390 */, W64LIT(0xDBC295D8E35B6C61) /* 391 */, + W64LIT(0x60B369D302032B19) /* 392 */, W64LIT(0xCE42685FDCE44132) /* 393 */, + W64LIT(0x06F3DDB9DDF65610) /* 394 */, W64LIT(0x8EA4D21DB5E148F0) /* 395 */, + W64LIT(0x20B0FCE62FCD496F) /* 396 */, W64LIT(0x2C1B912358B0EE31) /* 397 */, + W64LIT(0xB28317B818F5A308) /* 398 */, W64LIT(0xA89C1E189CA6D2CF) /* 399 */, + W64LIT(0x0C6B18576AAADBC8) /* 400 */, W64LIT(0xB65DEAA91299FAE3) /* 401 */, + W64LIT(0xFB2B794B7F1027E7) /* 402 */, W64LIT(0x04E4317F443B5BEB) /* 403 */, + W64LIT(0x4B852D325939D0A6) /* 404 */, W64LIT(0xD5AE6BEEFB207FFC) /* 405 */, + W64LIT(0x309682B281C7D374) /* 406 */, W64LIT(0xBAE309A194C3B475) /* 407 */, + W64LIT(0x8CC3F97B13B49F05) /* 408 */, W64LIT(0x98A9422FF8293967) /* 409 */, + W64LIT(0x244B16B01076FF7C) /* 410 */, W64LIT(0xF8BF571C663D67EE) /* 411 */, + W64LIT(0x1F0D6758EEE30DA1) /* 412 */, W64LIT(0xC9B611D97ADEB9B7) /* 413 */, + W64LIT(0xB7AFD5887B6C57A2) /* 414 */, W64LIT(0x6290AE846B984FE1) /* 415 */, + W64LIT(0x94DF4CDEACC1A5FD) /* 416 */, W64LIT(0x058A5BD1C5483AFF) /* 417 */, + W64LIT(0x63166CC142BA3C37) /* 418 */, W64LIT(0x8DB8526EB2F76F40) /* 419 */, + W64LIT(0xE10880036F0D6D4E) /* 420 */, W64LIT(0x9E0523C9971D311D) /* 421 */, + W64LIT(0x45EC2824CC7CD691) /* 422 */, W64LIT(0x575B8359E62382C9) /* 423 */, + W64LIT(0xFA9E400DC4889995) /* 424 */, W64LIT(0xD1823ECB45721568) /* 425 */, + W64LIT(0xDAFD983B8206082F) /* 426 */, W64LIT(0xAA7D29082386A8CB) /* 427 */, + W64LIT(0x269FCD4403B87588) /* 428 */, W64LIT(0x1B91F5F728BDD1E0) /* 429 */, + W64LIT(0xE4669F39040201F6) /* 430 */, W64LIT(0x7A1D7C218CF04ADE) /* 431 */, + W64LIT(0x65623C29D79CE5CE) /* 432 */, W64LIT(0x2368449096C00BB1) /* 433 */, + W64LIT(0xAB9BF1879DA503BA) /* 434 */, W64LIT(0xBC23ECB1A458058E) /* 435 */, + W64LIT(0x9A58DF01BB401ECC) /* 436 */, W64LIT(0xA070E868A85F143D) /* 437 */, + W64LIT(0x4FF188307DF2239E) /* 438 */, W64LIT(0x14D565B41A641183) /* 439 */, + W64LIT(0xEE13337452701602) /* 440 */, W64LIT(0x950E3DCF3F285E09) /* 441 */, + W64LIT(0x59930254B9C80953) /* 442 */, W64LIT(0x3BF299408930DA6D) /* 443 */, + W64LIT(0xA955943F53691387) /* 444 */, W64LIT(0xA15EDECAA9CB8784) /* 445 */, + W64LIT(0x29142127352BE9A0) /* 446 */, W64LIT(0x76F0371FFF4E7AFB) /* 447 */, + W64LIT(0x0239F450274F2228) /* 448 */, W64LIT(0xBB073AF01D5E868B) /* 449 */, + W64LIT(0xBFC80571C10E96C1) /* 450 */, W64LIT(0xD267088568222E23) /* 451 */, + W64LIT(0x9671A3D48E80B5B0) /* 452 */, W64LIT(0x55B5D38AE193BB81) /* 453 */, + W64LIT(0x693AE2D0A18B04B8) /* 454 */, W64LIT(0x5C48B4ECADD5335F) /* 455 */, + W64LIT(0xFD743B194916A1CA) /* 456 */, W64LIT(0x2577018134BE98C4) /* 457 */, + W64LIT(0xE77987E83C54A4AD) /* 458 */, W64LIT(0x28E11014DA33E1B9) /* 459 */, + W64LIT(0x270CC59E226AA213) /* 460 */, W64LIT(0x71495F756D1A5F60) /* 461 */, + W64LIT(0x9BE853FB60AFEF77) /* 462 */, W64LIT(0xADC786A7F7443DBF) /* 463 */, + W64LIT(0x0904456173B29A82) /* 464 */, W64LIT(0x58BC7A66C232BD5E) /* 465 */, + W64LIT(0xF306558C673AC8B2) /* 466 */, W64LIT(0x41F639C6B6C9772A) /* 467 */, + W64LIT(0x216DEFE99FDA35DA) /* 468 */, W64LIT(0x11640CC71C7BE615) /* 469 */, + W64LIT(0x93C43694565C5527) /* 470 */, W64LIT(0xEA038E6246777839) /* 471 */, + W64LIT(0xF9ABF3CE5A3E2469) /* 472 */, W64LIT(0x741E768D0FD312D2) /* 473 */, + W64LIT(0x0144B883CED652C6) /* 474 */, W64LIT(0xC20B5A5BA33F8552) /* 475 */, + W64LIT(0x1AE69633C3435A9D) /* 476 */, W64LIT(0x97A28CA4088CFDEC) /* 477 */, + W64LIT(0x8824A43C1E96F420) /* 478 */, W64LIT(0x37612FA66EEEA746) /* 479 */, + W64LIT(0x6B4CB165F9CF0E5A) /* 480 */, W64LIT(0x43AA1C06A0ABFB4A) /* 481 */, + W64LIT(0x7F4DC26FF162796B) /* 482 */, W64LIT(0x6CBACC8E54ED9B0F) /* 483 */, + W64LIT(0xA6B7FFEFD2BB253E) /* 484 */, W64LIT(0x2E25BC95B0A29D4F) /* 485 */, + W64LIT(0x86D6A58BDEF1388C) /* 486 */, W64LIT(0xDED74AC576B6F054) /* 487 */, + W64LIT(0x8030BDBC2B45805D) /* 488 */, W64LIT(0x3C81AF70E94D9289) /* 489 */, + W64LIT(0x3EFF6DDA9E3100DB) /* 490 */, W64LIT(0xB38DC39FDFCC8847) /* 491 */, + W64LIT(0x123885528D17B87E) /* 492 */, W64LIT(0xF2DA0ED240B1B642) /* 493 */, + W64LIT(0x44CEFADCD54BF9A9) /* 494 */, W64LIT(0x1312200E433C7EE6) /* 495 */, + W64LIT(0x9FFCC84F3A78C748) /* 496 */, W64LIT(0xF0CD1F72248576BB) /* 497 */, + W64LIT(0xEC6974053638CFE4) /* 498 */, W64LIT(0x2BA7B67C0CEC4E4C) /* 499 */, + W64LIT(0xAC2F4DF3E5CE32ED) /* 500 */, W64LIT(0xCB33D14326EA4C11) /* 501 */, + W64LIT(0xA4E9044CC77E58BC) /* 502 */, W64LIT(0x5F513293D934FCEF) /* 503 */, + W64LIT(0x5DC9645506E55444) /* 504 */, W64LIT(0x50DE418F317DE40A) /* 505 */, + W64LIT(0x388CB31A69DDE259) /* 506 */, W64LIT(0x2DB4A83455820A86) /* 507 */, + W64LIT(0x9010A91E84711AE9) /* 508 */, W64LIT(0x4DF7F0B7B1498371) /* 509 */, + W64LIT(0xD62A2EABC0977179) /* 510 */, W64LIT(0x22FAC097AA8D5C0E) /* 511 */, + W64LIT(0xF49FCC2FF1DAF39B) /* 512 */, W64LIT(0x487FD5C66FF29281) /* 513 */, + W64LIT(0xE8A30667FCDCA83F) /* 514 */, W64LIT(0x2C9B4BE3D2FCCE63) /* 515 */, + W64LIT(0xDA3FF74B93FBBBC2) /* 516 */, W64LIT(0x2FA165D2FE70BA66) /* 517 */, + W64LIT(0xA103E279970E93D4) /* 518 */, W64LIT(0xBECDEC77B0E45E71) /* 519 */, + W64LIT(0xCFB41E723985E497) /* 520 */, W64LIT(0xB70AAA025EF75017) /* 521 */, + W64LIT(0xD42309F03840B8E0) /* 522 */, W64LIT(0x8EFC1AD035898579) /* 523 */, + W64LIT(0x96C6920BE2B2ABC5) /* 524 */, W64LIT(0x66AF4163375A9172) /* 525 */, + W64LIT(0x2174ABDCCA7127FB) /* 526 */, W64LIT(0xB33CCEA64A72FF41) /* 527 */, + W64LIT(0xF04A4933083066A5) /* 528 */, W64LIT(0x8D970ACDD7289AF5) /* 529 */, + W64LIT(0x8F96E8E031C8C25E) /* 530 */, W64LIT(0xF3FEC02276875D47) /* 531 */, + W64LIT(0xEC7BF310056190DD) /* 532 */, W64LIT(0xF5ADB0AEBB0F1491) /* 533 */, + W64LIT(0x9B50F8850FD58892) /* 534 */, W64LIT(0x4975488358B74DE8) /* 535 */, + W64LIT(0xA3354FF691531C61) /* 536 */, W64LIT(0x0702BBE481D2C6EE) /* 537 */, + W64LIT(0x89FB24057DEDED98) /* 538 */, W64LIT(0xAC3075138596E902) /* 539 */, + W64LIT(0x1D2D3580172772ED) /* 540 */, W64LIT(0xEB738FC28E6BC30D) /* 541 */, + W64LIT(0x5854EF8F63044326) /* 542 */, W64LIT(0x9E5C52325ADD3BBE) /* 543 */, + W64LIT(0x90AA53CF325C4623) /* 544 */, W64LIT(0xC1D24D51349DD067) /* 545 */, + W64LIT(0x2051CFEEA69EA624) /* 546 */, W64LIT(0x13220F0A862E7E4F) /* 547 */, + W64LIT(0xCE39399404E04864) /* 548 */, W64LIT(0xD9C42CA47086FCB7) /* 549 */, + W64LIT(0x685AD2238A03E7CC) /* 550 */, W64LIT(0x066484B2AB2FF1DB) /* 551 */, + W64LIT(0xFE9D5D70EFBF79EC) /* 552 */, W64LIT(0x5B13B9DD9C481854) /* 553 */, + W64LIT(0x15F0D475ED1509AD) /* 554 */, W64LIT(0x0BEBCD060EC79851) /* 555 */, + W64LIT(0xD58C6791183AB7F8) /* 556 */, W64LIT(0xD1187C5052F3EEE4) /* 557 */, + W64LIT(0xC95D1192E54E82FF) /* 558 */, W64LIT(0x86EEA14CB9AC6CA2) /* 559 */, + W64LIT(0x3485BEB153677D5D) /* 560 */, W64LIT(0xDD191D781F8C492A) /* 561 */, + W64LIT(0xF60866BAA784EBF9) /* 562 */, W64LIT(0x518F643BA2D08C74) /* 563 */, + W64LIT(0x8852E956E1087C22) /* 564 */, W64LIT(0xA768CB8DC410AE8D) /* 565 */, + W64LIT(0x38047726BFEC8E1A) /* 566 */, W64LIT(0xA67738B4CD3B45AA) /* 567 */, + W64LIT(0xAD16691CEC0DDE19) /* 568 */, W64LIT(0xC6D4319380462E07) /* 569 */, + W64LIT(0xC5A5876D0BA61938) /* 570 */, W64LIT(0x16B9FA1FA58FD840) /* 571 */, + W64LIT(0x188AB1173CA74F18) /* 572 */, W64LIT(0xABDA2F98C99C021F) /* 573 */, + W64LIT(0x3E0580AB134AE816) /* 574 */, W64LIT(0x5F3B05B773645ABB) /* 575 */, + W64LIT(0x2501A2BE5575F2F6) /* 576 */, W64LIT(0x1B2F74004E7E8BA9) /* 577 */, + W64LIT(0x1CD7580371E8D953) /* 578 */, W64LIT(0x7F6ED89562764E30) /* 579 */, + W64LIT(0xB15926FF596F003D) /* 580 */, W64LIT(0x9F65293DA8C5D6B9) /* 581 */, + W64LIT(0x6ECEF04DD690F84C) /* 582 */, W64LIT(0x4782275FFF33AF88) /* 583 */, + W64LIT(0xE41433083F820801) /* 584 */, W64LIT(0xFD0DFE409A1AF9B5) /* 585 */, + W64LIT(0x4325A3342CDB396B) /* 586 */, W64LIT(0x8AE77E62B301B252) /* 587 */, + W64LIT(0xC36F9E9F6655615A) /* 588 */, W64LIT(0x85455A2D92D32C09) /* 589 */, + W64LIT(0xF2C7DEA949477485) /* 590 */, W64LIT(0x63CFB4C133A39EBA) /* 591 */, + W64LIT(0x83B040CC6EBC5462) /* 592 */, W64LIT(0x3B9454C8FDB326B0) /* 593 */, + W64LIT(0x56F56A9E87FFD78C) /* 594 */, W64LIT(0x2DC2940D99F42BC6) /* 595 */, + W64LIT(0x98F7DF096B096E2D) /* 596 */, W64LIT(0x19A6E01E3AD852BF) /* 597 */, + W64LIT(0x42A99CCBDBD4B40B) /* 598 */, W64LIT(0xA59998AF45E9C559) /* 599 */, + W64LIT(0x366295E807D93186) /* 600 */, W64LIT(0x6B48181BFAA1F773) /* 601 */, + W64LIT(0x1FEC57E2157A0A1D) /* 602 */, W64LIT(0x4667446AF6201AD5) /* 603 */, + W64LIT(0xE615EBCACFB0F075) /* 604 */, W64LIT(0xB8F31F4F68290778) /* 605 */, + W64LIT(0x22713ED6CE22D11E) /* 606 */, W64LIT(0x3057C1A72EC3C93B) /* 607 */, + W64LIT(0xCB46ACC37C3F1F2F) /* 608 */, W64LIT(0xDBB893FD02AAF50E) /* 609 */, + W64LIT(0x331FD92E600B9FCF) /* 610 */, W64LIT(0xA498F96148EA3AD6) /* 611 */, + W64LIT(0xA8D8426E8B6A83EA) /* 612 */, W64LIT(0xA089B274B7735CDC) /* 613 */, + W64LIT(0x87F6B3731E524A11) /* 614 */, W64LIT(0x118808E5CBC96749) /* 615 */, + W64LIT(0x9906E4C7B19BD394) /* 616 */, W64LIT(0xAFED7F7E9B24A20C) /* 617 */, + W64LIT(0x6509EADEEB3644A7) /* 618 */, W64LIT(0x6C1EF1D3E8EF0EDE) /* 619 */, + W64LIT(0xB9C97D43E9798FB4) /* 620 */, W64LIT(0xA2F2D784740C28A3) /* 621 */, + W64LIT(0x7B8496476197566F) /* 622 */, W64LIT(0x7A5BE3E6B65F069D) /* 623 */, + W64LIT(0xF96330ED78BE6F10) /* 624 */, W64LIT(0xEEE60DE77A076A15) /* 625 */, + W64LIT(0x2B4BEE4AA08B9BD0) /* 626 */, W64LIT(0x6A56A63EC7B8894E) /* 627 */, + W64LIT(0x02121359BA34FEF4) /* 628 */, W64LIT(0x4CBF99F8283703FC) /* 629 */, + W64LIT(0x398071350CAF30C8) /* 630 */, W64LIT(0xD0A77A89F017687A) /* 631 */, + W64LIT(0xF1C1A9EB9E423569) /* 632 */, W64LIT(0x8C7976282DEE8199) /* 633 */, + W64LIT(0x5D1737A5DD1F7ABD) /* 634 */, W64LIT(0x4F53433C09A9FA80) /* 635 */, + W64LIT(0xFA8B0C53DF7CA1D9) /* 636 */, W64LIT(0x3FD9DCBC886CCB77) /* 637 */, + W64LIT(0xC040917CA91B4720) /* 638 */, W64LIT(0x7DD00142F9D1DCDF) /* 639 */, + W64LIT(0x8476FC1D4F387B58) /* 640 */, W64LIT(0x23F8E7C5F3316503) /* 641 */, + W64LIT(0x032A2244E7E37339) /* 642 */, W64LIT(0x5C87A5D750F5A74B) /* 643 */, + W64LIT(0x082B4CC43698992E) /* 644 */, W64LIT(0xDF917BECB858F63C) /* 645 */, + W64LIT(0x3270B8FC5BF86DDA) /* 646 */, W64LIT(0x10AE72BB29B5DD76) /* 647 */, + W64LIT(0x576AC94E7700362B) /* 648 */, W64LIT(0x1AD112DAC61EFB8F) /* 649 */, + W64LIT(0x691BC30EC5FAA427) /* 650 */, W64LIT(0xFF246311CC327143) /* 651 */, + W64LIT(0x3142368E30E53206) /* 652 */, W64LIT(0x71380E31E02CA396) /* 653 */, + W64LIT(0x958D5C960AAD76F1) /* 654 */, W64LIT(0xF8D6F430C16DA536) /* 655 */, + W64LIT(0xC8FFD13F1BE7E1D2) /* 656 */, W64LIT(0x7578AE66004DDBE1) /* 657 */, + W64LIT(0x05833F01067BE646) /* 658 */, W64LIT(0xBB34B5AD3BFE586D) /* 659 */, + W64LIT(0x095F34C9A12B97F0) /* 660 */, W64LIT(0x247AB64525D60CA8) /* 661 */, + W64LIT(0xDCDBC6F3017477D1) /* 662 */, W64LIT(0x4A2E14D4DECAD24D) /* 663 */, + W64LIT(0xBDB5E6D9BE0A1EEB) /* 664 */, W64LIT(0x2A7E70F7794301AB) /* 665 */, + W64LIT(0xDEF42D8A270540FD) /* 666 */, W64LIT(0x01078EC0A34C22C1) /* 667 */, + W64LIT(0xE5DE511AF4C16387) /* 668 */, W64LIT(0x7EBB3A52BD9A330A) /* 669 */, + W64LIT(0x77697857AA7D6435) /* 670 */, W64LIT(0x004E831603AE4C32) /* 671 */, + W64LIT(0xE7A21020AD78E312) /* 672 */, W64LIT(0x9D41A70C6AB420F2) /* 673 */, + W64LIT(0x28E06C18EA1141E6) /* 674 */, W64LIT(0xD2B28CBD984F6B28) /* 675 */, + W64LIT(0x26B75F6C446E9D83) /* 676 */, W64LIT(0xBA47568C4D418D7F) /* 677 */, + W64LIT(0xD80BADBFE6183D8E) /* 678 */, W64LIT(0x0E206D7F5F166044) /* 679 */, + W64LIT(0xE258A43911CBCA3E) /* 680 */, W64LIT(0x723A1746B21DC0BC) /* 681 */, + W64LIT(0xC7CAA854F5D7CDD3) /* 682 */, W64LIT(0x7CAC32883D261D9C) /* 683 */, + W64LIT(0x7690C26423BA942C) /* 684 */, W64LIT(0x17E55524478042B8) /* 685 */, + W64LIT(0xE0BE477656A2389F) /* 686 */, W64LIT(0x4D289B5E67AB2DA0) /* 687 */, + W64LIT(0x44862B9C8FBBFD31) /* 688 */, W64LIT(0xB47CC8049D141365) /* 689 */, + W64LIT(0x822C1B362B91C793) /* 690 */, W64LIT(0x4EB14655FB13DFD8) /* 691 */, + W64LIT(0x1ECBBA0714E2A97B) /* 692 */, W64LIT(0x6143459D5CDE5F14) /* 693 */, + W64LIT(0x53A8FBF1D5F0AC89) /* 694 */, W64LIT(0x97EA04D81C5E5B00) /* 695 */, + W64LIT(0x622181A8D4FDB3F3) /* 696 */, W64LIT(0xE9BCD341572A1208) /* 697 */, + W64LIT(0x1411258643CCE58A) /* 698 */, W64LIT(0x9144C5FEA4C6E0A4) /* 699 */, + W64LIT(0x0D33D06565CF620F) /* 700 */, W64LIT(0x54A48D489F219CA1) /* 701 */, + W64LIT(0xC43E5EAC6D63C821) /* 702 */, W64LIT(0xA9728B3A72770DAF) /* 703 */, + W64LIT(0xD7934E7B20DF87EF) /* 704 */, W64LIT(0xE35503B61A3E86E5) /* 705 */, + W64LIT(0xCAE321FBC819D504) /* 706 */, W64LIT(0x129A50B3AC60BFA6) /* 707 */, + W64LIT(0xCD5E68EA7E9FB6C3) /* 708 */, W64LIT(0xB01C90199483B1C7) /* 709 */, + W64LIT(0x3DE93CD5C295376C) /* 710 */, W64LIT(0xAED52EDF2AB9AD13) /* 711 */, + W64LIT(0x2E60F512C0A07884) /* 712 */, W64LIT(0xBC3D86A3E36210C9) /* 713 */, + W64LIT(0x35269D9B163951CE) /* 714 */, W64LIT(0x0C7D6E2AD0CDB5FA) /* 715 */, + W64LIT(0x59E86297D87F5733) /* 716 */, W64LIT(0x298EF221898DB0E7) /* 717 */, + W64LIT(0x55000029D1A5AA7E) /* 718 */, W64LIT(0x8BC08AE1B5061B45) /* 719 */, + W64LIT(0xC2C31C2B6C92703A) /* 720 */, W64LIT(0x94CC596BAF25EF42) /* 721 */, + W64LIT(0x0A1D73DB22540456) /* 722 */, W64LIT(0x04B6A0F9D9C4179A) /* 723 */, + W64LIT(0xEFFDAFA2AE3D3C60) /* 724 */, W64LIT(0xF7C8075BB49496C4) /* 725 */, + W64LIT(0x9CC5C7141D1CD4E3) /* 726 */, W64LIT(0x78BD1638218E5534) /* 727 */, + W64LIT(0xB2F11568F850246A) /* 728 */, W64LIT(0xEDFABCFA9502BC29) /* 729 */, + W64LIT(0x796CE5F2DA23051B) /* 730 */, W64LIT(0xAAE128B0DC93537C) /* 731 */, + W64LIT(0x3A493DA0EE4B29AE) /* 732 */, W64LIT(0xB5DF6B2C416895D7) /* 733 */, + W64LIT(0xFCABBD25122D7F37) /* 734 */, W64LIT(0x70810B58105DC4B1) /* 735 */, + W64LIT(0xE10FDD37F7882A90) /* 736 */, W64LIT(0x524DCAB5518A3F5C) /* 737 */, + W64LIT(0x3C9E85878451255B) /* 738 */, W64LIT(0x4029828119BD34E2) /* 739 */, + W64LIT(0x74A05B6F5D3CECCB) /* 740 */, W64LIT(0xB610021542E13ECA) /* 741 */, + W64LIT(0x0FF979D12F59E2AC) /* 742 */, W64LIT(0x6037DA27E4F9CC50) /* 743 */, + W64LIT(0x5E92975A0DF1847D) /* 744 */, W64LIT(0xD66DE190D3E623FE) /* 745 */, + W64LIT(0x5032D6B87B568048) /* 746 */, W64LIT(0x9A36B7CE8235216E) /* 747 */, + W64LIT(0x80272A7A24F64B4A) /* 748 */, W64LIT(0x93EFED8B8C6916F7) /* 749 */, + W64LIT(0x37DDBFF44CCE1555) /* 750 */, W64LIT(0x4B95DB5D4B99BD25) /* 751 */, + W64LIT(0x92D3FDA169812FC0) /* 752 */, W64LIT(0xFB1A4A9A90660BB6) /* 753 */, + W64LIT(0x730C196946A4B9B2) /* 754 */, W64LIT(0x81E289AA7F49DA68) /* 755 */, + W64LIT(0x64669A0F83B1A05F) /* 756 */, W64LIT(0x27B3FF7D9644F48B) /* 757 */, + W64LIT(0xCC6B615C8DB675B3) /* 758 */, W64LIT(0x674F20B9BCEBBE95) /* 759 */, + W64LIT(0x6F31238275655982) /* 760 */, W64LIT(0x5AE488713E45CF05) /* 761 */, + W64LIT(0xBF619F9954C21157) /* 762 */, W64LIT(0xEABAC46040A8EAE9) /* 763 */, + W64LIT(0x454C6FE9F2C0C1CD) /* 764 */, W64LIT(0x419CF6496412691C) /* 765 */, + W64LIT(0xD3DC3BEF265B0F70) /* 766 */, W64LIT(0x6D0E60F5C3578A9E) /* 767 */, + W64LIT(0x5B0E608526323C55) /* 768 */, W64LIT(0x1A46C1A9FA1B59F5) /* 769 */, + W64LIT(0xA9E245A17C4C8FFA) /* 770 */, W64LIT(0x65CA5159DB2955D7) /* 771 */, + W64LIT(0x05DB0A76CE35AFC2) /* 772 */, W64LIT(0x81EAC77EA9113D45) /* 773 */, + W64LIT(0x528EF88AB6AC0A0D) /* 774 */, W64LIT(0xA09EA253597BE3FF) /* 775 */, + W64LIT(0x430DDFB3AC48CD56) /* 776 */, W64LIT(0xC4B3A67AF45CE46F) /* 777 */, + W64LIT(0x4ECECFD8FBE2D05E) /* 778 */, W64LIT(0x3EF56F10B39935F0) /* 779 */, + W64LIT(0x0B22D6829CD619C6) /* 780 */, W64LIT(0x17FD460A74DF2069) /* 781 */, + W64LIT(0x6CF8CC8E8510ED40) /* 782 */, W64LIT(0xD6C824BF3A6ECAA7) /* 783 */, + W64LIT(0x61243D581A817049) /* 784 */, W64LIT(0x048BACB6BBC163A2) /* 785 */, + W64LIT(0xD9A38AC27D44CC32) /* 786 */, W64LIT(0x7FDDFF5BAAF410AB) /* 787 */, + W64LIT(0xAD6D495AA804824B) /* 788 */, W64LIT(0xE1A6A74F2D8C9F94) /* 789 */, + W64LIT(0xD4F7851235DEE8E3) /* 790 */, W64LIT(0xFD4B7F886540D893) /* 791 */, + W64LIT(0x247C20042AA4BFDA) /* 792 */, W64LIT(0x096EA1C517D1327C) /* 793 */, + W64LIT(0xD56966B4361A6685) /* 794 */, W64LIT(0x277DA5C31221057D) /* 795 */, + W64LIT(0x94D59893A43ACFF7) /* 796 */, W64LIT(0x64F0C51CCDC02281) /* 797 */, + W64LIT(0x3D33BCC4FF6189DB) /* 798 */, W64LIT(0xE005CB184CE66AF1) /* 799 */, + W64LIT(0xFF5CCD1D1DB99BEA) /* 800 */, W64LIT(0xB0B854A7FE42980F) /* 801 */, + W64LIT(0x7BD46A6A718D4B9F) /* 802 */, W64LIT(0xD10FA8CC22A5FD8C) /* 803 */, + W64LIT(0xD31484952BE4BD31) /* 804 */, W64LIT(0xC7FA975FCB243847) /* 805 */, + W64LIT(0x4886ED1E5846C407) /* 806 */, W64LIT(0x28CDDB791EB70B04) /* 807 */, + W64LIT(0xC2B00BE2F573417F) /* 808 */, W64LIT(0x5C9590452180F877) /* 809 */, + W64LIT(0x7A6BDDFFF370EB00) /* 810 */, W64LIT(0xCE509E38D6D9D6A4) /* 811 */, + W64LIT(0xEBEB0F00647FA702) /* 812 */, W64LIT(0x1DCC06CF76606F06) /* 813 */, + W64LIT(0xE4D9F28BA286FF0A) /* 814 */, W64LIT(0xD85A305DC918C262) /* 815 */, + W64LIT(0x475B1D8732225F54) /* 816 */, W64LIT(0x2D4FB51668CCB5FE) /* 817 */, + W64LIT(0xA679B9D9D72BBA20) /* 818 */, W64LIT(0x53841C0D912D43A5) /* 819 */, + W64LIT(0x3B7EAA48BF12A4E8) /* 820 */, W64LIT(0x781E0E47F22F1DDF) /* 821 */, + W64LIT(0xEFF20CE60AB50973) /* 822 */, W64LIT(0x20D261D19DFFB742) /* 823 */, + W64LIT(0x16A12B03062A2E39) /* 824 */, W64LIT(0x1960EB2239650495) /* 825 */, + W64LIT(0x251C16FED50EB8B8) /* 826 */, W64LIT(0x9AC0C330F826016E) /* 827 */, + W64LIT(0xED152665953E7671) /* 828 */, W64LIT(0x02D63194A6369570) /* 829 */, + W64LIT(0x5074F08394B1C987) /* 830 */, W64LIT(0x70BA598C90B25CE1) /* 831 */, + W64LIT(0x794A15810B9742F6) /* 832 */, W64LIT(0x0D5925E9FCAF8C6C) /* 833 */, + W64LIT(0x3067716CD868744E) /* 834 */, W64LIT(0x910AB077E8D7731B) /* 835 */, + W64LIT(0x6A61BBDB5AC42F61) /* 836 */, W64LIT(0x93513EFBF0851567) /* 837 */, + W64LIT(0xF494724B9E83E9D5) /* 838 */, W64LIT(0xE887E1985C09648D) /* 839 */, + W64LIT(0x34B1D3C675370CFD) /* 840 */, W64LIT(0xDC35E433BC0D255D) /* 841 */, + W64LIT(0xD0AAB84234131BE0) /* 842 */, W64LIT(0x08042A50B48B7EAF) /* 843 */, + W64LIT(0x9997C4EE44A3AB35) /* 844 */, W64LIT(0x829A7B49201799D0) /* 845 */, + W64LIT(0x263B8307B7C54441) /* 846 */, W64LIT(0x752F95F4FD6A6CA6) /* 847 */, + W64LIT(0x927217402C08C6E5) /* 848 */, W64LIT(0x2A8AB754A795D9EE) /* 849 */, + W64LIT(0xA442F7552F72943D) /* 850 */, W64LIT(0x2C31334E19781208) /* 851 */, + W64LIT(0x4FA98D7CEAEE6291) /* 852 */, W64LIT(0x55C3862F665DB309) /* 853 */, + W64LIT(0xBD0610175D53B1F3) /* 854 */, W64LIT(0x46FE6CB840413F27) /* 855 */, + W64LIT(0x3FE03792DF0CFA59) /* 856 */, W64LIT(0xCFE700372EB85E8F) /* 857 */, + W64LIT(0xA7BE29E7ADBCE118) /* 858 */, W64LIT(0xE544EE5CDE8431DD) /* 859 */, + W64LIT(0x8A781B1B41F1873E) /* 860 */, W64LIT(0xA5C94C78A0D2F0E7) /* 861 */, + W64LIT(0x39412E2877B60728) /* 862 */, W64LIT(0xA1265EF3AFC9A62C) /* 863 */, + W64LIT(0xBCC2770C6A2506C5) /* 864 */, W64LIT(0x3AB66DD5DCE1CE12) /* 865 */, + W64LIT(0xE65499D04A675B37) /* 866 */, W64LIT(0x7D8F523481BFD216) /* 867 */, + W64LIT(0x0F6F64FCEC15F389) /* 868 */, W64LIT(0x74EFBE618B5B13C8) /* 869 */, + W64LIT(0xACDC82B714273E1D) /* 870 */, W64LIT(0xDD40BFE003199D17) /* 871 */, + W64LIT(0x37E99257E7E061F8) /* 872 */, W64LIT(0xFA52626904775AAA) /* 873 */, + W64LIT(0x8BBBF63A463D56F9) /* 874 */, W64LIT(0xF0013F1543A26E64) /* 875 */, + W64LIT(0xA8307E9F879EC898) /* 876 */, W64LIT(0xCC4C27A4150177CC) /* 877 */, + W64LIT(0x1B432F2CCA1D3348) /* 878 */, W64LIT(0xDE1D1F8F9F6FA013) /* 879 */, + W64LIT(0x606602A047A7DDD6) /* 880 */, W64LIT(0xD237AB64CC1CB2C7) /* 881 */, + W64LIT(0x9B938E7225FCD1D3) /* 882 */, W64LIT(0xEC4E03708E0FF476) /* 883 */, + W64LIT(0xFEB2FBDA3D03C12D) /* 884 */, W64LIT(0xAE0BCED2EE43889A) /* 885 */, + W64LIT(0x22CB8923EBFB4F43) /* 886 */, W64LIT(0x69360D013CF7396D) /* 887 */, + W64LIT(0x855E3602D2D4E022) /* 888 */, W64LIT(0x073805BAD01F784C) /* 889 */, + W64LIT(0x33E17A133852F546) /* 890 */, W64LIT(0xDF4874058AC7B638) /* 891 */, + W64LIT(0xBA92B29C678AA14A) /* 892 */, W64LIT(0x0CE89FC76CFAADCD) /* 893 */, + W64LIT(0x5F9D4E0908339E34) /* 894 */, W64LIT(0xF1AFE9291F5923B9) /* 895 */, + W64LIT(0x6E3480F60F4A265F) /* 896 */, W64LIT(0xEEBF3A2AB29B841C) /* 897 */, + W64LIT(0xE21938A88F91B4AD) /* 898 */, W64LIT(0x57DFEFF845C6D3C3) /* 899 */, + W64LIT(0x2F006B0BF62CAAF2) /* 900 */, W64LIT(0x62F479EF6F75EE78) /* 901 */, + W64LIT(0x11A55AD41C8916A9) /* 902 */, W64LIT(0xF229D29084FED453) /* 903 */, + W64LIT(0x42F1C27B16B000E6) /* 904 */, W64LIT(0x2B1F76749823C074) /* 905 */, + W64LIT(0x4B76ECA3C2745360) /* 906 */, W64LIT(0x8C98F463B91691BD) /* 907 */, + W64LIT(0x14BCC93CF1ADE66A) /* 908 */, W64LIT(0x8885213E6D458397) /* 909 */, + W64LIT(0x8E177DF0274D4711) /* 910 */, W64LIT(0xB49B73B5503F2951) /* 911 */, + W64LIT(0x10168168C3F96B6B) /* 912 */, W64LIT(0x0E3D963B63CAB0AE) /* 913 */, + W64LIT(0x8DFC4B5655A1DB14) /* 914 */, W64LIT(0xF789F1356E14DE5C) /* 915 */, + W64LIT(0x683E68AF4E51DAC1) /* 916 */, W64LIT(0xC9A84F9D8D4B0FD9) /* 917 */, + W64LIT(0x3691E03F52A0F9D1) /* 918 */, W64LIT(0x5ED86E46E1878E80) /* 919 */, + W64LIT(0x3C711A0E99D07150) /* 920 */, W64LIT(0x5A0865B20C4E9310) /* 921 */, + W64LIT(0x56FBFC1FE4F0682E) /* 922 */, W64LIT(0xEA8D5DE3105EDF9B) /* 923 */, + W64LIT(0x71ABFDB12379187A) /* 924 */, W64LIT(0x2EB99DE1BEE77B9C) /* 925 */, + W64LIT(0x21ECC0EA33CF4523) /* 926 */, W64LIT(0x59A4D7521805C7A1) /* 927 */, + W64LIT(0x3896F5EB56AE7C72) /* 928 */, W64LIT(0xAA638F3DB18F75DC) /* 929 */, + W64LIT(0x9F39358DABE9808E) /* 930 */, W64LIT(0xB7DEFA91C00B72AC) /* 931 */, + W64LIT(0x6B5541FD62492D92) /* 932 */, W64LIT(0x6DC6DEE8F92E4D5B) /* 933 */, + W64LIT(0x353F57ABC4BEEA7E) /* 934 */, W64LIT(0x735769D6DA5690CE) /* 935 */, + W64LIT(0x0A234AA642391484) /* 936 */, W64LIT(0xF6F9508028F80D9D) /* 937 */, + W64LIT(0xB8E319A27AB3F215) /* 938 */, W64LIT(0x31AD9C1151341A4D) /* 939 */, + W64LIT(0x773C22A57BEF5805) /* 940 */, W64LIT(0x45C7561A07968633) /* 941 */, + W64LIT(0xF913DA9E249DBE36) /* 942 */, W64LIT(0xDA652D9B78A64C68) /* 943 */, + W64LIT(0x4C27A97F3BC334EF) /* 944 */, W64LIT(0x76621220E66B17F4) /* 945 */, + W64LIT(0x967743899ACD7D0B) /* 946 */, W64LIT(0xF3EE5BCAE0ED6782) /* 947 */, + W64LIT(0x409F753600C879FC) /* 948 */, W64LIT(0x06D09A39B5926DB6) /* 949 */, + W64LIT(0x6F83AEB0317AC588) /* 950 */, W64LIT(0x01E6CA4A86381F21) /* 951 */, + W64LIT(0x66FF3462D19F3025) /* 952 */, W64LIT(0x72207C24DDFD3BFB) /* 953 */, + W64LIT(0x4AF6B6D3E2ECE2EB) /* 954 */, W64LIT(0x9C994DBEC7EA08DE) /* 955 */, + W64LIT(0x49ACE597B09A8BC4) /* 956 */, W64LIT(0xB38C4766CF0797BA) /* 957 */, + W64LIT(0x131B9373C57C2A75) /* 958 */, W64LIT(0xB1822CCE61931E58) /* 959 */, + W64LIT(0x9D7555B909BA1C0C) /* 960 */, W64LIT(0x127FAFDD937D11D2) /* 961 */, + W64LIT(0x29DA3BADC66D92E4) /* 962 */, W64LIT(0xA2C1D57154C2ECBC) /* 963 */, + W64LIT(0x58C5134D82F6FE24) /* 964 */, W64LIT(0x1C3AE3515B62274F) /* 965 */, + W64LIT(0xE907C82E01CB8126) /* 966 */, W64LIT(0xF8ED091913E37FCB) /* 967 */, + W64LIT(0x3249D8F9C80046C9) /* 968 */, W64LIT(0x80CF9BEDE388FB63) /* 969 */, + W64LIT(0x1881539A116CF19E) /* 970 */, W64LIT(0x5103F3F76BD52457) /* 971 */, + W64LIT(0x15B7E6F5AE47F7A8) /* 972 */, W64LIT(0xDBD7C6DED47E9CCF) /* 973 */, + W64LIT(0x44E55C410228BB1A) /* 974 */, W64LIT(0xB647D4255EDB4E99) /* 975 */, + W64LIT(0x5D11882BB8AAFC30) /* 976 */, W64LIT(0xF5098BBB29D3212A) /* 977 */, + W64LIT(0x8FB5EA14E90296B3) /* 978 */, W64LIT(0x677B942157DD025A) /* 979 */, + W64LIT(0xFB58E7C0A390ACB5) /* 980 */, W64LIT(0x89D3674C83BD4A01) /* 981 */, + W64LIT(0x9E2DA4DF4BF3B93B) /* 982 */, W64LIT(0xFCC41E328CAB4829) /* 983 */, + W64LIT(0x03F38C96BA582C52) /* 984 */, W64LIT(0xCAD1BDBD7FD85DB2) /* 985 */, + W64LIT(0xBBB442C16082AE83) /* 986 */, W64LIT(0xB95FE86BA5DA9AB0) /* 987 */, + W64LIT(0xB22E04673771A93F) /* 988 */, W64LIT(0x845358C9493152D8) /* 989 */, + W64LIT(0xBE2A488697B4541E) /* 990 */, W64LIT(0x95A2DC2DD38E6966) /* 991 */, + W64LIT(0xC02C11AC923C852B) /* 992 */, W64LIT(0x2388B1990DF2A87B) /* 993 */, + W64LIT(0x7C8008FA1B4F37BE) /* 994 */, W64LIT(0x1F70D0C84D54E503) /* 995 */, + W64LIT(0x5490ADEC7ECE57D4) /* 996 */, W64LIT(0x002B3C27D9063A3A) /* 997 */, + W64LIT(0x7EAEA3848030A2BF) /* 998 */, W64LIT(0xC602326DED2003C0) /* 999 */, + W64LIT(0x83A7287D69A94086) /* 1000 */, W64LIT(0xC57A5FCB30F57A8A) /* 1001 */, + W64LIT(0xB56844E479EBE779) /* 1002 */, W64LIT(0xA373B40F05DCBCE9) /* 1003 */, + W64LIT(0xD71A786E88570EE2) /* 1004 */, W64LIT(0x879CBACDBDE8F6A0) /* 1005 */, + W64LIT(0x976AD1BCC164A32F) /* 1006 */, W64LIT(0xAB21E25E9666D78B) /* 1007 */, + W64LIT(0x901063AAE5E5C33C) /* 1008 */, W64LIT(0x9818B34448698D90) /* 1009 */, + W64LIT(0xE36487AE3E1E8ABB) /* 1010 */, W64LIT(0xAFBDF931893BDCB4) /* 1011 */, + W64LIT(0x6345A0DC5FBBD519) /* 1012 */, W64LIT(0x8628FE269B9465CA) /* 1013 */, + W64LIT(0x1E5D01603F9C51EC) /* 1014 */, W64LIT(0x4DE44006A15049B7) /* 1015 */, + W64LIT(0xBF6C70E5F776CBB1) /* 1016 */, W64LIT(0x411218F2EF552BED) /* 1017 */, + W64LIT(0xCB0C0708705A36A3) /* 1018 */, W64LIT(0xE74D14754F986044) /* 1019 */, + W64LIT(0xCD56D9430EA8280E) /* 1020 */, W64LIT(0xC12591D7535F5065) /* 1021 */, + W64LIT(0xC83223F1720AEF96) /* 1022 */, W64LIT(0xC3A0396F7363A51F) /* 1023 */, + W64LIT(0xffffffffffffffff), + W64LIT(0xA5A5A5A5A5A5A5A5), + W64LIT(0x0123456789ABCDEF), +}; + +NAMESPACE_END diff --git a/CryptoPP/trdlocal.cpp b/CryptoPP/trdlocal.cpp new file mode 100644 index 000000000..6d6b822c0 --- /dev/null +++ b/CryptoPP/trdlocal.cpp @@ -0,0 +1,73 @@ +// trdlocal.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" + +#ifndef CRYPTOPP_IMPORTS +#ifdef THREADS_AVAILABLE + +#include "trdlocal.h" + +#ifdef HAS_WINTHREADS +#include <windows.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +ThreadLocalStorage::Err::Err(const std::string& operation, int error) + : OS_Error(OTHER_ERROR, "ThreadLocalStorage: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error) +{ +} + +ThreadLocalStorage::ThreadLocalStorage() +{ +#ifdef HAS_WINTHREADS + m_index = TlsAlloc(); + if (m_index == TLS_OUT_OF_INDEXES) + throw Err("TlsAlloc", GetLastError()); +#else + int error = pthread_key_create(&m_index, NULL); + if (error) + throw Err("pthread_key_create", error); +#endif +} + +ThreadLocalStorage::~ThreadLocalStorage() +{ +#ifdef HAS_WINTHREADS + if (!TlsFree(m_index)) + throw Err("TlsFree", GetLastError()); +#else + int error = pthread_key_delete(m_index); + if (error) + throw Err("pthread_key_delete", error); +#endif +} + +void ThreadLocalStorage::SetValue(void *value) +{ +#ifdef HAS_WINTHREADS + if (!TlsSetValue(m_index, value)) + throw Err("TlsSetValue", GetLastError()); +#else + int error = pthread_setspecific(m_index, value); + if (error) + throw Err("pthread_key_getspecific", error); +#endif +} + +void *ThreadLocalStorage::GetValue() const +{ +#ifdef HAS_WINTHREADS + void *result = TlsGetValue(m_index); + if (!result && GetLastError() != NO_ERROR) + throw Err("TlsGetValue", GetLastError()); +#else + void *result = pthread_getspecific(m_index); +#endif + return result; +} + +NAMESPACE_END + +#endif // #ifdef THREADS_AVAILABLE +#endif diff --git a/CryptoPP/trdlocal.h b/CryptoPP/trdlocal.h new file mode 100644 index 000000000..92d244a0a --- /dev/null +++ b/CryptoPP/trdlocal.h @@ -0,0 +1,44 @@ +#ifndef CRYPTOPP_TRDLOCAL_H +#define CRYPTOPP_TRDLOCAL_H + +#include "config.h" + +#ifdef THREADS_AVAILABLE + +#include "misc.h" + +#ifdef HAS_WINTHREADS +typedef unsigned long ThreadLocalIndexType; +#else +#include <pthread.h> +typedef pthread_key_t ThreadLocalIndexType; +#endif + +NAMESPACE_BEGIN(CryptoPP) + +//! thread local storage +class CRYPTOPP_DLL ThreadLocalStorage : public NotCopyable +{ +public: + //! exception thrown by ThreadLocalStorage class + class Err : public OS_Error + { + public: + Err(const std::string& operation, int error); + }; + + ThreadLocalStorage(); + ~ThreadLocalStorage(); + + void SetValue(void *value); + void *GetValue() const; + +private: + ThreadLocalIndexType m_index; +}; + +NAMESPACE_END + +#endif // #ifdef THREADS_AVAILABLE + +#endif diff --git a/CryptoPP/trunhash.h b/CryptoPP/trunhash.h new file mode 100644 index 000000000..c1c4e9b64 --- /dev/null +++ b/CryptoPP/trunhash.h @@ -0,0 +1,48 @@ +#ifndef CRYPTOPP_TRUNHASH_H +#define CRYPTOPP_TRUNHASH_H + +#include "cryptlib.h" + +NAMESPACE_BEGIN(CryptoPP) + +class NullHash : public HashTransformation +{ +public: + void Update(const byte *input, size_t length) {} + unsigned int DigestSize() const {return 0;} + void TruncatedFinal(byte *digest, size_t digestSize) {} + bool TruncatedVerify(const byte *digest, size_t digestLength) {return true;} +}; + +//! construct new HashModule with smaller DigestSize() from existing one +template <class T> +class TruncatedHashTemplate : public HashTransformation +{ +public: + TruncatedHashTemplate(T hm, unsigned int digestSize) + : m_hm(hm), m_digestSize(digestSize) {} + TruncatedHashTemplate(const byte *key, size_t keyLength, unsigned int digestSize) + : m_hm(key, keyLength), m_digestSize(digestSize) {} + TruncatedHashTemplate(size_t digestSize) + : m_digestSize(digestSize) {} + + void Restart() + {m_hm.Restart();} + void Update(const byte *input, size_t length) + {m_hm.Update(input, length);} + unsigned int DigestSize() const {return m_digestSize;} + void TruncatedFinal(byte *digest, size_t digestSize) + {m_hm.TruncatedFinal(digest, digestSize);} + bool TruncatedVerify(const byte *digest, size_t digestLength) + {return m_hm.TruncatedVerify(digest, digestLength);} + +private: + T m_hm; + unsigned int m_digestSize; +}; + +typedef TruncatedHashTemplate<HashTransformation &> TruncatedHashModule; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/ttmac.cpp b/CryptoPP/ttmac.cpp new file mode 100644 index 000000000..d4ff38104 --- /dev/null +++ b/CryptoPP/ttmac.cpp @@ -0,0 +1,338 @@ +// ttmac.cpp - written and placed in the public domain by Kevin Springle + +#include "pch.h" +#include "ttmac.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +void TTMAC_Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + memcpy(m_key, userKey, KEYLENGTH); + CorrectEndianess(m_key, m_key, KEYLENGTH); + + Init(); +} + +void TTMAC_Base::Init() +{ + m_digest[0] = m_digest[5] = m_key[0]; + m_digest[1] = m_digest[6] = m_key[1]; + m_digest[2] = m_digest[7] = m_key[2]; + m_digest[3] = m_digest[8] = m_key[3]; + m_digest[4] = m_digest[9] = m_key[4]; +} + +void TTMAC_Base::TruncatedFinal(byte *hash, size_t size) +{ + PadLastBlock(BlockSize() - 2*sizeof(HashWordType)); + CorrectEndianess(m_data, m_data, BlockSize() - 2*sizeof(HashWordType)); + + m_data[m_data.size()-2] = GetBitCountLo(); + m_data[m_data.size()-1] = GetBitCountHi(); + + Transform(m_digest, m_data, true); + + word32 t2 = m_digest[2]; + word32 t3 = m_digest[3]; + if (size != DIGESTSIZE) + { + switch (size) + { + case 16: + m_digest[3] += m_digest[1] + m_digest[4]; + + case 12: + m_digest[2] += m_digest[0] + t3; + + case 8: + m_digest[0] += m_digest[1] + t3; + m_digest[1] += m_digest[4] + t2; + break; + + case 4: + m_digest[0] += + m_digest[1] + + m_digest[2] + + m_digest[3] + + m_digest[4]; + break; + + case 0: + // Used by HashTransformation::Restart() + break; + + default: + throw InvalidArgument("TTMAC_Base: can't truncate a Two-Track-MAC 20 byte digest to " + IntToString(size) + " bytes"); + break; + } + } + + CorrectEndianess(m_digest, m_digest, size); + memcpy(hash, m_digest, size); + + Restart(); // reinit for next use +} + +// RIPEMD-160 definitions used by Two-Track-MAC + +#define F(x, y, z) (x ^ y ^ z) +#define G(x, y, z) (z ^ (x & (y^z))) +#define H(x, y, z) (z ^ (x | ~y)) +#define I(x, y, z) (y ^ (z & (x^y))) +#define J(x, y, z) (x ^ (y | ~z)) + +#define k0 0 +#define k1 0x5a827999UL +#define k2 0x6ed9eba1UL +#define k3 0x8f1bbcdcUL +#define k4 0xa953fd4eUL +#define k5 0x50a28be6UL +#define k6 0x5c4dd124UL +#define k7 0x6d703ef3UL +#define k8 0x7a6d76e9UL +#define k9 0 + +void TTMAC_Base::Transform(word32 *digest, const word32 *X, bool last) +{ +#define Subround(f, a, b, c, d, e, x, s, k) \ + a += f(b, c, d) + x + k;\ + a = rotlFixed((word32)a, s) + e;\ + c = rotlFixed((word32)c, 10U) + + word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2; + word32 *trackA, *trackB; + + if (!last) + { + trackA = digest; + trackB = digest+5; + } + else + { + trackB = digest; + trackA = digest+5; + } + a1 = trackA[0]; + b1 = trackA[1]; + c1 = trackA[2]; + d1 = trackA[3]; + e1 = trackA[4]; + a2 = trackB[0]; + b2 = trackB[1]; + c2 = trackB[2]; + d2 = trackB[3]; + e2 = trackB[4]; + + Subround(F, a1, b1, c1, d1, e1, X[ 0], 11, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 1], 14, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 2], 15, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 3], 12, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 4], 5, k0); + Subround(F, a1, b1, c1, d1, e1, X[ 5], 8, k0); + Subround(F, e1, a1, b1, c1, d1, X[ 6], 7, k0); + Subround(F, d1, e1, a1, b1, c1, X[ 7], 9, k0); + Subround(F, c1, d1, e1, a1, b1, X[ 8], 11, k0); + Subround(F, b1, c1, d1, e1, a1, X[ 9], 13, k0); + Subround(F, a1, b1, c1, d1, e1, X[10], 14, k0); + Subround(F, e1, a1, b1, c1, d1, X[11], 15, k0); + Subround(F, d1, e1, a1, b1, c1, X[12], 6, k0); + Subround(F, c1, d1, e1, a1, b1, X[13], 7, k0); + Subround(F, b1, c1, d1, e1, a1, X[14], 9, k0); + Subround(F, a1, b1, c1, d1, e1, X[15], 8, k0); + + Subround(G, e1, a1, b1, c1, d1, X[ 7], 7, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 4], 6, k1); + Subround(G, c1, d1, e1, a1, b1, X[13], 8, k1); + Subround(G, b1, c1, d1, e1, a1, X[ 1], 13, k1); + Subround(G, a1, b1, c1, d1, e1, X[10], 11, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 6], 9, k1); + Subround(G, d1, e1, a1, b1, c1, X[15], 7, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 3], 15, k1); + Subround(G, b1, c1, d1, e1, a1, X[12], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[ 0], 12, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 9], 15, k1); + Subround(G, d1, e1, a1, b1, c1, X[ 5], 9, k1); + Subround(G, c1, d1, e1, a1, b1, X[ 2], 11, k1); + Subround(G, b1, c1, d1, e1, a1, X[14], 7, k1); + Subround(G, a1, b1, c1, d1, e1, X[11], 13, k1); + Subround(G, e1, a1, b1, c1, d1, X[ 8], 12, k1); + + Subround(H, d1, e1, a1, b1, c1, X[ 3], 11, k2); + Subround(H, c1, d1, e1, a1, b1, X[10], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[14], 6, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 4], 7, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 9], 14, k2); + Subround(H, d1, e1, a1, b1, c1, X[15], 9, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 8], 13, k2); + Subround(H, b1, c1, d1, e1, a1, X[ 1], 15, k2); + Subround(H, a1, b1, c1, d1, e1, X[ 2], 14, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 7], 8, k2); + Subround(H, d1, e1, a1, b1, c1, X[ 0], 13, k2); + Subround(H, c1, d1, e1, a1, b1, X[ 6], 6, k2); + Subround(H, b1, c1, d1, e1, a1, X[13], 5, k2); + Subround(H, a1, b1, c1, d1, e1, X[11], 12, k2); + Subround(H, e1, a1, b1, c1, d1, X[ 5], 7, k2); + Subround(H, d1, e1, a1, b1, c1, X[12], 5, k2); + + Subround(I, c1, d1, e1, a1, b1, X[ 1], 11, k3); + Subround(I, b1, c1, d1, e1, a1, X[ 9], 12, k3); + Subround(I, a1, b1, c1, d1, e1, X[11], 14, k3); + Subround(I, e1, a1, b1, c1, d1, X[10], 15, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 0], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 8], 15, k3); + Subround(I, b1, c1, d1, e1, a1, X[12], 9, k3); + Subround(I, a1, b1, c1, d1, e1, X[ 4], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[13], 9, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 3], 14, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 7], 5, k3); + Subround(I, b1, c1, d1, e1, a1, X[15], 6, k3); + Subround(I, a1, b1, c1, d1, e1, X[14], 8, k3); + Subround(I, e1, a1, b1, c1, d1, X[ 5], 6, k3); + Subround(I, d1, e1, a1, b1, c1, X[ 6], 5, k3); + Subround(I, c1, d1, e1, a1, b1, X[ 2], 12, k3); + + Subround(J, b1, c1, d1, e1, a1, X[ 4], 9, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 0], 15, k4); + Subround(J, e1, a1, b1, c1, d1, X[ 5], 5, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 9], 11, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 7], 6, k4); + Subround(J, b1, c1, d1, e1, a1, X[12], 8, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 2], 13, k4); + Subround(J, e1, a1, b1, c1, d1, X[10], 12, k4); + Subround(J, d1, e1, a1, b1, c1, X[14], 5, k4); + Subround(J, c1, d1, e1, a1, b1, X[ 1], 12, k4); + Subround(J, b1, c1, d1, e1, a1, X[ 3], 13, k4); + Subround(J, a1, b1, c1, d1, e1, X[ 8], 14, k4); + Subround(J, e1, a1, b1, c1, d1, X[11], 11, k4); + Subround(J, d1, e1, a1, b1, c1, X[ 6], 8, k4); + Subround(J, c1, d1, e1, a1, b1, X[15], 5, k4); + Subround(J, b1, c1, d1, e1, a1, X[13], 6, k4); + + Subround(J, a2, b2, c2, d2, e2, X[ 5], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[14], 9, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 7], 9, k5); + Subround(J, c2, d2, e2, a2, b2, X[ 0], 11, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 9], 13, k5); + Subround(J, a2, b2, c2, d2, e2, X[ 2], 15, k5); + Subround(J, e2, a2, b2, c2, d2, X[11], 15, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 4], 5, k5); + Subround(J, c2, d2, e2, a2, b2, X[13], 7, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 6], 7, k5); + Subround(J, a2, b2, c2, d2, e2, X[15], 8, k5); + Subround(J, e2, a2, b2, c2, d2, X[ 8], 11, k5); + Subround(J, d2, e2, a2, b2, c2, X[ 1], 14, k5); + Subround(J, c2, d2, e2, a2, b2, X[10], 14, k5); + Subround(J, b2, c2, d2, e2, a2, X[ 3], 12, k5); + Subround(J, a2, b2, c2, d2, e2, X[12], 6, k5); + + Subround(I, e2, a2, b2, c2, d2, X[ 6], 9, k6); + Subround(I, d2, e2, a2, b2, c2, X[11], 13, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 3], 15, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 7], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 0], 12, k6); + Subround(I, e2, a2, b2, c2, d2, X[13], 8, k6); + Subround(I, d2, e2, a2, b2, c2, X[ 5], 9, k6); + Subround(I, c2, d2, e2, a2, b2, X[10], 11, k6); + Subround(I, b2, c2, d2, e2, a2, X[14], 7, k6); + Subround(I, a2, b2, c2, d2, e2, X[15], 7, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 8], 12, k6); + Subround(I, d2, e2, a2, b2, c2, X[12], 7, k6); + Subround(I, c2, d2, e2, a2, b2, X[ 4], 6, k6); + Subround(I, b2, c2, d2, e2, a2, X[ 9], 15, k6); + Subround(I, a2, b2, c2, d2, e2, X[ 1], 13, k6); + Subround(I, e2, a2, b2, c2, d2, X[ 2], 11, k6); + + Subround(H, d2, e2, a2, b2, c2, X[15], 9, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 5], 7, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 1], 15, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 3], 11, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 7], 8, k7); + Subround(H, d2, e2, a2, b2, c2, X[14], 6, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 6], 6, k7); + Subround(H, b2, c2, d2, e2, a2, X[ 9], 14, k7); + Subround(H, a2, b2, c2, d2, e2, X[11], 12, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 8], 13, k7); + Subround(H, d2, e2, a2, b2, c2, X[12], 5, k7); + Subround(H, c2, d2, e2, a2, b2, X[ 2], 14, k7); + Subround(H, b2, c2, d2, e2, a2, X[10], 13, k7); + Subround(H, a2, b2, c2, d2, e2, X[ 0], 13, k7); + Subround(H, e2, a2, b2, c2, d2, X[ 4], 7, k7); + Subround(H, d2, e2, a2, b2, c2, X[13], 5, k7); + + Subround(G, c2, d2, e2, a2, b2, X[ 8], 15, k8); + Subround(G, b2, c2, d2, e2, a2, X[ 6], 5, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 4], 8, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 1], 11, k8); + Subround(G, d2, e2, a2, b2, c2, X[ 3], 14, k8); + Subround(G, c2, d2, e2, a2, b2, X[11], 14, k8); + Subround(G, b2, c2, d2, e2, a2, X[15], 6, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 0], 14, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 5], 6, k8); + Subround(G, d2, e2, a2, b2, c2, X[12], 9, k8); + Subround(G, c2, d2, e2, a2, b2, X[ 2], 12, k8); + Subround(G, b2, c2, d2, e2, a2, X[13], 9, k8); + Subround(G, a2, b2, c2, d2, e2, X[ 9], 12, k8); + Subround(G, e2, a2, b2, c2, d2, X[ 7], 5, k8); + Subround(G, d2, e2, a2, b2, c2, X[10], 15, k8); + Subround(G, c2, d2, e2, a2, b2, X[14], 8, k8); + + Subround(F, b2, c2, d2, e2, a2, X[12], 8, k9); + Subround(F, a2, b2, c2, d2, e2, X[15], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[10], 12, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 4], 9, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 1], 12, k9); + Subround(F, b2, c2, d2, e2, a2, X[ 5], 5, k9); + Subround(F, a2, b2, c2, d2, e2, X[ 8], 14, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 7], 6, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 6], 8, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 2], 13, k9); + Subround(F, b2, c2, d2, e2, a2, X[13], 6, k9); + Subround(F, a2, b2, c2, d2, e2, X[14], 5, k9); + Subround(F, e2, a2, b2, c2, d2, X[ 0], 15, k9); + Subround(F, d2, e2, a2, b2, c2, X[ 3], 13, k9); + Subround(F, c2, d2, e2, a2, b2, X[ 9], 11, k9); + Subround(F, b2, c2, d2, e2, a2, X[11], 11, k9); + + a1 -= trackA[0]; + b1 -= trackA[1]; + c1 -= trackA[2]; + d1 -= trackA[3]; + e1 -= trackA[4]; + a2 -= trackB[0]; + b2 -= trackB[1]; + c2 -= trackB[2]; + d2 -= trackB[3]; + e2 -= trackB[4]; + + if (!last) + { + trackA[0] = (b1 + e1) - d2; + trackA[1] = c1 - e2; + trackA[2] = d1 - a2; + trackA[3] = e1 - b2; + trackA[4] = a1 - c2; + trackB[0] = d1 - e2; + trackB[1] = (e1 + c1) - a2; + trackB[2] = a1 - b2; + trackB[3] = b1 - c2; + trackB[4] = c1 - d2; + } + else + { + trackB[0] = a2 - a1; + trackB[1] = b2 - b1; + trackB[2] = c2 - c1; + trackB[3] = d2 - d1; + trackB[4] = e2 - e1; + trackA[0] = 0; + trackA[1] = 0; + trackA[2] = 0; + trackA[3] = 0; + trackA[4] = 0; + } +} + +NAMESPACE_END diff --git a/CryptoPP/ttmac.h b/CryptoPP/ttmac.h new file mode 100644 index 000000000..b4bf86e26 --- /dev/null +++ b/CryptoPP/ttmac.h @@ -0,0 +1,38 @@ +// ttmac.h - written and placed in the public domain by Kevin Springle + +#ifndef CRYPTOPP_TTMAC_H +#define CRYPTOPP_TTMAC_H + +#include "seckey.h" +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +class CRYPTOPP_NO_VTABLE TTMAC_Base : public FixedKeyLength<20>, public IteratedHash<word32, LittleEndian, 64, MessageAuthenticationCode> +{ +public: + static std::string StaticAlgorithmName() {return std::string("Two-Track-MAC");} + CRYPTOPP_CONSTANT(DIGESTSIZE=20) + + unsigned int DigestSize() const {return DIGESTSIZE;}; + void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms); + void TruncatedFinal(byte *mac, size_t size); + +protected: + static void Transform (word32 *digest, const word32 *X, bool last); + void HashEndianCorrectedBlock(const word32 *data) {Transform(m_digest, data, false);} + void Init(); + word32* StateBuf() {return m_digest;} + + FixedSizeSecBlock<word32, 10> m_digest; + FixedSizeSecBlock<word32, 5> m_key; +}; + +//! <a href="http://www.weidai.com/scan-mirror/mac.html#TTMAC">Two-Track-MAC</a> +/*! 160 Bit MAC with 160 Bit Key */ +DOCUMENTED_TYPEDEF(MessageAuthenticationCodeFinal<TTMAC_Base>, TTMAC) + +NAMESPACE_END + +#endif diff --git a/CryptoPP/twofish.cpp b/CryptoPP/twofish.cpp new file mode 100644 index 000000000..064f16c44 --- /dev/null +++ b/CryptoPP/twofish.cpp @@ -0,0 +1,168 @@ +// twofish.cpp - modified by Wei Dai from Matthew Skala's twofish.c +// The original code and all modifications are in the public domain. + +#include "pch.h" +#include "twofish.