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* FIPS 180-2 SHA-224/256/384/512 implementation
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* Last update: 02/02/2007
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* Issue date: 04/30/2005
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* Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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#define UNROLL_LOOPS /* Enable loops unrolling */
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#define SHFR(x, n) (x >> n)
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#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
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#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
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#define CH(x, y, z) ((x & y) ^ (~x & z))
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#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
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#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
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#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
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#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
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#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
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#define SHA512_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
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#define SHA512_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
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#define SHA512_F3(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHFR(x, 7))
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#define SHA512_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x, 6))
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#define UNPACK32(x, str) \
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*((str) + 3) = (uint8) ((x) ); \
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*((str) + 2) = (uint8) ((x) >> 8); \
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*((str) + 1) = (uint8) ((x) >> 16); \
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*((str) + 0) = (uint8) ((x) >> 24); \
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#define PACK32(str, x) \
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*(x) = ((uint32) *((str) + 3) ) \
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| ((uint32) *((str) + 2) << 8) \
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| ((uint32) *((str) + 1) << 16) \
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| ((uint32) *((str) + 0) << 24); \
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#define UNPACK64(x, str) \
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*((str) + 7) = (uint8) ((x) ); \
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*((str) + 6) = (uint8) ((x) >> 8); \
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*((str) + 5) = (uint8) ((x) >> 16); \
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*((str) + 4) = (uint8) ((x) >> 24); \
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*((str) + 3) = (uint8) ((x) >> 32); \
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*((str) + 2) = (uint8) ((x) >> 40); \
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*((str) + 1) = (uint8) ((x) >> 48); \
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*((str) + 0) = (uint8) ((x) >> 56); \
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#define PACK64(str, x) \
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*(x) = ((uint64) *((str) + 7) ) \
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| ((uint64) *((str) + 6) << 8) \
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| ((uint64) *((str) + 5) << 16) \
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| ((uint64) *((str) + 4) << 24) \
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| ((uint64) *((str) + 3) << 32) \
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| ((uint64) *((str) + 2) << 40) \
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| ((uint64) *((str) + 1) << 48) \
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| ((uint64) *((str) + 0) << 56); \
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/* Macros used for loops unrolling */
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#define SHA256_SCR(i) \
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w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
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+ SHA256_F3(w[i - 15]) + w[i - 16]; \
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#define SHA512_SCR(i) \
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w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \
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+ SHA512_F3(w[i - 15]) + w[i - 16]; \
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#define SHA256_EXP(a, b, c, d, e, f, g, h, j) \
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t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
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+ sha256_k[j] + w[j]; \
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t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
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#define SHA512_EXP(a, b, c, d, e, f, g ,h, j) \
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t1 = wv[h] + SHA512_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
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+ sha512_k[j] + w[j]; \
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t2 = SHA512_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
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uint32 sha224_h0[8] =
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{0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
