1*0Sstevel@tonic-gate /* $OpenBSD: dh.h,v 1.7 2001/06/26 17:27:23 markus Exp $ */ 2*0Sstevel@tonic-gate 3*0Sstevel@tonic-gate #ifndef _DH_H 4*0Sstevel@tonic-gate #define _DH_H 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 7*0Sstevel@tonic-gate 8*0Sstevel@tonic-gate #ifdef __cplusplus 9*0Sstevel@tonic-gate extern "C" { 10*0Sstevel@tonic-gate #endif 11*0Sstevel@tonic-gate 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate /* 14*0Sstevel@tonic-gate * Copyright (c) 2000 Niels Provos. All rights reserved. 15*0Sstevel@tonic-gate * 16*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 17*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 18*0Sstevel@tonic-gate * are met: 19*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 20*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 21*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 22*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 23*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26*0Sstevel@tonic-gate * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27*0Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28*0Sstevel@tonic-gate * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29*0Sstevel@tonic-gate * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 30*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31*0Sstevel@tonic-gate * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32*0Sstevel@tonic-gate * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33*0Sstevel@tonic-gate * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34*0Sstevel@tonic-gate * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate struct dhgroup { 38*0Sstevel@tonic-gate int size; 39*0Sstevel@tonic-gate BIGNUM *g; 40*0Sstevel@tonic-gate BIGNUM *p; 41*0Sstevel@tonic-gate }; 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate DH *choose_dh(int, int, int); 44*0Sstevel@tonic-gate DH *dh_new_group_asc(const char *, const char *); 45*0Sstevel@tonic-gate DH *dh_new_group(BIGNUM *, BIGNUM *); 46*0Sstevel@tonic-gate DH *dh_new_group1(void); 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate void dh_gen_key(DH *, int); 49*0Sstevel@tonic-gate int dh_pub_is_valid(DH *, BIGNUM *); 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate int dh_estimate(int); 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #define DH_GRP_MIN 1024 54*0Sstevel@tonic-gate #define DH_GRP_MAX 8192 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #ifdef __cplusplus 57*0Sstevel@tonic-gate } 58*0Sstevel@tonic-gate #endif 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #endif /* _DH_H */ 61