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mbedtls/tests/suites/test_suite_psa_crypto_persistent_key.function
Ronald Cron 02c78b7825 tests: Create an include folder 
Create an include folder dedicated to include files for
tests. With the upcoming work on tests for PSA crypto
drivers the number of includes specific to tests is going
to increase significantly thus create a dedicated folder.

Don't put the include files in the include folder but in
include/test folder. This way test headers can be included
using a test/* path pattern as mbedtls and psa headers
are included using an mbedtls/* and psa/* path pattern.
This makes explicit the scope of the test headers.

Move the existing includes for tests into include/test and
update the code and build systems (make and cmake)
accordingly.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
2020-06-10 16:03:05 +02:00

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/* BEGIN_HEADER */
/* The tests in this module verify the contents of key store files. They
* access internal key storage functions directly. Some of the tests depend
* on the the storage format. On the other hand, these tests treat the storage
* subsystem as a black box, and in particular have no reliance on the
* internals of the ITS implementation.
*/
#include <stdint.h>
#include "test/psa_crypto_helpers.h"
#include "psa_crypto_storage.h"
#include "mbedtls/md.h"
#define PSA_KEY_STORAGE_MAGIC_HEADER "PSA\0KEY"
#define PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH ( sizeof( PSA_KEY_STORAGE_MAGIC_HEADER ) )
/* Enforce the storage format for keys. The storage format is not a public
* documented interface, but it must be preserved between versions so that
* upgrades work smoothly, so it's a stable interface nonetheless.
*/
typedef struct {
uint8_t magic[PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH];
uint8_t version[4];
uint8_t lifetime[sizeof( psa_key_lifetime_t )];
uint8_t type[4];
uint8_t policy[sizeof( psa_key_policy_t )];
uint8_t data_len[4];
uint8_t key_data[];
} psa_persistent_key_storage_format;
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_PSA_CRYPTO_STORAGE_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void format_storage_data_check( data_t *key_data,
data_t *expected_file_data,
int key_lifetime, int key_type,
int key_usage, int key_alg, int key_alg2 )
{
uint8_t *file_data = NULL;
size_t file_data_length =
key_data->len + sizeof( psa_persistent_key_storage_format );
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_set_key_lifetime( &attributes, key_lifetime );
psa_set_key_type( &attributes, key_type );
psa_set_key_usage_flags( &attributes, key_usage );
psa_set_key_algorithm( &attributes, key_alg );
psa_set_key_enrollment_algorithm( &attributes, key_alg2 );
ASSERT_ALLOC( file_data, file_data_length );
psa_format_key_data_for_storage( key_data->x, key_data->len,
&attributes.core,
file_data );
ASSERT_COMPARE( expected_file_data->x, expected_file_data->len,
file_data, file_data_length );
exit:
mbedtls_free( file_data );
}
/* END_CASE */
/* BEGIN_CASE */
void parse_storage_data_check( data_t *file_data,
data_t *expected_key_data,
int expected_key_lifetime,
int expected_key_type,
int expected_key_usage,
int expected_key_alg,
int expected_key_alg2,
int expected_status )
{
uint8_t *key_data = NULL;
size_t key_data_length = 0;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_status_t status;
status = psa_parse_key_data_from_storage( file_data->x, file_data->len,
&key_data, &key_data_length,
&attributes.core );
TEST_EQUAL( status, expected_status );
if( status != PSA_SUCCESS )
goto exit;
TEST_EQUAL( psa_get_key_lifetime( &attributes ),
(psa_key_type_t) expected_key_lifetime );
TEST_EQUAL( psa_get_key_type( &attributes ),
(psa_key_type_t) expected_key_type );
TEST_EQUAL( psa_get_key_usage_flags( &attributes ),
(uint32_t) expected_key_usage );
TEST_EQUAL( psa_get_key_algorithm( &attributes ),
(uint32_t) expected_key_alg );
TEST_EQUAL( psa_get_key_enrollment_algorithm( &attributes ),
(uint32_t) expected_key_alg2 );
ASSERT_COMPARE( expected_key_data->x, expected_key_data->len,
key_data, key_data_length );
exit:
mbedtls_free( key_data );
}
/* END_CASE */
/* BEGIN_CASE */
void save_large_persistent_key( int data_length_arg, int expected_status )
{
psa_key_id_t key_id = 42;
psa_key_handle_t handle = 0;
uint8_t *data = NULL;
size_t data_length = data_length_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
ASSERT_ALLOC( data, data_length );
PSA_ASSERT( psa_crypto_init() );
psa_set_key_id( &attributes, key_id );
psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA );
TEST_EQUAL( psa_import_key( &attributes, data, data_length, &handle ),
expected_status );
if( expected_status == PSA_SUCCESS )
PSA_ASSERT( psa_destroy_key( handle ) );
exit:
