1/* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus Exp $ */
2
3/*
4 * Copyright (c) 2000 Markus Friedl.  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
27#ifdef __APPLE_CRYPTO__
28#include "ossl-crypto.h"
29#else
30#include <openssl/opensslv.h>
31#endif
32
33#ifdef OPENSSL_HAS_ECC
34# define KEX_ECDH_METHODS \
35	"ecdh-sha2-nistp256," \
36	"ecdh-sha2-nistp384," \
37	"ecdh-sha2-nistp521,"
38# define HOSTKEY_ECDSA_CERT_METHODS \
39	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
40	"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
41	"ecdsa-sha2-nistp521-cert-v01@openssh.com,"
42# define HOSTKEY_ECDSA_METHODS \
43	"ecdsa-sha2-nistp256," \
44	"ecdsa-sha2-nistp384," \
45	"ecdsa-sha2-nistp521,"
46#else
47# define KEX_ECDH_METHODS
48# define HOSTKEY_ECDSA_CERT_METHODS
49# define HOSTKEY_ECDSA_METHODS
50#endif
51
52/* Old OpenSSL doesn't support what we need for DHGEX-sha256 */
53#if OPENSSL_VERSION_NUMBER >= 0x00907000L
54# define KEX_SHA256_METHODS \
55	"diffie-hellman-group-exchange-sha256,"
56#else
57# define KEX_SHA256_METHODS
58#endif
59
60# define KEX_DEFAULT_KEX \
61	KEX_ECDH_METHODS \
62	KEX_SHA256_METHODS \
63	"diffie-hellman-group-exchange-sha1," \
64	"diffie-hellman-group14-sha1," \
65	"diffie-hellman-group1-sha1"
66
67#define	KEX_DEFAULT_PK_ALG	\
68	HOSTKEY_ECDSA_CERT_METHODS \
69	"ssh-rsa-cert-v01@openssh.com," \
70	"ssh-dss-cert-v01@openssh.com," \
71	"ssh-rsa-cert-v00@openssh.com," \
72	"ssh-dss-cert-v00@openssh.com," \
73	HOSTKEY_ECDSA_METHODS \
74	"ssh-rsa," \
75	"ssh-dss"
76
77#define	KEX_DEFAULT_ENCRYPT \
78	"aes128-ctr,aes192-ctr,aes256-ctr," \
79	"arcfour256,arcfour128," \
80	"aes128-gcm@openssh.com,aes256-gcm@openssh.com," \
81	"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
82	"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
83#ifdef HAVE_EVP_SHA256
84#define	SHA2_HMAC_MODES \
85	"hmac-sha2-256," \
86	"hmac-sha2-512,"
87#else
88# define SHA2_HMAC_MODES
89#endif
90#define	KEX_DEFAULT_MAC \
91	"hmac-md5-etm@openssh.com," \
92	"hmac-sha1-etm@openssh.com," \
93	"umac-64-etm@openssh.com," \
94	"umac-128-etm@openssh.com," \
95	"hmac-sha2-256-etm@openssh.com," \
96	"hmac-sha2-512-etm@openssh.com," \
97	"hmac-ripemd160-etm@openssh.com," \
98	"hmac-sha1-96-etm@openssh.com," \
99	"hmac-md5-96-etm@openssh.com," \
100	"hmac-md5," \
101	"hmac-sha1," \
102	"umac-64@openssh.com," \
103	"umac-128@openssh.com," \
104	SHA2_HMAC_MODES \
105	"hmac-ripemd160," \
106	"hmac-ripemd160@openssh.com," \
107	"hmac-sha1-96," \
108	"hmac-md5-96"
109
110#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
111#define	KEX_DEFAULT_LANG	""
112
113
114static char *myproposal[PROPOSAL_MAX] = {
115	KEX_DEFAULT_KEX,
116	KEX_DEFAULT_PK_ALG,
117	KEX_DEFAULT_ENCRYPT,
118	KEX_DEFAULT_ENCRYPT,
119	KEX_DEFAULT_MAC,
120	KEX_DEFAULT_MAC,
121	KEX_DEFAULT_COMP,
122	KEX_DEFAULT_COMP,
123	KEX_DEFAULT_LANG,
124	KEX_DEFAULT_LANG
125};
126