| /* BEGIN_HEADER */ |
| #include <stdint.h> |
| |
| #include "psa_crypto_slot_management.h" |
| #include "psa_crypto_storage.h" |
| |
| typedef enum |
| { |
| /**< Close key(s) */ |
| INVALIDATE_BY_CLOSING, |
| |
| /**< Destroy key(s) */ |
| INVALIDATE_BY_DESTROYING, |
| |
| /**< Purge key(s) */ |
| INVALIDATE_BY_PURGING, |
| |
| /**< Terminate and reinitialize without closing/destroying keys */ |
| INVALIDATE_BY_SHUTDOWN, |
| |
| /**< Close key(s) then terminate and re-initialize */ |
| INVALIDATE_BY_CLOSING_WITH_SHUTDOWN, |
| |
| /**< Destroy key(s) then terminate and re-initialize */ |
| INVALIDATE_BY_DESTROYING_WITH_SHUTDOWN, |
| |
| /**< Purge key(s) then terminate and re-initialize */ |
| INVALIDATE_BY_PURGING_WITH_SHUTDOWN, |
| } invalidate_method_t; |
| |
| typedef enum |
| { |
| KEEP_OPEN, |
| CLOSE_BEFORE, |
| CLOSE_AFTER, |
| } reopen_policy_t; |
| |
| typedef enum |
| { |
| INVALID_HANDLE_0, |
| INVALID_HANDLE_UNOPENED, |
| INVALID_HANDLE_CLOSED, |
| INVALID_HANDLE_HUGE, |
| } invalid_handle_construction_t; |
| |
| /** Apply \p invalidate_method to invalidate the specified key: |
| * close it, destroy it, or do nothing; |
| */ |
| static int invalidate_key( invalidate_method_t invalidate_method, |
| mbedtls_svc_key_id_t key ) |
| { |
| switch( invalidate_method ) |
| { |
| /* Closing the key invalidate only volatile keys, not persistent ones. */ |
| case INVALIDATE_BY_CLOSING: |
| case INVALIDATE_BY_CLOSING_WITH_SHUTDOWN: |
| PSA_ASSERT( psa_close_key( key ) ); |
| break; |
| case INVALIDATE_BY_DESTROYING: |
| case INVALIDATE_BY_DESTROYING_WITH_SHUTDOWN: |
| PSA_ASSERT( psa_destroy_key( key ) ); |
| break; |
| /* Purging the key just purges RAM data of persistent keys. */ |
| case INVALIDATE_BY_PURGING: |
| case INVALIDATE_BY_PURGING_WITH_SHUTDOWN: |
| PSA_ASSERT( psa_purge_key( key ) ); |
| break; |
| case INVALIDATE_BY_SHUTDOWN: |
| break; |
| } |
| return( 1 ); |
| exit: |
| return( 0 ); |
| } |
| |
| /** Restart the PSA subsystem if \p invalidate_method says so. */ |
| static int invalidate_psa( invalidate_method_t invalidate_method ) |
| { |
| switch( invalidate_method ) |
| { |
| case INVALIDATE_BY_CLOSING: |
| case INVALIDATE_BY_DESTROYING: |
| case INVALIDATE_BY_PURGING: |
| return( 1 ); |
| case INVALIDATE_BY_CLOSING_WITH_SHUTDOWN: |
| case INVALIDATE_BY_DESTROYING_WITH_SHUTDOWN: |
| case INVALIDATE_BY_PURGING_WITH_SHUTDOWN: |
| /* All keys must have been closed. */ |
| PSA_SESSION_DONE( ); |
| break; |
| case INVALIDATE_BY_SHUTDOWN: |
| /* Some keys may remain behind, and we're testing that this |
| * properly closes them. */ |
| mbedtls_psa_crypto_free( ); |
| break; |
| } |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| ASSERT_PSA_PRISTINE( ); |
| return( 1 ); |
| |
| exit: |
| return( 0 ); |
| } |
| |
| /* END_HEADER */ |
| |
| /* BEGIN_DEPENDENCIES |
| * depends_on:MBEDTLS_PSA_CRYPTO_C |
| * END_DEPENDENCIES |
| */ |
| |
| /* BEGIN_CASE */ |
| void transient_slot_lifecycle( int owner_id_arg, |
| int usage_arg, int alg_arg, |
| int type_arg, data_t *key_data, |
| int invalidate_method_arg ) |
| { |
| psa_algorithm_t alg = alg_arg; |
| psa_key_usage_t usage_flags = usage_arg; |
| psa_key_type_t type = type_arg; |
| invalidate_method_t invalidate_method = invalidate_method_arg; |
| mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| |
| mbedtls_test_set_step( 1 ); |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| /* Import a key. */ |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| mbedtls_key_owner_id_t owner_id = owner_id_arg; |
| |
| mbedtls_set_key_owner_id( &attributes, owner_id ); |
| #else |
| (void)owner_id_arg; |
| #endif |
| |
| psa_set_key_usage_flags( &attributes, usage_flags ); |
| psa_set_key_algorithm( &attributes, alg ); |
| psa_set_key_type( &attributes, type ); |
| PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len, |
| &key ) ); |
| TEST_ASSERT( ! mbedtls_svc_key_id_is_null( key ) ); |
| PSA_ASSERT( psa_get_key_attributes( key, &attributes ) ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), type ); |
| psa_reset_key_attributes( &attributes ); |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| { |
| psa_key_handle_t handle; |
| mbedtls_svc_key_id_t key_with_invalid_owner = |
| mbedtls_svc_key_id_make( owner_id + 1, |
| MBEDTLS_SVC_KEY_ID_GET_KEY_ID( key ) ); |
| |
| TEST_ASSERT( mbedtls_key_owner_id_equal( |
| owner_id, |
