diff options
Diffstat (limited to 'core/fdrm/crypto')
-rw-r--r-- | core/fdrm/crypto/fx_crypt.cpp | 260 | ||||
-rw-r--r-- | core/fdrm/crypto/fx_crypt_aes.cpp | 833 | ||||
-rw-r--r-- | core/fdrm/crypto/fx_crypt_sha.cpp | 657 |
3 files changed, 1750 insertions, 0 deletions
diff --git a/core/fdrm/crypto/fx_crypt.cpp b/core/fdrm/crypto/fx_crypt.cpp new file mode 100644 index 0000000000..c1016cdcd9 --- /dev/null +++ b/core/fdrm/crypto/fx_crypt.cpp @@ -0,0 +1,260 @@ +// 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 "core/include/fdrm/fx_crypt.h" + +#ifdef __cplusplus +extern "C" { +#endif +struct rc4_state { + int x, y, m[256]; +}; +void CRYPT_ArcFourSetup(void* context, const uint8_t* key, FX_DWORD length) { + rc4_state* s = (rc4_state*)context; + int i, j, k, *m, a; + s->x = 0; + s->y = 0; + m = s->m; + for (i = 0; i < 256; i++) { + m[i] = i; + } + j = k = 0; + for (i = 0; i < 256; i++) { + a = m[i]; + j = (j + a + key[k]) & 0xFF; + m[i] = m[j]; + m[j] = a; + if (++k >= (int)length) { + k = 0; + } + } +} +void CRYPT_ArcFourCrypt(void* context, unsigned char* data, FX_DWORD length) { + struct rc4_state* s = (struct rc4_state*)context; + int i, x, y, *m, a, b; + x = s->x; + y = s->y; + m = s->m; + for (i = 0; i < (int)length; i++) { + x = (x + 1) & 0xFF; + a = m[x]; + y = (y + a) & 0xFF; + m[x] = b = m[y]; + m[y] = a; + data[i] ^= m[(a + b) & 0xFF]; + } + s->x = x; + s->y = y; +} +void CRYPT_ArcFourCryptBlock(uint8_t* pData, + FX_DWORD size, + const uint8_t* key, + FX_DWORD keylen) { + rc4_state s; + CRYPT_ArcFourSetup(&s, key, keylen); + CRYPT_ArcFourCrypt(&s, pData, size); +} +struct md5_context { + FX_DWORD total[2]; + FX_DWORD state[4]; + uint8_t buffer[64]; +}; +#define GET_FX_DWORD(n, b, i) \ + { \ + (n) = (FX_DWORD)((uint8_t*)b)[(i)] | \ + (((FX_DWORD)((uint8_t*)b)[(i) + 1]) << 8) | \ + (((FX_DWORD)((uint8_t*)b)[(i) + 2]) << 16) | \ + (((FX_DWORD)((uint8_t*)b)[(i) + 3]) << 24); \ + } +#define PUT_FX_DWORD(n, b, i) \ + { \ + (((uint8_t*)b)[(i)]) = (uint8_t)(((n)) & 0xFF); \ + (((uint8_t*)b)[(i) + 1]) = (uint8_t)(((n) >> 8) & 0xFF); \ + (((uint8_t*)b)[(i) + 2]) = (uint8_t)(((n) >> 16) & 0xFF); \ + (((uint8_t*)b)[(i) + 3]) = (uint8_t)(((n) >> 24) & 0xFF); \ + } +void md5_process(struct md5_context* ctx, const uint8_t data[64]) { + FX_DWORD A, B, C, D, X[16]; + GET_FX_DWORD(X[0], data, 0); + GET_FX_DWORD(X[1], data, 4); + GET_FX_DWORD(X[2], data, 8); + GET_FX_DWORD(X[3], data, 12); + GET_FX_DWORD(X[4], data, 16); + GET_FX_DWORD(X[5], data, 20); + GET_FX_DWORD(X[6], data, 24); + GET_FX_DWORD(X[7], data, 28); + GET_FX_DWORD(X[8], data, 32); + GET_FX_DWORD(X[9], data, 36); + GET_FX_DWORD(X[10], data, 40); + GET_FX_DWORD(X[11], data, 44); + GET_FX_DWORD(X[12], data, 48); + GET_FX_DWORD(X[13], data, 52); + GET_FX_DWORD(X[14], data, 56); + GET_FX_DWORD(X[15], data, 60); +#define S(x, n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) +#define P(a, b, c, d, k, s, t) \ + { \ + a += F(b, c, d) + X[k] + t; \ + a = S(a, s) + b; \ + } + A = ctx->state[0]; + B = ctx->state[1]; + C = ctx->state[2]; + D = ctx->state[3]; +#define F(x, y, z) (z ^ (x & (y ^ z))) + P(A, B, C, D, 0, 7, 0xD76AA478); + P(D, A, B, C, 1, 12, 0xE8C7B756); + P(C, D, A, B, 2, 17, 0x242070DB); + P(B, C, D, A, 3, 22, 0xC1BDCEEE); + P(A, B, C, D, 4, 7, 0xF57C0FAF); + P(D, A, B, C, 5, 12, 0x4787C62A); + P(C, D, A, B, 6, 17, 0xA8304613); + P(B, C, D, A, 7, 22, 0xFD469501); + P(A, B, C, D, 8, 7, 0x698098D8); + P(D, A, B, C, 9, 12, 0x8B44F7AF); + P(C, D, A, B, 10, 17, 0xFFFF5BB1); + P(B, C, D, A, 11, 22, 0x895CD7BE); + P(A, B, C, D, 12, 7, 0x6B901122); + P(D, A, B, C, 13, 12, 0xFD987193); + P(C, D, A, B, 14, 17, 0xA679438E); + P(B, C, D, A, 15, 22, 0x49B40821); +#undef F +#define F(x, y, z) (y ^ (z & (x ^ y))) + P(A, B, C, D, 1, 5, 0xF61E2562); + P(D, A, B, C, 6, 9, 0xC040B340); + P(C, D, A, B, 11, 14, 0x265E5A51); + P(B, C, D, A, 0, 20, 0xE9B6C7AA); + P(A, B, C, D, 5, 5, 0xD62F105D); + P(D, A, B, C, 10, 9, 0x02441453); + P(C, D, A, B, 15, 14, 0xD8A1E681); + P(B, C, D, A, 4, 20, 0xE7D3FBC8); + P(A, B, C, D, 9, 5, 0x21E1CDE6); + P(D, A, B, C, 14, 9, 0xC33707D6); + P(C, D, A, B, 3, 14, 0xF4D50D87); + P(B, C, D, A, 8, 20, 0x455A14ED); + P(A, B, C, D, 13, 5, 0xA9E3E905); + P(D, A, B, C, 2, 9, 0xFCEFA3F8); + P(C, D, A, B, 7, 14, 0x676F02D9); + P(B, C, D, A, 12, 20, 0x8D2A4C8A); +#undef F +#define F(x, y, z) (x ^ y ^ z) + P(A, B, C, D, 5, 4, 0xFFFA3942); + P(D, A, B, C, 8, 11, 0x8771F681); + P(C, D, A, B, 11, 16, 0x6D9D6122); + P(B, C, D, A, 14, 23, 0xFDE5380C); + P(A, B, C, D, 1, 4, 0xA4BEEA44); + P(D, A, B, C, 4, 11, 0x4BDECFA9); + P(C, D, A, B, 7, 16, 0xF6BB4B60); + P(B, C, D, A, 10, 23, 0xBEBFBC70); + P(A, B, C, D, 13, 4, 0x289B7EC6); + P(D, A, B, C, 0, 11, 0xEAA127FA); + P(C, D, A, B, 3, 16, 0xD4EF3085); + P(B, C, D, A, 6, 23, 0x04881D05); + P(A, B, C, D, 9, 4, 0xD9D4D039); + P(D, A, B, C, 12, 11, 0xE6DB99E5); + P(C, D, A, B, 15, 16, 0x1FA27CF8); + P(B, C, D, A, 2, 23, 0xC4AC5665); +#undef F +#define F(x, y, z) (y ^ (x | ~z)) + P(A, B, C, D, 0, 6, 0xF4292244); + P(D, A, B, C, 7, 10, 0x432AFF97); + P(C, D, A, B, 14, 15, 0xAB9423A7); + P(B, C, D, A, 5, 21, 0xFC93A039); + P(A, B, C, D, 12, 6, 0x655B59C3); + P(D, A, B, C, 3, 10, 0x8F0CCC92); + P(C, D, A, B, 10, 15, 0xFFEFF47D); + P(B, C, D, A, 1, 21, 0x85845DD1); + P(A, B, C, D, 8, 6, 0x6FA87E4F); + P(D, A, B, C, 15, 10, 0xFE2CE6E0); + P(C, D, A, B, 6, 15, 0xA3014314); + P(B, C, D, A, 13, 21, 0x4E0811A1); + P(A, B, C, D, 4, 6, 0xF7537E82); + P(D, A, B, C, 11, 10, 0xBD3AF235); + P(C, D, A, B, 2, 15, 0x2AD7D2BB); + P(B, C, D, A, 9, 21, 0xEB86D391); +#undef F + ctx->state[0] += A; + ctx->state[1] += B; + ctx->state[2] += C; + ctx->state[3] += D; +} +void CRYPT_MD5Start(void* context) { + struct md5_context* ctx = (struct md5_context*)context; + ctx->total[0] = 