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gerrit-public.fairphone.software / platform / external / openssh / 5e4796c47dd8d6c38fb2ff0b3e817525fed6040d / . / myproposal.h
blob: 34bd10c9f06579e89bbd83bf08c8427f66c2db59 [file] [log] [blame]
djm@openbsd.org9b611302019-02-23 08:20:43 +0000[diff] [blame]1/* $OpenBSD: myproposal.h,v 1.58 2019/02/23 08:20:43 djm Exp $ */
Ben Lindstrom36579d32001-01-29 07:39:26 +0000[diff] [blame]2
Damien Millere4340be2000-09-16 13:29:08 +1100[diff] [blame]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 */
Tim Rice425a6882006-03-15 20:17:05 -0800[diff] [blame]26
27#include <openssl/opensslv.h>
28
Darren Tuckerb8ae92d2013-06-11 12:10:02 +1000[diff] [blame]29/* conditional algorithm support */
30
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]31#ifdef OPENSSL_HAS_ECC
Darren Tucker37bcef52013-11-09 18:39:25 +1100[diff] [blame]32#ifdef OPENSSL_HAS_NISTP521
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]33# define KEX_ECDH_METHODS \
Damien Millereb8b60e2010-08-31 22:41:14 +1000[diff] [blame]34 "ecdh-sha2-nistp256," \
35 "ecdh-sha2-nistp384," \
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]36 "ecdh-sha2-nistp521,"
37# define HOSTKEY_ECDSA_CERT_METHODS \
38 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
39 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \
40 "ecdsa-sha2-nistp521-cert-v01@openssh.com,"
41# define HOSTKEY_ECDSA_METHODS \
42 "ecdsa-sha2-nistp256," \
43 "ecdsa-sha2-nistp384," \
44 "ecdsa-sha2-nistp521,"
45#else
Darren Tucker37bcef52013-11-09 18:39:25 +1100[diff] [blame]46# define KEX_ECDH_METHODS \
47 "ecdh-sha2-nistp256," \
48 "ecdh-sha2-nistp384,"
49# define HOSTKEY_ECDSA_CERT_METHODS \
50 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
51 "ecdsa-sha2-nistp384-cert-v01@openssh.com,"
52# define HOSTKEY_ECDSA_METHODS \
53 "ecdsa-sha2-nistp256," \
54 "ecdsa-sha2-nistp384,"
55#endif
56#else
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]57# define KEX_ECDH_METHODS
58# define HOSTKEY_ECDSA_CERT_METHODS
59# define HOSTKEY_ECDSA_METHODS
60#endif
61
Darren Tucker97b62f42013-06-11 11:47:24 +1000[diff] [blame]62#ifdef OPENSSL_HAVE_EVPGCM
63# define AESGCM_CIPHER_MODES \
djm@openbsd.orga22b9ef2015-03-24 09:17:21 +0000[diff] [blame]64 ",aes128-gcm@openssh.com,aes256-gcm@openssh.com"
Darren Tucker97b62f42013-06-11 11:47:24 +1000[diff] [blame]65#else
66# define AESGCM_CIPHER_MODES
67#endif
68
Darren Tucker2ea9eb72013-06-05 15:04:00 +1000[diff] [blame]69#ifdef HAVE_EVP_SHA256
djm@openbsd.org0e8eeec2016-05-02 10:26:04 +0000[diff] [blame]70# define KEX_SHA2_METHODS \
71 "diffie-hellman-group-exchange-sha256," \
72 "diffie-hellman-group16-sha512," \
73 "diffie-hellman-group18-sha512,"
74# define KEX_SHA2_GROUP14 \
75 "diffie-hellman-group14-sha256,"
Darren Tuckerb8ae92d2013-06-11 12:10:02 +1000[diff] [blame]76#define SHA2_HMAC_MODES \
77 "hmac-sha2-256," \
78 "hmac-sha2-512,"
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]79#else
djm@openbsd.org0e8eeec2016-05-02 10:26:04 +0000[diff] [blame]80# define KEX_SHA2_METHODS
81# define KEX_SHA2_GROUP14
Darren Tuckerb8ae92d2013-06-11 12:10:02 +1000[diff] [blame]82# define SHA2_HMAC_MODES
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]83#endif
84
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]85#ifdef WITH_OPENSSL
