2 Unix SMB/CIFS implementation.
4 a partial implementation of RC4 designed for use in the
5 SMB authentication protocol
7 Copyright (C) Andrew Tridgell 1998
9 $Id: crypt-rc4.h,v 1.2 2002/12/11 19:31:02 guy Exp $
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 typedef struct _rc4_state_struct {
27 unsigned char s_box[256];
28 unsigned char index_i;
29 unsigned char index_j;
32 void crypt_rc4_init(rc4_state_struct *rc4_state,
33 const unsigned char *key, int key_len);
35 void crypt_rc4(rc4_state_struct *rc4_state, unsigned char *data, int data_len);