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/***************************************************************************\
* *
* BitlBee - An IRC to IM gateway *
* Simple (but secure) RC4 implementation for safer password storage. *
* *
* Copyright 2006 Wilmer van der Gaast <wilmer@gaast.net> *
* *
* This program 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 this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
\***************************************************************************/
struct rc4_state
{
unsigned char S[256];
unsigned char i, j;
};
struct rc4_state *rc4_keymaker( unsigned char *key, int kl, int cycles );
unsigned char rc4_getbyte( struct rc4_state *st );
int rc4_encode( unsigned char *clear, int clear_len, unsigned char **crypt, char *password );
int rc4_decode( unsigned char *crypt, int crypt_len, unsigned char **clear, char *password );
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