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +// compute (c * x^4) mod (x^4 + (a + 1/a) * x^3 + a * x^2 + (a + 1/a) * x + 1) +// over GF(256) +static inline unsigned int Mod(unsigned int c) +{ + static const unsigned int modulus = 0x14d; + unsigned int c2 = (c<<1) ^ ((c & 0x80) ? modulus : 0); + unsigned int c1 = c2 ^ (c>>1) ^ ((c & 1) ? (modulus>>1) : 0); + return c | (c1 << 8) | (c2 << 16) | (c1 << 24); +} + +// compute RS(12,8) code with the above polynomial as generator +// this is equivalent to multiplying by the RS matrix +static word32 ReedSolomon(word32 high, word32 low) +{ + for (unsigned int i=0; i<8; i++) + { + high = Mod(high>>24) ^ (high<<8) ^ (low>>24); + low <<= 8; + } + return high; +} + +inline word32 Twofish::Base::h0(word32 x, const word32 *key, unsigned int kLen) +{ + x = x | (x<<8) | (x<<16) | (x<<24); + switch(kLen) + { +#define Q(a, b, c, d, t) q[a][GETBYTE(t,0)] ^ (q[b][GETBYTE(t,1)] << 8) ^ (q[c][GETBYTE(t,2)] << 16) ^ (q[d][GETBYTE(t,3)] << 24) + case 4: x = Q(1, 0, 0, 1, x) ^ key[6]; + case 3: x = Q(1, 1, 0, 0, x) ^ key[4]; + case 2: x = Q(0, 1, 0, 1, x) ^ key[2]; + x = Q(0, 0, 1, 1, x) ^ key[0]; + } + return x; +} + +inline word32 Twofish::Base::h(word32 x, const word32 *key, unsigned int kLen) +{ + x = h0(x, key, kLen); + return mds[0][GETBYTE(x,0)] ^ mds[1][GETBYTE(x,1)] ^ mds[2][GETBYTE(x,2)] ^ mds[3][GETBYTE(x,3)]; +} + +void Twofish::Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs &) +{ + AssertValidKeyLength(keylength); + + unsigned int len = (keylength <= 16 ? 2 : (keylength <= 24 ? 3 : 4)); + SecBlock<word32> key(len*2); + GetUserKey(LITTLE_ENDIAN_ORDER, key.begin(), len*2, userKey, keylength); + + unsigned int i; + for (i=0; i<40; i+=2) + { + word32 a = h(i, key, len); + word32 b = rotlFixed(h(i+1, key+1, len), 8); + m_k[i] = a+b; + m_k[i+1] = rotlFixed(a+2*b, 9); + } + + SecBlock<word32> svec(2*len); + for (i=0; i<len; i++) + svec[2*(len-i-1)] = ReedSolomon(key[2*i+1], key[2*i]); + for (i=0; i<256; i++) + { + word32 t = h0(i, svec, len); + m_s[0*256+i] = mds[0][GETBYTE(t, 0)]; + m_s[1*256+i] = mds[1][GETBYTE(t, 1)]; + m_s[2*256+i] = mds[2][GETBYTE(t, 2)]; + m_s[3*256+i] = mds[3][GETBYTE(t, 3)]; + } +} + +#define G1(x) (m_s[0*256+GETBYTE(x,0)] ^ m_s[1*256+GETBYTE(x,1)] ^ m_s[2*256+GETBYTE(x,2)] ^ m_s[3*256+GETBYTE(x,3)]) +#define G2(x) (m_s[0*256+GETBYTE(x,3)] ^ m_s[1*256+GETBYTE(x,0)] ^ m_s[2*256+GETBYTE(x,1)] ^ m_s[3*256+GETBYTE(x,2)]) + +#define ENCROUND(n, a, b, c, d) \ + x = G1 (a); y = G2 (b); \ + x += y; y += x + k[2 * (n) + 1]; \ + (c) ^= x + k[2 * (n)]; \ + (c) = rotrFixed(c, 1); \ + (d) = rotlFixed(d, 1) ^ y + +#define ENCCYCLE(n) \ + ENCROUND (2 * (n), a, b, c, d); \ + ENCROUND (2 * (n) + 1, c, d, a, b) + +#define DECROUND(n, a, b, c, d) \ + x = G1 (a); y = G2 (b); \ + x += y; y += x; \ + (d) ^= y + k[2 * (n) + 1]; \ + (d) = rotrFixed(d, 1); \ + (c) = rotlFixed(c, 1); \ + (c) ^= (x + k[2 * (n)]) + +#define DECCYCLE(n) \ + DECROUND (2 * (n) + 1, c, d, a, b); \ + DECROUND (2 * (n), a, b, c, d) + +typedef BlockGetAndPut<word32, LittleEndian> Block; + +void Twofish::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 x, y, a, b, c, d; + + Block::Get(inBlock)(a)(b)(c)(d); + + a ^= m_k[0]; + b ^= m_k[1]; + c ^= m_k[2]; + d ^= m_k[3]; + + const word32 *k = m_k+8; + ENCCYCLE (0); + ENCCYCLE (1); + ENCCYCLE (2); + ENCCYCLE (3); + ENCCYCLE (4); + ENCCYCLE (5); + ENCCYCLE (6); + ENCCYCLE (7); + + c ^= m_k[4]; + d ^= m_k[5]; + a ^= m_k[6]; + b ^= m_k[7]; + + Block::Put(xorBlock, outBlock)(c)(d)(a)(b); +} + +void Twofish::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + word32 x, y, a, b, c, d; + + Block::Get(inBlock)(c)(d)(a)(b); + + c ^= m_k[4]; + d ^= m_k[5]; + a ^= m_k[6]; + b ^= m_k[7]; + + const word32 *k = m_k+8; + DECCYCLE (7); + DECCYCLE (6); + DECCYCLE (5); + DECCYCLE (4); + DECCYCLE (3); + DECCYCLE (2); + DECCYCLE (1); + DECCYCLE (0); + + a ^= m_k[0]; + b ^= m_k[1]; + c ^= m_k[2]; + d ^= m_k[3]; + + Block::Put(xorBlock, outBlock)(a)(b)(c)(d); +} + +NAMESPACE_END diff --git a/CryptoPP/twofish.h b/CryptoPP/twofish.h new file mode 100644 index 000000000..9ba2903bd --- /dev/null +++ b/CryptoPP/twofish.h @@ -0,0 +1,59 @@ +#ifndef CRYPTOPP_TWOFISH_H +#define CRYPTOPP_TWOFISH_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct Twofish_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, FixedRounds<16> +{ + static const char *StaticAlgorithmName() {return "Twofish";} +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#Twofish">Twofish</a> +class Twofish : public Twofish_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Twofish_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + static word32 h0(word32 x, const word32 *key, unsigned int kLen); + static word32 h(word32 x, const word32 *key, unsigned int kLen); + + static const byte q[2][256]; + static const word32 mds[4][256]; + + FixedSizeSecBlock<word32, 40> m_k; + FixedSizeSecBlock<word32, 4*256> m_s; + }; + + class CRYPTOPP_NO_VTABLE Enc : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + + class CRYPTOPP_NO_VTABLE Dec : public Base + { + public: + void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; + }; + +public: + typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; + typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; +}; + +typedef Twofish::Encryption TwofishEncryption; +typedef Twofish::Decryption TwofishDecryption; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/validate.h b/CryptoPP/validate.h new file mode 100644 index 000000000..685340775 --- /dev/null +++ b/CryptoPP/validate.h @@ -0,0 +1,81 @@ +#ifndef CRYPTOPP_VALIDATE_H +#define CRYPTOPP_VALIDATE_H + +#include "cryptlib.h" + +bool ValidateAll(bool thorough); +bool TestSettings(); +bool TestOS_RNG(); +bool ValidateBaseCode(); + +bool ValidateCRC32(); +bool ValidateAdler32(); +bool ValidateMD2(); +bool ValidateMD4(); +bool ValidateMD5(); +bool ValidateSHA(); +bool ValidateSHA2(); +bool ValidateTiger(); +bool ValidateRIPEMD(); +bool ValidatePanama(); +bool ValidateWhirlpool(); + +bool ValidateHMAC(); +bool ValidateTTMAC(); + +bool ValidateCipherModes(); +bool ValidatePBKDF(); + +bool ValidateDES(); +bool ValidateIDEA(); +bool ValidateSAFER(); +bool ValidateRC2(); +bool ValidateARC4(); + +bool ValidateRC5(); +bool ValidateBlowfish(); +bool ValidateThreeWay(); +bool ValidateGOST(); +bool ValidateSHARK(); +bool ValidateSEAL(); +bool ValidateCAST(); +bool ValidateSquare(); +bool ValidateSKIPJACK(); +bool ValidateRC6(); +bool ValidateMARS(); +bool ValidateRijndael(); +bool ValidateTwofish(); +bool ValidateSerpent(); +bool ValidateSHACAL2(); +bool ValidateCamellia(); +bool ValidateSalsa(); +bool ValidateSosemanuk(); +bool ValidateVMAC(); +bool ValidateCCM(); +bool ValidateGCM(); +bool ValidateCMAC(); + +bool ValidateBBS(); +bool ValidateDH(); +bool ValidateMQV(); +bool ValidateRSA(); +bool ValidateElGamal(); +bool ValidateDLIES(); +bool ValidateNR(); +bool ValidateDSA(bool thorough); +bool ValidateLUC(); +bool ValidateLUC_DL(); +bool ValidateLUC_DH(); +bool ValidateXTR_DH(); +bool ValidateRabin(); +bool ValidateRW(); +//bool ValidateBlumGoldwasser(); +bool ValidateECP(); +bool ValidateEC2N(); +bool ValidateECDSA(); +bool ValidateESIGN(); + +CryptoPP::RandomNumberGenerator & GlobalRNG(); +bool RunTestDataFile(const char *filename, const CryptoPP::NameValuePairs &overrideParameters=CryptoPP::g_nullNameValuePairs); + +#endif diff --git a/CryptoPP/vmac.cpp b/CryptoPP/vmac.cpp new file mode 100644 index 000000000..6b490f904 --- /dev/null +++ b/CryptoPP/vmac.cpp @@ -0,0 +1,832 @@ +// vmac.cpp - written and placed in the public domain by Wei Dai +// based on Ted Krovetz's public domain vmac.c and draft-krovetz-vmac-01.txt + +#include "pch.h" +#include "vmac.h" +#include "argnames.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +#if defined(_MSC_VER) && !CRYPTOPP_BOOL_SLOW_WORD64 +#include <intrin.h> +#endif + +#define VMAC_BOOL_WORD128 (defined(CRYPTOPP_WORD128_AVAILABLE) && !defined(CRYPTOPP_X64_ASM_AVAILABLE)) +#ifdef __BORLANDC__ +#define const // Turbo C++ 2006 workaround +#endif +static const word64 p64 = W64LIT(0xfffffffffffffeff); /* 2^64 - 257 prime */ +static const word64 m62 = W64LIT(0x3fffffffffffffff); /* 62-bit mask */ +static const word64 m63 = W64LIT(0x7fffffffffffffff); /* 63-bit mask */ +static const word64 m64 = W64LIT(0xffffffffffffffff); /* 64-bit mask */ +static const word64 mpoly = W64LIT(0x1fffffff1fffffff); /* Poly key mask */ +#ifdef __BORLANDC__ +#undef const +#endif +#if VMAC_BOOL_WORD128 +#ifdef __powerpc__ +// workaround GCC Bug 31690: ICE with const __uint128_t and C++ front-end +#define m126 ((word128(m62)<<64)|m64) +#else +static const word128 m126 = (word128(m62)<<64)|m64; /* 126-bit mask */ +#endif +#endif + +void VMAC_Base::UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms) +{ + int digestLength = params.GetIntValueWithDefault(Name::DigestSize(), DefaultDigestSize()); + if (digestLength != 8 && digestLength != 16) + throw InvalidArgument("VMAC: DigestSize must be 8 or 16"); + m_is128 = digestLength == 16; + + m_L1KeyLength = params.GetIntValueWithDefault(Name::L1KeyLength(), 128); + if (m_L1KeyLength <= 0 || m_L1KeyLength % 128 != 0) + throw InvalidArgument("VMAC: L1KeyLength must be a positive multiple of 128"); + + AllocateBlocks(); + + BlockCipher &cipher = AccessCipher(); + cipher.SetKey(userKey, keylength, params); + unsigned int blockSize = cipher.BlockSize(); + unsigned int blockSizeInWords = blockSize / sizeof(word64); + SecBlock<word64> out(blockSizeInWords); + SecByteBlock in; + in.CleanNew(blockSize); + size_t i; + + /* Fill nh key */ + in[0] = 0x80; + cipher.AdvancedProcessBlocks(in, NULL, (byte *)m_nhKey(), m_nhKeySize()*sizeof(word64), cipher.BT_InBlockIsCounter); + ConditionalByteReverse<word64>(BIG_ENDIAN_ORDER, m_nhKey(), m_nhKey(), m_nhKeySize()*sizeof(word64)); + + /* Fill poly key */ + in[0] = 0xC0; + in[15] = 0; + for (i = 0; i <= (size_t)m_is128; i++) + { + cipher.ProcessBlock(in, out.BytePtr()); + m_polyState()[i*4+2] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()) & mpoly; + m_polyState()[i*4+3] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()+8) & mpoly; + in[15]++; + } + + /* Fill ip key */ + in[0] = 0xE0; + in[15] = 0; + word64 *l3Key = m_l3Key(); + for (i = 0; i <= (size_t)m_is128; i++) + do + { + cipher.ProcessBlock(in, out.BytePtr()); + l3Key[i*2+0] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()); + l3Key[i*2+1] = GetWord<word64>(true, BIG_ENDIAN_ORDER, out.BytePtr()+8); + in[15]++; + } while ((l3Key[i*2+0] >= p64) || (l3Key[i*2+1] >= p64)); + + m_padCached = false; + size_t nonceLength; + const byte *nonce = GetIVAndThrowIfInvalid(params, nonceLength); + Resynchronize(nonce, (int)nonceLength); +} + +void VMAC_Base::GetNextIV(RandomNumberGenerator &rng, byte *IV) +{ + SimpleKeyingInterface::GetNextIV(rng, IV); + IV[0] &= 0x7f; +} + +void VMAC_Base::Resynchronize(const byte *nonce, int len) +{ + size_t length = ThrowIfInvalidIVLength(len); + size_t s = IVSize(); + byte *storedNonce = m_nonce(); + + if (m_is128) + { + memset(storedNonce, 0, s-length); + memcpy(storedNonce+s-length, nonce, length); + AccessCipher().ProcessBlock(storedNonce, m_pad()); + } + else + { + if (m_padCached && (storedNonce[s-1] | 1) == (nonce[length-1] | 1)) + { + m_padCached = VerifyBufsEqual(storedNonce+s-length, nonce, length-1); + for (size_t i=0; m_padCached && i<s-length; i++) + m_padCached = (storedNonce[i] == 0); + } + if (!m_padCached) + { + memset(storedNonce, 0, s-length); + memcpy(storedNonce+s-length, nonce, length-1); + storedNonce[s-1] = nonce[length-1] & 0xfe; + AccessCipher().ProcessBlock(storedNonce, m_pad()); + m_padCached = true; + } + storedNonce[s-1] = nonce[length-1]; + } + m_isFirstBlock = true; + Restart(); +} + +void VMAC_Base::HashEndianCorrectedBlock(const word64 *data) +{ + assert(false); + throw 0; +} + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 +#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code +void +#ifdef __GNUC__ +__attribute__ ((noinline)) // Intel Compiler 9.1 workaround +#endif +VMAC_Base::VHASH_Update_SSE2(const word64 *data, size_t blocksRemainingInWord64, int tagPart) +{ + const word64 *nhK = m_nhKey(); + word64 *polyS = m_polyState(); + word32 L1KeyLength = m_L1KeyLength; + +#ifdef __GNUC__ + word32 temp; + __asm__ __volatile__ + ( + AS2( mov %%ebx, %0) + AS2( mov %1, %%ebx) + ".intel_syntax noprefix;" +#else + #if _MSC_VER < 1300 || defined(__INTEL_COMPILER) + char isFirstBlock = m_isFirstBlock; + AS2( mov ebx, [L1KeyLength]) + AS2( mov dl, [isFirstBlock]) + #else + AS2( mov ecx, this) + AS2( mov ebx, [ecx+m_L1KeyLength]) + AS2( mov dl, [ecx+m_isFirstBlock]) + #endif + AS2( mov eax, tagPart) + AS2( shl eax, 4) + AS2( mov edi, nhK) + AS2( add edi, eax) + AS2( add eax, eax) + AS2( add eax, polyS) + + AS2( mov esi, data) + AS2( mov ecx, blocksRemainingInWord64) +#endif + + AS2( shr ebx, 3) + AS1( push ebp) + AS2( sub esp, 12) + ASL(4) + AS2( mov ebp, ebx) + AS2( cmp ecx, ebx) + AS2( cmovl ebp, ecx) + AS2( sub ecx, ebp) + AS2( lea ebp, [edi+8*ebp]) // end of nhK + AS2( movq mm6, [esi]) + AS2( paddq mm6, [edi]) + AS2( movq mm5, [esi+8]) + AS2( paddq mm5, [edi+8]) + AS2( add esi, 16) + AS2( add edi, 16) + AS2( movq mm4, mm6) + ASS( pshufw mm2, mm6, 1, 0, 3, 2) + AS2( pmuludq mm6, mm5) + ASS( pshufw mm3, mm5, 1, 0, 3, 2) + AS2( pmuludq mm5, mm2) + AS2( pmuludq mm2, mm3) + AS2( pmuludq mm3, mm4) + AS2( pxor mm7, mm7) + AS2( movd [esp], mm6) + AS2( psrlq mm6, 32) + AS2( movd [esp+4], mm5) + AS2( psrlq mm5, 32) + AS2( cmp edi, ebp) + ASJ( je, 1, f) + ASL(0) + AS2( movq mm0, [esi]) + AS2( paddq mm0, [edi]) + AS2( movq mm1, [esi+8]) + AS2( paddq mm1, [edi+8]) + AS2( add esi, 16) + AS2( add edi, 16) + AS2( movq mm4, mm0) + AS2( paddq mm5, mm2) + ASS( pshufw mm2, mm0, 1, 0, 3, 2) + AS2( pmuludq mm0, mm1) + AS2( movd [esp+8], mm3) + AS2( psrlq mm3, 32) + AS2( paddq mm5, mm3) + ASS( pshufw mm3, mm1, 1, 0, 3, 2) + AS2( pmuludq mm1, mm2) + AS2( pmuludq mm2, mm3) + AS2( pmuludq mm3, mm4) + AS2( movd mm4, [esp]) + AS2( paddq mm7, mm4) + AS2( movd mm4, [esp+4]) + AS2( paddq mm6, mm4) + AS2( movd mm4, [esp+8]) + AS2( paddq mm6, mm4) + AS2( movd [esp], mm0) + AS2( psrlq mm0, 32) + AS2( paddq mm6, mm0) + AS2( movd [esp+4], mm1) + AS2( psrlq mm1, 32) + AS2( paddq mm5, mm1) + AS2( cmp edi, ebp) + ASJ( jne, 0, b) + ASL(1) + AS2( paddq mm5, mm2) + AS2( movd [esp+8], mm3) + AS2( psrlq mm3, 32) + AS2( paddq mm5, mm3) + AS2( movd mm4, [esp]) + AS2( paddq mm7, mm4) + AS2( movd mm4, [esp+4]) + AS2( paddq mm6, mm4) + AS2( movd mm4, [esp+8]) + AS2( paddq mm6, mm4) + AS2( lea ebp, [8*ebx]) + AS2( sub edi, ebp) // reset edi to start of nhK + + AS2( movd [esp], mm7) + AS2( psrlq mm7, 32) + AS2( paddq mm6, mm7) + AS2( movd [esp+4], mm6) + AS2( psrlq mm6, 32) + AS2( paddq mm5, mm6) + AS2( psllq mm5, 2) + AS2( psrlq mm5, 2) + +#define a0 [eax+2*4] +#define a1 [eax+3*4] +#define a2 [eax+0*4] +#define a3 [eax+1*4] +#define k0 [eax+2*8+2*4] +#define k1 [eax+2*8+3*4] +#define k2 [eax+2*8+0*4] +#define k3 [eax+2*8+1*4] + AS2( test dl, dl) + ASJ( jz, 2, f) + AS2( movd mm1, k0) + AS2( movd mm0, [esp]) + AS2( paddq mm0, mm1) + AS2( movd a0, mm0) + AS2( psrlq mm0, 32) + AS2( movd mm1, k1) + AS2( movd mm2, [esp+4]) + AS2( paddq mm1, mm2) + AS2( paddq mm0, mm1) + AS2( movd a1, mm0) + AS2( psrlq mm0, 32) + AS2( paddq mm5, k2) + AS2( paddq mm0, mm5) + AS2( movq a2, mm0) + AS2( xor edx, edx) + ASJ( jmp, 3, f) + ASL(2) + AS2( movd mm0, a3) + AS2( movq mm4, mm0) + AS2( pmuludq mm0, k3) // a3*k3 + AS2( movd mm1, a0) + AS2( pmuludq mm1, k2) // a0*k2 + AS2( movd mm2, a1) + AS2( movd mm6, k1) + AS2( pmuludq mm2, mm6) // a1*k1 + AS2( movd mm3, a2) + AS2( psllq mm0, 1) + AS2( paddq mm0, mm5) + AS2( movq mm5, mm3) + AS2( movd mm7, k0) + AS2( pmuludq mm3, mm7) // a2*k0 + AS2( pmuludq mm4, mm7) // a3*k0 + AS2( pmuludq mm5, mm6) // a2*k1 + AS2( paddq mm0, mm1) + AS2( movd mm1, a1) + AS2( paddq mm4, mm5) + AS2( movq mm5, mm1) + AS2( pmuludq mm1, k2) // a1*k2 + AS2( paddq mm0, mm2) + AS2( movd mm2, a0) + AS2( paddq mm0, mm3) + AS2( movq mm3, mm2) + AS2( pmuludq mm2, k3) // a0*k3 + AS2( pmuludq mm3, mm7) // a0*k0 + AS2( movd [esp+8], mm0) + AS2( psrlq mm0, 32) + AS2( pmuludq mm7, mm5) // a1*k0 + AS2( pmuludq mm5, k3) // a1*k3 + AS2( paddq mm0, mm1) + AS2( movd mm1, a2) + AS2( pmuludq mm1, k2) // a2*k2 + AS2( paddq mm0, mm2) + AS2( paddq mm0, mm4) + AS2( movq mm4, mm0) + AS2( movd mm2, a3) + AS2( pmuludq mm2, mm6) // a3*k1 + AS2( pmuludq mm6, a0) // a0*k1 + AS2( psrlq mm0, 31) + AS2( paddq mm0, mm3) + AS2( movd mm3, [esp]) + AS2( paddq mm0, mm3) + AS2( movd mm3, a2) + AS2( pmuludq mm3, k3) // a2*k3 + AS2( paddq mm5, mm1) + AS2( movd mm1, a3) + AS2( pmuludq mm1, k2) // a3*k2 + AS2( paddq mm5, mm2) + AS2( movd mm2, [esp+4]) + AS2( psllq mm5, 1) + AS2( paddq mm0, mm5) + AS2( psllq mm4, 33) + AS2( movd a0, mm0) + AS2( psrlq mm0, 32) + AS2( paddq mm6, mm7) + AS2( movd mm7, [esp+8]) + AS2( paddq mm0, mm6) + AS2( paddq mm0, mm2) + AS2( paddq mm3, mm1) + AS2( psllq mm3, 1) + AS2( paddq mm0, mm3) + AS2( psrlq mm4, 1) + AS2( movd a1, mm0) + AS2( psrlq mm0, 32) + AS2( por mm4, mm7) + AS2( paddq mm0, mm4) + AS2( movq a2, mm0) +#undef a0 +#undef a1 +#undef a2 +#undef a3 +#undef k0 +#undef k1 +#undef k2 +#undef k3 + + ASL(3) + AS2( test ecx, ecx) + ASJ( jnz, 4, b) + + AS2( add esp, 12) + AS1( pop ebp) + AS1( emms) +#ifdef __GNUC__ + ".att_syntax prefix;" + AS2( mov %0, %%ebx) + : "=m" (temp) + : "m" (L1KeyLength), "c" (blocksRemainingInWord64), "S" (data), "D" (nhK+tagPart*2), "d" (m_isFirstBlock), "a" (polyS+tagPart*4) + : "memory", "cc" + ); +#endif +} +#endif + +#if VMAC_BOOL_WORD128 + #define DeclareNH(a) word128 a=0 + #define MUL64(rh,rl,i1,i2) {word128 p = word128(i1)*(i2); rh = word64(p>>64); rl = word64(p);} + #define AccumulateNH(a, b, c) a += word128(b)*(c) + #define Multiply128(r, i1, i2) r = word128(word64(i1)) * word64(i2) +#else + #if _MSC_VER >= 1400 && !defined(__INTEL_COMPILER) + #define MUL32(a, b) __emulu(word32(a), word32(b)) + #else + #define MUL32(a, b) ((word64)((word32)(a)) * (word32)(b)) + #endif + #if defined(CRYPTOPP_X64_ASM_AVAILABLE) + #define DeclareNH(a) word64 a##0=0, a##1=0 + #define MUL64(rh,rl,i1,i2) asm ("mulq %3" : "=a"(rl), "=d"(rh) : "a"(i1), "g"(i2) : "cc"); + #define AccumulateNH(a, b, c) asm ("mulq %3; addq %%rax, %0; adcq %%rdx, %1" : "+r"(a##0), "+r"(a##1) : "a"(b), "g"(c) : "%rdx", "cc"); + #define ADD128(rh,rl,ih,il) asm ("addq %3, %1; adcq %2, %0" : "+r"(rh),"+r"(rl) : "r"(ih),"r"(il) : "cc"); + #elif defined(_MSC_VER) && !CRYPTOPP_BOOL_SLOW_WORD64 + #define DeclareNH(a) word64 a##0=0, a##1=0 + #define MUL64(rh,rl,i1,i2) (rl) = _umul128(i1,i2,&(rh)); + #define AccumulateNH(a, b, c) {\ + word64 ph, pl;\ + pl = _umul128(b,c,&ph);\ + a##0 += pl;\ + a##1 += ph + (a##0 < pl);} + #else + #define VMAC_BOOL_32BIT 1 + #define DeclareNH(a) word64 a##0=0, a##1=0, a##2=0 + #define MUL64(rh,rl,i1,i2) \ + { word64 _i1 = (i1), _i2 = (i2); \ + word64 m1= MUL32(_i1,_i2>>32); \ + word64 m2= MUL32(_i1>>32,_i2); \ + rh = MUL32(_i1>>32,_i2>>32); \ + rl = MUL32(_i1,_i2); \ + ADD128(rh,rl,(m1 >> 32),(m1 << 32)); \ + ADD128(rh,rl,(m2 >> 32),(m2 << 32)); \ + } + #define AccumulateNH(a, b, c) {\ + word64 p = MUL32(b, c);\ + a##1 += word32((p)>>32);\ + a##0 += word32(p);\ + p = MUL32((b)>>32, c);\ + a##2 += word32((p)>>32);\ + a##1 += word32(p);\ + p = MUL32((b)>>32, (c)>>32);\ + a##2 += p;\ + p = MUL32(b, (c)>>32);\ + a##1 += word32(p);\ + a##2 += word32(p>>32);} + #endif +#endif +#ifndef VMAC_BOOL_32BIT + #define VMAC_BOOL_32BIT 0 +#endif +#ifndef ADD128 + #define ADD128(rh,rl,ih,il) \ + { word64 _il = (il); \ + (rl) += (_il); \ + (rh) += (ih) + ((rl) < (_il)); \ + } +#endif + +#if !