| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../../include/fxcrt/fx_basic.h" |
| #include "../../../include/fdrm/fx_crypt.h" |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| typedef struct { |
| unsigned int h[5]; |
| unsigned char block[64]; |
| int blkused; |
| unsigned int lenhi, lenlo; |
| } SHA_State; |
| #define rol(x,y) ( ((x) << (y)) | (((unsigned int)x) >> (32-y)) ) |
| static void SHA_Core_Init(unsigned int h[5]) |
| { |
| h[0] = 0x67452301; |
| h[1] = 0xefcdab89; |
| h[2] = 0x98badcfe; |
| h[3] = 0x10325476; |
| h[4] = 0xc3d2e1f0; |
| } |
| static void SHATransform(unsigned int * digest, unsigned int * block) |
| { |
| unsigned int w[80]; |
| unsigned int a, b, c, d, e; |
| int t; |
| for (t = 0; t < 16; t++) { |
| w[t] = block[t]; |
| } |
| for (t = 16; t < 80; t++) { |
| unsigned int tmp = w[t - 3] ^ w[t - 8] ^ w[t - 14] ^ w[t - 16]; |
| w[t] = rol(tmp, 1); |
| } |
| a = digest[0]; |
| b = digest[1]; |
| c = digest[2]; |
| d = digest[3]; |
| e = digest[4]; |
| for (t = 0; t < 20; t++) { |
| unsigned int tmp = |
| rol(a, 5) + ((b & c) | (d & ~b)) + e + w[t] + 0x5a827999; |
| e = d; |
| d = c; |
| c = rol(b, 30); |
| b = a; |
| a = tmp; |
| } |
| for (t = 20; t < 40; t++) { |
| unsigned int tmp = rol(a, 5) + (b ^ c ^ d) + e + w[t] + 0x6ed9eba1; |
| e = d; |
| d = c; |
| c = rol(b, 30); |
| b = a; |
| a = tmp; |
| } |
| for (t = 40; t < 60; t++) { |
| unsigned int tmp = rol(a, |
| 5) + ((b & c) | (b & d) | (c & d)) + e + w[t] + |
| 0x8f1bbcdc; |
| e = d; |
| d = c; |
| c = rol(b, 30); |
| b = a; |
| a = tmp; |
| } |
| for (t = 60; t < 80; t++) { |
| unsigned int tmp = rol(a, 5) + (b ^ c ^ d) + e + w[t] + 0xca62c1d6; |
| e = d; |
| d = c; |
| c = rol(b, 30); |
| b = a; |
| a = tmp; |
| } |
| digest[0] += a; |
| digest[1] += b; |
| digest[2] += c; |
| digest[3] += d; |
| digest[4] += e; |
| } |
| void CRYPT_SHA1Start(FX_LPVOID context) |
| { |
| SHA_State * s = (SHA_State*)context; |
| SHA_Core_Init(s->h); |
| s->blkused = 0; |
| s->lenhi = s->lenlo = 0; |
| } |
| void CRYPT_SHA1Update(FX_LPVOID context, FX_LPCBYTE data, FX_DWORD size) |
| { |
| SHA_State * s = (SHA_State*)context; |
| unsigned char *q = (unsigned char *)data; |
| unsigned int wordblock[16]; |
| int len = size; |
| unsigned int lenw = len; |
| int i; |
| s->lenlo += lenw; |
| s->lenhi += (s->lenlo < lenw); |
| if (s->blkused && s->blkused + len < 64) { |
| FXSYS_memcpy32(s->block + s->blkused, q, len); |
| s->blkused += len; |
| } else { |
| while (s->blkused + len >= 64) { |
| FXSYS_memcpy32(s->block + s->blkused, q, 64 - s->blkused); |
| q += 64 - s->blkused; |
| len -= 64 - s->blkused; |
| for (i = 0; i < 16; i++) { |
| wordblock[i] = |
| (((unsigned int) s->block[i * 4 + 0]) << 24) | |
| (((unsigned int) s->block[i * 4 + 1]) << 16) | |
| (((unsigned int) s->block[i * 4 + 2]) << 8) | |
| (((unsigned int) s->block[i * 4 + 3]) << 0); |
| } |
| SHATransform(s->h, wordblock); |
| s->blkused = 0; |
| } |
| FXSYS_memcpy32(s->block, q, len); |
| s->blkused = len; |
