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-rw-r--r--Modules/_blake2/impl/blake2s.c415
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diff --git a/Modules/_blake2/impl/blake2s.c b/Modules/_blake2/impl/blake2s.c
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index e7f63fd..0000000
--- a/Modules/_blake2/impl/blake2s.c
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@@ -1,415 +0,0 @@
-/*
- BLAKE2 reference source code package - optimized C implementations
-
- 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>
-#include <string.h>
-#include <stdio.h>
-
-#include "blake2.h"
-#include "blake2-impl.h"
-
-#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) && !defined(__clang__)
-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_SSE4_1)
-#include <smmintrin.h>
-#endif
-#if defined(HAVE_AVX)
-#include <immintrin.h>
-#endif
-#if defined(HAVE_XOP) && !defined(_MSC_VER)
-#include <x86intrin.h>
-#endif
-
-#include "blake2s-round.h"
-
-static const uint32_t blake2s_IV[8] =
-{
- 0x6A09E667UL, 0xBB67AE85UL, 0x3C6EF372UL, 0xA54FF53AUL,
- 0x510E527FUL, 0x9B05688CUL, 0x1F83D9ABUL, 0x5BE0CD19UL
-};
-
-static const uint8_t blake2s_sigma[10][16] =
-{
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
- { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
- { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
- { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
- { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
- { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
- { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
- { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
- { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
-};
-
-
-/* Some helper functions, not necessarily useful */
-static inline int blake2s_set_lastnode( blake2s_state *S )
-{
- S->f[1] = ~0U;
- return 0;
-}
-
-static inline int blake2s_clear_lastnode( blake2s_state *S )
-{
- S->f[1] = 0U;
- return 0;
-}
-
-static inline int blake2s_set_lastblock( blake2s_state *S )
-{
- if( S->last_node ) blake2s_set_lastnode( S );
-
- S->f[0] = ~0U;
- return 0;
-}
-
-static inline int blake2s_clear_lastblock( blake2s_state *S )
-{
- if( S->last_node ) blake2s_clear_lastnode( S );
-
- S->f[0] = 0U;
- return 0;
-}
-
-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;
- S->t[0] = ( uint32_t )( t >> 0 );
- S->t[1] = ( uint32_t )( t >> 32 );
- return 0;
-}
-
-
-// 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;
-}
-
-static inline int blake2s_param_set_fanout( blake2s_param *P, const uint8_t fanout )
-{
- P->fanout = fanout;
- return 0;
-}
-
-static inline int blake2s_param_set_max_depth( blake2s_param *P, const uint8_t depth )
-{
- P->depth = depth;
- return 0;
-}
-
-static inline int blake2s_param_set_leaf_length( blake2s_param *P, const uint32_t leaf_length )
-{
- P->leaf_length = leaf_length;
- return 0;
-}
-
-static inline int blake2s_param_set_node_offset( blake2s_param *P, const uint64_t node_offset )
-{
- store48( P->node_offset, node_offset );
- return 0;
-}
-
-static inline int blake2s_param_set_node_depth( blake2s_param *P, const uint8_t node_depth )
-{
- P->node_depth = node_depth;
- return 0;
-}
-
-static inline int blake2s_param_set_inner_length( blake2s_param *P, const uint8_t inner_length )
-{
- P->inner_length = inner_length;
- return 0;
-}
-
-static inline int blake2s_param_set_salt( blake2s_param *P, const uint8_t salt[BLAKE2S_SALTBYTES] )
-{
- memcpy( P->salt, salt, BLAKE2S_SALTBYTES );
- return 0;
-}
-
-static inline int blake2s_param_set_personal( blake2s_param *P, const uint8_t personal[BLAKE2S_PERSONALBYTES] )
-{
- memcpy( P->personal, personal, BLAKE2S_PERSONALBYTES );
- return 0;
-}
-
-static inline int blake2s_init0( blake2s_state *S )
-{
- memset( S, 0, sizeof( blake2s_state ) );
-
- for( int i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
-
- return 0;
-}
-
-#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 )
-{
- 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( 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, size_t outlen )
