49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* $OpenBSD: dh.h,v 1.7 2001/06/26 17:27:23 markus Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2000 Niels Provos. 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
#ifndef DH_H
|
|
#define DH_H
|
|
|
|
struct dhgroup {
|
|
int size;
|
|
BIGNUM *g;
|
|
BIGNUM *p;
|
|
};
|
|
|
|
DH *choose_dh(int, int, int);
|
|
DH *dh_new_group_asc(const char *, const char *);
|
|
DH *dh_new_group(BIGNUM *, BIGNUM *);
|
|
DH *dh_new_group1(void);
|
|
|
|
void dh_gen_key(DH *, int);
|
|
int dh_pub_is_valid(DH *, BIGNUM *);
|
|
|
|
int dh_estimate(int);
|
|
|
|
#define DH_GRP_MIN 1024
|
|
#define DH_GRP_MAX 8192
|
|
|
|
#endif
|