| } |
| } |
| void CRYPT_SHA1Finish(FX_LPVOID context, FX_BYTE digest[20]) |
| { |
| SHA_State * s = (SHA_State*)context; |
| int i; |
| int pad; |
| unsigned char c[64]; |
| unsigned int lenhi, lenlo; |
| if (s->blkused >= 56) { |
| pad = 56 + 64 - s->blkused; |
| } else { |
| pad = 56 - s->blkused; |
| } |
| lenhi = (s->lenhi << 3) | (s->lenlo >> (32 - 3)); |
| lenlo = (s->lenlo << 3); |
| FXSYS_memset32(c, 0, pad); |
| c[0] = 0x80; |
| CRYPT_SHA1Update(s, c, pad); |
| c[0] = (lenhi >> 24) & 0xFF; |
| c[1] = (lenhi >> 16) & 0xFF; |
| c[2] = (lenhi >> 8) & 0xFF; |
| c[3] = (lenhi >> 0) & 0xFF; |
| c[4] = (lenlo >> 24) & 0xFF; |
| c[5] = (lenlo >> 16) & 0xFF; |
| c[6] = (lenlo >> 8) & 0xFF; |
| c[7] = (lenlo >> 0) & 0xFF; |
| CRYPT_SHA1Update(s, c, 8); |
| for (i = 0; i < 5; i++) { |
| digest[i * 4] = (s->h[i] >> 24) & 0xFF; |
| digest[i * 4 + 1] = (s->h[i] >> 16) & 0xFF; |
| digest[i * 4 + 2] = (s->h[i] >> 8) & 0xFF; |
| digest[i * 4 + 3] = (s->h[i]) & 0xFF; |
| } |
| } |
| void CRYPT_SHA1Generate(FX_LPCBYTE data, FX_DWORD size, FX_BYTE digest[20]) |
| { |
| SHA_State s; |
| CRYPT_SHA1Start(&s); |
| CRYPT_SHA1Update(&s, data, size); |
| CRYPT_SHA1Finish(&s, digest); |
| } |
| typedef struct { |
| FX_DWORD total[2]; |
| FX_DWORD state[8]; |
| FX_BYTE buffer[64]; |
| } |
| sha256_context; |
| #define GET_FX_DWORD(n,b,i) \ |
| { \ |
| (n) = ( (FX_DWORD) (b)[(i) ] << 24 ) \ |
| | ( (FX_DWORD) (b)[(i) + 1] << 16 ) \ |
| | ( (FX_DWORD) (b)[(i) + 2] << 8 ) \ |
| | ( (FX_DWORD) (b)[(i) + 3] ); \ |
| } |
| #define PUT_FX_DWORD(n,b,i) \ |
| { \ |
| (b)[(i) ] = (FX_BYTE) ( (n) >> 24 ); \ |
| (b)[(i) + 1] = (FX_BYTE) ( (n) >> 16 ); \ |
| (b)[(i) + 2] = (FX_BYTE) ( (n) >> 8 ); \ |
| (b)[(i) + 3] = (FX_BYTE) ( (n) ); \ |
| } |
| void CRYPT_SHA256Start( FX_LPVOID context ) |
| { |
| sha256_context *ctx = (sha256_context *)context; |
| ctx->total[0] = 0; |
| ctx->total[1] = 0; |
| ctx->state[0] = 0x6A09E667; |
| ctx->state[1] = 0xBB67AE85; |
| ctx->state[2] = 0x3C6EF372; |
| ctx->state[3] = 0xA54FF53A; |
| ctx->state[4] = 0x510E527F; |
| ctx->state[5] = 0x9B05688C; |
| ctx->state[6] = 0x1F83D9AB; |
| ctx->state[7] = 0x5BE0CD19; |
| } |
| static void sha256_process( sha256_context *ctx, const FX_BYTE data[64] ) |
| { |
| FX_DWORD temp1, temp2, W[64]; |
| FX_DWORD A, B, C, D, E, F, G, H; |
| GET_FX_DWORD( W[0], data, 0 ); |
| GET_FX_DWORD( W[1], data, 4 ); |
| GET_FX_DWORD( W[2], data, 8 ); |
| GET_FX_DWORD( W[3], data, 12 ); |
| GET_FX_DWORD( W[4], data, 16 ); |
| GET_FX_DWORD( W[5], data, 20 ); |
| GET_FX_DWORD( W[6], data, 24 ); |
| GET_FX_DWORD( W[7], data, 28 ); |
| GET_FX_DWORD( W[8], data, 32 ); |
| GET_FX_DWORD( W[9], data, 36 ); |
| GET_FX_DWORD( W[10], data, 40 ); |
| GET_FX_DWORD( W[11], data, 44 ); |
| GET_FX_DWORD( W[12], data, 48 ); |
| GET_FX_DWORD( W[13], data, 52 ); |
| GET_FX_DWORD( W[14], data, 56 ); |
| GET_FX_DWORD( W[15], data, 60 ); |
| #define SHR(x,n) ((x & 0xFFFFFFFF) >> n) |
| #define ROTR(x,n) (SHR(x,n) | (x << (32 - n))) |
