Merge remote-tracking branch 'psa/pr/14' into feature-psa
Conflict resolution: * `tests/suites/test_suite_psa_crypto.data`: in the new tests from PR #14, rename `PSA_ALG_RSA_PKCS1V15_RAW` to `PSA_ALG_RSA_PKCS1V15_SIGN_RAW` as was done in PR #15 in the other branch.
This commit is contained in:
Gilles Peskine
itayzafrir
commit
c63b6ba754
4 changed files with 222 additions and 4 deletions
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@ -82,6 +82,8 @@ struct psa_mac_operation_s
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int iv_required : 1;
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int iv_set : 1;
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int has_input : 1;
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int key_usage_sign : 1;
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int key_usage_verify : 1;
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uint8_t mac_size;
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union
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{
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@ -96,6 +96,7 @@ static inline int safer_memcmp( const uint8_t *a, const uint8_t *b, size_t n )
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typedef struct {
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psa_key_type_t type;
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psa_key_policy_t policy;
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union {
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struct raw_data {
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uint8_t *data;
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@ -468,6 +469,9 @@ psa_status_t psa_export_key(psa_key_slot_t key,
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if( slot->type == PSA_KEY_TYPE_NONE )
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return( PSA_ERROR_EMPTY_SLOT );
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if( !( slot->policy.usage & PSA_KEY_USAGE_EXPORT ) )
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return( PSA_ERROR_NOT_PERMITTED );
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if( PSA_KEY_TYPE_IS_RAW_BYTES( slot->type ) )
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{
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if( slot->data.raw.bytes > data_size )
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@ -982,6 +986,12 @@ psa_status_t psa_mac_start( psa_mac_operation_t *operation,
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return( status );
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slot = &global_data.key_slots[key];
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if ( ( slot->policy.usage & PSA_KEY_USAGE_SIGN ) != 0 )
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operation->key_usage_sign = 1;
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if ( ( slot->policy.usage & PSA_KEY_USAGE_VERIFY ) != 0 )
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operation->key_usage_verify = 1;
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if( ! PSA_ALG_IS_HMAC( alg ) )
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{
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cipher_info = mbedtls_cipher_info_from_psa( alg, key_type, key_bits );
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@ -1080,7 +1090,7 @@ psa_status_t psa_mac_update( psa_mac_operation_t *operation,
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return( mbedtls_to_psa_error( ret ) );
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}
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psa_status_t psa_mac_finish( psa_mac_operation_t *operation,
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static psa_status_t psa_mac_finish_internal( psa_mac_operation_t *operation,
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uint8_t *mac,
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size_t mac_size,
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size_t *mac_length )
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@ -1132,6 +1142,17 @@ psa_status_t psa_mac_finish( psa_mac_operation_t *operation,
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}
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}
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psa_status_t psa_mac_finish( psa_mac_operation_t *operation,
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uint8_t *mac,
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size_t mac_size,
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size_t *mac_length )
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{
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if( !( operation->key_usage_sign ) )
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return( PSA_ERROR_NOT_PERMITTED );
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return( psa_mac_finish_internal(operation, mac, mac_size, mac_length ) );
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}
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#define MBEDTLS_PSA_MAC_MAX_SIZE \
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( MBEDTLS_MD_MAX_SIZE > MBEDTLS_MAX_BLOCK_LENGTH ? \
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MBEDTLS_MD_MAX_SIZE : \
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@ -1142,9 +1163,14 @@ psa_status_t psa_mac_verify( psa_mac_operation_t *operation,
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{
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uint8_t actual_mac[MBEDTLS_PSA_MAC_MAX_SIZE];
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size_t actual_mac_length;
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psa_status_t status = psa_mac_finish( operation,
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actual_mac, sizeof( actual_mac ),
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&actual_mac_length );
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psa_status_t status;
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if( !( operation->key_usage_verify ) )
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return( PSA_ERROR_NOT_PERMITTED );
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status = psa_mac_finish_internal( operation,
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actual_mac, sizeof( actual_mac ),
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&actual_mac_length );
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if( status != PSA_SUCCESS )
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return( status );
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if( actual_mac_length != mac_length )
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@ -1184,6 +1210,8 @@ psa_status_t psa_asymmetric_sign(psa_key_slot_t key,
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return( PSA_ERROR_EMPTY_SLOT );
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if( ! PSA_KEY_TYPE_IS_KEYPAIR( slot->type ) )
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return( PSA_ERROR_INVALID_ARGUMENT );
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if( !( slot->policy.usage & PSA_KEY_USAGE_SIGN ) )
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return( PSA_ERROR_NOT_PERMITTED );
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#if defined(MBEDTLS_RSA_C)
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if( slot->type == PSA_KEY_TYPE_RSA_KEYPAIR )
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@ -1260,6 +1288,69 @@ psa_status_t psa_asymmetric_sign(psa_key_slot_t key,
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}
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/****************************************************************/
