xref: /openbsd-src/usr.bin/ssh/myproposal.h (revision 0b7734b3d77bb9b21afec6f4621cae6c805dbd45)
1 /* $OpenBSD: myproposal.h,v 1.51 2016/05/02 10:26:04 djm 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 WITH_OPENSSL
28 
29 #define KEX_COMMON_KEX		\
30 	"curve25519-sha256@libssh.org," \
31 	"ecdh-sha2-nistp256," \
32 	"ecdh-sha2-nistp384," \
33 	"ecdh-sha2-nistp521," \
34 	"diffie-hellman-group-exchange-sha256," \
35 	"diffie-hellman-group16-sha512," \
36 	"diffie-hellman-group18-sha512" \
37 
38 #define KEX_SERVER_KEX KEX_COMMON_KEX "," \
39 	"diffie-hellman-group14-sha256," \
40 	"diffie-hellman-group14-sha1"
41 
42 #define KEX_CLIENT_KEX KEX_COMMON_KEX "," \
43 	"diffie-hellman-group-exchange-sha1," \
44 	"diffie-hellman-group14-sha256," \
45 	"diffie-hellman-group14-sha1"
46 
47 #define	KEX_DEFAULT_PK_ALG	\
48 	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
49 	"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
50 	"ecdsa-sha2-nistp521-cert-v01@openssh.com," \
51 	"ssh-ed25519-cert-v01@openssh.com," \
52 	"ssh-rsa-cert-v01@openssh.com," \
53 	"ecdsa-sha2-nistp256," \
54 	"ecdsa-sha2-nistp384," \
55 	"ecdsa-sha2-nistp521," \
56 	"ssh-ed25519," \
57 	"rsa-sha2-512," \
58 	"rsa-sha2-256," \
59 	"ssh-rsa"
60 
61 #define	KEX_SERVER_ENCRYPT \
62 	"chacha20-poly1305@openssh.com," \
63 	"aes128-ctr,aes192-ctr,aes256-ctr," \
64 	"aes128-gcm@openssh.com,aes256-gcm@openssh.com"
65 
66 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \
67 	"aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc"
68 
69 #define	KEX_SERVER_MAC \
70 	"umac-64-etm@openssh.com," \
71 	"umac-128-etm@openssh.com," \
72 	"hmac-sha2-256-etm@openssh.com," \
73 	"hmac-sha2-512-etm@openssh.com," \
74 	"hmac-sha1-etm@openssh.com," \
75 	"umac-64@openssh.com," \
76 	"umac-128@openssh.com," \
77 	"hmac-sha2-256," \
78 	"hmac-sha2-512," \
79 	"hmac-sha1"
80 
81 #define KEX_CLIENT_MAC KEX_SERVER_MAC
82 
83 #else /* WITH_OPENSSL */
84 
85 #define KEX_SERVER_KEX		\
86 	"curve25519-sha256@libssh.org"
87 #define	KEX_DEFAULT_PK_ALG	\
88 	"ssh-ed25519-cert-v01@openssh.com," \
89 	"ssh-ed25519"
90 #define	KEX_SERVER_ENCRYPT \
91 	"chacha20-poly1305@openssh.com," \
92 	"aes128-ctr,aes192-ctr,aes256-ctr"
93 #define	KEX_SERVER_MAC \
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-sha1-etm@openssh.com," \
99 	"umac-64@openssh.com," \
100 	"umac-128@openssh.com," \
101 	"hmac-sha2-256," \
102 	"hmac-sha2-512," \
103 	"hmac-sha1"
104 
105 #define KEX_CLIENT_KEX KEX_SERVER_KEX
106 #define	KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
107 #define KEX_CLIENT_MAC KEX_SERVER_MAC
108 
109 #endif /* WITH_OPENSSL */
110 
111 #define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
112 #define	KEX_DEFAULT_LANG	""
113 
114 #define KEX_CLIENT \
115 	KEX_CLIENT_KEX, \
116 	KEX_DEFAULT_PK_ALG, \
117 	KEX_CLIENT_ENCRYPT, \
118 	KEX_CLIENT_ENCRYPT, \
119 	KEX_CLIENT_MAC, \
120 	KEX_CLIENT_MAC, \
121 	KEX_DEFAULT_COMP, \
122 	KEX_DEFAULT_COMP, \
123 	KEX_DEFAULT_LANG, \
124 	KEX_DEFAULT_LANG
125 
126 #define KEX_SERVER \
127 	KEX_SERVER_KEX, \
128 	KEX_DEFAULT_PK_ALG, \
129 	KEX_SERVER_ENCRYPT, \
130 	KEX_SERVER_ENCRYPT, \
131 	KEX_SERVER_MAC, \
132 	KEX_SERVER_MAC, \
133 	KEX_DEFAULT_COMP, \
134 	KEX_DEFAULT_COMP, \
135 	KEX_DEFAULT_LANG, \
136 	KEX_DEFAULT_LANG
137