/*
- * Blowfish
+ * Blowfish mechanism for udp tunnel
*
+ * mechanisms: blowfish-cbc, blowfish-cbcmac
* arguments: key size in bits (must be multiple of 8)
*
* key values: 8 byte random IV and n byte random key
*
+ * restrictions: plaintext length must be multiple of block size (8 bytes)
* encoding: do CBC encryption overwriting message
* encoding for MAC: do CBC and prepend last ciphertext block
*/
+/*
+ * This file is part of ipif, part of userv-utils
+ *
+ * Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+ * Copyright 1999,2003
+ * Chancellor Masters and Scholars of the University of Cambridge
+ * Copyright 2010 Tony Finch <fanf@dotat.at>
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with userv-utils; if not, see http://www.gnu.org/licenses/.
+ */
#include "forwarder.h"
#include "blowfish.h"