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blake2s: add InitPersonal

This commit is contained in:
Pavol Rusnak 2018-06-19 18:03:31 +02:00
parent 669acd7331
commit c26867d6f2
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
3 changed files with 25 additions and 1 deletions

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@ -30,8 +30,8 @@ typedef struct __blake2b_state
#define BLAKE2B_KEY_LENGTH BLAKE2B_KEYBYTES
int blake2b_Init(blake2b_state *S, size_t outlen);
int blake2b_InitPersonal(blake2b_state *S, size_t outlen, const void *personal, size_t personal_len);
int blake2b_InitKey(blake2b_state *S, size_t outlen, const void *key, size_t keylen);
int blake2b_InitPersonal(blake2b_state *S, size_t outlen, const void *personal, size_t personal_len);
int blake2b_Update(blake2b_state *S, const void *pin, size_t inlen);
int blake2b_Final(blake2b_state *S, void *out, size_t outlen);

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@ -126,6 +126,29 @@ int blake2s_Init( blake2s_state *S, size_t outlen )
return blake2s_init_param( S, P );
}
int blake2s_InitPersonal( blake2s_state *S, size_t outlen, const void *personal, size_t personal_len)
{
blake2s_param P[1];
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
if ( ( !personal ) || ( personal_len != BLAKE2S_PERSONALBYTES ) ) 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 );
store16( &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 ) );
memcpy( P->personal, personal, BLAKE2S_PERSONALBYTES );
return blake2s_init_param( S, P );
}
int blake2s_InitKey( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
{
blake2s_param P[1];

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@ -31,6 +31,7 @@ typedef struct __blake2s_state
int blake2s_Init(blake2s_state *S, size_t outlen);
int blake2s_InitKey(blake2s_state *S, size_t outlen, const void *key, size_t keylen);
int blake2s_InitPersonal(blake2s_state *S, size_t outlen, const void *personal, size_t personal_len);
int blake2s_Update(blake2s_state *S, const void *pin, size_t inlen);
int blake2s_Final(blake2s_state *S, void *out, size_t outlen);