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/* |
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* sha64bit.c: routines to compute SHA-384/512 digests |
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* |
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* Ref: NIST FIPS PUB 180-4 Secure Hash Standard |
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* |
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* Copyright (C) 2003-2023 Mark Shelor, All Rights Reserved |
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* |
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* Version: 6.04 |
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* Sat Feb 25 12:00:50 PM MST 2023 |
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* |
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*/ |
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#ifdef SHA_384_512 |
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#undef sha_384_512 |
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#undef W64 |
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#undef sha512 |
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#undef H0384 |
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#undef H0512 |
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#undef H0512224 |
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#undef H0512256 |
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#define sha_384_512 1 |
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#define W64 SHA64 /* useful abbreviations */ |
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#define C64 SHA64_CONST |
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#define SR64 SHA64_SHR |
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#define SL64 SHA64_SHL |
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#define ROTRQ(x, n) (SR64(x, n) | SL64(x, 64-(n))) |
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#define SIGMAQ0(x) (ROTRQ(x, 28) ^ ROTRQ(x, 34) ^ ROTRQ(x, 39)) |
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32
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#define SIGMAQ1(x) (ROTRQ(x, 14) ^ ROTRQ(x, 18) ^ ROTRQ(x, 41)) |
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33
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#define sigmaQ0(x) (ROTRQ(x, 1) ^ ROTRQ(x, 8) ^ SR64(x, 7)) |
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#define sigmaQ1(x) (ROTRQ(x, 19) ^ ROTRQ(x, 61) ^ SR64(x, 6)) |
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static const W64 K512[80] = /* SHA-384/512 constants */ |
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{ |
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38
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C64(0x428a2f98d728ae22), C64(0x7137449123ef65cd), C64(0xb5c0fbcfec4d3b2f), |
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39
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C64(0xe9b5dba58189dbbc), C64(0x3956c25bf348b538), C64(0x59f111f1b605d019), |
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40
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C64(0x923f82a4af194f9b), C64(0xab1c5ed5da6d8118), C64(0xd807aa98a3030242), |
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41
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C64(0x12835b0145706fbe), C64(0x243185be4ee4b28c), C64(0x550c7dc3d5ffb4e2), |
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42
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C64(0x72be5d74f27b896f), C64(0x80deb1fe3b1696b1), C64(0x9bdc06a725c71235), |
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43
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C64(0xc19bf174cf692694), C64(0xe49b69c19ef14ad2), C64(0xefbe4786384f25e3), |
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44
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C64(0x0fc19dc68b8cd5b5), C64(0x240ca1cc77ac9c65), C64(0x2de92c6f592b0275), |
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45
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C64(0x4a7484aa6ea6e483), C64(0x5cb0a9dcbd41fbd4), C64(0x76f988da831153b5), |
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46
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C64(0x983e5152ee66dfab), C64(0xa831c66d2db43210), C64(0xb00327c898fb213f), |
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47
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C64(0xbf597fc7beef0ee4), C64(0xc6e00bf33da88fc2), C64(0xd5a79147930aa725), |
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48
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C64(0x06ca6351e003826f), C64(0x142929670a0e6e70), C64(0x27b70a8546d22ffc), |
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49
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C64(0x2e1b21385c26c926), C64(0x4d2c6dfc5ac42aed), C64(0x53380d139d95b3df), |
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50
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C64(0x650a73548baf63de), C64(0x766a0abb3c77b2a8), C64(0x81c2c92e47edaee6), |
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51
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C64(0x92722c851482353b), C64(0xa2bfe8a14cf10364), C64(0xa81a664bbc423001), |
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52
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C64(0xc24b8b70d0f89791), C64(0xc76c51a30654be30), C64(0xd192e819d6ef5218), |
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53
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C64(0xd69906245565a910), C64(0xf40e35855771202a), C64(0x106aa07032bbd1b8), |
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54
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C64(0x19a4c116b8d2d0c8), C64(0x1e376c085141ab53), C64(0x2748774cdf8eeb99), |
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55
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C64(0x34b0bcb5e19b48a8), C64(0x391c0cb3c5c95a63), C64(0x4ed8aa4ae3418acb), |
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56
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C64(0x5b9cca4f7763e373), C64(0x682e6ff3d6b2b8a3), C64(0x748f82ee5defb2fc), |
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57
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C64(0x78a5636f43172f60), C64(0x84c87814a1f0ab72), C64(0x8cc702081a6439ec), |
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58
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C64(0x90befffa23631e28), C64(0xa4506cebde82bde9), C64(0xbef9a3f7b2c67915), |
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59
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C64(0xc67178f2e372532b), C64(0xca273eceea26619c), C64(0xd186b8c721c0c207), |
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60
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C64(0xeada7dd6cde0eb1e), C64(0xf57d4f7fee6ed178), C64(0x06f067aa72176fba), |
