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mbedtls/tests/suites/test_suite_psa_crypto_slot_management.function
Gilles Peskine 705cbfd802 Enrollment algorithm in policy: add support in psa_copy_key tests 
Add parameters to psa_copy_key tests for the enrollment algorithm (alg2).

This commit only tests with alg2=0, which is equivalent to not setting
an enrollment algorithm.
2019-05-21 18:31:59 +02:00

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/* BEGIN_HEADER */
#include <stdint.h>
#if defined(MBEDTLS_PSA_CRYPTO_SPM)
#include "spm/psa_defs.h"
#endif
#include "psa/crypto.h"
#include "psa_crypto_storage.h"
typedef enum
{
CLOSE_BY_CLOSE,
CLOSE_BY_DESTROY,
CLOSE_BY_SHUTDOWN,
} close_method_t;
typedef enum
{
KEEP_OPEN,
CLOSE_BEFORE,
CLOSE_AFTER,
} reopen_policy_t;
/* All test functions that create persistent keys must call
* `TEST_MAX_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)
/* There is no API to purge all keys. For this test suite, require that
* all key IDs be less than a certain maximum, or a well-known value
* which corresponds to a file that does not contain a key. */
#define MAX_KEY_ID_FOR_TEST 32
#define KEY_ID_IS_WELL_KNOWN( key_id ) \
( ( key_id ) == PSA_CRYPTO_ITS_RANDOM_SEED_UID )
#define TEST_MAX_KEY_ID( key_id ) \
TEST_ASSERT( ( key_id ) <= MAX_KEY_ID_FOR_TEST || \
KEY_ID_IS_WELL_KNOWN( key_id ) )
void psa_purge_key_storage( void )
{
psa_key_id_t i;
/* The tests may have potentially created key ids from 1 to
* MAX_KEY_ID_FOR_TEST. In addition, run the destroy function on key id
* 0, which file-based storage uses as a temporary file. */
for( i = 0; i <= MAX_KEY_ID_FOR_TEST; i++ )
psa_destroy_persistent_key( i );
}
#else
#define TEST_MAX_KEY_ID( key_id ) ( (void) ( key_id ) )
#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
static int psa_key_policy_equal( psa_key_policy_t *p1,
psa_key_policy_t *p2 )
{
return( psa_key_policy_get_usage( p1 ) == psa_key_policy_get_usage( p2 ) &&
psa_key_policy_get_algorithm( p1 ) == psa_key_policy_get_algorithm( p2 ) );
}
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_PSA_CRYPTO_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void transient_slot_lifecycle( int usage_arg, int alg_arg,
int type_arg, data_t *key_data,
int close_method_arg )
{
psa_algorithm_t alg = alg_arg;
psa_key_usage_t usage_flags = usage_arg;
psa_key_type_t type = type_arg;
close_method_t close_method = close_method_arg;
psa_key_type_t read_type;
psa_key_handle_t handle = 0;
psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
PSA_ASSERT( psa_crypto_init( ) );
/* Get a handle and import a key. */
PSA_ASSERT( psa_allocate_key( &handle ) );
TEST_ASSERT( handle != 0 );
psa_key_policy_set_usage( &policy, usage_flags, alg );
PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
PSA_ASSERT( psa_import_key( handle, type, key_data->x, key_data->len ) );
PSA_ASSERT( psa_get_key_information( handle, &read_type, NULL ) );
TEST_EQUAL( read_type, type );
/* Do something that invalidates the handle. */
switch( close_method )
{
case CLOSE_BY_CLOSE:
PSA_ASSERT( psa_close_key( handle ) );
break;
case CLOSE_BY_DESTROY:
PSA_ASSERT( psa_destroy_key( handle ) );
break;
case CLOSE_BY_SHUTDOWN:
mbedtls_psa_crypto_free( );
PSA_ASSERT( psa_crypto_init( ) );
break;
}
/* Test that the handle is now invalid. */
TEST_EQUAL( psa_get_key_information( handle, &read_type, NULL ),
PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_close_key( handle ), PSA_ERROR_INVALID_HANDLE );
exit:
mbedtls_psa_crypto_free( );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */
void persistent_slot_lifecycle( int lifetime_arg, int id_arg,
int usage_arg, int alg_arg, int alg2_arg,
int type_arg, data_t *key_data,
int close_method_arg )
{
psa_key_lifetime_t lifetime = lifetime_arg;
psa_key_id_t id = id_arg;
psa_algorithm_t alg = alg_arg;
psa_algorithm_t alg2 = alg2_arg;
psa_key_usage_t usage_flags = usage_arg;
psa_key_type_t type = type_arg;
size_t bits;
close_method_t close_method = close_method_arg;
psa_key_type_t read_type;
size_t read_bits;
psa_key_handle_t handle = 0;
psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
psa_key_policy_t read_policy = PSA_KEY_POLICY_INIT;
uint8_t *reexported = NULL;
size_t reexported_length = -1;
TEST_MAX_KEY_ID( id );
PSA_ASSERT( psa_crypto_init( ) );
/* Get a handle and import a key. */
PSA_ASSERT( psa_create_key( lifetime, id, &handle ) );
TEST_ASSERT( handle != 0 );
psa_key_policy_set_usage( &policy, usage_flags, alg );
psa_key_policy_set_enrollment_algorithm( &policy, alg2 );
PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
PSA_ASSERT( psa_import_key( handle, type, key_data->x, key_data->len ) );
PSA_ASSERT( psa_get_key_information( handle, &read_type, &bits ) );
TEST_EQUAL( read_type, type );
/* Close the key and reopen it. */
PSA_ASSERT( psa_close_key( handle ) );
PSA_ASSERT( psa_open_key( lifetime, id, &handle ) );
PSA_ASSERT( psa_get_key_information( handle, &read_type, NULL ) );
TEST_EQUAL( read_type, type );
/* Do something that invalidates the handle. */
switch( close_method )
{
case CLOSE_BY_CLOSE:
PSA_ASSERT( psa_close_key( handle ) );
break;
case CLOSE_BY_DESTROY:
PSA_ASSERT( psa_destroy_key( handle ) );
break;
case CLOSE_BY_SHUTDOWN:
mbedtls_psa_crypto_free( );
PSA_ASSERT( psa_crypto_init( ) );
break;
}
/* Test that the handle is now invalid. */
TEST_EQUAL( psa_get_key_information( handle, &read_type, NULL ),
PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_close_key( handle ), PSA_ERROR_INVALID_HANDLE );
/* Try to reopen the key. If we destroyed it, check that it doesn't
* exist. Otherwise check that it still exists and has the expected
* content. */
switch( close_method )
{
case CLOSE_BY_CLOSE:
case CLOSE_BY_SHUTDOWN:
PSA_ASSERT( psa_open_key( lifetime, id, &handle ) );
PSA_ASSERT( psa_get_key_policy( handle, &read_policy ) );
PSA_ASSERT( psa_get_key_information( handle,
&read_type, &read_bits ) );
TEST_EQUAL( read_type, type );
TEST_EQUAL( read_bits, bits );
TEST_EQUAL( psa_key_policy_get_usage( &read_policy ), usage_flags );
TEST_EQUAL( psa_key_policy_get_algorithm( &read_policy ), alg );
TEST_EQUAL( psa_key_policy_get_enrollment_algorithm( &read_policy ),
alg2 );
if( policy.usage & PSA_KEY_USAGE_EXPORT )
{
ASSERT_ALLOC( reexported, key_data->len );
PSA_ASSERT( psa_export_key( handle,
reexported, key_data->len,
&reexported_length ) );
ASSERT_COMPARE( key_data->x, key_data->len,
reexported, reexported_length );
}
else
{
TEST_EQUAL( psa_export_key( handle,
reexported, sizeof( reexported ),
&reexported_length ),
PSA_ERROR_NOT_PERMITTED );
}
break;
case CLOSE_BY_DESTROY:
TEST_EQUAL( psa_open_key( lifetime, id, &handle ),
PSA_ERROR_DOES_NOT_EXIST );
break;
}
exit:
mbedtls_psa_crypto_free( );
psa_purge_key_storage( );
