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add 16 bytes instead 64

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orignal 2017-06-07 12:28:43 -04:00
parent 7cc56534e4
commit bc122b2817
1 changed files with 9 additions and 7 deletions
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16
gost/cuda_gosthash.cu
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@ -650,12 +650,13 @@ __constant__ static uint64_t CC_F1[12][8] =
{ 0xeb1ab39e4073b2f0, 0x22216718aefb32e4, 0xf9926a2b4248c862, 0x838bd14eb5ba6c3f, 0xa33f1ec5ff1cb214, 0xdb6aef763e43ff19, 0xa17f903ce0f5f90e, 0x03bf0065a0ecf9fc } { 0xeb1ab39e4073b2f0, 0x22216718aefb32e4, 0xf9926a2b4248c862, 0x838bd14eb5ba6c3f, 0xa33f1ec5ff1cb214, 0xdb6aef763e43ff19, 0xa17f903ce0f5f90e, 0x03bf0065a0ecf9fc }
}; };
__device__ __forceinline__ __device__ __forceinline__
void GOST_Add512(void *x, void * const a, void * const b) void GOST_Add128(void *x, void * const a, void * const b)
{ {
uint16_t t = 0; uint16_t t = 0;
#pragma unroll #pragma unroll
for(int i = 63; i >= 0; i--) for(int i = 15; i >= 0; i--)
{ {
t = ((uint8_t *)a)[i] + ((uint8_t *)b)[i] + (t >> 8); t = ((uint8_t *)a)[i] + ((uint8_t *)b)[i] + (t >> 8);
((uint8_t *)x)[i] = t & 0xFF; ((uint8_t *)x)[i] = t & 0xFF;
@ -865,7 +866,7 @@ void gostd_gpu_hash_80(const uint32_t threads, const uint32_t startNonce, uint32
if (thread < threads) if (thread < threads)
{ {
const uint32_t nonce = startNonce + thread; const uint32_t nonce = startNonce + thread;
uint64_t __align__(8) Sigma[8], __align__(8) N[8] = {0}; uint64_t __align__(8) N[8] = {0};
// first hash (GOST 34.11-512 over 80 bytes) // first hash (GOST 34.11-512 over 80 bytes)
uint64_t __align__(8) block2[8]; uint64_t __align__(8) block2[8];
// copy second block of header // copy second block of header
@ -880,8 +881,9 @@ void gostd_gpu_hash_80(const uint32_t threads, const uint32_t startNonce, uint32
GOST_g_N(hash1, c_header1 + 2, N); GOST_g_N(hash1, c_header1 + 2, N);
N[7] |= 0x8000000000000000; // +128 N[7] |= 0x8000000000000000; // +128
GOST_g_0(hash1, N); GOST_g_0(hash1, N);
GOST_Add512(Sigma, block2, c_header1 + 2); GOST_Add128(block2 + 6, block2 + 6, c_header1 + 8);
GOST_g_0(hash1, Sigma); block2[5] += 0x0100000000000000;
GOST_g_0(hash1, block2);
// second hash (GOST 34.11-256 over 64 bytes) // second hash (GOST 34.11-256 over 64 bytes)
uint64_t __align__(8) hash[8]; uint64_t __align__(8) hash[8];
@ -891,8 +893,8 @@ void gostd_gpu_hash_80(const uint32_t threads, const uint32_t startNonce, uint32
// first block // first block
GOST_g_N(hash, c_header1, N); GOST_g_N(hash, c_header1, N);
GOST_g_0(hash, N); GOST_g_0(hash, N);
GOST_Add512(Sigma, hash1, c_header1); hash1[7] += 0x0100000000000000;
GOST_g_0(hash, Sigma); GOST_g_0(hash, hash1);
// result is first 32 bytes of hash // result is first 32 bytes of hash
uint64_t high = MAKE_ULONGLONG(cuda_swab32(_HIDWORD(hash[0])), cuda_swab32(_LODWORD(hash[0]))); // swab uint64_t and invert uint64_t high = MAKE_ULONGLONG(cuda_swab32(_HIDWORD(hash[0])), cuda_swab32(_LODWORD(hash[0]))); // swab uint64_t and invert