mirror of
https://github.com/BLAKE2/BLAKE2
synced 2024-09-16 08:31:34 +02:00
b2xb and tests
This commit is contained in:
JP Aumasson
parent
c09fb30361
commit
09f8e4f99e
@ -160,7 +160,7 @@ extern "C" {
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int blake2bp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
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int blake2xs( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
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//int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
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int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
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/* This is simply an alias for blake2b */
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int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
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@ -5,122 +5,143 @@
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#include "blake2.h"
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#include "blake2-impl.h"
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int blake2xb_init( blake2b_state *S, const uint16_t outlen, const void *key, const uint8_t keylen)
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{
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typedef struct blake2xb_state__ {
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blake2b_state S[1];
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blake2b_param P[1];
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} blake2xb_state;
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if ( !outlen ) return -1;
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P->digest_length = BLAKE2B_OUTBYTES;
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P->key_length = keylen;
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P->fanout = 1;
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P->depth = 1;
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store32( &P->leaf_length, 0 );
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store32( &P->node_offset, 0 );
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store32( &P->xof_length, outlen );
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P->node_depth = 0;
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P->inner_length = 0;
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memset( P->reserved, 0, sizeof( P->reserved ) );
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memset( P->salt, 0, sizeof( P->salt ) );
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memset( P->personal, 0, sizeof( P->personal ) );
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int blake2xb_init( blake2xb_state *S, const size_t outlen, const void *key, size_t keylen)
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{
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if ( outlen == 0 || outlen > 0xFFFFFFFFUL ) {
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return -1;
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}
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if( blake2b_init_param( S, P ) < 0 ) return -1;
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if (NULL == key || keylen > BLAKE2B_KEYBYTES) {
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return -1;
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}
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if (keylen)
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{
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if ( !key || keylen > BLAKE2B_KEYBYTES ) return -1;
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uint8_t block[BLAKE2B_BLOCKBYTES];
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memset( block, 0, BLAKE2B_BLOCKBYTES );
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memcpy( block, key, keylen );
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blake2b_update( S, block, BLAKE2B_BLOCKBYTES );
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secure_zero_memory( block, BLAKE2B_BLOCKBYTES );
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}
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/* Initialize parameter block */
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S->P->digest_length = BLAKE2B_OUTBYTES;
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S->P->key_length = keylen;
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S->P->fanout = 1;
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S->P->depth = 1;
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store32( &S->P->leaf_length, 0 );
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store32( &S->P->node_offset, 0 );
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store32( &S->P->xof_length, outlen );
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S->P->node_depth = 0;
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S->P->inner_length = 0;
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memset( S->P->reserved, 0, sizeof( S->P->reserved ) );
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memset( S->P->salt, 0, sizeof( S->P->salt ) );
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memset( S->P->personal, 0, sizeof( S->P->personal ) );
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if( blake2b_init_param( S->S, S->P ) < 0 ) {
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return -1;
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}
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if (keylen > 0) {
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uint8_t block[BLAKE2B_BLOCKBYTES];
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memset(block, 0, BLAKE2B_BLOCKBYTES);
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memcpy(block, key, keylen);
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blake2b_update(S->S, block, BLAKE2B_BLOCKBYTES);
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secure_zero_memory(block, BLAKE2B_BLOCKBYTES);
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}
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return 0;
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}
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int blake2xb_update( blake2b_state *S, const uint8_t *in, uint64_t inlen )
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{
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if ( !in ) return -1;
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return blake2b_update( S, in, inlen );
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int blake2xb_update( blake2xb_state *S, const void *in, size_t inlen ) {
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return blake2b_update( S->S, in, inlen );
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}
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int blake2xb_final( blake2b_state *S, uint8_t *out, const uint16_t outlen) {
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int blake2xb_final( blake2xb_state *S, void *out, size_t outlen) {
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blake2b_state C[1];
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blake2b_param P[1];
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int i;
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uint16_t last_index = outlen/BLAKE2B_OUTBYTES;
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uint8_t root[BLAKE2B_BLOCKBYTES];
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blake2b_state C[1];
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blake2b_param P[1];
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uint32_t xof_length = load32(&S->P->xof_length);
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uint8_t root[BLAKE2B_BLOCKBYTES];
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size_t i;
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if ( !out ) return 1;
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if (NULL == out) {
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return -1;
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}
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/* Finalize the root hash */
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if (blake2b_final( S, root, BLAKE2B_OUTBYTES ) < 0 )
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return -1;
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/* Set common block structure values */
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P->digest_length = BLAKE2B_OUTBYTES;
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P->key_length = 0;
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P->fanout = 0;
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P->depth = 0;
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store32( &P->leaf_length, BLAKE2B_OUTBYTES );
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store32( &P->xof_length, outlen );