(defined(_MSC_VER) && _MSC_VER < 1300) +template <bool T_128BitTag> +#endif +void VMAC_Base::VHASH_Update_Template(const word64 *data, size_t blocksRemainingInWord64) +{ + #define INNER_LOOP_ITERATION(j) {\ + word64 d0 = ConditionalByteReverse(LITTLE_ENDIAN_ORDER, data[i+2*j+0]);\ + word64 d1 = ConditionalByteReverse(LITTLE_ENDIAN_ORDER, data[i+2*j+1]);\ + AccumulateNH(nhA, d0+nhK[i+2*j+0], d1+nhK[i+2*j+1]);\ + if (T_128BitTag)\ + AccumulateNH(nhB, d0+nhK[i+2*j+2], d1+nhK[i+2*j+3]);\ + } + +#if (defined(_MSC_VER) && _MSC_VER < 1300) + bool T_128BitTag = m_is128; +#endif + size_t L1KeyLengthInWord64 = m_L1KeyLength / 8; + size_t innerLoopEnd = L1KeyLengthInWord64; + const word64 *nhK = m_nhKey(); + word64 *polyS = m_polyState(); + bool isFirstBlock = true; + size_t i; + + #if !VMAC_BOOL_32BIT + #if VMAC_BOOL_WORD128 + word128 a1, a2; + #else + word64 ah1, al1, ah2, al2; + #endif + word64 kh1, kl1, kh2, kl2; + kh1=(polyS+0*4+2)[0]; kl1=(polyS+0*4+2)[1]; + if (T_128BitTag) + { + kh2=(polyS+1*4+2)[0]; kl2=(polyS+1*4+2)[1]; + } + #endif + + do + { + DeclareNH(nhA); + DeclareNH(nhB); + + i = 0; + if (blocksRemainingInWord64 < L1KeyLengthInWord64) + { + if (blocksRemainingInWord64 % 8) + { + innerLoopEnd = blocksRemainingInWord64 % 8; + for (; i<innerLoopEnd; i+=2) + INNER_LOOP_ITERATION(0); + } + innerLoopEnd = blocksRemainingInWord64; + } + for (; i<innerLoopEnd; i+=8) + { + INNER_LOOP_ITERATION(0); + INNER_LOOP_ITERATION(1); + INNER_LOOP_ITERATION(2); + INNER_LOOP_ITERATION(3); + } + blocksRemainingInWord64 -= innerLoopEnd; + data += innerLoopEnd; + + #if VMAC_BOOL_32BIT + word32 nh0[2], nh1[2]; + word64 nh2[2]; + + nh0[0] = word32(nhA0); + nhA1 += (nhA0 >> 32); + nh1[0] = word32(nhA1); + nh2[0] = (nhA2 + (nhA1 >> 32)) & m62; + + if (T_128BitTag) + { + nh0[1] = word32(nhB0); + nhB1 += (nhB0 >> 32); + nh1[1] = word32(nhB1); + nh2[1] = (nhB2 + (nhB1 >> 32)) & m62; + } + + #define a0 (((word32 *)(polyS+i*4))[2+NativeByteOrder::ToEnum()]) + #define a1 (*(((word32 *)(polyS+i*4))+3-NativeByteOrder::ToEnum())) // workaround for GCC 3.2 + #define a2 (((word32 *)(polyS+i*4))[0+NativeByteOrder::ToEnum()]) + #define a3 (*(((word32 *)(polyS+i*4))+1-NativeByteOrder::ToEnum())) + #define aHi ((polyS+i*4)[0]) + #define k0 (((word32 *)(polyS+i*4+2))[2+NativeByteOrder::ToEnum()]) + #define k1 (*(((word32 *)(polyS+i*4+2))+3-NativeByteOrder::ToEnum())) + #define k2 (((word32 *)(polyS+i*4+2))[0+NativeByteOrder::ToEnum()]) + #define k3 (*(((word32 *)(polyS+i*4+2))+1-NativeByteOrder::ToEnum())) + #define kHi ((polyS+i*4+2)[0]) + + if (isFirstBlock) + { + isFirstBlock = false; + if (m_isFirstBlock) + { + m_isFirstBlock = false; + for (i=0; i<=(size_t)T_128BitTag; i++) + { + word64 t = (word64)nh0[i] + k0; + a0 = (word32)t; + t = (t >> 32) + nh1[i] + k1; + a1 = (word32)t; + aHi = (t >> 32) + nh2[i] + kHi; + } + continue; + } + } + for (i=0; i<=(size_t)T_128BitTag; i++) + { + word64 p, t; + word32 t2; + + p = MUL32(a3, 2*k3); + p += nh2[i]; + p += MUL32(a0, k2); + p += MUL32(a1, k1); + p += MUL32(a2, k0); + t2 = (word32)p; + p >>= 32; + p += MUL32(a0, k3); + p += MUL32(a1, k2); + p += MUL32(a2, k1); + p += MUL32(a3, k0); + t = (word64(word32(p) & 0x7fffffff) << 32) | t2; + p >>= 31; + p += nh0[i]; + p += MUL32(a0, k0); + p += MUL32(a1, 2*k3); + p += MUL32(a2, 2*k2); + p += MUL32(a3, 2*k1); + t2 = (word32)p; + p >>= 32; + p += nh1[i]; + p += MUL32(a0, k1); + p += MUL32(a1, k0); + p += MUL32(a2, 2*k3); + p += MUL32(a3, 2*k2); + a0 = t2; + a1 = (word32)p; + aHi = (p >> 32) + t; + } + + #undef a0 + #undef a1 + #undef a2 + #undef a3 + #undef aHi + #undef k0 + #undef k1 + #undef k2 + #undef k3 + #undef kHi + #else // #if VMAC_BOOL_32BIT + if (isFirstBlock) + { + isFirstBlock = false; + if (m_isFirstBlock) + { + m_isFirstBlock = false; + #if VMAC_BOOL_WORD128 + #define first_poly_step(a, kh, kl, m) a = (m & m126) + ((word128(kh) << 64) | kl) + + first_poly_step(a1, kh1, kl1, nhA); + if (T_128BitTag) + first_poly_step(a2, kh2, kl2, nhB); + #else + #define first_poly_step(ah, al, kh, kl, mh, ml) {\ + mh &= m62;\ + ADD128(mh, ml, kh, kl); \ + ah = mh; al = ml;} + + first_poly_step(ah1, al1, kh1, kl1, nhA1, nhA0); + if (T_128BitTag) + first_poly_step(ah2, al2, kh2, kl2, nhB1, nhB0); + #endif + continue; + } + else + { + #if VMAC_BOOL_WORD128 + a1 = (word128((polyS+0*4)[0]) << 64) | (polyS+0*4)[1]; + #else + ah1=(polyS+0*4)[0]; al1=(polyS+0*4)[1]; + #endif + if (T_128BitTag) + { + #if VMAC_BOOL_WORD128 + a2 = (word128((polyS+1*4)[0]) << 64) | (polyS+1*4)[1]; + #else + ah2=(polyS+1*4)[0]; al2=(polyS+1*4)[1]; + #endif + } + } + } + + #if VMAC_BOOL_WORD128 + #define poly_step(a, kh, kl, m) \ + { word128 t1, t2, t3, t4;\ + Multiply128(t2, a>>64, kl);\ + Multiply128(t3, a, kh);\ + Multiply128(t1, a, kl);\ + Multiply128(t4, a>>64, 2*kh);\ + t2 += t3;\ + t4 += t1;\ + t2 += t4>>64;\ + a = (word128(word64(t2)&m63) << 64) | word64(t4);\ + t2 *= 2;\ + a += m & m126;\ + a += t2>>64;} + + poly_step(a1, kh1, kl1, nhA); + if (T_128BitTag) + poly_step(a2, kh2, kl2, nhB); + #else + #define poly_step(ah, al, kh, kl, mh, ml) \ + { word64 t1h, t1l, t2h, t2l, t3h, t3l, z=0; \ + /* compute ab*cd, put bd into result registers */ \ + MUL64(t2h,t2l,ah,kl); \ + MUL64(t3h,t3l,al,kh); \ + MUL64(t1h,t1l,ah,2*kh); \ + MUL64(ah,al,al,kl); \ + /* add together ad + bc */ \ + ADD128(t2h,t2l,t3h,t3l); \ + /* add 2 * ac to result */ \ + ADD128(ah,al,t1h,t1l); \ + /* now (ah,al), (t2l,2*t2h) need summing */ \ + /* first add the high registers, carrying into t2h */ \ + ADD128(t2h,ah,z,t2l); \ + /* double t2h and add top bit of ah */ \ + t2h += t2h + (ah >> 63); \ + ah &= m63; \ + /* now add the low registers */ \ + mh &= m62; \ + ADD128(ah,al,mh,ml); \ + ADD128(ah,al,z,t2h); \ + } + + poly_step(ah1, al1, kh1, kl1, nhA1, nhA0); + if (T_128BitTag) + poly_step(ah2, al2, kh2, kl2, nhB1, nhB0); + #endif + #endif // #if VMAC_BOOL_32BIT + } while (blocksRemainingInWord64); + + #if VMAC_BOOL_WORD128 + (polyS+0*4)[0]=word64(a1>>64); (polyS+0*4)[1]=word64(a1); + if (T_128BitTag) + { + (polyS+1*4)[0]=word64(a2>>64); (polyS+1*4)[1]=word64(a2); + } + #elif !VMAC_BOOL_32BIT + (polyS+0*4)[0]=ah1; (polyS+0*4)[1]=al1; + if (T_128BitTag) + { + (polyS+1*4)[0]=ah2; (polyS+1*4)[1]=al2; + } + #endif +} + +inline void VMAC_Base::VHASH_Update(const word64 *data, size_t blocksRemainingInWord64) +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE && CRYPTOPP_BOOL_X86 + if (HasSSE2()) + { + VHASH_Update_SSE2(data, blocksRemainingInWord64, 0); + if (m_is128) + VHASH_Update_SSE2(data, blocksRemainingInWord64, 1); + m_isFirstBlock = false; + } + else +#endif + { +#if defined(_MSC_VER) && _MSC_VER < 1300 + VHASH_Update_Template(data, blocksRemainingInWord64); +#else + if (m_is128) + VHASH_Update_Template<true>(data, blocksRemainingInWord64); + else + VHASH_Update_Template<false>(data, blocksRemainingInWord64); +#endif + } +} + +size_t VMAC_Base::HashMultipleBlocks(const word64 *data, size_t length) +{ + size_t remaining = ModPowerOf2(length, m_L1KeyLength); + VHASH_Update(data, (length-remaining)/8); + return remaining; +} + +static word64 L3Hash(const word64 *input, const word64 *l3Key, size_t len) +{ + word64 rh, rl, t, z=0; + word64 p1 = input[0], p2 = input[1]; + word64 k1 = l3Key[0], k2 = l3Key[1]; + + /* fully reduce (p1,p2)+(len,0) mod p127 */ + t = p1 >> 63; + p1 &= m63; + ADD128(p1, p2, len, t); + /* At this point, (p1,p2) is at most 2^127+(len<<64) */ + t = (p1 > m63) + ((p1 == m63) & (p2 == m64)); + ADD128(p1, p2, z, t); + p1 &= m63; + + /* compute (p1,p2)/(2^64-2^32) and (p1,p2)%(2^64-2^32) */ + t = p1 + (p2 >> 32); + t += (t >> 32); + t += (word32)t > 0xfffffffeU; + p1 += (t >> 32); + p2 += (p1 << 32); + + /* compute (p1+k1)%p64 and (p2+k2)%p64 */ + p1 += k1; + p1 += (0 - (p1 < k1)) & 257; + p2 += k2; + p2 += (0 - (p2 < k2)) & 257; + + /* compute (p1+k1)*(p2+k2)%p64 */ + MUL64(rh, rl, p1, p2); + t = rh >> 56; + ADD128(t, rl, z, rh); + rh <<= 8; + ADD128(t, rl, z, rh); + t += t << 8; + rl += t; + rl += (0 - (rl < t)) & 257; + rl += (0 - (rl > p64-1)) & 257; + return rl; +} + +void VMAC_Base::TruncatedFinal(byte *mac, size_t size) +{ + size_t len = ModPowerOf2(GetBitCountLo()/8, m_L1KeyLength); + + if (len) + { + memset(m_data()+len, 0, (0-len)%16); + VHASH_Update(DataBuf(), ((len+15)/16)*2); + len *= 8; // convert to bits + } + else if (m_isFirstBlock) + { + // special case for empty string + m_polyState()[0] = m_polyState()[2]; + m_polyState()[1] = m_polyState()[3]; + if (m_is128) + { + m_polyState()[4] = m_polyState()[6]; + m_polyState()[5] = m_polyState()[7]; + } + } + + if (m_is128) + { + word64 t[2]; + t[0] = L3Hash(m_polyState(), m_l3Key(), len) + GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad()); + t[1] = L3Hash(m_polyState()+4, m_l3Key()+2, len) + GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad()+8); + if (size == 16) + { + PutWord(false, BIG_ENDIAN_ORDER, mac, t[0]); + PutWord(false, BIG_ENDIAN_ORDER, mac+8, t[1]); + } + else + { + t[0] = ConditionalByteReverse(BIG_ENDIAN_ORDER, t[0]); + t[1] = ConditionalByteReverse(BIG_ENDIAN_ORDER, t[1]); + memcpy(mac, t, size); + } + } + else + { + word64 t = L3Hash(m_polyState(), m_l3Key(), len); + t += GetWord<word64>(true, BIG_ENDIAN_ORDER, m_pad() + (m_nonce()[IVSize()-1]&1) * 8); + if (size == 8) + PutWord(false, BIG_ENDIAN_ORDER, mac, t); + else + { + t = ConditionalByteReverse(BIG_ENDIAN_ORDER, t); + memcpy(mac, &t, size); + } + } +} + +NAMESPACE_END diff --git a/CryptoPP/vmac.h b/CryptoPP/vmac.h new file mode 100644 index 000000000..07240173c --- /dev/null +++ b/CryptoPP/vmac.h @@ -0,0 +1,68 @@ +#ifndef CRYPTOPP_VMAC_H +#define CRYPTOPP_VMAC_H + +#include "iterhash.h" +#include "seckey.h" + +NAMESPACE_BEGIN(CryptoPP) + +/// . +class VMAC_Base : public IteratedHashBase<word64, MessageAuthenticationCode> +{ +public: + std::string AlgorithmName() const {return std::string("VMAC(") + GetCipher().AlgorithmName() + ")-" + IntToString(DigestSize()*8);} + unsigned int IVSize() const {return GetCipher().BlockSize();} + unsigned int MinIVLength() const {return 1;} + void Resynchronize(const byte *nonce, int length=-1); + void GetNextIV(RandomNumberGenerator &rng, byte *IV); + unsigned int DigestSize() const {return m_is128 ? 16 : 8;}; + void UncheckedSetKey(const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms); + void TruncatedFinal(byte *mac, size_t size); + unsigned int BlockSize() const {return m_L1KeyLength;} + ByteOrder GetByteOrder() const {return LITTLE_ENDIAN_ORDER;} + +protected: + virtual BlockCipher & AccessCipher() =0; + virtual int DefaultDigestSize() const =0; + const BlockCipher & GetCipher() const {return const_cast<VMAC_Base *>(this)->AccessCipher();} + void HashEndianCorrectedBlock(const word64 *data); + size_t HashMultipleBlocks(const word64 *input, size_t length); + void Init() {} + word64* StateBuf() {return NULL;} + word64* DataBuf() {return (word64 *)m_data();} + + void VHASH_Update_SSE2(const word64 *data, size_t blocksRemainingInWord64, int tagPart); +#if !(defined(_MSC_VER) && _MSC_VER < 1300) // can't use function template here with VC6 + template <bool T_128BitTag> +#endif + void VHASH_Update_Template(const word64 *data, size_t blockRemainingInWord128); + void VHASH_Update(const word64 *data, size_t blocksRemainingInWord128); + + CRYPTOPP_BLOCK_1(polyState, word64, 4*(m_is128+1)) + CRYPTOPP_BLOCK_2(nhKey, word64, m_L1KeyLength/sizeof(word64) + 2*m_is128) + CRYPTOPP_BLOCK_3(data, byte, m_L1KeyLength) + CRYPTOPP_BLOCK_4(l3Key, word64, 2*(m_is128+1)) + CRYPTOPP_BLOCK_5(nonce, byte, IVSize()) + CRYPTOPP_BLOCK_6(pad, byte, IVSize()) + CRYPTOPP_BLOCKS_END(6) + + bool m_is128, m_padCached, m_isFirstBlock; + int m_L1KeyLength; +}; + +/// <a href="http://www.cryptolounge.org/wiki/VMAC">VMAC</a> +template <class T_BlockCipher, int T_DigestBitSize = 128> +class VMAC : public SimpleKeyingInterfaceImpl<VMAC_Base, SameKeyLengthAs<T_BlockCipher, SimpleKeyingInterface::UNIQUE_IV, T_BlockCipher::BLOCKSIZE> > +{ +public: + static std::string StaticAlgorithmName() {return std::string("VMAC(") + T_BlockCipher::StaticAlgorithmName() + ")-" + IntToString(T_DigestBitSize);} + +private: + BlockCipher & AccessCipher() {return m_cipher;} + int DefaultDigestSize() const {return T_DigestBitSize/8;} + typename T_BlockCipher::Encryption m_cipher; +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/wait.cpp b/CryptoPP/wait.cpp new file mode 100644 index 000000000..198785838 --- /dev/null +++ b/CryptoPP/wait.cpp @@ -0,0 +1,397 @@ +// wait.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "wait.h" +#include "misc.h" + +#ifdef SOCKETS_AVAILABLE + +#ifdef USE_BERKELEY_STYLE_SOCKETS +#include <errno.h> +#include <sys/types.h> +#include <sys/time.h> +#include <unistd.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +unsigned int WaitObjectContainer::MaxWaitObjects() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + return MAXIMUM_WAIT_OBJECTS * (MAXIMUM_WAIT_OBJECTS-1); +#else + return FD_SETSIZE; +#endif +} + +WaitObjectContainer::WaitObjectContainer(WaitObjectsTracer* tracer) + : m_tracer(tracer), m_eventTimer(Timer::MILLISECONDS) + , m_sameResultCount(0), m_noWaitTimer(Timer::MILLISECONDS) +{ + Clear(); + m_eventTimer.StartTimer(); +} + +void WaitObjectContainer::Clear() +{ +#ifdef USE_WINDOWS_STYLE_SOCKETS + m_handles.clear(); +#else + m_maxFd = 0; + FD_ZERO(&m_readfds); + FD_ZERO(&m_writefds); +#endif + m_noWait = false; + m_firstEventTime = 0; +} + +inline void WaitObjectContainer::SetLastResult(LastResultType result) +{ + if (result == m_lastResult) + m_sameResultCount++; + else + { + m_lastResult = result; + m_sameResultCount = 0; + } +} + +void WaitObjectContainer::DetectNoWait(LastResultType result, CallStack const& callStack) +{ + if (result == m_lastResult && m_noWaitTimer.ElapsedTime() > 1000) + { + if (m_sameResultCount > m_noWaitTimer.ElapsedTime()) + { + if (m_tracer) + { + std::string desc = "No wait loop detected - m_lastResult: "; + desc.append(IntToString(m_lastResult)).append(", call stack:"); + for (CallStack const* cs = &callStack; cs; cs = cs->Prev()) + desc.append("\n- ").append(cs->Format()); + m_tracer->TraceNoWaitLoop(desc); + } + try { throw 0; } catch (...) {} // help debugger break + } + + m_noWaitTimer.StartTimer(); + m_sameResultCount = 0; + } +} + +void WaitObjectContainer::SetNoWait(CallStack const& callStack) +{ + DetectNoWait(LASTRESULT_NOWAIT, CallStack("WaitObjectContainer::SetNoWait()", &callStack)); + m_noWait = true; +} + +void WaitObjectContainer::ScheduleEvent(double milliseconds, CallStack const& callStack) +{ + if (milliseconds <= 3) + DetectNoWait(LASTRESULT_SCHEDULED, CallStack("WaitObjectContainer::ScheduleEvent()", &callStack)); + double thisEventTime = m_eventTimer.ElapsedTimeAsDouble() + milliseconds; + if (!m_firstEventTime || thisEventTime < m_firstEventTime) + m_firstEventTime = thisEventTime; +} + +#ifdef USE_WINDOWS_STYLE_SOCKETS + +struct WaitingThreadData +{ + bool waitingToWait, terminate; + HANDLE startWaiting, stopWaiting; + const HANDLE *waitHandles; + unsigned int count; + HANDLE threadHandle; + DWORD threadId; + DWORD* error; +}; + +WaitObjectContainer::~WaitObjectContainer() +{ + try // don't let exceptions escape destructor + { + if (!m_threads.empty()) + { + HANDLE threadHandles[MAXIMUM_WAIT_OBJECTS]; + unsigned int i; + for (i=0; i<m_threads.size(); i++) + { + WaitingThreadData &thread = *m_threads[i]; + while (!thread.waitingToWait) // spin until thread is in the initial "waiting to wait" state + Sleep(0); + thread.terminate = true; + threadHandles[i] = thread.threadHandle; + } + PulseEvent(m_startWaiting); + ::WaitForMultipleObjects((DWORD)m_threads.size(), threadHandles, TRUE, INFINITE); + for (i=0; i<m_threads.size(); i++) + CloseHandle(threadHandles[i]); + CloseHandle(m_startWaiting); + CloseHandle(m_stopWaiting); + } + } + catch (...) + { + } +} + + +void WaitObjectContainer::AddHandle(HANDLE handle, CallStack const& callStack) +{ + DetectNoWait(m_handles.size(), CallStack("WaitObjectContainer::AddHandle()", &callStack)); + m_handles.push_back(handle); +} + +DWORD WINAPI WaitingThread(LPVOID lParam) +{ + std::auto_ptr<WaitingThreadData> pThread((WaitingThreadData *)lParam); + WaitingThreadData &thread = *pThread; + std::vector<HANDLE> handles; + + while (true) + { + thread.waitingToWait = true; + ::WaitForSingleObject(thread.startWaiting, INFINITE); + thread.waitingToWait = false; + + if (thread.terminate) + break; + if (!thread.count) + continue; + + handles.resize(thread.count + 1); + handles[0] = thread.stopWaiting; + std::copy(thread.waitHandles, thread.waitHandles+thread.count, handles.begin()+1); + + DWORD result = ::WaitForMultipleObjects((DWORD)handles.size(), &handles[0], FALSE, INFINITE); + + if (result == WAIT_OBJECT_0) + continue; // another thread finished waiting first, so do nothing + SetEvent(thread.stopWaiting); + if (!(result > WAIT_OBJECT_0 && result < WAIT_OBJECT_0 + handles.size())) + { + assert(!"error in WaitingThread"); // break here so we can see which thread has an error + *thread.error = ::GetLastError(); + } + } + + return S_OK; // return a value here to avoid compiler warning +} + +void WaitObjectContainer::CreateThreads(unsigned int count) +{ + size_t currentCount = m_threads.size(); + if (currentCount == 0) + { + m_startWaiting = ::CreateEvent(NULL, TRUE, FALSE, NULL); + m_stopWaiting = ::CreateEvent(NULL, TRUE, FALSE, NULL); + } + + if (currentCount < count) + { + m_threads.resize(count); + for (size_t i=currentCount; i<count; i++) + { + m_threads[i] = new WaitingThreadData; + WaitingThreadData &thread = *m_threads[i]; + thread.terminate = false; + thread.startWaiting = m_startWaiting; + thread.stopWaiting = m_stopWaiting; + thread.waitingToWait = false; + thread.threadHandle = CreateThread(NULL, 0, &WaitingThread, &thread, 0, &thread.threadId); + } + } +} + +bool WaitObjectContainer::Wait(unsigned long milliseconds) +{ + if (m_noWait || (m_handles.empty() && !m_firstEventTime)) + { + SetLastResult(LASTRESULT_NOWAIT); + return true; + } + + bool timeoutIsScheduledEvent = false; + + if (m_firstEventTime) + { + double timeToFirstEvent = SaturatingSubtract(m_firstEventTime, m_eventTimer.ElapsedTimeAsDouble()); + + if (timeToFirstEvent <= milliseconds) + { + milliseconds = (unsigned long)timeToFirstEvent; + timeoutIsScheduledEvent = true; + } + + if (m_handles.empty() || !milliseconds) + { + if (milliseconds) + Sleep(milliseconds); + SetLastResult(timeoutIsScheduledEvent ? LASTRESULT_SCHEDULED : LASTRESULT_TIMEOUT); + return timeoutIsScheduledEvent; + } + } + + if (m_handles.size() > MAXIMUM_WAIT_OBJECTS) + { + // too many wait objects for a single WaitForMultipleObjects call, so use multiple threads + static const unsigned int WAIT_OBJECTS_PER_THREAD = MAXIMUM_WAIT_OBJECTS-1; + unsigned int nThreads = (unsigned int)((m_handles.size() + WAIT_OBJECTS_PER_THREAD - 1) / WAIT_OBJECTS_PER_THREAD); + if (nThreads > MAXIMUM_WAIT_OBJECTS) // still too many wait objects, maybe implement recursive threading later? + throw Err("WaitObjectContainer: number of wait objects exceeds limit"); + CreateThreads(nThreads); + DWORD error = S_OK; + + for (unsigned int i=0; i<m_threads.size(); i++) + { + WaitingThreadData &thread = *m_threads[i]; + while (!thread.waitingToWait) // spin until thread is in the initial "waiting to wait" state + Sleep(0); + if (i<nThreads) + { + thread.waitHandles = &m_handles[i*WAIT_OBJECTS_PER_THREAD]; + thread.count = UnsignedMin(WAIT_OBJECTS_PER_THREAD, m_handles.size() - i*WAIT_OBJECTS_PER_THREAD); + thread.error = &error; + } + else + thread.count = 0; + } + + ResetEvent(m_stopWaiting); + PulseEvent(m_startWaiting); + + DWORD result = ::WaitForSingleObject(m_stopWaiting, milliseconds); + if (result == WAIT_OBJECT_0) + { + if (error == S_OK) + return true; + else + throw Err("WaitObjectContainer: WaitForMultipleObjects in thread failed with error " + IntToString(error)); + } + SetEvent(m_stopWaiting); + if (result == WAIT_TIMEOUT) + { + SetLastResult(timeoutIsScheduledEvent ? LASTRESULT_SCHEDULED : LASTRESULT_TIMEOUT); + return timeoutIsScheduledEvent; + } + else + throw Err("WaitObjectContainer: WaitForSingleObject failed with error " + IntToString(::GetLastError())); + } + else + { +#if TRACE_WAIT + static Timer t(Timer::MICROSECONDS); + static unsigned long lastTime = 0; + unsigned long timeBeforeWait = t.ElapsedTime(); +#endif + DWORD result = ::WaitForMultipleObjects((DWORD)m_handles.size(), &m_handles[0], FALSE, milliseconds); +#if TRACE_WAIT + if (milliseconds > 0) + { + unsigned long timeAfterWait = t.ElapsedTime(); + OutputDebugString(("Handles " + IntToString(m_handles.size()) + ", Woke up by " + IntToString(result-WAIT_OBJECT_0) + ", Busied for " + IntToString(timeBeforeWait-lastTime) + " us, Waited for " + IntToString(timeAfterWait-timeBeforeWait) + " us, max " + IntToString(milliseconds) + "ms\n").c_str()); + lastTime = timeAfterWait; + } +#endif + if (result >= WAIT_OBJECT_0 && result < WAIT_OBJECT_0 + m_handles.size()) + { + if (result == m_lastResult) + m_sameResultCount++; + else + { + m_lastResult = result; + m_sameResultCount = 0; + } + return true; + } + else if (result == WAIT_TIMEOUT) + { + SetLastResult(timeoutIsScheduledEvent ? LASTRESULT_SCHEDULED : LASTRESULT_TIMEOUT); + return timeoutIsScheduledEvent; + } + else + throw Err("WaitObjectContainer: WaitForMultipleObjects failed with error " + IntToString(::GetLastError())); + } +} + +#else // #ifdef USE_WINDOWS_STYLE_SOCKETS + +void WaitObjectContainer::AddReadFd(int fd, CallStack const& callStack) // TODO: do something with callStack +{ + FD_SET(fd, &m_readfds); + m_maxFd = STDMAX(m_maxFd, fd); +} + +void WaitObjectContainer::AddWriteFd(int fd, CallStack const& callStack) // TODO: do something with callStack +{ + FD_SET(fd, &m_writefds); + m_maxFd = STDMAX(m_maxFd, fd); +} + +bool WaitObjectContainer::Wait(unsigned long milliseconds) +{ + if (m_noWait || (!m_maxFd && !m_firstEventTime)) + return true; + + bool timeoutIsScheduledEvent = false; + + if (m_firstEventTime) + { + double timeToFirstEvent = SaturatingSubtract(m_firstEventTime, m_eventTimer.ElapsedTimeAsDouble()); + if (timeToFirstEvent <= milliseconds) + { + milliseconds = (unsigned long)timeToFirstEvent; + timeoutIsScheduledEvent = true; + } + } + + timeval tv, *timeout; + + if (milliseconds == INFINITE_TIME) + timeout = NULL; + else + { + tv.tv_sec = milliseconds / 1000; + tv.tv_usec = (milliseconds % 1000) * 1000; + timeout = &tv; + } + + int result = select(m_maxFd+1, &m_readfds, &m_writefds, NULL, timeout); + + if (result > 0) + return true; + else if (result == 0) + return timeoutIsScheduledEvent; + else + throw Err("WaitObjectContainer: select failed with error " + errno); +} + +#endif + +// ******************************************************** + +std::string CallStack::Format() const +{ + return m_info; +} + +std::string CallStackWithNr::Format() const +{ + return std::string(m_info) + " / nr: " + IntToString(m_nr); +} + +std::string CallStackWithStr::Format() const +{ + return std::string(m_info) + " / " + std::string(m_z); +} + +bool Waitable::Wait(unsigned long milliseconds, CallStack const& callStack) +{ + WaitObjectContainer container; + GetWaitObjects(container, callStack); // reduce clutter by not adding this func to stack + return container.Wait(milliseconds); +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/wait.h b/CryptoPP/wait.h new file mode 100644 index 000000000..045afbc18 --- /dev/null +++ b/CryptoPP/wait.h @@ -0,0 +1,208 @@ +#ifndef CRYPTOPP_WAIT_H +#define CRYPTOPP_WAIT_H + +#include "config.h" + +#ifdef SOCKETS_AVAILABLE + +#include "misc.h" +#include "cryptlib.h" +#include <vector> + +#ifdef USE_WINDOWS_STYLE_SOCKETS +#include <winsock2.h> +#else +#include <sys/types.h> +#endif + +#include "hrtimer.h" + +NAMESPACE_BEGIN(CryptoPP) + +class Tracer +{ +public: + Tracer(unsigned int level) : m_level(level) {} + virtual ~Tracer() {} + +protected: + //! Override this in your most-derived tracer to do the actual tracing. + virtual void Trace(unsigned int n, std::string const& s) = 0; + + /*! By default, tracers will decide which trace messages to trace according to a trace level + mechanism. If your most-derived tracer uses a different