-{
- if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
-
- const blake2s_param P =
- {
- outlen,
- 0,
- 1,
- 1,
- 0,
- {0},
- 0,
- 0,
- {0},
- {0}
- };
- return blake2s_init_param( S, &P );
-}
-
-
-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,
- keylen,
- 1,
- 1,
- 0,
- {0},
- 0,
- 0,
- {0},
- {0}
- };
-
- if( blake2s_init_param( S, &P ) < 0 )
- return -1;
-
- {
- uint8_t block[BLAKE2S_BLOCKBYTES];
- memset( block, 0, BLAKE2S_BLOCKBYTES );
- memcpy( block, key, keylen );
- blake2s_update( S, block, BLAKE2S_BLOCKBYTES );
- secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
- }
- return 0;
-}
-
-
-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_SSE4_1)
- __m128i t0, t1;
-#if !defined(HAVE_XOP)
- __m128i t2;
-#endif
-#endif
- __m128i ff0, ff1;
-#if defined(HAVE_SSSE3) && !defined(HAVE_XOP)
- 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_SSE4_1)
- const __m128i m0 = LOADU( block + 00 );
- const __m128i m1 = LOADU( block + 16 );
- const __m128i m2 = LOADU( block + 32 );
- const __m128i m3 = LOADU( block + 48 );
-#else
- const uint32_t m0 = ( ( uint32_t * )block )[ 0];
- const uint32_t m1 = ( ( uint32_t * )block )[ 1];
- const uint32_t m2 = ( ( uint32_t * )block )[ 2];
- const uint32_t m3 = ( ( uint32_t * )block )[ 3];
- const uint32_t m4 = ( ( uint32_t * )block )[ 4];
- const uint32_t m5 = ( ( uint32_t * )block )[ 5];
- const uint32_t m6 = ( ( uint32_t * )block )[ 6];
- const uint32_t m7 = ( ( uint32_t * )block )[ 7];
- const uint32_t m8 = ( ( uint32_t * )block )[ 8];
- const uint32_t m9 = ( ( uint32_t * )block )[ 9];
- const uint32_t m10 = ( ( uint32_t * )block )[10];
- const uint32_t m11 = ( ( uint32_t * )block )[11];
- const uint32_t m12 = ( ( uint32_t * )block )[12];
- const uint32_t m13 = ( ( uint32_t * )block )[13];
- const uint32_t m14 = ( ( uint32_t * )block )[14];
- const uint32_t m15 = ( ( uint32_t * )block )[15];
-#endif
- row1 = ff0 = LOADU( &S->h[0] );
- row2 = ff1 = LOADU( &S->h[4] );
- row3 = _mm_setr_epi32( 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A );
- row4 = _mm_xor_si128( _mm_setr_epi32( 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 ), LOADU( &S->t[0] ) );
- ROUND( 0 );
- ROUND( 1 );
- ROUND( 2 );
- ROUND( 3 );
- ROUND( 4 );
- ROUND( 5 );
- ROUND( 6 );
- ROUND( 7 );
- ROUND( 8 );
- ROUND( 9 );
- STOREU( &S->h[0], _mm_xor_si128( ff0, _mm_xor_si128( row1, row3 ) ) );
- STOREU( &S->h[4], _mm_xor_si128( ff1, _mm_xor_si128( row2, row4 ) ) );
- return 0;
-}
-
-
-int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen )
-{
- while( inlen > 0 )
- {
- size_t left = S->buflen;
- size_t fill = 2 * BLAKE2S_BLOCKBYTES - left;
-
- if( inlen > fill )
- {
- 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
- S->buflen -= BLAKE2S_BLOCKBYTES;
- in += fill;
- inlen -= fill;
- }
- else /* inlen <= fill */
- {
- memcpy( S->buf + left, in, inlen );
- S->buflen += inlen; // Be lazy, do not compress
- in += inlen;
- inlen -= inlen;
- }
- }
-
- return 0;
-}
-
-
-int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
-{
- uint8_t buffer[BLAKE2S_OUTBYTES];
-
- 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 );
- }
-
- blake2s_increment_counter( S, ( uint32_t )S->buflen );
- blake2s_set_lastblock( S );
- memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
- blake2s_compress( S, S->buf );
-
- 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;
-}
-
-int blake2s( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
-{
- blake2s_state S[1];
-
- /* Verify parameters */
- if ( NULL == in && inlen > 0 ) return -1;
-
- if ( NULL == out ) return -1;
-
- if ( NULL == key && keylen > 0) return -1;
-
- if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
-
- if( keylen > BLAKE2S_KEYBYTES ) return -1;
-
- if( keylen > 0 )
- {
- if( blake2s_init_key( S, outlen, key, keylen ) < 0 ) return -1;
- }
- else
- {
- if( blake2s_init( S, outlen ) < 0 ) return -1;
- }
-
- 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, (size_t)inlen, 0 );
-}
-#endif
-