1 files changed, 41 insertions, 0 deletions
diff --git a/src/util/hex_code.h b/src/util/hex_code.h
new file mode 100644
index 0000000..0936cdc
--- /dev/null
+++ b/src/util/hex_code.h
@@ -0,0 +1,41 @@
+#ifndef _HEX_CODE_H_INCLUDED_
+#define _HEX_CODE_H_INCLUDED_
+
+/*++
+/* NAME
+/*	hex_code 3h
+/* SUMMARY
+/*	encode/decode data, hexadecimal style
+/* SYNOPSIS
+/*	#include <hex_code.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * Utility library.
+ */
+#include <vstring.h>
+
+ /*
+  * External interface.
+  */
+extern VSTRING *hex_encode(VSTRING *, const char *, ssize_t);
+extern VSTRING *WARN_UNUSED_RESULT hex_decode(VSTRING *, const char *, ssize_t);
+
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+#endif