Files
cpuminer-opt-gpu/algo/cryptonight/cryptolight.c
2016-09-22 13:16:18 -04:00

366 lines
14 KiB
C

// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "miner.h"
#include "algo-gate-api.h"
#if defined(__arm__) || defined(_MSC_VER)
#ifndef NOASM
#define NOASM
#endif
#endif
#include "crypto/oaes_lib.h"
#include "crypto/c_keccak.h"
#include "crypto/c_groestl.h"
#include "crypto/c_blake256.h"
#include "crypto/c_jh.h"
#include "crypto/c_skein.h"
#include "crypto/int-util.h"
#include "crypto/hash-ops.h"
#if USE_INT128
#if __GNUC__ == 4 && __GNUC_MINOR__ >= 4 && __GNUC_MINOR__ < 6
typedef unsigned int uint128_t __attribute__ ((__mode__ (TI)));
#elif defined (_MSC_VER)
/* only for mingw64 on windows */
#undef USE_INT128
#define USE_INT128 (0)
#else
typedef __uint128_t uint128_t;
#endif
#endif
#define LITE 1
#if LITE /* cryptonight-light */
#define MEMORY (1 << 20)
#define ITER (1 << 19)
#else
#define MEMORY (1 << 21) /* 2 MiB */
#define ITER (1 << 20)
#endif
#define AES_BLOCK_SIZE 16
#define AES_KEY_SIZE 32 /*16*/
#define INIT_SIZE_BLK 8
#define INIT_SIZE_BYTE (INIT_SIZE_BLK * AES_BLOCK_SIZE)
#pragma pack(push, 1)
union cn_slow_hash_state {
union hash_state hs;
struct {
uint8_t k[64];
uint8_t init[INIT_SIZE_BYTE];
};
};
#pragma pack(pop)
static void do_blake_hash(const void* input, size_t len, char* output) {
blake256_hash((uint8_t*)output, input, len);
}
static void do_groestl_hash(const void* input, size_t len, char* output) {
groestl(input, len * 8, (uint8_t*)output);
}
static void do_jh_hash(const void* input, size_t len, char* output) {
int r = jh_hash(HASH_SIZE * 8, input, 8 * len, (uint8_t*)output);
assert(likely(SUCCESS == r));
}
static void do_skein_hash(const void* input, size_t len, char* output) {
int r = skein_hash(8 * HASH_SIZE, input, 8 * len, (uint8_t*)output);
assert(likely(SKEIN_SUCCESS == r));
}
extern int aesb_single_round(const uint8_t *in, uint8_t*out, const uint8_t *expandedKey);
extern int aesb_pseudo_round_mut(uint8_t *val, uint8_t *expandedKey);
#if !defined(_MSC_VER) && !defined(NOASM)
extern int fast_aesb_single_round(const uint8_t *in, uint8_t*out, const uint8_t *expandedKey);
extern int fast_aesb_pseudo_round_mut(uint8_t *val, uint8_t *expandedKey);
#else
#define fast_aesb_single_round aesb_single_round
#define fast_aesb_pseudo_round_mut aesb_pseudo_round_mut
#endif
#if defined(NOASM) || !defined(__x86_64__)
static uint64_t mul128(uint64_t multiplier, uint64_t multiplicand, uint64_t* product_hi) {
// multiplier = ab = a * 2^32 + b
// multiplicand = cd = c * 2^32 + d
// ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d
uint64_t a = hi_dword(multiplier);
uint64_t b = lo_dword(multiplier);
uint64_t c = hi_dword(multiplicand);
uint64_t d = lo_dword(multiplicand);
uint64_t ac = a * c;
uint64_t ad = a * d;
uint64_t bc = b * c;
uint64_t bd = b * d;
uint64_t adbc = ad + bc;
uint64_t adbc_carry = adbc < ad ? 1 : 0;
// multiplier * multiplicand = product_hi * 2^64 + product_lo
uint64_t product_lo = bd + (adbc << 32);
uint64_t product_lo_carry = product_lo < bd ? 1 : 0;
*product_hi = ac + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry;
assert(ac <= *product_hi);
return product_lo;
}
#else
extern uint64_t mul128(uint64_t multiplier, uint64_t multiplicand, uint64_t* product_hi);