| #define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3)) |
| #define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10)) |
| #define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22)) |
| #define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25)) |
| #define F0(x,y,z) ((x & y) | (z & (x | y))) |
| #define F1(x,y,z) (z ^ (x & (y ^ z))) |
| #define R(t) \ |
| ( \ |
| W[t] = S1(W[t - 2]) + W[t - 7] + \ |
| S0(W[t - 15]) + W[t - 16] \ |
| ) |
| #define P(a,b,c,d,e,f,g,h,x,K) \ |
| { \ |
| temp1 = h + S3(e) + F1(e,f,g) + K + x; \ |
| temp2 = S2(a) + F0(a,b,c); \ |
| d += temp1; h = temp1 + temp2; \ |
| } |
| A = ctx->state[0]; |
| B = ctx->state[1]; |
| C = ctx->state[2]; |
| D = ctx->state[3]; |
| E = ctx->state[4]; |
| F = ctx->state[5]; |
| G = ctx->state[6]; |
| H = ctx->state[7]; |
| P( A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98 ); |
| P( H, A, B, C, D, E, F, G, W[ 1], 0x71374491 ); |
| P( G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF ); |
| P( F, G, H, A, B, C, D, E, W[ 3], 0xE9B5DBA5 ); |
| P( E, F, G, H, A, B, C, D, W[ 4], 0x3956C25B ); |
| P( D, E, F, G, H, A, B, C, W[ 5], 0x59F111F1 ); |
| P( C, D, E, F, G, H, A, B, W[ 6], 0x923F82A4 ); |
| P( B, C, D, E, F, G, H, A, W[ 7], 0xAB1C5ED5 ); |
| P( A, B, C, D, E, F, G, H, W[ 8], 0xD807AA98 ); |
| P( H, A, B, C, D, E, F, G, W[ 9], 0x12835B01 ); |
| P( G, H, A, B, C, D, E, F, W[10], 0x243185BE ); |
| P( F, G, H, A, B, C, D, E, W[11], 0x550C7DC3 ); |
| P( E, F, G, H, A, B, C, D, W[12], 0x72BE5D74 ); |
| P( D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE ); |
| P( C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7 ); |
| P( B, C, D, E, F, G, H, A, W[15], 0xC19BF174 ); |
| P( A, B, C, D, E, F, G, H, R(16), 0xE49B69C1 ); |
| P( H, A, B, C, D, E, F, G, R(17), 0xEFBE4786 ); |
| P( G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6 ); |
| P( F, G, H, A, B, C, D, E, R(19), 0x240CA1CC ); |
| P( E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F ); |
| P( D, E, F, G, H, A, B, C, R(21), 0x4A7484AA ); |
| P( C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC ); |
| P( B, C, D, E, F, G, H, A, R(23), 0x76F988DA ); |
| P( A, B, C, D, E, F, G, H, R(24), 0x983E5152 ); |
| P( H, A, B, C, D, E, F, G, R(25), 0xA831C66D ); |
| P( G, H, A, B, C, D, E, F, R(26), 0xB00327C8 ); |
| P( F, G, H, A, B, C, D, E, R(27), 0xBF597FC7 ); |
| P( E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3 ); |
| P( D, E, F, G, H, A, B, C, R(29), 0xD5A79147 ); |
| P( C, D, E, F, G, H, A, B, R(30), 0x06CA6351 ); |
| P( B, C, D, E, F, G, H, A, R(31), 0x14292967 ); |
| P( A, B, C, D, E, F, G, H, R(32), 0x27B70A85 ); |
| P( H, A, B, C, D, E, F, G, R(33), 0x2E1B2138 ); |
| P( G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC ); |
| P( F, G, H, A, B, C, D, E, R(35), 0x53380D13 ); |
| P( E, F, G, H, A, B, C, D, R(36), 0x650A7354 ); |
| P( D, E, F, G, H, A, B, C, R(37), 0x766A0ABB ); |
| P( C, D, E, F, G, H, A, B, R(38), 0x81C2C92E ); |
| P( B, C, D, E, F, G, H, A, R(39), 0x92722C85 ); |