| MBEDTLS_SVC_KEY_ID_GET_OWNER_ID( key ) ) ); |
| TEST_EQUAL( psa_open_key( key_with_invalid_owner, &handle ), |
| PSA_ERROR_DOES_NOT_EXIST ); |
| } |
| #endif |
| |
| /* |
| * Purge the key and make sure that it is still valid, as purging a |
| * volatile key shouldn't invalidate/destroy it. |
| */ |
| PSA_ASSERT( psa_purge_key( key ) ); |
| PSA_ASSERT( psa_get_key_attributes( key, &attributes ) ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), type ); |
| psa_reset_key_attributes( &attributes ); |
| |
| /* Do something that invalidates the key. */ |
| mbedtls_test_set_step( 2 ); |
| if( ! invalidate_key( invalidate_method, key ) ) |
| goto exit; |
| if( ! invalidate_psa( invalidate_method ) ) |
| goto exit; |
| |
| /* Test that the key is now invalid. */ |
| TEST_EQUAL( psa_get_key_attributes( key, &attributes ), |
| PSA_ERROR_INVALID_HANDLE ); |
| TEST_EQUAL( psa_close_key( key ), PSA_ERROR_INVALID_HANDLE ); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes ); |
| |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */ |
| void persistent_slot_lifecycle( int lifetime_arg, int owner_id_arg, int id_arg, |
| int usage_arg, int alg_arg, int alg2_arg, |
| int type_arg, data_t *key_data, |
| int invalidate_method_arg ) |
| { |
| psa_key_lifetime_t lifetime = lifetime_arg; |
| mbedtls_svc_key_id_t id = mbedtls_svc_key_id_make( owner_id_arg, 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; |
| invalidate_method_t invalidate_method = invalidate_method_arg; |
| mbedtls_svc_key_id_t returned_id = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_handle_t handle = PSA_KEY_HANDLE_INIT; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_attributes_t read_attributes = PSA_KEY_ATTRIBUTES_INIT; |
| uint8_t *reexported = NULL; |
| size_t reexported_length = -1; |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| mbedtls_svc_key_id_t wrong_owner_id = |
| mbedtls_svc_key_id_make( owner_id_arg + 1, id_arg ); |
| mbedtls_svc_key_id_t invalid_svc_key_id = MBEDTLS_SVC_KEY_ID_INIT; |
| #endif |
| |
| TEST_USES_KEY_ID( id ); |
| |
| mbedtls_test_set_step( 1 ); |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| psa_set_key_id( &attributes, id ); |
| psa_set_key_lifetime( &attributes, lifetime ); |
| psa_set_key_type( &attributes, type ); |
| psa_set_key_usage_flags( &attributes, usage_flags ); |
| psa_set_key_algorithm( &attributes, alg ); |
| psa_set_key_enrollment_algorithm( &attributes, alg2 ); |
| PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len, |
| &returned_id ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( id, returned_id ) ); |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| TEST_EQUAL( psa_open_key( wrong_owner_id, &invalid_svc_key_id ), |
| PSA_ERROR_DOES_NOT_EXIST ); |
| #endif |
| |
| PSA_ASSERT( psa_get_key_attributes( id, &attributes ) ); |
| TEST_EQUAL( psa_get_key_lifetime( &attributes ), lifetime ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| psa_get_key_id( &attributes ), id ) ); |
| TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage_flags ); |
| TEST_EQUAL( psa_get_key_algorithm( &attributes ), alg ); |
| TEST_EQUAL( psa_get_key_enrollment_algorithm( &attributes ), alg2 ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), type ); |
| |
| /* Close the key and then open it. */ |
| PSA_ASSERT( psa_close_key( id ) ); |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| TEST_EQUAL( psa_open_key( wrong_owner_id, &invalid_svc_key_id ), |
| PSA_ERROR_DOES_NOT_EXIST ); |
| #endif |
| |
| PSA_ASSERT( psa_open_key( id, &handle ) ); |
| TEST_ASSERT( ! psa_key_handle_is_null( handle ) ); |
| PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) ); |
| TEST_EQUAL( psa_get_key_lifetime( &attributes ), lifetime ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| psa_get_key_id( &attributes ), id ) ); |
| TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage_flags ); |
| TEST_EQUAL( psa_get_key_algorithm( &attributes ), alg ); |
| TEST_EQUAL( psa_get_key_enrollment_algorithm( &attributes ), alg2 ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), type ); |
| |
| /* |
| * Do something that wipes key data in volatile memory or destroy the |
| * key. |
| */ |
| mbedtls_test_set_step( 2 ); |
| if( ! invalidate_key( invalidate_method, id ) ) |
| goto exit; |
| if( ! invalidate_psa( invalidate_method ) ) |
| goto exit; |
| |
