Files
cpuminer-opt-gpu/algo/x13/phi1612.c
Jay D Dee 31c4dedf59 v3.23.4
2023-10-06 22:18:09 -04:00

140 lines
3.6 KiB
C

#include "phi1612-gate.h"
#if !defined(PHI1612_8WAY) && !defined(PHI1612_4WAY)
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "algo/gost/sph_gost.h"
#include "algo/echo/sph_echo.h"
#include "algo/cubehash/cubehash_sse2.h"
#include "algo/skein/sph_skein.h"
#include "algo/jh/sph_jh.h"
#ifdef __AES__
#include "algo/echo/aes_ni/hash_api.h"
#include "algo/fugue/fugue-aesni.h"
#else
#include "algo/echo/sph_echo.h"
#include "algo/fugue/sph_fugue.h"
#endif
typedef struct {
sph_skein512_context skein;
sph_jh512_context jh;
cubehashParam cube;
sph_gost512_context gost;
#ifdef __AES__
hashState_echo echo;
hashState_fugue fugue;
#else
sph_echo512_context echo;
sph_fugue512_context fugue;
#endif
} phi_ctx_holder;
phi_ctx_holder phi_ctx;
static __thread sph_skein512_context phi_skein_mid
__attribute__ ((aligned (64)));
void init_phi1612_ctx()
{
sph_skein512_init( &phi_ctx.skein );
sph_jh512_init( &phi_ctx.jh );
cubehashInit( &phi_ctx.cube, 512, 16, 32 );
sph_gost512_init( &phi_ctx.gost );
#ifdef __AES__
init_echo( &phi_ctx.echo, 512 );
fugue512_Init( &phi_ctx.fugue, 512 );
#else
sph_echo512_init( &phi_ctx.echo );
sph_fugue512_init( &phi_ctx.fugue );
#endif
}
void phi_skein_midstate( const void* input )
{
memcpy( &phi_skein_mid, &phi_ctx.skein, sizeof phi_skein_mid );
sph_skein512( &phi_skein_mid, input, 64 );
}
void phi1612_hash(void *output, const void *input)
{
unsigned char hash[128] __attribute__ ((aligned (64)));
phi_ctx_holder ctx __attribute__ ((aligned (64)));
memcpy( &ctx, &phi_ctx, sizeof(phi_ctx) );
memcpy( &ctx.skein, &phi_skein_mid, sizeof phi_skein_mid );
sph_skein512( &ctx.skein, input + 64, 16 );
sph_skein512_close( &ctx.skein, hash );
sph_jh512( &ctx.jh, (const void*)hash, 64 );
sph_jh512_close( &ctx.jh, (void*)hash );
cubehashUpdateDigest( &ctx.cube, hash, hash, 64 );
#if defined(__AES__)
fugue512_Update( &ctx.fugue, hash, 512 );
fugue512_Final( &ctx.fugue, hash );
#else
sph_fugue512( &ctx.fugue, (const void*)hash, 64 );
sph_fugue512_close( &ctx.fugue, (void*)hash );
#endif
sph_gost512( &ctx.gost, hash, 64 );
sph_gost512_close( &ctx.gost, hash );
#ifdef __AES__
update_final_echo ( &ctx.echo, (BitSequence *)hash,
(const BitSequence *)hash, 512 );
#else
sph_echo512( &ctx.echo, hash, 64 );
sph_echo512_close( &ctx.echo, hash );
#endif
memcpy(output, hash, 32);
}
int scanhash_phi1612( 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;
const uint32_t first_nonce = pdata[19];
uint32_t _ALIGN(64) endiandata[20];
uint32_t nonce = first_nonce;
int thr_id = mythr->id;
volatile uint8_t *restart = &(work_restart[thr_id].restart);
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0cff;
for (int k = 0; k < 19; k++)
be32enc(&endiandata[k], pdata[k]);
phi_skein_midstate( endiandata );
const uint32_t Htarg = ptarget[7];
do {
uint32_t hash[8];
be32enc(&endiandata[19], nonce);
phi1612_hash(hash, endiandata);
if (hash[7] <= Htarg && fulltest(hash, ptarget))
{
pdata[19] = nonce;
submit_solution( work, hash, mythr );
}
nonce++;
} while (nonce < max_nonce && !(*restart));
pdata[19] = nonce;
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}
#endif