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/*
* 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.
*/
/* $Id: secrets.h,v 1.3 2000/12/15 01:58:27 provos Exp $ */
/*
* secrets.h:
* prototypes for compute_secrets.c
*/
#ifndef _SECRETS_H_
#define _SECRETS_H_
#include "state.h"
#include "spi.h"
#undef EXTERN
#ifdef _SECRETS_C_
#define EXTERN
#else
#define EXTERN extern
#endif
EXTERN int compute_shared_secret(struct stateob *, u_int8_t **, size_t *);
EXTERN int compute_session_key(struct stateob *st, u_int8_t *key,
u_int8_t *attribute, int owner,
u_int16_t *order);
EXTERN int get_session_key_length(u_int8_t *attribute);
EXTERN int init_privacy_key(struct stateob *st, int owner);
EXTERN int compute_privacy_key(struct stateob *st, u_int8_t *key,
u_int8_t *packet, u_int16_t bits,
u_int16_t *order, int owner);
EXTERN int make_session_keys(struct stateob *st, struct spiob *spi);
#endif /* _SECRETS_H_ */
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