| /* Try to reaccess the key. If we destroyed it, check that it doesn't |
| * exist. Otherwise check that it still exists and has the expected |
| * content. */ |
| switch( invalidate_method ) |
| { |
| case INVALIDATE_BY_CLOSING: |
| case INVALIDATE_BY_CLOSING_WITH_SHUTDOWN: |
| case INVALIDATE_BY_PURGING: |
| case INVALIDATE_BY_PURGING_WITH_SHUTDOWN: |
| case INVALIDATE_BY_SHUTDOWN: |
| PSA_ASSERT( psa_open_key( id, &handle ) ); |
| PSA_ASSERT( psa_get_key_attributes( id, &read_attributes ) ); |
| TEST_EQUAL( psa_get_key_lifetime( &attributes ), |
| psa_get_key_lifetime( &read_attributes ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| psa_get_key_id( &attributes ), |
| psa_get_key_id( &read_attributes ) ) ); |
| TEST_EQUAL( psa_get_key_usage_flags( &attributes ), usage_flags ); |
| TEST_EQUAL( psa_get_key_algorithm( &attributes ), |
| psa_get_key_algorithm( &read_attributes ) ); |
| TEST_EQUAL( psa_get_key_enrollment_algorithm( &attributes ), |
| psa_get_key_enrollment_algorithm( &read_attributes ) ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), |
| psa_get_key_type( &read_attributes ) ); |
| TEST_EQUAL( psa_get_key_bits( &attributes ), |
| psa_get_key_bits( &read_attributes ) ); |
| ASSERT_ALLOC( reexported, key_data->len ); |
| if( usage_flags & PSA_KEY_USAGE_EXPORT ) |
| { |
| PSA_ASSERT( psa_export_key( id, reexported, key_data->len, |
| &reexported_length ) ); |
| ASSERT_COMPARE( key_data->x, key_data->len, |
| reexported, reexported_length ); |
| } |
| else |
| { |
| TEST_EQUAL( psa_export_key( id, reexported, |
| key_data->len, &reexported_length ), |
| PSA_ERROR_NOT_PERMITTED ); |
| } |
| PSA_ASSERT( psa_close_key( handle ) ); |
| break; |
| |
| case INVALIDATE_BY_DESTROYING: |
| case INVALIDATE_BY_DESTROYING_WITH_SHUTDOWN: |
| /* |
| * Test that the key handle and identifier are now not refering to an |
| * existing key. |
| */ |
| TEST_EQUAL( psa_get_key_attributes( handle, &read_attributes ), |
| PSA_ERROR_INVALID_HANDLE ); |
| TEST_EQUAL( psa_close_key( handle ), PSA_ERROR_INVALID_HANDLE ); |
| TEST_EQUAL( psa_get_key_attributes( id, &read_attributes ), |
| PSA_ERROR_INVALID_HANDLE ); |
| break; |
| } |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes ); |
| psa_reset_key_attributes( &read_attributes ); |
| |
| PSA_DONE( ); |
| mbedtls_free( reexported ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */ |
| void create_existent( int lifetime_arg, int owner_id_arg, int id_arg, |
| int reopen_policy_arg ) |
| { |
| psa_key_lifetime_t lifetime = lifetime_arg; |
| mbedtls_svc_key_id_t id = mbedtls_svc_key_id_make( owner_id_arg, id_arg ); |
| mbedtls_svc_key_id_t returned_id = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_type_t type1 = PSA_KEY_TYPE_RAW_DATA; |
| const uint8_t material1[5] = "a key"; |
| const uint8_t material2[5] = "b key"; |
| size_t bits1 = PSA_BYTES_TO_BITS( sizeof( material1 ) ); |
| uint8_t reexported[sizeof( material1 )]; |
| size_t reexported_length; |
| reopen_policy_t reopen_policy = reopen_policy_arg; |
| |
| TEST_USES_KEY_ID( id ); |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| /* Create a key. */ |
| psa_set_key_id( &attributes, id ); |
| psa_set_key_lifetime( &attributes, lifetime ); |
| psa_set_key_type( &attributes, type1 ); |
| psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT ); |
| psa_set_key_algorithm( &attributes, 0 ); |
| PSA_ASSERT( psa_import_key( &attributes, material1, sizeof( material1 ), |
| &returned_id ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( id, returned_id ) ); |
| |
| if( reopen_policy == CLOSE_BEFORE ) |
| PSA_ASSERT( psa_close_key( id ) ); |
| |
| /* Attempt to create a new key in the same slot. */ |
| TEST_EQUAL( psa_import_key( &attributes, material2, sizeof( material2 ), |
| &returned_id ), |
| PSA_ERROR_ALREADY_EXISTS ); |
| TEST_ASSERT( mbedtls_svc_key_id_is_null( returned_id ) ); |
| |
| if( reopen_policy == CLOSE_AFTER ) |
| PSA_ASSERT( psa_close_key( id ) ); |
| |
| /* Check that the original key hasn't changed. */ |
| psa_reset_key_attributes( &attributes ); |
| PSA_ASSERT( psa_get_key_attributes( id, &attributes ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| psa_get_key_id( &attributes ), id ) ); |
| TEST_EQUAL( psa_get_key_lifetime( &attributes ), lifetime ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), type1 ); |
| TEST_EQUAL( psa_get_key_bits( &attributes ), bits1 ); |
