| /* $OpenBSD: dh.h,v 1.5 2001/04/03 19:53:29 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 min, int nbits, int max); |
| 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 *dh, BIGNUM *dh_pub); |
| |
| int dh_estimate(int bits); |
| |
| #define DH_GRP_MIN 1024 |
| #define DH_GRP_MAX 8192 |
| |
| #endif |