Fix PSA AEAD GCM's update output buffer length verification.
Move GCM's update output buffer length verification
from PSA AEAD to the built-in implementation of the GCM.
Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
index c530e6b..816ebc4 100644
--- a/tests/suites/test_suite_gcm.function
+++ b/tests/suites/test_suite_gcm.function
@@ -431,6 +431,30 @@
}
/* END_CASE */
+/* BEGIN_CASE */
+void gcm_update_output_buffer_too_small( int cipher_id, int mode,
+ data_t * key_str, const data_t *input,
+ const data_t *iv )
+{
+ mbedtls_gcm_context ctx;
+ uint8_t *output = NULL;
+ size_t olen;
+ size_t output_len = input->len - 1;
+
+ mbedtls_gcm_init( &ctx );
+ TEST_EQUAL( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ), 0 );
+ TEST_EQUAL( 0, mbedtls_gcm_starts( &ctx, mode, iv->x, iv->len ) );
+
+ ASSERT_ALLOC( output, output_len );
+ olen = 0xdeadbeef;
+ TEST_EQUAL( MBEDTLS_ERR_GCM_BUFFER_TOO_SMALL, mbedtls_gcm_update( &ctx, input->x, input->len, output, output_len, &olen ) );
+
+exit:
+ mbedtls_free( output );
+ mbedtls_gcm_free( &ctx );
+}
+/* END_CASE */
+
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void gcm_selftest( )
{