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-rw-r--r--crypto/ripemd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/ripemd.h b/crypto/ripemd.h
index c57a2d4ce8d9..93edbf52197d 100644
--- a/crypto/ripemd.h
+++ b/crypto/ripemd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Common values for RIPEMD algorithms
*/