mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
#include "nist5-gate.h"
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#if !defined(NIST5_8WAY) && !defined(NIST5_4WAY)
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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/blake/sph_blake.h"
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#include "algo/jh/sph_jh.h"
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#include "algo/keccak/sph_keccak.h"
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#include "algo/skein/sph_skein.h"
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#if defined(__AES__)
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#include "algo/groestl/aes_ni/hash-groestl.h"
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#else
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#include "algo/groestl/sph_groestl.h"
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#endif
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void nist5hash(void *output, const void *input)
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{
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uint32_t hash[16] __attribute__((aligned(64)));
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sph_blake512_context ctx_blake;
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#if defined(__AES__)
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hashState_groestl ctx_groestl;
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#else
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sph_groestl512_context ctx_groestl;
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#endif
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sph_skein512_context ctx_skein;
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sph_jh512_context ctx_jh;
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sph_keccak512_context ctx_keccak;
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sph_blake512_init( &ctx_blake );
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sph_blake512( &ctx_blake, input, 80 );
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sph_blake512_close( &ctx_blake, hash );
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#if defined(__AES__)
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init_groestl( &ctx_groestl, 64 );
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update_and_final_groestl( &ctx_groestl, (char*)hash,
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(const char*)hash, 512 );
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#else
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sph_groestl512_init( &ctx_groestl );
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sph_groestl512( &ctx_groestl, hash, 64 );
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sph_groestl512_close( &ctx_groestl, hash );
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#endif
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sph_jh512_init( &ctx_jh );
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sph_jh512( &ctx_jh, hash, 64 );
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sph_jh512_close( &ctx_jh, hash );
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sph_keccak512_init( &ctx_keccak );
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sph_keccak512( &ctx_keccak, hash, 64 );
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sph_keccak512_close( &ctx_keccak, hash );
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sph_skein512_init( &ctx_skein );
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sph_skein512( &ctx_skein, hash, 64 );
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sph_skein512_close( &ctx_skein, hash );
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memcpy( output, hash, 32 );
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}
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int scanhash_nist5( struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr)
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{
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uint32_t endiandata[20] __attribute__((aligned(64)));
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uint32_t hash64[8] __attribute__((aligned(32)));
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t n = pdata[19] - 1;
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const uint32_t first_nonce = pdata[19];
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int thr_id = mythr->id; // thr_id arg is deprecated
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const uint32_t Htarg = ptarget[7];
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uint64_t htmax[] = {
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0,
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0xF,
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0xFF,
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0xFFF,
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0xFFFF,
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0x10000000
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};
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uint32_t masks[] = {
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0xFFFFFFFF,
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0xFFFFFFF0,
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0xFFFFFF00,
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0xFFFFF000,
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0xFFFF0000,
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0
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};
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// we need bigendian data...
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swab32_array( endiandata, pdata, 20 );
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for (int m=0; m < 6; m++) {
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if (Htarg <= htmax[m]) {
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uint32_t mask = masks[m];
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do {
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pdata[19] = ++n;
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be32enc(&endiandata[19], n);
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nist5hash(hash64, endiandata);
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if ((!(hash64[7] & mask)) && fulltest(hash64, ptarget))
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submit_solution( work, hash64, mythr );
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} while (n < max_nonce && !work_restart[thr_id].restart);
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break;
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}
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}
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*hashes_done = n - first_nonce + 1;
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pdata[19] = n;
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return 0;
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}
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#endif
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