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0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4};
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uint32 sha256_h0[8] =
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{0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
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0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
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uint64 sha384_h0[8] =
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{0xcbbb9d5dc1059ed8ULL, 0x629a292a367cd507ULL,
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0x9159015a3070dd17ULL, 0x152fecd8f70e5939ULL,
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0x67332667ffc00b31ULL, 0x8eb44a8768581511ULL,
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0xdb0c2e0d64f98fa7ULL, 0x47b5481dbefa4fa4ULL};
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uint64 sha512_h0[8] =
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{0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
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0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
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0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
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0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL};
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uint32 sha256_k[64] =
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{0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
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0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
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0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
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0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
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0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
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0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
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0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
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0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
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0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
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uint64 sha512_k[80] =
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{0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
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0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
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0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
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0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
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0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
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0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
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0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
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0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
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0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
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0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
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0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
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0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
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0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
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0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
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0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
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0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
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0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
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0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
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0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
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0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
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0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
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0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
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0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
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0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
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0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
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0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
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0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
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0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
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0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
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0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
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0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
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0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
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0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
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0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
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0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
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0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
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0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
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0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
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0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
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0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL};
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/* SHA-256 functions */
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void sha256_transf(sha256_ctx *ctx, const unsigned char *message,
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unsigned int block_nb)
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const unsigned char *sub_block;
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for (i = 0; i < (int) block_nb; i++) {
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sub_block = message + (i << 6);
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for (j = 0; j < 16; j++) {
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PACK32(&sub_block[j << 2], &w[j]);
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for (j = 16; j < 64; j++) {
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for (j = 0; j < 8; j++) {
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for (j = 0; j < 64; j++) {
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t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
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+ sha256_k[j] + w[j];
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t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
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for (j = 0; j < 8; j++) {
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PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]);
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PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]);
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PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]);
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PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]);
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PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]);
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PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]);
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PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]);
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PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]);
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SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19);
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SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23);
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SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27);
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SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31);
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SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35);
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SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39);
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SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43);
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SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47);
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SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51);
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SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55);
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SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59);
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SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63);
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wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
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wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
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wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
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wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
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SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1);
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SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3);
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SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5);
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SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7);
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SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9);
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SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11);
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SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13);
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SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15);
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SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17);
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SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19);
