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838 lines
23 KiB
838 lines
23 KiB
10 years ago
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//
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// =============== KECCAK part on nVidia GPU ======================
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//
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// The keccak512 (SHA-3) is used in the PBKDF2 for scrypt-jane coins
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// in place of the SHA2 based PBKDF2 used in scrypt coins.
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//
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// The keccak256 is used exclusively in Maxcoin and clones. This module
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// holds the generic "default" implementation when no architecture
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// specific implementation is available in the kernel.
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//
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// NOTE: compile this .cu module for compute_10,sm_10 with --maxrregcount=64
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//
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#include <map>
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#include <stdint.h>
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#include "salsa_kernel.h"
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#include "cuda_runtime.h"
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#include "miner.h"
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#include "keccak.h"
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// define some error checking macros
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#undef checkCudaErrors
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#if WIN32
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#define DELIMITER '/'
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#else
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#define DELIMITER '/'
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#endif
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#define __FILENAME__ ( strrchr(__FILE__, DELIMITER) != NULL ? strrchr(__FILE__, DELIMITER)+1 : __FILE__ )
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#define checkCudaErrors(x) \
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{ \
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cudaGetLastError(); \
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x; \
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cudaError_t err = cudaGetLastError(); \
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if (err != cudaSuccess) \
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applog(LOG_ERR, "GPU #%d: cudaError %d (%s) calling '%s' (%s line %d)\n", device_map[thr_id], err, cudaGetErrorString(err), #x, __FILENAME__, __LINE__); \
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}
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// from salsa_kernel.cu
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extern std::map<int, uint32_t *> context_idata[2];
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extern std::map<int, uint32_t *> context_odata[2];
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extern std::map<int, cudaStream_t> context_streams[2];
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extern std::map<int, uint32_t *> context_hash[2];
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#define ROTL64(a,b) (((a) << (b)) | ((a) >> (64 - b)))
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// CB
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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 __device__ void mycpy64(uint32_t *d, const uint32_t *s) {
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#pragma unroll 16
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for (int k=0; k < 16; ++k) d[k] = s[k];
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}
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static __device__ void mycpy56(uint32_t *d, const uint32_t *s) {
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#pragma unroll 14
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for (int k=0; k < 14; ++k) d[k] = s[k];
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}
