1 #ifdef SHA_384_512 2 3 #undef sha_384_512 4 #undef W64 5 #undef strto64 6 #undef sha512 7 #undef H0384 8 #undef H0512 9 10 #define sha_384_512 1 11 12 #define W64 SHA64 /* useful abbreviations */ 13 #define C64 SHA64_CONST 14 #define SR64 SHA64_SHR 15 #define SL64 SHA64_SHL 16 17 #define ROTRQ(x, n) (SR64(x, n) | SL64(x, 64-(n))) 18 #define SIGMAQ0(x) (ROTRQ(x, 28) ^ ROTRQ(x, 34) ^ ROTRQ(x, 39)) 19 #define SIGMAQ1(x) (ROTRQ(x, 14) ^ ROTRQ(x, 18) ^ ROTRQ(x, 41)) 20 #define sigmaQ0(x) (ROTRQ(x, 1) ^ ROTRQ(x, 8) ^ SR64(x, 7)) 21 #define sigmaQ1(x) (ROTRQ(x, 19) ^ ROTRQ(x, 61) ^ SR64(x, 6)) 22 23 static W64 K512[80] = /* SHA-384/512 constants */ 24 { 25 C64(0x428a2f98d728ae22), C64(0x7137449123ef65cd), C64(0xb5c0fbcfec4d3b2f), 26 C64(0xe9b5dba58189dbbc), C64(0x3956c25bf348b538), C64(0x59f111f1b605d019), 27 C64(0x923f82a4af194f9b), C64(0xab1c5ed5da6d8118), C64(0xd807aa98a3030242), 28 C64(0x12835b0145706fbe), C64(0x243185be4ee4b28c), C64(0x550c7dc3d5ffb4e2), 29 C64(0x72be5d74f27b896f), C64(0x80deb1fe3b1696b1), C64(0x9bdc06a725c71235), 30 C64(0xc19bf174cf692694), C64(0xe49b69c19ef14ad2), C64(0xefbe4786384f25e3), 31 C64(0x0fc19dc68b8cd5b5), C64(0x240ca1cc77ac9c65), C64(0x2de92c6f592b0275), 32 C64(0x4a7484aa6ea6e483), C64(0x5cb0a9dcbd41fbd4), C64(0x76f988da831153b5), 33 C64(0x983e5152ee66dfab), C64(0xa831c66d2db43210), C64(0xb00327c898fb213f), 34 C64(0xbf597fc7beef0ee4), C64(0xc6e00bf33da88fc2), C64(0xd5a79147930aa725), 35 C64(0x06ca6351e003826f), C64(0x142929670a0e6e70), C64(0x27b70a8546d22ffc), 36 C64(0x2e1b21385c26c926), C64(0x4d2c6dfc5ac42aed), C64(0x53380d139d95b3df), 37 C64(0x650a73548baf63de), C64(0x766a0abb3c77b2a8), C64(0x81c2c92e47edaee6), 38 C64(0x92722c851482353b), C64(0xa2bfe8a14cf10364), C64(0xa81a664bbc423001), 39 C64(0xc24b8b70d0f89791), C64(0xc76c51a30654be30), C64(0xd192e819d6ef5218), 40 C64(0xd69906245565a910), C64(0xf40e35855771202a), C64(0x106aa07032bbd1b8), 41 C64(0x19a4c116b8d2d0c8), C64(0x1e376c085141ab53), C64(0x2748774cdf8eeb99), 42 C64(0x34b0bcb5e19b48a8), C64(0x391c0cb3c5c95a63), C64(0x4ed8aa4ae3418acb), 43 C64(0x5b9cca4f7763e373), C64(0x682e6ff3d6b2b8a3), C64(0x748f82ee5defb2fc), 44 C64(0x78a5636f43172f60), C64(0x84c87814a1f0ab72), C64(0x8cc702081a6439ec), 45 C64(0x90befffa23631e28), C64(0xa4506cebde82bde9), C64(0xbef9a3f7b2c67915), 46 C64(0xc67178f2e372532b), C64(0xca273eceea26619c), C64(0xd186b8c721c0c207), 47 C64(0xeada7dd6cde0eb1e), C64(0xf57d4f7fee6ed178), C64(0x06f067aa72176fba), 48 C64(0x0a637dc5a2c898a6), C64(0x113f9804bef90dae), C64(0x1b710b35131c471b), 49 C64(0x28db77f523047d84), C64(0x32caab7b40c72493), C64(0x3c9ebe0a15c9bebc), 50 C64(0x431d67c49c100d4c), C64(0x4cc5d4becb3e42b6), C64(0x597f299cfc657e2a), 51 C64(0x5fcb6fab3ad6faec), C64(0x6c44198c4a475817) 52 }; 53 54 static W64 H0384[8] = /* SHA-384 initial hash value */ 55 { 56 C64(0xcbbb9d5dc1059ed8), C64(0x629a292a367cd507), C64(0x9159015a3070dd17), 57 C64(0x152fecd8f70e5939), C64(0x67332667ffc00b31), C64(0x8eb44a8768581511), 58 C64(0xdb0c2e0d64f98fa7), C64(0x47b5481dbefa4fa4) 59 }; 60 61 static W64 H0512[8] = /* SHA-512 initial hash value */ 62 { 63 C64(0x6a09e667f3bcc908), C64(0xbb67ae8584caa73b), C64(0x3c6ef372fe94f82b), 64 C64(0xa54ff53a5f1d36f1), C64(0x510e527fade682d1), C64(0x9b05688c2b3e6c1f), 65 C64(0x1f83d9abfb41bd6b), C64(0x5be0cd19137e2179) 66 }; 67 68 /* strto64: converts hex string to a 64-bit word */ 69 static W64 strto64(char *s) 70 { 71 char str[2] = {0, 0}; 72 W64 u = C64(0); 73 74 while (isxdigit(str[0] = *s++)) 75 u = (u << 4) + strtoul(str, NULL, 16); 76 return(u); 77 } 78 79 static void sha512(SHA *s, unsigned char *block) /* SHA-384/512 transform */ 80 { 81 W64 a, b, c, d, e, f, g, h, T1, T2; 82 SHA_STO_CLASS W64 W[80]; 83 W64 *H = (W64 *) s->H; 84 int t; 85 86 SHA64_SCHED(W, block); 87 for (t = 16; t < 80; t++) 88 W[t] = sigmaQ1(W[t-2]) + W[t-7] + sigmaQ0(W[t-15]) + W[t-16]; 89 a = H[0]; b = H[1]; c = H[2]; d = H[3]; 90 e = H[4]; f = H[5]; g = H[6]; h = H[7]; 91 for (t = 0; t < 80; t++) { 92 T1 = h + SIGMAQ1(e) + Ch(e, f, g) + K512[t] + W[t]; 93 T2 = SIGMAQ0(a) + Ma(a, b, c); 94 h = g; g = f; f = e; e = d + T1; 95 d = c; c = b; b = a; a = T1 + T2; 96 } 97 H[0] += a; H[1] += b; H[2] += c; H[3] += d; 98 H[4] += e; H[5] += f; H[6] += g; H[7] += h; 99 } 100 101 #endif /* #ifdef SHA_384_512 */ 102