#endif
static void (* const extra_hashes[4])(const void *, size_t, char *) = {
do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash
};
static inline size_t e2i(const uint8_t* a) {
#if !LITE
return ((uint32_t *)a)[0] & 0x1FFFF0;
#else
return ((uint32_t *)a)[0] & 0xFFFF0;
#endif
}
static inline void mul_sum_xor_dst(const uint8_t* a, uint8_t* c, uint8_t* dst) {
uint64_t hi, lo = mul128(((uint64_t*) a)[0], ((uint64_t*) dst)[0], &hi) + ((uint64_t*) c)[1];
hi += ((uint64_t*) c)[0];
((uint64_t*) c)[0] = ((uint64_t*) dst)[0] ^ hi;
((uint64_t*) c)[1] = ((uint64_t*) dst)[1] ^ lo;
((uint64_t*) dst)[0] = hi;
((uint64_t*) dst)[1] = lo;
}
static inline void xor_blocks(uint8_t* a, const uint8_t* b) {
#if USE_INT128
*((uint128_t*) a) ^= *((uint128_t*) b);
#else
((uint64_t*) a)[0] ^= ((uint64_t*) b)[0];
((uint64_t*) a)[1] ^= ((uint64_t*) b)[1];
#endif
}
static inline void xor_blocks_dst(const uint8_t* a, const uint8_t* b, uint8_t* dst) {
#if USE_INT128
*((uint128_t*) dst) = *((uint128_t*) a) ^ *((uint128_t*) b);
#else
((uint64_t*) dst)[0] = ((uint64_t*) a)[0] ^ ((uint64_t*) b)[0];
((uint64_t*) dst)[1] = ((uint64_t*) a)[1] ^ ((uint64_t*) b)[1];
#endif
}
struct cryptonight_ctx {
uint8_t _ALIGN(16) long_state[MEMORY];
union cn_slow_hash_state state;
uint8_t _ALIGN(16) text[INIT_SIZE_BYTE];
uint8_t _ALIGN(16) a[AES_BLOCK_SIZE];
uint8_t _ALIGN(16) b[AES_BLOCK_SIZE];
uint8_t _ALIGN(16) c[AES_BLOCK_SIZE];
oaes_ctx* aes_ctx;
};
static void cryptolight_hash_ctx(void* output, const void* input, int len, struct cryptonight_ctx* ctx)
{
len = 76;
hash_process(&ctx->state.hs, (const uint8_t*) input, len);
ctx->aes_ctx = (oaes_ctx*) oaes_alloc();
size_t i, j;
memcpy(ctx->text, ctx->state.init, INIT_SIZE_BYTE);
oaes_key_import_data(ctx->aes_ctx, ctx->state.hs.b, AES_KEY_SIZE);
for (i = 0; likely(i < MEMORY); i += INIT_SIZE_BYTE) {
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 0], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 1], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 2], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 3], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 4], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 5], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 6], ctx->aes_ctx->key->exp_data);
aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 7], ctx->aes_ctx->key->exp_data);
memcpy(&ctx->long_state[i], ctx->text, INIT_SIZE_BYTE);
}
xor_blocks_dst(&ctx->state.k[0], &ctx->state.k[32], ctx->a);
xor_blocks_dst(&ctx->state.k[16], &ctx->state.k[48], ctx->b);
for (i = 0; likely(i < ITER / 4); ++i) {
/* Dependency chain: address -> read value ------+
* written value <-+ hard function (AES or MUL) <+
* next address <-+
*/
/* Iteration 1 */
j = e2i(ctx->a);
aesb_single_round(&ctx->long_state[j], ctx->c, ctx->a);
xor_blocks_dst(ctx->c, ctx->b, &ctx->long_state[j]);
/* Iteration 2 */
mul_sum_xor_dst(ctx->c, ctx->a, &ctx->long_state[e2i(ctx->c)]);
/* Iteration 3 */
j = e2i(ctx->a);
aesb_single_round(&ctx->long_state[j], ctx->b, ctx->a);
xor_blocks_dst(ctx->b, ctx->c, &ctx->long_state[j]);
/* Iteration 4 */
mul_sum_xor_dst(ctx->b, ctx->a, &ctx->long_state[e2i(ctx->b)]);
}
memcpy(ctx->text, ctx->state.init, INIT_SIZE_BYTE);