| P( A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1 ); |
| P( H, A, B, C, D, E, F, G, R(41), 0xA81A664B ); |
| P( G, H, A, B, C, D, E, F, R(42), 0xC24B8B70 ); |
| P( F, G, H, A, B, C, D, E, R(43), 0xC76C51A3 ); |
| P( E, F, G, H, A, B, C, D, R(44), 0xD192E819 ); |
| P( D, E, F, G, H, A, B, C, R(45), 0xD6990624 ); |
| P( C, D, E, F, G, H, A, B, R(46), 0xF40E3585 ); |
| P( B, C, D, E, F, G, H, A, R(47), 0x106AA070 ); |
| P( A, B, C, D, E, F, G, H, R(48), 0x19A4C116 ); |
| P( H, A, B, C, D, E, F, G, R(49), 0x1E376C08 ); |
| P( G, H, A, B, C, D, E, F, R(50), 0x2748774C ); |
| P( F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5 ); |
| P( E, F, G, H, A, B, C, D, R(52), 0x391C0CB3 ); |
| P( D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A ); |
| P( C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F ); |
| P( B, C, D, E, F, G, H, A, R(55), 0x682E6FF3 ); |
| P( A, B, C, D, E, F, G, H, R(56), 0x748F82EE ); |
| P( H, A, B, C, D, E, F, G, R(57), 0x78A5636F ); |
| P( G, H, A, B, C, D, E, F, R(58), 0x84C87814 ); |
| P( F, G, H, A, B, C, D, E, R(59), 0x8CC70208 ); |
| P( E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA ); |
| P( D, E, F, G, H, A, B, C, R(61), 0xA4506CEB ); |
| P( C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7 ); |
| P( B, C, D, E, F, G, H, A, R(63), 0xC67178F2 ); |
| ctx->state[0] += A; |
| ctx->state[1] += B; |
| ctx->state[2] += C; |
| ctx->state[3] += D; |
| ctx->state[4] += E; |
| ctx->state[5] += F; |
| ctx->state[6] += G; |
| ctx->state[7] += H; |
| } |
| void CRYPT_SHA256Update( void* context, FX_LPCBYTE input, FX_DWORD length ) |
| { |
| sha256_context *ctx = (sha256_context *)context; |
| FX_DWORD left, fill; |
| if( ! length ) { |
| return; |
| } |
| left = ctx->total[0] & 0x3F; |
| fill = 64 - left; |
| ctx->total[0] += length; |
| ctx->total[0] &= 0xFFFFFFFF; |
| if( ctx->total[0] < length ) { |
| ctx->total[1]++; |
| } |
| if( left && length >= fill ) { |
| FXSYS_memcpy32( (void *) (ctx->buffer + left), |
| (void *) input, fill ); |
| sha256_process( ctx, ctx->buffer ); |
| length -= fill; |
| input += fill; |
| left = 0; |
| } |
| while( length >= 64 ) { |
| sha256_process( ctx, input ); |
| length -= 64; |
| input += 64; |
| } |
| if( length ) { |
| FXSYS_memcpy32( (void *) (ctx->buffer + left), |
| (void *) input, length ); |
| } |
| } |
| static const FX_BYTE sha256_padding[64] = { |
| 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
| }; |
| void CRYPT_SHA256Finish( FX_LPVOID context, FX_BYTE digest[32] ) |
| { |
| sha256_context *ctx = (sha256_context *)context; |
| FX_DWORD last, padn; |
| FX_DWORD high, low; |
| FX_BYTE msglen[8]; |
| high = ( ctx->total[0] >> 29 ) |
| | ( ctx->total[1] << 3 ); |
| low = ( ctx->total[0] << 3 ); |
| PUT_FX_DWORD( high, msglen, 0 ); |
| PUT_FX_DWORD( low, msglen, 4 ); |
| last = ctx->total[0] & 0x3F; |
| padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); |
| CRYPT_SHA256Update( ctx, sha256_padding, padn ); |
