1 files changed, 5 insertions, 0 deletions
diff --git a/checksum.h b/checksum.h
index fb987e1..0212923 100644
--- a/checksum.h
+++ b/checksum.h
@@ -1,3 +1,8 @@
+/* SPDX-License-Identifier: AGPL-3.0-or-later
+ * Copyright (c) 2021 Red Hat GmbH
+ * Author: Stefano Brivio <sbrivio@redhat.com>
+ */
+
 uint32_t sum_16b(void *buf, size_t len);
 uint16_t csum_fold(uint32_t sum);
 uint16_t csum_unaligned(void *buf, size_t len, uint32_t init);