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900 lines
25 KiB
900 lines
25 KiB
// sha.cpp - modified by Wei Dai from Steve Reid's public domain sha1.c |
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// Steve Reid implemented SHA-1. Wei Dai implemented SHA-2. |
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// Both are in the public domain. |
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// use "cl /EP /P /DCRYPTOPP_GENERATE_X64_MASM sha.cpp" to generate MASM code |
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#include "pch.h" |
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#ifndef CRYPTOPP_IMPORTS |
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#ifndef CRYPTOPP_GENERATE_X64_MASM |
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#include "sha.h" |
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#include "misc.h" |
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#include "cpu.h" |
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NAMESPACE_BEGIN(CryptoPP) |
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// start of Steve Reid's code |
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#define blk0(i) (W[i] = data[i]) |
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#define blk1(i) (W[i&15] = rotlFixed(W[(i+13)&15]^W[(i+8)&15]^W[(i+2)&15]^W[i&15],1)) |
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void SHA1::InitState(HashWordType *state) |
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{ |
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state[0] = 0x67452301L; |
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state[1] = 0xEFCDAB89L; |
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state[2] = 0x98BADCFEL; |
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state[3] = 0x10325476L; |
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state[4] = 0xC3D2E1F0L; |
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} |
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#define f1(x,y,z) (z^(x&(y^z))) |
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#define f2(x,y,z) (x^y^z) |
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#define f3(x,y,z) ((x&y)|(z&(x|y))) |
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#define f4(x,y,z) (x^y^z) |
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/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ |
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#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30); |
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#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30); |
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#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rotlFixed(v,5);w=rotlFixed(w,30); |
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#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rotlFixed(v,5);w=rotlFixed(w,30); |
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#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rotlFixed(v,5);w=rotlFixed(w,30); |
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void SHA1::Transform(word32 *state, const word32 *data) |
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{ |
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word32 W[16]; |
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/* Copy context->state[] to working vars */ |
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word32 a = state[0]; |
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word32 b = state[1]; |
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word32 c = state[2]; |
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word32 d = state[3]; |
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word32 e = state[4]; |
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/* 4 rounds of 20 operations each. Loop unrolled. */ |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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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); |
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/* Add the working vars back into context.state[] */ |
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state[0] += a; |
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state[1] += b; |
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state[2] += c; |
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state[3] += d; |
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state[4] += e; |
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} |
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// end of Steve Reid's code |
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// ************************************************************* |
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void SHA224::InitState(HashWordType *state) |
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{ |
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static const word32 s[8] = {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4}; |
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memcpy(state, s, sizeof(s)); |
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} |
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void SHA256::InitState(HashWordType *state) |
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{ |
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static const word32 s[8] = {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19}; |
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memcpy(state, s, sizeof(s)); |
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} |
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#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE |
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CRYPTOPP_ALIGN_DATA(16) extern const word32 SHA256_K[64] CRYPTOPP_SECTION_ALIGN16 = { |
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#else |
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extern const word32 SHA256_K[64] = { |
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#endif |
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, |
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0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, |
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, |
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0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, |
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, |
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0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, |
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, |
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0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, |
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, |
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0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, |
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, |
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0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, |
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, |
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0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, |