| CRYPT_SHA256Update( ctx, msglen, 8 ); |
| PUT_FX_DWORD( ctx->state[0], digest, 0 ); |
| PUT_FX_DWORD( ctx->state[1], digest, 4 ); |
| PUT_FX_DWORD( ctx->state[2], digest, 8 ); |
| PUT_FX_DWORD( ctx->state[3], digest, 12 ); |
| PUT_FX_DWORD( ctx->state[4], digest, 16 ); |
| PUT_FX_DWORD( ctx->state[5], digest, 20 ); |
| PUT_FX_DWORD( ctx->state[6], digest, 24 ); |
| PUT_FX_DWORD( ctx->state[7], digest, 28 ); |
| } |
| void CRYPT_SHA256Generate(FX_LPCBYTE data, FX_DWORD size, FX_BYTE digest[32]) |
| { |
| sha256_context ctx; |
| CRYPT_SHA256Start(&ctx); |
| CRYPT_SHA256Update(&ctx, data, size); |
| CRYPT_SHA256Finish(&ctx, digest); |
| } |
| typedef struct { |
| FX_UINT64 total[2]; |
| FX_UINT64 state[8]; |
| FX_BYTE buffer[128]; |
| } sha384_context; |
| FX_UINT64 FX_ato64i(FX_LPCSTR str) |
| { |
| FXSYS_assert(str != NULL); |
| FX_UINT64 ret = 0; |
| int len = (int)FXSYS_strlen(str); |
| len = len > 16 ? 16 : len; |
| for (int i = 0; i < len; ++i) { |
| if (i) { |
| ret <<= 4; |
| } |
| if (str[i] >= '0' && str[i] <= '9') { |
| ret |= (str[i] - '0') & 0xFF; |
| } else if (str[i] >= 'a' && str[i] <= 'f') { |
| ret |= (str[i] - 'a' + 10) & 0xFF; |
| } else if (str[i] >= 'A' && str[i] <= 'F') { |
| ret |= (str[i] - 'A' + 10) & 0xFF; |
| } else { |
| FXSYS_assert(FALSE); |
| } |
| } |
| return ret; |
| } |
| void CRYPT_SHA384Start(FX_LPVOID context) |
| { |
| if (context == NULL) { |
| return; |
| } |
| sha384_context *ctx = (sha384_context *)context; |
| FXSYS_memset32(ctx, 0, sizeof(sha384_context)); |
| ctx->state[0] = FX_ato64i("cbbb9d5dc1059ed8"); |
| ctx->state[1] = FX_ato64i("629a292a367cd507"); |
| ctx->state[2] = FX_ato64i("9159015a3070dd17"); |
| ctx->state[3] = FX_ato64i("152fecd8f70e5939"); |
| ctx->state[4] = FX_ato64i("67332667ffc00b31"); |
| ctx->state[5] = FX_ato64i("8eb44a8768581511"); |
| ctx->state[6] = FX_ato64i("db0c2e0d64f98fa7"); |
| ctx->state[7] = FX_ato64i("47b5481dbefa4fa4"); |
| } |
| #define SHA384_F0(x,y,z) ((x & y) | (z & (x | y))) |
| #define SHA384_F1(x,y,z) (z ^ (x & (y ^ z))) |
| #define SHA384_SHR(x,n) (x >> n) |
| #define SHA384_ROTR(x,n) (SHA384_SHR(x, n) | x << (64 - n)) |
| #define SHA384_S0(x) (SHA384_ROTR(x, 1) ^ SHA384_ROTR(x, 8) ^ SHA384_SHR(x, 7)) |
| #define SHA384_S1(x) (SHA384_ROTR(x,19) ^ SHA384_ROTR(x, 61) ^ SHA384_SHR(x, 6)) |
| #define SHA384_S2(x) (SHA384_ROTR(x, 28) ^ SHA384_ROTR(x, 34) ^ SHA384_ROTR(x, 39)) |
| #define SHA384_S3(x) (SHA384_ROTR(x, 14) ^ SHA384_ROTR(x,18) ^ SHA384_ROTR(x, 41)) |
| #define SHA384_P(a,b,c,d,e,f,g,h,x,K) \ |
| { \ |
| temp1 = h + SHA384_S3(e) + SHA384_F1(e,f,g) + K + x; \ |
| temp2 = SHA384_S2(a) + SHA384_F0(a,b,c); \ |
| d += temp1; h = temp1 + temp2; \ |
| } |
| static const FX_BYTE sha384_padding[128] = { |
| 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| }; |
| #define SHA384_R(t) (W[t] = SHA384_S1(W[t - 2]) + W[t - 7] + SHA384_S0(W[t - 15]) + W[t - 16]) |
| static FX_LPCSTR constants[] = { |
| "428a2f98d728ae22", |
| "7137449123ef65cd", |
| "b5c0fbcfec4d3b2f", |
