Annotation of src/usr.bin/ssh/dh.h, Revision 1.18
1.18 ! djm 1: /* $OpenBSD: dh.h,v 1.17 2019/01/20 01:12:40 dtucker Exp $ */
1.2 niklas 2:
1.1 provos 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:
1.18 ! djm 29: #ifdef WITH_OPENSSL
! 30:
1.1 provos 31: struct dhgroup {
32: int size;
33: BIGNUM *g;
34: BIGNUM *p;
35: };
36:
1.6 itojun 37: DH *choose_dh(int, int, int);
1.4 markus 38: DH *dh_new_group_asc(const char *, const char *);
39: DH *dh_new_group(BIGNUM *, BIGNUM *);
40: DH *dh_new_group1(void);
1.8 djm 41: DH *dh_new_group14(void);
1.15 djm 42: DH *dh_new_group16(void);
43: DH *dh_new_group18(void);
1.13 dtucker 44: DH *dh_new_group_fallback(int);
1.4 markus 45:
1.12 markus 46: int dh_gen_key(DH *, int);
1.16 djm 47: int dh_pub_is_valid(const DH *, const BIGNUM *);
1.5 markus 48:
1.12 markus 49: u_int dh_estimate(int);
1.3 provos 50:
1.14 djm 51: /*
52: * Max value from RFC4419.
1.17 dtucker 53: * Min value from RFC8270.
1.14 djm 54: */
55: #define DH_GRP_MIN 2048
1.3 provos 56: #define DH_GRP_MAX 8192
1.10 djm 57:
58: /*
59: * Values for "type" field of moduli(5)
60: * Specifies the internal structure of the prime modulus.
61: */
62: #define MODULI_TYPE_UNKNOWN (0)
63: #define MODULI_TYPE_UNSTRUCTURED (1)
64: #define MODULI_TYPE_SAFE (2)
65: #define MODULI_TYPE_SCHNORR (3)
66: #define MODULI_TYPE_SOPHIE_GERMAIN (4)
67: #define MODULI_TYPE_STRONG (5)
68:
69: /*
70: * Values for "tests" field of moduli(5)
71: * Specifies the methods used in checking for primality.
72: * Usually, more than one test is used.
73: */
74: #define MODULI_TESTS_UNTESTED (0x00)
75: #define MODULI_TESTS_COMPOSITE (0x01)
76: #define MODULI_TESTS_SIEVE (0x02)
77: #define MODULI_TESTS_MILLER_RABIN (0x04)
78: #define MODULI_TESTS_JACOBI (0x08)
79: #define MODULI_TESTS_ELLIPTIC (0x10)
80:
1.18 ! djm 81: #endif /* WITH_OPENSSL */
1.1 provos 82:
1.18 ! djm 83: #endif /* DH_H */