Files
cpuminer-opt-gpu/algo/verthash/tiny_sha3/sha3-4way.c
Jay D Dee 17ccbc328f v3.19.3
2022-01-07 12:07:38 -05:00

293 lines
7.9 KiB
C

#if defined(__AVX2__)
// sha3-4way.c
// 19-Nov-11 Markku-Juhani O. Saarinen <mjos@iki.fi>
// vectorization by JayDDee 2021-03-27
//
// Revised 07-Aug-15 to match with official release of FIPS PUB 202 "SHA3"
// Revised 03-Sep-15 for portability + OpenSSL - style API
#include "sha3-4way.h"
// constants
static const uint64_t keccakf_rndc[24] = {
0x0000000000000001, 0x0000000000008082, 0x800000000000808a,
0x8000000080008000, 0x000000000000808b, 0x0000000080000001,
0x8000000080008081, 0x8000000000008009, 0x000000000000008a,
0x0000000000000088, 0x0000000080008009, 0x000000008000000a,
0x000000008000808b, 0x800000000000008b, 0x8000000000008089,
0x8000000000008003, 0x8000000000008002, 0x8000000000000080,
0x000000000000800a, 0x800000008000000a, 0x8000000080008081,
0x8000000000008080, 0x0000000080000001, 0x8000000080008008
};
void sha3_4way_keccakf( __m256i st[25] )
{
int i, j, r;
__m256i t, bc[5];
for ( r = 0; r < KECCAKF_ROUNDS; r++ )
{
// Theta
bc[0] = mm256_xor3( st[0], st[5], mm256_xor3( st[10], st[15], st[20] ) );
bc[1] = mm256_xor3( st[1], st[6], mm256_xor3( st[11], st[16], st[21] ) );
bc[2] = mm256_xor3( st[2], st[7], mm256_xor3( st[12], st[17], st[22] ) );
bc[3] = mm256_xor3( st[3], st[8], mm256_xor3( st[13], st[18], st[23] ) );
bc[4] = mm256_xor3( st[4], st[9], mm256_xor3( st[14], st[19], st[24] ) );
for ( i = 0; i < 5; i++ )
{
t = _mm256_xor_si256( bc[ (i+4) % 5 ],
mm256_rol_64( bc[ (i+1) % 5 ], 1 ) );
st[ i ] = _mm256_xor_si256( st[ i ], t );
st[ i+5 ] = _mm256_xor_si256( st[ i+ 5 ], t );
st[ i+10 ] = _mm256_xor_si256( st[ i+10 ], t );
st[ i+15 ] = _mm256_xor_si256( st[ i+15 ], t );
st[ i+20 ] = _mm256_xor_si256( st[ i+20 ], t );
}
// Rho Pi
#define RHO_PI( i, c ) \
bc[0] = st[ i ]; \
st[ i ] = mm256_rol_64( t, c ); \
t = bc[0]
t = st[1];
RHO_PI( 10, 1 );
RHO_PI( 7, 3 );
RHO_PI( 11, 6 );
RHO_PI( 17, 10 );
RHO_PI( 18, 15 );
RHO_PI( 3, 21 );
RHO_PI( 5, 28 );
RHO_PI( 16, 36 );
RHO_PI( 8, 45 );
RHO_PI( 21, 55 );
RHO_PI( 24, 2 );
RHO_PI( 4, 14 );
RHO_PI( 15, 27 );
RHO_PI( 23, 41 );
RHO_PI( 19, 56 );
RHO_PI( 13, 8 );
RHO_PI( 12, 25 );
RHO_PI( 2, 43 );
RHO_PI( 20, 62 );
RHO_PI( 14, 18 );
RHO_PI( 22, 39 );
RHO_PI( 9, 61 );
RHO_PI( 6, 20 );
RHO_PI( 1, 44 );
#undef RHO_PI
// Chi
for ( j = 0; j < 25; j += 5 )
{
bc[0] = st[j];
bc[1] = st[j+1];
st[ j ] = mm256_xorandnot( st[ j ], st[j+1], st[j+2] );
st[ j+1 ] = mm256_xorandnot( st[ j+1 ], st[j+2], st[j+3] );
st[ j+2 ] = mm256_xorandnot( st[ j+2 ], st[j+3], st[j+4] );
st[ j+3 ] = mm256_xorandnot( st[ j+3 ], st[j+4], bc[0] );
st[ j+4 ] = mm256_xorandnot( st[ j+4 ], bc[0], bc[1] );
}
// Iota
st[0] = _mm256_xor_si256( st[0],
_mm256_set1_epi64x( keccakf_rndc[ r ] ) );
}
}
int sha3_4way_init( sha3_4way_ctx_t *c, int mdlen )
{
for ( int i = 0; i < 25; i++ ) c->st[ i ] = m256_zero;
c->mdlen = mdlen;
c->rsiz = 200 - 2 * mdlen;
c->pt = 0;
return 1;
}
int sha3_4way_update( sha3_4way_ctx_t *c, const void *data, size_t len )
{
size_t i;
int j = c->pt;
const int rsiz = c->rsiz / 8;
const int l = len / 8;
for ( i = 0; i < l; i++ )
{
c->st[ j ] = _mm256_xor_si256( c->st[ j ],
( (const __m256i*)data )[i] );
