bpo-33164: update blake2 implementation (GH-6286)

This commit is contained in:
David Carlier 2019-05-23 04:32:44 +00:00 committed by Inada Naoki
parent 20e1e2582e
commit 51aa35e9e1
27 changed files with 18373 additions and 679 deletions

View file

@ -1,16 +1,14 @@
/*
BLAKE2 reference source code package - optimized C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include <stdint.h>
@ -22,18 +20,32 @@
#include "blake2-config.h"
#if defined(_MSC_VER)
#include <intrin.h>
#endif
#if defined(HAVE_SSE2)
#include <emmintrin.h>
// MSVC only defines _mm_set_epi64x for x86_64...
#if defined(_MSC_VER) && !defined(_M_X64)
static inline __m128i _mm_set_epi64x( const uint64_t u1, const uint64_t u0 )
{
return _mm_set_epi32( u1 >> 32, u1, u0 >> 32, u0 );
}
#endif
#endif
#if defined(HAVE_SSSE3)
#include <tmmintrin.h>
#endif
#if defined(HAVE_SSE41)
#if defined(HAVE_SSE4_1)
#include <smmintrin.h>
#endif
#if defined(HAVE_AVX)
#include <immintrin.h>
#endif
#if defined(HAVE_XOP)
#if defined(HAVE_XOP) && !defined(_MSC_VER)
#include <x86intrin.h>
#endif
@ -61,40 +73,35 @@ static const uint8_t blake2s_sigma[10][16] =
/* Some helper functions, not necessarily useful */
BLAKE2_LOCAL_INLINE(int) blake2s_set_lastnode( blake2s_state *S )
static inline int blake2s_set_lastnode( blake2s_state *S )
{
S->f[1] = -1;
S->f[1] = ~0U;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_clear_lastnode( blake2s_state *S )
static inline int blake2s_clear_lastnode( blake2s_state *S )
{
S->f[1] = 0;
S->f[1] = 0U;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_is_lastblock( const blake2s_state *S )
{
return S->f[0] != 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_set_lastblock( blake2s_state *S )
static inline int blake2s_set_lastblock( blake2s_state *S )
{
if( S->last_node ) blake2s_set_lastnode( S );
S->f[0] = -1;
S->f[0] = ~0U;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_clear_lastblock( blake2s_state *S )
static inline int blake2s_clear_lastblock( blake2s_state *S )
{
if( S->last_node ) blake2s_clear_lastnode( S );
S->f[0] = 0;
S->f[0] = 0U;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
static inline int blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
{
uint64_t t = ( ( uint64_t )S->t[1] << 32 ) | S->t[0];
t += inc;
@ -104,91 +111,114 @@ BLAKE2_LOCAL_INLINE(int) blake2s_increment_counter( blake2s_state *S, const uint
}
/* Parameter-related functions */
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_digest_length( blake2s_param *P, const uint8_t digest_length )
// Parameter-related functions
static inline int blake2s_param_set_digest_length( blake2s_param *P, const uint8_t digest_length )
{
P->digest_length = digest_length;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_fanout( blake2s_param *P, const uint8_t fanout )
static inline int blake2s_param_set_fanout( blake2s_param *P, const uint8_t fanout )
{
P->fanout = fanout;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_max_depth( blake2s_param *P, const uint8_t depth )
static inline int blake2s_param_set_max_depth( blake2s_param *P, const uint8_t depth )
{
P->depth = depth;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_leaf_length( blake2s_param *P, const uint32_t leaf_length )
static inline int blake2s_param_set_leaf_length( blake2s_param *P, const uint32_t leaf_length )
{
P->leaf_length = leaf_length;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_node_offset( blake2s_param *P, const uint64_t node_offset )
static inline int blake2s_param_set_node_offset( blake2s_param *P, const uint64_t node_offset )
{
store48( P->node_offset, node_offset );
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_node_depth( blake2s_param *P, const uint8_t node_depth )
static inline int blake2s_param_set_node_depth( blake2s_param *P, const uint8_t node_depth )
{
P->node_depth = node_depth;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_inner_length( blake2s_param *P, const uint8_t inner_length )