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static __device__ void mycpy32(uint32_t *d, const uint32_t *s) {
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#pragma unroll 8
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for (int k=0; k < 8; ++k) d[k] = s[k];
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}
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static __device__ void mycpy8(uint32_t *d, const uint32_t *s) {
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#pragma unroll 2
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for (int k=0; k < 2; ++k) d[k] = s[k];
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}
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static __device__ void mycpy4(uint32_t *d, const uint32_t *s) {
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*d = *s;
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}
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// ---------------------------- BEGIN keccak functions ------------------------------------
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#define KECCAK_HASH "Keccak-512"
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typedef struct keccak_hash_state_t {
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uint64_t state[25]; // 25*2
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uint32_t buffer[72/4]; // 72
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} keccak_hash_state;
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__device__ void statecopy0(keccak_hash_state *d, keccak_hash_state *s)
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{
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#pragma unroll 25
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for (int i=0; i < 25; ++i)
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d->state[i] = s->state[i];
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}
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__device__ void statecopy8(keccak_hash_state *d, keccak_hash_state *s)
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{
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#pragma unroll 25
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for (int i=0; i < 25; ++i)
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d->state[i] = s->state[i];
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#pragma unroll 2
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for (int i=0; i < 2; ++i)
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d->buffer[i] = s->buffer[i];
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}
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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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__constant__ uint32_t pdata[20];
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__device__
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void keccak_block(keccak_hash_state *S, const uint32_t *in) {
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size_t i;
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uint64_t *s = S->state, 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] ^= c_keccak_round_constants[i];
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}
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}
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__device__
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void keccak_hash_init(keccak_hash_state *S) {
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#pragma unroll 25
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for (int i=0; i<25; ++i)
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S->state[i] = 0ULL;
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}
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// assuming there is no leftover data and exactly 72 bytes are incoming
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// we can directly call into the block hashing function
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__device__ void keccak_hash_update72(keccak_hash_state *S, const uint32_t *in) {
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keccak_block(S, in);
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}
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__device__ void keccak_hash_update8(keccak_hash_state *S, const uint32_t *in) {
