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#include <stdio.h> |
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#include <memory.h> |
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#include "cuda_helper.h" |
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// heavy.cu |
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extern cudaError_t MyStreamSynchronize(cudaStream_t stream, int situation, int thr_id); |
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#define U32TO64_LE(p) \ |
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(((uint64_t)(*p)) | (((uint64_t)(*(p + 1))) << 32)) |
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#define U64TO32_LE(p, v) \ |
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*p = (uint32_t)((v)); *(p+1) = (uint32_t)((v) >> 32); |
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static const uint64_t host_keccak_round_constants[24] = { |
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0x0000000000000001ull, 0x0000000000008082ull, |
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0x800000000000808aull, 0x8000000080008000ull, |
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0x000000000000808bull, 0x0000000080000001ull, |
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0x8000000080008081ull, 0x8000000000008009ull, |
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0x000000000000008aull, 0x0000000000000088ull, |
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0x0000000080008009ull, 0x000000008000000aull, |
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0x000000008000808bull, 0x800000000000008bull, |
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0x8000000000008089ull, 0x8000000000008003ull, |
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0x8000000000008002ull, 0x8000000000000080ull, |
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0x000000000000800aull, 0x800000008000000aull, |
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0x8000000080008081ull, 0x8000000000008080ull, |
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0x0000000080000001ull, 0x8000000080008008ull |
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}; |
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__constant__ uint64_t c_keccak_round_constants[24]; |
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static __device__ __forceinline__ void |
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keccak_block(uint64_t *s, const uint32_t *in, const uint64_t *keccak_round_constants) { |
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size_t i; |
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uint64_t t[5], u[5], v, w; |
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/* absorb input */ |
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#pragma unroll 9 |
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for (i = 0; i < 72 / 8; i++, in += 2) |
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s[i] ^= U32TO64_LE(in); |
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for (i = 0; i < 24; i++) { |
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/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
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t[0] = s[0] ^ s[5] ^ s[10] ^ s[15] ^ s[20]; |
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t[1] = s[1] ^ s[6] ^ s[11] ^ s[16] ^ s[21]; |
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t[2] = s[2] ^ s[7] ^ s[12] ^ s[17] ^ s[22]; |
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t[3] = s[3] ^ s[8] ^ s[13] ^ s[18] ^ s[23]; |
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t[4] = s[4] ^ s[9] ^ s[14] ^ s[19] ^ s[24]; |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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u[0] = t[4] ^ ROTL64(t[1], 1); |
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u[1] = t[0] ^ ROTL64(t[2], 1); |
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u[2] = t[1] ^ ROTL64(t[3], 1); |
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u[3] = t[2] ^ ROTL64(t[4], 1); |
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u[4] = t[3] ^ ROTL64(t[0], 1); |
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/* theta: a[0,i], a[1,i], .. a[4,i] ^= d[i] */ |
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s[0] ^= u[0]; s[5] ^= u[0]; s[10] ^= u[0]; s[15] ^= u[0]; s[20] ^= u[0]; |
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s[1] ^= u[1]; s[6] ^= u[1]; s[11] ^= u[1]; s[16] ^= u[1]; s[21] ^= u[1]; |
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s[2] ^= u[2]; s[7] ^= u[2]; s[12] ^= u[2]; s[17] ^= u[2]; s[22] ^= u[2]; |
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s[3] ^= u[3]; s[8] ^= u[3]; s[13] ^= u[3]; s[18] ^= u[3]; s[23] ^= u[3]; |
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s[4] ^= u[4]; s[9] ^= u[4]; s[14] ^= u[4]; s[19] ^= u[4]; s[24] ^= u[4]; |
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/* rho pi: b[..] = rotl(a[..], ..) */ |
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v = s[ 1]; |
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s[ 1] = ROTL64(s[ 6], 44); |
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s[ 6] = ROTL64(s[ 9], 20); |
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s[ 9] = ROTL64(s[22], 61); |
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s[22] = ROTL64(s[14], 39); |
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s[14] = ROTL64(s[20], 18); |
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s[20] = ROTL64(s[ 2], 62); |
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s[ 2] = ROTL64(s[12], 43); |
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s[12] = ROTL64(s[13], 25); |
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s[13] = ROTL64(s[19], 8); |
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s[19] = ROTL64(s[23], 56); |
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s[23] = ROTL64(s[15], 41); |
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s[15] = ROTL64(s[ 4], 27); |
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s[ 4] = ROTL64(s[24], 14); |
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s[24] = ROTL64(s[21], 2); |
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s[21] = ROTL64(s[ 8], 55); |
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s[ 8] = ROTL64(s[16], 45); |
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s[16] = ROTL64(s[ 5], 36); |
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s[ 5] = ROTL64(s[ 3], 28); |