static inline int blake2s_param_set_inner_length( blake2s_param *P, const uint8_t inner_length )
{
P->inner_length = inner_length;
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_salt( blake2s_param *P, const uint8_t salt[BLAKE2S_SALTBYTES] )
static inline int blake2s_param_set_salt( blake2s_param *P, const uint8_t salt[BLAKE2S_SALTBYTES] )
{
memcpy( P->salt, salt, BLAKE2S_SALTBYTES );
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_param_set_personal( blake2s_param *P, const uint8_t personal[BLAKE2S_PERSONALBYTES] )
static inline int blake2s_param_set_personal( blake2s_param *P, const uint8_t personal[BLAKE2S_PERSONALBYTES] )
{
memcpy( P->personal, personal, BLAKE2S_PERSONALBYTES );
return 0;
}
BLAKE2_LOCAL_INLINE(int) blake2s_init0( blake2s_state *S )
static inline int blake2s_init0( blake2s_state *S )
{
int i;
memset( S, 0, sizeof( blake2s_state ) );
for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
for( int i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
return 0;
}
#define blake2s_init BLAKE2_IMPL_NAME(blake2s_init)
#define blake2s_init_param BLAKE2_IMPL_NAME(blake2s_init_param)
#define blake2s_init_key BLAKE2_IMPL_NAME(blake2s_init_key)
#define blake2s_update BLAKE2_IMPL_NAME(blake2s_update)
#define blake2s_final BLAKE2_IMPL_NAME(blake2s_final)
#define blake2s BLAKE2_IMPL_NAME(blake2s)
#if defined(__cplusplus)
extern "C" {
#endif
int blake2s_init( blake2s_state *S, size_t outlen );
int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen );
int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen );
int blake2s( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );
#if defined(__cplusplus)
}
#endif
/* init2 xors IV with input parameter block */
int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
/*blake2s_init0( S ); */
const uint8_t * v = ( const uint8_t * )( blake2s_IV );
const uint8_t * p = ( const uint8_t * )( P );
uint8_t * h = ( uint8_t * )( S->h );
int i;
uint8_t *p, *h, *v;
//blake2s_init0( S );
v = ( uint8_t * )( blake2s_IV );
h = ( uint8_t * )( S->h );
p = ( uint8_t * )( P );
/* IV XOR ParamBlock */
memset( S, 0, sizeof( blake2s_state ) );
for( i = 0; i < BLAKE2S_OUTBYTES; ++i ) h[i] = v[i] ^ p[i];
for( int i = 0; i < BLAKE2S_OUTBYTES; ++i ) h[i] = v[i] ^ p[i];
S->outlen = P->digest_length;
return 0;
}
/* Some sort of default parameter block initialization, for sequential blake2s */
int blake2s_init( blake2s_state *S, const uint8_t outlen )
int blake2s_init( blake2s_state *S, size_t outlen )
{
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
const blake2s_param P =
{
outlen,
@ -202,14 +232,16 @@ int blake2s_init( blake2s_state *S, const uint8_t outlen )
{0},
{0}
};
/* Move interval verification here? */
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
return blake2s_init_param( S, &P );
}
int blake2s_init_key( blake2s_state *S, const uint8_t outlen, const void *key, const uint8_t keylen )
int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
{
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
if ( ( !key ) || ( !keylen ) || keylen > BLAKE2S_KEYBYTES ) return -1;
const blake2s_param P =
{
outlen,
@ -224,11 +256,6 @@ int blake2s_init_key( blake2s_state *S, const uint8_t outlen, const void *key, c
{0}
};
/* Move interval verification here? */
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
if ( ( !key ) || ( !keylen ) || keylen > BLAKE2S_KEYBYTES ) return -1;
if( blake2s_init_param( S, &P ) < 0 )
return -1;
@ -243,11 +270,11 @@ int blake2s_init_key( blake2s_state *S, const uint8_t outlen, const void *key, c
}
BLAKE2_LOCAL_INLINE(int) blake2s_compress( blake2s_state *S, const uint8_t block[BLAKE2S_BLOCKBYTES] )
static inline int blake2s_compress( blake2s_state *S, const uint8_t block[BLAKE2S_BLOCKBYTES] )
{
__m128i row1, row2, row3, row4;
__m128i buf1, buf2, buf3, buf4;
#if defined(HAVE_SSE41)
#if defined(HAVE_SSE4_1)
__m128i t0, t1;
#if !defined(HAVE_XOP)