| TEST_EQUAL( psa_get_key_usage_flags( &attributes ), PSA_KEY_USAGE_EXPORT ); |
| TEST_EQUAL( psa_get_key_algorithm( &attributes ), 0 ); |
| |
| PSA_ASSERT( psa_export_key( id, |
| reexported, sizeof( reexported ), |
| &reexported_length ) ); |
| ASSERT_COMPARE( material1, sizeof( material1 ), |
| reexported, reexported_length ); |
| |
| PSA_ASSERT( psa_close_key( id ) ); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes ); |
| |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void open_fail( int id_arg, |
| int expected_status_arg ) |
| { |
| mbedtls_svc_key_id_t id = mbedtls_svc_key_id_make( 1, id_arg ); |
| psa_status_t expected_status = expected_status_arg; |
| psa_key_handle_t handle = mbedtls_svc_key_id_make( 0xdead, 0xdead ); |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| TEST_EQUAL( psa_open_key( id, &handle ), expected_status ); |
| TEST_ASSERT( psa_key_handle_is_null( handle ) ); |
| |
| exit: |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void create_fail( int lifetime_arg, int id_arg, |
| int expected_status_arg ) |
| { |
| psa_key_lifetime_t lifetime = lifetime_arg; |
| mbedtls_svc_key_id_t id = mbedtls_svc_key_id_make( 1, id_arg ); |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_status_t expected_status = expected_status_arg; |
| mbedtls_svc_key_id_t returned_id = |
| mbedtls_svc_key_id_make( 0xdead, 0xdead ); |
| uint8_t material[1] = {'k'}; |
| |
| TEST_USES_KEY_ID( id ); |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| psa_set_key_lifetime( &attributes, lifetime ); |
| if( PSA_KEY_LIFETIME_IS_VOLATILE( lifetime ) ) |
| { |
| /* |
| * Not possible to set a key identifier different from 0 through |
| * PSA key attributes APIs thus accessing to the attributes |
| * directly. |
| */ |
| attributes.core.id = id; |
| } |
| else |
| psa_set_key_id( &attributes, id ); |
| |
| psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA ); |
| TEST_EQUAL( psa_import_key( &attributes, material, sizeof( material ), |
| &returned_id ), |
| expected_status ); |
| TEST_ASSERT( mbedtls_svc_key_id_is_null( returned_id ) ); |
| |
| exit: |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void copy_across_lifetimes( int source_lifetime_arg, int source_owner_id_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_owner_id_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; |
| mbedtls_svc_key_id_t source_id = |
| mbedtls_svc_key_id_make( source_owner_id_arg, source_id_arg ); |
| psa_key_usage_t source_usage = source_usage_arg; |
| psa_algorithm_t source_alg = source_alg_arg; |
| psa_key_attributes_t source_attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_type_t source_type = type_arg; |
| mbedtls_svc_key_id_t returned_source_id = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_lifetime_t target_lifetime = target_lifetime_arg; |
| mbedtls_svc_key_id_t target_id = |
| mbedtls_svc_key_id_make( target_owner_id_arg, target_id_arg ); |
| psa_key_usage_t target_usage = target_usage_arg; |
| psa_algorithm_t target_alg = target_alg_arg; |
| psa_key_attributes_t target_attributes = PSA_KEY_ATTRIBUTES_INIT; |
| mbedtls_svc_key_id_t returned_target_id = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_handle_t target_handle = PSA_KEY_HANDLE_INIT; |
| 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_USES_KEY_ID( source_id ); |
| TEST_USES_KEY_ID( target_id ); |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| /* Populate the source slot. */ |
| psa_set_key_id( &source_attributes, source_id ); |
| psa_set_key_lifetime( &source_attributes, source_lifetime ); |
| |
| psa_set_key_type( &source_attributes, source_type ); |
| psa_set_key_usage_flags( &source_attributes, source_usage ); |
| psa_set_key_algorithm( &source_attributes, source_alg ); |
| psa_set_key_enrollment_algorithm( &source_attributes, source_alg2_arg ); |
| PSA_ASSERT( psa_import_key( &source_attributes, |
| material->x, material->len, |
| &returned_source_id ) ); |
| /* Update the attributes with the bit size. */ |
| PSA_ASSERT( psa_get_key_attributes( returned_source_id, |
| &source_attributes ) ); |
| |
| /* Prepare the target slot. */ |
| psa_set_key_id( &target_attributes, target_id ); |
| psa_set_key_lifetime( &target_attributes, target_lifetime ); |
| |
| psa_set_key_usage_flags( &target_attributes, target_usage ); |
| psa_set_key_algorithm( &target_attributes, target_alg ); |