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/* Key Policy */
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/****************************************************************/
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void psa_key_policy_init(psa_key_policy_t *policy)
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{
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memset( policy, 0, sizeof( psa_key_policy_t ) );
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}
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void psa_key_policy_set_usage(psa_key_policy_t *policy,
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psa_key_usage_t usage,
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psa_algorithm_t alg)
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{
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policy->usage = usage;
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policy->alg = alg;
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}
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psa_key_usage_t psa_key_policy_get_usage(psa_key_policy_t *policy)
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{
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return( policy->usage );
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}
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psa_algorithm_t psa_key_policy_get_algorithm(psa_key_policy_t *policy)
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{
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return( policy->alg );
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}
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psa_status_t psa_set_key_policy(psa_key_slot_t key,
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const psa_key_policy_t *policy)
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{
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key_slot_t *slot;
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if( key == 0 || key > MBEDTLS_PSA_KEY_SLOT_COUNT || policy == NULL )
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return( PSA_ERROR_INVALID_ARGUMENT );
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slot = &global_data.key_slots[key];
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if( slot->type != PSA_KEY_TYPE_NONE )
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return( PSA_ERROR_OCCUPIED_SLOT );
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if( ( policy->usage & ~( PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_ENCRYPT
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| PSA_KEY_USAGE_DECRYPT | PSA_KEY_USAGE_SIGN
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| PSA_KEY_USAGE_VERIFY ) ) != 0 )
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return( PSA_ERROR_INVALID_ARGUMENT );
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slot->policy = *policy;
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return( PSA_SUCCESS );
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}
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psa_status_t psa_get_key_policy(psa_key_slot_t key,
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psa_key_policy_t *policy)
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{
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key_slot_t *slot;
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if( key == 0 || key > MBEDTLS_PSA_KEY_SLOT_COUNT || policy == NULL )
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return( PSA_ERROR_INVALID_ARGUMENT );
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slot = &global_data.key_slots[key];
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*policy = slot->policy;
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return( PSA_SUCCESS );
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}
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/****************************************************************/
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/* Module setup */
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@ -83,3 +83,12 @@ sign_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"3082025e02010002818100af057d396ee84fb75fdbb5
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PSA sign RSA PKCS#1 v1.5 SHA-256, output buffer too small
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sign_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15_SIGN(PSA_ALG_SHA_256):"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad":127:PSA_ERROR_BUFFER_TOO_SMALL
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PSA Key Policy set and get
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key_policy:PSA_KEY_USAGE_ENCRYPT:PSA_ALG_CBC_BASE
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PSA Key Policy enforcement - export
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key_policy_fail:PSA_KEY_USAGE_EXPORT:PSA_ALG_RSA_PKCS1V15_SIGN_RAW:PSA_ERROR_NOT_PERMITTED:"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"
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PSA Key Policy enforcement - sign
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key_policy_fail:PSA_KEY_USAGE_SIGN:PSA_ALG_RSA_PKCS1V15_SIGN_RAW:PSA_ERROR_NOT_PERMITTED:"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"
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@ -68,6 +68,7 @@ void import_export( char *hex, int type_arg,
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size_t reexported_length;
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psa_key_type_t got_type;
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size_t got_bits;
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psa_key_policy_t policy = {0};
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data = unhexify_alloc( hex, &data_size );
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TEST_ASSERT( data != NULL );
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@ -81,6 +82,13 @@ void import_export( char *hex, int type_arg,
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}
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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psa_key_policy_init( &policy );
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psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT,
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PSA_ALG_VENDOR_FLAG );
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TEST_ASSERT( psa_set_key_policy( slot, &policy ) == PSA_SUCCESS );
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/* Import the key */
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TEST_ASSERT( psa_import_key( slot, type,
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data, data_size ) == PSA_SUCCESS );
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@ -107,6 +115,8 @@ void import_export( char *hex, int type_arg,
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}
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else
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{
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TEST_ASSERT( psa_set_key_policy( slot2, &policy ) == PSA_SUCCESS );
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TEST_ASSERT( psa_import_key( slot2, type,
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exported, export_size ) ==
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PSA_SUCCESS );
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@ -211,6 +221,7 @@ void mac_verify( int key_type_arg, char *key_hex,
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unsigned char *expected_mac = NULL;