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, |
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0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 |
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}; |
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#endif // #ifndef CRYPTOPP_GENERATE_X64_MASM |
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#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || defined(CRYPTOPP_GENERATE_X64_MASM) |
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#pragma warning(disable: 4731) // frame pointer register 'ebp' modified by inline assembly code |
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static void CRYPTOPP_FASTCALL X86_SHA256_HashBlocks(word32 *state, const word32 *data, size_t len |
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#if defined(_MSC_VER) && (_MSC_VER == 1200) |
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, ... // VC60 workaround: prevent VC 6 from inlining this function |
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#endif |
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) |
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{ |
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#if defined(_MSC_VER) && (_MSC_VER == 1200) |
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AS2(mov ecx, [state]) |
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AS2(mov edx, [data]) |
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#endif |
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#define LOCALS_SIZE 8*4 + 16*4 + 4*WORD_SZ |
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#define H(i) [BASE+ASM_MOD(1024+7-(i),8)*4] |
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#define G(i) H(i+1) |
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#define F(i) H(i+2) |
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#define E(i) H(i+3) |
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#define D(i) H(i+4) |
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#define C(i) H(i+5) |
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#define B(i) H(i+6) |
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#define A(i) H(i+7) |
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#define Wt(i) BASE+8*4+ASM_MOD(1024+15-(i),16)*4 |
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#define Wt_2(i) Wt((i)-2) |
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#define Wt_15(i) Wt((i)-15) |
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#define Wt_7(i) Wt((i)-7) |
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#define K_END [BASE+8*4+16*4+0*WORD_SZ] |
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#define STATE_SAVE [BASE+8*4+16*4+1*WORD_SZ] |
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#define DATA_SAVE [BASE+8*4+16*4+2*WORD_SZ] |
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#define DATA_END [BASE+8*4+16*4+3*WORD_SZ] |
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#define Kt(i) WORD_REG(si)+(i)*4 |
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#if CRYPTOPP_BOOL_X86 |
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#define BASE esp+4 |
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#elif defined(__GNUC__) |
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#define BASE r8 |
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#else |
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#define BASE rsp |
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#endif |
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#define RA0(i, edx, edi) \ |
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AS2( add edx, [Kt(i)] )\ |
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AS2( add edx, [Wt(i)] )\ |
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AS2( add edx, H(i) )\ |
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#define RA1(i, edx, edi) |
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#define RB0(i, edx, edi) |
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#define RB1(i, edx, edi) \ |
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AS2( mov AS_REG_7d, [Wt_2(i)] )\ |
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AS2( mov edi, [Wt_15(i)])\ |
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AS2( mov ebx, AS_REG_7d )\ |
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AS2( shr AS_REG_7d, 10 )\ |
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AS2( ror ebx, 17 )\ |
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AS2( xor AS_REG_7d, ebx )\ |
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AS2( ror ebx, 2 )\ |
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AS2( xor ebx, AS_REG_7d )/* s1(W_t-2) */\ |
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AS2( add ebx, [Wt_7(i)])\ |
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AS2( mov AS_REG_7d, edi )\ |
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AS2( shr AS_REG_7d, 3 )\ |
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AS2( ror edi, 7 )\ |
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AS2( add ebx, [Wt(i)])/* s1(W_t-2) + W_t-7 + W_t-16 */\ |
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AS2( xor AS_REG_7d, edi )\ |
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AS2( add edx, [Kt(i)])\ |
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AS2( ror edi, 11 )\ |
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AS2( add edx, H(i) )\ |
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AS2( xor AS_REG_7d, edi )/* s0(W_t-15) */\ |
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AS2( add AS_REG_7d, ebx )/* W_t = s1(W_t-2) + W_t-7 + s0(W_t-15) W_t-16*/\ |
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AS2( mov [Wt(i)], AS_REG_7d)\ |
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AS2( add edx, AS_REG_7d )\ |
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#define ROUND(i, r, eax, ecx, edi, edx)\ |
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/* in: edi = E */\ |
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/* unused: eax, ecx, temp: ebx, AS_REG_7d, out: edx = T1 */\ |
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AS2( mov edx, F(i) )\ |
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AS2( xor edx, G(i) )\ |
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AS2( and edx, edi )\ |
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AS2( xor edx, G(i) )/* Ch(E,F,G) = (G^(E&(F^G))) */\ |
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AS2( mov AS_REG_7d, edi )\ |
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AS2( ror edi, 6 )\ |
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AS2( ror AS_REG_7d, 25 )\ |
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RA##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\ |
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AS2( xor AS_REG_7d, edi )\ |
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AS2( ror edi, 5 )\ |
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AS2( xor AS_REG_7d, edi )/* S1(E) */\ |
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AS2( add edx, AS_REG_7d )/* T1 = S1(E) + Ch(E,F,G) + H + Wt + Kt */\ |