| psa_set_key_enrollment_algorithm( &target_attributes, target_alg2_arg ); |
| |
| /* Copy the key. */ |
| PSA_ASSERT( psa_copy_key( returned_source_id, |
| &target_attributes, &returned_target_id ) ); |
| |
| /* Destroy the source to ensure that this doesn't affect the target. */ |
| PSA_ASSERT( psa_destroy_key( returned_source_id ) ); |
| |
| /* If the target key is persistent, restart the system to make |
| * sure that the material is still alive. */ |
| if( ! PSA_KEY_LIFETIME_IS_VOLATILE( target_lifetime ) ) |
| { |
| mbedtls_psa_crypto_free( ); |
| PSA_ASSERT( psa_crypto_init( ) ); |
| PSA_ASSERT( psa_open_key( target_id, &target_handle ) ); |
| } |
| |
| /* Test that the target slot has the expected content. */ |
| psa_reset_key_attributes( &target_attributes ); |
| PSA_ASSERT( psa_get_key_attributes( returned_target_id, |
| &target_attributes ) ); |
| |
| if( ! PSA_KEY_LIFETIME_IS_VOLATILE( target_lifetime ) ) |
| { |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| target_id, psa_get_key_id( &target_attributes ) ) ); |
| } |
| else |
| { |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| TEST_EQUAL( MBEDTLS_SVC_KEY_ID_GET_OWNER_ID( returned_target_id ), |
| target_owner_id_arg ); |
| #endif |
| } |
| |
| TEST_EQUAL( target_lifetime, psa_get_key_lifetime( &target_attributes ) ); |
| TEST_EQUAL( source_type, psa_get_key_type( &target_attributes ) ); |
| TEST_EQUAL( psa_get_key_bits( &source_attributes ), |
| psa_get_key_bits( &target_attributes ) ); |
| TEST_EQUAL( expected_usage, psa_get_key_usage_flags( &target_attributes ) ); |
| TEST_EQUAL( expected_alg, psa_get_key_algorithm( &target_attributes ) ); |
| TEST_EQUAL( expected_alg2, |
| psa_get_key_enrollment_algorithm( &target_attributes ) ); |
| if( expected_usage & PSA_KEY_USAGE_EXPORT ) |
| { |
| size_t length; |
| ASSERT_ALLOC( export_buffer, material->len ); |
| PSA_ASSERT( psa_export_key( returned_target_id, export_buffer, |
| material->len, &length ) ); |
| ASSERT_COMPARE( material->x, material->len, |
| export_buffer, length ); |
| } |
| else |
| { |
| size_t length; |
| /* Check that the key is actually non-exportable. */ |
| TEST_EQUAL( psa_export_key( returned_target_id, export_buffer, |
| material->len, &length ), |
| PSA_ERROR_NOT_PERMITTED ); |
| } |
| |
| PSA_ASSERT( psa_destroy_key( returned_target_id ) ); |
| |
| exit: |
| /* |
| * Source and target key attributes may have been returned by |
| * psa_get_key_attributes() thus reset them as required. |
| */ |
| psa_reset_key_attributes( &source_attributes ); |
| psa_reset_key_attributes( &target_attributes ); |
| |
| PSA_DONE( ); |
| mbedtls_free( export_buffer ); |
| } |
| /* 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; |
| mbedtls_svc_key_id_t source_id = |
| mbedtls_svc_key_id_make( 1, source_id_arg ); |
| psa_key_usage_t source_usage = source_usage_arg; |
| psa_algorithm_t source_alg = source_alg_arg; |
| psa_key_type_t source_type = source_type_arg; |
| mbedtls_svc_key_id_t returned_source_id = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_lifetime_t target_lifetime = target_lifetime_arg; |
| mbedtls_svc_key_id_t target_id = |
| mbedtls_svc_key_id_make( 1, target_id_arg ); |
| psa_key_usage_t target_usage = target_usage_arg; |
| psa_algorithm_t target_alg = target_alg_arg; |
| psa_key_type_t target_type = target_type_arg; |
| mbedtls_svc_key_id_t returned_target_id = MBEDTLS_SVC_KEY_ID_INIT; |
| mbedtls_svc_key_id_t new_key = MBEDTLS_SVC_KEY_ID_INIT; |
| uint8_t *export_buffer = NULL; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_attributes_t attributes1 = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_attributes_t attributes2 = PSA_KEY_ATTRIBUTES_INIT; |
| |
| TEST_USES_KEY_ID( source_id ); |
| TEST_USES_KEY_ID( target_id ); |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| /* Populate the source slot. */ |
| if( ! PSA_KEY_LIFETIME_IS_VOLATILE( source_lifetime ) ) |
| { |
| psa_set_key_id( &attributes, source_id ); |
| psa_set_key_lifetime( &attributes, source_lifetime ); |
| } |
| psa_set_key_type( &attributes, source_type ); |
| psa_set_key_usage_flags( &attributes, source_usage ); |
| psa_set_key_algorithm( &attributes, source_alg ); |
| PSA_ASSERT( psa_import_key( &attributes, |
| source_material->x, source_material->len, |
| &returned_source_id ) ); |
| |
| /* Populate the target slot. */ |
| if( mbedtls_svc_key_id_equal( target_id, source_id ) ) |