0; + ctx->total[1] = 0; + ctx->state[0] = 0x67452301; + ctx->state[1] = 0xEFCDAB89; + ctx->state[2] = 0x98BADCFE; + ctx->state[3] = 0x10325476; +} +void CRYPT_MD5Update(void* pctx, const uint8_t* input, FX_DWORD length) { + struct md5_context* ctx = (struct md5_context*)pctx; + FX_DWORD left, fill; + if (!length) { + return; + } + left = (ctx->total[0] >> 3) & 0x3F; + fill = 64 - left; + ctx->total[0] += length << 3; + ctx->total[1] += length >> 29; + ctx->total[0] &= 0xFFFFFFFF; + ctx->total[1] += ctx->total[0] < length << 3; + if (left && length >= fill) { + FXSYS_memcpy((void*)(ctx->buffer + left), (void*)input, fill); + md5_process(ctx, ctx->buffer); + length -= fill; + input += fill; + left = 0; + } + while (length >= 64) { + md5_process(ctx, input); + length -= 64; + input += 64; + } + if (length) { + FXSYS_memcpy((void*)(ctx->buffer + left), (void*)input, length); + } +} +const uint8_t md5_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_MD5Finish(void* pctx, uint8_t digest[16]) { + struct md5_context* ctx = (struct md5_context*)pctx; + FX_DWORD last, padn; + uint8_t msglen[8]; + PUT_FX_DWORD(ctx->total[0], msglen, 0); + PUT_FX_DWORD(ctx->total[1], msglen, 4); + last = (ctx->total[0] >> 3) & 0x3F; + padn = (last < 56) ? (56 - last) : (120 - last); + CRYPT_MD5Update(ctx, md5_padding, padn); + CRYPT_MD5Update(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); +} +void CRYPT_MD5Generate(const uint8_t* input, + FX_DWORD length, + uint8_t digest[16]) { + md5_context ctx; + CRYPT_MD5Start(&ctx); + CRYPT_MD5Update(&ctx, input, length); + CRYPT_MD5Finish(&ctx, digest); +} +static FX_BOOL (*g_PubKeyDecryptor)(const uint8_t* pData, + FX_DWORD size, + uint8_t* data_buf, + FX_DWORD& data_len) = NULL; +void CRYPT_SetPubKeyDecryptor(FX_BOOL (*func)(const uint8_t* pData, + FX_DWORD size, + uint8_t* data_buf, + FX_DWORD& data_len)) { + g_PubKeyDecryptor = func; +} +#ifdef __cplusplus +}; +#endif diff --git a/core/fdrm/crypto/fx_crypt_aes.cpp b/core/fdrm/crypto/fx_crypt_aes.cpp new file mode 100644 index 0000000000..d27783f820 --- /dev/null +++ b/core/fdrm/crypto/fx_crypt_aes.cpp @@ -0,0 +1,833 @@ +// 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 "core/include/fdrm/fx_crypt.h" + +#ifdef __cplusplus +extern "C" { +#endif +#define MAX_NR 14 +#define MAX_NK 8 +#define MAX_NB 8 +#define mulby2(x) (((x & 0x7F) << 1) ^ (x & 0x80 ? 0x1B : 0)) +#define GET_32BIT_MSB_FIRST(cp) \ + (((unsigned long)(unsigned char)(cp)[3]) | \ + ((unsigned long)(unsigned char)(cp)[2] << 8) | \ + ((unsigned long)(unsigned char)(cp)[1] << 16) | \ + ((unsigned long)(unsigned char)(cp)[0] << 24)) +#define PUT_32BIT_MSB_FIRST(cp, value) \ + do { \ + (cp)[3] = (value); \ + (cp)[2] = (value) >> 8; \ + (cp)[1] = (value) >> 16; \ + (cp)[0] = (value) >> 24; \ + } while (0) +struct AESContext { + unsigned int keysched[(MAX_NR + 1) * MAX_NB]; + unsigned int invkeysched[(MAX_NR + 1) * MAX_NB]; + void (*encrypt)(AESContext* ctx, unsigned int* block); + void (*decrypt)(AESContext* ctx, unsigned int* block); + unsigned int iv[MAX_NB]; + int Nb, Nr; +}; +static const unsigned char Sbox[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}; +static const unsigned char Sboxinv[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}; +static const unsigned int E0[256] = { + 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, + 0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, + 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d, + 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, + 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, + 0xe4727296, 0x9bc0c05b, 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, + 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 0x6834345c, 0x51a5a5f4, + 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, + 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, + 0x0a05050f, 0x2f9a9ab5, 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, + 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 0x1209091b, 0x1d83839e, + 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, + 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, + 0x5e2f2f71, 0x13848497, 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, + 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 0xd46a6abe, 0x8dcbcb46, + 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, + 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, + 0x66333355, 0x11858594, 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, + 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 0xa25151f3, 0x5da3a3fe, + 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, + 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, + 0xfdf3f30e, 0xbfd2d26d, 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, + 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 0x93c4c457, 0x55a7a7f2, + 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, + 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, + 0x3b9090ab, 0x0b888883, 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, + 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 0xdbe0e03b, 0x64323256, + 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, + 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, + 0xd3e4e437, 0xf279798b, 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, + 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 0xd86c6cb4, 0xac5656fa, + 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, + 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, + 0x73b4b4c7, 0x97c6c651, 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, + 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, 0xe0707090, 0x7c3e3e42, + 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, + 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, + 