__m128i t2;
@ -258,7 +285,7 @@ BLAKE2_LOCAL_INLINE(int) blake2s_compress( blake2s_state *S, const uint8_t block
const __m128i r8 = _mm_set_epi8( 12, 15, 14, 13, 8, 11, 10, 9, 4, 7, 6, 5, 0, 3, 2, 1 );
const __m128i r16 = _mm_set_epi8( 13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2 );
#endif
#if defined(HAVE_SSE41)
#if defined(HAVE_SSE4_1)
const __m128i m0 = LOADU( block + 00 );
const __m128i m1 = LOADU( block + 16 );
const __m128i m2 = LOADU( block + 32 );
@ -300,8 +327,8 @@ BLAKE2_LOCAL_INLINE(int) blake2s_compress( blake2s_state *S, const uint8_t block
return 0;
}
/* inlen now in bytes */
int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen )
int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen )
{
while( inlen > 0 )
{
@ -310,11 +337,11 @@ int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen )
if( inlen > fill )
{
memcpy( S->buf + left, in, fill ); /* Fill buffer */
memcpy( S->buf + left, in, fill ); // Fill buffer
S->buflen += fill;
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf ); /* Compress */
memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); /* Shift buffer left */
blake2s_compress( S, S->buf ); // Compress
memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); // Shift buffer left
S->buflen -= BLAKE2S_BLOCKBYTES;
in += fill;
inlen -= fill;
@ -322,7 +349,7 @@ int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen )
else /* inlen <= fill */
{
memcpy( S->buf + left, in, inlen );
S->buflen += inlen; /* Be lazy, do not compress */
S->buflen += inlen; // Be lazy, do not compress
in += inlen;
inlen -= inlen;
}
@ -331,24 +358,19 @@ int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen )
return 0;
}
/* Is this correct? */
int blake2s_final( blake2s_state *S, uint8_t *out, uint8_t outlen )
int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
{
uint8_t buffer[BLAKE2S_OUTBYTES] = {0};
int i;
uint8_t buffer[BLAKE2S_OUTBYTES];
if( outlen > BLAKE2S_OUTBYTES )
return -1;
if( blake2s_is_lastblock( S ) )
return -1;
if(outlen != S->outlen ) return -1;
if( S->buflen > BLAKE2S_BLOCKBYTES )
{
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf );
S->buflen -= BLAKE2S_BLOCKBYTES;
memmove( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
}
blake2s_increment_counter( S, ( uint32_t )S->buflen );
@ -356,15 +378,14 @@ int blake2s_final( blake2s_state *S, uint8_t *out, uint8_t outlen )
memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
blake2s_compress( S, S->buf );
for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
for( int i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );
memcpy( out, buffer, outlen );
return 0;
}
/* inlen, at least, should be uint64_t. Others can be size_t. */
int blake2s( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen )
int blake2s( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
{
blake2s_state S[1];
@ -388,48 +409,14 @@ int blake2s( uint8_t *out, const void *in, const void *key, const uint8_t outlen
if( blake2s_init( S, outlen ) < 0 ) return -1;
}
blake2s_update( S, ( const uint8_t * )in, inlen );
blake2s_final( S, out, outlen );
return 0;
if( blake2s_update( S, ( uint8_t * )in, inlen ) < 0) return -1;
return blake2s_final( S, out, outlen );
}
#if defined(SUPERCOP)
int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
{
return blake2s( out, in, NULL, BLAKE2S_OUTBYTES, inlen, 0 );
return blake2s( out, in, NULL, BLAKE2S_OUTBYTES, (size_t)inlen, 0 );
}
#endif
#if defined(BLAKE2S_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( int argc, char **argv )
{
uint8_t key[BLAKE2S_KEYBYTES];
uint8_t buf[KAT_LENGTH];
size_t i;
for( i = 0; i < BLAKE2S_KEYBYTES; ++i )
key[i] = ( uint8_t )i;
for( i = 0; i < KAT_LENGTH; ++i )
buf[i] = ( uint8_t )i;
for( i = 0; i < KAT_LENGTH; ++i )
{
uint8_t hash[BLAKE2S_OUTBYTES];
if( blake2s( hash, buf, key, BLAKE2S_OUTBYTES, i, BLAKE2S_KEYBYTES ) < 0 ||
0 != memcmp( hash, blake2s_keyed_kat[i], BLAKE2S_OUTBYTES ) )
{
puts( "error" );
return -1;
}
}
puts( "ok" );
return 0;
}
#endif