diff --git a/aws-lc-rs/src/cipher/padded.rs b/aws-lc-rs/src/cipher/padded.rs
index 81bb8284a05..379532ffaa8 100644
--- a/aws-lc-rs/src/cipher/padded.rs
+++ b/aws-lc-rs/src/cipher/padded.rs
@@ -1,3 +1,5 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0 OR ISC
 use crate::cipher;
 use crate::cipher::key::SymmetricCipherKey;
 use crate::cipher::{