dh.h revision 137015
119370Spst/* $OpenBSD: dh.h,v 1.8 2004/06/13 12:53:24 djm Exp $ */ 298948Sobrien 3130809Smarcel/* 498948Sobrien * Copyright (c) 2000 Niels Provos. All rights reserved. 519370Spst * 619370Spst * Redistribution and use in source and binary forms, with or without 798948Sobrien * modification, are permitted provided that the following conditions 819370Spst * are met: 998948Sobrien * 1. Redistributions of source code must retain the above copyright 1098948Sobrien * notice, this list of conditions and the following disclaimer. 1198948Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1298948Sobrien * notice, this list of conditions and the following disclaimer in the 1319370Spst * documentation and/or other materials provided with the distribution. 1498948Sobrien * 1598948Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1698948Sobrien * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1798948Sobrien * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1819370Spst * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1998948Sobrien * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2098948Sobrien * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2198948Sobrien * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2298948Sobrien * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2319370Spst * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2419370Spst * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2519370Spst */ 2619370Spst#ifndef DH_H 2746283Sdfr#define DH_H 2819370Spst 2919370Spststruct dhgroup { 3019370Spst int size; 31130809Smarcel BIGNUM *g; 3219370Spst BIGNUM *p; 3319370Spst}; 3419370Spst 3519370SpstDH *choose_dh(int, int, int); 3619370SpstDH *dh_new_group_asc(const char *, const char *); 3719370SpstDH *dh_new_group(BIGNUM *, BIGNUM *); 3819370SpstDH *dh_new_group1(void); 3919370SpstDH *dh_new_group14(void); 4019370Spst 4119370Spstvoid dh_gen_key(DH *, int); 4219370Spstint dh_pub_is_valid(DH *, BIGNUM *); 4319370Spst 4498948Sobrienint dh_estimate(int); 45130809Smarcel 46130809Smarcel#define DH_GRP_MIN 1024 4719370Spst#define DH_GRP_MAX 8192 48130809Smarcel 49130809Smarcel#endif 5098948Sobrien