| { |
| returned_target_id = returned_source_id; |
| } |
| else |
| { |
| psa_set_key_id( &attributes1, target_id ); |
| psa_set_key_lifetime( &attributes1, target_lifetime ); |
| psa_set_key_type( &attributes1, target_type ); |
| psa_set_key_usage_flags( &attributes1, target_usage ); |
| psa_set_key_algorithm( &attributes1, target_alg ); |
| PSA_ASSERT( psa_import_key( &attributes1, |
| target_material->x, target_material->len, |
| &returned_target_id ) ); |
| } |
| |
| PSA_ASSERT( psa_get_key_attributes( returned_target_id, &attributes1 ) ); |
| |
| /* Make a copy attempt. */ |
| psa_set_key_id( &attributes, target_id ); |
| psa_set_key_lifetime( &attributes, target_lifetime ); |
| TEST_EQUAL( psa_copy_key( returned_source_id, |
| &attributes, &new_key ), |
| PSA_ERROR_ALREADY_EXISTS ); |
| TEST_ASSERT( mbedtls_svc_key_id_is_null( new_key ) ); |
| |
| /* Test that the target slot is unaffected. */ |
| PSA_ASSERT( psa_get_key_attributes( returned_target_id, &attributes2 ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( |
| psa_get_key_id( &attributes1 ), |
| psa_get_key_id( &attributes2 ) ) ); |
| TEST_EQUAL( psa_get_key_lifetime( &attributes1 ), |
| psa_get_key_lifetime( &attributes2 ) ); |
| TEST_EQUAL( psa_get_key_type( &attributes1 ), |
| psa_get_key_type( &attributes2 ) ); |
| TEST_EQUAL( psa_get_key_bits( &attributes1 ), |
| psa_get_key_bits( &attributes2 ) ); |
| TEST_EQUAL( psa_get_key_usage_flags( &attributes1 ), |
| psa_get_key_usage_flags( &attributes2 ) ); |
| TEST_EQUAL( psa_get_key_algorithm( &attributes1 ), |
| psa_get_key_algorithm( &attributes2 ) ); |
| if( target_usage & PSA_KEY_USAGE_EXPORT ) |
| { |
| size_t length; |
| ASSERT_ALLOC( export_buffer, target_material->len ); |
| PSA_ASSERT( psa_export_key( returned_target_id, export_buffer, |
| target_material->len, &length ) ); |
| ASSERT_COMPARE( target_material->x, target_material->len, |
| export_buffer, length ); |
| } |
| |
| PSA_ASSERT( psa_destroy_key( returned_source_id ) ); |
| if( ! mbedtls_svc_key_id_equal( target_id, source_id ) ) |
| PSA_ASSERT( psa_destroy_key( returned_target_id ) ); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes1 ); |
| psa_reset_key_attributes( &attributes2 ); |
| |
| PSA_DONE( ); |
| mbedtls_free( export_buffer ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void invalid_handle( int handle_construction, |
| int close_status_arg ) |
| { |
| psa_key_handle_t valid_handle = PSA_KEY_HANDLE_INIT; |
| psa_key_handle_t invalid_handle = PSA_KEY_HANDLE_INIT; |
| psa_key_id_t key_id; |
| psa_status_t close_status = close_status_arg; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| uint8_t material[1] = "a"; |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| /* Allocate a handle and store a key in it. */ |
| psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA ); |
| psa_set_key_usage_flags( &attributes, 0 ); |
| psa_set_key_algorithm( &attributes, 0 ); |
| PSA_ASSERT( psa_import_key( &attributes, |
| material, sizeof( material ), |
| &valid_handle ) ); |
| TEST_ASSERT( ! psa_key_handle_is_null( valid_handle ) ); |
| |
| /* Construct an invalid handle as specified in the test case data. */ |
| switch( handle_construction ) |
| { |
| case INVALID_HANDLE_0: |
| invalid_handle = PSA_KEY_HANDLE_INIT; |
| break; |
| case INVALID_HANDLE_UNOPENED: |
| |
| /* |
| * MBEDTLS_SVC_KEY_ID_GET_KEY_ID( valid_handle ) is a volatile |
| * key identifier as the imported key is a volatile key. Volatile |
| * key identifiers are in the range from PSA_KEY_ID_VOLATILE_MIN |
| * to PSA_KEY_ID_VOLATILE_MAX included. Thus pick a key identifier |
| * in the range from PSA_KEY_ID_VOLATILE_MIN to |
| * PSA_KEY_ID_VOLATILE_MAX different from |
| * MBEDTLS_SVC_KEY_ID_GET_KEY_ID( valid_handle ) to build an |
| * unopened and thus invalid identifier. |
| */ |
| |
| if( MBEDTLS_SVC_KEY_ID_GET_KEY_ID( valid_handle ) == |
| PSA_KEY_ID_VOLATILE_MIN ) |
| key_id = PSA_KEY_ID_VOLATILE_MIN + 1; |
| else |
| key_id = MBEDTLS_SVC_KEY_ID_GET_KEY_ID( valid_handle ) - 1; |
| |
| invalid_handle = |
| mbedtls_svc_key_id_make( 0, key_id ); |
| break; |
| case INVALID_HANDLE_CLOSED: |
| PSA_ASSERT( psa_import_key( &attributes, |
| material, sizeof( material ), |
| &invalid_handle ) ); |
| PSA_ASSERT( psa_destroy_key( invalid_handle ) ); |
| break; |
| case INVALID_HANDLE_HUGE: |
| invalid_handle = |
