Files
cpuminer-opt-gpu/algo/groestl/groestl.c
Jay D Dee 1b76cee239 v3.11.9
2020-02-04 01:31:59 -05:00

95 lines
2.4 KiB
C

#include "groestl-gate.h"
#if !defined(GROESTL_8WAY) && !defined(GROESTLX16R_4WAY)
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#ifdef __AES__
#include "algo/groestl/aes_ni/hash-groestl.h"
#else
#include "sph_groestl.h"
#endif
typedef struct
{
#ifdef __AES__
hashState_groestl groestl1, groestl2;
#else
sph_groestl512_context groestl1, groestl2;
#endif
} groestl_ctx_holder;
static groestl_ctx_holder groestl_ctx;
void init_groestl_ctx()
{
#ifdef __AES__
init_groestl( &groestl_ctx.groestl1, 64 );
init_groestl( &groestl_ctx.groestl2, 64 );
#else
sph_groestl512_init( &groestl_ctx.groestl1 );
sph_groestl512_init( &groestl_ctx.groestl2 );
#endif
}
void groestlhash( void *output, const void *input )
{
uint32_t hash[16] __attribute__ ((aligned (64)));
groestl_ctx_holder ctx __attribute__ ((aligned (64)));
memcpy( &ctx, &groestl_ctx, sizeof(groestl_ctx) );
#ifdef __AES__
update_and_final_groestl( &ctx.groestl1, (char*)hash,
(const char*)input, 640 );
update_and_final_groestl( &ctx.groestl2, (char*)hash,
(const char*)hash, 512 );
#else
sph_groestl512(&ctx.groestl1, input, 80);
sph_groestl512_close(&ctx.groestl1, hash);
sph_groestl512(&ctx.groestl2, hash, 64);
sph_groestl512_close(&ctx.groestl2, hash);
#endif
memcpy(output, hash, 32);
}
int scanhash_groestl( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t endiandata[20] __attribute__ ((aligned (64)));
const uint32_t first_nonce = pdata[19];
uint32_t nonce = first_nonce;
int thr_id = mythr->id; // thr_id arg is deprecated
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0000ff;
swab32_array( endiandata, pdata, 20 );
do {
const uint32_t Htarg = ptarget[7];
uint32_t hash[8] __attribute__ ((aligned (64)));
be32enc(&endiandata[19], nonce);
groestlhash(hash, endiandata);
if (hash[7] <= Htarg )
if ( fulltest(hash, ptarget) && !opt_benchmark )
{
pdata[19] = nonce;
submit_solution( work, hash, mythr );
}
nonce++;
} while (nonce < max_nonce && !work_restart[thr_id].restart);
pdata[19] = nonce;
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}
#endif