diff --git a/rijndael.c b/rijndael.c
index b7077a7..1478c12 100644
--- a/rijndael.c
+++ b/rijndael.c
@@ -1,3 +1,5 @@
+/*	$OpenBSD: rijndael.c,v 1.12 2001/09/13 09:48:39 markus Exp $ */
+
 /**
  * rijndael-alg-fst.c
  *