mechanism, override this to + return false. If this method returns false, the default TraceXxxx(void) methods will all + return 0 and must be overridden explicitly by your tracer for trace messages you want. */ + virtual bool UsingDefaults() const { return true; } + +protected: + unsigned int m_level; + + void TraceIf(unsigned int n, std::string const&s) + { if (n) Trace(n, s); } + + /*! Returns nr if, according to the default log settings mechanism (using log levels), + the message should be traced. Returns 0 if the default trace level mechanism is not + in use, or if it is in use but the event should not be traced. Provided as a utility + method for easier and shorter coding of default TraceXxxx(void) implementations. */ + unsigned int Tracing(unsigned int nr, unsigned int minLevel) const + { return (UsingDefaults() && m_level >= minLevel) ? nr : 0; } +}; + +// Your Tracer-derived class should inherit as virtual public from Tracer or another +// Tracer-derived class, and should pass the log level in its constructor. You can use the +// following methods to begin and end your Tracer definition. + +// This constructor macro initializes Tracer directly even if not derived directly from it; +// this is intended, virtual base classes are always initialized by the most derived class. +#define CRYPTOPP_TRACER_CONSTRUCTOR(DERIVED) \ + public: DERIVED(unsigned int level = 0) : Tracer(level) {} + +#define CRYPTOPP_BEGIN_TRACER_CLASS_1(DERIVED, BASE1) \ + class DERIVED : virtual public BASE1 { CRYPTOPP_TRACER_CONSTRUCTOR(DERIVED) + +#define CRYPTOPP_BEGIN_TRACER_CLASS_2(DERIVED, BASE1, BASE2) \ + class DERIVED : virtual public BASE1, virtual public BASE2 { CRYPTOPP_TRACER_CONSTRUCTOR(DERIVED) + +#define CRYPTOPP_END_TRACER_CLASS }; + +// In your Tracer-derived class, you should define a globally unique event number for each +// new event defined. This can be done using the following macros. + +#define CRYPTOPP_BEGIN_TRACER_EVENTS(UNIQUENR) enum { EVENTBASE = UNIQUENR, +#define CRYPTOPP_TRACER_EVENT(EVENTNAME) EventNr_##EVENTNAME, +#define CRYPTOPP_END_TRACER_EVENTS }; + +// In your own Tracer-derived class, you must define two methods per new trace event type: +// - unsigned int TraceXxxx() const +// Your default implementation of this method should return the event number if according +// to the default trace level system the event should be traced, or 0 if it should not. +// - void TraceXxxx(string const& s) +// This method should call TraceIf(TraceXxxx(), s); to do the tracing. +// For your convenience, a macro to define these two types of methods are defined below. +// If you use this macro, you should also use the TRACER_EVENTS macros above to associate +// event names with numbers. + +#define CRYPTOPP_TRACER_EVENT_METHODS(EVENTNAME, LOGLEVEL) \ + virtual unsigned int Trace##EVENTNAME() const { return Tracing(EventNr_##EVENTNAME, LOGLEVEL); } \ + virtual void Trace##EVENTNAME(std::string const& s) { TraceIf(Trace##EVENTNAME(), s); } + + +/*! A simple unidirectional linked list with m_prev == 0 to indicate the final entry. + The aim of this implementation is to provide a very lightweight and practical + tracing mechanism with a low performance impact. Functions and methods supporting + this call-stack mechanism would take a parameter of the form "CallStack const& callStack", + and would pass this parameter to subsequent functions they call using the construct: + + SubFunc(arg1, arg2, CallStack("my func at place such and such", &callStack)); + + The advantage of this approach is that it is easy to use and should be very efficient, + involving no allocation from the heap, just a linked list of stack objects containing + pointers to static ASCIIZ strings (or possibly additional but simple data if derived). */ +class CallStack +{ +public: + CallStack(char const* i, CallStack const* p) : m_info(i), m_prev(p) {} + CallStack const* Prev() const { return m_prev; } + virtual std::string Format() const; + +protected: + char const* m_info; + CallStack const* m_prev; +}; + +/*! An extended CallStack entry type with an additional numeric parameter. */ +class CallStackWithNr : public CallStack +{ +public: + CallStackWithNr(char const* i, word32 n, CallStack const* p) : CallStack(i, p), m_nr(n) {} + std::string Format() const; + +protected: + word32 m_nr; +}; + +/*! An extended CallStack entry type with an additional string parameter. */ +class CallStackWithStr : public CallStack +{ +public: + CallStackWithStr(char const* i, char const* z, CallStack const* p) : CallStack(i, p), m_z(z) {} + std::string Format() const; + +protected: + char const* m_z; +}; + +CRYPTOPP_BEGIN_TRACER_CLASS_1(WaitObjectsTracer, Tracer) + CRYPTOPP_BEGIN_TRACER_EVENTS(0x48752841) + CRYPTOPP_TRACER_EVENT(NoWaitLoop) + CRYPTOPP_END_TRACER_EVENTS + CRYPTOPP_TRACER_EVENT_METHODS(NoWaitLoop, 1) +CRYPTOPP_END_TRACER_CLASS + +struct WaitingThreadData; + +//! container of wait objects +class WaitObjectContainer : public NotCopyable +{ +public: + //! exception thrown by WaitObjectContainer + class Err : public Exception + { + public: + Err(const std::string& s) : Exception(IO_ERROR, s) {} + }; + + static unsigned int MaxWaitObjects(); + + WaitObjectContainer(WaitObjectsTracer* tracer = 0); + + void Clear(); + void SetNoWait(CallStack const& callStack); + void ScheduleEvent(double milliseconds, CallStack const& callStack); + // returns false if timed out + bool Wait(unsigned long milliseconds); + +#ifdef USE_WINDOWS_STYLE_SOCKETS + ~WaitObjectContainer(); + void AddHandle(HANDLE handle, CallStack const& callStack); +#else + void AddReadFd(int fd, CallStack const& callStack); + void AddWriteFd(int fd, CallStack const& callStack); +#endif + +private: + WaitObjectsTracer* m_tracer; + +#ifdef USE_WINDOWS_STYLE_SOCKETS + void CreateThreads(unsigned int count); + std::vector<HANDLE> m_handles; + std::vector<WaitingThreadData *> m_threads; + HANDLE m_startWaiting; + HANDLE m_stopWaiting; +#else + fd_set m_readfds, m_writefds; + int m_maxFd; +#endif + bool m_noWait; + double m_firstEventTime; + Timer m_eventTimer; + +#ifdef USE_WINDOWS_STYLE_SOCKETS + typedef size_t LastResultType; +#else + typedef int LastResultType; +#endif + enum { LASTRESULT_NOWAIT = -1, LASTRESULT_SCHEDULED = -2, LASTRESULT_TIMEOUT = -3 }; + LastResultType m_lastResult; + unsigned int m_sameResultCount; + Timer m_noWaitTimer; + void SetLastResult(LastResultType result); + void DetectNoWait(LastResultType result, CallStack const& callStack); +}; + +NAMESPACE_END + +#endif + +#endif diff --git a/CryptoPP/wake.cpp b/CryptoPP/wake.cpp new file mode 100644 index 000000000..c34165b8c --- /dev/null +++ b/CryptoPP/wake.cpp @@ -0,0 +1,109 @@ +// wake.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "wake.h" + +NAMESPACE_BEGIN(CryptoPP) + +void WAKE_TestInstantiations() +{ + WAKE_OFB<>::Encryption x2; + WAKE_OFB<>::Decryption x4; +} + +inline word32 WAKE_Base::M(word32 x, word32 y) +{ + word32 w = x+y; + return (w>>8) ^ t[w & 0xff]; +} + +void WAKE_Base::GenKey(word32 k0, word32 k1, word32 k2, word32 k3) +{ + // this code is mostly copied from David Wheeler's paper "A Bulk Data Encryption Algorithm" + signed int x, z, p; + // x and z were declared as "long" in Wheeler's paper, which is a signed type. I don't know if that was intentional, but it's too late to change it now. -- Wei 7/4/2010 + CRYPTOPP_COMPILE_ASSERT(sizeof(x) == 4); + static int tt[10]= { + 0x726a8f3b, // table + 0xe69a3b5c, + 0xd3c71fe5, + 0xab3c73d2, + 0x4d3a8eb3, + 0x0396d6e8, + 0x3d4c2f7a, + 0x9ee27cf3, } ; + t[0] = k0; + t[1] = k1; + t[2] = k2; + t[3] = k3; + for (p=4 ; p<256 ; p++) + { + x=t[p-4]+t[p-1] ; // fill t + t[p]= (x>>3) ^ tt[x&7] ; + } + + for (p=0 ; p<23 ; p++) + t[p]+=t[p+89] ; // mix first entries + x=t[33] ; z=t[59] | 0x01000001 ; + z=z&0xff7fffff ; + for (p=0 ; p<256 ; p++) { //change top byte to + x=(x&0xff7fffff)+z ; // a permutation etc + t[p]=(t[p] & 0x00ffffff) ^ x ; } + + t[256]=t[0] ; + byte y=byte(x); + for (p=0 ; p<256 ; p++) { // further change perm. + t[p]=t[y=byte(t[p^y]^y)] ; // and other digits + t[y]=t[p+1] ; } +} + +template <class B> +void WAKE_Policy<B>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) +{ + word32 k0, k1, k2, k3; + BlockGetAndPut<word32, BigEndian>::Get(key)(r3)(r4)(r5)(r6)(k0)(k1)(k2)(k3); + GenKey(k0, k1, k2, k3); +} + +// OFB +template <class B> +void WAKE_Policy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) +{ +#define WAKE_OUTPUT(x)\ + while (iterationCount--)\ + {\ + CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, r6);\ + r3 = M(r3, r6);\ + r4 = M(r4, r3);\ + r5 = M(r5, r4);\ + r6 = M(r6, r5);\ + output += 4;\ + if (!(x & INPUT_NULL))\ + input += 4;\ + } + + typedef word32 WordType; + CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(WAKE_OUTPUT, 0); +} +/* +template <class B> +void WAKE_ROFB_Policy<B>::Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount) +{ + KeystreamOutput<B> keystreamOperation(operation, output, input); + + while (iterationCount--) + { + keystreamOperation(r6); + r3 = M(r3, r6); + r4 = M(r4, r3); + r5 = M(r5, r4); + r6 = M(r6, r5); + } +} +*/ +template class WAKE_Policy<BigEndian>; +template class WAKE_Policy<LittleEndian>; +//template class WAKE_ROFB_Policy<BigEndian>; +//template class WAKE_ROFB_Policy<LittleEndian>; + +NAMESPACE_END diff --git a/CryptoPP/wake.h b/CryptoPP/wake.h new file mode 100644 index 000000000..199957d14 --- /dev/null +++ b/CryptoPP/wake.h @@ -0,0 +1,63 @@ +#ifndef CRYPTOPP_WAKE_H +#define CRYPTOPP_WAKE_H + +#include "seckey.h" +#include "secblock.h" +#include "strciphr.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +template <class B = BigEndian> +struct WAKE_OFB_Info : public FixedKeyLength<32> +{ + static const char *StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "WAKE-OFB-LE" : "WAKE-OFB-BE";} +}; + +class CRYPTOPP_NO_VTABLE WAKE_Base +{ +protected: + word32 M(word32 x, word32 y); + void GenKey(word32 k0, word32 k1, word32 k2, word32 k3); + + word32 t[257]; + word32 r3, r4, r5, r6; +}; + +template <class B = BigEndian> +class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base +{ +protected: + void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); + // OFB + void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); + bool CipherIsRandomAccess() const {return false;} +}; + +//! WAKE-OFB +template <class B = BigEndian> +struct WAKE_OFB : public WAKE_OFB_Info<B>, public SymmetricCipherDocumentation +{ + typedef SymmetricCipherFinal<ConcretePolicyHolder<WAKE_Policy<B>, AdditiveCipherTemplate<> >, WAKE_OFB_Info<B> > Encryption; + typedef Encryption Decryption; +}; + +/* +template <class B = BigEndian> +class WAKE_ROFB_Policy : public WAKE_Policy<B> +{ +protected: + void Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount); +}; + +template <class B = BigEndian> +struct WAKE_ROFB : public WAKE_Info<B> +{ + typedef SymmetricCipherTemplate<ConcretePolicyHolder<AdditiveCipherTemplate<>, WAKE_ROFB_Policy<B> > > Encryption; + typedef Encryption Decryption; +}; +*/ + +NAMESPACE_END + +#endif diff --git a/CryptoPP/whrlpool.cpp b/CryptoPP/whrlpool.cpp new file mode 100644 index 000000000..9da12e3da --- /dev/null +++ b/CryptoPP/whrlpool.cpp @@ -0,0 +1,701 @@ +// whrlpool.cpp - originally modified by Kevin Springle from +// Paulo Barreto and Vincent Rijmen's public domain code, whirlpool.c. +// Updated to Whirlpool version 3.0, optimized and SSE version added by Wei Dai +// All modifications are placed in the public domain + +// This is the original introductory comment: + +/** + * The Whirlpool hashing function. + * + * <P> + * <b>References</b> + * + * <P> + * The Whirlpool algorithm was developed by + * <a href="mailto:pbarreto@scopus.com.br">Paulo S. L. M. Barreto</a> and + * <a href="mailto:vincent.rijmen@cryptomathic.com">Vincent Rijmen</a>. + * + * See + * P.S.L.M. Barreto, V. Rijmen, + * ``The Whirlpool hashing function,'' + * NESSIE submission, 2000 (tweaked version, 2001), + * <https://www.cosic.esat.kuleuven.ac.be/nessie/workshop/submissions/whirlpool.zip> + * + * @author Paulo S.L.M. Barreto + * @author Vincent Rijmen. + * + * @version 3.0 (2003.03.12) + * + * ============================================================================= + * + * Differences from version 2.1: + * + * - Suboptimal diffusion matrix replaced by cir(1, 1, 4, 1, 8, 5, 2, 9). + * + * ============================================================================= + * + * Differences from version 2.0: + * + * - Generation of ISO/IEC 10118-3 test vectors. + * - Bug fix: nonzero carry was ignored when tallying the data length + * (this bug apparently only manifested itself when feeding data + * in pieces rather than in a single chunk at once). + * - Support for MS Visual C++ 64-bit integer arithmetic. + * + * Differences from version 1.0: + * + * - Original S-box replaced by the tweaked, hardware-efficient version. + * + * ============================================================================= + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "pch.h" +#include "whrlpool.h" +#include "misc.h" +#include "cpu.h" + +NAMESPACE_BEGIN(CryptoPP) + +void Whirlpool_TestInstantiations() +{ + Whirlpool x; +} + +void Whirlpool::InitState(HashWordType *state) +{ + memset(state, 0, 8*sizeof(state[0])); +} + +void Whirlpool::TruncatedFinal(byte *hash, size_t size) +{ + ThrowIfInvalidTruncatedSize(size); + + PadLastBlock(32); + CorrectEndianess(m_data, m_data, 32); + + m_data[m_data.size()-4] = 0; + m_data[m_data.size()-3] = 0; + m_data[m_data.size()-2] = GetBitCountHi(); + m_data[m_data.size()-1] = GetBitCountLo(); + + Transform(m_state, m_data); + CorrectEndianess(m_state, m_state, DigestSize()); + memcpy(hash, m_state, size); + + Restart(); // reinit for next use +} + +/* + * The number of rounds of the internal dedicated block cipher. + */ +#define R 10 + +/* + * Though Whirlpool is endianness-neutral, the encryption tables are listed + * in BIG-ENDIAN format, which is adopted throughout this implementation + * (but little-endian notation would be equally suitable if consistently + * employed). + */ + +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +CRYPTOPP_ALIGN_DATA(16) static const word64 Whirlpool_C[4*256+R] CRYPTOPP_SECTION_ALIGN16 = { +#else +static const word64 Whirlpool_C[4*256+R] = { +#endif + W64LIT(0x18186018c07830d8), W64LIT(0x23238c2305af4626), W64LIT(0xc6c63fc67ef991b8), W64LIT(0xe8e887e8136fcdfb), + W64LIT(0x878726874ca113cb), W64LIT(0xb8b8dab8a9626d11), W64LIT(0x0101040108050209), W64LIT(0x4f4f214f426e9e0d), + W64LIT(0x3636d836adee6c9b), W64LIT(0xa6a6a2a6590451ff), W64LIT(0xd2d26fd2debdb90c), W64LIT(0xf5f5f3f5fb06f70e), + W64LIT(0x7979f979ef80f296), W64LIT(0x6f6fa16f5fcede30), W64LIT(0x91917e91fcef3f6d), W64LIT(0x52525552aa07a4f8), + W64LIT(0x60609d6027fdc047), W64LIT(0xbcbccabc89766535), W64LIT(0x9b9b569baccd2b37), W64LIT(0x8e8e028e048c018a), + W64LIT(0xa3a3b6a371155bd2), W64LIT(0x0c0c300c603c186c), W64LIT(0x7b7bf17bff8af684), W64LIT(0x3535d435b5e16a80), + W64LIT(0x1d1d741de8693af5), W64LIT(0xe0e0a7e05347ddb3), W64LIT(0xd7d77bd7f6acb321), W64LIT(0xc2c22fc25eed999c), + W64LIT(0x2e2eb82e6d965c43), W64LIT(0x4b4b314b627a9629), W64LIT(0xfefedffea321e15d), W64LIT(0x575741578216aed5), + W64LIT(0x15155415a8412abd), W64LIT(0x7777c1779fb6eee8), W64LIT(0x3737dc37a5eb6e92), W64LIT(0xe5e5b3e57b56d79e), + W64LIT(0x9f9f469f8cd92313), W64LIT(0xf0f0e7f0d317fd23), W64LIT(0x4a4a354a6a7f9420), W64LIT(0xdada4fda9e95a944), + W64LIT(0x58587d58fa25b0a2), W64LIT(0xc9c903c906ca8fcf), W64LIT(0x2929a429558d527c), W64LIT(0x0a0a280a5022145a), + W64LIT(0xb1b1feb1e14f7f50), W64LIT(0xa0a0baa0691a5dc9), W64LIT(0x6b6bb16b7fdad614), W64LIT(0x85852e855cab17d9), + W64LIT(0xbdbdcebd8173673c), W64LIT(0x5d5d695dd234ba8f), W64LIT(0x1010401080502090), W64LIT(0xf4f4f7f4f303f507), + W64LIT(0xcbcb0bcb16c08bdd), W64LIT(0x3e3ef83eedc67cd3), W64LIT(0x0505140528110a2d), W64LIT(0x676781671fe6ce78), + W64LIT(0xe4e4b7e47353d597), W64LIT(0x27279c2725bb4e02), W64LIT(0x4141194132588273), W64LIT(0x8b8b168b2c9d0ba7), + W64LIT(0xa7a7a6a7510153f6), W64LIT(0x7d7de97dcf94fab2), W64LIT(0x95956e95dcfb3749), W64LIT(0xd8d847d88e9fad56), + W64LIT(0xfbfbcbfb8b30eb70), W64LIT(0xeeee9fee2371c1cd), W64LIT(0x7c7ced7cc791f8bb), W64LIT(0x6666856617e3cc71), + W64LIT(0xdddd53dda68ea77b), W64LIT(0x17175c17b84b2eaf), W64LIT(0x4747014702468e45), W64LIT(0x9e9e429e84dc211a), + W64LIT(0xcaca0fca1ec589d4), W64LIT(0x2d2db42d75995a58), W64LIT(0xbfbfc6bf9179632e), W64LIT(0x07071c07381b0e3f), + W64LIT(0xadad8ead012347ac), W64LIT(0x5a5a755aea2fb4b0), W64LIT(0x838336836cb51bef), W64LIT(0x3333cc3385ff66b6), + W64LIT(0x636391633ff2c65c), W64LIT(0x02020802100a0412), W64LIT(0xaaaa92aa39384993), W64LIT(0x7171d971afa8e2de), + W64LIT(0xc8c807c80ecf8dc6), W64LIT(0x19196419c87d32d1), W64LIT(0x494939497270923b), W64LIT(0xd9d943d9869aaf5f), + W64LIT(0xf2f2eff2c31df931), W64LIT(0xe3e3abe34b48dba8), W64LIT(0x5b5b715be22ab6b9), W64LIT(0x88881a8834920dbc), + W64LIT(0x9a9a529aa4c8293e), W64LIT(0x262698262dbe4c0b), W64LIT(0x3232c8328dfa64bf), W64LIT(0xb0b0fab0e94a7d59), + W64LIT(0xe9e983e91b6acff2), W64LIT(0x0f0f3c0f78331e77), W64LIT(0xd5d573d5e6a6b733), W64LIT(0x80803a8074ba1df4), + W64LIT(0xbebec2be997c6127), W64LIT(0xcdcd13cd26de87eb), W64LIT(0x3434d034bde46889), W64LIT(0x48483d487a759032), + W64LIT(0xffffdbffab24e354), W64LIT(0x7a7af57af78ff48d), W64LIT(0x90907a90f4ea3d64), W64LIT(0x5f5f615fc23ebe9d), + W64LIT(0x202080201da0403d), W64LIT(0x6868bd6867d5d00f), W64LIT(0x1a1a681ad07234ca), W64LIT(0xaeae82ae192c41b7), + W64LIT(0xb4b4eab4c95e757d), W64LIT(0x54544d549a19a8ce), W64LIT(0x93937693ece53b7f), W64LIT(0x222288220daa442f), + W64LIT(0x64648d6407e9c863), W64LIT(0xf1f1e3f1db12ff2a), W64LIT(0x7373d173bfa2e6cc), W64LIT(0x12124812905a2482), + W64LIT(0x40401d403a5d807a), W64LIT(0x0808200840281048), W64LIT(0xc3c32bc356e89b95), W64LIT(0xecec97ec337bc5df), + W64LIT(0xdbdb4bdb9690ab4d), W64LIT(0xa1a1bea1611f5fc0), W64LIT(0x8d8d0e8d1c830791), W64LIT(0x3d3df43df5c97ac8), + W64LIT(0x97976697ccf1335b), W64LIT(0x0000000000000000), W64LIT(0xcfcf1bcf36d483f9), W64LIT(0x2b2bac2b4587566e), + W64LIT(0x7676c57697b3ece1), W64LIT(0x8282328264b019e6), W64LIT(0xd6d67fd6fea9b128), W64LIT(0x1b1b6c1bd87736c3), + W64LIT(0xb5b5eeb5c15b7774), W64LIT(0xafaf86af112943be), W64LIT(0x6a6ab56a77dfd41d), W64LIT(0x50505d50ba0da0ea), + W64LIT(0x45450945124c8a57), W64LIT(0xf3f3ebf3cb18fb38), W64LIT(0x3030c0309df060ad), W64LIT(0xefef9bef2b74c3c4), + W64LIT(0x3f3ffc3fe5c37eda), W64LIT(0x55554955921caac7), W64LIT(0xa2a2b2a2791059db), W64LIT(0xeaea8fea0365c9e9), + W64LIT(0x656589650fecca6a), W64LIT(0xbabad2bab9686903), W64LIT(0x2f2fbc2f65935e4a), W64LIT(0xc0c027c04ee79d8e), + W64LIT(0xdede5fdebe81a160), W64LIT(0x1c1c701ce06c38fc), W64LIT(0xfdfdd3fdbb2ee746), W64LIT(0x4d4d294d52649a1f), + W64LIT(0x92927292e4e03976), W64LIT(0x7575c9758fbceafa), W64LIT(0x06061806301e0c36), W64LIT(0x8a8a128a249809ae), + W64LIT(0xb2b2f2b2f940794b), W64LIT(0xe6e6bfe66359d185), W64LIT(0x0e0e380e70361c7e), W64LIT(0x1f1f7c1ff8633ee7), + W64LIT(0x6262956237f7c455), W64LIT(0xd4d477d4eea3b53a), W64LIT(0xa8a89aa829324d81), W64LIT(0x96966296c4f43152), + W64LIT(0xf9f9c3f99b3aef62), W64LIT(0xc5c533c566f697a3), W64LIT(0x2525942535b14a10), W64LIT(0x59597959f220b2ab), + W64LIT(0x84842a8454ae15d0), W64LIT(0x7272d572b7a7e4c5), W64LIT(0x3939e439d5dd72ec), W64LIT(0x4c4c2d4c5a619816), + W64LIT(0x5e5e655eca3bbc94), W64LIT(0x7878fd78e785f09f), W64LIT(0x3838e038ddd870e5), W64LIT(0x8c8c0a8c14860598), + W64LIT(0xd1d163d1c6b2bf17), W64LIT(0xa5a5aea5410b57e4), W64LIT(0xe2e2afe2434dd9a1), W64LIT(0x616199612ff8c24e), + W64LIT(0xb3b3f6b3f1457b42), W64LIT(0x2121842115a54234), W64LIT(0x9c9c4a9c94d62508), W64LIT(0x1e1e781ef0663cee), + W64LIT(0x4343114322528661), W64LIT(0xc7c73bc776fc93b1), W64LIT(0xfcfcd7fcb32be54f), W64LIT(0x0404100420140824), + W64LIT(0x51515951b208a2e3), W64LIT(0x99995e99bcc72f25), W64LIT(0x6d6da96d4fc4da22), W64LIT(0x0d0d340d68391a65), + W64LIT(0xfafacffa8335e979), W64LIT(0xdfdf5bdfb684a369), W64LIT(0x7e7ee57ed79bfca9), W64LIT(0x242490243db44819), + W64LIT(0x3b3bec3bc5d776fe), W64LIT(0xabab96ab313d4b9a), W64LIT(0xcece1fce3ed181f0), W64LIT(0x1111441188552299), + W64LIT(0x8f8f068f0c890383), W64LIT(0x4e4e254e4a6b9c04), W64LIT(0xb7b7e6b7d1517366), W64LIT(0xebeb8beb0b60cbe0), + W64LIT(0x3c3cf03cfdcc78c1), W64LIT(0x81813e817cbf1ffd), W64LIT(0x94946a94d4fe3540), W64LIT(0xf7f7fbf7eb0cf31c), + W64LIT(0xb9b9deb9a1676f18), W64LIT(0x13134c13985f268b), W64LIT(0x2c2cb02c7d9c5851), W64LIT(0xd3d36bd3d6b8bb05), + W64LIT(0xe7e7bbe76b5cd38c), W64LIT(0x6e6ea56e57cbdc39), W64LIT(0xc4c437c46ef395aa), W64LIT(0x03030c03180f061b), + W64LIT(0x565645568a13acdc), W64LIT(0x44440d441a49885e), W64LIT(0x7f7fe17fdf9efea0), W64LIT(0xa9a99ea921374f88), + W64LIT(0x2a2aa82a4d825467), W64LIT(0xbbbbd6bbb16d6b0a), W64LIT(0xc1c123c146e29f87), W64LIT(0x53535153a202a6f1), + W64LIT(0xdcdc57dcae8ba572), W64LIT(0x0b0b2c0b58271653), W64LIT(0x9d9d4e9d9cd32701), W64LIT(0x6c6cad6c47c1d82b), + W64LIT(0x3131c43195f562a4), W64LIT(0x7474cd7487b9e8f3), W64LIT(0xf6f6fff6e309f115), W64LIT(0x464605460a438c4c), + W64LIT(0xacac8aac092645a5), W64LIT(0x89891e893c970fb5), W64LIT(0x14145014a04428b4), W64LIT(0xe1e1a3e15b42dfba), + W64LIT(0x16165816b04e2ca6), W64LIT(0x3a3ae83acdd274f7), W64LIT(0x6969b9696fd0d206), W64LIT(0x09092409482d1241), + W64LIT(0x7070dd70a7ade0d7), W64LIT(0xb6b6e2b6d954716f), W64LIT(0xd0d067d0ceb7bd1e), W64LIT(0xeded93ed3b7ec7d6), + W64LIT(0xcccc17cc2edb85e2), W64LIT(0x424215422a578468), W64LIT(0x98985a98b4c22d2c), W64LIT(0xa4a4aaa4490e55ed), + W64LIT(0x2828a0285d885075), W64LIT(0x5c5c6d5cda31b886), W64LIT(0xf8f8c7f8933fed6b), W64LIT(0x8686228644a411c2), + + W64LIT(0xd818186018c07830), W64LIT(0x2623238c2305af46), W64LIT(0xb8c6c63fc67ef991), W64LIT(0xfbe8e887e8136fcd), + W64LIT(0xcb878726874ca113), W64LIT(0x11b8b8dab8a9626d), W64LIT(0x0901010401080502), W64LIT(0x0d4f4f214f426e9e), + W64LIT(0x9b3636d836adee6c), W64LIT(0xffa6a6a2a6590451), W64LIT(0x0cd2d26fd2debdb9), W64LIT(0x0ef5f5f3f5fb06f7), + W64LIT(0x967979f979ef80f2), W64LIT(0x306f6fa16f5fcede), W64LIT(0x6d91917e91fcef3f), W64LIT(0xf852525552aa07a4), + W64LIT(0x4760609d6027fdc0), W64LIT(0x35bcbccabc897665), W64LIT(0x379b9b569baccd2b), W64LIT(0x8a8e8e028e048c01), + W64LIT(0xd2a3a3b6a371155b), W64LIT(0x6c0c0c300c603c18), W64LIT(0x847b7bf17bff8af6), W64LIT(0x803535d435b5e16a), + W64LIT(0xf51d1d741de8693a), W64LIT(0xb3e0e0a7e05347dd), W64LIT(0x21d7d77bd7f6acb3), W64LIT(0x9cc2c22fc25eed99), + W64LIT(0x432e2eb82e6d965c), W64LIT(0x294b4b314b627a96), W64LIT(0x5dfefedffea321e1), W64LIT(0xd5575741578216ae), + W64LIT(0xbd15155415a8412a), W64LIT(0xe87777c1779fb6ee), W64LIT(0x923737dc37a5eb6e), W64LIT(0x9ee5e5b3e57b56d7), + W64LIT(0x139f9f469f8cd923), W64LIT(0x23f0f0e7f0d317fd), W64LIT(0x204a4a354a6a7f94), W64LIT(0x44dada4fda9e95a9), + W64LIT(0xa258587d58fa25b0), W64LIT(0xcfc9c903c906ca8f), W64LIT(0x7c2929a429558d52), W64LIT(0x5a0a0a280a502214), + W64LIT(0x50b1b1feb1e14f7f), W64LIT(0xc9a0a0baa0691a5d), W64LIT(0x146b6bb16b7fdad6), W64LIT(0xd985852e855cab17), + W64LIT(0x3cbdbdcebd817367), W64LIT(0x8f5d5d695dd234ba), W64LIT(0x9010104010805020), W64LIT(0x07f4f4f7f4f303f5), + W64LIT(0xddcbcb0bcb16c08b), W64LIT(0xd33e3ef83eedc67c), W64LIT(0x2d0505140528110a), W64LIT(0x78676781671fe6ce), + W64LIT(0x97e4e4b7e47353d5), W64LIT(0x0227279c2725bb4e), W64LIT(0x7341411941325882), W64LIT(0xa78b8b168b2c9d0b), + W64LIT(0xf6a7a7a6a7510153), W64LIT(0xb27d7de97dcf94fa), W64LIT(0x4995956e95dcfb37), W64LIT(0x56d8d847d88e9fad), + W64LIT(0x70fbfbcbfb8b30eb), W64LIT(0xcdeeee9fee2371c1), W64LIT(0xbb7c7ced7cc791f8), W64LIT(0x716666856617e3cc), + W64LIT(0x7bdddd53dda68ea7), W64LIT(0xaf17175c17b84b2e), W64LIT(0x454747014702468e), W64LIT(0x1a9e9e429e84dc21), + W64LIT(0xd4caca0fca1ec589), W64LIT(0x582d2db42d75995a), W64LIT(0x2ebfbfc6bf917963), W64LIT(0x3f07071c07381b0e), + W64LIT(0xacadad8ead012347), W64LIT(0xb05a5a755aea2fb4), W64LIT(0xef838336836cb51b), W64LIT(0xb63333cc3385ff66), + W64LIT(0x5c636391633ff2c6), W64LIT(0x1202020802100a04), W64LIT(0x93aaaa92aa393849), W64LIT(0xde7171d971afa8e2), + W64LIT(0xc6c8c807c80ecf8d), W64LIT(0xd119196419c87d32), W64LIT(0x3b49493949727092), W64LIT(0x5fd9d943d9869aaf), + W64LIT(0x31f2f2eff2c31df9), W64LIT(0xa8e3e3abe34b48db), W64LIT(0xb95b5b715be22ab6), W64LIT(0xbc88881a8834920d), + W64LIT(0x3e9a9a529aa4c829), W64LIT(0x0b262698262dbe4c), W64LIT(0xbf3232c8328dfa64), W64LIT(0x59b0b0fab0e94a7d), + W64LIT(0xf2e9e983e91b6acf), W64LIT(0x770f0f3c0f78331e), W64LIT(0x33d5d573d5e6a6b7), W64LIT(0xf480803a8074ba1d), + 