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RB##r(i, edx, edi )/* H + Wt + Kt + Ch(E,F,G) */\ |
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/* in: ecx = A, eax = B^C, edx = T1 */\ |
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/* unused: edx, temp: ebx, AS_REG_7d, out: eax = A, ecx = B^C, edx = E */\ |
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AS2( mov ebx, ecx )\ |
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AS2( xor ecx, B(i) )/* A^B */\ |
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AS2( and eax, ecx )\ |
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AS2( xor eax, B(i) )/* Maj(A,B,C) = B^((A^B)&(B^C) */\ |
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AS2( mov AS_REG_7d, ebx )\ |
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AS2( ror ebx, 2 )\ |
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AS2( add eax, edx )/* T1 + Maj(A,B,C) */\ |
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AS2( add edx, D(i) )\ |
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AS2( mov D(i), edx )\ |
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AS2( ror AS_REG_7d, 22 )\ |
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AS2( xor AS_REG_7d, ebx )\ |
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AS2( ror ebx, 11 )\ |
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AS2( xor AS_REG_7d, ebx )\ |
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AS2( add eax, AS_REG_7d )/* T1 + S0(A) + Maj(A,B,C) */\ |
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AS2( mov H(i), eax )\ |
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#define SWAP_COPY(i) \ |
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AS2( mov WORD_REG(bx), [WORD_REG(dx)+i*WORD_SZ])\ |
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AS1( bswap WORD_REG(bx))\ |
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AS2( mov [Wt(i*(1+CRYPTOPP_BOOL_X64)+CRYPTOPP_BOOL_X64)], WORD_REG(bx)) |
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#if defined(__GNUC__) |
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#if CRYPTOPP_BOOL_X64 |
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FixedSizeAlignedSecBlock<byte, LOCALS_SIZE> workspace; |
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#endif |
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__asm__ __volatile__ |
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( |
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#if CRYPTOPP_BOOL_X64 |
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"lea %4, %%r8;" |
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#endif |
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".intel_syntax noprefix;" |
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#elif defined(CRYPTOPP_GENERATE_X64_MASM) |
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ALIGN 8 |
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X86_SHA256_HashBlocks PROC FRAME |
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rex_push_reg rsi |
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push_reg rdi |
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push_reg rbx |
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push_reg rbp |
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alloc_stack(LOCALS_SIZE+8) |
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.endprolog |
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mov rdi, r8 |
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lea rsi, [?SHA256_K@CryptoPP@@3QBIB + 48*4] |
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#endif |
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#if CRYPTOPP_BOOL_X86 |
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#ifndef __GNUC__ |
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AS2( mov edi, [len]) |
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AS2( lea WORD_REG(si), [SHA256_K+48*4]) |
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#endif |
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#if !defined(_MSC_VER) || (_MSC_VER < 1400) |
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AS_PUSH_IF86(bx) |
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#endif |
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AS_PUSH_IF86(bp) |
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AS2( mov ebx, esp) |
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AS2( and esp, -16) |
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AS2( sub WORD_REG(sp), LOCALS_SIZE) |
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AS_PUSH_IF86(bx) |
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#endif |
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AS2( mov STATE_SAVE, WORD_REG(cx)) |
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AS2( mov DATA_SAVE, WORD_REG(dx)) |
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AS2( lea WORD_REG(ax), [WORD_REG(di) + WORD_REG(dx)]) |
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AS2( mov DATA_END, WORD_REG(ax)) |
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AS2( mov K_END, WORD_REG(si)) |
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#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE |
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#if CRYPTOPP_BOOL_X86 |
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AS2( test edi, 1) |
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ASJ( jnz, 2, f) |
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AS1( dec DWORD PTR K_END) |
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#endif |
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AS2( movdqa xmm0, XMMWORD_PTR [WORD_REG(cx)+0*16]) |
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AS2( movdqa xmm1, XMMWORD_PTR [WORD_REG(cx)+1*16]) |
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#endif |
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#if CRYPTOPP_BOOL_X86 |
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#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE |
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ASJ( jmp, 0, f) |
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#endif |
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ASL(2) // non-SSE2 |
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AS2( mov esi, ecx) |
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AS2( lea edi, A(0)) |
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AS2( mov ecx, 8) |
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AS1( rep movsd) |
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AS2( mov esi, K_END) |
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ASJ( jmp, 3, f) |
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#endif |
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#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE |
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ASL(0) |
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AS2( movdqa E(0), xmm1) |
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AS2( movdqa A(0), xmm0) |
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#endif |
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#if CRYPTOPP_BOOL_X86 |
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ASL(3) |