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mycpy8(S->buffer, in);
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}
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__device__ void keccak_hash_update4_8(keccak_hash_state *S, const uint32_t *in) {
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mycpy4(S->buffer+8/4, in);
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}
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__device__ void keccak_hash_update4_56(keccak_hash_state *S, const uint32_t *in) {
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mycpy4(S->buffer+56/4, in);
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}
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__device__ void keccak_hash_update56(keccak_hash_state *S, const uint32_t *in) {
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mycpy56(S->buffer, in);
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}
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__device__ void keccak_hash_update64(keccak_hash_state *S, const uint32_t *in) {
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mycpy64(S->buffer, in);
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}
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__device__ void keccak_hash_finish8(keccak_hash_state *S, uint32_t *hash) {
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S->buffer[8/4] = 0x01;
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#pragma unroll 15
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for (int i=8/4+1; i < 72/4; ++i) S->buffer[i] = 0;
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S->buffer[72/4 - 1] |= 0x80000000;
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keccak_block(S, (const uint32_t*)S->buffer);
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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]), S->state[i / 8]);
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}
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}
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__device__ void keccak_hash_finish12(keccak_hash_state *S, uint32_t *hash) {
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S->buffer[12/4] = 0x01;
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#pragma unroll 14
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for (int i=12/4+1; i < 72/4; ++i) S->buffer[i] = 0;
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S->buffer[72/4 - 1] |= 0x80000000;
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keccak_block(S, (const uint32_t*)S->buffer);
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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]), S->state[i / 8]);
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}
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}
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__device__ void keccak_hash_finish60(keccak_hash_state *S, uint32_t *hash) {
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S->buffer[60/4] = 0x01;
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#pragma unroll 2
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for (int i=60/4+1; i < 72/4; ++i) S->buffer[i] = 0;
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S->buffer[72/4 - 1] |= 0x80000000;
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keccak_block(S, (const uint32_t*)S->buffer);
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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]), S->state[i / 8]);
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}
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}
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__device__ void keccak_hash_finish64(keccak_hash_state *S, uint32_t *hash) {
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S->buffer[64/4] = 0x01;
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#pragma unroll 1
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for (int i=64/4+1; i < 72/4; ++i) S->buffer[i] = 0;
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S->buffer[72/4 - 1] |= 0x80000000;
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keccak_block(S, (const uint32_t*)S->buffer);
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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]), S->state[i / 8]);
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}
