1 files changed, 37 insertions, 0 deletions
diff --git a/src/lib/des425/weak_key.c b/src/lib/des425/weak_key.c
new file mode 100644
index 000000000..74b0fc883
--- /dev/null
+++ b/src/lib/des425/weak_key.c
@@ -0,0 +1,37 @@
+/*
+ * $Source$
+ * $Author$
+ *
+ * Copyright 1989,1990 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * For copying and distribution information, please see the file
+ * <krb5/copyright.h>.
+ *
+ * Under U.S. law, this software may not be exported outside the US
+ * without license from the U.S. Commerce department.
+ *
+ * These routines form the library interface to the DES facilities.
+ *
+ * Originally written 8/85 by Steve Miller, MIT Project Athena.
+ */
+
+#if !defined(lint) && !defined(SABER)
+static char rcsid_weak_key_c[] =
+"$Id$";
+#endif	/* !lint & !SABER */
+
+#include "des.h"
+#include <krb5/ext-proto.h>
+
+/*
+ * mit_des_is_weak_key: returns true iff key is a [semi-]weak des key.
+ *
+ * Requires: key has correct odd parity.
+ */
+int
+des_is_weak_key(key)
+     mit_des_cblock key;
+{
+	return (mit_des_is_weak_key(key));
+}