From 34f13d589a2ebbcae9230732c7a763b3cdd88b41 Mon Sep 17 00:00:00 2001 From: madmaxoft Date: Wed, 22 Jan 2014 22:26:40 +0100 Subject: Removed CryptoPP files. --- lib/cryptopp/shacal2.cpp | 140 ----------------------------------------------- 1 file changed, 140 deletions(-) delete mode 100644 lib/cryptopp/shacal2.cpp (limited to 'lib/cryptopp/shacal2.cpp') diff --git a/lib/cryptopp/shacal2.cpp b/lib/cryptopp/shacal2.cpp deleted file mode 100644 index b0360e404..000000000 --- a/lib/cryptopp/shacal2.cpp +++ /dev/null @@ -1,140 +0,0 @@ -// 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 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 -- cgit v1.2.3