Add key import for psa_tls12_prf_input
@@ -4790,18 +4790,36 @@ static psa_status_t psa_tls12_prf_set_seed( psa_tls12_prf_key_derivation_t *prf,
return( PSA_SUCCESS );
}
+static psa_status_t psa_tls12_prf_set_key( psa_tls12_prf_key_derivation_t *prf,
+ psa_algorithm_t hash_alg,
+ const uint8_t *data,
+ size_t data_length )
+{
+ psa_status_t status;
+ if( prf->state != TLS12_PRF_STATE_SEED_SET )
+ return( PSA_ERROR_BAD_STATE );
+
+ status = psa_hmac_setup_internal( &prf->hmac, data, data_length, hash_alg );
+ if( status != PSA_SUCCESS )
+ return( status );
+
+ prf->state = TLS12_PRF_STATE_KEY_SET;
+
+ return( PSA_SUCCESS );
+}
+
static psa_status_t psa_tls12_prf_input( psa_tls12_prf_key_derivation_t *prf,
psa_algorithm_t hash_alg,
psa_key_derivation_step_t step,
const uint8_t *data,
size_t data_length )
{
- (void) hash_alg;
-
switch( step )
{
case PSA_KEY_DERIVATION_INPUT_SEED:
return( psa_tls12_prf_set_seed( prf, data, data_length ) );
+ case PSA_KEY_DERIVATION_INPUT_SECRET:
+ return( psa_tls12_prf_set_key( prf, hash_alg, data, data_length ) );
default:
return( PSA_ERROR_INVALID_ARGUMENT );
}