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P->inner_length = 0;
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P->node_depth = 0;
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memset( P->reserved, 0, sizeof( P->reserved ) );
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memset( P->salt, 0, sizeof( P->salt ) );
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memset( P->personal, 0, sizeof( P->personal ) );
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for( i = 0; i < last_index; ++ i ) {
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/* Initialize state */
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store32( &P->node_offset, i );
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if( blake2b_init_param( C, P ) < 0 ) return -1;
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/* Process key if needed */
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blake2b_update( C, root, BLAKE2B_OUTBYTES);
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blake2b_final( C, out + i*BLAKE2B_OUTBYTES, BLAKE2B_OUTBYTES );
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/* outlen must match the output size defined in xof_length, */
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/* unless it was -1, in which case anything goes except 0. */
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if(xof_length == 0xFFFFFFFFUL) {
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if(outlen == 0) {
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return -1;
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}
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/* Last instance */
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store32( &P->node_offset, last_index);
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P->digest_length = outlen % BLAKE2B_OUTBYTES;
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if( blake2b_init_param( C, P ) < 0 ) return -1;
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blake2b_update( C, root, BLAKE2B_OUTBYTES);
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blake2b_final( C, out + last_index*BLAKE2B_OUTBYTES, outlen % BLAKE2B_OUTBYTES );
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return 0;
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} else {
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if(outlen != xof_length) {
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return -1;
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}
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}
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/* Finalize the root hash */
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if (blake2b_final(S->S, root, BLAKE2B_OUTBYTES) < 0) {
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return -1;
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}
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/* Set common block structure values */
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/* Copy values from parent instance, and only change the ones below */
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memcpy(P, S->P, sizeof(blake2b_param));
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P->fanout = 0;
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P->depth = 0;
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store32(&P->leaf_length, BLAKE2B_OUTBYTES);
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P->inner_length = BLAKE2B_OUTBYTES;
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P->node_depth = 0;
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for (i = 0; outlen > 0; ++i) {
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const size_t block_size = (outlen < BLAKE2B_OUTBYTES) ? outlen : BLAKE2B_OUTBYTES;
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/* Initialize state */
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P->digest_length = block_size;
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store32(&P->node_offset, i);
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blake2b_init_param(C, P);
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/* Process key if needed */
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blake2b_update(C, root, BLAKE2B_OUTBYTES);
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blake2b_final(C, (uint8_t *)out + i * BLAKE2B_OUTBYTES, block_size);
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outlen -= block_size;
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}
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secure_zero_memory(root, sizeof(root));
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secure_zero_memory(P, sizeof(P));
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secure_zero_memory(C, sizeof(C));
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/* Put blake2xb in an invalid state? cf. blake2s_is_lastblock */
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return 0;
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}
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int blake2xb( uint8_t *out, const void *in, const void *key, const
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uint16_t outlen, const uint64_t inlen, const uint8_t keylen )
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int blake2xb(void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen)
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{
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blake2b_state S[1];
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blake2xb_state S[1];
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/* Verify parameters */
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if ( NULL == in && inlen > 0 ) return -1;
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/* Verify parameters */
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if (NULL == in && inlen > 0)
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return -1;
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if ( NULL == out ) return -1;
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if (NULL == out)
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return -1;
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if ( NULL == key && keylen > 0) return -1;
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if (NULL == key && keylen > 0)
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return -1;
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if( keylen > BLAKE2B_KEYBYTES ) return -1;
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if (keylen > BLAKE2B_KEYBYTES)
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return -1;
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if( !outlen ) return -1;
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if (outlen == 0)
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return -1;
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/* Initialize the root block structure */
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if ( blake2xb_init( S, outlen, key, keylen ) < 0 ) {
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return -1;
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}
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/* Initialize the root block structure */
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if (blake2xb_init(S, outlen, key, keylen) < 0) {
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return -1;
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}
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/* Compute the root of the tree */
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if ( blake2xb_update( S, ( const uint8_t * )in, inlen ) < 0 )
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return -1;
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/* Absorb the input message */
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if (blake2xb_update(S, in, inlen) < 0) {
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return -1;
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}
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/* Compute the final hash using the counter construction */
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blake2xb_final( S, out, outlen );
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return 0;
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/* Compute the root node of the tree and the final hash using the counter construction */
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return blake2xb_final(S, out, outlen);
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}
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#if defined(BLAKE2XB_SELFTEST)
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@ -130,26 +151,70 @@ int main( int argc, char **argv )
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{
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uint8_t key[BLAKE2B_KEYBYTES];
