Subversion Repositories tv80

/*

 * rc4.h

 *

 * Copyright (c) 1996-2000 Whistle Communications, Inc.

 * All rights reserved.

 *

 * Subject to the following obligations and disclaimer of warranty, use and

 * redistribution of this software, in source or object code forms, with or

 * without modifications are expressly permitted by Whistle Communications;

 * provided, however, that:

 * 1. Any and all reproductions of the source or object code must include the

 *    copyright notice above and the following disclaimer of warranties; and

 * 2. No rights are granted, in any manner or form, to use Whistle

 *    Communications, Inc. trademarks, including the mark "WHISTLE

 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as

 *    such appears in the above copyright notice or in the software.

 *

 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND

 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO

 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,

 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY

 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS

 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.

 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES

 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING

 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,

 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY

 * OF SUCH DAMAGE.

 *

 */

#ifndef _SYS_CRYPTO_RC4_RC4_H_

#define _SYS_CRYPTO_RC4_RC4_H_

#include <stdint.h>

struct rc4_state {

        uint8_t  perm[256];

        uint8_t  index1;

        uint8_t  index2;

};

extern void rc4_init(struct rc4_state *state, const uint8_t *key, int keylen);

extern void rc4_crypt(struct rc4_state *state,

                const uint8_t *inbuf, uint8_t *outbuf, int buflen);

#endif