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/* $OpenBSD: encrypt.h,v 1.3 2001/01/28 22:45:07 niklas Exp $ */
/*
* Copyright 1997-2000 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Niels Provos.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 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 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* encrypt.h:
* prototypes for photuris_packet_encrypt.c
*/
#ifndef _ENCRYPT_H_
#define _ENCRYPT_H_
#include "state.h"
#undef EXTERN
#ifdef _ENCRYPT_C_
#define EXTERN
#else
#define EXTERN extern
#endif
EXTERN int packet_create_padding(struct stateob *st, u_int16_t size,
u_int8_t *padd, u_int16_t *rsize);
EXTERN int packet_encrypt(struct stateob *st,
u_int8_t *payload, u_int16_t payloadlen);
EXTERN int packet_decrypt(struct stateob *st,
u_int8_t *payload, u_int16_t *payloadlen);
#endif /* _ENCRYPT_H_ */
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