X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=lib%2Fblake2%2Fref%2Fblake2b-ref.c;fp=lib%2Fblake2%2Fref%2Fblake2b-ref.c;h=0000000000000000000000000000000000000000;hb=eb733268e03ec1f4542b87ad881bd1f12f18c299;hp=cd38b1ba0083c4d8125b2f27e03498376946dc37;hpb=841985fecd64252b395558f0cc5b5a44065e3808;p=zpackage diff --git a/lib/blake2/ref/blake2b-ref.c b/lib/blake2/ref/blake2b-ref.c deleted file mode 100644 index cd38b1b..0000000 --- a/lib/blake2/ref/blake2b-ref.c +++ /dev/null @@ -1,379 +0,0 @@ -/* - BLAKE2 reference source code package - reference C implementations - - Copyright 2012, Samuel Neves . 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. -*/ - -#include -#include -#include - -#include "blake2.h" -#include "blake2-impl.h" - -static const uint64_t blake2b_IV[8] = -{ - 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, - 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, - 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, - 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL -}; - -static const uint8_t blake2b_sigma[12][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 } , - { 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 } -}; - - -static void blake2b_set_lastnode( blake2b_state *S ) -{ - S->f[1] = (uint64_t)-1; -} - -/* Some helper functions, not necessarily useful */ -static int blake2b_is_lastblock( const blake2b_state *S ) -{ - return S->f[0] != 0; -} - -static void blake2b_set_lastblock( blake2b_state *S ) -{ - if( S->last_node ) blake2b_set_lastnode( S ); - - S->f[0] = (uint64_t)-1; -} - -static void blake2b_increment_counter( blake2b_state *S, const uint64_t inc ) -{ - S->t[0] += inc; - S->t[1] += ( S->t[0] < inc ); -} - -static void blake2b_init0( blake2b_state *S ) -{ - size_t i; - memset( S, 0, sizeof( blake2b_state ) ); - - for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i]; -} - -/* init xors IV with input parameter block */ -int blake2b_init_param( blake2b_state *S, const blake2b_param *P ) -{ - const uint8_t *p = ( const uint8_t * )( P ); - size_t i; - - blake2b_init0( S ); - - /* IV XOR ParamBlock */ - for( i = 0; i < 8; ++i ) - S->h[i] ^= load64( p + sizeof( S->h[i] ) * i ); - - S->outlen = P->digest_length; - return 0; -} - - - -int blake2b_init( blake2b_state *S, size_t outlen ) -{ - blake2b_param P[1]; - - if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; - - P->digest_length = (uint8_t)outlen; - P->key_length = 0; - P->fanout = 1; - P->depth = 1; - store32( &P->leaf_length, 0 ); - store32( &P->node_offset, 0 ); - store32( &P->xof_length, 0 ); - P->node_depth = 0; - P->inner_length = 0; - memset( P->reserved, 0, sizeof( P->reserved ) ); - memset( P->salt, 0, sizeof( P->salt ) ); - memset( P->personal, 0, sizeof( P->personal ) ); - return blake2b_init_param( S, P ); -} - - -int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen ) -{ - blake2b_param P[1]; - - if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; - - if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1; - - P->digest_length = (uint8_t)outlen; - P->key_length = (uint8_t)keylen; - P->fanout = 1; - P->depth = 1; - store32( &P->leaf_length, 0 ); - store32( &P->node_offset, 0 ); - store32( &P->xof_length, 0 ); - P->node_depth = 0; - P->inner_length = 0; - memset( P->reserved, 0, sizeof( P->reserved ) ); - memset( P->salt, 0, sizeof( P->salt ) ); - memset( P->personal, 0, sizeof( P->personal ) ); - - if( blake2b_init_param( S, P ) < 0 ) return -1; - - { - uint8_t block[BLAKE2B_BLOCKBYTES]; - memset( block, 0, BLAKE2B_BLOCKBYTES ); - memcpy( block, key, keylen ); - blake2b_update( S, block, BLAKE2B_BLOCKBYTES ); - secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */ - } - return 0; -} - -#define G(r,i,a,b,c,d) \ - do { \ - a = a + b + m[blake2b_sigma[r][2*i+0]]; \ - d = rotr64(d ^ a, 32); \ - c = c + d; \ - b = rotr64(b ^ c, 24); \ - a = a + b + m[blake2b_sigma[r][2*i+1]]; \ - d = rotr64(d ^ a, 16); \ - c = c + d; \ - b = rotr64(b ^ c, 63); \ - } while(0) - -#define ROUND(r) \ - do { \ - G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ - G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ - G(r,2,v[ 2],v[ 6],v[10],v[14]); \ - G(r,3,v[ 3],v[ 7],v[11],v[15]); \ - G(r,4,v[ 0],v[ 5],v[10],v[15]); \ - G(r,5,v[ 1],v[ 6],v[11],v[12]); \ - G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ - G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ - } while(0) - -static void blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] ) -{ - uint64_t m[16]; - uint64_t v[16]; - size_t i; - - for( i = 0; i < 16; ++i ) { - m[i] = load64( block + i * sizeof( m[i] ) ); - } - - for( i = 0; i < 8; ++i ) { - v[i] = S->h[i]; - } - - v[ 8] = blake2b_IV[0]; - v[ 9] = blake2b_IV[1]; - v[10] = blake2b_IV[2]; - v[11] = blake2b_IV[3]; - v[12] = blake2b_IV[4] ^ S->t[0]; - v[13] = blake2b_IV[5] ^ S->t[1]; - v[14] = blake2b_IV[6] ^ S->f[0]; - v[15] = blake2b_IV[7] ^ S->f[1]; - - ROUND( 0 ); - ROUND( 1 ); - ROUND( 2 ); - ROUND( 3 ); - ROUND( 4 ); - ROUND( 5 ); - ROUND( 6 ); - ROUND( 7 ); - ROUND( 8 ); - ROUND( 9 ); - ROUND( 10 ); - ROUND( 11 ); - - for( i = 0; i < 8; ++i ) { - S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; - } -} - -#undef G -#undef ROUND - -int blake2b_update( blake2b_state *S, const void *pin, size_t inlen ) -{ - const unsigned char * in = (const unsigned char *)pin; - if( inlen > 0 ) - { - size_t left = S->buflen; - size_t fill = BLAKE2B_BLOCKBYTES - left; - if( inlen > fill ) - { - S->buflen = 0; - memcpy( S->buf + left, in, fill ); /* Fill buffer */ - blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); - blake2b_compress( S, S->buf ); /* Compress */ - in += fill; inlen -= fill; - while(inlen > BLAKE2B_BLOCKBYTES) { - blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); - blake2b_compress( S, in ); - in += BLAKE2B_BLOCKBYTES; - inlen -= BLAKE2B_BLOCKBYTES; - } - } - memcpy( S->buf + S->buflen, in, inlen ); - S->buflen += inlen; - } - return 0; -} - -int blake2b_final( blake2b_state *S, void *out, size_t outlen ) -{ - uint8_t buffer[BLAKE2B_OUTBYTES] = {0}; - size_t i; - - if( out == NULL || outlen < S->outlen ) - return -1; - - if( blake2b_is_lastblock( S ) ) - return -1; - - blake2b_increment_counter( S, S->buflen ); - blake2b_set_lastblock( S ); - memset( S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */ - blake2b_compress( S, S->buf ); - - for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */ - store64( buffer + sizeof( S->h[i] ) * i, S->h[i] ); - - memcpy( out, buffer, S->outlen ); - secure_zero_memory(buffer, sizeof(buffer)); - return 0; -} - -/* inlen, at least, should be uint64_t. Others can be size_t. */ -int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) -{ - blake2b_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 > BLAKE2B_OUTBYTES ) return -1; - - if( keylen > BLAKE2B_KEYBYTES ) return -1; - - if( keylen > 0 ) - { - if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1; - } - else - { - if( blake2b_init( S, outlen ) < 0 ) return -1; - } - - blake2b_update( S, ( const uint8_t * )in, inlen ); - blake2b_final( S, out, outlen ); - return 0; -} - -int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) { - return blake2b(out, outlen, in, inlen, key, keylen); -} - -#if defined(SUPERCOP) -int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen ) -{ - return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 ); -} -#endif - -#if defined(BLAKE2B_SELFTEST) -#include -#include "blake2-kat.h" -int main( void ) -{ - uint8_t key[BLAKE2B_KEYBYTES]; - uint8_t buf[BLAKE2_KAT_LENGTH]; - size_t i, step; - - for( i = 0; i < BLAKE2B_KEYBYTES; ++i ) - key[i] = ( uint8_t )i; - - for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) - buf[i] = ( uint8_t )i; - - /* Test simple API */ - for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) - { - uint8_t hash[BLAKE2B_OUTBYTES]; - blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES ); - - if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) ) - { - goto fail; - } - } - - /* Test streaming API */ - for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) { - for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) { - uint8_t hash[BLAKE2B_OUTBYTES]; - blake2b_state S; - uint8_t * p = buf; - size_t mlen = i; - int err = 0; - - if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) { - goto fail; - } - - while (mlen >= step) { - if ( (err = blake2b_update(&S, p, step)) < 0 ) { - goto fail; - } - mlen -= step; - p += step; - } - if ( (err = blake2b_update(&S, p, mlen)) < 0) { - goto fail; - } - if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) { - goto fail; - } - - if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) { - goto fail; - } - } - } - - puts( "ok" ); - return 0; -fail: - puts("error"); - return -1; -} -#endif