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}
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// ---------------------------- END keccak functions ------------------------------------
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// ---------------------------- BEGIN PBKDF2 functions ------------------------------------
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typedef struct pbkdf2_hmac_state_t {
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keccak_hash_state inner, outer;
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} pbkdf2_hmac_state;
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__device__ void pbkdf2_hash(uint32_t *hash, const uint32_t *m) {
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keccak_hash_state st;
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keccak_hash_init(&st);
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keccak_hash_update72(&st, m);
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keccak_hash_update8(&st, m+72/4);
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keccak_hash_finish8(&st, hash);
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}
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/* hmac */
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__device__ void pbkdf2_hmac_init80(pbkdf2_hmac_state *st, const uint32_t *key) {
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uint32_t pad[72/4];
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size_t i;
|
||
|
|
|
||
|
|
keccak_hash_init(&st->inner);
|
||
|
|
keccak_hash_init(&st->outer);
|
||
|
|
|
||
|
|
#pragma unroll 18
|
||
|
|
for (i = 0; i < 72/4; i++)
|
||
|
|
pad[i] = 0;
|
||
|
|
|
||
|
|
/* key > blocksize bytes, hash it */
|
||
|
|
pbkdf2_hash(pad, key);
|
||
|
|
|
||
|
|
/* inner = (key ^ 0x36) */
|
||
|
|
/* h(inner || ...) */
|
||
|
|
#pragma unroll 18
|
||
|
|
for (i = 0; i < 72/4; i++)
|
||
|
|
pad[i] ^= 0x36363636;
|
||
|
|
keccak_hash_update72(&st->inner, pad);
|
||
|
|
|
||
|
|
/* outer = (key ^ 0x5c) */
|
||
|
|
/* h(outer || ...) */
|
||
|
|
#pragma unroll 18
|
||
|
|
for (i = 0; i < 72/4; i++)
|
||
|
|
pad[i] ^= 0x6a6a6a6a;
|
||
|
|
keccak_hash_update72(&st->outer, pad);
|
||
|
|
}
|
||
|
|
|
||
|
|
// assuming there is no leftover data and exactly 72 bytes are incoming
|
||
|
|
// we can directly call into the block hashing function
|
||
|
|
__device__ void pbkdf2_hmac_update72(pbkdf2_hmac_state *st, const uint32_t *m) {
|
||
|
|
/* h(inner || m...) */
|
||
|
|
keccak_hash_update72(&st->inner, m);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_update8(pbkdf2_hmac_state *st, const uint32_t *m) {
|
||
|
|
/* h(inner || m...) */
|
||
|
|
keccak_hash_update8(&st->inner, m);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_update4_8(pbkdf2_hmac_state *st, const uint32_t *m) {
|
||
|
|
/* h(inner || m...) */
|
||
|
|
keccak_hash_update4_8(&st->inner, m);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_update4_56(pbkdf2_hmac_state *st, const uint32_t *m) {
|
||
|
|
/* h(inner || m...) */
|
||
|
|
keccak_hash_update4_56(&st->inner, m);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_update56(pbkdf2_hmac_state *st, const uint32_t *m) {
|
||
|
|
/* h(inner || m...) */
|
||
|
|
keccak_hash_update56(&st->inner, m);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_finish12(pbkdf2_hmac_state *st, uint32_t *mac) {
|
||
|
|
/* h(inner || m) */
|
||
|
|
uint32_t innerhash[16];
|
||
|
|
keccak_hash_finish12(&st->inner, innerhash);
|
||
|
|
|
||
|
|
/* h(outer || h(inner || m)) */
|
||
|
|
keccak_hash_update64(&st->outer, innerhash);
|
||
|
|
keccak_hash_finish64(&st->outer, mac);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_hmac_finish60(pbkdf2_hmac_state *st, uint32_t *mac) {
|
||
|
|
/* h(inner || m) */
|
||
|
|
uint32_t innerhash[16];
|
||
|
|
keccak_hash_finish60(&st->inner, innerhash);
|
||
|
|
|
||
|
|
/* h(outer || h(inner || m)) */
|
||
|
|
keccak_hash_update64(&st->outer, innerhash);
|
||
|
|
keccak_hash_finish64(&st->outer, mac);
|
||
|
|
}
|
||
|
|
|
||
|
|
__device__ void pbkdf2_statecopy8(pbkdf2_hmac_state *d, pbkdf2_hmac_state *s) {
|
||
|
|
statecopy8(&d->inner, &s->inner);
|
||
|
|
statecopy0(&d->outer, &s->outer);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ---------------------------- END PBKDF2 functions ------------------------------------
|
||
|
|
|
||
|
|
