This commit is contained in:
Jay D Dee
2017-11-20 21:19:15 -05:00
parent ab39e88318
commit 6d1361c87f
46 changed files with 6314 additions and 141 deletions

View File

@@ -5,42 +5,28 @@
#include <openssl/sha.h>
#include "algo/sha/sph_sha2.h"
typedef struct {
sph_skein512_context skein;
#ifndef USE_SPH_SHA
SHA256_CTX sha256;
#else
sph_sha256_context sha256;
#endif
} skein_ctx_holder;
skein_ctx_holder skein_ctx;
void init_skein_ctx()
{
sph_skein512_init( &skein_ctx.skein );
#ifndef USE_SPH_SHA
SHA256_Init( &skein_ctx.sha256 );
#else
sph_sha256_init( &skein_ctx.sha256 );
#endif
}
void skeinhash(void *state, const void *input)
{
skein_ctx_holder ctx __attribute__ ((aligned (64)));
memcpy( &ctx, &skein_ctx, sizeof(skein_ctx) );
uint32_t hash[16] __attribute__ ((aligned (64)));
sph_skein512( &ctx.skein, input, 80 );
sph_skein512_close( &ctx.skein, hash );
sph_skein512_context ctx_skein;
#ifndef USE_SPH_SHA
SHA256_CTX ctx_sha256;
#else
sph_sha256_context ctx_sha256;
#endif
sph_skein512_init( &ctx_skein );
sph_skein512( &ctx_skein, input, 80 );
sph_skein512_close( &ctx_skein, hash );
#ifndef USE_SPH_SHA
SHA256_Update( &ctx.sha256, hash, 64 );
SHA256_Final( (unsigned char*) hash, &ctx.sha256 );
SHA256_Init( &ctx_sha256 );
SHA256_Update( &ctx_sha256, (unsigned char*)hash, 64 );
SHA256_Final( (unsigned char*) hash, &ctx_sha256 );
#else
sph_sha256( &ctx.sha256, hash, 64 );
sph_sha256_close( &ctx.sha256, hash );
sph_sha256_init( &ctx_sha256 );
sph_sha256( &ctx_sha256, hash, 64 );
sph_sha256_close( &ctx_sha256, hash );
#endif
memcpy(state, hash, 32);
@@ -77,15 +63,3 @@ int scanhash_skein(int thr_id, struct work *work,
return 0;
}
int64_t skein_get_max64() { return 0x7ffffLL; }
bool register_skein_algo( algo_gate_t* gate )
{
init_skein_ctx();
gate->optimizations = SSE2_OPT | SHA_OPT;
gate->scanhash = (void*)&scanhash_skein;
gate->hash = (void*)&skeinhash;
gate->get_max64 = (void*)&skein_get_max64;
return true;
};