diff options
author | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-30 13:26:22 +0300 |
---|---|---|
committer | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-30 15:44:45 +0300 |
commit | 0a98fece5a9b54f16afeb3a94b3eb3105e9c3962 (patch) | |
tree | 291d72dbd7e9865399f668c84d11ed86fb190bbf /contrib/libs/blake2/src/blake2bp.c | |
parent | cb2c8d75065e5b3c47094067cb4aa407d4813298 (diff) | |
download | ydb-0a98fece5a9b54f16afeb3a94b3eb3105e9c3962.tar.gz |
YQ Connector:Use docker-compose in integrational tests
Diffstat (limited to 'contrib/libs/blake2/src/blake2bp.c')
-rw-r--r-- | contrib/libs/blake2/src/blake2bp.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/contrib/libs/blake2/src/blake2bp.c b/contrib/libs/blake2/src/blake2bp.c new file mode 100644 index 0000000000..4522161171 --- /dev/null +++ b/contrib/libs/blake2/src/blake2bp.c @@ -0,0 +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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> + +#if defined(_OPENMP) +#include <omp.h> +#endif + +#include "blake2.h" +#include "blake2-impl.h" + +#define PARALLELISM_DEGREE 4 + +static int blake2bp_init_leaf( blake2b_state *S, uint8_t outlen, uint8_t keylen, uint64_t offset ) +{ + blake2b_param P[1]; + P->digest_length = outlen; + P->key_length = keylen; + P->fanout = PARALLELISM_DEGREE; + P->depth = 2; + store32(&P->leaf_length, 0); + store64(&P->node_offset, offset); + P->node_depth = 0; + P->inner_length = BLAKE2B_OUTBYTES; + memset( P->reserved, 0, sizeof( P->reserved ) ); + memset( P->salt, 0, sizeof( P->salt ) ); + memset( P->personal, 0, sizeof( P->personal ) ); + blake2b_init_param( S, P ); + S->outlen = P->inner_length; + return 0; +} + +static int blake2bp_init_root( blake2b_state *S, uint8_t outlen, uint8_t keylen ) +{ + blake2b_param P[1]; + P->digest_length = outlen; + P->key_length = keylen; + P->fanout = PARALLELISM_DEGREE; + P->depth = 2; + store32(&P->leaf_length, 0); + store64(&P->node_offset, 0); + P->node_depth = 1; + P->inner_length = BLAKE2B_OUTBYTES; + memset( P->reserved, 0, sizeof( P->reserved ) ); + memset( P->salt, 0, sizeof( P->salt ) ); + memset( P->personal, 0, sizeof( P->personal ) ); + blake2b_init_param( S, P ); + S->outlen = P->digest_length; + return 0; +} + + +int blake2bp_init( blake2bp_state *S, size_t outlen ) +{ + if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1; + + memset( S->buf, 0, sizeof( S->buf ) ); + S->buflen = 0; + + if( blake2bp_init_root( S->R, ( uint8_t ) outlen, 0 ) < 0 ) + return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2bp_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 blake2bp_init_key( blake2bp_state *S, size_t outlen, const void *key, size_t keylen ) +{ + if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1; + + if( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1; + + memset( S->buf, 0, sizeof( S->buf ) ); + S->buflen = 0; + + if( blake2bp_init_root( S->R, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) + return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2bp_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[BLAKE2B_BLOCKBYTES]; + memset( block, 0, BLAKE2B_BLOCKBYTES ); + memcpy( block, key, keylen ); + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2b_update( S->S[i], block, BLAKE2B_BLOCKBYTES ); + + secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */ + } + return 0; +} + + +int blake2bp_update( blake2bp_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 ) + blake2b_update( S->S[i], S->buf + i * BLAKE2B_BLOCKBYTES, BLAKE2B_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__ * BLAKE2B_BLOCKBYTES; + + while( inlen__ >= PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES ) + { + blake2b_update( S->S[id__], in__, BLAKE2B_BLOCKBYTES ); + in__ += PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES; + inlen__ -= PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES; + } + } + + in += inlen - inlen % ( PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES ); + inlen %= PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES; + + if( inlen > 0 ) + memcpy( S->buf + left, in, inlen ); + + S->buflen = ( uint32_t ) left + ( uint32_t ) inlen; + return 0; +} + + + +int blake2bp_final( blake2bp_state *S, uint8_t *out, size_t outlen ) +{ + uint8_t hash[PARALLELISM_DEGREE][BLAKE2B_OUTBYTES]; + + if(S->outlen != outlen) return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + { + if( S->buflen > i * BLAKE2B_BLOCKBYTES ) + { + size_t left = S->buflen - i * BLAKE2B_BLOCKBYTES; + + if( left > BLAKE2B_BLOCKBYTES ) left = BLAKE2B_BLOCKBYTES; + + blake2b_update( S->S[i], S->buf + i * BLAKE2B_BLOCKBYTES, left ); + } + + blake2b_final( S->S[i], hash[i], BLAKE2B_OUTBYTES ); + } + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2b_update( S->R, hash[i], BLAKE2B_OUTBYTES ); + + return blake2b_final( S->R, out, outlen ); +} + +int blake2bp( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen ) +{ + uint8_t hash[PARALLELISM_DEGREE][BLAKE2B_OUTBYTES]; + blake2b_state S[PARALLELISM_DEGREE][1]; + blake2b_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 > BLAKE2B_OUTBYTES ) return -1; + + if( keylen > BLAKE2B_KEYBYTES ) return -1; + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + if( blake2bp_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[BLAKE2B_BLOCKBYTES]; + memset( block, 0, BLAKE2B_BLOCKBYTES ); + memcpy( block, key, keylen ); + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2b_update( S[i], block, BLAKE2B_BLOCKBYTES ); + + secure_zero_memory( block, BLAKE2B_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__ * BLAKE2B_BLOCKBYTES; + + while( inlen__ >= PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES ) + { + blake2b_update( S[id__], in__, BLAKE2B_BLOCKBYTES ); + in__ += PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES; + inlen__ -= PARALLELISM_DEGREE * BLAKE2B_BLOCKBYTES; + } + + if( inlen__ > id__ * BLAKE2B_BLOCKBYTES ) + { + const size_t left = inlen__ - id__ * BLAKE2B_BLOCKBYTES; + const size_t len = left <= BLAKE2B_BLOCKBYTES ? left : BLAKE2B_BLOCKBYTES; + blake2b_update( S[id__], in__, len ); + } + + blake2b_final( S[id__], hash[id__], BLAKE2B_OUTBYTES ); + } + + if( blake2bp_init_root( FS, ( uint8_t ) outlen, ( uint8_t ) keylen ) < 0 ) + return -1; + + FS->last_node = 1; // Mark as last node + + for( size_t i = 0; i < PARALLELISM_DEGREE; ++i ) + blake2b_update( FS, hash[i], BLAKE2B_OUTBYTES ); + + return blake2b_final( FS, out, outlen ); +} + + + |