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-rw-r--r--include/crypto/chacha20.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/crypto/chacha20.h b/include/crypto/chacha20.h
index 445fc45f4b5b..caaa470389e0 100644
--- a/include/crypto/chacha20.h
+++ b/include/crypto/chacha20.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Common values for the ChaCha20 algorithm
*/