0x3a1d1d27, 0x279e9eb9, 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, + 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, 0x2d9b9bb6, 0x3c1e1e22, + 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, + 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, + 0x844242c6, 0xd06868b8, 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, + 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a, +}; +static const unsigned int E1[256] = { + 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, + 0xb1de6f6f, 0x5491c5c5, 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, + 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 0x458fcaca, 0x9d1f8282, + 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, + 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, + 0x96e47272, 0x5b9bc0c0, 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, + 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, 0x5c683434, 0xf451a5a5, + 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, + 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, + 0x0f0a0505, 0xb52f9a9a, 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, + 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 0x1b120909, 0x9e1d8383, + 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, + 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, + 0x715e2f2f, 0x97138484, 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, + 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 0xbed46a6a, 0x468dcbcb, + 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, + 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, + 0x55663333, 0x94118585, 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, + 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 0xf3a25151, 0xfe5da3a3, + 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, + 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, + 0x0efdf3f3, 0x6dbfd2d2, 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, + 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 0x5793c4c4, 0xf255a7a7, + 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, + 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, + 0xab3b9090, 0x830b8888, 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, + 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 0x3bdbe0e0, 0x56643232, + 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, + 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, + 0x37d3e4e4, 0x8bf27979, 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, + 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 0xb4d86c6c, 0xfaac5656, + 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, + 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, + 0xc773b4b4, 0x5197c6c6, 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, + 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 0x90e07070, 0x427c3e3e, + 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, + 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, + 0x273a1d1d, 0xb9279e9e, 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, + 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 0xb62d9b9b, 0x223c1e1e, + 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, + 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, + 0xc6844242, 0xb8d06868, 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, + 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616, +}; +static const unsigned int E2[256] = { + 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, + 0x6fb1de6f, 0xc55491c5, 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, + 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 0xca458fca, 0x829d1f82, + 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, + 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, + 0x7296e472, 0xc05b9bc0, 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, + 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 0x345c6834, 0xa5f451a5, + 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, + 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, + 0x050f0a05, 0x9ab52f9a, 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, + 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 0x091b1209, 0x839e1d83, + 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, + 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, + 0x2f715e2f, 0x84971384, 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, + 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 0x6abed46a, 0xcb468dcb, + 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, + 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, + 0x33556633, 0x85941185, 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, + 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 0x51f3a251, 0xa3fe5da3, + 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, + 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, + 0xf30efdf3, 0xd26dbfd2, 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, + 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 0xc45793c4, 0xa7f255a7, + 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, + 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, + 0x90ab3b90, 0x88830b88, 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, + 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, 0xe03bdbe0, 0x32566432, + 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, + 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, + 0xe437d3e4, 0x798bf279, 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, + 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 0x6cb4d86c, 0x56faac56, + 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, + 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, + 0xb4c773b4, 0xc65197c6, 