static __device__ uint32_t cuda_swab32(uint32_t x) {
|
||
|
|
return (((x << 24) & 0xff000000u) | ((x << 8) & 0x00ff0000u)
|
||
|
|
| ((x >> 8) & 0x0000ff00u) | ((x >> 24) & 0x000000ffu));
|
||
|
|
}
|
||
|
|
|
||
|
|
__global__ __launch_bounds__(128)
|
||
|
|
void cuda_pre_keccak512(uint32_t *g_idata, uint32_t nonce)
|
||
|
|
{
|
||
|
|
nonce += (blockIdx.x * blockDim.x) + threadIdx.x;
|
||
|
|
g_idata += 32 * ((blockIdx.x * blockDim.x) + threadIdx.x);
|
||
|
|
|
||
|
|
uint32_t data[20];
|
||
|
|
|
||
|
|
#pragma unroll
|
||
|
|
for (int i=0; i <19; ++i)
|
||
|
|
data[i] = cuda_swab32(pdata[i]);
|
||
|
|
data[19] = cuda_swab32(nonce);
|
||
|
|
|
||
|
|
// scrypt_pbkdf2_1((const uint8_t*)data, 80, (const uint8_t*)data, 80, (uint8_t*)g_idata, 128);
|
||
|
|
|
||
|
|
pbkdf2_hmac_state hmac_pw, work;
|
||
|
|
uint32_t ti[16];
|
||
|
|
uint32_t be;
|
||
|
|
|
||
|
|
/* hmac(password, ...) */
|
||
|
|
pbkdf2_hmac_init80(&hmac_pw, data);
|
||
|
|
|
||
|
|
/* hmac(password, salt...) */
|
||
|
|
pbkdf2_hmac_update72(&hmac_pw, data);
|
||
|
|
pbkdf2_hmac_update8(&hmac_pw, data+72/4);
|
||
|
|
|
||
|
|
/* U1 = hmac(password, salt || be(i)) */
|
||
|
|
be = cuda_swab32(1);
|
||
|
|
pbkdf2_statecopy8(&work, &hmac_pw);
|
||
|
|
pbkdf2_hmac_update4_8(&work, &be);
|
||
|
|
pbkdf2_hmac_finish12(&work, ti);
|
||
|
|
mycpy64(g_idata, ti);
|
||
|
|
|
||
|
|
be = cuda_swab32(2);
|
||
|
|
pbkdf2_statecopy8(&work, &hmac_pw);
|
||
|
|
pbkdf2_hmac_update4_8(&work, &be);
|
||
|
|
pbkdf2_hmac_finish12(&work, ti);
|
||
|
|
mycpy64(g_idata+16, ti);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
__global__ __launch_bounds__(128)
|
||
|
|
void cuda_post_keccak512(uint32_t *g_odata, uint32_t *g_hash, uint32_t nonce)
|
||
|
|
{
|
||
|
|
nonce += (blockIdx.x * blockDim.x) + threadIdx.x;
|
||
|
|
g_odata += 32 * ((blockIdx.x * blockDim.x) + threadIdx.x);
|
||
|
|
g_hash += 8 * ((blockIdx.x * blockDim.x) + threadIdx.x);
|
||
|
|
|
||
|
|
uint32_t data[20];
|
||
|
|
|
||
|
|
#pragma unroll 19
|
||
|
|
for (int i=0; i <19; ++i)
|
||
|
|
data[i] = cuda_swab32(pdata[i]);
|
||
|
|
data[19] = cuda_swab32(nonce);
|
||
|
|
|
||
|
|
// scrypt_pbkdf2_1((const uint8_t*)data, 80, (const uint8_t*)g_odata, 128, (uint8_t*)g_hash, 32);
|
||
|
|
|
||
|
|
pbkdf2_hmac_state hmac_pw;
|
||
|
|
uint32_t ti[16];
|
||
|
|
uint32_t be;
|
||
|
|
|
||
|
|
/* hmac(password, ...) */
|
||
|
|
pbkdf2_hmac_init80(&hmac_pw, data);
|
||
|
|
|
||
|
|
/* hmac(password, salt...) */
|
||
|
|
pbkdf2_hmac_update72(&hmac_pw, g_odata);
|
||
|
|
pbkdf2_hmac_update56(&hmac_pw, g_odata+72/4);
|
||
|
|
|
||
|
|
/* U1 = hmac(password, salt || be(i)) */
|
||
|
|
be = cuda_swab32(1);
|
||
|
|
pbkdf2_hmac_update4_56(&hmac_pw, &be);
|
||
|
|
pbkdf2_hmac_finish60(&hmac_pw, ti);
|
||
|
|
mycpy32(g_hash, ti);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// callable host code to initialize constants and to call kernels
|
||
|
|
//
|
||
|
|
|
||
|
|
static bool init[MAX_GPUS] = { 0 };
|
||
|
|
|
||
|
|
extern "C" void prepare_keccak512(int thr_id, const uint32_t host_pdata[20])
|
||
|
|
{
|
||
|
|
if (!init[thr_id])
|
||
|
|
{
|
||
|
|
checkCudaErrors(cudaMemcpyToSymbol(c_keccak_round_constants, host_keccak_round_constants, sizeof(host_keccak_round_constants), 0, cudaMemcpyHostToDevice));
|
||
|
|
init[thr_id] = true;
|
||
|
|
}
|
||
|
|
checkCudaErrors(cudaMemcpyToSymbol(pdata, host_pdata, 20*sizeof(uint32_t), 0, cudaMemcpyHostToDevice));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern "C" void pre_keccak512(int thr_id, int stream, uint32_t nonce, int throughput)
|
||
|
|
{
|
||
|
|
dim3 block(128);
|
||
|
|
dim3 grid((throughput+127)/128);
|
||
|
|
|
||
|
|
cuda_pre_keccak512<<<grid, block, 0, context_streams[stream][thr_id]>>>(context_idata[stream][thr_id], nonce);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern "C" void post_keccak512(int thr_id, int stream, uint32_t nonce, int throughput)
|
||
|
|
{
|
||
|
|
dim3 block(128);
|
||
|
|
dim3 grid((throughput+127)/128);
|
||
|
|
|
||
|
|
cuda_post_keccak512<<<grid, block, 0, context_streams[stream][thr_id]>>>(context_odata[stream][thr_id], context_hash[stream][thr_id], nonce);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Maxcoin related Keccak implementation (Keccak256)
|
||
|
|
//
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <map>
|
||
|
|
extern std::map<int, int> context_blocks;
|
||
|
|
extern std::map<int, int> context_wpb;
