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b080d398 | 1 | /* $OpenBSD: dh.h,v 1.10 2008/06/26 09:19:40 djm Exp $ */ |
23c2a7a5 | 2 | |
94ec8c6b | 3 | /* |
4 | * Copyright (c) 2000 Niels Provos. All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 | */ | |
26 | #ifndef DH_H | |
27 | #define DH_H | |
28 | ||
29 | struct dhgroup { | |
30 | int size; | |
31 | BIGNUM *g; | |
32 | BIGNUM *p; | |
33 | }; | |
34 | ||
2a1e4639 | 35 | DH *choose_dh(int, int, int); |
03b8f8be | 36 | DH *dh_new_group_asc(const char *, const char *); |
37 | DH *dh_new_group(BIGNUM *, BIGNUM *); | |
38 | DH *dh_new_group1(void); | |
41e5bd9a | 39 | DH *dh_new_group14(void); |
03b8f8be | 40 | |
255cabd9 | 41 | void dh_gen_key(DH *, int); |
42 | int dh_pub_is_valid(DH *, BIGNUM *); | |
db1cd2f3 | 43 | |
255cabd9 | 44 | int dh_estimate(int); |
a5c9ffdb | 45 | |
db1cd2f3 | 46 | #define DH_GRP_MIN 1024 |
47 | #define DH_GRP_MAX 8192 | |
94ec8c6b | 48 | |
b080d398 | 49 | /* |
50 | * Values for "type" field of moduli(5) | |
51 | * Specifies the internal structure of the prime modulus. | |
52 | */ | |
53 | #define MODULI_TYPE_UNKNOWN (0) | |
54 | #define MODULI_TYPE_UNSTRUCTURED (1) | |
55 | #define MODULI_TYPE_SAFE (2) | |
56 | #define MODULI_TYPE_SCHNORR (3) | |
57 | #define MODULI_TYPE_SOPHIE_GERMAIN (4) | |
58 | #define MODULI_TYPE_STRONG (5) | |
59 | ||
60 | /* | |
61 | * Values for "tests" field of moduli(5) | |
62 | * Specifies the methods used in checking for primality. | |
63 | * Usually, more than one test is used. | |
64 | */ | |
65 | #define MODULI_TESTS_UNTESTED (0x00) | |
66 | #define MODULI_TESTS_COMPOSITE (0x01) | |
67 | #define MODULI_TESTS_SIEVE (0x02) | |
68 | #define MODULI_TESTS_MILLER_RABIN (0x04) | |
69 | #define MODULI_TESTS_JACOBI (0x08) | |
70 | #define MODULI_TESTS_ELLIPTIC (0x10) | |
71 | ||
72 | ||
94ec8c6b | 73 | #endif |