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psa: Move PSA client code

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2021-01-28 16:36:00 +01:00
parent d7906327ca
commit 21b5616ea3
2 changed files with 56 additions and 49 deletions
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49
library/psa_crypto.c
View file

@ -1502,55 +1502,6 @@ exit:
return( overall_status ); return( overall_status );
} }
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 );
}
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \ #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY) defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY)
static psa_status_t psa_get_rsa_public_exponent( static psa_status_t psa_get_rsa_public_exponent(

56
library/psa_crypto_client.c
View file

@ -25,4 +25,60 @@
#include "psa_crypto_service_integration.h" #include "psa_crypto_service_integration.h"
#include "psa/crypto.h" #include "psa/crypto.h"
#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 || MBEDTLS_PSA_CRYPTO_C */ #endif /* MBEDTLS_PSA_CRYPTO_CLIENT || MBEDTLS_PSA_CRYPTO_C */