|
||
|
|
extern std::map<int, KernelInterface *> context_kernel;
|
||
|
|
|
||
|
|
__constant__ uint64_t ptarget64[4];
|
||
|
|
|
||
|
|
#define ROL(a, offset) ((((uint64_t)a) << ((offset) % 64)) ^ (((uint64_t)a) >> (64-((offset) % 64))))
|
||
|
|
#define ROL_mult8(a, offset) ROL(a, offset)
|
||
|
|
|
||
|
|
__constant__ uint64_t KeccakF_RoundConstants[24];
|
||
|
|
|
||
|
|
static uint64_t host_KeccakF_RoundConstants[24] = {
|
||
|
|
(uint64_t)0x0000000000000001ULL,
|
||
|
|
(uint64_t)0x0000000000008082ULL,
|
||
|
|
(uint64_t)0x800000000000808aULL,
|
||
|
|
(uint64_t)0x8000000080008000ULL,
|
||
|
|
(uint64_t)0x000000000000808bULL,
|
||
|
|
(uint64_t)0x0000000080000001ULL,
|
||
|
|
(uint64_t)0x8000000080008081ULL,
|
||
|
|
(uint64_t)0x8000000000008009ULL,
|
||
|
|
(uint64_t)0x000000000000008aULL,
|
||
|
|
(uint64_t)0x0000000000000088ULL,
|
||
|
|
(uint64_t)0x0000000080008009ULL,
|
||
|
|
(uint64_t)0x000000008000000aULL,
|
||
|
|
(uint64_t)0x000000008000808bULL,
|
||
|
|
(uint64_t)0x800000000000008bULL,
|
||
|
|
(uint64_t)0x8000000000008089ULL,
|
||
|
|
(uint64_t)0x8000000000008003ULL,
|
||
|
|
(uint64_t)0x8000000000008002ULL,
|
||
|
|
(uint64_t)0x8000000000000080ULL,
|
||
|
|
(uint64_t)0x000000000000800aULL,
|
||
|
|
(uint64_t)0x800000008000000aULL,
|
||
|
|
(uint64_t)0x8000000080008081ULL,
|
||
|
|
(uint64_t)0x8000000000008080ULL,
|
||
|
|
(uint64_t)0x0000000080000001ULL,
|
||
|
|
(uint64_t)0x8000000080008008ULL
|
||
|
|
};
|
||
|
|
|
||
|
|
__constant__ uint64_t pdata64[10];
|
||
|
|
|
||
|
|
__global__
|
||
|
|
void crypto_hash(uint64_t *g_out, uint32_t nonce, uint32_t *g_good, bool validate)
|
||
|
|
{
|
||
|
|
uint64_t Aba, Abe, Abi, Abo, Abu;
|
||
|
|
uint64_t Aga, Age, Agi, Ago, Agu;
|
||
|
|
uint64_t Aka, Ake, Aki, Ako, Aku;
|
||
|
|
uint64_t Ama, Ame, Ami, Amo, Amu;
|
||
|
|
uint64_t Asa, Ase, Asi, Aso, Asu;
|
||
|
|
uint64_t BCa, BCe, BCi, BCo, BCu;
|
||
|
|
uint64_t Da, De, Di, Do, Du;
|
||
|
|
uint64_t Eba, Ebe, Ebi, Ebo, Ebu;
|
||
|
|
uint64_t Ega, Ege, Egi, Ego, Egu;
|
||
|
|
uint64_t Eka, Eke, Eki, Eko, Eku;
|
||
|
|
uint64_t Ema, Eme, Emi, Emo, Emu;
|
||
|
|
uint64_t Esa, Ese, Esi, Eso, Esu;
|
||
|
|
|
||
|
|
//copyFromState(A, state)
|
||
|
|
Aba = pdata64[0];
|
||
|
|
Abe = pdata64[1];
|
||
|
|
Abi = pdata64[2];
|
||
|
|
Abo = pdata64[3];
|
||
|
|
Abu = pdata64[4];
|
||
|
|
Aga = pdata64[5];
|
||
|
|
Age = pdata64[6];
|
||
|
|
Agi = pdata64[7];
|
||
|
|
Ago = pdata64[8];
|
||
|
|
Agu = (pdata64[9] & 0x00000000FFFFFFFFULL) | (((uint64_t)cuda_swab32(nonce + ((blockIdx.x * blockDim.x) + threadIdx.x))) << 32);
|
||
|
|
Aka = 0x0000000000000001ULL;
|
||
|
|
Ake = 0;
|
||
|
|
Aki = 0;
|
||
|
|
Ako = 0;
|
||
|
|
Aku = 0;
|
||
|
|
Ama = 0;
|
||
|
|
Ame = 0x8000000000000000ULL;
|
||
|
|
Ami = 0;
|
||
|
|
Amo = 0;
|
||
|
|
Amu = 0;
|
||
|
|
Asa = 0;
|
||
|
|
Ase = 0;
|
||
|
|
Asi = 0;
|
||
|
|
Aso = 0;
|
||
|
|
Asu = 0;
|
||
|
|
|
||
|
|
#pragma unroll 12
|
||
|
|
for( int laneCount = 0; laneCount < 24; laneCount += 2 )
|
||
|
|
{
|
||
|
|
// prepareTheta
|
||
|
|
BCa = Aba^Aga^Aka^Ama^Asa;
|
||
|
|
BCe = Abe^Age^Ake^Ame^Ase;
|
||
|
|
BCi = Abi^Agi^Aki^Ami^Asi;
|
||
|
|
BCo = Abo^Ago^Ako^Amo^Aso;
|
||
|
|
BCu = Abu^Agu^Aku^Amu^Asu;
|
||
|
|
|
||
|
|
//thetaRhoPiChiIotaPrepareTheta(round , A, E)
|
||
|
|
Da = BCu^ROL(BCe, 1);
|
||
|
|
De = BCa^ROL(BCi, 1);
|
||
|
|
Di = BCe^ROL(BCo, 1);
|
||
|
|
Do = BCi^ROL(BCu, 1);
|
||
|
|
Du = BCo^ROL(BCa, 1);
|
||
|
|
|
||
|
|
Aba ^= Da;
|
||
|
|
BCa = Aba;
|
||
|
|
Age ^= De;
|
||
|
|
BCe = ROL(Age, 44);
|
||
|
|
Aki ^= Di;
|
||
|
|
BCi = ROL(Aki, 43);
|
||
|
|
Amo ^= Do;
|
||
|
|
BCo = ROL(Amo, 21);
|
||
|
|
Asu ^= Du;
|
||
|
|
BCu = ROL(Asu, 14);
|
||
|
|
Eba = BCa ^((~BCe)& BCi );
|
||
|
|
Eba ^= (uint64_t)KeccakF_RoundConstants[laneCount];
|
||
|
|
Ebe = BCe ^((~BCi)& BCo );
|
||
|
|
Ebi = BCi ^((~BCo)& BCu );
|
||
|
|
Ebo = BCo ^((~BCu)& BCa );
|
||
|
|
Ebu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Abo ^= Do;
|
||
|
|
BCa = ROL(Abo, 28);
|
||
|
|
Agu ^= Du;
|
||
|
|
BCe = ROL(Agu, 20);
|
||
|
|
Aka ^= Da;
|
||
|
|
BCi = ROL(Aka, 3);
|
||
|
|
Ame ^= De;
|
||
|
|
BCo = ROL(Ame, 45);
|
||
|
|
Asi ^= Di;
|
||
|
|
BCu = ROL(Asi, 61);
|
||
|
|
Ega = BCa ^((~BCe)& BCi );
|
||
|
|
Ege = BCe ^((~BCi)& BCo );
|
||
|
|
Egi = BCi ^((~BCo)& BCu );
|
||
|
|
Ego = BCo ^((~BCu)& BCa );
|
||
|
|
Egu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Abe ^= De;
|