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SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21);
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SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23);
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SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25);
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SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27);
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SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29);
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SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31);
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SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33);
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SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35);
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SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37);
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SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39);
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SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41);
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SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43);
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SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45);
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SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47);
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SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49);
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SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51);
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SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53);
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SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55);
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SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57);
319
SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59);
320
SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61);
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SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63);
323
ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
324
ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
325
ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
326
ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
327
#endif /* !UNROLL_LOOPS */
331
void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
336
sha256_update(&ctx, message, len);
337
sha256_final(&ctx, digest);
340
void sha256_init(sha256_ctx *ctx)
344
for (i = 0; i < 8; i++) {
345
ctx->h[i] = sha256_h0[i];
348
ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1];
349
ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3];
350
ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5];
351
ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7];
352
#endif /* !UNROLL_LOOPS */
358
void sha256_update(sha256_ctx *ctx, const unsigned char *message,
361
unsigned int block_nb;
362
unsigned int new_len, rem_len, tmp_len;
363
const unsigned char *shifted_message;
365
tmp_len = SHA256_BLOCK_SIZE - ctx->len;
366
rem_len = len < tmp_len ? len : tmp_len;
368
memcpy(&ctx->block[ctx->len], message, rem_len);
370
if (ctx->len + len < SHA256_BLOCK_SIZE) {
375
new_len = len - rem_len;
376
block_nb = new_len / SHA256_BLOCK_SIZE;
378
shifted_message = message + rem_len;
380
sha256_transf(ctx, ctx->block, 1);
381
sha256_transf(ctx, shifted_message, block_nb);
383
rem_len = new_len % SHA256_BLOCK_SIZE;
385
memcpy(ctx->block, &shifted_message[block_nb << 6],
389
ctx->tot_len += (block_nb + 1) << 6;
392
void sha256_final(sha256_ctx *ctx, unsigned char *digest)
394
unsigned int block_nb;
402
block_nb = (1 + ((SHA256_BLOCK_SIZE - 9)
403
< (ctx->len % SHA256_BLOCK_SIZE)));
405
len_b = (ctx->tot_len + ctx->len) << 3;
406
pm_len = block_nb << 6;
408
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
409
ctx->block[ctx->len] = 0x80;
410
UNPACK32(len_b, ctx->block + pm_len - 4);
412
sha256_transf(ctx, ctx->block, block_nb);
415
for (i = 0 ; i < 8; i++) {
416
UNPACK32(ctx->h[i], &digest[i << 2]);
419
UNPACK32(ctx->h[0], &digest[ 0]);
420
UNPACK32(ctx->h[1], &digest[ 4]);
421
UNPACK32(ctx->h[2], &digest[ 8]);
422
UNPACK32(ctx->h[3], &digest[12]);
423
UNPACK32(ctx->h[4], &digest[16]);
424
UNPACK32(ctx->h[5], &digest[20]);
425
UNPACK32(ctx->h[6], &digest[24]);
426
UNPACK32(ctx->h[7], &digest[28]);
427
#endif /* !UNROLL_LOOPS */
430
/* SHA-512 functions */
432
void sha512_transf(sha512_ctx *ctx, const unsigned char *message,
433
unsigned int block_nb)
438
const unsigned char *sub_block;
441
for (i = 0; i < (int) block_nb; i++) {
442
sub_block = message + (i << 7);
445
for (j = 0; j < 16; j++) {
446
PACK64(&sub_block[j << 3], &w[j]);
449
for (j = 16; j < 80; j++) {
453
for (j = 0; j < 8; j++) {
457
for (j = 0; j < 80; j++) {
458
t1 = wv[7] + SHA512_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
459
+ sha512_k[j] + w[j];
460
t2 = SHA512_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
471
for (j = 0; j < 8; j++) {
475
PACK64(&sub_block[ 0], &w[ 0]); PACK64(&sub_block[ 8], &w[ 1]);
476
PACK64(&sub_block[ 16], &w[ 2]); PACK64(&sub_block[ 24], &w[ 3]);
477
PACK64(&sub_block[ 32], &w[ 4]); PACK64(&sub_block[ 40], &w[ 5]);
478
PACK64(&sub_block[ 48], &w[ 6]); PACK64(&sub_block[ 56], &w[ 7]);
479
PACK64(&sub_block[ 64], &w[ 8]); PACK64(&sub_block[ 72], &w[ 9]);
480
PACK64(&sub_block[ 80], &w[10]); PACK64(&sub_block[ 88], &w[11]);
481
PACK64(&sub_block[ 96], &w[12]); PACK64(&sub_block[104], &w[13]);
482
PACK64(&sub_block[112], &w[14]); PACK64(&sub_block[120], &w[15]);
484
SHA512_SCR(16); SHA512_SCR(17); SHA512_SCR(18); SHA512_SCR(19);
485
SHA512_SCR(20); SHA512_SCR(21); SHA512_SCR(22); SHA512_SCR(23);
486