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, + 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 0x7090e070, 0x3e427c3e, + 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, + 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, + 0x1d273a1d, 0x9eb9279e, 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, + 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 0x9bb62d9b, 0x1e223c1e, + 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, + 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, + 0x42c68442, 0x68b8d068, 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, + 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16, +}; +static const unsigned int E3[256] = { + 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, + 0x6f6fb1de, 0xc5c55491, 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, + 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 0xcaca458f, 0x82829d1f, + 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, + 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, + 0x727296e4, 0xc0c05b9b, 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, + 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 0x34345c68, 0xa5a5f451, + 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, + 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, + 0x05050f0a, 0x9a9ab52f, 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, + 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 0x09091b12, 0x83839e1d, + 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, + 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, + 0x2f2f715e, 0x84849713, 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, + 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 0x6a6abed4, 0xcbcb468d, + 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, + 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, + 0x33335566, 0x85859411, 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, + 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 0x5151f3a2, 0xa3a3fe5d, + 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, + 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, + 0xf3f30efd, 0xd2d26dbf, 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, + 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 0xc4c45793, 0xa7a7f255, + 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, + 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, + 0x9090ab3b, 0x8888830b, 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, + 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, 0xe0e03bdb, 0x32325664, + 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, + 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, + 0xe4e437d3, 0x79798bf2, 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, + 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 0x6c6cb4d8, 0x5656faac, + 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, + 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, + 0xb4b4c773, 0xc6c65197, 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, + 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 0x707090e0, 0x3e3e427c, + 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, + 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, + 0x1d1d273a, 0x9e9eb927, 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, + 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 0x9b9bb62d, 0x1e1e223c, + 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, + 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, + 0x4242c684, 0x6868b8d0, 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, + 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c, +}; +static const unsigned int D0[256] = { + 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, + 0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, + 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67, + 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, + 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, + 0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, + 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182, + 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, + 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, + 0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, + 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492, + 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, + 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, + 0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, + 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997, + 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, + 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, + 0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, + 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f, + 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, + 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, + 0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, + 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc, + 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, + 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, + 0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, + 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1, + 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, + 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, + 0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, + 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4, + 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, + 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, + 0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, + 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d, + 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, + 