||
|
|
BCa = ROL(Abe, 1);
|
||
|
|
Agi ^= Di;
|
||
|
|
BCe = ROL(Agi, 6);
|
||
|
|
Ako ^= Do;
|
||
|
|
BCi = ROL(Ako, 25);
|
||
|
|
Amu ^= Du;
|
||
|
|
BCo = ROL_mult8(Amu, 8);
|
||
|
|
Asa ^= Da;
|
||
|
|
BCu = ROL(Asa, 18);
|
||
|
|
Eka = BCa ^((~BCe)& BCi );
|
||
|
|
Eke = BCe ^((~BCi)& BCo );
|
||
|
|
Eki = BCi ^((~BCo)& BCu );
|
||
|
|
Eko = BCo ^((~BCu)& BCa );
|
||
|
|
Eku = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Abu ^= Du;
|
||
|
|
BCa = ROL(Abu, 27);
|
||
|
|
Aga ^= Da;
|
||
|
|
BCe = ROL(Aga, 36);
|
||
|
|
Ake ^= De;
|
||
|
|
BCi = ROL(Ake, 10);
|
||
|
|
Ami ^= Di;
|
||
|
|
BCo = ROL(Ami, 15);
|
||
|
|
Aso ^= Do;
|
||
|
|
BCu = ROL_mult8(Aso, 56);
|
||
|
|
Ema = BCa ^((~BCe)& BCi );
|
||
|
|
Eme = BCe ^((~BCi)& BCo );
|
||
|
|
Emi = BCi ^((~BCo)& BCu );
|
||
|
|
Emo = BCo ^((~BCu)& BCa );
|
||
|
|
Emu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Abi ^= Di;
|
||
|
|
BCa = ROL(Abi, 62);
|
||
|
|
Ago ^= Do;
|
||
|
|
BCe = ROL(Ago, 55);
|
||
|
|
Aku ^= Du;
|
||
|
|
BCi = ROL(Aku, 39);
|
||
|
|
Ama ^= Da;
|
||
|
|
BCo = ROL(Ama, 41);
|
||
|
|
Ase ^= De;
|
||
|
|
BCu = ROL(Ase, 2);
|
||
|
|
Esa = BCa ^((~BCe)& BCi );
|
||
|
|
Ese = BCe ^((~BCi)& BCo );
|
||
|
|
Esi = BCi ^((~BCo)& BCu );
|
||
|
|
Eso = BCo ^((~BCu)& BCa );
|
||
|
|
Esu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
// prepareTheta
|
||
|
|
BCa = Eba^Ega^Eka^Ema^Esa;
|
||
|
|
BCe = Ebe^Ege^Eke^Eme^Ese;
|
||
|
|
BCi = Ebi^Egi^Eki^Emi^Esi;
|
||
|
|
BCo = Ebo^Ego^Eko^Emo^Eso;
|
||
|
|
BCu = Ebu^Egu^Eku^Emu^Esu;
|
||
|
|
|
||
|
|
//thetaRhoPiChiIotaPrepareTheta(round+1, E, A)
|
||
|
|
Da = BCu^ROL(BCe, 1);
|
||
|
|
De = BCa^ROL(BCi, 1);
|
||
|
|
Di = BCe^ROL(BCo, 1);
|
||
|
|
Do = BCi^ROL(BCu, 1);
|
||
|
|
Du = BCo^ROL(BCa, 1);
|
||
|
|
|
||
|
|
Eba ^= Da;
|
||
|
|
BCa = Eba;
|
||
|
|
Ege ^= De;
|
||
|
|
BCe = ROL(Ege, 44);
|
||
|
|
Eki ^= Di;
|
||
|
|
BCi = ROL(Eki, 43);
|
||
|
|
Emo ^= Do;
|
||
|
|
BCo = ROL(Emo, 21);
|
||
|
|
Esu ^= Du;
|
||
|
|
BCu = ROL(Esu, 14);
|
||
|
|
Aba = BCa ^((~BCe)& BCi );
|
||
|
|
Aba ^= (uint64_t)KeccakF_RoundConstants[laneCount+1];
|
||
|
|
Abe = BCe ^((~BCi)& BCo );
|
||
|
|
Abi = BCi ^((~BCo)& BCu );
|
||
|
|
Abo = BCo ^((~BCu)& BCa );
|
||
|
|
Abu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Ebo ^= Do;
|
||
|
|
BCa = ROL(Ebo, 28);
|
||
|
|
Egu ^= Du;
|
||
|
|
BCe = ROL(Egu, 20);
|
||
|
|
Eka ^= Da;
|
||
|
|
BCi = ROL(Eka, 3);
|
||
|
|
Eme ^= De;
|
||
|
|
BCo = ROL(Eme, 45);
|
||
|
|
Esi ^= Di;
|
||
|
|
BCu = ROL(Esi, 61);
|
||
|
|
Aga = BCa ^((~BCe)& BCi );
|
||
|
|
Age = BCe ^((~BCi)& BCo );
|
||
|
|
Agi = BCi ^((~BCo)& BCu );
|
||
|
|
Ago = BCo ^((~BCu)& BCa );
|
||
|
|
Agu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Ebe ^= De;
|
||
|
|
BCa = ROL(Ebe, 1);
|
||
|
|
Egi ^= Di;
|
||
|
|
BCe = ROL(Egi, 6);
|
||
|
|
Eko ^= Do;
|
||
|
|
BCi = ROL(Eko, 25);
|
||
|
|
Emu ^= Du;
|
||
|
|
BCo = ROL_mult8(Emu, 8);
|
||
|
|
Esa ^= Da;
|
||
|
|
BCu = ROL(Esa, 18);
|
||
|
|
Aka = BCa ^((~BCe)& BCi );
|
||
|
|
Ake = BCe ^((~BCi)& BCo );
|
||
|
|
Aki = BCi ^((~BCo)& BCu );
|
||
|
|
Ako = BCo ^((~BCu)& BCa );
|
||
|
|
Aku = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Ebu ^= Du;
|
||
|
|
BCa = ROL(Ebu, 27);
|
||
|
|
Ega ^= Da;
|
||
|
|
BCe = ROL(Ega, 36);
|
||
|
|
Eke ^= De;
|
||
|
|
BCi = ROL(Eke, 10);
|
||
|
|
Emi ^= Di;
|
||
|
|
BCo = ROL(Emi, 15);
|
||
|
|
Eso ^= Do;
|
||
|
|
BCu = ROL_mult8(Eso, 56);
|
||
|
|
Ama = BCa ^((~BCe)& BCi );
|
||
|
|
Ame = BCe ^((~BCi)& BCo );
|
||
|
|
Ami = BCi ^((~BCo)& BCu );
|
||
|
|
Amo = BCo ^((~BCu)& BCa );
|
||
|
|
Amu = BCu ^((~BCa)& BCe );
|
||
|
|
|
||
|
|
Ebi ^= Di;
|
||
|
|
BCa = ROL(Ebi, 62);
|
||
|
|
Ego ^= Do;
|
||
|
|
BCe = ROL(Ego, 55);
|
||
|
|
Eku ^= Du;
|
||
|
|
BCi = ROL(Eku, 39);
|
||
|
|
Ema ^= Da;
|
||
|
|
BCo = ROL(Ema, 41);
|
||
|
|
Ese ^= De;
|
||
|
|
BCu = ROL(Ese, 2);
|
||
|
|
Asa = BCa ^((~BCe)& BCi );
|
||
|
|
Ase = BCe ^((~BCi)& BCo );
|
||
|
|
Asi = BCi ^((~BCo)& BCu );
|
||
|
|
Aso = BCo ^((~BCu)& BCa );
|
||
|
|
Asu = BCu ^((~BCa)& BCe );
|
||
|
|
}
|
||
|
|
|
||
|
|
if (validate) {
|
||
|
|
g_out += 4 * ((blockIdx.x * blockDim.x) + threadIdx.x);
|
||
|
|
g_out[3] = Abo;
|
||
|
|
g_out[2] = Abi;
|
||
|
|
g_out[1] = Abe;
|
||
|
|
g_out[0] = Aba;
|
||
|
|
}
|
||
|
|
|
||
|
|
// the likelyhood of meeting the hashing target is so low, that we're not guarding this
|
||
|
|
// with atomic writes, locks or similar...