Damien Miller2f3d1e72014-08-19 11:14:36 +1000[diff] [blame]86# ifdef HAVE_EVP_SHA256
djm@openbsd.org04937662016-09-22 17:52:53 +0000[diff] [blame]87# define KEX_CURVE25519_METHODS \
88 "curve25519-sha256," \
89 "curve25519-sha256@libssh.org,"
Darren Tuckerd7af0cc2014-06-11 07:37:25 +1000[diff] [blame]90# else
91# define KEX_CURVE25519_METHODS ""
92# endif
djm@openbsd.org9b611302019-02-23 08:20:43 +0000[diff] [blame]93#define KEX_SERVER_KEX \
Darren Tuckerd7af0cc2014-06-11 07:37:25 +1000[diff] [blame]94 KEX_CURVE25519_METHODS \
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]95 KEX_ECDH_METHODS \
djm@openbsd.org9b611302019-02-23 08:20:43 +0000[diff] [blame]96 KEX_SHA2_METHODS \
djm@openbsd.org0e8eeec2016-05-02 10:26:04 +0000[diff] [blame]97 KEX_SHA2_GROUP14 \
djm@openbsd.orgbdfd29f2015-07-03 03:47:00 +0000[diff] [blame]98 "diffie-hellman-group14-sha1"
Tim Rice425a6882006-03-15 20:17:05 -0800[diff] [blame]99
djm@openbsd.org9b611302019-02-23 08:20:43 +0000[diff] [blame]100#define KEX_CLIENT_KEX KEX_SERVER_KEX
101
Damien Miller4e270b02010-04-16 15:56:21 +1000[diff] [blame]102#define KEX_DEFAULT_PK_ALG \
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]103 HOSTKEY_ECDSA_CERT_METHODS \
Damien Miller5be9d9e2013-12-07 11:24:01 +1100[diff] [blame]104 "ssh-ed25519-cert-v01@openssh.com," \
djm@openbsd.org4ba0d542018-07-03 11:39:54 +0000[diff] [blame]105 "rsa-sha2-512-cert-v01@openssh.com," \
106 "rsa-sha2-256-cert-v01@openssh.com," \
Damien Millereb8b60e2010-08-31 22:41:14 +1000[diff] [blame]107 "ssh-rsa-cert-v01@openssh.com," \
Damien Miller6af914a2010-09-10 11:39:26 +1000[diff] [blame]108 HOSTKEY_ECDSA_METHODS \
Damien Miller5be9d9e2013-12-07 11:24:01 +1100[diff] [blame]109 "ssh-ed25519," \
markus@openbsd.org76c9fbb2015-12-04 16:41:28 +0000[diff] [blame]110 "rsa-sha2-512," \
markus@openbsd.org3da893f2015-12-05 20:53:21 +0000[diff] [blame]111 "rsa-sha2-256," \
markus@openbsd.org76c9fbb2015-12-04 16:41:28 +0000[diff] [blame]112 "ssh-rsa"
Damien Miller67081b52009-01-28 16:33:31 +1100[diff] [blame]113
Darren Tuckerb8ae92d2013-06-11 12:10:02 +1000[diff] [blame]114/* the actual algorithms */
115
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]116#define KEX_SERVER_ENCRYPT \
djm@openbsd.orga22b9ef2015-03-24 09:17:21 +0000[diff] [blame]117 "chacha20-poly1305@openssh.com," \
118 "aes128-ctr,aes192-ctr,aes256-ctr" \
119 AESGCM_CIPHER_MODES
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]120
djm@openbsd.org70c12182017-05-07 23:13:42 +0000[diff] [blame]121#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
Darren Tuckerb8ae92d2013-06-11 12:10:02 +1000[diff] [blame]122
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]123#define KEX_SERVER_MAC \
Damien Milleraf43a7a2012-12-12 10:46:31 +1100[diff] [blame]124 "umac-64-etm@openssh.com," \
125 "umac-128-etm@openssh.com," \
126 "hmac-sha2-256-etm@openssh.com," \
127 "hmac-sha2-512-etm@openssh.com," \
Damien Miller6262d762014-07-17 09:52:07 +1000[diff] [blame]128 "hmac-sha1-etm@openssh.com," \
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]129 "umac-64@openssh.com," \
130 "umac-128@openssh.com," \
131 "hmac-sha2-256," \
Damien Miller6262d762014-07-17 09:52:07 +1000[diff] [blame]132 "hmac-sha2-512," \
133 "hmac-sha1"
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]134
djm@openbsd.org714e3672016-02-09 05:30:04 +0000[diff] [blame]135#define KEX_CLIENT_MAC KEX_SERVER_MAC
