blob: 299b6d125da6a4b02d60dd91550efa46c6242863 [file] [log] [blame]
/** \file psa_crypto_helpers.c
*
* \brief Helper functions to test PSA crypto functionality.
*/
/*
* 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 <test/helpers.h>
#include <test/macros.h>
#include <psa_crypto_slot_management.h>
#include <test/psa_crypto_helpers.h>
#if defined(MBEDTLS_PSA_CRYPTO_C)
#include <psa/crypto.h>
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
#include <psa_crypto_storage.h>
static mbedtls_svc_key_id_t key_ids_used_in_test[9];
static size_t num_key_ids_used;
int mbedtls_test_uses_key_id( mbedtls_svc_key_id_t key_id )
{
size_t i;
if( MBEDTLS_SVC_KEY_ID_GET_KEY_ID( key_id ) >
PSA_MAX_PERSISTENT_KEY_IDENTIFIER )
{
/* Don't touch key id values that designate non-key files. */
return( 1 );
}
for( i = 0; i < num_key_ids_used ; i++ )
{
if( mbedtls_svc_key_id_equal( key_id, key_ids_used_in_test[i] ) )
return( 1 );
}
if( num_key_ids_used == ARRAY_LENGTH( key_ids_used_in_test ) )
return( 0 );
key_ids_used_in_test[num_key_ids_used] = key_id;
++num_key_ids_used;
return( 1 );
}
void mbedtls_test_psa_purge_key_storage( void )
{
size_t i;
for( i = 0; i < num_key_ids_used; i++ )
psa_destroy_persistent_key( key_ids_used_in_test[i] );
num_key_ids_used = 0;
}
void mbedtls_test_psa_purge_key_cache( void )
{
size_t i;
for( i = 0; i < num_key_ids_used; i++ )
psa_purge_key( key_ids_used_in_test[i] );
}
#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
const char *mbedtls_test_helper_is_psa_leaking( void )
{
mbedtls_psa_stats_t stats;
mbedtls_psa_get_stats( &stats );
if( stats.volatile_slots != 0 )
return( "A volatile slot has not been closed properly." );
if( stats.persistent_slots != 0 )
return( "A persistent slot has not been closed properly." );
if( stats.external_slots != 0 )
return( "An external slot has not been closed properly." );
if( stats.half_filled_slots != 0 )
return( "A half-filled slot has not been cleared properly." );
if( stats.locked_slots != 0 )
return( "Some slots are still marked as locked." );
return( NULL );
}
#if defined(RECORD_PSA_STATUS_COVERAGE_LOG)
/** Name of the file where return statuses are logged by #RECORD_STATUS. */
#define STATUS_LOG_FILE_NAME "statuses.log"
psa_status_t mbedtls_test_record_status( psa_status_t status,
const char *func,
const char *file, int line,
const char *expr )
{
/* We open the log file on first use.
* We never close the log file, so the record_status feature is not
* compatible with resource leak detectors such as Asan.
*/
static FILE *log;
if( log == NULL )
log = fopen( STATUS_LOG_FILE_NAME, "a" );
fprintf( log, "%d:%s:%s:%d:%s\n", (int) status, func, file, line, expr );
return( status );
}
#endif /* defined(RECORD_PSA_STATUS_COVERAGE_LOG) */
psa_key_usage_t mbedtls_test_update_key_usage_flags( psa_key_usage_t usage_flags )
{
psa_key_usage_t updated_usage = usage_flags;
if( usage_flags & PSA_KEY_USAGE_SIGN_HASH )
updated_usage |= PSA_KEY_USAGE_SIGN_MESSAGE;
if( usage_flags & PSA_KEY_USAGE_VERIFY_HASH )
updated_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
return( updated_usage );
}
#endif /* MBEDTLS_PSA_CRYPTO_C */