|
||
|
|
uint64_t *g_good64 = (uint64_t*)g_good;
|
||
|
|
if (Abo <= ptarget64[3]) {
|
||
|
|
if (Abo < g_good64[3]) {
|
||
|
|
g_good64[3] = Abo;
|
||
|
|
g_good64[2] = Abi;
|
||
|
|
g_good64[1] = Abe;
|
||
|
|
g_good64[0] = Aba;
|
||
|
|
g_good[8] = nonce + ((blockIdx.x * blockDim.x) + threadIdx.x);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static std::map<int, uint32_t *> context_good[2];
|
||
|
|
|
||
|
|
// ... keccak???
|
||
|
|
bool default_prepare_keccak256(int thr_id, const uint32_t host_pdata[20], const uint32_t host_ptarget[8])
|
||
|
|
{
|
||
|
|
static bool init[MAX_DEVICES] = {false};
|
||
|
|
if (!init[thr_id])
|
||
|
|
{
|
||
|
|
checkCudaErrors(cudaMemcpyToSymbol(KeccakF_RoundConstants, host_KeccakF_RoundConstants, sizeof(host_KeccakF_RoundConstants), 0, cudaMemcpyHostToDevice));
|
||
|
|
|
||
|
|
// allocate pinned host memory for good hashes
|
||
|
|
uint32_t *tmp;
|
||
|
|
checkCudaErrors(cudaMalloc((void **) &tmp, 9*sizeof(uint32_t))); context_good[0][thr_id] = tmp;
|
||
|
|
checkCudaErrors(cudaMalloc((void **) &tmp, 9*sizeof(uint32_t))); context_good[1][thr_id] = tmp;
|
||
|
|
|
||
|
|
init[thr_id] = true;
|
||
|
|
}
|
||
|
|
checkCudaErrors(cudaMemcpyToSymbol(pdata64, host_pdata, 20*sizeof(uint32_t), 0, cudaMemcpyHostToDevice));
|
||
|
|
checkCudaErrors(cudaMemcpyToSymbol(ptarget64, host_ptarget, 8*sizeof(uint32_t), 0, cudaMemcpyHostToDevice));
|
||
|
|
|
||
|
|
return context_good[0][thr_id] && context_good[1][thr_id];
|
||
|
|
}
|
||
|
|
|
||
|
|
void default_do_keccak256(dim3 grid, dim3 threads, int thr_id, int stream, uint32_t *hash, uint32_t nonce, int throughput, bool do_d2h)
|
||
|
|
{
|
||
|
|
checkCudaErrors(cudaMemsetAsync(context_good[stream][thr_id], 0xff, 9 * sizeof(uint32_t), context_streams[stream][thr_id]));
|
||
|
|
|
||
|
|
crypto_hash<<<grid, threads, 0, context_streams[stream][thr_id]>>>((uint64_t*)context_hash[stream][thr_id], nonce, context_good[stream][thr_id], do_d2h);
|
||
|
|
|
||
|
|
// copy hashes from device memory to host (ALL hashes, lots of data...)
|
||
|
|
if (do_d2h && hash != NULL) {
|
||
|
|
size_t mem_size = throughput * sizeof(uint32_t) * 8;
|
||
|
|
checkCudaErrors(cudaMemcpyAsync(hash, context_hash[stream][thr_id], mem_size,
|
||
|
|
cudaMemcpyDeviceToHost, context_streams[stream][thr_id]));
|
||
|
|
}
|
||
|
|
else if (hash != NULL) {
|
||
|
|
// asynchronous copy of winning nonce (just 4 bytes...)
|
||
|
|
checkCudaErrors(cudaMemcpyAsync(hash, context_good[stream][thr_id]+8, sizeof(uint32_t),
|
||
|
|
cudaMemcpyDeviceToHost, context_streams[stream][thr_id]));
|
||
|
|
}
|
||
|
|
}
|