/*

  *  Copyright (C) 2013-2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
  *  Copyright (C) 2011-2013 Sourcefire, Inc.

  *
  *  Author: Török Edvin
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
  *  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.
  */
 

 #include "clamav-types.h"

 struct arc4_state {
     /* really just 8 bit, but it is faster if reads are aligned */
     uint32_t S[256];
     uint8_t i, j;
 };
 
 void arc4_init(struct arc4_state *a, const uint8_t *key, unsigned keylength);
 void arc4_apply(struct arc4_state *s, uint8_t *data, unsigned len);