mbedtls_free( reexported );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */
void create_existent( int lifetime_arg, int id_arg,
int reopen_policy_arg )
{
psa_key_lifetime_t lifetime = lifetime_arg;
psa_key_id_t id = id_arg;
psa_key_handle_t handle1 = 0, handle2 = 0;
psa_key_policy_t policy1 = PSA_KEY_POLICY_INIT;
psa_key_policy_t read_policy = PSA_KEY_POLICY_INIT;
psa_key_type_t type1 = PSA_KEY_TYPE_RAW_DATA;
psa_key_type_t read_type;
const uint8_t material1[16] = "test material #1";
size_t bits1 = PSA_BYTES_TO_BITS( sizeof( material1 ) );
size_t read_bits;
uint8_t reexported[sizeof( material1 )];
size_t reexported_length;
reopen_policy_t reopen_policy = reopen_policy_arg;
TEST_MAX_KEY_ID( id );
PSA_ASSERT( psa_crypto_init( ) );
/* Create a key. */
PSA_ASSERT( psa_create_key( lifetime, id, &handle1 ) );
TEST_ASSERT( handle1 != 0 );
psa_key_policy_set_usage( &policy1, PSA_KEY_USAGE_EXPORT, 0 );
PSA_ASSERT( psa_set_key_policy( handle1, &policy1 ) );
PSA_ASSERT( psa_import_key( handle1, type1,
material1, sizeof( material1 ) ) );
if( reopen_policy == CLOSE_BEFORE )
PSA_ASSERT( psa_close_key( handle1 ) );
/* Attempt to create a new key in the same slot. */
TEST_EQUAL( psa_create_key( lifetime, id, &handle2 ),
PSA_ERROR_ALREADY_EXISTS );
TEST_EQUAL( handle2, 0 );
if( reopen_policy == CLOSE_AFTER )
PSA_ASSERT( psa_close_key( handle1 ) );
if( reopen_policy == CLOSE_BEFORE || reopen_policy == CLOSE_AFTER )
PSA_ASSERT( psa_open_key( lifetime, id, &handle1 ) );
/* Check that the original key hasn't changed. */
PSA_ASSERT( psa_get_key_policy( handle1, &read_policy ) );
TEST_ASSERT( psa_key_policy_equal( &read_policy, &policy1 ) );
PSA_ASSERT( psa_get_key_information( handle1, &read_type, &read_bits ) );
TEST_EQUAL( read_type, type1 );
TEST_EQUAL( read_bits, bits1 );
PSA_ASSERT( psa_export_key( handle1,
reexported, sizeof( reexported ),
&reexported_length ) );
ASSERT_COMPARE( material1, sizeof( material1 ),
reexported, reexported_length );
exit:
mbedtls_psa_crypto_free( );
psa_purge_key_storage( );
}
/* END_CASE */
/* BEGIN_CASE */
void open_fail( int lifetime_arg, int id_arg,
int expected_status_arg )
{
psa_key_lifetime_t lifetime = lifetime_arg;
psa_key_id_t id = id_arg;
psa_status_t expected_status = expected_status_arg;
psa_key_handle_t handle = 0xdead;
PSA_ASSERT( psa_crypto_init( ) );
TEST_EQUAL( psa_open_key( lifetime, id, &handle ), expected_status );
TEST_EQUAL( handle, 0 );
exit:
mbedtls_psa_crypto_free( );
}
/* END_CASE */
/* BEGIN_CASE */
void create_fail( int lifetime_arg, int id_arg,
int expected_status_arg )
{
psa_key_lifetime_t lifetime = lifetime_arg;
psa_key_id_t id = id_arg;
psa_status_t expected_status = expected_status_arg;
psa_key_handle_t handle = 0xdead;
TEST_MAX_KEY_ID( id );
PSA_ASSERT( psa_crypto_init( ) );
TEST_EQUAL( psa_create_key( lifetime, id, &handle ),
expected_status );
TEST_EQUAL( handle, 0 );
exit:
mbedtls_psa_crypto_free( );
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
psa_purge_key_storage( );
#endif
}
/* END_CASE */
/* BEGIN_CASE */
void copy_across_lifetimes( int source_lifetime_arg, int source_id_arg,
int source_usage_arg,
int source_alg_arg, int source_alg2_arg,
int type_arg, data_t *material,
int target_lifetime_arg, int target_id_arg,
int target_usage_arg,
int target_alg_arg, int target_alg2_arg,
int expected_usage_arg,
int expected_alg_arg, int expected_alg2_arg )
{
