| /* |
| * PSA crypto client code |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "common.h" |
| #include "psa_crypto_service_integration.h" |
| #include "psa/crypto.h" |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_CLIENT) |
| |
| #include <string.h> |
| #include "mbedtls/platform.h" |
| #if !defined(MBEDTLS_PLATFORM_C) |
| #define mbedtls_calloc calloc |
| #define mbedtls_free free |
| #endif |
| |
| void psa_reset_key_attributes( psa_key_attributes_t *attributes ) |
| { |
| mbedtls_free( attributes->domain_parameters ); |
| memset( attributes, 0, sizeof( *attributes ) ); |
| } |
| |
| psa_status_t psa_set_key_domain_parameters( psa_key_attributes_t *attributes, |
| psa_key_type_t type, |
| const uint8_t *data, |
| size_t data_length ) |
| { |
| uint8_t *copy = NULL; |
| |
| if( data_length != 0 ) |
| { |
| copy = mbedtls_calloc( 1, data_length ); |
| if( copy == NULL ) |
| return( PSA_ERROR_INSUFFICIENT_MEMORY ); |
| memcpy( copy, data, data_length ); |
| } |
| /* After this point, this function is guaranteed to succeed, so it |
| * can start modifying `*attributes`. */ |
| |
| if( attributes->domain_parameters != NULL ) |
| { |
| mbedtls_free( attributes->domain_parameters ); |
| attributes->domain_parameters = NULL; |
| attributes->domain_parameters_size = 0; |
| } |
| |
| attributes->domain_parameters = copy; |
| attributes->domain_parameters_size = data_length; |
| attributes->core.type = type; |
| return( PSA_SUCCESS ); |
| } |
| |
| psa_status_t psa_get_key_domain_parameters( |
| const psa_key_attributes_t *attributes, |
| uint8_t *data, size_t data_size, size_t *data_length ) |
| { |
| if( attributes->domain_parameters_size > data_size ) |
| return( PSA_ERROR_BUFFER_TOO_SMALL ); |
| *data_length = attributes->domain_parameters_size; |
| if( attributes->domain_parameters_size != 0 ) |
| memcpy( data, attributes->domain_parameters, |
| attributes->domain_parameters_size ); |
| return( PSA_SUCCESS ); |
| } |
| |
| #endif /* MBEDTLS_PSA_CRYPTO_CLIENT */ |