This commit is contained in:
Jay D Dee
2018-01-23 21:02:16 -05:00
parent a90d75b8f5
commit ad2275f74a
121 changed files with 4662 additions and 467 deletions

View File

@@ -10,6 +10,10 @@
#endif
#include "cubehash_sse2.h"
#include "algo/sha/sha3-defs.h"
#include <stdbool.h>
#include <unistd.h>
#include <memory.h>
#include "avxdefs.h"
static void transform( cubehashParam *sp )
{
@@ -125,6 +129,18 @@ static void transform( cubehashParam *sp )
#endif
} // transform
// Ccubehash context initializing is very expensive.
// Cache the intial value for faster reinitializing.
cubehashParam cube_ctx_cache __attribute__ ((aligned (64)));
int cubehashReinit( cubehashParam *sp )
{
memcpy( sp, &cube_ctx_cache, sizeof(cubehashParam) );
return SUCCESS;
}
// Initialize the cache then copy to sp.
int cubehashInit(cubehashParam *sp, int hashbitlen, int rounds, int blockbytes)
{
int i;
@@ -135,24 +151,26 @@ int cubehashInit(cubehashParam *sp, int hashbitlen, int rounds, int blockbytes)
/* Sanity checks */
if ( rounds <= 0 || rounds > 32 )
rounds = CUBEHASH_ROUNDS;
rounds = CUBEHASH_ROUNDS;
if ( blockbytes <= 0 || blockbytes >= 256)
blockbytes = CUBEHASH_BLOCKBYTES;
blockbytes = CUBEHASH_BLOCKBYTES;
// all sizes of __m128i
sp->hashlen = hashbitlen/128;
sp->blocksize = blockbytes/16;
sp->rounds = rounds;
sp->pos = 0;
cube_ctx_cache.hashlen = hashbitlen/128;
cube_ctx_cache.blocksize = blockbytes/16;
cube_ctx_cache.rounds = rounds;
cube_ctx_cache.pos = 0;
for ( i = 0; i < 8; ++i )
sp->x[i] = _mm_set_epi32(0, 0, 0, 0);
cube_ctx_cache.x[i] = _mm_setzero_si128();;
sp->x[0] = _mm_set_epi32( 0, rounds, blockbytes, hashbitlen / 8 );
cube_ctx_cache.x[0] = _mm_set_epi32( 0, rounds, blockbytes,
hashbitlen / 8 );
for ( i = 0; i < 10; ++i )
transform(sp);
// sp->pos = 0;
transform( &cube_ctx_cache );
memcpy( sp, &cube_ctx_cache, sizeof(cubehashParam) );
return SUCCESS;
}

View File

@@ -29,6 +29,8 @@ extern "C" {
#endif
int cubehashInit(cubehashParam* sp, int hashbitlen, int rounds, int blockbytes);
// reinitialize context with same parameters, much faster.
int cubehashReinit( cubehashParam* sp );
int cubehashUpdate(cubehashParam* sp, const byte *data, size_t size);