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s[ 3] = ROTL64(s[18], 21); |
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s[18] = ROTL64(s[17], 15); |
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s[17] = ROTL64(s[11], 10); |
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s[11] = ROTL64(s[ 7], 6); |
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s[ 7] = ROTL64(s[10], 3); |
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s[10] = ROTL64( v, 1); |
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/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */ |
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v = s[ 0]; w = s[ 1]; s[ 0] ^= (~w) & s[ 2]; s[ 1] ^= (~s[ 2]) & s[ 3]; s[ 2] ^= (~s[ 3]) & s[ 4]; s[ 3] ^= (~s[ 4]) & v; s[ 4] ^= (~v) & w; |
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v = s[ 5]; w = s[ 6]; s[ 5] ^= (~w) & s[ 7]; s[ 6] ^= (~s[ 7]) & s[ 8]; s[ 7] ^= (~s[ 8]) & s[ 9]; s[ 8] ^= (~s[ 9]) & v; s[ 9] ^= (~v) & w; |
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v = s[10]; w = s[11]; s[10] ^= (~w) & s[12]; s[11] ^= (~s[12]) & s[13]; s[12] ^= (~s[13]) & s[14]; s[13] ^= (~s[14]) & v; s[14] ^= (~v) & w; |
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v = s[15]; w = s[16]; s[15] ^= (~w) & s[17]; s[16] ^= (~s[17]) & s[18]; s[17] ^= (~s[18]) & s[19]; s[18] ^= (~s[19]) & v; s[19] ^= (~v) & w; |
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v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w; |
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/* iota: a[0,0] ^= round constant */ |
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s[0] ^= keccak_round_constants[i]; |
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} |
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} |
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__global__ void quark_keccak512_gpu_hash_64(int threads, uint32_t startNounce, uint64_t *g_hash, uint32_t *g_nonceVector) |
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{ |
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int thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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uint32_t nounce = (g_nonceVector != NULL) ? g_nonceVector[thread] : (startNounce + thread); |
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int hashPosition = nounce - startNounce; |
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uint32_t *inpHash = (uint32_t*)&g_hash[8 * hashPosition]; |
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// Nachricht kopieren |
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uint32_t message[18]; |
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#pragma unroll 16 |
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for(int i=0;i<16;i++) |
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message[i] = inpHash[i]; |
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message[16] = 0x01; |
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message[17] = 0x80000000; |
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// State initialisieren |
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uint64_t keccak_gpu_state[25]; |
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#pragma unroll 25 |
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for (int i=0; i<25; i++) |
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keccak_gpu_state[i] = 0; |
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// den Block einmal gut durchsch<EFBFBD>tteln |
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keccak_block(keccak_gpu_state, message, c_keccak_round_constants); |
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// das Hash erzeugen |
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uint32_t hash[16]; |
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#pragma unroll 8 |
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for (size_t i = 0; i < 64; i += 8) { |
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U64TO32_LE((&hash[i/4]), keccak_gpu_state[i / 8]); |
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} |
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// fertig |
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uint32_t *outpHash = (uint32_t*)&g_hash[8 * hashPosition]; |
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#pragma unroll 16 |
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for(int i=0;i<16;i++) |
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outpHash[i] = hash[i]; |
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} |
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} |
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// Setup-Funktionen |
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__host__ void quark_keccak512_cpu_init(int thr_id, int threads) |
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{ |
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// Kopiere die Hash-Tabellen in den GPU-Speicher |
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cudaMemcpyToSymbol( c_keccak_round_constants, |
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host_keccak_round_constants, |
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sizeof(host_keccak_round_constants), |
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0, cudaMemcpyHostToDevice); |
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} |
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__host__ void quark_keccak512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order) |
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{ |
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const int threadsperblock = 256; |
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// berechne wie viele Thread Blocks wir brauchen |
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dim3 grid((threads + threadsperblock-1)/threadsperblock); |
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dim3 block(threadsperblock); |
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// Gr<EFBFBD><EFBFBD>e des dynamischen Shared Memory Bereichs |
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size_t shared_size = 0; |
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quark_keccak512_gpu_hash_64<<<grid, block, shared_size>>>(threads, startNounce, (uint64_t*)d_hash, d_nonceVector); |
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MyStreamSynchronize(NULL, order, thr_id); |
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}
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