diff options
Diffstat (limited to 'src/lib/hash')
| -rw-r--r-- | src/lib/hash/sm3/sm3.cpp | 126 |
1 files changed, 32 insertions, 94 deletions
diff --git a/src/lib/hash/sm3/sm3.cpp b/src/lib/hash/sm3/sm3.cpp index 453b59c05..a64a9a5e7 100644 --- a/src/lib/hash/sm3/sm3.cpp +++ b/src/lib/hash/sm3/sm3.cpp @@ -49,36 +49,6 @@ inline uint32_t GG1(uint32_t X, uint32_t Y, uint32_t Z) return (X & Y) | (~X & Z); } -#define SM3_CF0(j) \ - T[(j)] = SM3_TJ_0_15; \ - SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[(j)], (j)), 7); \ - SS2 = SS1 ^ rotate_left(A, 12); \ - TT1 = FF0(A, B, C) + D + SS2 + W1[(j)]; \ - TT2 = GG0(E, F, G) + H + SS1 + W[(j)]; \ - D = C; \ - C = rotate_left(B, 9); \ - B = A; \ - A = TT1; \ - H = G; \ - G = rotate_left(F, 19); \ - F = E; \ - E = P0(TT2); - -#define SM3_CF1(j) \ - T[(j)] = SM3_TJ_16_63; \ - SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[(j)], (j)), 7); \ - SS2 = SS1 ^ rotate_left(A, 12); \ - TT1 = FF1(A, B, C) + D + SS2 + W1[(j)]; \ - TT2 = GG1(E, F, G) + H + SS1 + W[(j)]; \ - D = C; \ - C = rotate_left(B, 9); \ - B = A; \ - A = TT1; \ - H = G; \ - G = rotate_left(F, 19); \ - F = E; \ - E = P0(TT2); - } /* @@ -232,71 +202,39 @@ void SM3::compress_n(const uint8_t input[], size_t blocks) W1[62] = W[62] ^ W[66]; W1[63] = W[63] ^ W[67]; - SM3_CF0( 0); - SM3_CF0( 1); - SM3_CF0( 2); - SM3_CF0( 3); - SM3_CF0( 4); - SM3_CF0( 5); - SM3_CF0( 6); - SM3_CF0( 7); - SM3_CF0( 8); - SM3_CF0( 9); - SM3_CF0(10); - SM3_CF0(11); - SM3_CF0(12); - SM3_CF0(13); - SM3_CF0(14); - SM3_CF0(15); + for (size_t j = 0; j < 16; j++) + { + T[j] = SM3_TJ_0_15; + SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[j], j), 7); + SS2 = SS1 ^ rotate_left(A, 12); + TT1 = FF0(A, B, C) + D + SS2 + W1[j]; + TT2 = GG0(E, F, G) + H + SS1 + W[j]; + D = C; + C = rotate_left(B, 9); + B = A; + A = TT1; + H = G; + G = rotate_left(F, 19); + F = E; + E = P0(TT2); + } - SM3_CF1(16); - SM3_CF1(17); - SM3_CF1(18); - SM3_CF1(19); - SM3_CF1(20); - SM3_CF1(21); - SM3_CF1(22); - SM3_CF1(23); - SM3_CF1(24); - SM3_CF1(25); - SM3_CF1(26); - SM3_CF1(27); - SM3_CF1(28); - SM3_CF1(29); - SM3_CF1(30); - SM3_CF1(31); - SM3_CF1(32); - SM3_CF1(33); - SM3_CF1(34); - SM3_CF1(35); - SM3_CF1(36); - SM3_CF1(37); - SM3_CF1(38); - SM3_CF1(39); - SM3_CF1(40); - SM3_CF1(41); - SM3_CF1(42); - SM3_CF1(43); - SM3_CF1(44); - SM3_CF1(45); - SM3_CF1(46); - SM3_CF1(47); - SM3_CF1(48); - SM3_CF1(49); - SM3_CF1(50); - SM3_CF1(51); - SM3_CF1(52); - SM3_CF1(53); - SM3_CF1(54); - SM3_CF1(55); - SM3_CF1(56); - SM3_CF1(57); - SM3_CF1(58); - SM3_CF1(59); - SM3_CF1(60); - SM3_CF1(61); - SM3_CF1(62); - SM3_CF1(63); + for (size_t j = 16; j < 64; j++) + { + T[j] = SM3_TJ_16_63; + SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[j], j), 7); + SS2 = SS1 ^ rotate_left(A, 12); + TT1 = FF1(A, B, C) + D + SS2 + W1[j]; + TT2 = GG1(E, F, G) + H + SS1 + W[j]; + D = C; + C = rotate_left(B, 9); + B = A; + A = TT1; + H = G; + G = rotate_left(F, 19); + F = E; + E = P0(TT2); + } A = (m_digest[0] ^= A); B = (m_digest[1] ^= B); |