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Move PSA storage cleanup out of the slot_management test suite

Browse Source 
Merge the two identical definitions of TEST_USES_KEY_ID and
mbedtls_test_psa_purge_key_storage from
test_suite_psa_crypto_slot_management.function and
test_suite_psa_crypto_se_driver_hal.function into a single copy in
common test code so that it can be used in all test suites.

No semantic change.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-02-14 12:51:14 +01:00
parent b9ad79417d
commit 313ffb8f90
4 changed files with 52 additions and 81 deletions
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13
tests/include/test/psa_crypto_helpers.h
View File

@ -34,6 +34,19 @@
#include "mbedtls/psa_util.h"
#endif
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
/* All test functions that create persistent keys must call
* `TEST_USES_KEY_ID( key_id )` before creating a persistent key with this
* identifier, and must call psa_purge_key_storage() in their cleanup
* code. */
int mbedtls_test_uses_key_id( mbedtls_svc_key_id_t key_id );
void mbedtls_test_psa_purge_key_storage( void );
#define TEST_USES_KEY_ID( key_id ) \
TEST_ASSERT( mbedtls_test_uses_key_id( key_id ) )
#else /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
#define TEST_USES_KEY_ID( key_id ) ( (void) ( key_id ) )
#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
#define PSA_INIT( ) PSA_ASSERT( psa_crypto_init( ) )
/** Check for things that have not been cleaned up properly in the

39
tests/src/psa_crypto_helpers.c
View File

@ -28,6 +28,45 @@
#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;
/* Record a key id as potentially used in a test case. */
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 );
}
/* Destroy all key ids that may have been created by the current test case. */
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;
}
#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
const char *mbedtls_test_helper_is_psa_leaking( void )
{
mbedtls_psa_stats_t stats;

36
tests/suites/test_suite_psa_crypto_se_driver_hal.function
View File

@ -767,42 +767,6 @@ exit:
return( ok );
}
static mbedtls_svc_key_id_t key_ids_used_in_test[9];
static size_t num_key_ids_used;
/* Record a key id as potentially used in a test case. */
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 );
}
#define TEST_USES_KEY_ID( key_id ) \
TEST_ASSERT( mbedtls_test_uses_key_id( key_id ) )
/* Destroy all key ids that may have been created by the current test case. */
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;
}
static void psa_purge_storage( void )
{
psa_key_location_t location;

45
tests/suites/test_suite_psa_crypto_slot_management.function
View File

@ -43,51 +43,6 @@ typedef enum
INVALID_HANDLE_HUGE,
} invalid_handle_construction_t;
/* All test functions that create persistent keys must call
* `TEST_USES_KEY_ID( key_id )` before creating a persistent key with this
* identifier, and must call psa_purge_key_storage() in their cleanup
* code. */
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
static mbedtls_svc_key_id_t key_ids_used_in_test[9];
static size_t num_key_ids_used;
/* Record a key id as potentially used in a test case. */
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 );
}
#define TEST_USES_KEY_ID( key_id ) \
TEST_ASSERT( mbedtls_test_uses_key_id( key_id ) )
/* Destroy all key ids that may have been created by the current test case. */
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;
}
#else
#define TEST_USES_KEY_ID( key_id ) ( (void) ( key_id ) )
#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
/** Apply \p invalidate_method to invalidate the specified key:
* close it, destroy it, or do nothing;
*/