Files
cpuminer-opt-gpu/algo/lyra2/allium.c
Jay D Dee ce259b915a v3.9.2
2019-06-03 21:36:33 -04:00

114 lines
3.1 KiB
C

#include "lyra2-gate.h"
#include <memory.h>
#include "algo/blake/sph_blake.h"
#include "algo/keccak/sph_keccak.h"
#include "algo/skein/sph_skein.h"
#include "algo/cubehash/cubehash_sse2.h"
#if defined(__AES__)
#include "algo/groestl/aes_ni/hash-groestl256.h"
#else
#include "algo/groestl/sph_groestl.h"
#endif
#include "lyra2.h"
typedef struct {
sph_blake256_context blake;
sph_keccak256_context keccak;
cubehashParam cube;
sph_skein256_context skein;
#if defined (__AES__)
hashState_groestl256 groestl;
#else
sph_groestl256_context groestl;
#endif
} allium_ctx_holder;
static __thread allium_ctx_holder allium_ctx;
bool init_allium_ctx()
{
sph_keccak256_init( &allium_ctx.keccak );
cubehashInit( &allium_ctx.cube, 256, 16, 32 );
sph_skein256_init( &allium_ctx.skein );
#if defined (__AES__)
init_groestl256( &allium_ctx.groestl, 32 );
#else
sph_groestl256_init( &allium_ctx.groestl );
#endif
return true;
}
void allium_hash(void *state, const void *input)
{
uint32_t hash[8] __attribute__ ((aligned (64)));
allium_ctx_holder ctx __attribute__ ((aligned (32)));
memcpy( &ctx, &allium_ctx, sizeof(allium_ctx) );
sph_blake256( &ctx.blake, input + 64, 16 );
sph_blake256_close( &ctx.blake, hash );
sph_keccak256( &ctx.keccak, hash, 32 );
sph_keccak256_close( &ctx.keccak, hash );
LYRA2RE( hash, 32, hash, 32, hash, 32, 1, 8, 8 );
cubehashUpdateDigest( &ctx.cube, (byte*)hash, (const byte*)hash, 32 );
LYRA2RE( hash, 32, hash, 32, hash, 32, 1, 8, 8 );
sph_skein256( &ctx.skein, hash, 32 );
sph_skein256_close( &ctx.skein, hash );
#if defined (__AES__)
update_and_final_groestl256( &ctx.groestl, hash, hash, 256 );
#else
sph_groestl256( &ctx.groestl, hash, 32 );
sph_groestl256_close( &ctx.groestl, hash );
#endif
memcpy(state, hash, 32);
}
int scanhash_allium( int thr_id, struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t _ALIGN(128) hash[8];
uint32_t _ALIGN(128) endiandata[20];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t Htarg = ptarget[7];
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 )
ptarget[7] = 0x3ffff;
for ( int i = 0; i < 19; i++ )
be32enc( &endiandata[i], pdata[i] );
sph_blake256_init( &allium_ctx.blake );
sph_blake256( &allium_ctx.blake, endiandata, 64 );
do {
be32enc( &endiandata[19], nonce );
allium_hash( hash, endiandata );
if ( hash[7] <= Htarg && fulltest( hash, ptarget ) )
{
work_set_target_ratio( work, hash );
pdata[19] = nonce;
*hashes_done = pdata[19] - first_nonce;
return 1;
}
nonce++;
} while (nonce < max_nonce && !work_restart[thr_id].restart);
pdata[19] = nonce;
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}