oaes_key_import_data(ctx->aes_ctx, &ctx->state.hs.b[32], AES_KEY_SIZE);
for (i = 0; likely(i < MEMORY); i += INIT_SIZE_BYTE) {
xor_blocks(&ctx->text[0 * AES_BLOCK_SIZE], &ctx->long_state[i + 0 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[0 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[1 * AES_BLOCK_SIZE], &ctx->long_state[i + 1 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[1 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[2 * AES_BLOCK_SIZE], &ctx->long_state[i + 2 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[2 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[3 * AES_BLOCK_SIZE], &ctx->long_state[i + 3 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[3 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[4 * AES_BLOCK_SIZE], &ctx->long_state[i + 4 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[4 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[5 * AES_BLOCK_SIZE], &ctx->long_state[i + 5 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[5 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[6 * AES_BLOCK_SIZE], &ctx->long_state[i + 6 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[6 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[7 * AES_BLOCK_SIZE], &ctx->long_state[i + 7 * AES_BLOCK_SIZE]);
aesb_pseudo_round_mut(&ctx->text[7 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
}
memcpy(ctx->state.init, ctx->text, INIT_SIZE_BYTE);
hash_permutation(&ctx->state.hs);
/*memcpy(hash, &state, 32);*/
extra_hashes[ctx->state.hs.b[0] & 3](&ctx->state, 200, output);
oaes_free((OAES_CTX **) &ctx->aes_ctx);
}
void cryptolight_hash(void* output, const void* input, int len) {
struct cryptonight_ctx *ctx = (struct cryptonight_ctx*)malloc(sizeof(struct cryptonight_ctx));
cryptolight_hash_ctx(output, input, len, ctx);
free(ctx);
}
static void cryptolight_hash_ctx_aes_ni(void* output, const void* input,
int len, struct cryptonight_ctx* ctx)
{
hash_process(&ctx->state.hs, (const uint8_t*)input, len);
ctx->aes_ctx = (oaes_ctx*) oaes_alloc();
size_t i, j;
memcpy(ctx->text, ctx->state.init, INIT_SIZE_BYTE);
oaes_key_import_data(ctx->aes_ctx, ctx->state.hs.b, AES_KEY_SIZE);
for (i = 0; likely(i < MEMORY); i += INIT_SIZE_BYTE) {
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 0], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 1], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 2], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 3], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 4], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 5], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 6], ctx->aes_ctx->key->exp_data);
fast_aesb_pseudo_round_mut(&ctx->text[AES_BLOCK_SIZE * 7], ctx->aes_ctx->key->exp_data);
memcpy(&ctx->long_state[i], ctx->text, INIT_SIZE_BYTE);
}
xor_blocks_dst(&ctx->state.k[0], &ctx->state.k[32], ctx->a);
xor_blocks_dst(&ctx->state.k[16], &ctx->state.k[48], ctx->b);
for (i = 0; likely(i < ITER / 4); ++i) {
/* Dependency chain: address -> read value ------+
* written value <-+ hard function (AES or MUL) <+
* next address <-+
*/
/* Iteration 1 */
j = e2i(ctx->a);
fast_aesb_single_round(&ctx->long_state[j], ctx->c, ctx->a);
xor_blocks_dst(ctx->c, ctx->b, &ctx->long_state[j]);
/* Iteration 2 */