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, + 0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, + 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f, + 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, + 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, + 0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, + 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742, +}; +static const unsigned int D1[256] = { + 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, + 0xabacfa58, 0x934be303, 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, + 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 0x49deb15a, 0x6725ba1b, + 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, + 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, + 0x2949e069, 0x448ec9c8, 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, + 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 0x1863df4a, 0x82e51a31, + 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, + 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, + 0x57e31f8f, 0x2a6655ab, 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, + 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 0x2b8acf1c, 0x92a779b4, + 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, + 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, + 0x065e719f, 0x51bd6e10, 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, + 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, 0x241998fb, 0x97d6bde9, + 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, + 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, + 0xac1e1170, 0x4e6c5a72, 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, + 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 0xb10c0a67, 0x0f9357e7, + 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, + 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, + 0xb92db6a8, 0xc8141ea9, 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, + 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 0x768b4329, 0xdccb23c6, + 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, + 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, + 0xec0d8652, 0xd077c1e3, 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, + 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 0xc787494e, 0xc1d938d1, + 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, + 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, + 0x5e2e39f7, 0xf582c3af, 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, + 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 0x09cd2678, 0xf46e5918, + 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, + 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, + 0x30c6a594, 0xc035a266, 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, + 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, 0x8d764dd6, 0x4d43efb0, + 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, + 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, + 0x33e91056, 0x136dd647, 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, + 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 0x599cd2df, 0x3f55f273, + 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, + 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, + 0x8b283c49, 0x41ff0d95, 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, + 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857, +}; +static const unsigned int D2[256] = { + 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, + 0x58abacfa, 0x03934be3, 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, + 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 0x5a49deb1, 0x1b6725ba, + 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, + 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, + 0x692949e0, 0xc8448ec9, 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, + 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 0x4a1863df, 0x3182e51a, + 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, + 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, + 0x8f57e31f, 0xab2a6655, 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, + 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 0x1c2b8acf, 0xb492a779, + 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, + 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, + 0x9f065e71, 0x1051bd6e, 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, + 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 0xfb241998, 0xe997d6bd, + 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, + 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, + 0x70ac1e11, 0x724e6c5a, 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, + 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 0x67b10c0a, 0xe70f9357, + 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, + 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, + 0xa8b92db6, 0xa9c8141e, 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, + 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 0x29768b43, 0xc6dccb23, + 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, + 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, + 0x52ec0d86, 0xe3d077c1, 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, + 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 0x4ec78749, 0xd1c1d938, + 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, + 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, + 0xf75e2e39, 0xaff582c3, 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, + 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 0x7809cd26, 0x18f46e59, + 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, + 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, + 0x9430c6a5, 0x66c035a2, 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, + 