| mbedtls_svc_key_id_make( 0, PSA_KEY_ID_VENDOR_MAX + 1 ); |
| break; |
| default: |
| TEST_ASSERT( ! "unknown handle construction" ); |
| } |
| |
| /* Attempt to use the invalid handle. */ |
| TEST_EQUAL( psa_get_key_attributes( invalid_handle, &attributes ), |
| PSA_ERROR_INVALID_HANDLE ); |
| TEST_EQUAL( psa_close_key( invalid_handle ), close_status ); |
| TEST_EQUAL( psa_destroy_key( invalid_handle ), close_status ); |
| |
| /* After all this, check that the original handle is intact. */ |
| PSA_ASSERT( psa_get_key_attributes( valid_handle, &attributes ) ); |
| TEST_EQUAL( psa_get_key_type( &attributes ), PSA_KEY_TYPE_RAW_DATA ); |
| TEST_EQUAL( psa_get_key_bits( &attributes ), |
| PSA_BYTES_TO_BITS( sizeof( material ) ) ); |
| PSA_ASSERT( psa_close_key( valid_handle ) ); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes ); |
| |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void many_transient_keys( int max_keys_arg ) |
| { |
| mbedtls_svc_key_id_t *keys = NULL; |
| size_t max_keys = max_keys_arg; |
| size_t i, j; |
| psa_status_t status; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| uint8_t exported[sizeof( size_t )]; |
| size_t exported_length; |
| |
| ASSERT_ALLOC( keys, max_keys ); |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT ); |
| psa_set_key_algorithm( &attributes, 0 ); |
| psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA ); |
| |
| for( i = 0; i < max_keys; i++ ) |
| { |
| status = psa_import_key( &attributes, |
| (uint8_t *) &i, sizeof( i ), |
| &keys[i] ); |
| if( status == PSA_ERROR_INSUFFICIENT_MEMORY ) |
| break; |
| PSA_ASSERT( status ); |
| TEST_ASSERT( ! mbedtls_svc_key_id_is_null( keys[i] ) ); |
| for( j = 0; j < i; j++ ) |
| TEST_ASSERT( ! mbedtls_svc_key_id_equal( keys[i], keys[j] ) ); |
| } |
| max_keys = i; |
| |
| for( i = 1; i < max_keys; i++ ) |
| { |
| PSA_ASSERT( psa_close_key( keys[i - 1] ) ); |
| PSA_ASSERT( psa_export_key( keys[i], |
| exported, sizeof( exported ), |
| &exported_length ) ); |
| ASSERT_COMPARE( exported, exported_length, |
| (uint8_t *) &i, sizeof( i ) ); |
| } |
| PSA_ASSERT( psa_close_key( keys[i - 1] ) ); |
| |
| exit: |
| PSA_DONE( ); |
| mbedtls_free( keys ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */ |
| void key_slot_eviction_to_import_new_key( int lifetime_arg ) |
| { |
| psa_key_lifetime_t lifetime = (psa_key_lifetime_t)lifetime_arg; |
| size_t i; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| uint8_t exported[sizeof( size_t )]; |
| size_t exported_length; |
| mbedtls_svc_key_id_t key, returned_key_id; |
| |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT ); |
| psa_set_key_algorithm( &attributes, 0 ); |
| psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA ); |
| |
| /* |
| * Create MBEDTLS_PSA_KEY_SLOT_COUNT persistent keys. |
| */ |
| for( i = 0; i < MBEDTLS_PSA_KEY_SLOT_COUNT; i++ ) |
| { |
| key = mbedtls_svc_key_id_make( i, i + 1 ); |
| psa_set_key_id( &attributes, key ); |
| PSA_ASSERT( psa_import_key( &attributes, |
| (uint8_t *) &i, sizeof( i ), |
| &returned_key_id ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( returned_key_id, key ) ); |
| } |
| |
| /* |
| * Create a new persistent or volatile key. When creating the key, |
| * one of the descriptions of the previously created persistent keys |
| * is removed from the RAM key slots. This makes room to store its |
| * description in RAM. |
| */ |
| i = MBEDTLS_PSA_KEY_SLOT_COUNT; |
| key = mbedtls_svc_key_id_make( i, i + 1 ); |
| psa_set_key_id( &attributes, key ); |
| psa_set_key_lifetime( &attributes, lifetime ); |
| |
| PSA_ASSERT( psa_import_key( &attributes, |
| (uint8_t *) &i, sizeof( i ), |
| &returned_key_id ) ); |
| if( lifetime != PSA_KEY_LIFETIME_VOLATILE ) |
| TEST_ASSERT( mbedtls_svc_key_id_equal( returned_key_id, key ) ); |
| else |
| TEST_ASSERT( psa_key_id_is_volatile( |
| MBEDTLS_SVC_KEY_ID_GET_KEY_ID( returned_key_id ) ) ); |
| |
| /* |
| * Check that we can export all ( MBEDTLS_PSA_KEY_SLOT_COUNT + 1 ) keys, |
| * that they have the expected value and destroy them. In that process, |
| * the description of the persistent key that was evicted from the RAM |
| * slots when creating the last key is restored in a RAM slot to export |
| * its value. |
| */ |
| for( i = 0; i <= MBEDTLS_PSA_KEY_SLOT_COUNT; i++ ) |
| { |
| if( i < MBEDTLS_PSA_KEY_SLOT_COUNT ) |
| key = mbedtls_svc_key_id_make( i, i + 1 ); |