psa_key_lifetime_t source_lifetime = source_lifetime_arg;
psa_key_id_t source_id = source_id_arg;
psa_key_usage_t source_usage = source_usage_arg;
psa_algorithm_t source_alg = source_alg_arg;
psa_algorithm_t source_alg2 = source_alg2_arg;
psa_key_handle_t source_handle = 0;
psa_key_policy_t source_policy = PSA_KEY_POLICY_INIT;
psa_key_type_t source_type = type_arg;
size_t source_bits;
psa_key_lifetime_t target_lifetime = target_lifetime_arg;
psa_key_id_t target_id = target_id_arg;
psa_key_usage_t target_usage = target_usage_arg;
psa_algorithm_t target_alg = target_alg_arg;
psa_algorithm_t target_alg2 = target_alg2_arg;
psa_key_handle_t target_handle = 0;
psa_key_policy_t target_policy = PSA_KEY_POLICY_INIT;
psa_key_type_t target_type;
size_t target_bits;
psa_key_usage_t expected_usage = expected_usage_arg;
psa_algorithm_t expected_alg = expected_alg_arg;
psa_algorithm_t expected_alg2 = expected_alg2_arg;
uint8_t *export_buffer = NULL;
TEST_MAX_KEY_ID( source_id );
TEST_MAX_KEY_ID( target_id );
PSA_ASSERT( psa_crypto_init( ) );
/* Populate the source slot. */
if( source_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &source_handle ) );
else
PSA_ASSERT( psa_create_key( source_lifetime, source_id,
&source_handle ) );
psa_key_policy_set_usage( &source_policy, source_usage, source_alg );
psa_key_policy_set_enrollment_algorithm( &source_policy, source_alg2 );
PSA_ASSERT( psa_set_key_policy( source_handle, &source_policy ) );
PSA_ASSERT( psa_import_key( source_handle, source_type,
material->x, material->len ) );
PSA_ASSERT( psa_get_key_information( source_handle, NULL, &source_bits ) );
/* Prepare the target slot. */
if( target_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &target_handle ) );
else
PSA_ASSERT( psa_create_key( target_lifetime, target_id,
&target_handle ) );
psa_key_policy_set_usage( &target_policy, target_usage, target_alg );
psa_key_policy_set_enrollment_algorithm( &target_policy, target_alg2 );
PSA_ASSERT( psa_set_key_policy( target_handle, &target_policy ) );
target_policy = psa_key_policy_init();
/* Copy the key. */
PSA_ASSERT( psa_copy_key( source_handle, target_handle, NULL ) );
/* Destroy the source to ensure that this doesn't affect the target. */
PSA_ASSERT( psa_destroy_key( source_handle ) );
/* If the target key is persistent, restart the system to make
* sure that the material is still alive. */
if( target_lifetime != PSA_KEY_LIFETIME_VOLATILE )
{
mbedtls_psa_crypto_free( );
PSA_ASSERT( psa_crypto_init( ) );
PSA_ASSERT( psa_open_key( target_lifetime, target_id,
&target_handle ) );
}
/* Test that the target slot has the expected content. */
PSA_ASSERT( psa_get_key_information( target_handle,
&target_type, &target_bits ) );
TEST_EQUAL( source_type, target_type );
TEST_EQUAL( source_bits, target_bits );
PSA_ASSERT( psa_get_key_policy( target_handle, &target_policy ) );
TEST_EQUAL( expected_usage, psa_key_policy_get_usage( &target_policy ) );
TEST_EQUAL( expected_alg, psa_key_policy_get_algorithm( &target_policy ) );
TEST_EQUAL( expected_alg2,
psa_key_policy_get_enrollment_algorithm( &target_policy ) );
if( expected_usage & PSA_KEY_USAGE_EXPORT )
{
size_t length;
ASSERT_ALLOC( export_buffer, material->len );
PSA_ASSERT( psa_export_key( target_handle, export_buffer,
material->len, &length ) );
ASSERT_COMPARE( material->x, material->len,
export_buffer, length );
}
exit:
mbedtls_psa_crypto_free( );