mul_sum_xor_dst(ctx->c, ctx->a, &ctx->long_state[e2i(ctx->c)]);
/* Iteration 3 */
j = e2i(ctx->a);
fast_aesb_single_round(&ctx->long_state[j], ctx->b, ctx->a);
xor_blocks_dst(ctx->b, ctx->c, &ctx->long_state[j]);
/* Iteration 4 */
mul_sum_xor_dst(ctx->b, ctx->a, &ctx->long_state[e2i(ctx->b)]);
}
memcpy(ctx->text, ctx->state.init, INIT_SIZE_BYTE);
oaes_key_import_data(ctx->aes_ctx, &ctx->state.hs.b[32], AES_KEY_SIZE);
for (i = 0; likely(i < MEMORY); i += INIT_SIZE_BYTE) {
xor_blocks(&ctx->text[0 * AES_BLOCK_SIZE], &ctx->long_state[i + 0 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[0 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[1 * AES_BLOCK_SIZE], &ctx->long_state[i + 1 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[1 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[2 * AES_BLOCK_SIZE], &ctx->long_state[i + 2 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[2 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[3 * AES_BLOCK_SIZE], &ctx->long_state[i + 3 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[3 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[4 * AES_BLOCK_SIZE], &ctx->long_state[i + 4 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[4 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[5 * AES_BLOCK_SIZE], &ctx->long_state[i + 5 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[5 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[6 * AES_BLOCK_SIZE], &ctx->long_state[i + 6 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[6 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
xor_blocks(&ctx->text[7 * AES_BLOCK_SIZE], &ctx->long_state[i + 7 * AES_BLOCK_SIZE]);
fast_aesb_pseudo_round_mut(&ctx->text[7 * AES_BLOCK_SIZE], ctx->aes_ctx->key->exp_data);
}
memcpy(ctx->state.init, ctx->text, INIT_SIZE_BYTE);
hash_permutation(&ctx->state.hs);
/*memcpy(hash, &state, 32);*/
extra_hashes[ctx->state.hs.b[0] & 3](&ctx->state, 200, output);
oaes_free((OAES_CTX **) &ctx->aes_ctx);
}
int scanhash_cryptolight(int thr_id, struct work *work,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t *nonceptr = (uint32_t*) (((char*)pdata) + 39);
uint32_t n = *nonceptr - 1;
const uint32_t first_nonce = n + 1;
//const uint32_t Htarg = ptarget[7];
uint32_t _ALIGN(32) hash[HASH_SIZE / 4];
struct cryptonight_ctx *ctx = (struct cryptonight_ctx*)malloc(sizeof(struct cryptonight_ctx));
#ifndef NO_AES_NI
do {
*nonceptr = ++n;
cryptolight_hash_ctx_aes_ni(hash, pdata, 76, ctx);
if (unlikely(hash[7] < ptarget[7])) {
*hashes_done = n - first_nonce + 1;
free(ctx);
return true;
}
} while (likely((n <= max_nonce && !work_restart[thr_id].restart)));
#else
do {
*nonceptr = ++n;
cryptolight_hash_ctx(hash, pdata, 76, ctx);
if (unlikely(hash[7] < ptarget[7])) {
*hashes_done = n - first_nonce + 1;
free(ctx);
return true;
}
} while (likely((n <= max_nonce && !work_restart[thr_id].restart)));
#endif
free(ctx);
*hashes_done = n - first_nonce + 1;
return 0;
}
bool register_cryptolight_algo( algo_gate_t* gate )
{
register_json_rpc2( gate );
gate->optimizations = SSE2_OPT | AES_OPT;
gate->scanhash = (void*)&scanhash_cryptolight;
gate->hash = (void*)&cryptolight_hash;
gate->hash_suw = (void*)&cryptolight_hash;
gate->get_max64 = (void*)&get_max64_0x40LL;
return true;
};