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https://github.com/JayDDee/cpuminer-opt.git
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116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
#include "polytimos-gate.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include "algo/skein/sph_skein.h"
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#include "algo/echo/sph_echo.h"
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#include "algo/fugue//sph_fugue.h"
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#include "algo/luffa/luffa_for_sse2.h"
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#include "algo/shabal/sph_shabal.h"
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#include "algo/gost/sph_gost.h"
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#ifndef NO_AES_NI
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#include "algo/echo/aes_ni/hash_api.h"
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#endif
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typedef struct {
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sph_skein512_context skein;
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sph_shabal512_context shabal;
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#ifdef NO_AES_NI
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sph_echo512_context echo;
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#else
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hashState_echo echo;
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#endif
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hashState_luffa luffa;
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sph_fugue512_context fugue;
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sph_gost512_context gost;
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} poly_ctx_holder;
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poly_ctx_holder poly_ctx;
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void init_polytimos_ctx()
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{
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sph_skein512_init(&poly_ctx.skein);
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sph_shabal512_init(&poly_ctx.shabal);
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#ifdef NO_AES_NI
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sph_echo512_init(&poly_ctx.echo);
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#else
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init_echo( &poly_ctx.echo, 512 );
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#endif
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init_luffa( &poly_ctx.luffa, 512 );
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sph_fugue512_init(&poly_ctx.fugue);
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sph_gost512_init(&poly_ctx.gost);
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}
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void polytimos_hash(void *output, const void *input)
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{
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uint32_t hashA[16] __attribute__ ((aligned (64)));
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poly_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &poly_ctx, sizeof(poly_ctx) );
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sph_skein512(&ctx.skein, input, 80);
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sph_skein512_close(&ctx.skein, hashA);
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sph_shabal512(&ctx.shabal, hashA, 64);
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sph_shabal512_close(&ctx.shabal, hashA);
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#ifdef NO_AES_NI
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sph_echo512(&ctx.echo, hashA, 64);
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sph_echo512_close(&ctx.echo, hashA);
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#else
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update_final_echo ( &ctx.echo, (BitSequence *)hashA,
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(const BitSequence *)hashA, 512 );
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#endif
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update_and_final_luffa( &ctx.luffa, (BitSequence*)hashA,
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(const BitSequence*)hashA, 64 );
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sph_fugue512(&ctx.fugue, hashA, 64);
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sph_fugue512_close(&ctx.fugue, hashA);
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sph_gost512(&ctx.gost, hashA, 64);
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sph_gost512_close(&ctx.gost, hashA);
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memcpy(output, hashA, 32);
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}
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int scanhash_polytimos(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done)
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{
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uint32_t _ALIGN(128) hash[8];
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uint32_t _ALIGN(128) endiandata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t Htarg = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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volatile uint8_t *restart = &(work_restart[thr_id].restart);
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if (opt_benchmark)
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ptarget[7] = 0x0cff;
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// we need bigendian data...
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for (int i=0; i < 19; i++) {
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be32enc(&endiandata[i], pdata[i]);
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}
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do {
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be32enc(&endiandata[19], nonce);
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polytimos_hash(hash, endiandata);
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if (hash[7] <= Htarg && fulltest(hash, ptarget)) {
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work_set_target_ratio(work, hash);
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce;
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return 1;
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}
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nonce++;
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} while (nonce < max_nonce && !(*restart));
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce + 1;
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return 0;
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}
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