From 53e22b11857fed62e2313d6d84d90f88ed412ffb Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Mon, 29 Jul 2013 12:13:03 +0100 Subject: Changed everyting to Unix line endings. --- CryptoPP/gcm.h | 212 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 106 insertions(+), 106 deletions(-) (limited to 'CryptoPP/gcm.h') diff --git a/CryptoPP/gcm.h b/CryptoPP/gcm.h index 0b32524f9..272a51c9c 100644 --- a/CryptoPP/gcm.h +++ b/CryptoPP/gcm.h @@ -1,106 +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(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 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; -}; - -//! GCM -template -struct GCM : public AuthenticatedSymmetricCipherDocumentation -{ - typedef GCM_Final Encryption; - typedef GCM_Final Decryption; -}; - -NAMESPACE_END - -#endif +#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(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 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; +}; + +//! GCM +template +struct GCM : public AuthenticatedSymmetricCipherDocumentation +{ + typedef GCM_Final Encryption; + typedef GCM_Final Decryption; +}; + +NAMESPACE_END + +#endif -- cgit v1.2.3