diff --git a/scripts/rsp_to_gcm_test.py b/scripts/rsp_to_gcm_test.py
index e4418be..cef4598 100755
--- a/scripts/rsp_to_gcm_test.py
+++ b/scripts/rsp_to_gcm_test.py
@@ -1,4 +1,8 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2017, Linaro Limited
+#
 
 modes = {'encrypt': 0, 'decrypt': 1}