1 /* $OpenBSD: myproposal.h,v 1.41 2014/07/11 13:54:34 tedu Exp $ */
4 * Copyright (c) 2000 Markus Friedl. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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.
27 #include <openssl/opensslv.h>
29 /* conditional algorithm support */
31 #ifdef OPENSSL_HAS_ECC
32 #ifdef OPENSSL_HAS_NISTP521
33 # define KEX_ECDH_METHODS \
34 "ecdh-sha2-nistp256," \
35 "ecdh-sha2-nistp384," \
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,"
46 # define KEX_ECDH_METHODS \
47 "ecdh-sha2-nistp256," \
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,"
57 # define KEX_ECDH_METHODS
58 # define HOSTKEY_ECDSA_CERT_METHODS
59 # define HOSTKEY_ECDSA_METHODS
62 #ifdef OPENSSL_HAVE_EVPGCM
63 # define AESGCM_CIPHER_MODES \
64 "aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
66 # define AESGCM_CIPHER_MODES
69 #ifdef HAVE_EVP_SHA256
70 # define KEX_SHA256_METHODS \
71 "diffie-hellman-group-exchange-sha256,"
72 #define SHA2_HMAC_MODES \
76 # define KEX_SHA256_METHODS
77 # define SHA2_HMAC_MODES
81 # ifdef HAVE_EVP_SHA256
82 # define KEX_CURVE25519_METHODS "curve25519-sha256@libssh.org,"
84 # define KEX_CURVE25519_METHODS ""
86 #define KEX_SERVER_KEX \
87 KEX_CURVE25519_METHODS \
90 "diffie-hellman-group14-sha1"
92 #define KEX_CLIENT_KEX KEX_SERVER_KEX "," \
93 "diffie-hellman-group-exchange-sha1," \
94 "diffie-hellman-group1-sha1"
96 #define KEX_DEFAULT_PK_ALG \
97 HOSTKEY_ECDSA_CERT_METHODS \
98 "ssh-ed25519-cert-v01@openssh.com," \
99 "ssh-rsa-cert-v01@openssh.com," \
100 "ssh-dss-cert-v01@openssh.com," \
101 "ssh-rsa-cert-v00@openssh.com," \
102 "ssh-dss-cert-v00@openssh.com," \
103 HOSTKEY_ECDSA_METHODS \
108 /* the actual algorithms */
110 #define KEX_SERVER_ENCRYPT \
111 "aes128-ctr,aes192-ctr,aes256-ctr," \
112 AESGCM_CIPHER_MODES \
113 "chacha20-poly1305@openssh.com"
115 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \
116 "arcfour256,arcfour128," \
117 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
118 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
120 #define KEX_SERVER_MAC \
121 "umac-64-etm@openssh.com," \
122 "umac-128-etm@openssh.com," \
123 "hmac-sha2-256-etm@openssh.com," \
124 "hmac-sha2-512-etm@openssh.com," \
125 "hmac-sha1-etm@openssh.com," \
126 "umac-64@openssh.com," \
127 "umac-128@openssh.com," \
132 #define KEX_CLIENT_MAC KEX_SERVER_MAC "," \
133 "hmac-md5-etm@openssh.com," \
134 "hmac-ripemd160-etm@openssh.com," \
135 "hmac-sha1-96-etm@openssh.com," \
136 "hmac-md5-96-etm@openssh.com," \
139 "hmac-ripemd160@openssh.com," \
145 #define KEX_SERVER_KEX \
146 "curve25519-sha256@libssh.org"
147 #define KEX_DEFAULT_PK_ALG \
148 "ssh-ed25519-cert-v01@openssh.com," \
150 #define KEX_SERVER_ENCRYPT \
151 "aes128-ctr,aes192-ctr,aes256-ctr," \
152 "chacha20-poly1305@openssh.com"
153 #define KEX_SERVER_MAC \
154 "umac-64-etm@openssh.com," \
155 "umac-128-etm@openssh.com," \
156 "hmac-sha2-256-etm@openssh.com," \
157 "hmac-sha2-512-etm@openssh.com," \
158 "hmac-sha1-etm@openssh.com," \
159 "umac-64@openssh.com," \
160 "umac-128@openssh.com," \
165 #define KEX_CLIENT_KEX KEX_SERVER_KEX
166 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
167 #define KEX_CLIENT_MAC KEX_SERVER_MAC
169 #endif /* WITH_OPENSSL */
171 #define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib"
172 #define KEX_DEFAULT_LANG ""
174 #define KEX_ENCRYPT_INCLUDE_NONE KEX_SERVER_ENCRYPT ",none"
178 KEX_DEFAULT_PK_ALG, \
179 KEX_CLIENT_ENCRYPT, \
180 KEX_CLIENT_ENCRYPT, \
190 KEX_DEFAULT_PK_ALG, \
191 KEX_SERVER_ENCRYPT, \
192 KEX_SERVER_ENCRYPT, \