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#endif |
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AS2( sub WORD_REG(si), 48*4) |
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SWAP_COPY(0) SWAP_COPY(1) SWAP_COPY(2) SWAP_COPY(3) |
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SWAP_COPY(4) SWAP_COPY(5) SWAP_COPY(6) SWAP_COPY(7) |
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#if CRYPTOPP_BOOL_X86 |
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SWAP_COPY(8) SWAP_COPY(9) SWAP_COPY(10) SWAP_COPY(11) |
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SWAP_COPY(12) SWAP_COPY(13) SWAP_COPY(14) SWAP_COPY(15) |
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#endif |
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AS2( mov edi, E(0)) // E |
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AS2( mov eax, B(0)) // B |
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AS2( xor eax, C(0)) // B^C |
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AS2( mov ecx, A(0)) // A |
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ROUND(0, 0, eax, ecx, edi, edx) |
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ROUND(1, 0, ecx, eax, edx, edi) |
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ROUND(2, 0, eax, ecx, edi, edx) |
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ROUND(3, 0, ecx, eax, edx, edi) |
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ROUND(4, 0, eax, ecx, edi, edx) |
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ROUND(5, 0, ecx, eax, edx, edi) |
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ROUND(6, 0, eax, ecx, edi, edx) |
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ROUND(7, 0, ecx, eax, edx, edi) |
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ROUND(8, 0, eax, ecx, edi, edx) |
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ROUND(9, 0, ecx, eax, edx, edi) |
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ROUND(10, 0, eax, ecx, edi, edx) |
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ROUND(11, 0, ecx, eax, edx, edi) |
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ROUND(12, 0, eax, ecx, edi, edx) |
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ROUND(13, 0, ecx, eax, edx, edi) |
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ROUND(14, 0, eax, ecx, edi, edx) |
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ROUND(15, 0, ecx, eax, edx, edi) |
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ASL(1) |
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AS2(add WORD_REG(si), 4*16) |
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ROUND(0, 1, eax, ecx, edi, edx) |
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ROUND(1, 1, ecx, eax, edx, edi) |
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ROUND(2, 1, eax, ecx, edi, edx) |
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ROUND(3, 1, ecx, eax, edx, edi) |
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ROUND(4, 1, eax, ecx, edi, edx) |
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ROUND(5, 1, ecx, eax, edx, edi) |
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ROUND(6, 1, eax, ecx, edi, edx) |
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ROUND(7, 1, ecx, eax, edx, edi) |
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ROUND(8, 1, eax, ecx, edi, edx) |
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ROUND(9, 1, ecx, eax, edx, edi) |
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ROUND(10, 1, eax, ecx, edi, edx) |
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ROUND(11, 1, ecx, eax, edx, edi) |
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ROUND(12, 1, eax, ecx, edi, edx) |
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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) |
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AS2( paddq mm4, mm1) // a = temp + S0(a) |
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AS2( movq [edi-8], mm4) |
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AS2( movq [edi+7*8], mm4) |
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AS1( ret) |
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|
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// first 16 rounds |
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ASL(0) |
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AS2( movq mm0, [edx+eax*8]) |
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AS2( movq [esi+eax*8], mm0) |
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AS2( movq [esi+eax*8+16*8], mm0) |
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AS2( paddq mm0, [ebx+eax*8]) |
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ASC( call, SHA512_Round) |
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AS1( inc eax) |
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AS2( sub edi, 8) |
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AS2( test eax, 7) |
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ASJ( jnz, 0, b) |
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AS2( add edi, 8*8) |
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AS2( cmp eax, 16) |
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ASJ( jne, 0, b) |
|
|
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// rest of the rounds |
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AS2( movdqu xmm0, [esi+(16-2)*8]) |
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ASL(1) |
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// data expansion, W[i-2] already in xmm0 |
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AS2( movdqu xmm3, [esi]) |
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AS2( paddq xmm3, [esi+(16-7)*8]) |
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AS2( movdqa xmm2, [esi+(16-15)*8]) |
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SSE2_s1(xmm0, 6, 19, 61) |
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AS2( paddq xmm0, xmm3) |
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SSE2_s0(xmm2, 1, 7, 8) |
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AS2( paddq xmm0, xmm2) |
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AS2( movdq2q mm0, xmm0) |
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AS2( movhlps xmm1, xmm0) |
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AS2( paddq mm0, [ebx+eax*8]) |
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AS2( movlps [esi], xmm0) |
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AS2( movlps [esi+8], xmm1) |
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AS2( movlps [esi+8*16], xmm0) |
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AS2( movlps [esi+8*17], xmm1) |
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// 2 rounds |
|
ASC( call, SHA512_Round) |
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AS2( sub edi, 8) |
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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])\ |
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AS2( paddq xmm0, [ecx+i*16])\ |
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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
|
|
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