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W64LIT(0x09ae8a8a128a2498), + W64LIT(0x794bb2b2f2b2f940), W64LIT(0xd185e6e6bfe66359), W64LIT(0x1c7e0e0e380e7036), W64LIT(0x3ee71f1f7c1ff863), + W64LIT(0xc4556262956237f7), W64LIT(0xb53ad4d477d4eea3), W64LIT(0x4d81a8a89aa82932), W64LIT(0x315296966296c4f4), + W64LIT(0xef62f9f9c3f99b3a), W64LIT(0x97a3c5c533c566f6), W64LIT(0x4a102525942535b1), W64LIT(0xb2ab59597959f220), + W64LIT(0x15d084842a8454ae), W64LIT(0xe4c57272d572b7a7), W64LIT(0x72ec3939e439d5dd), W64LIT(0x98164c4c2d4c5a61), + W64LIT(0xbc945e5e655eca3b), W64LIT(0xf09f7878fd78e785), W64LIT(0x70e53838e038ddd8), W64LIT(0x05988c8c0a8c1486), + W64LIT(0xbf17d1d163d1c6b2), W64LIT(0x57e4a5a5aea5410b), W64LIT(0xd9a1e2e2afe2434d), W64LIT(0xc24e616199612ff8), + W64LIT(0x7b42b3b3f6b3f145), W64LIT(0x42342121842115a5), W64LIT(0x25089c9c4a9c94d6), W64LIT(0x3cee1e1e781ef066), + W64LIT(0x8661434311432252), W64LIT(0x93b1c7c73bc776fc), W64LIT(0xe54ffcfcd7fcb32b), W64LIT(0x0824040410042014), + W64LIT(0xa2e351515951b208), W64LIT(0x2f2599995e99bcc7), W64LIT(0xda226d6da96d4fc4), W64LIT(0x1a650d0d340d6839), + W64LIT(0xe979fafacffa8335), W64LIT(0xa369dfdf5bdfb684), W64LIT(0xfca97e7ee57ed79b), W64LIT(0x4819242490243db4), + W64LIT(0x76fe3b3bec3bc5d7), W64LIT(0x4b9aabab96ab313d), W64LIT(0x81f0cece1fce3ed1), W64LIT(0x2299111144118855), + W64LIT(0x03838f8f068f0c89), W64LIT(0x9c044e4e254e4a6b), W64LIT(0x7366b7b7e6b7d151), W64LIT(0xcbe0ebeb8beb0b60), + W64LIT(0x78c13c3cf03cfdcc), W64LIT(0x1ffd81813e817cbf), W64LIT(0x354094946a94d4fe), W64LIT(0xf31cf7f7fbf7eb0c), + W64LIT(0x6f18b9b9deb9a167), W64LIT(0x268b13134c13985f), W64LIT(0x58512c2cb02c7d9c), W64LIT(0xbb05d3d36bd3d6b8), + W64LIT(0xd38ce7e7bbe76b5c), W64LIT(0xdc396e6ea56e57cb), W64LIT(0x95aac4c437c46ef3), W64LIT(0x061b03030c03180f), + W64LIT(0xacdc565645568a13), W64LIT(0x885e44440d441a49), W64LIT(0xfea07f7fe17fdf9e), W64LIT(0x4f88a9a99ea92137), + W64LIT(0x54672a2aa82a4d82), W64LIT(0x6b0abbbbd6bbb16d), W64LIT(0x9f87c1c123c146e2), W64LIT(0xa6f153535153a202), + W64LIT(0xa572dcdc57dcae8b), W64LIT(0x16530b0b2c0b5827), W64LIT(0x27019d9d4e9d9cd3), W64LIT(0xd82b6c6cad6c47c1), + W64LIT(0x62a43131c43195f5), W64LIT(0xe8f37474cd7487b9), W64LIT(0xf115f6f6fff6e309), W64LIT(0x8c4c464605460a43), + W64LIT(0x45a5acac8aac0926), W64LIT(0x0fb589891e893c97), W64LIT(0x28b414145014a044), W64LIT(0xdfbae1e1a3e15b42), + W64LIT(0x2ca616165816b04e), W64LIT(0x74f73a3ae83acdd2), W64LIT(0xd2066969b9696fd0), W64LIT(0x124109092409482d), + W64LIT(0xe0d77070dd70a7ad), W64LIT(0x716fb6b6e2b6d954), W64LIT(0xbd1ed0d067d0ceb7), W64LIT(0xc7d6eded93ed3b7e), + W64LIT(0x85e2cccc17cc2edb), W64LIT(0x8468424215422a57), W64LIT(0x2d2c98985a98b4c2), W64LIT(0x55eda4a4aaa4490e), + W64LIT(0x50752828a0285d88), W64LIT(0xb8865c5c6d5cda31), W64LIT(0xed6bf8f8c7f8933f), W64LIT(0x11c28686228644a4), + + W64LIT(0x7830d818186018c0), W64LIT(0xaf462623238c2305), W64LIT(0xf991b8c6c63fc67e), W64LIT(0x6fcdfbe8e887e813), + W64LIT(0xa113cb878726874c), W64LIT(0x626d11b8b8dab8a9), W64LIT(0x0502090101040108), W64LIT(0x6e9e0d4f4f214f42), + W64LIT(0xee6c9b3636d836ad), W64LIT(0x0451ffa6a6a2a659), W64LIT(0xbdb90cd2d26fd2de), W64LIT(0x06f70ef5f5f3f5fb), + W64LIT(0x80f2967979f979ef), W64LIT(0xcede306f6fa16f5f), W64LIT(0xef3f6d91917e91fc), W64LIT(0x07a4f852525552aa), + W64LIT(0xfdc04760609d6027), W64LIT(0x766535bcbccabc89), W64LIT(0xcd2b379b9b569bac), W64LIT(0x8c018a8e8e028e04), + W64LIT(0x155bd2a3a3b6a371), W64LIT(0x3c186c0c0c300c60), W64LIT(0x8af6847b7bf17bff), W64LIT(0xe16a803535d435b5), + W64LIT(0x693af51d1d741de8), W64LIT(0x47ddb3e0e0a7e053), W64LIT(0xacb321d7d77bd7f6), W64LIT(0xed999cc2c22fc25e), + W64LIT(0x965c432e2eb82e6d), W64LIT(0x7a96294b4b314b62), W64LIT(0x21e15dfefedffea3), W64LIT(0x16aed55757415782), + W64LIT(0x412abd15155415a8), W64LIT(0xb6eee87777c1779f), W64LIT(0xeb6e923737dc37a5), W64LIT(0x56d79ee5e5b3e57b), + W64LIT(0xd923139f9f469f8c), W64LIT(0x17fd23f0f0e7f0d3), W64LIT(0x7f94204a4a354a6a), W64LIT(0x95a944dada4fda9e), + W64LIT(0x25b0a258587d58fa), W64LIT(0xca8fcfc9c903c906), W64LIT(0x8d527c2929a42955), W64LIT(0x22145a0a0a280a50), + W64LIT(0x4f7f50b1b1feb1e1), W64LIT(0x1a5dc9a0a0baa069), W64LIT(0xdad6146b6bb16b7f), W64LIT(0xab17d985852e855c), + W64LIT(0x73673cbdbdcebd81), W64LIT(0x34ba8f5d5d695dd2), W64LIT(0x5020901010401080), W64LIT(0x03f507f4f4f7f4f3), + W64LIT(0xc08bddcbcb0bcb16), W64LIT(0xc67cd33e3ef83eed), W64LIT(0x110a2d0505140528), W64LIT(0xe6ce78676781671f), + W64LIT(0x53d597e4e4b7e473), W64LIT(0xbb4e0227279c2725), W64LIT(0x5882734141194132), W64LIT(0x9d0ba78b8b168b2c), + W64LIT(0x0153f6a7a7a6a751), W64LIT(0x94fab27d7de97dcf), W64LIT(0xfb374995956e95dc), W64LIT(0x9fad56d8d847d88e), + W64LIT(0x30eb70fbfbcbfb8b), W64LIT(0x71c1cdeeee9fee23), W64LIT(0x91f8bb7c7ced7cc7), W64LIT(0xe3cc716666856617), + W64LIT(0x8ea77bdddd53dda6), W64LIT(0x4b2eaf17175c17b8), W64LIT(0x468e454747014702), W64LIT(0xdc211a9e9e429e84), + W64LIT(0xc589d4caca0fca1e), W64LIT(0x995a582d2db42d75), W64LIT(0x79632ebfbfc6bf91), W64LIT(0x1b0e3f07071c0738), + W64LIT(0x2347acadad8ead01), W64LIT(0x2fb4b05a5a755aea), W64LIT(0xb51bef838336836c), W64LIT(0xff66b63333cc3385), + W64LIT(0xf2c65c636391633f), W64LIT(0x0a04120202080210), W64LIT(0x384993aaaa92aa39), W64LIT(0xa8e2de7171d971af), + W64LIT(0xcf8dc6c8c807c80e), W64LIT(0x7d32d119196419c8), W64LIT(0x70923b4949394972), W64LIT(0x9aaf5fd9d943d986), + W64LIT(0x1df931f2f2eff2c3), W64LIT(0x48dba8e3e3abe34b), W64LIT(0x2ab6b95b5b715be2), W64LIT(0x920dbc88881a8834), + W64LIT(0xc8293e9a9a529aa4), W64LIT(0xbe4c0b262698262d), W64LIT(0xfa64bf3232c8328d), W64LIT(0x4a7d59b0b0fab0e9), + W64LIT(0x6acff2e9e983e91b), W64LIT(0x331e770f0f3c0f78), W64LIT(0xa6b733d5d573d5e6), W64LIT(0xba1df480803a8074), + W64LIT(0x7c6127bebec2be99), W64LIT(0xde87ebcdcd13cd26), W64LIT(0xe468893434d034bd), W64LIT(0x75903248483d487a), + W64LIT(0x24e354ffffdbffab), W64LIT(0x8ff48d7a7af57af7), W64LIT(0xea3d6490907a90f4), W64LIT(0x3ebe9d5f5f615fc2), + W64LIT(0xa0403d202080201d), W64LIT(0xd5d00f6868bd6867), W64LIT(0x7234ca1a1a681ad0), W64LIT(0x2c41b7aeae82ae19), + W64LIT(0x5e757db4b4eab4c9), W64LIT(0x19a8ce54544d549a), W64LIT(0xe53b7f93937693ec), W64LIT(0xaa442f222288220d), + W64LIT(0xe9c86364648d6407), W64LIT(0x12ff2af1f1e3f1db), W64LIT(0xa2e6cc7373d173bf), W64LIT(0x5a24821212481290), + W64LIT(0x5d807a40401d403a), W64LIT(0x2810480808200840), W64LIT(0xe89b95c3c32bc356), W64LIT(0x7bc5dfecec97ec33), + W64LIT(0x90ab4ddbdb4bdb96), W64LIT(0x1f5fc0a1a1bea161), W64LIT(0x8307918d8d0e8d1c), W64LIT(0xc97ac83d3df43df5), + W64LIT(0xf1335b97976697cc), W64LIT(0x0000000000000000), W64LIT(0xd483f9cfcf1bcf36), W64LIT(0x87566e2b2bac2b45), + W64LIT(0xb3ece17676c57697), W64LIT(0xb019e68282328264), W64LIT(0xa9b128d6d67fd6fe), W64LIT(0x7736c31b1b6c1bd8), + W64LIT(0x5b7774b5b5eeb5c1), W64LIT(0x2943beafaf86af11), W64LIT(0xdfd41d6a6ab56a77), W64LIT(0x0da0ea50505d50ba), + W64LIT(0x4c8a574545094512), W64LIT(0x18fb38f3f3ebf3cb), W64LIT(0xf060ad3030c0309d), W64LIT(0x74c3c4efef9bef2b), + W64LIT(0xc37eda3f3ffc3fe5), W64LIT(0x1caac75555495592), W64LIT(0x1059dba2a2b2a279), W64LIT(0x65c9e9eaea8fea03), + W64LIT(0xecca6a656589650f), W64LIT(0x686903babad2bab9), W64LIT(0x935e4a2f2fbc2f65), W64LIT(0xe79d8ec0c027c04e), + W64LIT(0x81a160dede5fdebe), W64LIT(0x6c38fc1c1c701ce0), W64LIT(0x2ee746fdfdd3fdbb), W64LIT(0x649a1f4d4d294d52), + W64LIT(0xe0397692927292e4), W64LIT(0xbceafa7575c9758f), W64LIT(0x1e0c360606180630), W64LIT(0x9809ae8a8a128a24), + W64LIT(0x40794bb2b2f2b2f9), W64LIT(0x59d185e6e6bfe663), W64LIT(0x361c7e0e0e380e70), W64LIT(0x633ee71f1f7c1ff8), + W64LIT(0xf7c4556262956237), W64LIT(0xa3b53ad4d477d4ee), W64LIT(0x324d81a8a89aa829), W64LIT(0xf4315296966296c4), + W64LIT(0x3aef62f9f9c3f99b), W64LIT(0xf697a3c5c533c566), W64LIT(0xb14a102525942535), W64LIT(0x20b2ab59597959f2), + W64LIT(0xae15d084842a8454), W64LIT(0xa7e4c57272d572b7), W64LIT(0xdd72ec3939e439d5), W64LIT(0x6198164c4c2d4c5a), + W64LIT(0x3bbc945e5e655eca), W64LIT(0x85f09f7878fd78e7), W64LIT(0xd870e53838e038dd), W64LIT(0x8605988c8c0a8c14), + W64LIT(0xb2bf17d1d163d1c6), W64LIT(0x0b57e4a5a5aea541), W64LIT(0x4dd9a1e2e2afe243), W64LIT(0xf8c24e616199612f), + W64LIT(0x457b42b3b3f6b3f1), W64LIT(0xa542342121842115), W64LIT(0xd625089c9c4a9c94), W64LIT(0x663cee1e1e781ef0), + W64LIT(0x5286614343114322), W64LIT(0xfc93b1c7c73bc776), W64LIT(0x2be54ffcfcd7fcb3), W64LIT(0x1408240404100420), + W64LIT(0x08a2e351515951b2), W64LIT(0xc72f2599995e99bc), W64LIT(0xc4da226d6da96d4f), W64LIT(0x391a650d0d340d68), + W64LIT(0x35e979fafacffa83), W64LIT(0x84a369dfdf5bdfb6), W64LIT(0x9bfca97e7ee57ed7), W64LIT(0xb44819242490243d), + W64LIT(0xd776fe3b3bec3bc5), W64LIT(0x3d4b9aabab96ab31), W64LIT(0xd181f0cece1fce3e), W64LIT(0x5522991111441188), + W64LIT(0x8903838f8f068f0c), W64LIT(0x6b9c044e4e254e4a), W64LIT(0x517366b7b7e6b7d1), W64LIT(0x60cbe0ebeb8beb0b), + W64LIT(0xcc78c13c3cf03cfd), W64LIT(0xbf1ffd81813e817c), W64LIT(0xfe354094946a94d4), W64LIT(0x0cf31cf7f7fbf7eb), + W64LIT(0x676f18b9b9deb9a1), W64LIT(0x5f268b13134c1398), W64LIT(0x9c58512c2cb02c7d), W64LIT(0xb8bb05d3d36bd3d6), + W64LIT(0x5cd38ce7e7bbe76b), W64LIT(0xcbdc396e6ea56e57), W64LIT(0xf395aac4c437c46e), W64LIT(0x0f061b03030c0318), + W64LIT(0x13acdc565645568a), W64LIT(0x49885e44440d441a), W64LIT(0x9efea07f7fe17fdf), W64LIT(0x374f88a9a99ea921), + W64LIT(0x8254672a2aa82a4d), W64LIT(0x6d6b0abbbbd6bbb1), W64LIT(0xe29f87c1c123c146), W64LIT(0x02a6f153535153a2), + W64LIT(0x8ba572dcdc57dcae), W64LIT(0x2716530b0b2c0b58), W64LIT(0xd327019d9d4e9d9c), W64LIT(0xc1d82b6c6cad6c47), + W64LIT(0xf562a43131c43195), W64LIT(0xb9e8f37474cd7487), W64LIT(0x09f115f6f6fff6e3), W64LIT(0x438c4c464605460a), + W64LIT(0x2645a5acac8aac09), W64LIT(0x970fb589891e893c), W64LIT(0x4428b414145014a0), W64LIT(0x42dfbae1e1a3e15b), + W64LIT(0x4e2ca616165816b0), W64LIT(0xd274f73a3ae83acd), W64LIT(0xd0d2066969b9696f), W64LIT(0x2d12410909240948), + W64LIT(0xade0d77070dd70a7), W64LIT(0x54716fb6b6e2b6d9), W64LIT(0xb7bd1ed0d067d0ce), W64LIT(0x7ec7d6eded93ed3b), + W64LIT(0xdb85e2cccc17cc2e), W64LIT(0x578468424215422a), W64LIT(0xc22d2c98985a98b4), W64LIT(0x0e55eda4a4aaa449), + W64LIT(0x8850752828a0285d), W64LIT(0x31b8865c5c6d5cda), W64LIT(0x3fed6bf8f8c7f893), W64LIT(0xa411c28686228644), + + W64LIT(0x1823c6e887b8014f), + W64LIT(0x36a6d2f5796f9152), + W64LIT(0x60bc9b8ea30c7b35), + W64LIT(0x1de0d7c22e4bfe57), + W64LIT(0x157737e59ff04ada), + W64LIT(0x58c9290ab1a06b85), + W64LIT(0xbd5d10f4cb3e0567), + W64LIT(0xe427418ba77d95d8), + W64LIT(0xfbee7c66dd17479e), + W64LIT(0xca2dbf07ad5a8333) +}; + +// Whirlpool basic transformation. Transforms state based on block. +void Whirlpool::Transform(word64 *digest, const word64 *block) +{ +#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE + if (HasISSE()) + { + // MMX version has the same structure as C version below +#ifdef __GNUC__ + #if CRYPTOPP_BOOL_X64 + word64 workspace[16]; + #endif + __asm__ __volatile__ + ( + ".intel_syntax noprefix;" + AS_PUSH_IF86( bx) + AS2( mov AS_REG_6, WORD_REG(ax)) +#else + #if _MSC_VER < 1300 + AS_PUSH_IF86( bx) + #endif + AS2( lea AS_REG_6, [Whirlpool_C]) + AS2( mov WORD_REG(cx), digest) + AS2( mov WORD_REG(dx), block) +#endif +#if CRYPTOPP_BOOL_X86 + AS2( mov eax, esp) + AS2( and esp, -16) + AS2( sub esp, 16*8) + AS1( push eax) + #define SSE2_workspace esp+WORD_SZ +#else + #define SSE2_workspace %3 +#endif + AS2( xor esi, esi) + ASL(0) + AS2( movq mm0, [WORD_REG(cx)+8*WORD_REG(si)]) + AS2( movq [SSE2_workspace+8*WORD_REG(si)], mm0) // k + AS2( pxor mm0, [WORD_REG(dx)+8*WORD_REG(si)]) + AS2( movq [SSE2_workspace+64+8*WORD_REG(si)], mm0) // s + AS2( movq [WORD_REG(cx)+8*WORD_REG(si)], mm0) + AS1( inc WORD_REG(si)) + AS2( cmp WORD_REG(si), 8) + ASJ( jne, 0, b) + + AS2( xor esi, esi) + ASL(1) + +#define KSL0(a, b) AS2(movq mm##a, b) +#define KSL1(a, b) AS2(pxor mm##a, b) + +#define KSL(op, i, a, b, c, d) \ + AS2(mov eax, [SSE2_workspace+8*i])\ + AS2(movzx edi, al)\ + KSL##op(a, [AS_REG_6+3*2048+8*WORD_REG(di)])\ + AS2(movzx edi, ah)\ + KSL##op(b, [AS_REG_6+2*2048+8*WORD_REG(di)])\ + AS2(shr eax, 16)\ + AS2(movzx edi, al)\ + AS2(shr eax, 8)\ + KSL##op(c, [AS_REG_6+1*2048+8*WORD_REG(di)])\ + KSL##op(d, [AS_REG_6+0*2048+8*WORD_REG(ax)]) + +#define KSH0(a, b) \ + ASS(pshufw mm##a, mm##a, 1, 0, 3, 2)\ + AS2(pxor mm##a, b) +#define KSH1(a, b) \ + AS2(pxor mm##a, b) +#define KSH2(a, b) \ + AS2(pxor mm##a, b)\ + AS2(movq [SSE2_workspace+8*a], mm##a) + +#define KSH(op, i, a, b, c, d) \ + AS2(mov eax, [SSE2_workspace+8*((i+4)-8*((i+4)/8))+4])\ + AS2(movzx edi, al)\ + KSH##op(a, [AS_REG_6+3*2048+8*WORD_REG(di)])\ + AS2(movzx edi, ah)\ + KSH##op(b, [AS_REG_6+2*2048+8*WORD_REG(di)])\ + AS2(shr eax, 16)\ + AS2(movzx edi, al)\ + AS2(shr eax, 8)\ + KSH##op(c, [AS_REG_6+1*2048+8*WORD_REG(di)])\ + KSH##op(d, [AS_REG_6+0*2048+8*WORD_REG(ax)]) + +#define TSL(op, i, a, b, c, d) \ + AS2(mov eax, [SSE2_workspace+64+8*i])\ + AS2(movzx edi, al)\ + KSL##op(a, [AS_REG_6+3*2048+8*WORD_REG(di)])\ + AS2(movzx edi, ah)\ + KSL##op(b, [AS_REG_6+2*2048+8*WORD_REG(di)])\ + AS2(shr eax, 16)\ + AS2(movzx edi, al)\ + AS2(shr eax, 8)\ + KSL##op(c, [AS_REG_6+1*2048+8*WORD_REG(di)])\ + KSL##op(d, [AS_REG_6+0*2048+8*WORD_REG(ax)]) + +#define TSH0(a, b) \ + ASS(pshufw mm##a, mm##a, 1, 0, 3, 2)\ + AS2(pxor mm##a, [SSE2_workspace+8*a])\ + AS2(pxor mm##a, b) +#define TSH1(a, b) \ + AS2(pxor mm##a, b) +#define TSH2(a, b) \ + AS2(pxor mm##a, b)\ + AS2(movq [SSE2_workspace+64+8*a], mm##a) +#define TSH3(a, b) \ + AS2(pxor mm##a, b)\ + AS2(pxor mm##a, [WORD_REG(cx)+8*a])\ + AS2(movq [WORD_REG(cx)+8*a], mm##a) + +#define TSH(op, i, a, b, c, d) \ + AS2(mov eax, [SSE2_workspace+64+8*((i+4)-8*((i+4)/8))+4])\ + AS2(movzx edi, al)\ + TSH##op(a, [AS_REG_6+3*2048+8*WORD_REG(di)])\ + AS2(movzx edi, ah)\ + TSH##op(b, [AS_REG_6+2*2048+8*WORD_REG(di)])\ + AS2(shr eax, 16)\ + AS2(movzx edi, al)\ + AS2(shr eax, 8)\ + TSH##op(c, [AS_REG_6+1*2048+8*WORD_REG(di)])\ + TSH##op(d, [AS_REG_6+0*2048+8*WORD_REG(ax)]) + + KSL(0, 4, 3, 2, 1, 0) + KSL(0, 0, 7, 6, 5, 4) + KSL(1, 1, 0, 7, 6, 5) + KSL(1, 2, 1, 0, 7, 6) + KSL(1, 3, 2, 1, 0, 7) + KSL(1, 5, 4, 3, 2, 1) + KSL(1, 6, 5, 4, 3, 2) + KSL(1, 7, 6, 5, 4, 3) + KSH(0, 0, 7, 6, 5, 4) + KSH(0, 4, 3, 2, 1, 0) + KSH(1, 1, 0, 7, 6, 5) + KSH(1, 2, 1, 0, 7, 6) + KSH(1, 5, 4, 3, 2, 1) + KSH(1, 6, 5, 4, 3, 2) + KSH(2, 3, 2, 1, 0, 7) + KSH(2, 7, 6, 5, 4, 3) + + AS2( pxor mm0, [AS_REG_6 + 8*1024 + WORD_REG(si)*8]) + AS2( movq [SSE2_workspace], mm0) + + TSL(0, 4, 3, 2, 1, 0) + TSL(0, 0, 7, 6, 5, 4) + TSL(1, 1, 0, 7, 6, 5) + TSL(1, 2, 1, 0, 7, 6) + TSL(1, 3, 2, 1, 0, 7) + TSL(1, 5, 4, 3, 2, 1) + TSL(1, 6, 5, 4, 3, 2) + TSL(1, 7, 6, 5, 4, 3) + TSH(0, 0, 7, 6, 5, 4) + TSH(0, 4, 3, 2, 1, 0) + TSH(1, 1, 0, 7, 6, 5) + TSH(1, 2, 1, 0, 7, 6) + TSH(1, 5, 4, 3, 2, 1) + TSH(1, 6, 5, 4, 3, 2) + + AS1( inc WORD_REG(si)) + AS2( cmp WORD_REG(si), 10) + ASJ( je, 2, f) + + TSH(2, 3, 2, 1, 0, 7) + TSH(2, 7, 6, 5, 4, 3) + + ASJ( jmp, 1, b) + ASL(2) + + TSH(3, 3, 2, 1, 0, 7) + TSH(3, 7, 6, 5, 4, 3) + +#undef KSL +#undef KSH +#undef TSL +#undef TSH + + AS_POP_IF86( sp) + AS1( emms) + +#if defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER < 1300) + AS_POP_IF86( bx) +#endif +#ifdef __GNUC__ + ".att_syntax prefix;" + : + : "a" (Whirlpool_C), "c" (digest), "d" (block) + #if CRYPTOPP_BOOL_X64 + , "r" (workspace) + #endif + : "%esi", "%edi", "memory", "cc" + #if CRYPTOPP_BOOL_X64 + , "%r9" + #endif + ); +#endif + } + else +#endif // #ifdef CRYPTOPP_X86_ASM_AVAILABLE + { + word64 s[8]; // the cipher state + word64 k[8]; // the round key + + // Compute and apply K^0 to the cipher state + // Also apply part of the Miyaguchi-Preneel compression function + for (int i=0; i<8; i++) + digest[i] = s[i] = block[i] ^ (k[i] = digest[i]); + +#define KSL(op, i, a, b, c, d) \ + t = (word32)k[i];\ + w##a = Whirlpool_C[3*256 + (byte)t] ^ (op ? w##a : 0);\ + t >>= 8;\ + w##b = Whirlpool_C[2*256 + (byte)t] ^ (op ? w##b : 0);\ + t >>= 8;\ + w##c = Whirlpool_C[1*256 + (byte)t] ^ (op ? w##c : 0);\ + t >>= 8;\ + w##d = Whirlpool_C[0*256 + t] ^ (op ? w##d : 0); + +#define KSH(op, i, a, b, c, d) \ + t = (word32)(k[(i+4)%8]>>32);\ + w##a = Whirlpool_C[3*256 + (byte)t] ^ (op ? w##a : rotrFixed(w##a, 32));\ + if (op==2) k[a] = w##a;\ + t >>= 8;\ + w##b = Whirlpool_C[2*256 + (byte)t] ^ (op ? w##b : rotrFixed(w##b, 32));\ + if (op==2) k[b] = w##b;\ + t >>= 8;\ + w##c = Whirlpool_C[1*256 + (byte)t] ^ (op ? w##c : rotrFixed(w##c, 32));\ + if (op==2) k[c] = w##c;\ + t >>= 8;\ + w##d = Whirlpool_C[0*256 + t] ^ (op ? w##d : rotrFixed(w##d, 32));\ + if (op==2) k[d] = w##d;\ + +#define TSL(op, i, a, b, c, d) \ + t = (word32)s[i];\ + w##a = Whirlpool_C[3*256 + (byte)t] ^ (op ? w##a : 0);\ + t >>= 8;\ + w##b = Whirlpool_C[2*256 + (byte)t] ^ (op ? w##b : 0);\ + t >>= 8;\ + w##c = Whirlpool_C[1*256 + (byte)t] ^ (op ? w##c : 0);\ + t >>= 8;\ + w##d = Whirlpool_C[0*256 + t] ^ (op ? w##d : 0); + +#define TSH_OP(op, a, b) \ + w##a = Whirlpool_C[b*256 + (byte)t] ^ (op ? w##a : rotrFixed(w##a, 32) ^ k[a]);\ + if (op==2) s[a] = w##a;\ + if (op==3) digest[a] ^= w##a;\ + +#define TSH(op, i, a, b, c, d) \ + t = (word32)(s[(i+4)%8]>>32);\ + TSH_OP(op, a, 3);\ + t >>= 8;\ + TSH_OP(op, b, 2);\ + t >>= 8;\ + TSH_OP(op, c, 1);\ + t >>= 8;\ + TSH_OP(op, d, 0);\ + + // Iterate over all rounds: + int r=0; + while (true) + { + word64 w0, w1, w2, w3, w4, w5, w6, w7; // temporary storage + word32 t; + + KSL(0, 4, 3, 2, 1, 0) + KSL(0, 0, 7, 6, 5, 4) + KSL(1, 1, 0, 7, 6, 5) + KSL(1, 2, 1, 0, 7, 6) + KSL(1, 3, 2, 1, 0, 7) + KSL(1, 5, 4, 3, 2, 1) + KSL(1, 6, 5, 4, 3, 2) + KSL(1, 7, 6, 5, 4, 3) + KSH(0, 0, 7, 6, 5, 4) + KSH(0, 4, 3, 2, 1, 0) + KSH(1, 1, 0, 7, 6, 5) + KSH(1, 2, 1, 0, 7, 6) + KSH(1, 5, 4, 3, 2, 1) + KSH(1, 6, 5, 4, 3, 2) + KSH(2, 3, 2, 1, 0, 7) + KSH(2, 7, 6, 5, 4, 3) + + k[0] ^= Whirlpool_C[1024+r]; + + TSL(0, 4, 3, 2, 1, 0) + TSL(0, 0, 7, 6, 5, 4) + TSL(1, 1, 0, 7, 6, 5) + TSL(1, 2, 1, 0, 7, 6) + TSL(1, 3, 2, 1, 0, 7) + TSL(1, 5, 4, 3, 2, 1) + TSL(1, 6, 5, 4, 3, 2) + TSL(1, 7, 6, 5, 4, 3) + TSH(0, 0, 7, 6, 5, 4) + TSH(0, 4, 3, 2, 1, 0) + TSH(1, 1, 0, 7, 6, 5) + TSH(1, 2, 1, 0, 7, 6) + TSH(1, 5, 4, 3, 2, 1) + TSH(1, 6, 5, 4, 3, 2) + + if (++r < R) + { + TSH(2, 3, 2, 1, 0, 7) + TSH(2, 7, 6, 5, 4, 3) + } + else + { + TSH(3, 3, 2, 1, 0, 7) + TSH(3, 7, 6, 5, 4, 3) + break; + } + } + } +} + +NAMESPACE_END diff --git a/CryptoPP/whrlpool.h b/CryptoPP/whrlpool.h new file mode 100644 index 000000000..62c9d8a53 --- /dev/null +++ b/CryptoPP/whrlpool.h @@ -0,0 +1,21 @@ +#ifndef CRYPTOPP_WHIRLPOOL_H +#define CRYPTOPP_WHIRLPOOL_H + +#include "config.h" +#include "iterhash.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! <a href="http://www.cryptolounge.org/wiki/Whirlpool">Whirlpool</a> +class Whirlpool : public IteratedHashWithStaticTransform<word64, BigEndian, 64, 64, Whirlpool> +{ +public: + static void InitState(HashWordType *state); + static void Transform(word64 *digest, const word64 *data); + void TruncatedFinal(byte *hash, size_t size); + static const char * StaticAlgorithmName() {return "Whirlpool";} +}; + +NAMESPACE_END + +#endif diff --git a/CryptoPP/winpipes.cpp b/CryptoPP/winpipes.cpp new file mode 100644 index 000000000..1c2e047b0 --- /dev/null +++ b/CryptoPP/winpipes.cpp @@ -0,0 +1,205 @@ +// winpipes.