myproposal.h revision 226046 
1/* $OpenBSD: myproposal.h,v 1.28 2011/08/02 01:22:11 djm Exp $ */
2/* $FreeBSD: head/crypto/openssh/myproposal.h 226046 2011-10-05 22:08:17Z des $ */
3
4/*
5 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <openssl/opensslv.h>
29
30#ifdef OPENSSL_HAS_ECC
31# define KEX_ECDH_METHODS \
32	"ecdh-sha2-nistp256," \
33	"ecdh-sha2-nistp384," \
34	"ecdh-sha2-nistp521,"
35# define HOSTKEY_ECDSA_CERT_METHODS \
36	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
37	"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
38	"ecdsa-sha2-nistp521-cert-v01@openssh.com,"
39# define HOSTKEY_ECDSA_METHODS \
40	"ecdsa-sha2-nistp256," \
41	"ecdsa-sha2-nistp384," \
42	"ecdsa-sha2-nistp521,"
43#else
44# define KEX_ECDH_METHODS
45# define HOSTKEY_ECDSA_CERT_METHODS
46# define HOSTKEY_ECDSA_METHODS
47#endif
48
49/* Old OpenSSL doesn't support what we need for DHGEX-sha256 */
50#if OPENSSL_VERSION_NUMBER >= 0x00907000L
51# define KEX_SHA256_METHODS \
52	"diffie-hellman-group-exchange-sha256,"
53#else
54# define KEX_SHA256_METHODS
55#endif
56
57# define KEX_DEFAULT_KEX \
58	KEX_ECDH_METHODS \
59	KEX_SHA256_METHODS \
60	"diffie-hellman-group-exchange-sha1," \
61	"diffie-hellman-group14-sha1," \
62	"diffie-hellman-group1-sha1"
63
64#define	KEX_DEFAULT_PK_ALG	\
65	HOSTKEY_ECDSA_CERT_METHODS \
66	"ssh-rsa-cert-v01@openssh.com," \
67	"ssh-dss-cert-v01@openssh.com," \
68	"ssh-rsa-cert-v00@openssh.com," \
69	"ssh-dss-cert-v00@openssh.com," \
70	HOSTKEY_ECDSA_METHODS \
71	"ssh-rsa," \
72	"ssh-dss"
73
74#define	KEX_DEFAULT_ENCRYPT \
75	"aes128-ctr,aes192-ctr,aes256-ctr," \
76	"arcfour256,arcfour128," \
77	"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
78	"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
79#ifdef	NONE_CIPHER_ENABLED
80#define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
81	",none"
82#endif
83#ifdef HAVE_EVP_SHA256
84#define	SHA2_HMAC_MODES \
85	"hmac-sha2-256," \
86	"hmac-sha2-256-96," \
87	"hmac-sha2-512," \
88	"hmac-sha2-512-96,"
89#else
90# define SHA2_HMAC_MODES
91#endif
92#define	KEX_DEFAULT_MAC \
93	"hmac-md5," \
94	"hmac-sha1," \
95	"umac-64@openssh.com," \
96	SHA2_HMAC_MODES \
97	"hmac-ripemd160," \
98	"hmac-ripemd160@openssh.com," \
99	"hmac-sha1-96," \
100	"hmac-md5-96"
101
102#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
103#define	KEX_DEFAULT_LANG	""
104
105
106static char *myproposal[PROPOSAL_MAX] = {
107	KEX_DEFAULT_KEX,
108	KEX_DEFAULT_PK_ALG,
109	KEX_DEFAULT_ENCRYPT,
110	KEX_DEFAULT_ENCRYPT,
111	KEX_DEFAULT_MAC,
112	KEX_DEFAULT_MAC,
113	KEX_DEFAULT_COMP,
114	KEX_DEFAULT_COMP,
115	KEX_DEFAULT_LANG,
116	KEX_DEFAULT_LANG
117};
118