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 0xd68d764d, 0xb04d43ef, + 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, + 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, + 0x5633e910, 0x47136dd6, 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, + 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 0xdf599cd2, 0x733f55f2, + 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, + 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, + 0x498b283c, 0x9541ff0d, 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, + 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8, +}; +static const unsigned int D3[256] = { + 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, + 0xfa58abac, 0xe303934b, 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, + 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 0xb15a49de, 0xba1b6725, + 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, + 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, + 0xe0692949, 0xc9c8448e, 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, + 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 0xdf4a1863, 0x1a3182e5, + 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, + 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, + 0x1f8f57e3, 0x55ab2a66, 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, + 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, 0xcf1c2b8a, 0x79b492a7, + 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, + 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, + 0x719f065e, 0x6e1051bd, 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, + 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, 0x98fb2419, 0xbde997d6, + 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, + 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, + 0x1170ac1e, 0x5a724e6c, 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, + 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 0x0a67b10c, 0x57e70f93, + 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, + 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, + 0xb6a8b92d, 0x1ea9c814, 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, + 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 0x4329768b, 0x23c6dccb, + 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, + 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, + 0x8652ec0d, 0xc1e3d077, 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, + 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 0x494ec787, 0x38d1c1d9, + 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, + 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, + 0x39f75e2e, 0xc3aff582, 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, + 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 0x267809cd, 0x5918f46e, + 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, + 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, + 0xa59430c6, 0xa266c035, 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, + 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 0x4dd68d76, 0xefb04d43, + 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, + 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, + 0x105633e9, 0xd647136d, 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, + 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 0xd2df599c, 0xf2733f55, + 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, + 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, + 0x3c498b28, 0x0d9541ff, 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, + 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0, +}; +#define ADD_ROUND_KEY_4 \ + (block[0] ^= *keysched++, block[1] ^= *keysched++, block[2] ^= *keysched++, \ + block[3] ^= *keysched++) +#define ADD_ROUND_KEY_6 \ + (block[0] ^= *keysched++, block[1] ^= *keysched++, block[2] ^= *keysched++, \ + block[3] ^= *keysched++, block[4] ^= *keysched++, block[5] ^= *keysched++) +#define ADD_ROUND_KEY_8 \ + (block[0] ^= *keysched++, block[1] ^= *keysched++, block[2] ^= *keysched++, \ + block[3] ^= *keysched++, block[4] ^= *keysched++, block[5] ^= *keysched++, \ + block[6] ^= *keysched++, block[7] ^= *keysched++) +#define MOVEWORD(i) (block[i] = newstate[i]) +#undef MAKEWORD +#define MAKEWORD(i) \ + (newstate[i] = (E0[(block[i] >> 24) & 0xFF] ^ \ + E1[(block[(i + C1) % Nb] >> 16) & 0xFF] ^ \ + E2[(block[(i + C2) % Nb] >> 8) & 0xFF] ^ \ + E3[block[(i + C3) % Nb] & 0xFF])) +#define LASTWORD(i) \ + (newstate[i] = (Sbox[(block[i] >> 24) & 0xFF] << 24) | \ + (Sbox[(block[(i + C1) % Nb] >> 16) & 0xFF] << 16) | \ + (Sbox[(block[(i + C2) % Nb] >> 8) & 0xFF] << 8) | \ + (Sbox[(block[(i + C3) % Nb]) & 0xFF])) +static void aes_encrypt_nb_4(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 1, C2 = 2, C3 = 3, Nb = 4; + unsigned int* keysched = ctx->keysched; + unsigned int newstate[4]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_4; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + } + ADD_ROUND_KEY_4; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + ADD_ROUND_KEY_4; +} +static void aes_encrypt_nb_6(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 1, C2 = 2, C3 = 3, Nb = 6; + unsigned int* keysched = ctx->keysched; + unsigned int newstate[6]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_6; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MAKEWORD(4); + MAKEWORD(5); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + } + ADD_ROUND_KEY_6; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + LASTWORD(4); + LASTWORD(5); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + ADD_ROUND_KEY_6; +} +static void aes_encrypt_nb_8(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 1, C2 = 3, C3 = 4, Nb = 8; + unsigned int* keysched = ctx->keysched; + unsigned