| "e9b5dba58189dbbc", |
| "3956c25bf348b538", |
| "59f111f1b605d019", |
| "923f82a4af194f9b", |
| "ab1c5ed5da6d8118", |
| "d807aa98a3030242", |
| "12835b0145706fbe", |
| "243185be4ee4b28c", |
| "550c7dc3d5ffb4e2", |
| "72be5d74f27b896f", |
| "80deb1fe3b1696b1", |
| "9bdc06a725c71235", |
| "c19bf174cf692694", |
| "e49b69c19ef14ad2", |
| "efbe4786384f25e3", |
| "0fc19dc68b8cd5b5", |
| "240ca1cc77ac9c65", |
| "2de92c6f592b0275", |
| "4a7484aa6ea6e483", |
| "5cb0a9dcbd41fbd4", |
| "76f988da831153b5", |
| "983e5152ee66dfab", |
| "a831c66d2db43210", |
| "b00327c898fb213f", |
| "bf597fc7beef0ee4", |
| "c6e00bf33da88fc2", |
| "d5a79147930aa725", |
| "06ca6351e003826f", |
| "142929670a0e6e70", |
| "27b70a8546d22ffc", |
| "2e1b21385c26c926", |
| "4d2c6dfc5ac42aed", |
| "53380d139d95b3df", |
| "650a73548baf63de", |
| "766a0abb3c77b2a8", |
| "81c2c92e47edaee6", |
| "92722c851482353b", |
| "a2bfe8a14cf10364", |
| "a81a664bbc423001", |
| "c24b8b70d0f89791", |
| "c76c51a30654be30", |
| "d192e819d6ef5218", |
| "d69906245565a910", |
| "f40e35855771202a", |
| "106aa07032bbd1b8", |
| "19a4c116b8d2d0c8", |
| "1e376c085141ab53", |
| "2748774cdf8eeb99", |
| "34b0bcb5e19b48a8", |
| "391c0cb3c5c95a63", |
| "4ed8aa4ae3418acb", |
| "5b9cca4f7763e373", |
| "682e6ff3d6b2b8a3", |
| "748f82ee5defb2fc", |
| "78a5636f43172f60", |
| "84c87814a1f0ab72", |
| "8cc702081a6439ec", |
| "90befffa23631e28", |
| "a4506cebde82bde9", |
| "bef9a3f7b2c67915", |
| "c67178f2e372532b", |
| "ca273eceea26619c", |
| "d186b8c721c0c207", |
| "eada7dd6cde0eb1e", |
| "f57d4f7fee6ed178", |
| "06f067aa72176fba", |
| "0a637dc5a2c898a6", |
| "113f9804bef90dae", |
| "1b710b35131c471b", |
| "28db77f523047d84", |
| "32caab7b40c72493", |
| "3c9ebe0a15c9bebc", |
| "431d67c49c100d4c", |
| "4cc5d4becb3e42b6", |
| "597f299cfc657e2a", |
| "5fcb6fab3ad6faec", |
| "6c44198c4a475817", |
| }; |
| #define GET_FX_64WORD(n,b,i) \ |
| { \ |
| (n) = ( (FX_UINT64) (b)[(i) ] << 56 ) \ |
| | ( (FX_UINT64) (b)[(i) + 1] << 48 ) \ |
| | ( (FX_UINT64) (b)[(i) + 2] << 40 ) \ |
| | ( (FX_UINT64) (b)[(i) + 3] << 32 ) \ |
| | ( (FX_UINT64) (b)[(i) + 4] << 24 ) \ |
| | ( (FX_UINT64) (b)[(i) + 5] << 16 ) \ |
| | ( (FX_UINT64) (b)[(i) + 6] << 8 ) \ |
| | ( (FX_UINT64) (b)[(i) + 7] ); \ |
| } |
| #define PUT_FX_64DWORD(n,b,i) \ |
| { \ |
| (b)[(i) ] = (FX_BYTE) ( (n) >> 56 ); \ |
| (b)[(i) + 1] = (FX_BYTE) ( (n) >> 48 ); \ |
| (b)[(i) + 2] = (FX_BYTE) ( (n) >> 40 ); \ |
| (b)[(i) + 3] = (FX_BYTE) ( (n) >> 32 ); \ |
| (b)[(i) + 4] = (FX_BYTE) ( (n) >> 24 ); \ |
| (b)[(i) + 5] = (FX_BYTE) ( (n) >> 16 ); \ |
| (b)[(i) + 6] = (FX_BYTE) ( (n) >> 8 ); \ |
| (b)[(i) + 7] = (FX_BYTE) ( (n) ); \ |
| } |
| static void sha384_process( sha384_context *ctx, const FX_BYTE data[128] ) |
| { |
| FX_UINT64 temp1, temp2; |
| FX_UINT64 A, B, C, D, E, F, G, H; |
| FX_UINT64 W[80]; |
| GET_FX_64WORD(W[0], data, 0); |
| GET_FX_64WORD(W[1], data, 8); |
| GET_FX_64WORD(W[2], data, 16); |
| GET_FX_64WORD(W[3], data, 24); |
| GET_FX_64WORD(W[4], data, 32); |
