This commit is contained in:
Jay D Dee
2020-01-18 15:14:27 -05:00
parent 70089d1224
commit 1a7a573675
105 changed files with 3579 additions and 2833 deletions

View File

@@ -313,4 +313,92 @@ int echo_4way_update_close( echo_4way_context *state, void *hashval,
return 0;
}
int echo_4way_full( echo_4way_context *ctx, void *hashval, int nHashSize,
const void *data, int datalen )
{
int i, j;
int databitlen = datalen * 8;
ctx->k = m512_zero;
ctx->processed_bits = 0;
ctx->uBufferBytes = 0;
switch( nHashSize )
{
case 256:
ctx->uHashSize = 256;
ctx->uBlockLength = 192;
ctx->uRounds = 8;
ctx->hashsize = _mm512_set4_epi32( 0, 0, 0, 0x100 );
ctx->const1536 = _mm512_set4_epi32( 0, 0, 0, 0x600 );
break;
case 512:
ctx->uHashSize = 512;
ctx->uBlockLength = 128;
ctx->uRounds = 10;
ctx->hashsize = _mm512_set4_epi32( 0, 0, 0, 0x200 );
ctx->const1536 = _mm512_set4_epi32( 0, 0, 0, 0x400);
break;
default:
return 1;
}
for( i = 0; i < 4; i++ )
for( j = 0; j < nHashSize / 256; j++ )
ctx->state[ i ][ j ] = ctx->hashsize;
for( i = 0; i < 4; i++ )
for( j = nHashSize / 256; j < 4; j++ )
ctx->state[ i ][ j ] = m512_zero;
// bytelen is either 32 (maybe), 64 or 80 or 128!
// all are less than full block.
int vlen = datalen / 32;
const int vblen = ctx->uBlockLength / 16; // 16 bytes per lane
__m512i remainingbits;
if ( databitlen == 1024 )
{
echo_4way_compress( ctx, data, 1 );
ctx->processed_bits = 1024;
remainingbits = m512_const2_64( 0, -1024 );
vlen = 0;
}
else
{
vlen = databitlen / 128; // * 4 lanes / 128 bits per lane
memcpy_512( ctx->buffer, data, vlen );
ctx->processed_bits += (unsigned int)( databitlen );
remainingbits = _mm512_set4_epi32( 0, 0, 0, databitlen );
}
ctx->buffer[ vlen ] = _mm512_set4_epi32( 0, 0, 0, 0x80 );
memset_zero_512( ctx->buffer + vlen + 1, vblen - vlen - 2 );
ctx->buffer[ vblen-2 ] =
_mm512_set4_epi32( (uint32_t)ctx->uHashSize << 16, 0, 0, 0 );
ctx->buffer[ vblen-1 ] =
_mm512_set4_epi64( 0, ctx->processed_bits,
0, ctx->processed_bits );
ctx->k = _mm512_add_epi64( ctx->k, remainingbits );
ctx->k = _mm512_sub_epi64( ctx->k, ctx->const1536 );
echo_4way_compress( ctx, ctx->buffer, 1 );
_mm512_store_si512( (__m512i*)hashval + 0, ctx->state[ 0 ][ 0] );
_mm512_store_si512( (__m512i*)hashval + 1, ctx->state[ 1 ][ 0] );
if ( ctx->uHashSize == 512 )
{
_mm512_store_si512( (__m512i*)hashval + 2, ctx->state[ 2 ][ 0 ] );
_mm512_store_si512( (__m512i*)hashval + 3, ctx->state[ 3 ][ 0 ] );
}
return 0;
}
#endif