| 1 | /***************************************************************************\ |
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| 2 | * * |
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| 3 | * BitlBee - An IRC to IM gateway * |
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| 4 | * Simple (but secure) ArcFour implementation for safer password storage. * |
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| 5 | * * |
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| 6 | * Copyright 2007 Wilmer van der Gaast <wilmer@gaast.net> * |
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| 7 | * * |
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| 8 | * This program is free software; you can redistribute it and/or modify * |
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| 9 | * it under the terms of the GNU General Public License as published by * |
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| 10 | * the Free Software Foundation; either version 2 of the License, or * |
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| 11 | * (at your option) any later version. * |
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| 12 | * * |
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| 13 | * This program is distributed in the hope that it will be useful, * |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 16 | * GNU General Public License for more details. * |
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| 17 | * * |
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| 18 | * You should have received a copy of the GNU General Public License along * |
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| 19 | * with this program; if not, write to the Free Software Foundation, Inc., * |
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| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
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| 21 | * * |
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| 22 | \***************************************************************************/ |
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| 23 | |
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| 24 | |
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| 25 | /* See arc.c for more information. */ |
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| 26 | |
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| 27 | struct arc_state |
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| 28 | { |
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| 29 | unsigned char S[256]; |
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| 30 | unsigned char i, j; |
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| 31 | }; |
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| 32 | |
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| 33 | G_GNUC_MALLOC struct arc_state *arc_keymaker( unsigned char *key, int kl, int cycles ); |
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| 34 | unsigned char arc_getbyte( struct arc_state *st ); |
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| 35 | int arc_encode( char *clear, int clear_len, unsigned char **crypt, char *password, int pad_to ); |
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| 36 | int arc_decode( unsigned char *crypt, int crypt_len, char **clear, char *password ); |
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