Renaming RC4 to ArcFour (possible trademark issues).

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/arc.h b/lib/arc.h
new file mode 100644
index 00000000..882372ed
--- /dev/null
+++ b/lib/arc.h
@@ -0,0 +1,36 @@
+/***************************************************************************\
+*                                                                           *
+*  BitlBee - An IRC to IM gateway                                           *
+*  Simple (but secure) ArcFour implementation for safer password storage.   *
+*                                                                           *
+*  Copyright 2007 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.              *
+*                                                                           *
+\***************************************************************************/
+
+
+/* See arc.c for more information. */
+
+struct arc_state
+{
+	unsigned char S[256];
+	unsigned char i, j;
+};
+
+struct arc_state *arc_keymaker( unsigned char *key, int kl, int cycles );
+unsigned char arc_getbyte( struct arc_state *st );
+int arc_encode( char *clear, int clear_len, unsigned char **crypt, char *password );
+int arc_decode( unsigned char *crypt, int crypt_len, char **clear, char *password );