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "winpipes.h" + +#ifdef WINDOWS_PIPES_AVAILABLE + +#include "wait.h" + +NAMESPACE_BEGIN(CryptoPP) + +WindowsHandle::WindowsHandle(HANDLE h, bool own) + : m_h(h), m_own(own) +{ +} + +WindowsHandle::~WindowsHandle() +{ + if (m_own) + { + try + { + CloseHandle(); + } + catch (...) + { + } + } +} + +bool WindowsHandle::HandleValid() const +{ + return m_h && m_h != INVALID_HANDLE_VALUE; +} + +void WindowsHandle::AttachHandle(HANDLE h, bool own) +{ + if (m_own) + CloseHandle(); + + m_h = h; + m_own = own; + HandleChanged(); +} + +HANDLE WindowsHandle::DetachHandle() +{ + HANDLE h = m_h; + m_h = INVALID_HANDLE_VALUE; + HandleChanged(); + return h; +} + +void WindowsHandle::CloseHandle() +{ + if (m_h != INVALID_HANDLE_VALUE) + { + ::CloseHandle(m_h); + m_h = INVALID_HANDLE_VALUE; + HandleChanged(); + } +} + +// ******************************************************** + +void WindowsPipe::HandleError(const char *operation) const +{ + DWORD err = GetLastError(); + throw Err(GetHandle(), operation, err); +} + +WindowsPipe::Err::Err(HANDLE s, const std::string& operation, int error) + : OS_Error(IO_ERROR, "WindowsPipe: " + operation + " operation failed with error 0x" + IntToString(error, 16), operation, error) + , m_h(s) +{ +} + +// ************************************************************* + +WindowsPipeReceiver::WindowsPipeReceiver() + : m_resultPending(false), m_eofReceived(false) +{ + m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true); + CheckAndHandleError("CreateEvent", m_event.HandleValid()); + memset(&m_overlapped, 0, sizeof(m_overlapped)); + m_overlapped.hEvent = m_event; +} + +bool WindowsPipeReceiver::Receive(byte* buf, size_t bufLen) +{ + assert(!m_resultPending && !m_eofReceived); + + HANDLE h = GetHandle(); + // don't queue too much at once, or we might use up non-paged memory + if (ReadFile(h, buf, UnsignedMin((DWORD)128*1024, bufLen), &m_lastResult, &m_overlapped)) + { + if (m_lastResult == 0) + m_eofReceived = true; + } + else + { + switch (GetLastError()) + { + default: + CheckAndHandleError("ReadFile", false); + case ERROR_BROKEN_PIPE: + case ERROR_HANDLE_EOF: + m_lastResult = 0; + m_eofReceived = true; + break; + case ERROR_IO_PENDING: + m_resultPending = true; + } + } + return !m_resultPending; +} + +void WindowsPipeReceiver::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (m_resultPending) + container.AddHandle(m_event, CallStack("WindowsPipeReceiver::GetWaitObjects() - result pending", &callStack)); + else if (!m_eofReceived) + container.SetNoWait(CallStack("WindowsPipeReceiver::GetWaitObjects() - result ready", &callStack)); +} + +unsigned int WindowsPipeReceiver::GetReceiveResult() +{ + if (m_resultPending) + { + HANDLE h = GetHandle(); + if (GetOverlappedResult(h, &m_overlapped, &m_lastResult, false)) + { + if (m_lastResult == 0) + m_eofReceived = true; + } + else + { + switch (GetLastError()) + { + default: + CheckAndHandleError("GetOverlappedResult", false); + case ERROR_BROKEN_PIPE: + case ERROR_HANDLE_EOF: + m_lastResult = 0; + m_eofReceived = true; + } + } + m_resultPending = false; + } + return m_lastResult; +} + +// ************************************************************* + +WindowsPipeSender::WindowsPipeSender() + : m_resultPending(false), m_lastResult(0) +{ + m_event.AttachHandle(CreateEvent(NULL, true, false, NULL), true); + CheckAndHandleError("CreateEvent", m_event.HandleValid()); + memset(&m_overlapped, 0, sizeof(m_overlapped)); + m_overlapped.hEvent = m_event; +} + +void WindowsPipeSender::Send(const byte* buf, size_t bufLen) +{ + DWORD written = 0; + HANDLE h = GetHandle(); + // don't queue too much at once, or we might use up non-paged memory + if (WriteFile(h, buf, UnsignedMin((DWORD)128*1024, bufLen), &written, &m_overlapped)) + { + m_resultPending = false; + m_lastResult = written; + } + else + { + if (GetLastError() != ERROR_IO_PENDING) + CheckAndHandleError("WriteFile", false); + + m_resultPending = true; + } +} + +void WindowsPipeSender::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) +{ + if (m_resultPending) + container.AddHandle(m_event, CallStack("WindowsPipeSender::GetWaitObjects() - result pending", &callStack)); + else + container.SetNoWait(CallStack("WindowsPipeSender::GetWaitObjects() - result ready", &callStack)); +} + +unsigned int WindowsPipeSender::GetSendResult() +{ + if (m_resultPending) + { + HANDLE h = GetHandle(); + BOOL result = GetOverlappedResult(h, &m_overlapped, &m_lastResult, false); + CheckAndHandleError("GetOverlappedResult", result); + m_resultPending = false; + } + return m_lastResult; +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/winpipes.h b/CryptoPP/winpipes.h new file mode 100644 index 000000000..07225f9f1 --- /dev/null +++ b/CryptoPP/winpipes.h @@ -0,0 +1,142 @@ +#ifndef CRYPTOPP_WINPIPES_H +#define CRYPTOPP_WINPIPES_H + +#include "config.h" + +#ifdef WINDOWS_PIPES_AVAILABLE + +#include "network.h" +#include "queue.h" +#include <winsock2.h> + +NAMESPACE_BEGIN(CryptoPP) + +//! Windows Handle +class WindowsHandle +{ +public: + WindowsHandle(HANDLE h = INVALID_HANDLE_VALUE, bool own=false); + WindowsHandle(const WindowsHandle &h) : m_h(h.m_h), m_own(false) {} + virtual ~WindowsHandle(); + + bool GetOwnership() const {return m_own;} + void SetOwnership(bool own) {m_own = own;} + + operator HANDLE() {return m_h;} + HANDLE GetHandle() const {return m_h;} + bool HandleValid() const; + void AttachHandle(HANDLE h, bool own=false); + HANDLE DetachHandle(); + void CloseHandle(); + +protected: + virtual void HandleChanged() {} + + HANDLE m_h; + bool m_own; +}; + +//! Windows Pipe +class WindowsPipe +{ +public: + class Err : public OS_Error + { + public: + Err(HANDLE h, const std::string& operation, int error); + HANDLE GetHandle() const {return m_h;} + + private: + HANDLE m_h; + }; + +protected: + virtual HANDLE GetHandle() const =0; + virtual void HandleError(const char *operation) const; + void CheckAndHandleError(const char *operation, BOOL result) const + {assert(result==TRUE || result==FALSE); if (!result) HandleError(operation);} +}; + +//! pipe-based implementation of NetworkReceiver +class WindowsPipeReceiver : public WindowsPipe, public NetworkReceiver +{ +public: + WindowsPipeReceiver(); + + bool MustWaitForResult() {return true;} + bool Receive(byte* buf, size_t bufLen); + unsigned int GetReceiveResult(); + bool EofReceived() const {return m_eofReceived;} + + unsigned int GetMaxWaitObjectCount() const {return 1;} + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + +private: + WindowsHandle m_event; + OVERLAPPED m_overlapped; + bool m_resultPending; + DWORD m_lastResult; + bool m_eofReceived; +}; + +//! pipe-based implementation of NetworkSender +class WindowsPipeSender : public WindowsPipe, public NetworkSender +{ +public: + WindowsPipeSender(); + + bool MustWaitForResult() {return true;} + void Send(const byte* buf, size_t bufLen); + unsigned int GetSendResult(); + bool MustWaitForEof() { return false; } + void SendEof() {} + + unsigned int GetMaxWaitObjectCount() const {return 1;} + void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack); + +private: + WindowsHandle m_event; + OVERLAPPED m_overlapped; + bool m_resultPending; + DWORD m_lastResult; +}; + +//! Windows Pipe Source +class WindowsPipeSource : public WindowsHandle, public NetworkSource, public WindowsPipeReceiver +{ +public: + WindowsPipeSource(HANDLE h=INVALID_HANDLE_VALUE, bool pumpAll=false, BufferedTransformation *attachment=NULL) + : WindowsHandle(h), NetworkSource(attachment) + { + if (pumpAll) + PumpAll(); + } + + NetworkSource::GetMaxWaitObjectCount; + NetworkSource::GetWaitObjects; + +private: + HANDLE GetHandle() const {return WindowsHandle::GetHandle();} + NetworkReceiver & AccessReceiver() {return *this;} +}; + +//! Windows Pipe Sink +class WindowsPipeSink : public WindowsHandle, public NetworkSink, public WindowsPipeSender +{ +public: + WindowsPipeSink(HANDLE h=INVALID_HANDLE_VALUE, unsigned int maxBufferSize=0, unsigned int autoFlushBound=16*1024) + : WindowsHandle(h), NetworkSink(maxBufferSize, autoFlushBound) {} + + NetworkSink::GetMaxWaitObjectCount; + NetworkSink::GetWaitObjects; + +private: + HANDLE GetHandle() const {return WindowsHandle::GetHandle();} + NetworkSender & AccessSender() {return *this;} +}; + +NAMESPACE_END + +#endif + +#endif diff --git a/CryptoPP/words.h b/CryptoPP/words.h new file mode 100644 index 000000000..d5fda71da --- /dev/null +++ b/CryptoPP/words.h @@ -0,0 +1,103 @@ +#ifndef CRYPTOPP_WORDS_H +#define CRYPTOPP_WORDS_H + +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +inline size_t CountWords(const word *X, size_t N) +{ + while (N && X[N-1]==0) + N--; + return N; +} + +inline void SetWords(word *r, word a, size_t n) +{ + for (size_t i=0; i<n; i++) + r[i] = a; +} + +inline void CopyWords(word *r, const word *a, size_t n) +{ + if (r != a) + memcpy(r, a, n*WORD_SIZE); +} + +inline void XorWords(word *r, const word *a, const word *b, size_t n) +{ + for (size_t i=0; i<n; i++) + r[i] = a[i] ^ b[i]; +} + +inline void XorWords(word *r, const word *a, size_t n) +{ + for (size_t i=0; i<n; i++) + r[i] ^= a[i]; +} + +inline void AndWords(word *r, const word *a, const word *b, size_t n) +{ + for (size_t i=0; i<n; i++) + r[i] = a[i] & b[i]; +} + +inline void AndWords(word *r, const word *a, size_t n) +{ + for (size_t i=0; i<n; i++) + r[i] &= a[i]; +} + +inline word ShiftWordsLeftByBits(word *r, size_t n, unsigned int shiftBits) +{ + assert (shiftBits<WORD_BITS); + word u, carry=0; + if (shiftBits) + for (size_t i=0; i<n; i++) + { + u = r[i]; + r[i] = (u << shiftBits) | carry; + carry = u >> (WORD_BITS-shiftBits); + } + return carry; +} + +inline word ShiftWordsRightByBits(word *r, size_t n, unsigned int shiftBits) +{ + assert (shiftBits<WORD_BITS); + word u, carry=0; + if (shiftBits) + for (size_t i=n; i>0; i--) + { + u = r[i-1]; + r[i-1] = (u >> shiftBits) | carry; + carry = u << (WORD_BITS-shiftBits); + } + return carry; +} + +inline void ShiftWordsLeftByWords(word *r, size_t n, size_t shiftWords) +{ + shiftWords = STDMIN(shiftWords, n); + if (shiftWords) + { + for (size_t i=n-1; i>=shiftWords; i--) + r[i] = r[i-shiftWords]; + SetWords(r, 0, shiftWords); + } +} + +inline void ShiftWordsRightByWords(word *r, size_t n, size_t shiftWords) +{ + shiftWords = STDMIN(shiftWords, n); + if (shiftWords) + { + for (size_t i=0; i+shiftWords<n; i++) + r[i] = r[i+shiftWords]; + SetWords(r+n-shiftWords, 0, shiftWords); + } +} + +NAMESPACE_END + +#endif diff --git a/CryptoPP/xtr.cpp b/CryptoPP/xtr.cpp new file mode 100644 index 000000000..673907054 --- /dev/null +++ b/CryptoPP/xtr.cpp @@ -0,0 +1,100 @@ +// cryptlib.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "xtr.h" +#include "nbtheory.h" + +#include "algebra.cpp" + +NAMESPACE_BEGIN(CryptoPP) + +const GFP2Element & GFP2Element::Zero() +{ + return Singleton<GFP2Element>().Ref(); +} + +void XTR_FindPrimesAndGenerator(RandomNumberGenerator &rng, Integer &p, Integer &q, GFP2Element &g, unsigned int pbits, unsigned int qbits) +{ + assert(qbits > 9); // no primes exist for pbits = 10, qbits = 9 + assert(pbits > qbits); + + const Integer minQ = Integer::Power2(qbits - 1); + const Integer maxQ = Integer::Power2(qbits) - 1; + const Integer minP = Integer::Power2(pbits - 1); + const Integer maxP = Integer::Power2(pbits) - 1; + + Integer r1, r2; + do + { + bool qFound = q.Randomize(rng, minQ, maxQ, Integer::PRIME, 7, 12); + assert(qFound); + bool solutionsExist = SolveModularQuadraticEquation(r1, r2, 1, -1, 1, q); + assert(solutionsExist); + } while (!p.Randomize(rng, minP, maxP, Integer::PRIME, CRT(rng.GenerateBit()?r1:r2, q, 2, 3, EuclideanMultiplicativeInverse(p, 3)), 3*q)); + assert(((p.Squared() - p + 1) % q).IsZero()); + + GFP2_ONB<ModularArithmetic> gfp2(p); + GFP2Element three = gfp2.ConvertIn(3), t; + + while (true) + { + g.c1.Randomize(rng, Integer::Zero(), p-1); + g.c2.Randomize(rng, Integer::Zero(), p-1); + t = XTR_Exponentiate(g, p+1, p); + if (t.c1 == t.c2) + continue; + g = XTR_Exponentiate(g, (p.Squared()-p+1)/q, p); + if (g != three) + break; + } + assert(XTR_Exponentiate(g, q, p) == three); +} + +GFP2Element XTR_Exponentiate(const GFP2Element &b, const Integer &e, const Integer &p) +{ + unsigned int bitCount = e.BitCount(); + if (bitCount == 0) + return GFP2Element(-3, -3); + + // find the lowest bit of e that is 1 + unsigned int lowest1bit; + for (lowest1bit=0; e.GetBit(lowest1bit) == 0; lowest1bit++) {} + + GFP2_ONB<MontgomeryRepresentation> gfp2(p); + GFP2Element c = gfp2.ConvertIn(b); + GFP2Element cp = gfp2.PthPower(c); + GFP2Element S[5] = {gfp2.ConvertIn(3), c, gfp2.SpecialOperation1(c)}; + + // do all exponents bits except the lowest zeros starting from the top + unsigned int i; + for (i = e.BitCount() - 1; i>lowest1bit; i--) + { + if (e.GetBit(i)) + { + gfp2.RaiseToPthPower(S[0]); + gfp2.Accumulate(S[0], gfp2.SpecialOperation2(S[2], c, S[1])); + S[1] = gfp2.SpecialOperation1(S[1]); + S[2] = gfp2.SpecialOperation1(S[2]); + S[0].swap(S[1]); + } + else + { + gfp2.RaiseToPthPower(S[2]); + gfp2.Accumulate(S[2], gfp2.SpecialOperation2(S[0], cp, S[1])); + S[1] = gfp2.SpecialOperation1(S[1]); + S[0] = gfp2.SpecialOperation1(S[0]); + S[2].swap(S[1]); + } + } + + // now do the lowest zeros + while (i--) + S[1] = gfp2.SpecialOperation1(S[1]); + + return gfp2.ConvertOut(S[1]); +} + +template class AbstractRing<GFP2Element>; +template class AbstractGroup<GFP2Element>; + +NAMESPACE_END diff --git a/CryptoPP/xtr.h b/CryptoPP/xtr.h new file mode 100644 index 000000000..89d39f03e --- /dev/null +++ b/CryptoPP/xtr.h @@ -0,0 +1,215 @@ +#ifndef CRYPTOPP_XTR_H +#define CRYPTOPP_XTR_H + +/** \file + "The XTR public key system" by Arjen K. Lenstra and Eric R. Verheul +*/ + +#include "modarith.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! an element of GF(p^2) +class GFP2Element +{ +public: + GFP2Element() {} + GFP2Element(const Integer &c1, const Integer &c2) : c1(c1), c2(c2) {} + GFP2Element(const byte *encodedElement, unsigned int size) + : c1(encodedElement, size/2), c2(encodedElement+size/2, size/2) {} + + void Encode(byte *encodedElement, unsigned int size) + { + c1.Encode(encodedElement, size/2); + c2.Encode(encodedElement+size/2, size/2); + } + + bool operator==(const GFP2Element &rhs) const {return c1 == rhs.c1 && c2 == rhs.c2;} + bool operator!=(const GFP2Element &rhs) const {return !operator==(rhs);} + + void swap(GFP2Element &a) + { + c1.swap(a.c1); + c2.swap(a.c2); + } + + static const GFP2Element & Zero(); + + Integer c1, c2; +}; + +//! GF(p^2), optimal normal basis +template <class F> +class GFP2_ONB : public AbstractRing<GFP2Element> +{ +public: + typedef F BaseField; + + GFP2_ONB(const Integer &p) : modp(p) + { + if (p%3 != 2) + throw InvalidArgument("GFP2_ONB: modulus must be equivalent to 2 mod 3"); + } + + const Integer& GetModulus() const {return modp.GetModulus();} + + GFP2Element ConvertIn(const Integer &a) const + { + t = modp.Inverse(modp.ConvertIn(a)); + return GFP2Element(t, t); + } + + GFP2Element ConvertIn(const GFP2Element &a) const + {return GFP2Element(modp.ConvertIn(a.c1), modp.ConvertIn(a.c2));} + + GFP2Element ConvertOut(const GFP2Element &a) const + {return GFP2Element(modp.ConvertOut(a.c1), modp.ConvertOut(a.c2));} + + bool Equal(const GFP2Element &a, const GFP2Element &b) const + { + return modp.Equal(a.c1, b.c1) && modp.Equal(a.c2, b.c2); + } + + const Element& Identity() const + { + return GFP2Element::Zero(); + } + + const Element& Add(const Element &a, const Element &b) const + { + result.c1 = modp.Add(a.c1, b.c1); + result.c2 = modp.Add(a.c2, b.c2); + return result; + } + + const Element& Inverse(const Element &a) const + { + result.c1 = modp.Inverse(a.c1); + result.c2 = modp.Inverse(a.c2); + return result; + } + + const Element& Double(const Element &a) const + { + result.c1 = modp.Double(a.c1); + result.c2 = modp.Double(a.c2); + return result; + } + + const Element& Subtract(const Element &a, const Element &b) const + { + result.c1 = modp.Subtract(a.c1, b.c1); + result.c2 = modp.Subtract(a.c2, b.c2); + return result; + } + + Element& Accumulate(Element &a, const Element &b) const + { + modp.Accumulate(a.c1, b.c1); + modp.Accumulate(a.c2, b.c2); + return a; + } + + Element& Reduce(Element &a, const Element &b) const + { + modp.Reduce(a.c1, b.c1); + modp.Reduce(a.c2, b.c2); + return a; + } + + bool IsUnit(const Element &a) const + { + return a.c1.NotZero() || a.c2.NotZero(); + } + + const Element& MultiplicativeIdentity() const + { + result.c1 = result.c2 = modp.Inverse(modp.MultiplicativeIdentity()); + return result; + } + + const Element& Multiply(const Element &a, const Element &b) const + { + t = modp.Add(a.c1, a.c2); + t = modp.Multiply(t, modp.Add(b.c1, b.c2)); + result.c1 = modp.Multiply(a.c1, b.c1); + result.c2 = modp.Multiply(a.c2, b.c2); + result.c1.swap(result.c2); + modp.Reduce(t, result.c1); + modp.Reduce(t, result.c2); + modp.Reduce(result.c1, t); + modp.Reduce(result.c2, t); + return result; + } + + const Element& MultiplicativeInverse(const Element &a) const + { + return result = Exponentiate(a, modp.GetModulus()-2); + } + + const Element& Square(const Element &a) const + { + const Integer &ac1 = (&a == &result) ? (t = a.c1) : a.c1; + result.c1 = modp.Multiply(modp.Subtract(modp.Subtract(a.c2, a.c1), a.c1), a.c2); + result.c2 = modp.Multiply(modp.Subtract(modp.Subtract(ac1, a.c2), a.c2), ac1); + return result; + } + + Element Exponentiate(const Element &a, const Integer &e) const + { + Integer edivp, emodp; + Integer::Divide(emodp, edivp, e, modp.GetModulus()); + Element b = PthPower(a); + return AbstractRing<GFP2Element>::CascadeExponentiate(a, emodp, b, edivp); + } + + const Element & PthPower(const Element &a) const + { + result = a; + result.c1.swap(result.c2); + return result; + } + + void RaiseToPthPower(Element &a) const + { + a.c1.swap(a.c2); + } + + // a^2 - 2a^p + const Element & SpecialOperation1(const Element &a) const + { + assert(&a != &result); + result = Square(a); + modp.Reduce(result.c1, a.c2); + modp.Reduce(result.c1, a.c2); + modp.Reduce(result.c2, a.c1); + modp.Reduce(result.c2, a.c1); + return result; + } + + // x * z - y * z^p + const Element & SpecialOperation2(const Element &x, const Element &y, const Element &z) const + { + assert(&x != &result && &y != &result && &z != &result); + t = modp.Add(x.c2, y.c2); + result.c1 = modp.Multiply(z.c1, modp.Subtract(y.c1, t)); + modp.Accumulate(result.c1, modp.Multiply(z.c2, modp.Subtract(t, x.c1))); + t = modp.Add(x.c1, y.c1); + result.c2 = modp.Multiply(z.c2, modp.Subtract(y.c2, t)); + modp.Accumulate(result.c2, modp.Multiply(z.c1, modp.Subtract(t, x.c2))); + return result; + } + +protected: + BaseField modp; + mutable GFP2Element result; + mutable Integer t; +}; + +void XTR_FindPrimesAndGenerator(RandomNumberGenerator &rng, Integer &p, Integer &q, GFP2Element &g, unsigned int pbits, unsigned int qbits); + +GFP2Element XTR_Exponentiate(const GFP2Element &b, const Integer &e, const Integer &p); + +NAMESPACE_END + +#endif diff --git a/CryptoPP/xtrcrypt.cpp b/CryptoPP/xtrcrypt.cpp new file mode 100644 index 000000000..20e78e7ca --- /dev/null +++ b/CryptoPP/xtrcrypt.cpp @@ -0,0 +1,108 @@ +// xtrcrypt.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "xtrcrypt.h" +#include "nbtheory.h" +#include "asn.h" +#include "argnames.h" + +NAMESPACE_BEGIN(CryptoPP) + +XTR_DH::XTR_DH(const Integer &p, const Integer &q, const GFP2Element &g) + : m_p(p), m_q(q), m_g(g) +{ +} + +XTR_DH::XTR_DH(RandomNumberGenerator &rng, unsigned int pbits, unsigned int qbits) +{ + XTR_FindPrimesAndGenerator(rng, m_p, m_q, m_g, pbits, qbits); +} + +XTR_DH::XTR_DH(BufferedTransformation &bt) +{ + BERSequenceDecoder seq(bt); + m_p.BERDecode(seq); + m_q.BERDecode(seq); + m_g.c1.BERDecode(seq); + m_g.c2.BERDecode(seq); + seq.MessageEnd(); +} + +void XTR_DH::DEREncode(BufferedTransformation &bt) const +{ + DERSequenceEncoder seq(bt); + m_p.DEREncode(seq); + m_q.DEREncode(seq); + m_g.c1.DEREncode(seq); + m_g.c2.DEREncode(seq); + seq.MessageEnd(); +} + +bool XTR_DH::Validate(RandomNumberGenerator &rng, unsigned int level) const +{ + bool pass = true; + pass = pass && m_p > Integer::One() && m_p.IsOdd(); + pass = pass && m_q > Integer::One() && m_q.IsOdd(); + GFP2Element three = GFP2_ONB<ModularArithmetic>(m_p).ConvertIn(3); + pass = pass && !(m_g.c1.IsNegative() || m_g.c2.IsNegative() || m_g.c1 >= m_p || m_g.c2 >= m_p || m_g == three); + if (level >= 1) + pass = pass && ((m_p.Squared()-m_p+1)%m_q).IsZero(); + if (level >= 2) + { + pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2); + pass = pass && XTR_Exponentiate(m_g, (m_p.Squared()-m_p+1)/m_q, m_p) != three; + pass = pass && XTR_Exponentiate(m_g, m_q, m_p) == three; + } + return pass; +} + +bool XTR_DH::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const +{ + return GetValueHelper(this, name, valueType, pValue).Assignable() + CRYPTOPP_GET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupOrder) + CRYPTOPP_GET_FUNCTION_ENTRY(SubgroupGenerator) + ; +} + +void XTR_DH::AssignFrom(const NameValuePairs &source) +{ + AssignFromHelper(this, source) + CRYPTOPP_SET_FUNCTION_ENTRY(Modulus) + CRYPTOPP_SET_FUNCTION_ENTRY(SubgroupOrder) + CRYPTOPP_SET_FUNCTION_ENTRY(SubgroupGenerator) + ; +} + +void XTR_DH::GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const +{ + Integer x(rng, Integer::Zero(), m_q-1); + x.Encode(privateKey, PrivateKeyLength()); +} + +void XTR_DH::GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const +{ + Integer x(privateKey, PrivateKeyLength()); + GFP2Element y = XTR_Exponentiate(m_g, x, m_p); + y.Encode(publicKey, PublicKeyLength()); +} + +bool XTR_DH::Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey) const +{ + GFP2Element w(otherPublicKey, PublicKeyLength()); + if (validateOtherPublicKey) + { + GFP2_ONB<ModularArithmetic> gfp2(m_p); + GFP2Element three = gfp2.ConvertIn(3); + if (w.c1.IsNegative() || w.c2.IsNegative() || w.c1 >= m_p || w.c2 >= m_p || w == three) + return false; + if (XTR_Exponentiate(w, m_q, m_p) != three) + return false; + } + Integer s(privateKey, PrivateKeyLength()); + GFP2Element z = XTR_Exponentiate(w, s, m_p); + z.Encode(agreedValue, AgreedValueLength()); + return true; +} + +NAMESPACE_END diff --git a/CryptoPP/xtrcrypt.h b/CryptoPP/xtrcrypt.h new file mode 100644 index 000000000..6aee1276c --- /dev/null +++ b/CryptoPP/xtrcrypt.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_XTRCRYPT_H +#define CRYPTOPP_XTRCRYPT_H + +/** \file + "The XTR public key system" by Arjen K. Lenstra and Eric R. Verheul +*/ + +#include "xtr.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! XTR-DH with key validation + +class XTR_DH : public SimpleKeyAgreementDomain, public CryptoParameters +{ + typedef XTR_DH ThisClass; + +public: + XTR_DH(const Integer &p, const Integer &q, const GFP2Element &g); + XTR_DH(RandomNumberGenerator &rng, unsigned int pbits, unsigned int qbits); + XTR_DH(BufferedTransformation &domainParams); + + void DEREncode(BufferedTransformation &domainParams) const; + + bool Validate(RandomNumberGenerator &rng, unsigned int level) const; + bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const; + void AssignFrom(const NameValuePairs &source); + CryptoParameters & AccessCryptoParameters() {return *this;} + unsigned int AgreedValueLength() const {return 2*m_p.ByteCount();} + unsigned int PrivateKeyLength() const {return m_q.ByteCount();} + unsigned int PublicKeyLength() const {return 2*m_p.ByteCount();} + + void GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const; + void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const; + bool Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey=true) const; + + const Integer &GetModulus() const {return m_p;} + const Integer &GetSubgroupOrder() const {return m_q;} + const GFP2Element &GetSubgroupGenerator() const {return m_g;} + + void SetModulus(const Integer &p) {m_p = p;} + void SetSubgroupOrder(const Integer &q) {m_q = q;} + void SetSubgroupGenerator(const GFP2Element &g) {m_g = g;} + +private: + unsigned int ExponentBitLength() const; + + Integer m_p, m_q; + GFP2Element m_g; +}; + +NAMESPACE_END + +#endif diff --git a/GNUmakefile b/GNUmakefile index 7db43d74c..081513c24 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -22,7 +22,7 @@ CC = /usr/bin/g++
