2 cipher.c -- header file for cipher.c
3 Copyright (C) 1999,2000 Ivo Timmermans <zarq@iname.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __TINC_CIPHER_H__
21 #define __TINC_CIPHER_H__
23 #include "blowfish/blowfish.h"
31 extern BF_KEY encryption_key;
33 void low_crypt_key(unsigned char*, unsigned char*, BF_KEY*, long, int);
35 void do_encrypt(vpn_packet_t *in, real_packet_t *out, enc_key_t *);
36 void do_decrypt(real_packet_t *in, vpn_packet_t *out, enc_key_t *);
38 void cipher_set_key(BF_KEY*, int, char*);
41 #endif /* __TINC_CIPHER_H__ */