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implemented GOST_g_0

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This commit is contained in:
orignal 2017-05-01 19:35:52 -04:00
parent 2fd74c6a34
commit 49134947ce
1 changed files with 16 additions and 4 deletions
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20
gost/cuda_gosthash.cu
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@ -802,6 +802,7 @@ static void GOST_F(uint64_t* state)
GOST_Copy512(state, t);
}
__device__
static void GOST_E12(uint64_t* K, uint64_t *state)
{
@ -839,6 +840,18 @@ void GOST_g_N(uint64_t* h, uint64_t* const M, uint64_t* const N)
}
__device__
void GOST_g_0(uint64_t* h, uint64_t* const M)
{
uint64_t K[8];
GOST_FS(h, K);
uint64_t t[8];
GOST_E(K, M, t);
GOST_Xor512_3(h, t, M); // h = h ^ t ^ M
}
__device__ __forceinline__
void GOST_hash_X(uint64_t *hash, uint64_t * const message, uint32_t len) // always 2 blocks of 64 bytes, len is length of first block in bits (either 0 or 128)
{
@ -846,7 +859,7 @@ void GOST_hash_X(uint64_t *hash, uint64_t * const message, uint32_t len) // alwa
uint64_t N[8] = { 0 };
// second block
GOST_g_N(hash, message + 8, N);
GOST_g_0(hash, message + 8);
GOST_Add32 (N, 512);
GOST_Add512(Sigma, Sigma, message + 8);
@ -855,9 +868,8 @@ void GOST_hash_X(uint64_t *hash, uint64_t * const message, uint32_t len) // alwa
GOST_Add32 (N, len);
GOST_Add512(Sigma, Sigma, message);
uint64_t M[8] = { 0 };
GOST_g_N(hash, N, M);
GOST_g_N(hash, Sigma, M);
GOST_g_0(hash, N);
GOST_g_0(hash, Sigma);
}
__global__