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61
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C64(0x0a637dc5a2c898a6), C64(0x113f9804bef90dae), C64(0x1b710b35131c471b), |
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62
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C64(0x28db77f523047d84), C64(0x32caab7b40c72493), C64(0x3c9ebe0a15c9bebc), |
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63
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C64(0x431d67c49c100d4c), C64(0x4cc5d4becb3e42b6), C64(0x597f299cfc657e2a), |
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64
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C64(0x5fcb6fab3ad6faec), C64(0x6c44198c4a475817) |
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65
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}; |
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66
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67
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static const W64 H0384[8] = /* SHA-384 initial hash value */ |
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68
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{ |
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69
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C64(0xcbbb9d5dc1059ed8), C64(0x629a292a367cd507), C64(0x9159015a3070dd17), |
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70
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C64(0x152fecd8f70e5939), C64(0x67332667ffc00b31), C64(0x8eb44a8768581511), |
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C64(0xdb0c2e0d64f98fa7), C64(0x47b5481dbefa4fa4) |
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}; |
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74
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static const W64 H0512[8] = /* SHA-512 initial hash value */ |
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{ |
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C64(0x6a09e667f3bcc908), C64(0xbb67ae8584caa73b), C64(0x3c6ef372fe94f82b), |
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77
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C64(0xa54ff53a5f1d36f1), C64(0x510e527fade682d1), C64(0x9b05688c2b3e6c1f), |
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C64(0x1f83d9abfb41bd6b), C64(0x5be0cd19137e2179) |
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}; |
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81
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static const W64 H0512224[8] = /* SHA-512/224 initial hash value */ |
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{ |
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83
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C64(0x8c3d37c819544da2), C64(0x73e1996689dcd4d6), C64(0x1dfab7ae32ff9c82), |
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84
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C64(0x679dd514582f9fcf), C64(0x0f6d2b697bd44da8), C64(0x77e36f7304c48942), |
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85
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C64(0x3f9d85a86a1d36c8), C64(0x1112e6ad91d692a1) |
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86
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}; |
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88
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static const W64 H0512256[8] = /* SHA-512/256 initial hash value */ |
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{ |
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90
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C64(0x22312194fc2bf72c), C64(0x9f555fa3c84c64c2), C64(0x2393b86b6f53b151), |
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C64(0x963877195940eabd), C64(0x96283ee2a88effe3), C64(0xbe5e1e2553863992), |
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C64(0x2b0199fc2c85b8aa), C64(0x0eb72ddc81c52ca2) |
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}; |
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95
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15875
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static void sha512(SHA *s, unsigned char *block) /* SHA-384/512 transform */ |
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{ |
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W64 a, b, c, d, e, f, g, h, T1, T2; |
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W64 W[80]; |
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15875
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W64 *H = s->H64; |
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int t; |
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102
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269875
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SHA64_SCHED(W, block); |
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1031875
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for (t = 16; t < 80; t++) |
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104
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1016000
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W[t] = sigmaQ1(W[t-2]) + W[t-7] + sigmaQ0(W[t-15]) + W[t-16]; |
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15875
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a = H[0]; b = H[1]; c = H[2]; d = H[3]; |
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15875
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e = H[4]; f = H[5]; g = H[6]; h = H[7]; |
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1285875
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100
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for (t = 0; t < 80; t++) { |
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1270000
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T1 = h + SIGMAQ1(e) + Ch(e, f, g) + K512[t] + W[t]; |
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1270000
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T2 = SIGMAQ0(a) + Ma(a, b, c); |
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1270000
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h = g; g = f; f = e; e = d + T1; |
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1270000
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d = c; c = b; b = a; a = T1 + T2; |
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} |
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15875
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H[0] += a; H[1] += b; H[2] += c; H[3] += d; |
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15875
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H[4] += e; H[5] += f; H[6] += g; H[7] += h; |
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15875
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} |
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117
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#endif /* #ifdef SHA_384_512 */ |