SHA512_SCR(24); SHA512_SCR(25); SHA512_SCR(26); SHA512_SCR(27);
487
SHA512_SCR(28); SHA512_SCR(29); SHA512_SCR(30); SHA512_SCR(31);
488
SHA512_SCR(32); SHA512_SCR(33); SHA512_SCR(34); SHA512_SCR(35);
489
SHA512_SCR(36); SHA512_SCR(37); SHA512_SCR(38); SHA512_SCR(39);
490
SHA512_SCR(40); SHA512_SCR(41); SHA512_SCR(42); SHA512_SCR(43);
491
SHA512_SCR(44); SHA512_SCR(45); SHA512_SCR(46); SHA512_SCR(47);
492
SHA512_SCR(48); SHA512_SCR(49); SHA512_SCR(50); SHA512_SCR(51);
493
SHA512_SCR(52); SHA512_SCR(53); SHA512_SCR(54); SHA512_SCR(55);
494
SHA512_SCR(56); SHA512_SCR(57); SHA512_SCR(58); SHA512_SCR(59);
495
SHA512_SCR(60); SHA512_SCR(61); SHA512_SCR(62); SHA512_SCR(63);
496
SHA512_SCR(64); SHA512_SCR(65); SHA512_SCR(66); SHA512_SCR(67);
497
SHA512_SCR(68); SHA512_SCR(69); SHA512_SCR(70); SHA512_SCR(71);
498
SHA512_SCR(72); SHA512_SCR(73); SHA512_SCR(74); SHA512_SCR(75);
499
SHA512_SCR(76); SHA512_SCR(77); SHA512_SCR(78); SHA512_SCR(79);
501
wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
502
wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
503
wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
504
wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
509
SHA512_EXP(0,1,2,3,4,5,6,7,j); j++;
510
SHA512_EXP(7,0,1,2,3,4,5,6,j); j++;
511
SHA512_EXP(6,7,0,1,2,3,4,5,j); j++;
512
SHA512_EXP(5,6,7,0,1,2,3,4,j); j++;
513
SHA512_EXP(4,5,6,7,0,1,2,3,j); j++;
514
SHA512_EXP(3,4,5,6,7,0,1,2,j); j++;
515
SHA512_EXP(2,3,4,5,6,7,0,1,j); j++;
516
SHA512_EXP(1,2,3,4,5,6,7,0,j); j++;
519
ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
520
ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
521
ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
522
ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
523
#endif /* !UNROLL_LOOPS */
527
void sha512(const unsigned char *message, unsigned int len,
528
unsigned char *digest)
533
sha512_update(&ctx, message, len);
534
sha512_final(&ctx, digest);
537
void sha512_init(sha512_ctx *ctx)
541
for (i = 0; i < 8; i++) {
542
ctx->h[i] = sha512_h0[i];
545
ctx->h[0] = sha512_h0[0]; ctx->h[1] = sha512_h0[1];
546
ctx->h[2] = sha512_h0[2]; ctx->h[3] = sha512_h0[3];
547
ctx->h[4] = sha512_h0[4]; ctx->h[5] = sha512_h0[5];
548
ctx->h[6] = sha512_h0[6]; ctx->h[7] = sha512_h0[7];
549
#endif /* !UNROLL_LOOPS */
555
void sha512_update(sha512_ctx *ctx, const unsigned char *message,
558
unsigned int block_nb;
559
unsigned int new_len, rem_len, tmp_len;
560
const unsigned char *shifted_message;
562
tmp_len = SHA512_BLOCK_SIZE - ctx->len;
563
rem_len = len < tmp_len ? len : tmp_len;
565
memcpy(&ctx->block[ctx->len], message, rem_len);
567
if (ctx->len + len < SHA512_BLOCK_SIZE) {
572
new_len = len - rem_len;
573
block_nb = new_len / SHA512_BLOCK_SIZE;
575
shifted_message = message + rem_len;
577
sha512_transf(ctx, ctx->block, 1);
578
sha512_transf(ctx, shifted_message, block_nb);
580
rem_len = new_len % SHA512_BLOCK_SIZE;
582
memcpy(ctx->block, &shifted_message[block_nb << 7],
586
ctx->tot_len += (block_nb + 1) << 7;
589
void sha512_final(sha512_ctx *ctx, unsigned char *digest)
591
unsigned int block_nb;
599
block_nb = 1 + ((SHA512_BLOCK_SIZE - 17)
600
< (ctx->len % SHA512_BLOCK_SIZE));
602
len_b = (ctx->tot_len + ctx->len) << 3;
603
pm_len = block_nb << 7;
605
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
606
ctx->block[ctx->len] = 0x80;
607
UNPACK32(len_b, ctx->block + pm_len - 4);
609
sha512_transf(ctx, ctx->block, block_nb);
612
for (i = 0 ; i < 8; i++) {
613
UNPACK64(ctx->h[i], &digest[i << 3]);
616
UNPACK64(ctx->h[0], &digest[ 0]);
617
UNPACK64(ctx->h[1], &digest[ 8]);
618
UNPACK64(ctx->h[2], &digest[16]);
619
UNPACK64(ctx->h[3], &digest[24]);
620
UNPACK64(ctx->h[4], &digest[32]);
621
UNPACK64(ctx->h[5], &digest[40]);
622
UNPACK64(ctx->h[6], &digest[48]);
623
UNPACK64(ctx->h[7], &digest[56]);
624
#endif /* !UNROLL_LOOPS */
627
/* SHA-384 functions */
629
void sha384(const unsigned char *message, unsigned int len,
630
unsigned char *digest)
635
sha384_update(&ctx, message, len);
636
sha384_final(&ctx, digest);
639
void sha384_init(sha384_ctx *ctx)
643
for (i = 0; i < 8; i++) {
644
ctx->h[i] = sha384_h0[i];
647
ctx->h[0] = sha384_h0[0]; ctx->h[1] = sha384_h0[1];
648
ctx->h[2] = sha384_h0[2]; ctx->h[3] = sha384_h0[3];
649
ctx->h[4] = sha384_h0[4]; ctx->h[5] = sha384_h0[5];
650
ctx->h[6] = sha384_h0[6]; ctx->h[7] = sha384_h0[7];
651
#endif /* !UNROLL_LOOPS */
657
void sha384_update(sha384_ctx *ctx, const unsigned char *message,
660
unsigned int block_nb;
661
unsigned int new_len, rem_len, tmp_len;
662
const unsigned char *shifted_message;
664
tmp_len = SHA384_BLOCK_SIZE - ctx->len;
665
rem_len = len < tmp_len ? len : tmp_len;
667
memcpy(&ctx->block[ctx->len], message, rem_len);
669
if (ctx->len + len < SHA384_BLOCK_SIZE) {
674
new_len = len - rem_len;
675
block_nb = new_len / SHA384_BLOCK_SIZE;
677
shifted_message = message + rem_len;
679
sha512_transf(ctx, ctx->block, 1);
680
sha512_transf(ctx, shifted_message, block_nb);
682
rem_len = new_len % SHA384_BLOCK_SIZE;
684
memcpy(ctx->block, &shifted_message[block_nb << 7],
688
ctx->tot_len += (block_nb + 1) << 7;
691
void sha384_final(sha384_ctx *ctx, unsigned char *digest)
693
unsigned int block_nb;
701
block_nb = (1 + ((SHA384_BLOCK_SIZE - 17)
702
< (ctx->len % SHA384_BLOCK_SIZE)));
704
len_b = (ctx->tot_len + ctx->len) << 3;
705
pm_len = block_nb << 7;
707
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
708
ctx->block[ctx->len] = 0x80;
709
UNPACK32(len_b, ctx->block + pm_len - 4);
711
sha512_transf(ctx, ctx->block, block_nb);
714
for (i = 0 ; i < 6; i++) {
715
UNPACK64(ctx->h[i], &digest[i << 3]);
718
UNPACK64(ctx->h[0], &digest[ 0]);
719
UNPACK64(ctx->h[1], &digest[ 8]);
720
UNPACK64(ctx->h[2], &digest[16]);
721
UNPACK64(ctx->h[3], &digest[24]);
722
UNPACK64(ctx->h[4], &digest[32]);
723
UNPACK64(ctx->h[5], &digest[40]);
724
#endif /* !UNROLL_LOOPS */
727
/* SHA-224 functions */
729
void sha224(const unsigned char *message, unsigned int len,
730
unsigned char *digest)
735
