summaryrefslogtreecommitdiffstats
path: root/myproposal.h
blob: 3a0f5aeabd6a223b8176a5ff4a483b8169b4b103 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/* $OpenBSD: myproposal.h,v 1.35 2013/12/06 13:39:49 markus Exp $ */

/*
 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <openssl/opensslv.h>

/* conditional algorithm support */

#ifdef OPENSSL_HAS_ECC
#ifdef OPENSSL_HAS_NISTP521
# define KEX_ECDH_METHODS \
	"ecdh-sha2-nistp256," \
	"ecdh-sha2-nistp384," \
	"ecdh-sha2-nistp521,"
# define HOSTKEY_ECDSA_CERT_METHODS \
	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
	"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
	"ecdsa-sha2-nistp521-cert-v01@openssh.com,"
# define HOSTKEY_ECDSA_METHODS \
	"ecdsa-sha2-nistp256," \
	"ecdsa-sha2-nistp384," \
	"ecdsa-sha2-nistp521,"
#else
# define KEX_ECDH_METHODS \
	"ecdh-sha2-nistp256," \
	"ecdh-sha2-nistp384,"
# define HOSTKEY_ECDSA_CERT_METHODS \
	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
	"ecdsa-sha2-nistp384-cert-v01@openssh.com,"
# define HOSTKEY_ECDSA_METHODS \
	"ecdsa-sha2-nistp256," \
	"ecdsa-sha2-nistp384,"
#endif
#else
# define KEX_ECDH_METHODS
# define HOSTKEY_ECDSA_CERT_METHODS
# define HOSTKEY_ECDSA_METHODS
#endif

#ifdef OPENSSL_HAVE_EVPGCM
# define AESGCM_CIPHER_MODES \
	"aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
#else
# define AESGCM_CIPHER_MODES
#endif

#ifdef HAVE_EVP_SHA256
# define KEX_SHA256_METHODS \
	"diffie-hellman-group-exchange-sha256,"
#define KEX_CURVE25519_METHODS \
	"curve25519-sha256@libssh.org,"
#define	SHA2_HMAC_MODES \
	"hmac-sha2-256," \
	"hmac-sha2-512,"
#else
# define KEX_SHA256_METHODS
# define KEX_CURVE25519_METHODS
# define SHA2_HMAC_MODES
#endif

# define KEX_DEFAULT_KEX \
	KEX_CURVE25519_METHODS \
	KEX_ECDH_METHODS \
	KEX_SHA256_METHODS \
	"diffie-hellman-group-exchange-sha1," \
	"diffie-hellman-group14-sha1," \
	"diffie-hellman-group1-sha1"

#define	KEX_DEFAULT_PK_ALG	\
	HOSTKEY_ECDSA_CERT_METHODS \
	"ssh-ed25519-cert-v01@openssh.com," \
	"ssh-rsa-cert-v01@openssh.com," \
	"ssh-dss-cert-v01@openssh.com," \
	"ssh-rsa-cert-v00@openssh.com," \
	"ssh-dss-cert-v00@openssh.com," \
	HOSTKEY_ECDSA_METHODS \
	"ssh-ed25519," \
	"ssh-rsa," \
	"ssh-dss"

/* the actual algorithms */

#define	KEX_DEFAULT_ENCRYPT \
	"aes128-ctr,aes192-ctr,aes256-ctr," \
	"arcfour256,arcfour128," \
	AESGCM_CIPHER_MODES \
	"chacha20-poly1305@openssh.com," \
	"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
	"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"

#define	KEX_DEFAULT_MAC \
	"hmac-md5-etm@openssh.com," \
	"hmac-sha1-etm@openssh.com," \
	"umac-64-etm@openssh.com," \
	"umac-128-etm@openssh.com," \
	"hmac-sha2-256-etm@openssh.com," \
	"hmac-sha2-512-etm@openssh.com," \
	"hmac-ripemd160-etm@openssh.com," \
	"hmac-sha1-96-etm@openssh.com," \
	"hmac-md5-96-etm@openssh.com," \
	"hmac-md5," \
	"hmac-sha1," \
	"umac-64@openssh.com," \
	"umac-128@openssh.com," \
	SHA2_HMAC_MODES \
	"hmac-ripemd160," \
	"hmac-ripemd160@openssh.com," \
	"hmac-sha1-96," \
	"hmac-md5-96"

#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
#define	KEX_DEFAULT_LANG	""


static char *myproposal[PROPOSAL_MAX] = {
	KEX_DEFAULT_KEX,
	KEX_DEFAULT_PK_ALG,
	KEX_DEFAULT_ENCRYPT,
	KEX_DEFAULT_ENCRYPT,
	KEX_DEFAULT_MAC,
	KEX_DEFAULT_MAC,
	KEX_DEFAULT_COMP,
	KEX_DEFAULT_COMP,
	KEX_DEFAULT_LANG,
	KEX_DEFAULT_LANG
};