mbedtls_free( export_buffer );
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
psa_purge_key_storage( );
#endif
}
/* END_CASE */
/* BEGIN_CASE */
void copy_from_empty( int source_lifetime_arg, int source_id_arg,
int source_usage_arg, int source_alg_arg,
int target_lifetime_arg, int target_id_arg,
int target_usage_arg, int target_alg_arg )
{
psa_key_lifetime_t source_lifetime = source_lifetime_arg;
psa_key_id_t source_id = source_id_arg;
psa_key_usage_t source_usage = source_usage_arg;
psa_algorithm_t source_alg = source_alg_arg;
psa_key_handle_t source_handle = 0;
psa_key_policy_t source_policy = PSA_KEY_POLICY_INIT;
psa_key_lifetime_t target_lifetime = target_lifetime_arg;
psa_key_id_t target_id = target_id_arg;
psa_key_usage_t target_usage = target_usage_arg;
psa_algorithm_t target_alg = target_alg_arg;
psa_key_handle_t target_handle = 0;
psa_key_policy_t target_policy = PSA_KEY_POLICY_INIT;
psa_key_policy_t got_policy;
TEST_MAX_KEY_ID( source_id );
TEST_MAX_KEY_ID( target_id );
PSA_ASSERT( psa_crypto_init( ) );
/* Prepare the source slot. */
if( source_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &source_handle ) );
else
PSA_ASSERT( psa_create_key( source_lifetime, source_id,
&source_handle ) );
psa_key_policy_set_usage( &source_policy, source_usage, source_alg );
PSA_ASSERT( psa_set_key_policy( source_handle, &source_policy ) );
/* Prepare the target slot. */
if( target_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &target_handle ) );
else
PSA_ASSERT( psa_create_key( target_lifetime, target_id,
&target_handle ) );
psa_key_policy_set_usage( &target_policy, target_usage, target_alg );
PSA_ASSERT( psa_set_key_policy( target_handle, &target_policy ) );
/* Copy the key. */
TEST_EQUAL( psa_copy_key( source_handle, target_handle, NULL ),
PSA_ERROR_DOES_NOT_EXIST );
/* Test that the slots are unaffected. */
PSA_ASSERT( psa_get_key_policy( source_handle, &got_policy ) );
TEST_EQUAL( source_usage, psa_key_policy_get_usage( &got_policy ) );
TEST_EQUAL( source_alg, psa_key_policy_get_algorithm( &got_policy ) );
PSA_ASSERT( psa_get_key_policy( target_handle, &got_policy ) );
TEST_EQUAL( target_usage, psa_key_policy_get_usage( &got_policy ) );
TEST_EQUAL( target_alg, psa_key_policy_get_algorithm( &got_policy ) );
exit:
mbedtls_psa_crypto_free( );
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
psa_purge_key_storage( );
#endif
}
/* END_CASE */
/* BEGIN_CASE */
void copy_to_occupied( int source_lifetime_arg, int source_id_arg,
int source_usage_arg, int source_alg_arg,
int source_type_arg, data_t *source_material,
int target_lifetime_arg, int target_id_arg,
int target_usage_arg, int target_alg_arg,
int target_type_arg, data_t *target_material )
{
psa_key_lifetime_t source_lifetime = source_lifetime_arg;
psa_key_id_t source_id = source_id_arg;
psa_key_usage_t source_usage = source_usage_arg;
psa_algorithm_t source_alg = source_alg_arg;
psa_key_handle_t source_handle = 0;
psa_key_policy_t source_policy = PSA_KEY_POLICY_INIT;
psa_key_type_t source_type = source_type_arg;
size_t source_bits;
psa_key_lifetime_t target_lifetime = target_lifetime_arg;
psa_key_id_t target_id = target_id_arg;
psa_key_usage_t target_usage = target_usage_arg;
psa_algorithm_t target_alg = target_alg_arg;
psa_key_handle_t target_handle = 0;
psa_key_policy_t target_policy = PSA_KEY_POLICY_INIT;
psa_key_type_t target_type = target_type_arg;