mbedtls_free( data );
PSA_DONE();
psa_destroy_persistent_key( key_id );
}
/* END_CASE */
/* BEGIN_CASE */
void persistent_key_destroy( int key_id_arg, int restart,
int first_type_arg, data_t *first_data,
int second_type_arg, data_t *second_data )
{
psa_key_id_t key_id = key_id_arg;
psa_key_handle_t handle = 0;
psa_key_type_t first_type = (psa_key_type_t) first_type_arg;
psa_key_type_t second_type = (psa_key_type_t) second_type_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
PSA_ASSERT( psa_crypto_init() );
psa_set_key_id( &attributes, key_id );
psa_set_key_type( &attributes, first_type );
PSA_ASSERT( psa_import_key( &attributes, first_data->x, first_data->len,
&handle ) );
if( restart )
{
psa_close_key( handle );
PSA_DONE();
PSA_ASSERT( psa_crypto_init() );
PSA_ASSERT( psa_open_key( key_id, &handle ) );
}
TEST_EQUAL( psa_is_key_present_in_storage( key_id ), 1 );
/* Destroy the key */
PSA_ASSERT( psa_destroy_key( handle ) );
/* Check key slot storage is removed */
TEST_EQUAL( psa_is_key_present_in_storage( key_id ), 0 );
TEST_EQUAL( psa_open_key( key_id, &handle ), PSA_ERROR_DOES_NOT_EXIST );
TEST_EQUAL( handle, 0 );
/* Shutdown and restart */
PSA_DONE();
PSA_ASSERT( psa_crypto_init() );
/* Create another key in the same slot */
psa_set_key_id( &attributes, key_id );
psa_set_key_type( &attributes, second_type );
PSA_ASSERT( psa_import_key( &attributes, second_data->x, second_data->len,
&handle ) );
PSA_ASSERT( psa_destroy_key( handle ) );
exit:
PSA_DONE();
psa_destroy_persistent_key( key_id );
}
/* END_CASE */
/* BEGIN_CASE */
void persistent_key_import( int key_id_arg, int type_arg, data_t *data,
int restart, int expected_status )
{
psa_key_id_t key_id = (psa_key_id_t) key_id_arg;
psa_key_type_t type = (psa_key_type_t) type_arg;
psa_key_handle_t handle = 0;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
PSA_ASSERT( psa_crypto_init() );
psa_set_key_id( &attributes, key_id );
psa_set_key_type( &attributes, type );
TEST_EQUAL( psa_import_key( &attributes, data->x, data->len, &handle ),
expected_status );
if( expected_status != PSA_SUCCESS )
{
TEST_EQUAL( psa_is_key_present_in_storage( key_id ), 0 );
goto exit;
}
if( restart )
{
psa_close_key( handle );
PSA_DONE();
PSA_ASSERT( psa_crypto_init() );
PSA_ASSERT( psa_open_key( key_id, &handle ) );
}
psa_reset_key_attributes( &attributes );
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
TEST_EQUAL( psa_get_key_id( &attributes ), key_id );
TEST_EQUAL( psa_get_key_lifetime( &attributes ),
PSA_KEY_LIFETIME_PERSISTENT );
TEST_EQUAL( psa_get_key_type( &attributes ), type );
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), 0 );
TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 );
PSA_ASSERT( psa_destroy_key( handle ) );
exit:
psa_reset_key_attributes( &attributes );
psa_destroy_persistent_key( key_id );
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void import_export_persistent_key( data_t *data, int type_arg,
int expected_bits,
int restart, int key_not_exist )
{
psa_key_id_t key_id = 42;
psa_key_type_t type = (psa_key_type_t) type_arg;
psa_key_handle_t handle = 0;
unsigned char *exported = NULL;
size_t export_size = data->len;
size_t exported_length;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
ASSERT_ALLOC( exported, export_size );
PSA_ASSERT( psa_crypto_init( ) );
psa_set_key_id( &attributes, key_id );
psa_set_key_type( &attributes, type );
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT );
/* Import the key */
PSA_ASSERT( psa_import_key( &attributes, data->x, data->len, &handle ) );
if( restart )
{
psa_close_key( handle );
PSA_DONE();
PSA_ASSERT( psa_crypto_init() );
PSA_ASSERT( psa_open_key( key_id, &handle ) );
}
/* Test the key information */
psa_reset_key_attributes( &attributes );
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
TEST_EQUAL( psa_get_key_id( &attributes ), key_id );
TEST_EQUAL( psa_get_key_lifetime( &attributes ),
PSA_KEY_LIFETIME_PERSISTENT );
TEST_EQUAL( psa_get_key_type( &attributes ), type );
TEST_EQUAL( psa_get_key_bits( &attributes ), (size_t) expected_bits );
TEST_EQUAL( psa_get_key_usage_flags( &attributes ), PSA_KEY_USAGE_EXPORT );
TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 );
TEST_EQUAL( psa_is_key_present_in_storage( key_id ), 1 );
if( key_not_exist )
{
psa_destroy_persistent_key( key_id );
}
/* Export the key */
PSA_ASSERT( psa_export_key( handle, exported, export_size,
&exported_length ) );
ASSERT_COMPARE( data->x, data->len, exported, exported_length );
/* Destroy the key */
PSA_ASSERT( psa_destroy_key( handle ) );
TEST_EQUAL( psa_is_key_present_in_storage( key_id ), 0 );
exit:
psa_reset_key_attributes( &attributes );
mbedtls_free( exported );
PSA_DONE( );
psa_destroy_persistent_key( key_id );
}
/* END_CASE */
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