diff --git a/crypto/ecc.c b/crypto/ecc.c
index 2a980c4432d..6febe788997 100644
--- a/crypto/ecc.c
+++ b/crypto/ecc.c
@@ -1,6 +1,8 @@
 /****************************************************************************
  * crypto/ecc.c
  *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c) 2013, Kenneth MacKay All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/crypto/ecc.h b/include/crypto/ecc.h
index 3c130e4b9dc..79c6026b6e2 100644
--- a/include/crypto/ecc.h
+++ b/include/crypto/ecc.h
@@ -1,6 +1,8 @@
 /****************************************************************************
  * include/crypto/ecc.h
  *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c) 2013, Kenneth MacKay All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without