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size_t expected_mac_size;
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psa_mac_operation_t operation;
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psa_key_policy_t policy;
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key = unhexify_alloc( key_hex, &key_size );
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TEST_ASSERT( key != NULL );
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@ -226,6 +237,12 @@ void mac_verify( int key_type_arg, char *key_hex,
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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psa_key_policy_init( &policy );
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psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_VERIFY, alg_arg );
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TEST_ASSERT( psa_set_key_policy( key_slot, &policy ) == PSA_SUCCESS );
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TEST_ASSERT( psa_import_key( key_slot, key_type,
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key, key_size ) == PSA_SUCCESS );
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// TODO: support IV
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@ -276,6 +293,7 @@ void sign_deterministic( int key_type_arg, char *key_hex,
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unsigned char *signature = NULL;
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size_t signature_size;
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size_t signature_length = 0xdeadbeef;
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psa_key_policy_t policy = {0};
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key_data = unhexify_alloc( key_hex, &key_size );
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TEST_ASSERT( key_data != NULL );
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@ -286,6 +304,12 @@ void sign_deterministic( int key_type_arg, char *key_hex,
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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psa_key_policy_init( &policy );
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psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_SIGN, alg_arg );
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TEST_ASSERT( psa_set_key_policy( slot, &policy ) == PSA_SUCCESS );
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TEST_ASSERT( psa_import_key( slot, key_type,
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key_data, key_size ) == PSA_SUCCESS );
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TEST_ASSERT( psa_get_key_information( slot,
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@ -331,6 +355,7 @@ void sign_fail( int key_type_arg, char *key_hex,
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psa_status_t expected_status = expected_status_arg;
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unsigned char *signature = NULL;
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size_t signature_length = 0xdeadbeef;
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psa_key_policy_t policy = {0};
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key_data = unhexify_alloc( key_hex, &key_size );
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TEST_ASSERT( key_data != NULL );
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@ -341,6 +366,12 @@ void sign_fail( int key_type_arg, char *key_hex,
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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psa_key_policy_init( &policy );
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psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_SIGN, alg_arg );
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TEST_ASSERT( psa_set_key_policy( slot, &policy ) == PSA_SUCCESS );
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TEST_ASSERT( psa_import_key( slot, key_type,
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key_data, key_size ) == PSA_SUCCESS );
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@ -360,3 +391,88 @@ exit:
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mbedtls_psa_crypto_free( );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void key_policy( int usage_arg, int alg_arg )
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{
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int key_slot = 1;
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psa_key_type_t key_type = PSA_KEY_TYPE_AES;
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unsigned char key[32] = {0};
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psa_key_policy_t policy_set = {0};
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psa_key_policy_t policy_get = {0};
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memset( key, 0x2a, sizeof( key ) );
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TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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psa_key_policy_init(& policy_set );
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psa_key_policy_init(& policy_get );
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psa_key_policy_set_usage( &policy_set, usage_arg, alg_arg );
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TEST_ASSERT( psa_key_policy_get_usage( &policy_set ) == ( psa_key_usage_t )usage_arg );
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TEST_ASSERT( psa_key_policy_get_algorithm( &policy_set) == ( psa_algorithm_t )alg_arg );
|
||||
|
||||
TEST_ASSERT( psa_set_key_policy( key_slot, &policy_set ) == PSA_SUCCESS );
|
||||
|
||||
TEST_ASSERT( psa_import_key( key_slot, key_type,
|
||||
key, sizeof( key ) ) == PSA_SUCCESS );
|
||||
|
||||
TEST_ASSERT( psa_get_key_policy( key_slot, &policy_get ) == PSA_SUCCESS );
|
||||
|
||||
TEST_ASSERT( policy_get.usage == policy_set.usage );
|
||||
TEST_ASSERT( policy_get.alg == policy_set.alg );
|
||||
|
||||
exit:
|
||||
psa_destroy_key( key_slot );
|
||||
mbedtls_psa_crypto_free( );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void key_policy_fail( int usage_arg, int alg_arg, int expected_status, char *key_hex )
|
||||
{
|
||||
int key_slot = 1;
|
||||
unsigned char* keypair = NULL;
|
||||
size_t key_size = 0;
|
||||
size_t signature_length = 0;
|
||||
psa_key_policy_t policy = {0};
|
||||
int actual_status = PSA_SUCCESS;
|
||||
|
||||
TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
|
||||
|
||||
psa_key_policy_init( &policy );
|
||||
|
||||
psa_key_policy_set_usage( &policy, usage_arg, alg_arg );
|
||||
|
||||
TEST_ASSERT( psa_set_key_policy( key_slot, &policy ) == PSA_SUCCESS );
|
||||
|
||||
if( usage_arg & PSA_KEY_USAGE_EXPORT )
|
||||
{
|
||||
keypair = unhexify_alloc( key_hex, &key_size );
|
||||
TEST_ASSERT( keypair != NULL );
|
||||
TEST_ASSERT( psa_import_key( key_slot, PSA_KEY_TYPE_RSA_KEYPAIR,
|
||||
keypair, key_size ) == PSA_SUCCESS );
|
||||
actual_status = psa_asymmetric_sign( key_slot,
|
||||
( psa_algorithm_t )alg_arg, NULL, 0, NULL, 0,
|
||||
NULL, 0, &signature_length );
|
||||
}
|
||||
|
||||
if( usage_arg & PSA_KEY_USAGE_SIGN )
|
||||
{
|
||||
keypair = unhexify_alloc( key_hex, &key_size );
|
||||
TEST_ASSERT( keypair != NULL );
|
||||
TEST_ASSERT( psa_import_key( key_slot, PSA_KEY_TYPE_RSA_KEYPAIR,
|
||||
keypair, key_size ) == PSA_SUCCESS );
|
||||
actual_status = psa_export_key( key_slot, NULL, 0, NULL );
|
||||
}
|
||||
|
||||
TEST_ASSERT( actual_status == expected_status );
|
||||
|
||||
exit:
|
||||
psa_destroy_key( key_slot );
|
||||
mbedtls_free( keypair );
|
||||
mbedtls_psa_crypto_free( );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
|
|
|||
Loading…
Reference in a new issue