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Diffstat (limited to 'Modules/_blake2/impl/blake2s.c')
-rw-r--r-- | Modules/_blake2/impl/blake2s.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/Modules/_blake2/impl/blake2s.c b/Modules/_blake2/impl/blake2s.c deleted file mode 100644 index e7f63fd..0000000 --- a/Modules/_blake2/impl/blake2s.c +++ /dev/null @@ -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 - |