j++;
if ( j >= rsiz )
{
sha3_4way_keccakf( c->st );
j = 0;
}
}
c->pt = j;
return 1;
}
int sha3_4way_final( void *md, sha3_4way_ctx_t *c )
{
c->st[ c->pt ] = _mm256_xor_si256( c->st[ c->pt ],
m256_const1_64( 6 ) );
c->st[ c->rsiz / 8 - 1 ] =
_mm256_xor_si256( c->st[ c->rsiz / 8 - 1 ],
m256_const1_64( 0x8000000000000000 ) );
sha3_4way_keccakf( c->st );
memcpy( md, c->st, c->mdlen * 4 );
return 1;
}
void *sha3_4way( const void *in, size_t inlen, void *md, int mdlen )
{
sha3_4way_ctx_t ctx;
sha3_4way_init( &ctx, mdlen);
sha3_4way_update( &ctx, in, inlen );
sha3_4way_final( md, &ctx );
return md;
}
#if defined(__AVX512F__) && defined(__AVX512VL__) && defined(__AVX512DQ__) && defined(__AVX512BW__)
void sha3_8way_keccakf( __m512i st[25] )
{
int i, j, r;
__m512i t, bc[5];
// actual iteration
for ( r = 0; r < KECCAKF_ROUNDS; r++ )
{
// Theta
for ( i = 0; i < 5; i++ )
bc[i] = _mm512_xor_si512( st[i],
mm512_xor4( st[ i+5 ], st[ i+10 ], st[ i+15 ], st[i+20 ] ) );
for ( i = 0; i < 5; i++ )
{
t = _mm512_xor_si512( bc[(i + 4) % 5],
_mm512_rol_epi64( bc[(i + 1) % 5], 1 ) );
for ( j = 0; j < 25; j += 5 )
st[j + i] = _mm512_xor_si512( st[j + i], t );
}
// Rho Pi
#define RHO_PI( i, c ) \
bc[0] = st[ i ]; \
st[ i ] = _mm512_rol_epi64( t, c ); \
t = bc[0]
t = st[1];
RHO_PI( 10, 1 );
RHO_PI( 7, 3 );
RHO_PI( 11, 6 );
RHO_PI( 17, 10 );
RHO_PI( 18, 15 );
RHO_PI( 3, 21 );
RHO_PI( 5, 28 );
RHO_PI( 16, 36 );
RHO_PI( 8, 45 );
RHO_PI( 21, 55 );
RHO_PI( 24, 2 );
RHO_PI( 4, 14 );
RHO_PI( 15, 27 );
RHO_PI( 23, 41 );
RHO_PI( 19, 56 );
RHO_PI( 13, 8 );
RHO_PI( 12, 25 );
RHO_PI( 2, 43 );
RHO_PI( 20, 62 );
RHO_PI( 14, 18 );
RHO_PI( 22, 39 );
RHO_PI( 9, 61 );
RHO_PI( 6, 20 );
RHO_PI( 1, 44 );
#undef RHO_PI
// Chi
for ( j = 0; j < 25; j += 5 )
{
for ( i = 0; i < 5; i++ )
bc[i] = st[j + i];
for ( i = 0; i < 5; i++ )
st[ j+i ] = _mm512_xor_si512( st[ j+i ], _mm512_andnot_si512(
bc[ (i+1) % 5 ], bc[ (i+2) % 5 ] ) );
}
// Iota
st[0] = _mm512_xor_si512( st[0], _mm512_set1_epi64( keccakf_rndc[r] ) );
}
}
// Initialize the context for SHA3
int sha3_8way_init( sha3_8way_ctx_t *c, int mdlen )
{
for ( int i = 0; i < 25; i++ ) c->st[ i ] = m512_zero;
c->mdlen = mdlen;
c->rsiz = 200 - 2 * mdlen;
c->pt = 0;
return 1;
}
// update state with more data
int sha3_8way_update( sha3_8way_ctx_t *c, const void *data, size_t len )
{
size_t i;
int j = c->pt;
const int rsiz = c->rsiz / 8;
const int l = len / 8;
for ( i = 0; i < l; i++ )
{
c->st[ j ] = _mm512_xor_si512( c->st[ j ],
( (const __m512i*)data )[i] );
j++;
if ( j >= rsiz )
{
sha3_8way_keccakf( c->st );
j = 0;
}
}
c->pt = j;
return 1;
}
// finalize and output a hash
int sha3_8way_final( void *md, sha3_8way_ctx_t *c )
{
c->st[ c->pt ] =
_mm512_xor_si512( c->st[ c->pt ],
m512_const1_64( 6 ) );
c->st[ c->rsiz / 8 - 1 ] =
_mm512_xor_si512( c->st[ c->rsiz / 8 - 1 ],
m512_const1_64( 0x8000000000000000 ) );
sha3_8way_keccakf( c->st );
memcpy( md, c->st, c->mdlen * 8 );
return 1;
}
// compute a SHA-3 hash (md) of given byte length from "in"
void *sha3_8way( const void *in, size_t inlen, void *md, int mdlen )
{
sha3_8way_ctx_t sha3;
sha3_8way_init( &sha3, mdlen);
sha3_8way_update( &sha3, in, inlen );
sha3_8way_final( md, &sha3 );
return md;
}
#endif // AVX512
#endif // AVX2