1/*	$NetBSD: myproposal.h,v 1.24 2022/04/15 14:00:06 christos Exp $	*/
2/* $OpenBSD: myproposal.h,v 1.71 2022/03/30 21:13:23 djm Exp $ */
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#define KEX_SERVER_KEX	\
29	"sntrup761x25519-sha512@openssh.com," \
30	"curve25519-sha256," \
31	"curve25519-sha256@libssh.org," \
32	"ecdh-sha2-nistp256," \
33	"ecdh-sha2-nistp384," \
34	"ecdh-sha2-nistp521," \
35	"diffie-hellman-group-exchange-sha256," \
36	"diffie-hellman-group16-sha512," \
37	"diffie-hellman-group18-sha512," \
38	"diffie-hellman-group14-sha256"
39
40#define KEX_CLIENT_KEX KEX_SERVER_KEX
41
42#define	KEX_DEFAULT_PK_ALG	\
43	"ssh-ed25519-cert-v01@openssh.com," \
44	"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
45	"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
46	"ecdsa-sha2-nistp521-cert-v01@openssh.com," \
47	"sk-ssh-ed25519-cert-v01@openssh.com," \
48	"sk-ecdsa-sha2-nistp256-cert-v01@openssh.com," \
49	"rsa-sha2-512-cert-v01@openssh.com," \
50	"rsa-sha2-256-cert-v01@openssh.com," \
51	"ssh-ed25519," \
52	"ecdsa-sha2-nistp256," \
53	"ecdsa-sha2-nistp384," \
54	"ecdsa-sha2-nistp521," \
55	"sk-ssh-ed25519@openssh.com," \
56	"sk-ecdsa-sha2-nistp256@openssh.com," \
57	"rsa-sha2-512," \
58	"rsa-sha2-256"
59
60#define	KEX_SERVER_ENCRYPT \
61	"chacha20-poly1305@openssh.com," \
62	"aes128-ctr,aes192-ctr,aes256-ctr," \
63	"aes128-gcm@openssh.com,aes256-gcm@openssh.com"
64
65#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
66
67#define	KEX_SERVER_MAC \
68	"umac-64-etm@openssh.com," \
69	"umac-128-etm@openssh.com," \
70	"hmac-sha2-256-etm@openssh.com," \
71	"hmac-sha2-512-etm@openssh.com," \
72	"hmac-sha1-etm@openssh.com," \
73	"umac-64@openssh.com," \
74	"umac-128@openssh.com," \
75	"hmac-sha2-256," \
76	"hmac-sha2-512," \
77	"hmac-sha1"
78
79#define KEX_CLIENT_MAC KEX_SERVER_MAC
80
81/* Not a KEX value, but here so all the algorithm defaults are together */
82#define	SSH_ALLOWED_CA_SIGALGS	\
83	"ssh-ed25519," \
84	"ecdsa-sha2-nistp256," \
85	"ecdsa-sha2-nistp384," \
86	"ecdsa-sha2-nistp521," \
87	"sk-ssh-ed25519@openssh.com," \
88	"sk-ecdsa-sha2-nistp256@openssh.com," \
89	"rsa-sha2-512," \
90	"rsa-sha2-256"
91
92#define KEX_CLIENT_ENCRYPT_INCLUDE_NONE KEX_CLIENT_ENCRYPT \
93	",none"
94#define KEX_SERVER_ENCRYPT_INCLUDE_NONE KEX_SERVER_ENCRYPT \
95	",none"
96
97#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com"
98#define	KEX_DEFAULT_LANG	""
99
100#define KEX_CLIENT \
101	KEX_CLIENT_KEX, \
102	KEX_DEFAULT_PK_ALG, \
103	KEX_CLIENT_ENCRYPT_INCLUDE_NONE, \
104	KEX_CLIENT_ENCRYPT_INCLUDE_NONE, \
105	KEX_CLIENT_MAC, \
106	KEX_CLIENT_MAC, \
107	KEX_DEFAULT_COMP, \
108	KEX_DEFAULT_COMP, \
109	KEX_DEFAULT_LANG, \
110	KEX_DEFAULT_LANG
111
112#define KEX_SERVER \
113	KEX_SERVER_KEX, \
114	KEX_DEFAULT_PK_ALG, \
115	KEX_SERVER_ENCRYPT_INCLUDE_NONE, \
116	KEX_SERVER_ENCRYPT_INCLUDE_NONE, \
117	KEX_SERVER_MAC, \
118	KEX_SERVER_MAC, \
119	KEX_DEFAULT_COMP, \
120	KEX_DEFAULT_COMP, \
121	KEX_DEFAULT_LANG, \
122	KEX_DEFAULT_LANG
123