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x13.c
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x13.c
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#include "miner.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "sha3/sph_blake.h"
#include "sha3/sph_bmw.h"
#include "sha3/sph_groestl.h"
#include "sha3/sph_jh.h"
#include "sha3/sph_keccak.h"
#include "sha3/sph_skein.h"
#include "sha3/sph_luffa.h"
#include "sha3/sph_cubehash.h"
#include "sha3/sph_shavite.h"
#include "sha3/sph_simd.h"
#include "sha3/sph_echo.h"
#include "sha3/sph_hamsi.h"
#include "sha3/sph_fugue.h"
static void x13hash(void *output, const void *input)
{
unsigned char hash[128]; // uint32_t hashA[16], hashB[16];
#define hashB hash+64
memset(hash, 0, 128);
sph_blake512_context ctx_blake;
sph_bmw512_context ctx_bmw;
sph_groestl512_context ctx_groestl;
sph_jh512_context ctx_jh;
sph_keccak512_context ctx_keccak;
sph_skein512_context ctx_skein;
sph_luffa512_context ctx_luffa;
sph_cubehash512_context ctx_cubehash;
sph_shavite512_context ctx_shavite;
sph_simd512_context ctx_simd;
sph_echo512_context ctx_echo;
sph_hamsi512_context ctx_hamsi;
sph_fugue512_context ctx_fugue;
sph_blake512_init(&ctx_blake);
sph_blake512(&ctx_blake, input, 80);
sph_blake512_close(&ctx_blake, hash);
sph_bmw512_init(&ctx_bmw);
sph_bmw512(&ctx_bmw, hash, 64);
sph_bmw512_close(&ctx_bmw, hashB);
sph_groestl512_init(&ctx_groestl);
sph_groestl512(&ctx_groestl, hashB, 64);
sph_groestl512_close(&ctx_groestl, hash);
sph_skein512_init(&ctx_skein);
sph_skein512(&ctx_skein, hash, 64);
sph_skein512_close(&ctx_skein, hashB);
sph_jh512_init(&ctx_jh);
sph_jh512(&ctx_jh, hashB, 64);
sph_jh512_close(&ctx_jh, hash);
sph_keccak512_init(&ctx_keccak);
sph_keccak512(&ctx_keccak, hash, 64);
sph_keccak512_close(&ctx_keccak, hashB);
sph_luffa512_init(&ctx_luffa);
sph_luffa512(&ctx_luffa, hashB, 64);
sph_luffa512_close(&ctx_luffa, hash);
sph_cubehash512_init(&ctx_cubehash);
sph_cubehash512(&ctx_cubehash, hash, 64);
sph_cubehash512_close(&ctx_cubehash, hashB);
sph_shavite512_init(&ctx_shavite);
sph_shavite512(&ctx_shavite, hashB, 64);
sph_shavite512_close(&ctx_shavite, hash);
sph_simd512_init(&ctx_simd);
sph_simd512(&ctx_simd, hash, 64);
sph_simd512_close(&ctx_simd, hashB);
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, hashB, 64);
sph_echo512_close(&ctx_echo, hash);
sph_hamsi512_init(&ctx_hamsi);
sph_hamsi512(&ctx_hamsi, hash, 64);
sph_hamsi512_close(&ctx_hamsi, hashB);
sph_fugue512_init(&ctx_fugue);
sph_fugue512(&ctx_fugue, hashB, 64);
sph_fugue512_close(&ctx_fugue, hash);
memcpy(output, hash, 32);
}
int scanhash_x13(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
uint32_t hash64[8] __attribute__((aligned(32)));
uint32_t endiandata[32];
uint64_t htmax[] = {
0,
0xF,
0xFF,
0xFFF,
0xFFFF,
0x10000000
};
uint32_t masks[] = {
0xFFFFFFFF,
0xFFFFFFF0,
0xFFFFFF00,
0xFFFFF000,
0xFFFF0000,
0
};
// we need bigendian data...
for (int kk=0; kk < 32; kk++) {
be32enc(&endiandata[kk], ((uint32_t*)pdata)[kk]);
};
#ifdef DEBUG_ALGO
printf("[%d] Htarg=%X\n", thr_id, Htarg);
#endif
for (int m=0; m < sizeof(masks); m++) {
if (Htarg <= htmax[m]) {
uint32_t mask = masks[m];
do {
pdata[19] = ++n;
be32enc(&endiandata[19], n);
x13hash(hash64, &endiandata);
#ifndef DEBUG_ALGO
if ((!(hash64[7] & mask)) && fulltest(hash64, ptarget)) {
*hashes_done = n - first_nonce + 1;
return true;
}
#else
if (!(n % 0x1000) && !thr_id) printf(".");
if (!(hash64[7] & mask)) {
printf("[%d]",thr_id);
if (fulltest(hash64, ptarget)) {
*hashes_done = n - first_nonce + 1;
return true;
}
}
#endif
} while (n < max_nonce && !work_restart[thr_id].restart);
// see blake.c if else to understand the loop on htmax => mask
break;
}
}
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}