mirror of
https://github.com/cuberite/polarssl.git
synced 2025-11-04 04:32:24 -05:00
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
|
|
* 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.h"
|
|
|
|
#if defined(MBEDTLS_PSA_CRYPTO_CLIENT)
|
|
|
|
#include <string.h>
|
|
#include "mbedtls/platform.h"
|
|
|
|
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 */
|