myproposal.h revision 248619 
1/* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus Exp $ */
2/* $FreeBSD: head/crypto/openssh/myproposal.h 248619 2013-03-22 17:55:38Z 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-gcm@openssh.com,aes256-gcm@openssh.com," \
78	"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
79	"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
80#ifdef	NONE_CIPHER_ENABLED
81#define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
82	",none"
83#endif
84#ifdef HAVE_EVP_SHA256
85#define	SHA2_HMAC_MODES \
86	"hmac-sha2-256," \
87	"hmac-sha2-512,"
88#else
89# define SHA2_HMAC_MODES
90#endif
91#define	KEX_DEFAULT_MAC \
92	"hmac-md5-etm@openssh.com," \
93	"hmac-sha1-etm@openssh.com," \
94	"umac-64-etm@openssh.com," \
95	"umac-128-etm@openssh.com," \
96	"hmac-sha2-256-etm@openssh.com," \
97	"hmac-sha2-512-etm@openssh.com," \
98	"hmac-ripemd160-etm@openssh.com," \
99	"hmac-sha1-96-etm@openssh.com," \
100	"hmac-md5-96-etm@openssh.com," \
101	"hmac-md5," \
102	"hmac-sha1," \
103	"umac-64@openssh.com," \
104	"umac-128@openssh.com," \
105	SHA2_HMAC_MODES \
106	"hmac-ripemd160," \
107	"hmac-ripemd160@openssh.com," \
108	"hmac-sha1-96," \
109	"hmac-md5-96"
110
111#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
112#define	KEX_DEFAULT_LANG	""
113
114
115static char *myproposal[PROPOSAL_MAX] = {
116	KEX_DEFAULT_KEX,
117	KEX_DEFAULT_PK_ALG,
118	KEX_DEFAULT_ENCRYPT,
119	KEX_DEFAULT_ENCRYPT,
120	KEX_DEFAULT_MAC,
121	KEX_DEFAULT_MAC,
122	KEX_DEFAULT_COMP,
123	KEX_DEFAULT_COMP,
124	KEX_DEFAULT_LANG,
125	KEX_DEFAULT_LANG
126};
127