/* init2 xors IV with input parameter block */
int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
blake2s_init0( S );
uint32_t *p = ( uint32_t * )( P );
/* IV XOR ParamBlock */
for( size_t i = 0; i < 8; ++i )
S->h[i] ^= load32( &p[i] );
return 0;
}
/* init2 xors IV with input parameter block */
static void blake2s_init_param(BLAKE2S_CTX *S, const BLAKE2S_PARAM *P)
{
const uint8_t *p = (const uint8_t *)(P);
size_t i;
/* The param struct is carefully hand packed, and should be 32 bytes on
* every platform. */
assert(sizeof(BLAKE2S_PARAM) == 32);
blake2s_init0(S);
/* IV XOR ParamBlock */
for (i = 0; i < 8; ++i) {
S->h[i] ^= load32(&p[i*4]);
}
}
/* init2 xors IV with input parameter block */
int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
const unsigned char *p = ( const unsigned char * )( P );
size_t i;
blake2s_init0( S );
/* IV XOR ParamBlock */
for( i = 0; i < 8; ++i )
S->h[i] ^= load32( &p[i * 4] );
S->outlen = P->digest_length;
return 0;
}
/* init2 xors IV with input parameter block */
static int blake2s_init_param(hash_state *md, const unsigned char *P)
{
unsigned long i;
blake2s_init0(md);
/* IV XOR ParamBlock */
for (i = 0; i < 8; ++i) {
ulong32 tmp;
LOAD32L(tmp, P + i * 4);
md->blake2s.h[i] ^= tmp;
}
md->blake2s.outlen = P[O_DIGEST_LENGTH];
return CRYPT_OK;
}