diff options
author | shadchin <shadchin@yandex-team.ru> | 2022-02-10 16:44:39 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:39 +0300 |
commit | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (patch) | |
tree | 64175d5cadab313b3e7039ebaa06c5bc3295e274 /contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c | |
parent | 2598ef1d0aee359b4b6d5fdd1758916d5907d04f (diff) | |
download | ydb-e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0.tar.gz |
Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c')
-rw-r--r-- | contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c | 548 |
1 files changed, 274 insertions, 274 deletions
diff --git a/contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c b/contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c index f7da2ac10f..2f32bf3a22 100644 --- a/contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c +++ b/contrib/tools/python3/src/Modules/_blake2/impl/blake2sp.c @@ -1,274 +1,274 @@ -/* - 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 <stdlib.h> -#include <string.h> -#include <stdio.h> - -#if defined(_OPENMP) -#include <omp.h> -#endif - -#include "blake2.h" -#include "blake2-impl.h" - -#define PARALLELISM_DEGREE 8 - -static int blake2sp_init_leaf( blake2s_state *S, uint8_t outlen, uint8_t keylen, uint64_t offset ) -{ - blake2s_param P[1]; - P->digest_length = outlen; - P->key_length = keylen; - P->fanout = PARALLELISM_DEGREE; - P->depth = 2; - P->leaf_length = 0; - store48( P->node_offset, offset ); - P->node_depth = 0; - P->inner_length = BLAKE2S_OUTBYTES; - memset( P->salt, 0, sizeof( P->salt ) ); - memset( P->personal, 0, sizeof( P->personal ) ); - blake2s_init_param( S, P ); - S->outlen = P->inner_length; - return 0; -} - -static int blake2sp_init_root( blake2s_state *S, uint8_t outlen, uint8_t keylen ) -{ - blake2s_param P[1]; - P->digest_length = outlen; - P->key_length = keylen; - P->fanout = PARALLELISM_DEGREE; - P->depth = 2; - P->leaf_length = 0; - store48( P->node_offset, 0ULL ); - P->node_depth = 1; - P->inner_length = BLAKE2S_OUTBYTES; - memset( P->salt, 0, sizeof( P->salt ) ); - memset( P->personal, 0, sizeof( P->personal ) ); - blake2s_init_param( S, P ); - S->outlen = P->digest_length; - return 0; -} - - -int blake2sp_init( blake2sp_state *S, size_t outlen ) -{ - if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1; - - memset( S->buf, 0, sizeof( S->buf ) ); - S->buflen = 0; - - if( blake2sp_init_root( S->R, ( uint8_t ) outlen, 0 ) < 0 ) - return -1; - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - if( blake2sp_init_leaf( S->S[i], ( uint8_t ) outlen, 0, i ) < 0 ) return -1; - - S->R->last_node = 1; - S->S[PARALLELISM_DEGREE - 1]->last_node = 1; - S->outlen = ( uint8_t ) outlen; - return 0; -} - -int blake2sp_init_key( blake2sp_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; - - memset( S->buf, 0, sizeof( S->buf ) ); - S->buflen = 0; - - if( blake2sp_init_root( S->R, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) - return -1; - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - if( blake2sp_init_leaf( S->S[i], ( uint8_t ) outlen, ( uint8_t ) keylen, i ) < 0 ) - return -1; - - S->R->last_node = 1; - S->S[PARALLELISM_DEGREE - 1]->last_node = 1; - S->outlen = ( uint8_t ) outlen; - { - uint8_t block[BLAKE2S_BLOCKBYTES]; - memset( block, 0, BLAKE2S_BLOCKBYTES ); - memcpy( block, key, keylen ); - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - blake2s_update( S->S[i], block, BLAKE2S_BLOCKBYTES ); - - secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */ - } - return 0; -} - - -int blake2sp_update( blake2sp_state *S, const uint8_t *in, size_t inlen ) -{ - size_t left = S->buflen; - size_t fill = sizeof( S->buf ) - left; - - if( left && inlen >= fill ) - { - memcpy( S->buf + left, in, fill ); - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); - - in += fill; - inlen -= fill; - left = 0; - } - -#if defined(_OPENMP) - omp_set_num_threads(PARALLELISM_DEGREE); - #pragma omp parallel shared(S) -#else - for( size_t id__ = 0; id__ < PARALLELISM_DEGREE; ++id__ ) -#endif - { -#if defined(_OPENMP) - size_t id__ = ( size_t ) omp_get_thread_num(); -#endif - size_t inlen__ = inlen; - const uint8_t *in__ = ( const uint8_t * )in; - in__ += id__ * BLAKE2S_BLOCKBYTES; - - while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ) - { - blake2s_update( S->S[id__], in__, BLAKE2S_BLOCKBYTES ); - in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; - inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; - } - } - - in += inlen - inlen % ( PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ); - inlen %= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; - - if( inlen > 0 ) - memcpy( S->buf + left, in, inlen ); - - S->buflen = ( uint32_t ) left + ( uint32_t ) inlen; - return 0; -} - - -int blake2sp_final( blake2sp_state *S, uint8_t *out, size_t outlen ) -{ - uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES]; - - if(S->outlen != outlen) return -1; - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - { - if( S->buflen > i * BLAKE2S_BLOCKBYTES ) - { - size_t left = S->buflen - i * BLAKE2S_BLOCKBYTES; - - if( left > BLAKE2S_BLOCKBYTES ) left = BLAKE2S_BLOCKBYTES; - - blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, left ); - } - - blake2s_final( S->S[i], hash[i], BLAKE2S_OUTBYTES ); - } - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - blake2s_update( S->R, hash[i], BLAKE2S_OUTBYTES ); - - blake2s_final( S->R, out, outlen ); - return 0; -} - - -int blake2sp( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen ) -{ - uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES]; - blake2s_state S[PARALLELISM_DEGREE][1]; - blake2s_state FS[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; - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - if( blake2sp_init_leaf( S[i], ( uint8_t ) outlen, ( uint8_t ) keylen, i ) < 0 ) - return -1; - - S[PARALLELISM_DEGREE - 1]->last_node = 1; // mark last node - - if( keylen > 0 ) - { - uint8_t block[BLAKE2S_BLOCKBYTES]; - memset( block, 0, BLAKE2S_BLOCKBYTES ); - memcpy( block, key, keylen ); - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - blake2s_update( S[i], block, BLAKE2S_BLOCKBYTES ); - - secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */ - } - -#if defined(_OPENMP) - omp_set_num_threads(PARALLELISM_DEGREE); - #pragma omp parallel shared(S,hash) -#else - - for( size_t id__ = 0; id__ < PARALLELISM_DEGREE; ++id__ ) -#endif - { -#if defined(_OPENMP) - size_t id__ = ( size_t ) omp_get_thread_num(); -#endif - size_t inlen__ = inlen; - const uint8_t *in__ = ( const uint8_t * )in; - in__ += id__ * BLAKE2S_BLOCKBYTES; - - while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ) - { - blake2s_update( S[id__], in__, BLAKE2S_BLOCKBYTES ); - in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; - inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; - } - - if( inlen__ > id__ * BLAKE2S_BLOCKBYTES ) - { - const size_t left = inlen__ - id__ * BLAKE2S_BLOCKBYTES; - const size_t len = left <= BLAKE2S_BLOCKBYTES ? left : BLAKE2S_BLOCKBYTES; - blake2s_update( S[id__], in__, len ); - } - - blake2s_final( S[id__], hash[id__], BLAKE2S_OUTBYTES ); - } - - if( blake2sp_init_root( FS, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) - return -1; - - FS->last_node = 1; - - for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) - blake2s_update( FS, hash[i], BLAKE2S_OUTBYTES ); - - return blake2s_final( FS, out, outlen ); -} - - - - +/* + 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 <stdlib.h> +#include <string.h> +#include <stdio.h> + +#if defined(_OPENMP) +#include <omp.h> +#endif + +#include "blake2.h" +#include "blake2-impl.h" + +#define PARALLELISM_DEGREE 8 + +static int blake2sp_init_leaf( blake2s_state *S, uint8_t outlen, uint8_t keylen, uint64_t offset ) +{ + blake2s_param P[1]; + P->digest_length = outlen; + P->key_length = keylen; + P->fanout = PARALLELISM_DEGREE; + P->depth = 2; + P->leaf_length = 0; + store48( P->node_offset, offset ); + P->node_depth = 0; + P->inner_length = BLAKE2S_OUTBYTES; + memset( P->salt, 0, sizeof( P->salt ) ); + memset( P->personal, 0, sizeof( P->personal ) ); + blake2s_init_param( S, P ); + S->outlen = P->inner_length; + return 0; +} + +static int blake2sp_init_root( blake2s_state *S, uint8_t outlen, uint8_t keylen ) +{ + blake2s_param P[1]; + P->digest_length = outlen; + P->key_length = keylen; + P->fanout = PARALLELISM_DEGREE; + P->depth = 2; + P->leaf_length = 0; + store48( P->node_offset, 0ULL ); + P->node_depth = 1; + P->inner_length = BLAKE2S_OUTBYTES; + memset( P->salt, 0, sizeof( P->salt ) ); + memset( P->personal, 0, sizeof( P->personal ) ); + blake2s_init_param( S, P ); + S->outlen = P->digest_length; + return 0; +} + + +int blake2sp_init( blake2sp_state *S, size_t outlen ) +{ + if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1; + + memset( S->buf, 0, sizeof( S->buf ) ); + S->buflen = 0; + + if( blake2sp_init_root( S->R, ( uint8_t ) outlen, 0 ) < 0 ) + return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2sp_init_leaf( S->S[i], ( uint8_t ) outlen, 0, i ) < 0 ) return -1; + + S->R->last_node = 1; + S->S[PARALLELISM_DEGREE - 1]->last_node = 1; + S->outlen = ( uint8_t ) outlen; + return 0; +} + +int