size_t target_bits;
psa_key_policy_t got_policy;
psa_key_type_t got_type;
size_t got_bits;
uint8_t *export_buffer = NULL;
TEST_MAX_KEY_ID( source_id );
TEST_MAX_KEY_ID( target_id );
PSA_ASSERT( psa_crypto_init( ) );
/* Populate the source slot. */
if( source_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &source_handle ) );
else
PSA_ASSERT( psa_create_key( source_lifetime, source_id,
&source_handle ) );
psa_key_policy_set_usage( &source_policy, source_usage, source_alg );
PSA_ASSERT( psa_set_key_policy( source_handle, &source_policy ) );
PSA_ASSERT( psa_import_key( source_handle, source_type,
source_material->x, source_material->len ) );
PSA_ASSERT( psa_get_key_information( source_handle, NULL, &source_bits ) );
/* Populate the target slot. */
if( target_lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &target_handle ) );
else
PSA_ASSERT( psa_create_key( target_lifetime, target_id,
&target_handle ) );
psa_key_policy_set_usage( &target_policy, target_usage, target_alg );
PSA_ASSERT( psa_set_key_policy( target_handle, &target_policy ) );
PSA_ASSERT( psa_import_key( target_handle, target_type,
target_material->x, target_material->len ) );
PSA_ASSERT( psa_get_key_information( target_handle, NULL, &target_bits ) );
/* Copy the key. */
TEST_EQUAL( psa_copy_key( source_handle, target_handle, NULL ),
PSA_ERROR_ALREADY_EXISTS );
/* Test that the target slot is unaffected. */
PSA_ASSERT( psa_get_key_information( target_handle,
&got_type, &got_bits ) );
TEST_EQUAL( target_type, got_type );
TEST_EQUAL( target_bits, got_bits );
PSA_ASSERT( psa_get_key_policy( target_handle, &got_policy ) );
TEST_EQUAL( target_usage, psa_key_policy_get_usage( &got_policy ) );
TEST_EQUAL( target_alg, psa_key_policy_get_algorithm( &got_policy ) );
if( target_usage & PSA_KEY_USAGE_EXPORT )
{
size_t length;
ASSERT_ALLOC( export_buffer, target_material->len );
PSA_ASSERT( psa_export_key( target_handle, export_buffer,
target_material->len, &length ) );
ASSERT_COMPARE( target_material->x, target_material->len,
export_buffer, length );
}
exit:
mbedtls_psa_crypto_free( );
mbedtls_free( export_buffer );
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
psa_purge_key_storage( );
#endif
}
/* END_CASE */
/* BEGIN_CASE */
void copy_to_same( int lifetime_arg, int id_arg,
int usage_arg, int alg_arg,
int type_arg, data_t *material )
{
psa_key_lifetime_t lifetime = lifetime_arg;
psa_key_id_t id = id_arg;
psa_key_usage_t usage = usage_arg;
psa_algorithm_t alg = alg_arg;
psa_key_handle_t handle = 0;
psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
psa_key_type_t type = type_arg;
size_t bits;
psa_key_policy_t got_policy;
psa_key_type_t got_type;
size_t got_bits;
uint8_t *export_buffer = NULL;
TEST_MAX_KEY_ID( id );
PSA_ASSERT( psa_crypto_init( ) );
/* Populate the slot. */
if( lifetime == PSA_KEY_LIFETIME_VOLATILE )
PSA_ASSERT( psa_allocate_key( &handle ) );
else
PSA_ASSERT( psa_create_key( lifetime, id,
&handle ) );
psa_key_policy_set_usage( &policy, usage, alg );
PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
PSA_ASSERT( psa_import_key( handle, type,
material->x, material->len ) );
PSA_ASSERT( psa_get_key_information( handle, NULL, &bits ) );
/* Copy the key. */
TEST_EQUAL( psa_copy_key( handle, handle, NULL ),
PSA_ERROR_ALREADY_EXISTS );
/* Test that the slot is unaffected. */
PSA_ASSERT( psa_get_key_information( handle,