| GET_FX_64WORD(W[5], data, 40); |
| GET_FX_64WORD(W[6], data, 48); |
| GET_FX_64WORD(W[7], data, 56); |
| GET_FX_64WORD(W[8], data, 64); |
| GET_FX_64WORD(W[9], data, 72); |
| GET_FX_64WORD(W[10], data, 80); |
| GET_FX_64WORD(W[11], data, 88); |
| GET_FX_64WORD(W[12], data, 96); |
| GET_FX_64WORD(W[13], data, 104); |
| GET_FX_64WORD(W[14], data, 112); |
| GET_FX_64WORD(W[15], data, 120); |
| A = ctx->state[0]; |
| B = ctx->state[1]; |
| C = ctx->state[2]; |
| D = ctx->state[3]; |
| E = ctx->state[4]; |
| F = ctx->state[5]; |
| G = ctx->state[6]; |
| H = ctx->state[7]; |
| for (int i = 0; i < 10; ++i) { |
| FX_UINT64 temp[8]; |
| if (i < 2) { |
| temp[0] = W[i * 8]; |
| temp[1] = W[i * 8 + 1]; |
| temp[2] = W[i * 8 + 2]; |
| temp[3] = W[i * 8 + 3]; |
| temp[4] = W[i * 8 + 4]; |
| temp[5] = W[i * 8 + 5]; |
| temp[6] = W[i * 8 + 6]; |
| temp[7] = W[i * 8 + 7]; |
| } else { |
| temp[0] = SHA384_R(i * 8); |
| temp[1] = SHA384_R(i * 8 + 1); |
| temp[2] = SHA384_R(i * 8 + 2); |
| temp[3] = SHA384_R(i * 8 + 3); |
| temp[4] = SHA384_R(i * 8 + 4); |
| temp[5] = SHA384_R(i * 8 + 5); |
| temp[6] = SHA384_R(i * 8 + 6); |
| temp[7] = SHA384_R(i * 8 + 7); |
| } |
| SHA384_P( A, B, C, D, E, F, G, H, temp[ 0], FX_ato64i(constants[i * 8 ]) ); |
| SHA384_P( H, A, B, C, D, E, F, G, temp[ 1], FX_ato64i(constants[i * 8 + 1]) ); |
| SHA384_P( G, H, A, B, C, D, E, F, temp[ 2], FX_ato64i(constants[i * 8 + 2]) ); |
| SHA384_P( F, G, H, A, B, C, D, E, temp[ 3], FX_ato64i(constants[i * 8 + 3]) ); |
| SHA384_P( E, F, G, H, A, B, C, D, temp[ 4], FX_ato64i(constants[i * 8 + 4]) ); |
| SHA384_P( D, E, F, G, H, A, B, C, temp[ 5], FX_ato64i(constants[i * 8 + 5]) ); |
| SHA384_P( C, D, E, F, G, H, A, B, temp[ 6], FX_ato64i(constants[i * 8 + 6]) ); |
| SHA384_P( B, C, D, E, F, G, H, A, temp[ 7], FX_ato64i(constants[i * 8 + 7]) ); |
| } |
| ctx->state[0] += A; |
| ctx->state[1] += B; |
| ctx->state[2] += C; |
| ctx->state[3] += D; |
| ctx->state[4] += E; |
| ctx->state[5] += F; |
| ctx->state[6] += G; |
| ctx->state[7] += H; |
| } |
| void CRYPT_SHA384Update(FX_LPVOID context, FX_LPCBYTE input, FX_DWORD length) |
| { |
| sha384_context *ctx = (sha384_context *)context; |
| FX_DWORD left, fill; |
| if( ! length ) { |
| return; |
| } |
| left = (FX_DWORD)ctx->total[0] & 0x7F; |
| fill = 128 - left; |
| ctx->total[0] += length; |
| if( ctx->total[0] < length ) { |
| ctx->total[1]++; |
| } |
| if( left && length >= fill ) { |
| FXSYS_memcpy32( (void *) (ctx->buffer + left), |
| (void *) input, fill ); |
| sha384_process( ctx, ctx->buffer ); |
| length -= fill; |
| input += fill; |
| left = 0; |
| } |
| while( length >= 128 ) { |
| sha384_process( ctx, input ); |
| length -= 128; |
| input += 128; |
| } |
| if( length ) { |
| FXSYS_memcpy32( (void *) (ctx->buffer + left), |
| (void *) input, length ); |
| } |
| } |
| void CRYPT_SHA384Finish(FX_LPVOID context, FX_BYTE digest[48]) |
| { |
| sha384_context *ctx = (sha384_context *)context; |
| FX_DWORD last, padn; |
| FX_BYTE msglen[16]; |