blake2sp_init_key( blake2sp_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; + + memset( S->buf, 0, sizeof( S->buf ) ); + S->buflen = 0; + + if( blake2sp_init_root( S->R, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) + return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2sp_init_leaf( S->S[i], ( uint8_t ) outlen, ( uint8_t ) keylen, i ) < 0 ) + return -1; + + S->R->last_node = 1; + S->S[PARALLELISM_DEGREE - 1]->last_node = 1; + S->outlen = ( uint8_t ) outlen; + { + uint8_t block[BLAKE2S_BLOCKBYTES]; + memset( block, 0, BLAKE2S_BLOCKBYTES ); + memcpy( block, key, keylen ); + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2s_update( S->S[i], block, BLAKE2S_BLOCKBYTES ); + + secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */ + } + return 0; +} + + +int blake2sp_update( blake2sp_state *S, const uint8_t *in, size_t inlen ) +{ + size_t left = S->buflen; + size_t fill = sizeof( S->buf ) - left; + + if( left && inlen >= fill ) + { + memcpy( S->buf + left, in, fill ); + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); + + in += fill; + inlen -= fill; + left = 0; + } + +#if defined(_OPENMP) + omp_set_num_threads(PARALLELISM_DEGREE); + #pragma omp parallel shared(S) +#else + for( size_t id__ = 0; id__ < PARALLELISM_DEGREE; ++id__ ) +#endif + { +#if defined(_OPENMP) + size_t id__ = ( size_t ) omp_get_thread_num(); +#endif + size_t inlen__ = inlen; + const uint8_t *in__ = ( const uint8_t * )in; + in__ += id__ * BLAKE2S_BLOCKBYTES; + + while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ) + { + blake2s_update( S->S[id__], in__, BLAKE2S_BLOCKBYTES ); + in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; + inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; + } + } + + in += inlen - inlen % ( PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ); + inlen %= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; + + if( inlen > 0 ) + memcpy( S->buf + left, in, inlen ); + + S->buflen = ( uint32_t ) left + ( uint32_t ) inlen; + return 0; +} + + +int blake2sp_final( blake2sp_state *S, uint8_t *out, size_t outlen ) +{ + uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES]; + + if(S->outlen != outlen) return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + { + if( S->buflen > i * BLAKE2S_BLOCKBYTES ) + { + size_t left = S->buflen - i * BLAKE2S_BLOCKBYTES; + + if( left > BLAKE2S_BLOCKBYTES ) left = BLAKE2S_BLOCKBYTES; + + blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, left ); + } + + blake2s_final( S->S[i], hash[i], BLAKE2S_OUTBYTES ); + } + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2s_update( S->R, hash[i], BLAKE2S_OUTBYTES ); + + blake2s_final( S->R, out, outlen ); + return 0; +} + + +int blake2sp( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen ) +{ + uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES]; + blake2s_state S[PARALLELISM_DEGREE][1]; + blake2s_state FS[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; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2sp_init_leaf( S[i], ( uint8_t ) outlen, ( uint8_t ) keylen, i ) < 0 ) + return -1; + + S[PARALLELISM_DEGREE - 1]->last_node = 1; // mark last node + + if( keylen > 0 ) + { + uint8_t block[BLAKE2S_BLOCKBYTES]; + memset( block, 0, BLAKE2S_BLOCKBYTES ); + memcpy( block, key, keylen ); + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2s_update( S[i], block, BLAKE2S_BLOCKBYTES ); + + secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */ + } + +#if defined(_OPENMP) + omp_set_num_threads(PARALLELISM_DEGREE); + #pragma omp parallel shared(S,hash) +#else + + for( size_t id__ = 0; id__ < PARALLELISM_DEGREE; ++id__ ) +#endif + { +#if defined(_OPENMP) + size_t id__ = ( size_t ) omp_get_thread_num(); +#endif + size_t inlen__ = inlen; + const uint8_t *in__ = ( const uint8_t * )in; + in__ += id__ * BLAKE2S_BLOCKBYTES; + + while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES ) + { + blake2s_update( S[id__], in__, BLAKE2S_BLOCKBYTES ); + in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; + inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES; + } + + if( inlen__ > id__ * BLAKE2S_BLOCKBYTES ) + { + const size_t left = inlen__ - id__ * BLAKE2S_BLOCKBYTES; + const size_t len = left <= BLAKE2S_BLOCKBYTES ? left : BLAKE2S_BLOCKBYTES; + blake2s_update( S[id__], in__, len ); + } + + blake2s_final( S[id__], hash[id__], BLAKE2S_OUTBYTES ); + } + + if( blake2sp_init_root( FS, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) + return -1; + + FS->last_node = 1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2s_update( FS, hash[i], BLAKE2S_OUTBYTES ); + + return blake2s_final( FS, out, outlen ); +} + + + + |