&got_type, &got_bits ) );
TEST_EQUAL( type, got_type );
TEST_EQUAL( bits, got_bits );
PSA_ASSERT( psa_get_key_policy( handle, &got_policy ) );
TEST_EQUAL( usage, psa_key_policy_get_usage( &got_policy ) );
TEST_EQUAL( alg, psa_key_policy_get_algorithm( &got_policy ) );
if( usage & PSA_KEY_USAGE_EXPORT )
{
size_t length;
ASSERT_ALLOC( export_buffer, material->len );
PSA_ASSERT( psa_export_key( handle, export_buffer,
material->len, &length ) );
ASSERT_COMPARE( material->x, material->len,
export_buffer, length );
}
exit:
mbedtls_psa_crypto_free( );
mbedtls_free( export_buffer );
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
psa_purge_key_storage( );
#endif
}
/* END_CASE */
/* BEGIN_CASE */
void invalid_handle( )
{
psa_key_handle_t handle1 = 0;
psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
psa_key_type_t read_type;
size_t read_bits;
uint8_t material[1] = "a";
PSA_ASSERT( psa_crypto_init( ) );
/* Allocate a handle and store a key in it. */
PSA_ASSERT( psa_allocate_key( &handle1 ) );
TEST_ASSERT( handle1 != 0 );
psa_key_policy_set_usage( &policy, 0, 0 );
PSA_ASSERT( psa_set_key_policy( handle1, &policy ) );
PSA_ASSERT( psa_import_key( handle1, PSA_KEY_TYPE_RAW_DATA,
material, sizeof( material ) ) );
/* Attempt to close and destroy some invalid handles. */
TEST_EQUAL( psa_close_key( 0 ), PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_close_key( handle1 - 1 ), PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_close_key( handle1 + 1 ), PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_destroy_key( 0 ), PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_destroy_key( handle1 - 1 ), PSA_ERROR_INVALID_HANDLE );
TEST_EQUAL( psa_destroy_key( handle1 + 1 ), PSA_ERROR_INVALID_HANDLE );
/* After all this, check that the original handle is intact. */
PSA_ASSERT( psa_get_key_information( handle1, &read_type, &read_bits ) );
TEST_EQUAL( read_type, PSA_KEY_TYPE_RAW_DATA );
TEST_EQUAL( read_bits, PSA_BYTES_TO_BITS( sizeof( material ) ) );
PSA_ASSERT( psa_close_key( handle1 ) );
exit:
mbedtls_psa_crypto_free( );
}
/* END_CASE */
/* BEGIN_CASE */
void many_transient_handles( int max_handles_arg )
{
psa_key_handle_t *handles = NULL;
size_t max_handles = max_handles_arg;
size_t i, j;
psa_status_t status;
psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
uint8_t exported[sizeof( size_t )];
size_t exported_length;
ASSERT_ALLOC( handles, max_handles );
PSA_ASSERT( psa_crypto_init( ) );
psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT, 0 );
for( i = 0; i < max_handles; i++ )
{
status = psa_allocate_key( &handles[i] );
if( status == PSA_ERROR_INSUFFICIENT_MEMORY )
break;
PSA_ASSERT( status );
TEST_ASSERT( handles[i] != 0 );
for( j = 0; j < i; j++ )
TEST_ASSERT( handles[i] != handles[j] );
PSA_ASSERT( psa_set_key_policy( handles[i], &policy ) );
PSA_ASSERT( psa_import_key( handles[i], PSA_KEY_TYPE_RAW_DATA,
(uint8_t *) &i, sizeof( i ) ) );
}
max_handles = i;
for( i = 1; i < max_handles; i++ )
{
PSA_ASSERT( psa_close_key( handles[i - 1] ) );
PSA_ASSERT( psa_export_key( handles[i],
exported, sizeof( exported ),
&exported_length ) );
ASSERT_COMPARE( exported, exported_length,
(uint8_t *) &i, sizeof( i ) );
}
PSA_ASSERT( psa_close_key( handles[i - 1] ) );
exit:
mbedtls_psa_crypto_free( );
mbedtls_free( handles );
}
/* END_CASE */
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