|  | /* $OpenBSD: dh.h,v 1.10 2008/06/26 09:19:40 djm 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); | 
|  | DH	*dh_new_group14(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 | 
|  |  | 
|  | /* | 
|  | * Values for "type" field of moduli(5) | 
|  | * Specifies the internal structure of the prime modulus. | 
|  | */ | 
|  | #define MODULI_TYPE_UNKNOWN		(0) | 
|  | #define MODULI_TYPE_UNSTRUCTURED	(1) | 
|  | #define MODULI_TYPE_SAFE		(2) | 
|  | #define MODULI_TYPE_SCHNORR		(3) | 
|  | #define MODULI_TYPE_SOPHIE_GERMAIN	(4) | 
|  | #define MODULI_TYPE_STRONG		(5) | 
|  |  | 
|  | /* | 
|  | * Values for "tests" field of moduli(5) | 
|  | * Specifies the methods used in checking for primality. | 
|  | * Usually, more than one test is used. | 
|  | */ | 
|  | #define MODULI_TESTS_UNTESTED		(0x00) | 
|  | #define MODULI_TESTS_COMPOSITE		(0x01) | 
|  | #define MODULI_TESTS_SIEVE		(0x02) | 
|  | #define MODULI_TESTS_MILLER_RABIN	(0x04) | 
|  | #define MODULI_TESTS_JACOBI		(0x08) | 
|  | #define MODULI_TESTS_ELLIPTIC		(0x10) | 
|  |  | 
|  |  | 
|  | #endif |