sha224_update(&ctx, message, len);
736
sha224_final(&ctx, digest);
739
void sha224_init(sha224_ctx *ctx)
743
for (i = 0; i < 8; i++) {
744
ctx->h[i] = sha224_h0[i];
747
ctx->h[0] = sha224_h0[0]; ctx->h[1] = sha224_h0[1];
748
ctx->h[2] = sha224_h0[2]; ctx->h[3] = sha224_h0[3];
749
ctx->h[4] = sha224_h0[4]; ctx->h[5] = sha224_h0[5];
750
ctx->h[6] = sha224_h0[6]; ctx->h[7] = sha224_h0[7];
751
#endif /* !UNROLL_LOOPS */
757
void sha224_update(sha224_ctx *ctx, const unsigned char *message,
760
unsigned int block_nb;
761
unsigned int new_len, rem_len, tmp_len;
762
const unsigned char *shifted_message;
764
tmp_len = SHA224_BLOCK_SIZE - ctx->len;
765
rem_len = len < tmp_len ? len : tmp_len;
767
memcpy(&ctx->block[ctx->len], message, rem_len);
769
if (ctx->len + len < SHA224_BLOCK_SIZE) {
774
new_len = len - rem_len;
775
block_nb = new_len / SHA224_BLOCK_SIZE;
777
shifted_message = message + rem_len;
779
sha256_transf(ctx, ctx->block, 1);
780
sha256_transf(ctx, shifted_message, block_nb);
782
rem_len = new_len % SHA224_BLOCK_SIZE;
784
memcpy(ctx->block, &shifted_message[block_nb << 6],
788
ctx->tot_len += (block_nb + 1) << 6;
791
void sha224_final(sha224_ctx *ctx, unsigned char *digest)
793
unsigned int block_nb;
801
block_nb = (1 + ((SHA224_BLOCK_SIZE - 9)
802
< (ctx->len % SHA224_BLOCK_SIZE)));
804
len_b = (ctx->tot_len + ctx->len) << 3;
805
pm_len = block_nb << 6;
807
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
808
ctx->block[ctx->len] = 0x80;
809
UNPACK32(len_b, ctx->block + pm_len - 4);
811
sha256_transf(ctx, ctx->block, block_nb);
814
for (i = 0 ; i < 7; i++) {
815
UNPACK32(ctx->h[i], &digest[i << 2]);
818
UNPACK32(ctx->h[0], &digest[ 0]);
819
UNPACK32(ctx->h[1], &digest[ 4]);
820
UNPACK32(ctx->h[2], &digest[ 8]);
821
UNPACK32(ctx->h[3], &digest[12]);
822
UNPACK32(ctx->h[4], &digest[16]);
823
UNPACK32(ctx->h[5], &digest[20]);
824
UNPACK32(ctx->h[6], &digest[24]);
825
#endif /* !UNROLL_LOOPS */
830
// #ifdef TEST_VECTORS
832
// /* FIPS 180-2 Validation tests */
834
// #include <stdio.h>
835
// #include <stdlib.h>
837
// void test(const unsigned char *vector, unsigned char *digest,
838
// unsigned int digest_size)
840
// unsigned char output[2 * SHA512_DIGEST_SIZE + 1];
843
// output[2 * digest_size] = '\0';
845
// for (i = 0; i < (int) digest_size ; i++) {
846
// sprintf((char *) output + 2 * i, "%02x", digest[i]);
849
// printf("H: %s\n", output);
850
// if (strcmp((char *) vector, (char *) output)) {
851
// fprintf(stderr, "Test failed.\n");
852
// exit(EXIT_FAILURE);
858
// static const unsigned char *vectors[4][3] =
861
// "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
862
// "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525",
863
// "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67",
867
// "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
868
// "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
869
// "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
873
// "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
874
// "8086072ba1e7cc2358baeca134c825a7",
875
// "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
876
// "fcc7c71a557e2db966c3e9fa91746039",
877
// "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"
878
// "07b8b3dc38ecc4ebae97ddd87f3d8985",
882
// "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
883
// "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
884
// "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
885
// "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909",
886
// "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
887
// "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b"
891
// static const unsigned char message1[] = "abc";
892
// static const unsigned char message2a[] = "abcdbcdecdefdefgefghfghighijhi"
893
// "jkijkljklmklmnlmnomnopnopq";
894
// static const unsigned char message2b[] =
895
// "abcdefghbcdefghicdefghijdefghijkefghij"
896
// "klfghijklmghijklmnhijklmnoijklmnopjklm"
897
// "nopqklmnopqrlmnopqrsmnopqrstnopqrstu";
898
// unsigned char *message3;
899
// unsigned int message3_len = 1000000;
900
// unsigned char digest[SHA512_DIGEST_SIZE];
902
// message3 = malloc(message3_len);
903
// if (message3 == NULL) {
904
// fprintf(stderr, "Can't allocate memory\n");
907
// memset(message3, 'a', message3_len);
909
// printf("SHA-2 FIPS 180-2 Validation tests\n\n");
910
// printf("SHA-224 Test vectors\n");
912
// sha224(message1, strlen((char *) message1), digest);
913
// test(vectors[0][0], digest, SHA224_DIGEST_SIZE);
914
// sha224(message2a, strlen((char *) message2a), digest);
915
// test(vectors[0][1], digest, SHA224_DIGEST_SIZE);
916
// sha224(message3, message3_len, digest);
917
// test(vectors[0][2], digest, SHA224_DIGEST_SIZE);
920
// printf("SHA-256 Test vectors\n");
922
// sha256(message1, strlen((char *) message1), digest);
923
// test(vectors[1][0], digest, SHA256_DIGEST_SIZE);
924
// sha256(message2a, strlen((char *) message2a), digest);
925
// test(vectors[1][1], digest, SHA256_DIGEST_SIZE);
926
// sha256(message3, message3_len, digest);
927
// test(vectors[1][2], digest, SHA256_DIGEST_SIZE);
930
// printf("SHA-384 Test vectors\n");
932
// sha384(message1, strlen((char *) message1), digest);
933
// test(vectors[2][0], digest, SHA384_DIGEST_SIZE);
934
// sha384(message2b, strlen((char *) message2b), digest);
935
// test(vectors[2][1], digest, SHA384_DIGEST_SIZE);
936
// sha384(message3, message3_len, digest);
937
// test(vectors[2][2], digest, SHA384_DIGEST_SIZE);
940
// printf("SHA-512 Test vectors\n");
942
// sha512(message1, strlen((char *) message1), digest);
943
// test(vectors[3][0], digest, SHA512_DIGEST_SIZE);
944
// sha512(message2b, strlen((char *) message2b), digest);
945
// test(vectors[3][1], digest, SHA512_DIGEST_SIZE);
946
// sha512(message3, message3_len, digest);
947
// test(vectors[3][2], digest, SHA512_DIGEST_SIZE);
950
// printf("All tests passed.\n");
955
// #endif /* TEST_VECTORS */
added
removed
NuxCore/Crypto/NSHA2.cpp