int newstate[8]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_8; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MAKEWORD(4); + MAKEWORD(5); + MAKEWORD(6); + MAKEWORD(7); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + MOVEWORD(6); + MOVEWORD(7); + } + ADD_ROUND_KEY_8; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + LASTWORD(4); + LASTWORD(5); + LASTWORD(6); + LASTWORD(7); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + MOVEWORD(6); + MOVEWORD(7); + ADD_ROUND_KEY_8; +} +#undef MAKEWORD +#undef LASTWORD +#define MAKEWORD(i) \ + (newstate[i] = (D0[(block[i] >> 24) & 0xFF] ^ \ + D1[(block[(i + C1) % Nb] >> 16) & 0xFF] ^ \ + D2[(block[(i + C2) % Nb] >> 8) & 0xFF] ^ \ + D3[block[(i + C3) % Nb] & 0xFF])) +#define LASTWORD(i) \ + (newstate[i] = (Sboxinv[(block[i] >> 24) & 0xFF] << 24) | \ + (Sboxinv[(block[(i + C1) % Nb] >> 16) & 0xFF] << 16) | \ + (Sboxinv[(block[(i + C2) % Nb] >> 8) & 0xFF] << 8) | \ + (Sboxinv[(block[(i + C3) % Nb]) & 0xFF])) +static void aes_decrypt_nb_4(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 4 - 1, C2 = 4 - 2, C3 = 4 - 3, Nb = 4; + unsigned int* keysched = ctx->invkeysched; + unsigned int newstate[4]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_4; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + } + ADD_ROUND_KEY_4; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + ADD_ROUND_KEY_4; +} +static void aes_decrypt_nb_6(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 6 - 1, C2 = 6 - 2, C3 = 6 - 3, Nb = 6; + unsigned int* keysched = ctx->invkeysched; + unsigned int newstate[6]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_6; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MAKEWORD(4); + MAKEWORD(5); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + } + ADD_ROUND_KEY_6; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + LASTWORD(4); + LASTWORD(5); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + ADD_ROUND_KEY_6; +} +static void aes_decrypt_nb_8(AESContext* ctx, unsigned int* block) { + int i; + static const int C1 = 8 - 1, C2 = 8 - 3, C3 = 8 - 4, Nb = 8; + unsigned int* keysched = ctx->invkeysched; + unsigned int newstate[8]; + for (i = 0; i < ctx->Nr - 1; i++) { + ADD_ROUND_KEY_8; + MAKEWORD(0); + MAKEWORD(1); + MAKEWORD(2); + MAKEWORD(3); + MAKEWORD(4); + MAKEWORD(5); + MAKEWORD(6); + MAKEWORD(7); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + MOVEWORD(6); + MOVEWORD(7); + } + ADD_ROUND_KEY_8; + LASTWORD(0); + LASTWORD(1); + LASTWORD(2); + LASTWORD(3); + LASTWORD(4); + LASTWORD(5); + LASTWORD(6); + LASTWORD(7); + MOVEWORD(0); + MOVEWORD(1); + MOVEWORD(2); + MOVEWORD(3); + MOVEWORD(4); + MOVEWORD(5); + MOVEWORD(6); + MOVEWORD(7); + ADD_ROUND_KEY_8; +} +#undef MAKEWORD +#undef LASTWORD +static void aes_setup(AESContext* ctx, + int blocklen, + const unsigned char* key, + int keylen) { + int i, j, Nk, rconst; + ASSERT(blocklen == 16 || blocklen == 24 || blocklen == 32); + ASSERT(keylen == 16 || keylen == 24 || keylen == 32); + Nk = keylen / 4; + ctx->Nb = blocklen / 4; + ctx->Nr = 6 + (ctx->Nb > Nk ? ctx->Nb : Nk); + if (ctx->Nb == 8) { + ctx->encrypt = aes_encrypt_nb_8, ctx->decrypt = aes_decrypt_nb_8; + } else if (ctx->Nb == 6) { + ctx->encrypt = aes_encrypt_nb_6, ctx->decrypt = aes_decrypt_nb_6; + } else if (ctx->Nb == 4) { + ctx->encrypt = aes_encrypt_nb_4, ctx->decrypt = aes_decrypt_nb_4; + } + rconst = 1; + for (i = 0; i < (ctx->Nr + 1) * ctx->Nb; i++) { + if (i < Nk) { + ctx->keysched[i] = GET_32BIT_MSB_FIRST(key + 4 * i); + } else { + unsigned int temp = ctx->keysched[i - 1]; + if (i % Nk == 0) { + int a, b, c, d; + a = (temp >> 16) & 0xFF; + b = (temp >> 8) & 0xFF; + c = (temp >> 0) & 0xFF; + d = (temp >> 24) & 0xFF; + temp = Sbox[a] ^ rconst; + temp = (temp << 8) | Sbox[b]; + temp = (temp << 8) | Sbox[c]; + temp = (temp << 8) | Sbox[d]; + rconst = mulby2(rconst); + } else if (i % Nk == 4 && Nk > 6) { + int a, b, c, d; + a = (temp >> 24) & 0xFF; + b = (temp >> 16) & 0xFF; + c = (temp >> 8) & 0xFF; + d = (temp >> 0) & 0xFF; + temp = Sbox[a]; + temp = (temp << 8) | Sbox[b]; + temp = (temp << 8) | Sbox[c]; + temp = (temp << 8) | Sbox[d]; + } + ctx->keysched[i] = ctx->keysched[i - Nk] ^ temp; + } + } + for (i = 0; i <= ctx->Nr; i++) { + for (j = 0; j < ctx->Nb; j++) { + unsigned int temp; + temp = ctx->keysched[(ctx->Nr - i) * ctx->Nb + j]; + if (i != 0 && i != ctx->Nr) { + int a, b, c, d; + a = (temp >> 24) & 0xFF; + b = (temp >> 16) & 0xFF; + c = (temp >> 8) & 0xFF; + d = (temp >> 0) & 0xFF; + temp = D0[Sbox[a]]; + temp ^= D1[Sbox[b]]; + temp ^= D2[Sbox[c]]; + temp ^= D3[Sbox[d]]; + } + ctx->invkeysched[i * ctx->Nb + j] = temp; + } + } +} +static void aes_decrypt(AESContext* ctx, unsigned int* block) { + ctx->decrypt(ctx, block); +} +static void aes_decrypt_cbc(unsigned char* dest, + const unsigned char* src, + int len, + AESContext* ctx) { + unsigned int iv[4], x[4], ct[4]; + int i; + ASSERT((len & 15) == 0); + FXSYS_memcpy(iv, ctx->iv, sizeof(iv)); + while (len > 0) { + for (i = 0; i < 4; i++) { + x[i] = ct[i] = GET_32BIT_MSB_FIRST(src + 4 * i); + } + aes_decrypt(ctx, x); + for (i = 0; i < 4; i++) { + PUT_32BIT_MSB_FIRST(dest + 4 * i, iv[i] ^ x[i]); + iv[i] = ct[i]; + } + dest += 16; + src += 16; + len -= 16; + } + FXSYS_memcpy(ctx->iv, iv, sizeof(iv)); +} +static void aes_encrypt(AESContext* ctx, unsigned int* block) { + ctx->encrypt(ctx, block); +} +static void aes_encrypt_cbc(unsigned char* dest, + const unsigned char* src, + int len, + AESContext* ctx) { + unsigned int iv[4]; + int i; + ASSERT((len & 15) == 0); + FXSYS_memcpy(iv, ctx->iv, sizeof(iv)); + while (len > 0) { + for (i = 0; i < 4; i++) { + iv[i] ^= GET_32BIT_MSB_FIRST(src + 4 * i); + } + aes_encrypt(ctx, iv); + for (i = 0; i < 4; i++) { + PUT_32BIT_MSB_FIRST(dest + 4 * i, iv[i]); + } + dest += 16; + src += 16; + len -= 16; + } + FXSYS_memcpy(ctx->iv, iv, sizeof(iv)); +} +void CRYPT_AESSetKey(void* context, + FX_DWORD blocklen, + const uint8_t* key, + FX_DWORD keylen, + FX_BOOL bEncrypt) { + aes_setup((AESContext*)context, blocklen, key, keylen); +} +void CRYPT_AESSetIV(void* context, const uint8_t* iv) { + int i; + for (i = 0; i < ((AESContext*)context)->Nb; i++) { + ((AESContext*)context)->iv[i] = GET_32BIT_MSB_FIRST(iv + 4 * i); + } +} +void CRYPT_AESDecrypt(void* context, + uint8_t* dest, + const uint8_t* src, + FX_DWORD len) { + aes_decrypt_cbc(dest, src, len, (AESContext*)context); +} +void CRYPT_AESEncrypt(void* context, + uint8_t* dest, + const uint8_t* src, + FX_DWORD len) { + aes_encrypt_cbc(dest, src, len, (AESContext*)context); +} +#ifdef __cplusplus +}; +#endif diff --git a/core/fdrm/crypto/fx_crypt_sha.cpp b/core/fdrm/crypto/fx_crypt_sha.cpp new file mode 100644 index 0000000000..c7d171098b --- /dev/null +++ b/core/fdrm/crypto/fx_crypt_sha.cpp @@ -0,0 +1,657 @@ +// 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 "core/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(void* context) { + SHA_State* s = (SHA_State*)context; + SHA_Core_Init(s->h); + s->blkused = 0; + s->lenhi = s->lenlo = 0; +} +void CRYPT_SHA1Update(void* context, const uint8_t* 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_memcpy(s->block + s->blkused, q, len); + s->blkused += len; + } else { + while (s->blkused + len >= 64) { + FXSYS_memcpy(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_memcpy(s->block, q, len); + s->blkused = len; + } +} +void CRYPT_SHA1Finish(void* context, uint8_t 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_memset(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(const uint8_t* data, + FX_DWORD size, + uint8_t 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]; + uint8_t 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)] = (uint8_t)((n) >> 24); \ + (b)[(i) + 1] = (uint8_t)((n) >> 16); \ + (b)[(i) + 2] = (uint8_t)((n) >> 8); \ + (b)[(i) + 3] = (uint8_t)((n)); \ + } +void CRYPT_SHA256Start(void* 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 uint8_t 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, const uint8_t* 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_memcpy((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_memcpy((void*)(ctx->buffer + left), (void*)input, length); + } +} +static const uint8_t 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(void* context, uint8_t digest[32]) { + sha256_context* ctx = (sha256_context*)context; + FX_DWORD last, padn; + FX_DWORD high, low; + uint8_t 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(const uint8_t* data, + FX_DWORD size, + uint8_t digest[32]) { + sha256_context ctx; + CRYPT_SHA256Start(&ctx); + CRYPT_SHA256Update(&ctx, data, size); + CRYPT_SHA256Finish(&ctx, digest); +} +typedef struct { + uint64_t total[2]; + uint64_t state[8]; + uint8_t buffer[128]; +} sha384_context; +uint64_t FX_ato64i(const FX_CHAR* str) { + FXSYS_assert(str); + uint64_t 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(void* context) { + if (!context) { + return; + } + sha384_context* ctx = (sha384_context*)context; + FXSYS_memset(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 uint8_t 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 const FX_CHAR* 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) = ((uint64_t)(b)[(i)] << 56) | ((uint64_t)(b)[(i) + 1] << 48) | \ + ((uint64_t)(b)[(i) + 2] << 40) | ((uint64_t)(b)[(i) + 3] << 32) | \ + ((uint64_t)(b)[(i) + 4] << 24) | ((uint64_t)(b)[(i) + 5] << 16) | \ + ((uint64_t)(b)[(i) + 6] << 8) | ((uint64_t)(b)[(i) + 7]); \ + } +#define PUT_FX_64DWORD(n, b, i) \ + { \ + (b)[(i)] = (uint8_t)((n) >> 56); \ + (b)[(i) + 1] = (uint8_t)((n) >> 48); \ + (b)[(i) + 2] = (uint8_t)((n) >> 40); \ + (b)[(i) + 3] = (uint8_t)((n) >> 32); \ + (b)[(i) + 4] = (uint8_t)((n) >> 24); \ + (b)[(i) + 5] = (uint8_t)((n) >> 16); \ + (b)[(i) + 6] = (uint8_t)((n) >> 8); \ + (b)[(i) + 7] = (uint8_t)((n)); \ + } +static void sha384_process(sha384_context* ctx, const uint8_t data[128]) { + uint64_t temp1, temp2; + uint64_t A, B, C, D, E, F, G, H; + uint64_t 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) { + uint64_t 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(void* context, const uint8_t* 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_memcpy((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_memcpy((void*)(ctx->buffer + left), (void*)input, length); + } +} +void CRYPT_SHA384Finish(void* context, uint8_t digest[48]) { + sha384_context* ctx = (sha384_context*)context; + FX_DWORD last, padn; + uint8_t msglen[16]; + FXSYS_memset(msglen, 0, 16); + uint64_t 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(const uint8_t* data, + FX_DWORD size, + uint8_t digest[64]) { + sha384_context context; + CRYPT_SHA384Start(&context); + CRYPT_SHA384Update(&context, data, size); + CRYPT_SHA384Finish(&context, digest); +} +void CRYPT_SHA512Start(void* context) { + if (!context) { + return; + } + sha384_context* ctx = (sha384_context*)context; + FXSYS_memset(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(void* context, const uint8_t* data, FX_DWORD size) { + CRYPT_SHA384Update(context, data, size); +} +void CRYPT_SHA512Finish(void* context, uint8_t digest[64]) { + sha384_context* ctx = (sha384_context*)context; + FX_DWORD last, padn; + uint8_t msglen[16]; + FXSYS_memset(msglen, 0, 16); + uint64_t 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(const uint8_t* data, + FX_DWORD size, + uint8_t digest[64]) { + sha384_context context; + CRYPT_SHA512Start(&context); + CRYPT_SHA512Update(&context, data, size); + CRYPT_SHA512Finish(&context, digest); +} +#ifdef __cplusplus +}; +#endif |