diff options
Diffstat (limited to 'src/hash/sha2/sha2_32.cpp')
| -rw-r--r-- | src/hash/sha2/sha2_32.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/hash/sha2/sha2_32.cpp b/src/hash/sha2/sha2_32.cpp index be2638747..52528e6fd 100644 --- a/src/hash/sha2/sha2_32.cpp +++ b/src/hash/sha2/sha2_32.cpp @@ -48,6 +48,10 @@ inline void F1(u32bit A, u32bit B, u32bit C, u32bit& D, *************************************************/ void SHA_224_256_BASE::compress_n(const byte input[], u32bit blocks) { + u32bit A = digest[0], B = digest[1], C = digest[2], + D = digest[3], E = digest[4], F = digest[5], + G = digest[6], H = digest[7]; + for(u32bit i = 0; i != blocks; ++i) { for(u32bit j = 0; j != 16; ++j) @@ -58,10 +62,6 @@ void SHA_224_256_BASE::compress_n(const byte input[], u32bit blocks) W[j] = sigma(W[j- 2], 17, 19, 10) + W[j- 7] + sigma(W[j-15], 7, 18, 3) + W[j-16]; - u32bit A = digest[0], B = digest[1], C = digest[2], - D = digest[3], E = digest[4], F = digest[5], - G = digest[6], H = digest[7]; - F1(A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98); F1(H, A, B, C, D, E, F, G, W[ 1], 0x71374491); F1(G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF); @@ -127,9 +127,14 @@ void SHA_224_256_BASE::compress_n(const byte input[], u32bit blocks) F1(C, D, E, F, G, H, A, B, W[62], 0xBEF9A3F7); F1(B, C, D, E, F, G, H, A, W[63], 0xC67178F2); - digest[0] += A; digest[1] += B; digest[2] += C; - digest[3] += D; digest[4] += E; digest[5] += F; - digest[6] += G; digest[7] += H; + A = (digest[0] += A); + B = (digest[1] += B); + C = (digest[2] += C); + D = (digest[3] += D); + E = (digest[4] += E); + F = (digest[5] += F); + G = (digest[6] += G); + H = (digest[7] += H); } } |