| else |
| key = returned_key_id; |
| |
| PSA_ASSERT( psa_export_key( key, |
| exported, sizeof( exported ), |
| &exported_length ) ); |
| ASSERT_COMPARE( exported, exported_length, |
| (uint8_t *) &i, sizeof( i ) ); |
| PSA_ASSERT( psa_destroy_key( key ) ); |
| } |
| |
| exit: |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */ |
| void non_reusable_key_slots_integrity_in_case_of_key_slot_starvation( ) |
| { |
| psa_status_t status; |
| size_t i; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| uint8_t exported[sizeof( size_t )]; |
| size_t exported_length; |
| mbedtls_svc_key_id_t persistent_key = MBEDTLS_SVC_KEY_ID_INIT; |
| mbedtls_svc_key_id_t persistent_key2 = MBEDTLS_SVC_KEY_ID_INIT; |
| mbedtls_svc_key_id_t returned_key_id = MBEDTLS_SVC_KEY_ID_INIT; |
| mbedtls_svc_key_id_t *keys = NULL; |
| |
| TEST_ASSERT( MBEDTLS_PSA_KEY_SLOT_COUNT >= 1 ); |
| |
| ASSERT_ALLOC( keys, MBEDTLS_PSA_KEY_SLOT_COUNT ); |
| PSA_ASSERT( psa_crypto_init( ) ); |
| |
| psa_set_key_usage_flags( &attributes, |
| PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_COPY ); |
| psa_set_key_algorithm( &attributes, 0 ); |
| psa_set_key_type( &attributes, PSA_KEY_TYPE_RAW_DATA ); |
| |
| /* |
| * Create a persistent key |
| */ |
| persistent_key = mbedtls_svc_key_id_make( 0x100, 0x205 ); |
| psa_set_key_id( &attributes, persistent_key ); |
| PSA_ASSERT( psa_import_key( &attributes, |
| (uint8_t *) &persistent_key, |
| sizeof( persistent_key ), |
| &returned_key_id ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( returned_key_id, persistent_key ) ); |
| |
| /* |
| * Create MBEDTLS_PSA_KEY_SLOT_COUNT volatile keys |
| */ |
| psa_set_key_lifetime( &attributes, PSA_KEY_LIFETIME_VOLATILE ); |
| for( i = 0; i < MBEDTLS_PSA_KEY_SLOT_COUNT; i++ ) |
| { |
| PSA_ASSERT( psa_import_key( &attributes, |
| (uint8_t *) &i, sizeof( i ), |
| &keys[i]) ); |
| } |
| psa_reset_key_attributes( &attributes ); |
| |
| /* |
| * Check that we cannot access the persistent key as all slots are |
| * occupied by volatile keys and the implementation needs to load the |
| * persistent key description in a slot to be able to access it. |
| */ |
| status = psa_get_key_attributes( persistent_key, &attributes ); |
| TEST_EQUAL( status, PSA_ERROR_INSUFFICIENT_MEMORY ); |
| |
| /* |
| * Check we can export the volatile key created last and that it has the |
| * expected value. Then, destroy it. |
| */ |
| PSA_ASSERT( psa_export_key( keys[MBEDTLS_PSA_KEY_SLOT_COUNT - 1], |
| exported, sizeof( exported ), |
| &exported_length ) ); |
| i = MBEDTLS_PSA_KEY_SLOT_COUNT - 1; |
| ASSERT_COMPARE( exported, exported_length, (uint8_t *) &i, sizeof( i ) ); |
| PSA_ASSERT( psa_destroy_key( keys[MBEDTLS_PSA_KEY_SLOT_COUNT - 1] ) ); |
| |
| /* |
| * Check that we can now access the persistent key again. |
| */ |
| PSA_ASSERT( psa_get_key_attributes( persistent_key, &attributes ) ); |
| TEST_ASSERT( mbedtls_svc_key_id_equal( attributes.core.id, |
| persistent_key ) ); |
| |
| /* |
| * Check that we cannot copy the persistent key as all slots are occupied |
| * by the persistent key and the volatile keys and the slot containing the |
| * persistent key cannot be reclaimed as it contains the key to copy. |
| */ |
| persistent_key2 = mbedtls_svc_key_id_make( 0x100, 0x204 ); |
| psa_set_key_id( &attributes, persistent_key2 ); |
| status = psa_copy_key( persistent_key, &attributes, &returned_key_id ); |
| TEST_EQUAL( status, PSA_ERROR_INSUFFICIENT_MEMORY ); |
| |
| /* |
| * Check we can export the remaining volatile keys and that they have the |
| * expected values. |
| */ |
| for( i = 0; i < ( MBEDTLS_PSA_KEY_SLOT_COUNT - 1 ); i++ ) |
| { |
| PSA_ASSERT( psa_export_key( keys[i], |
| exported, sizeof( exported ), |
| &exported_length ) ); |
| ASSERT_COMPARE( exported, exported_length, |
| (uint8_t *) &i, sizeof( i ) ); |
| PSA_ASSERT( psa_destroy_key( keys[i] ) ); |
| } |
| |
| /* |
| * Check we can export the persistent key and that it have the expected |
| * value. |
| */ |
| |
| PSA_ASSERT( psa_export_key( persistent_key, exported, sizeof( exported ), |
| &exported_length ) ); |
| ASSERT_COMPARE( exported, exported_length, |
| (uint8_t *) &persistent_key, sizeof( persistent_key ) ); |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes( &attributes ); |
| |
| psa_destroy_key( persistent_key ); |
| PSA_DONE( ); |
| mbedtls_free( keys ); |
| } |
| /* END_CASE */ |
