#include "common.h"
#include <mcuxClToolchain.h>
#include <stdbool.h>
#include <mcuxClCore_Examples.h>
static const uint8_t PublicExp[] __attribute__ ((aligned (4))) =
{
0x01, 0x00, 0x01
};
#define LIFETIME_INTERNAL PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(PSA_KEY_LIFETIME_VOLATILE, PSA_KEY_LOCATION_EXTERNAL_STORAGE)
#define LIFETIME_EXTERNAL PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(PSA_KEY_LIFETIME_VOLATILE, PSA_KEY_LOCATION_LOCAL_STORAGE)
bool mcuxClPsaDriver_keygen_export_public_key_rsa_example(void)
{
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
psa_key_attributes_t attributes = {
.core = {
.type = PSA_KEY_TYPE_RSA_KEY_PAIR,
.lifetime = LIFETIME_EXTERNAL,
.id = 0U,
.policy = {
.usage = PSA_ALG_NONE,
.alg = PSA_ALG_NONE,
.alg2 = PSA_ALG_NONE},
.flags = 0U},
.domain_parameters = (uint8_t*)PublicExp,
.domain_parameters_size = sizeof(PublicExp)};
uint8_t key_buffer[PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(2048u)] = {0U};
size_t key_buffer_size = PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(2048u);
size_t key_buffer_length = 0U;
psa_status_t status = psa_driver_wrapper_generate_key(
&attributes,
(uint8_t *)&key_buffer, key_buffer_size, &key_buffer_length );
if(status != PSA_SUCCESS)
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
if(key_buffer_length > PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(2048u))
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
uint8_t data[PSA_EXPORT_KEY_OUTPUT_SIZE(PSA_KEY_TYPE_RSA_PUBLIC_KEY,
MCUXCLKEY_SIZE_2048)] = {0U};
size_t data_size = PSA_EXPORT_KEY_OUTPUT_SIZE(PSA_KEY_TYPE_RSA_PUBLIC_KEY,
MCUXCLKEY_SIZE_2048);
size_t data_length = 0U;
attributes.core.policy.usage = PSA_KEY_USAGE_EXPORT;
status = psa_driver_wrapper_export_public_key(
&attributes,
key_buffer, key_buffer_size,
data, data_size, &data_length);
if(status != PSA_SUCCESS)
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
if(data_length > data_size)
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
{
return MCUXCLEXAMPLE_STATUS_ERROR;
}
return MCUXCLEXAMPLE_STATUS_OK;
}