Key agreement test functions
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index b7b7c4c..fc02453 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -3792,6 +3792,87 @@
/* END_CASE */
/* BEGIN_CASE */
+void key_agreement_capacity( int alg_arg,
+ int our_key_type_arg, data_t *our_key_data,
+ data_t *peer_key_data,
+ int expected_capacity_arg )
+{
+ psa_key_slot_t our_key = 1;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_crypto_generator_t generator = PSA_CRYPTO_GENERATOR_INIT;
+ psa_key_policy_t policy;
+ size_t actual_capacity;
+
+ TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
+
+ psa_key_policy_init( &policy );
+ psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_DERIVE, alg );
+ TEST_ASSERT( psa_set_key_policy( our_key, &policy ) == PSA_SUCCESS );
+ TEST_ASSERT( psa_import_key( our_key, our_key_type,
+ our_key_data->x,
+ our_key_data->len ) == PSA_SUCCESS );
+
+ TEST_ASSERT( psa_key_agreement( &generator,
+ our_key,
+ peer_key_data->x, peer_key_data->len,
+ alg ) == PSA_SUCCESS );
+
+ TEST_ASSERT( psa_get_generator_capacity(
+ &generator, &actual_capacity ) == PSA_SUCCESS );
+ TEST_ASSERT( actual_capacity == (size_t) expected_capacity_arg );
+
+exit:
+ psa_generator_abort( &generator );
+ psa_destroy_key( our_key );
+ mbedtls_psa_crypto_free( );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_agreement_output( int alg_arg,
+ int our_key_type_arg, data_t *our_key_data,
+ data_t *peer_key_data,
+ data_t *expected_output )
+{
+ psa_key_slot_t our_key = 1;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_crypto_generator_t generator = PSA_CRYPTO_GENERATOR_INIT;
+ psa_key_policy_t policy;
+ uint8_t *actual_output = mbedtls_calloc( 1, expected_output->len );
+
+ TEST_ASSERT( actual_output != NULL );
+
+ TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
+
+ psa_key_policy_init( &policy );
+ psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_DERIVE, alg );
+ TEST_ASSERT( psa_set_key_policy( our_key, &policy ) == PSA_SUCCESS );
+ TEST_ASSERT( psa_import_key( our_key, our_key_type,
+ our_key_data->x,
+ our_key_data->len ) == PSA_SUCCESS );
+
+ TEST_ASSERT( psa_key_agreement( &generator,
+ our_key,
+ peer_key_data->x, peer_key_data->len,
+ alg ) == PSA_SUCCESS );
+
+ TEST_ASSERT( psa_generator_read( &generator,
+ actual_output,
+ expected_output->len ) == PSA_SUCCESS );
+ TEST_ASSERT( memcmp( actual_output, expected_output->x,
+ expected_output->len ) == 0 );
+
+exit:
+ psa_generator_abort( &generator );
+ psa_destroy_key( our_key );
+ mbedtls_psa_crypto_free( );
+ mbedtls_free( actual_output );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
void generate_random( int bytes_arg )
{
size_t bytes = bytes_arg;