X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=userv-utils.git;a=blobdiff_plain;f=ipif%2Fmech-blowfish.c;h=40d1de24fcc39fa8d69ed7b71c98381a0419ed95;hp=65e3311cec21bea7f0b05baf0bf3f3114d6d4faa;hb=f0aa028edd42fec09cf17b7831bc00adc2ba6d31;hpb=ed509ebded419ce594b9c6a6942cf41033a7a16b

diff --git a/ipif/mech-blowfish.c b/ipif/mech-blowfish.c
index 65e3311..40d1de2 100644
--- a/ipif/mech-blowfish.c
+++ b/ipif/mech-blowfish.c
@@ -1,13 +1,32 @@
 /*
- * 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
  */
+/*
+ * Copyright (C) 2000 Ian Jackson
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
 
 #include "forwarder.h"
 #include "blowfish.h"