Tactility/libs/mbedtls/library/psa_crypto_client.c
Ken Van Hoeylandt a94baf0d00
Support for PC platform (#12)
* improvements for cross-platform compiling

* moved tactility-core to libs/

* splitup improvements

* remove git/gitmodules from freertos

* better platformbetter platform checks

* added build scripts

* delete mbedtls

* re-add mbedtls

* fixes and improvements

* added pc build

* simplify build scripts

* revert build scrpit

* updated builds

* fix for pc

* fix for pc

* fix for build
2024-01-19 17:39:30 +01:00

73 lines
2.1 KiB
C

/*
* PSA crypto client code
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#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 == NULL &&
attributes->domain_parameters_size == SIZE_MAX) {
return PSA_ERROR_NOT_SUPPORTED;
}
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 */