xmrig/algo/cryptonight/cryptonight_common.c
2017-04-22 15:34:05 +03:00

158 lines
5.1 KiB
C

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2016-2017 XMRig <support@xmrig.com>
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#ifndef BUILD_TEST
# include "xmrig.h"
#endif
#include "crypto/c_groestl.h"
#include "crypto/c_blake256.h"
#include "crypto/c_jh.h"
#include "crypto/c_skein.h"
#include "cryptonight.h"
#include "options.h"
#include "utils/applog.h"
const static char test_input[76] = {
0x03, 0x05, 0xA0, 0xDB, 0xD6, 0xBF, 0x05, 0xCF, 0x16, 0xE5, 0x03, 0xF3, 0xA6, 0x6F, 0x78, 0x00,
0x7C, 0xBF, 0x34, 0x14, 0x43, 0x32, 0xEC, 0xBF, 0xC2, 0x2E, 0xD9, 0x5C, 0x87, 0x00, 0x38, 0x3B,
0x30, 0x9A, 0xCE, 0x19, 0x23, 0xA0, 0x96, 0x4B, 0x00, 0x00, 0x00, 0x08, 0xBA, 0x93, 0x9A, 0x62,
0x72, 0x4C, 0x0D, 0x75, 0x81, 0xFC, 0xE5, 0x76, 0x1E, 0x9D, 0x8A, 0x0E, 0x6A, 0x1C, 0x3F, 0x92,
0x4F, 0xDD, 0x84, 0x93, 0xD1, 0x11, 0x56, 0x49, 0xC0, 0x5E, 0xB6, 0x01
};
const static char test_output[32] = {
0x1A, 0x3F, 0xFB, 0xEE, 0x90, 0x9B, 0x42, 0x0D, 0x91, 0xF7, 0xBE, 0x6E, 0x5F, 0xB5, 0x6D, 0xB7,
0x1B, 0x31, 0x10, 0xD8, 0x86, 0x01, 0x1E, 0x87, 0x7E, 0xE5, 0x78, 0x6A, 0xFD, 0x08, 0x01, 0x00
};
void cryptonight_av1_aesni(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx);
void cryptonight_av4_softaes(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx);
#if defined(__x86_64__)
void cryptonight_av2_aesni_stak(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx);
void cryptonight_av3_aesni_bmi2(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx);
void cryptonight_av5_aesni_experimental(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx);
#endif
void (*cryptonight_hash_ctx)(void* input, size_t size, const void* output, struct cryptonight_ctx* ctx) = NULL;
static bool self_test() {
char output[32];
struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) malloc(sizeof(struct cryptonight_ctx));
ctx->memory = (uint8_t *) malloc(MEMORY);
cryptonight_hash_ctx(test_input, sizeof(test_input), output, ctx);
free(ctx->memory);
free(ctx);
return memcmp(output, test_output, 32) == 0;
}
bool cryptonight_init(int variant)
{
switch (variant) {
case XMR_AV1_AESNI:
cryptonight_hash_ctx = cryptonight_av1_aesni;
break;
# if defined(__x86_64__)
case XMR_AV2_STAK:
cryptonight_hash_ctx = cryptonight_av2_aesni_stak;
break;
case XMR_AV3_AESNI_BMI2:
cryptonight_hash_ctx = cryptonight_av3_aesni_bmi2;
break;
case XMR_AV5_EXPERIMENTAL:
cryptonight_hash_ctx = cryptonight_av5_aesni_experimental;
break;
# endif
case XMR_AV4_SOFT_AES:
cryptonight_hash_ctx = cryptonight_av4_softaes;
break;
default:
break;
}
return self_test();
}
static inline void do_blake_hash(const void* input, size_t len, char* output) {
blake256_hash((uint8_t*)output, input, len);
}
static inline void do_groestl_hash(const void* input, size_t len, char* output) {
groestl(input, len * 8, (uint8_t*)output);
}
static inline void do_jh_hash(const void* input, size_t len, char* output) {
jh_hash(32 * 8, input, 8 * len, (uint8_t*)output);
}
static inline void do_skein_hash(const void* input, size_t len, char* output) {
skein_hash(8 * 32, input, 8 * len, (uint8_t*)output);
}
void (* const extra_hashes[4])(const void *, size_t, char *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};
#ifndef BUILD_TEST
int scanhash_cryptonight(int thr_id, uint32_t *hash, uint32_t *restrict blob, size_t blob_size, uint32_t target, uint32_t max_nonce, unsigned long *restrict hashes_done, struct cryptonight_ctx *restrict ctx) {
uint32_t *nonceptr = (uint32_t*) (((char*) blob) + 39);
uint32_t n = *nonceptr - 1;
const uint32_t first_nonce = n + 1;
do {
*nonceptr = ++n;
cryptonight_hash_ctx(blob, blob_size, hash, ctx);
if (unlikely(hash[7] < target)) {
*hashes_done = n - first_nonce + 1;
return true;
}
} while (likely((n <= max_nonce && !work_restart[thr_id].restart)));
*hashes_done = n - first_nonce + 1;
return 0;
}
#endif