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uint8_t buf[BLAKE2_KAT_LENGTH];
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size_t i, step;
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for( size_t i = 0; i < BLAKE2B_KEYBYTES; ++i )
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for( i = 0; i < BLAKE2B_KEYBYTES; ++i ) {
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key[i] = ( uint8_t )i;
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for( size_t i = 0; i < BLAKE2_KAT_LENGTH; ++i )
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buf[i] = ( uint8_t )i;
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for( size_t i = 0; i < BLAKE2_KAT_LENGTH; ++i )
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{
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uint8_t hash[BLAKE2_KAT_LENGTH];
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blake2xb( hash, buf, key, i, BLAKE2_KAT_LENGTH, BLAKE2B_KEYBYTES );
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for( size_t j = 0; j < i; ++j ) {
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printf("%02x", hash[j]);
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}
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printf("\n");
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}
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//puts( "ok" );
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for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) {
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buf[i] = ( uint8_t )i;
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}
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/* Testing length of ouputs rather than inputs */
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/* (Test of input lengths mostly covered by blake2s tests) */
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/* Test simple API */
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for( size_t outlen = 1; outlen <= BLAKE2_KAT_LENGTH; ++outlen )
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{
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uint8_t hash[BLAKE2_KAT_LENGTH] = {0};
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blake2xb( hash, outlen, buf, BLAKE2_KAT_LENGTH, key, BLAKE2B_KEYBYTES );
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if( 0 != memcmp( hash, blake2xb_keyed_kat[outlen-1], outlen ) )
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{
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goto fail;
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}
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}
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/* Test streaming API */
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for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) {
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for (size_t outlen = 1; outlen <= BLAKE2_KAT_LENGTH; ++outlen) {
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uint8_t hash[BLAKE2_KAT_LENGTH];
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blake2xb_state S;
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uint8_t * p = buf;
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size_t mlen = BLAKE2_KAT_LENGTH;
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int err = 0;
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if( (err = blake2xb_init(&S, outlen, key, BLAKE2B_KEYBYTES)) < 0 ) {
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goto fail;
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}
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while (mlen >= step) {
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if ( (err = blake2xb_update(&S, p, step)) < 0 ) {
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goto fail;
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}
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mlen -= step;
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p += step;
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}
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if ( (err = blake2xb_update(&S, p, mlen)) < 0) {
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goto fail;
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}
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if ( (err = blake2xb_final(&S, hash, outlen)) < 0) {
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goto fail;
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}
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if (0 != memcmp(hash, blake2xb_keyed_kat[outlen-1], outlen)) {
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goto fail;
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}
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}
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}
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puts( "ok" );
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return 0;
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fail:
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puts("error");
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return -1;
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}
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#endif
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@ -52,8 +52,8 @@ int blake2xs_update( blake2xs_state *S, const void *in, size_t inlen ) {
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return blake2s_update( S->S, in, inlen );
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}
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int blake2xs_final(blake2xs_state *S, void *out, size_t outlen)
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{
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int blake2xs_final(blake2xs_state *S, void *out, size_t outlen) {
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blake2s_state C[1];
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blake2s_param P[1];
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uint16_t xof_length = load16(&S->P->xof_length);
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@ -76,7 +76,7 @@ do \
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printf( "\t{\n\t\t" ); \
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\
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for( int j = 0; j < i; ++j ) \
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printf( "0x%02X%s", hash[j], j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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printf( "0x%02X%s", hash[j], ( j + 1 ) == LENGTH ? "\n" : j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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\
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for( int j = i; j < LENGTH; ++j ) \
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printf( "0x00%s", ( j + 1 ) == LENGTH ? "\n" : j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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@ -99,7 +99,7 @@ do \
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printf( "\t{\n\t\t" ); \
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\
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for( int j = 0; j < i; ++j ) \
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printf( "0x%02X%s", hash[j], j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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printf( "0x%02X%s", hash[j], ( j + 1 ) == LENGTH ? "\n" : j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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\
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for( int j = i; j < LENGTH; ++j ) \
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printf( "0x00%s", ( j + 1 ) == LENGTH ? "\n" : j && !( ( j + 1 ) % 8 ) ? ",\n\t\t" : ", " ); \
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@ -138,8 +138,8 @@ int main( int argc, char **argv )
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MAKE_KEYED_KAT( blake2bp, BLAKE2B );
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MAKE_XOF_KAT( blake2xs );
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MAKE_XOF_KEYED_KAT( blake2xs, BLAKE2S );
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//MAKE_XOF_KAT( blake2xs );
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//MAKE_XOF_KEYED_KAT( blake2xs, BLAKE2S );
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MAKE_XOF_KAT( blake2xb );
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MAKE_XOF_KEYED_KAT( blake2xb, BLAKE2B );
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puts( "#endif" );
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return 0;
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}
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17430
testvectors/blake2-kat.h
17430
testvectors/blake2-kat.h
File diff suppressed because it is too large
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