| FXSYS_memset32(msglen, 0, 16); |
| FX_UINT64 high, low; |
| high = ( ctx->total[0] >> 29 ) |
| | ( ctx->total[1] << 3 ); |
| low = ( ctx->total[0] << 3 ); |
| PUT_FX_64DWORD( high, msglen, 0 ); |
| PUT_FX_64DWORD( low, msglen, 8 ); |
| last = (FX_DWORD)ctx->total[0] & 0x7F; |
| padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last ); |
| CRYPT_SHA384Update( ctx, sha384_padding, padn ); |
| CRYPT_SHA384Update( ctx, msglen, 16 ); |
| PUT_FX_64DWORD(ctx->state[0], digest, 0); |
| PUT_FX_64DWORD(ctx->state[1], digest, 8); |
| PUT_FX_64DWORD(ctx->state[2], digest, 16); |
| PUT_FX_64DWORD(ctx->state[3], digest, 24); |
| PUT_FX_64DWORD(ctx->state[4], digest, 32); |
| PUT_FX_64DWORD(ctx->state[5], digest, 40); |
| } |
| void CRYPT_SHA384Generate(FX_LPCBYTE data, FX_DWORD size, FX_BYTE digest[64]) |
| { |
| sha384_context context; |
| CRYPT_SHA384Start(&context); |
| CRYPT_SHA384Update(&context, data, size); |
| CRYPT_SHA384Finish(&context, digest); |
| } |
| void CRYPT_SHA512Start(FX_LPVOID context) |
| { |
| if (context == NULL) { |
| return; |
| } |
| sha384_context *ctx = (sha384_context *)context; |
| FXSYS_memset32(ctx, 0, sizeof(sha384_context)); |
| ctx->state[0] = FX_ato64i("6a09e667f3bcc908"); |
| ctx->state[1] = FX_ato64i("bb67ae8584caa73b"); |
| ctx->state[2] = FX_ato64i("3c6ef372fe94f82b"); |
| ctx->state[3] = FX_ato64i("a54ff53a5f1d36f1"); |
| ctx->state[4] = FX_ato64i("510e527fade682d1"); |
| ctx->state[5] = FX_ato64i("9b05688c2b3e6c1f"); |
| ctx->state[6] = FX_ato64i("1f83d9abfb41bd6b"); |
| ctx->state[7] = FX_ato64i("5be0cd19137e2179"); |
| } |
| void CRYPT_SHA512Update(FX_LPVOID context, FX_LPCBYTE data, FX_DWORD size) |
| { |
| CRYPT_SHA384Update(context, data, size); |
| } |
| void CRYPT_SHA512Finish(FX_LPVOID context, FX_BYTE digest[64]) |
| { |
| sha384_context *ctx = (sha384_context *)context; |
| FX_DWORD last, padn; |
| FX_BYTE msglen[16]; |
| FXSYS_memset32(msglen, 0, 16); |
| FX_UINT64 high, low; |
| high = ( ctx->total[0] >> 29 ) |
| | ( ctx->total[1] << 3 ); |
| low = ( ctx->total[0] << 3 ); |
| PUT_FX_64DWORD( high, msglen, 0 ); |
| PUT_FX_64DWORD( low, msglen, 8 ); |
| last = (FX_DWORD)ctx->total[0] & 0x7F; |
| padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last ); |
| CRYPT_SHA512Update( ctx, sha384_padding, padn ); |
| CRYPT_SHA512Update( ctx, msglen, 16 ); |
| PUT_FX_64DWORD(ctx->state[0], digest, 0); |
| PUT_FX_64DWORD(ctx->state[1], digest, 8); |
| PUT_FX_64DWORD(ctx->state[2], digest, 16); |
| PUT_FX_64DWORD(ctx->state[3], digest, 24); |
| PUT_FX_64DWORD(ctx->state[4], digest, 32); |
| PUT_FX_64DWORD(ctx->state[5], digest, 40); |
| PUT_FX_64DWORD(ctx->state[6], digest, 48); |
| PUT_FX_64DWORD(ctx->state[7], digest, 56); |
| } |
| void CRYPT_SHA512Generate(FX_LPCBYTE data, FX_DWORD size, FX_BYTE digest[64]) |
| { |
| sha384_context context; |
| CRYPT_SHA512Start(&context); |
| CRYPT_SHA512Update(&context, data, size); |
| CRYPT_SHA512Finish(&context, digest); |
| } |
| #ifdef __cplusplus |
| }; |
| #endif |