Damien Miller20bd4532011-08-06 06:17:30 +1000[diff] [blame]136
djm@openbsd.org4cc259b2018-09-12 01:34:02 +0000[diff] [blame]137/* Not a KEX value, but here so all the algorithm defaults are together */
138#define SSH_ALLOWED_CA_SIGALGS \
Darren Tucker1ac98be2019-05-17 12:42:17 +1000[diff] [blame]139 HOSTKEY_ECDSA_METHODS \
djm@openbsd.org4cc259b2018-09-12 01:34:02 +0000[diff] [blame]140 "ssh-ed25519," \
141 "rsa-sha2-512," \
142 "rsa-sha2-256," \
143 "ssh-rsa"
144
djm@openbsd.org714e3672016-02-09 05:30:04 +0000[diff] [blame]145#else /* WITH_OPENSSL */
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]146
147#define KEX_SERVER_KEX \
djm@openbsd.org04937662016-09-22 17:52:53 +0000[diff] [blame]148 "curve25519-sha256," \
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]149 "curve25519-sha256@libssh.org"
150#define KEX_DEFAULT_PK_ALG \
151 "ssh-ed25519-cert-v01@openssh.com," \
152 "ssh-ed25519"
153#define KEX_SERVER_ENCRYPT \
jsg@openbsd.org39bfbf72015-04-21 07:01:00 +0000[diff] [blame]154 "chacha20-poly1305@openssh.com," \
djm@openbsd.orga22b9ef2015-03-24 09:17:21 +0000[diff] [blame]155 "aes128-ctr,aes192-ctr,aes256-ctr"
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]156#define KEX_SERVER_MAC \
Damien Miller294c58a2014-05-15 14:35:03 +1000[diff] [blame]157 "umac-64-etm@openssh.com," \
158 "umac-128-etm@openssh.com," \
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]159 "hmac-sha2-256-etm@openssh.com," \
160 "hmac-sha2-512-etm@openssh.com," \
Damien Miller6262d762014-07-17 09:52:07 +1000[diff] [blame]161 "hmac-sha1-etm@openssh.com," \
Damien Miller294c58a2014-05-15 14:35:03 +1000[diff] [blame]162 "umac-64@openssh.com," \
163 "umac-128@openssh.com," \
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]164 "hmac-sha2-256," \
Damien Miller6262d762014-07-17 09:52:07 +1000[diff] [blame]165 "hmac-sha2-512," \
166 "hmac-sha1"
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]167
168#define KEX_CLIENT_KEX KEX_SERVER_KEX
169#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
Damien Miller6262d762014-07-17 09:52:07 +1000[diff] [blame]170#define KEX_CLIENT_MAC KEX_SERVER_MAC
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]171
djm@openbsd.org4cc259b2018-09-12 01:34:02 +0000[diff] [blame]172#define SSH_ALLOWED_CA_SIGALGS "ssh-ed25519"
173
Damien Miller1f0311c2014-05-15 14:24:09 +1000[diff] [blame]174#endif /* WITH_OPENSSL */
175
djm@openbsd.org0082fba2016-09-28 16:33:06 +0000[diff] [blame]176#define KEX_DEFAULT_COMP "none,zlib@openssh.com"
Damien Miller1383bd82000-04-06 12:32:37 +1000[diff] [blame]177#define KEX_DEFAULT_LANG ""
178
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]179#define KEX_CLIENT \
180 KEX_CLIENT_KEX, \
181 KEX_DEFAULT_PK_ALG, \
182 KEX_CLIENT_ENCRYPT, \
183 KEX_CLIENT_ENCRYPT, \
184 KEX_CLIENT_MAC, \
185 KEX_CLIENT_MAC, \
186 KEX_DEFAULT_COMP, \
187 KEX_DEFAULT_COMP, \
188 KEX_DEFAULT_LANG, \
Damien Miller1383bd82000-04-06 12:32:37 +1000[diff] [blame]189 KEX_DEFAULT_LANG
Damien Miller9235a032014-04-20 13:17:20 +1000[diff] [blame]190
191#define KEX_SERVER \
192 KEX_SERVER_KEX, \
193 KEX_DEFAULT_PK_ALG, \
194 KEX_SERVER_ENCRYPT, \
195 KEX_SERVER_ENCRYPT, \
196 KEX_SERVER_MAC, \
197 KEX_SERVER_MAC, \
198 KEX_DEFAULT_COMP, \
199 KEX_DEFAULT_COMP, \
200 KEX_DEFAULT_LANG, \
201 KEX_DEFAULT_LANG
202