-all: MCServer
+all: MCServer/MCServer
@@ -110,14 +110,14 @@ INCLUDE = -I.\ # Build MCServer
#
-SOURCES := $(shell find lua-5.1.4 jsoncpp-src-0.5.0 zlib-1.2.7 source squirrel_3_0_1_stable tolua++-1.0.93 iniFile WebServer '(' -name '*.cpp' -o -name '*.c' ')')
+SOURCES := $(shell find CryptoPP lua-5.1.4 jsoncpp-src-0.5.0 zlib-1.2.7 source squirrel_3_0_1_stable tolua++-1.0.93 iniFile WebServer '(' -name '*.cpp' -o -name '*.c' ')')
SOURCES := $(filter-out %minigzip.c %lua.c %tolua.c %toluabind.c %LeakFinder.cpp %StackWalker.cpp %example.c,$(SOURCES))
OBJECTS := $(patsubst %.c,$(BUILDDIR)%.o,$(SOURCES))
OBJECTS := $(patsubst %.cpp,$(BUILDDIR)%.o,$(OBJECTS))
-include $(patsubst %.o,%.d,$(OBJECTS))
-MCServer : $(OBJECTS)
+MCServer/MCServer : $(OBJECTS)
$(CC) $(LNK_OPTIONS) $(OBJECTS) -o MCServer/MCServer
clean :
diff --git a/VC2008/CryptoPP.vcproj b/VC2008/CryptoPP.vcproj new file mode 100644 index 000000000..989e65573 --- /dev/null +++ b/VC2008/CryptoPP.vcproj @@ -0,0 +1,6981 @@ +<?xml version="1.0" encoding="windows-1250"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="9,00"
+ Name="CryptoPP"
+ ProjectGUID="{3423EC9A-52E4-4A4D-9753-EDEBC38785EF}"
+ RootNamespace="cryptlib"
+ SccLocalPath="."
+ TargetFrameworkVersion="131072"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
+ <Platform
+ Name="x64"
+ />
+ </Platforms>
+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Release|Win32"
+ OutputDirectory="$(SolutionDir)$(ConfigurationName)\CryptoPP"
+ IntermediateDirectory="$(ConfigurationName)\CryptoPP"
+ ConfigurationType="4"
+ InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+ UseOfMFC="0"
+ ATLMinimizesCRunTimeLibraryUsage="false"
+ WholeProgramOptimization="1"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ Optimization="2"
+ InlineFunctionExpansion="2"
+ EnableIntrinsicFunctions="true"
+ OmitFramePointers="true"
+ PreprocessorDefinitions="NDEBUG;_WINDOWS;USE_PRECOMPILED_HEADERS;WIN32"
+ StringPooling="true"
+ RuntimeLibrary="0"
+ EnableFunctionLevelLinking="true"
+ UsePrecompiledHeader="2"
+ PrecompiledHeaderThrough="pch.h"
+ ProgramDataBaseFileName="$(OutDir)\vc80.pdb"
+ WarningLevel="3"
+ SuppressStartupBanner="true"
+ DebugInformationFormat="3"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ Culture="1033"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLibrarianTool"
+ SuppressStartupBanner="true"
+ />
+ <Tool
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+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\twofish.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\.\vmac.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\wait.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\wake.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\whrlpool.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\winpipes.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\words.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\xtr.h"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\xtrcrypt.h"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Miscellaneous"
+ >
+ <File
+ RelativePath="..\CryptoPP\Doxyfile"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\GNUmakefile"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\.\License.txt"
+ >
+ </File>
+ <File
+ RelativePath="..\CryptoPP\.\Readme.txt"
+ >
+ </File>
+ </Filter>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
diff --git a/VC2008/JsonCpp.vcproj b/VC2008/JsonCpp.vcproj index 92b8b2cca..3cd921aa4 100644 --- a/VC2008/JsonCpp.vcproj +++ b/VC2008/JsonCpp.vcproj @@ -45,7 +45,7 @@ PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
MinimalRebuild="true"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="4"
@@ -107,7 +107,7 @@ EnableIntrinsicFunctions="true"
AdditionalIncludeDirectories="../jsoncpp-src-0.5.0/include"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="3"
diff --git a/VC2008/Lua.vcproj b/VC2008/Lua.vcproj index 0285e2ad3..c8bffdf8c 100644 --- a/VC2008/Lua.vcproj +++ b/VC2008/Lua.vcproj @@ -44,7 +44,7 @@ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="4"
@@ -105,7 +105,7 @@ Optimization="2"
EnableIntrinsicFunctions="true"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="3"
diff --git a/VC2008/MCServer.sln b/VC2008/MCServer.sln index f086d6e12..11ea5ea47 100644 --- a/VC2008/MCServer.sln +++ b/VC2008/MCServer.sln @@ -7,6 +7,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MCServer", "MCServer.vcproj {082E8185-7B3A-4945-8C82-9132341A329D} = {082E8185-7B3A-4945-8C82-9132341A329D}
{EEAB54AD-114C-4AB8-8482-0A52D502BD35} = {EEAB54AD-114C-4AB8-8482-0A52D502BD35}
{5AAA90B9-946D-4034-83F3-676B06A6E326} = {5AAA90B9-946D-4034-83F3-676B06A6E326}
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF} = {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}
{54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C} = {54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C}
{EA9D50FD-937A-4EF5-8C37-5F4175AF4FEA} = {EA9D50FD-937A-4EF5-8C37-5F4175AF4FEA}
EndProjectSection
@@ -23,6 +24,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "WebServer", "WebServer.vcpr EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Squirrel3", "Squirrel3.vcproj", "{54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C}"
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CryptoPP", "CryptoPP.vcproj", "{3423EC9A-52E4-4A4D-9753-EDEBC38785EF}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@@ -72,6 +75,12 @@ Global {54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C}.Release profiled|Win32.Build.0 = Release profiled|Win32
{54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C}.Release|Win32.ActiveCfg = Release|Win32
{54DBF6CE-D1A8-4CCB-A249-4BF1CA9B7E4C}.Release|Win32.Build.0 = Release|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Debug|Win32.ActiveCfg = Debug|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Debug|Win32.Build.0 = Debug|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Release profiled|Win32.ActiveCfg = Release|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Release profiled|Win32.Build.0 = Release|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Release|Win32.ActiveCfg = Release|Win32
+ {3423EC9A-52E4-4A4D-9753-EDEBC38785EF}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
diff --git a/VC2008/MCServer.vcproj b/VC2008/MCServer.vcproj index d1707a45b..bb37dc87c 100644 --- a/VC2008/MCServer.vcproj +++ b/VC2008/MCServer.vcproj @@ -42,11 +42,11 @@ Name="VCCLCompilerTool"
AdditionalOptions="/MP"
Optimization="0"
- AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat"
+ AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat;.."
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
MinimalRebuild="false"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="2"
PrecompiledHeaderThrough="Globals.h"
WarningLevel="3"
@@ -120,9 +120,9 @@ EnableIntrinsicFunctions="true"
FavorSizeOrSpeed="1"
WholeProgramOptimization="true"
- AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat"
+ AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat;.."
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
UsePrecompiledHeader="2"
PrecompiledHeaderThrough="Globals.h"
WarningLevel="3"
@@ -198,7 +198,7 @@ EnableIntrinsicFunctions="true"
FavorSizeOrSpeed="1"
WholeProgramOptimization="true"
- AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat"
+ AdditionalIncludeDirectories=""../zlib-1.2.7";"../jsoncpp-src-0.5.0/include";"../lua-5.1.4/src";"../tolua++-1.0.93/include";../squirrel_3_0_1_stable/include;../squirrel_3_0_1_stable;../squirrel_3_0_1_stable/sqrat;.."
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;"
RuntimeLibrary="2"
UsePrecompiledHeader="2"
diff --git a/VC2008/Squirrel3.vcproj b/VC2008/Squirrel3.vcproj index bb34a5f0a..9eaaed9d2 100644 --- a/VC2008/Squirrel3.vcproj +++ b/VC2008/Squirrel3.vcproj @@ -44,7 +44,7 @@ Optimization="0"
AdditionalIncludeDirectories="..\squirrel_3_0_1_stable\include"
PreprocessorDefinitions="WIN32;_DEBUG;_CRT_SECURE_NO_WARNINGS"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="3"
@@ -105,7 +105,7 @@ Name="VCCLCompilerTool"
AdditionalIncludeDirectories="../squirrel_3_0_1_stable/include"
PreprocessorDefinitions="WIN32;NDEBUG;_CRT_SECURE_NO_WARNINGS"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="3"
diff --git a/VC2008/ToLua.vcproj b/VC2008/ToLua.vcproj index e93458358..ff2f4c277 100644 --- a/VC2008/ToLua.vcproj +++ b/VC2008/ToLua.vcproj @@ -45,7 +45,7 @@ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="4"
@@ -107,7 +107,7 @@ EnableIntrinsicFunctions="true"
AdditionalIncludeDirectories="../tolua++-1.0.93/include;../lua-5.1.4/src"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="3"
diff --git a/VC2008/WebServer.vcproj b/VC2008/WebServer.vcproj index 65b3e2b91..8e7617c27 100644 --- a/VC2008/WebServer.vcproj +++ b/VC2008/WebServer.vcproj @@ -44,7 +44,7 @@ PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
MinimalRebuild="true"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="2"
PrecompiledHeaderThrough="Globals.h"
WarningLevel="3"
@@ -106,7 +106,7 @@ Optimization="2"
EnableIntrinsicFunctions="true"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="2"
PrecompiledHeaderThrough="Globals.h"
diff --git a/VC2008/zlib.vcproj b/VC2008/zlib.vcproj index 697038481..354cd6a46 100644 --- a/VC2008/zlib.vcproj +++ b/VC2008/zlib.vcproj @@ -44,7 +44,7 @@ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
- RuntimeLibrary="3"
+ RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
DebugInformationFormat="4"
@@ -106,7 +106,7 @@ Optimization="2"
EnableIntrinsicFunctions="true"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
- RuntimeLibrary="2"
+ RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
WarningLevel="3"
diff --git a/source/Protocol132.cpp b/source/Protocol132.cpp index faff57004..2a4a830c6 100644 --- a/source/Protocol132.cpp +++ b/source/Protocol132.cpp @@ -5,6 +5,10 @@ #include "Globals.h"
#include "Protocol132.h"
+#include "cRoot.h"
+#include "cServer.h"
+#include "cClientHandle.h"
+#include "CryptoPP/osrng.h"
@@ -28,11 +32,24 @@ typedef unsigned char Byte; +using namespace CryptoPP;
+
+
+
+
+
+const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows...
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cProtocol132:
cProtocol132::cProtocol132(cClientHandle * a_Client) :
- super(a_Client)
+ super(a_Client),
+ m_IsEncrypted(false)
{
}
@@ -42,8 +59,36 @@ cProtocol132::cProtocol132(cClientHandle * a_Client) : void cProtocol132::DataReceived(const char * a_Data, int a_Size)
{
- // TODO: Protocol decryption
- super::DataReceived(a_Data, a_Size);
+ if (m_IsEncrypted)
+ {
+ byte Decrypted[512];
+ while (a_Size > 0)
+ {
+ int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
+ m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes);
+ super::DataReceived((const char *)Decrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ super::DataReceived(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+int cProtocol132::ParsePacket(unsigned char a_PacketType)
+{
+ switch (a_PacketType)
+ {
+ default: return super::ParsePacket(a_PacketType); // off-load previously known packets into cProtocol125
+ case 0xcd: return ParseClientStatuses();
+ case 0xfc: return ParseEncryptionKeyResponse();
+ }
}
@@ -55,11 +100,158 @@ int cProtocol132::ParseHandshake(void) HANDLE_PACKET_READ(ReadByte, Byte, ProtocolVersion);
HANDLE_PACKET_READ(ReadBEUTF16String16, AString, Username);
HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ServerHost);
- HANDLE_PACKET_READ(ReadBEInt, int, ServerPort);
+ HANDLE_PACKET_READ(ReadBEInt, int, ServerPort);
m_Username = Username;
+
+ AString key;
+ CryptoPP::StringSink sink(key); // GCC won't allow inline instantiation in the following line, damned temporary refs
+ cRoot::Get()->GetServer()->GetPublicKey().Save(sink);
+
+ // Send a 0xFD Encryption Key Request http://wiki.vg/Protocol#Encryption_Key_Request_.280xFD.29
+ WriteByte((char)0xfd);
+ WriteString("MCServer");
+ WriteShort((short)key.size());
+ SendData(key.data(), key.size());
+ WriteShort(4);
+ WriteInt((int)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
+ return PARSE_OK;
+}
+
+
+
+
+
+int cProtocol132::ParseLogin(void)
+{
+ // Login packet not used in 1.3.2
+ return PARSE_ERROR;
+}
+
+
+
+
+
+int cProtocol132::ParseClientStatuses(void)
+{
+ HANDLE_PACKET_READ(ReadByte, byte, Status);
+
+ // DEBUG:
+ // Kick the client, we don't have all the packets yet and sending wrong packets makes the client freeze
+ // m_Client->Kick("I don't speak your language (yet)");
+
+ // TODO:
+ // m_Client->HandleLogin(39, m_Username);
+
return PARSE_OK;
}
+
+int cProtocol132::ParseEncryptionKeyResponse(void)
+{
+ HANDLE_PACKET_READ(ReadBEShort, short, EncKeyLength);
+ AString EncKey;
+ if (!m_ReceivedData.ReadString(EncKey, EncKeyLength))
+ {
+ return PARSE_INCOMPLETE;
+ }
+ HANDLE_PACKET_READ(ReadBEShort, short, EncNonceLength);
+ AString EncNonce;
+ if (!m_ReceivedData.ReadString(EncNonce, EncNonceLength))
+ {
+ return PARSE_INCOMPLETE;
+ }
+ if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN))
+ {
+ LOGD("Too long encryption");
+ m_Client->Kick("Hacked client");
+ return PARSE_OK;
+ }
+
+ HandleEncryptionKeyResponse(EncKey, EncNonce);
+ return PARSE_OK;
+}
+
+
+
+
+
+void cProtocol132::SendData(const char * a_Data, int a_Size)
+{
+ if (m_IsEncrypted)
+ {
+ byte Encrypted[1024]; // Larger buffer, we may be sending lots of data (chunks)
+ while (a_Size > 0)
+ {
+ int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
+ m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes);
+ super::SendData((const char *)Encrypted, NumBytes);
+ a_Size -= NumBytes;
+ a_Data += NumBytes;
+ }
+ }
+ else
+ {
+ super::SendData(a_Data, a_Size);
+ }
+}
+
+
+
+
+
+void cProtocol132::HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce)
+{
+ // Decrypt EncNonce using privkey
+ RSAES<PKCS1v15>::Decryptor rsaDecryptor(cRoot::Get()->GetServer()->GetPrivateKey());
+ AutoSeededRandomPool rng;
+ byte DecryptedNonce[MAX_ENC_LEN];
+ DecodingResult res = rsaDecryptor.Decrypt(rng, (const byte *)a_EncNonce.data(), a_EncNonce.size(), DecryptedNonce);
+ if (!res.isValidCoding || (res.messageLength != 4))
+ {
+ LOGD("Bad nonce length");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+ if (ntohl(*((int *)DecryptedNonce)) != (unsigned)this)
+ {
+ LOGD("Bad nonce value");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt the symmetric encryption key using privkey:
+ byte DecryptedKey[MAX_ENC_LEN];
+ res = rsaDecryptor.Decrypt(rng, (const byte *)a_EncKey.data(), a_EncKey.size(), DecryptedKey);
+ if (!res.isValidCoding || (res.messageLength != 16))
+ {
+ LOGD("Bad key length");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Send encryption key response:
+ WriteByte((char)0xfc);
+ WriteShort(0);
+ WriteShort(0);
+
+ StartEncryption(DecryptedKey);
+ return;
+}
+
+
+
+
+
+void cProtocol132::StartEncryption(const byte * a_Key)
+{
+ m_Encryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1));
+ m_Decryptor.SetKey(a_Key, 16, MakeParameters(Name::IV(), ConstByteArrayParameter(a_Key, 16))(Name::FeedbackSize(), 1));
+ m_IsEncrypted = true;
+}
+
+
+
+
diff --git a/source/Protocol132.h b/source/Protocol132.h index af3e78ecc..a0e16b585 100644 --- a/source/Protocol132.h +++ b/source/Protocol132.h @@ -10,6 +10,8 @@ #pragma once
#include "Protocol125.h"
+#include "CryptoPP/modes.h"
+#include "CryptoPP/aes.h"
@@ -26,8 +28,29 @@ public: /// Called when client sends some data:
virtual void DataReceived(const char * a_Data, int a_Size) override;
+ /// Handling of the additional packets:
+ virtual int ParsePacket(unsigned char a_PacketType) override;
+
// Modified packets:
virtual int ParseHandshake(void) override;
+ virtual int ParseLogin (void) override;
+
+ // New packets:
+ virtual int ParseClientStatuses (void);
+ virtual int ParseEncryptionKeyResponse(void);
+
+ virtual void SendData(const char * a_Data, int a_Size);
+
+protected:
+ bool m_IsEncrypted;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption m_Decryptor; // ((byte*)sDecryptedSharedSecret.c_str(),(unsigned int)16, IV, 1);
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption m_Encryptor;
+
+ /// Decrypts the key and nonce, checks nonce, starts the symmetric encryption
+ void HandleEncryptionKeyResponse(const AString & a_EncKey, const AString & a_EncNonce);
+
+ /// Starts the symmetric encryption with the specified key
+ void StartEncryption(const byte * a_Key);
} ;
diff --git a/source/ProtocolRecognizer.cpp b/source/ProtocolRecognizer.cpp index af917b7de..d0a3f4637 100644 --- a/source/ProtocolRecognizer.cpp +++ b/source/ProtocolRecognizer.cpp @@ -43,7 +43,6 @@ void cProtocolRecognizer::DataReceived(const char * a_Data, int a_Size) {
return;
}
- LOGD("ProtocolRecognizer at %p recognized protocol %p", this, m_Protocol);
// The protocol has just been recognized, dump the whole m_Buffer contents into it for parsing:
AString Dump;
@@ -491,7 +490,7 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void) {
return false;
}
- if (ch == 0x39)
+ if (ch == 39)
{
m_Protocol = new cProtocol132(m_Client);
return true;
diff --git a/source/cServer.cpp b/source/cServer.cpp index 330a69873..157de2388 100644 --- a/source/cServer.cpp +++ b/source/cServer.cpp @@ -241,6 +241,8 @@ bool cServer::InitServer( int a_Port ) m_NotifyWriteThread.Start(this); + PrepareKeys(); + return true; } @@ -283,6 +285,22 @@ cServer::~cServer() +void cServer::PrepareKeys(void) +{ + // TODO: Save and load key for persistence across sessions + // But generating the key takes only a moment, do we even need that? + + LOG("Generating protocol encryption keypair..."); + CryptoPP::AutoSeededRandomPool rng; + m_PrivateKey.GenerateRandomWithKeySize(rng, 1024); + CryptoPP::RSA::PublicKey pk(m_PrivateKey); + m_PublicKey = pk; +} + + + + + void cServer::BroadcastChat(const AString & a_Message, const cClientHandle * a_Exclude) { cCSLock Lock(m_CSClients); diff --git a/source/cServer.h b/source/cServer.h index a97bcbd7a..7baaa0d6a 100644 --- a/source/cServer.h +++ b/source/cServer.h @@ -12,6 +12,8 @@ #define CSERVER_H_INCLUDED #include "cSocketThreads.h" +#include "CryptoPP/rsa.h" +#include "CryptoPP/osrng.h" @@ -66,6 +68,9 @@ public: //tolua_export void RemoveClient(const cSocket * a_Socket); // Removes the socket from m_SocketThreads + CryptoPP::RSA::PrivateKey & GetPrivateKey(void) { return m_PrivateKey; } + CryptoPP::RSA::PublicKey & GetPublicKey (void) { return m_PublicKey; } + private: friend class cRoot; // so cRoot can create and destroy cServer @@ -114,10 +119,15 @@ private: int m_iServerPort; bool m_bRestarting; + + CryptoPP::RSA::PrivateKey m_PrivateKey; + CryptoPP::RSA::PublicKey m_PublicKey; cServer(); ~cServer(); + /// Loads, or generates, if missing, RSA keys for protocol encryption + void PrepareKeys(void); }; //tolua_export |