diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/hash/gost_3411/gost_3411.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/hash/gost_3411/gost_3411.cpp b/src/lib/hash/gost_3411/gost_3411.cpp index 2e2ed962d..27773c795 100644 --- a/src/lib/hash/gost_3411/gost_3411.cpp +++ b/src/lib/hash/gost_3411/gost_3411.cpp @@ -92,8 +92,11 @@ void GOST_34_11::compress_n(const uint8_t input[], size_t blocks) // P transformation for(size_t k = 0; k != 4; ++k) + { + const uint64_t UVk = U[k] ^ V[k]; for(size_t l = 0; l != 8; ++l) - key[4*l+k] = get_byte(l, U[k]) ^ get_byte(l, V[k]); + key[4*l+k] = get_byte(l, UVk); + } m_cipher.set_key(key, 32); m_cipher.encrypt(&m_hash[8*j], S + 8*j); |