Globus Toolkit  6.0.1493989444
myproposal.h
1 /* $OpenBSD: myproposal.h,v 1.50 2016/02/09 05:30:04 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 #include <openssl/opensslv.h>
28 
29 /* conditional algorithm support */
30 
31 #ifdef OPENSSL_HAS_ECC
32 #ifdef OPENSSL_HAS_NISTP521
33 # define KEX_ECDH_METHODS \
34  "ecdh-sha2-nistp256," \
35  "ecdh-sha2-nistp384," \
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
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
57 # define KEX_ECDH_METHODS
58 # define HOSTKEY_ECDSA_CERT_METHODS
59 # define HOSTKEY_ECDSA_METHODS
60 #endif
61 
62 #ifdef OPENSSL_HAVE_EVPGCM
63 # define AESGCM_CIPHER_MODES \
64  ",aes128-gcm@openssh.com,aes256-gcm@openssh.com"
65 #else
66 # define AESGCM_CIPHER_MODES
67 #endif
68 
69 #ifdef HAVE_EVP_SHA256
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,"
76 #define SHA2_HMAC_MODES \
77  "hmac-sha2-256," \
78  "hmac-sha2-512,"
79 #else
80 # define KEX_SHA2_METHODS
81 # define KEX_SHA2_GROUP14
82 # define SHA2_HMAC_MODES
83 #endif
84 
85 #ifdef WITH_OPENSSL
86 # ifdef HAVE_EVP_SHA256
87 # define KEX_CURVE25519_METHODS "curve25519-sha256@libssh.org,"
88 # else
89 # define KEX_CURVE25519_METHODS ""
90 # endif
91 #define KEX_COMMON_KEX \
92  KEX_CURVE25519_METHODS \
93  KEX_ECDH_METHODS \
94  KEX_SHA2_METHODS
95 
96 #define KEX_SERVER_KEX KEX_COMMON_KEX \
97  KEX_SHA2_GROUP14 \
98  "diffie-hellman-group14-sha1" \
99 
100 #define KEX_CLIENT_KEX KEX_COMMON_KEX \
101  "diffie-hellman-group-exchange-sha1," \
102  KEX_SHA2_GROUP14 \
103  "diffie-hellman-group14-sha1"
104 
105 #define KEX_DEFAULT_PK_ALG \
106  HOSTKEY_ECDSA_CERT_METHODS \
107  "ssh-ed25519-cert-v01@openssh.com," \
108  "ssh-rsa-cert-v01@openssh.com," \
109  HOSTKEY_ECDSA_METHODS \
110  "ssh-ed25519," \
111  "rsa-sha2-512," \
112  "rsa-sha2-256," \
113  "ssh-rsa"
114 
115 /* the actual algorithms */
116 
117 #define KEX_SERVER_ENCRYPT \
118  "chacha20-poly1305@openssh.com," \
119  "aes128-ctr,aes192-ctr,aes256-ctr" \
120  AESGCM_CIPHER_MODES
121 
122 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \
123  "aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc"
124 
125 #define KEX_ENCRYPT_INCLUDE_NONE KEX_SERVER_ENCRYPT \
126  ",none"
127 
128 #define KEX_SERVER_MAC \
129  "umac-64-etm@openssh.com," \
130  "umac-128-etm@openssh.com," \
131  "hmac-sha2-256-etm@openssh.com," \
132  "hmac-sha2-512-etm@openssh.com," \
133  "hmac-sha1-etm@openssh.com," \
134  "umac-64@openssh.com," \
135  "umac-128@openssh.com," \
136  "hmac-sha2-256," \
137  "hmac-sha2-512," \
138  "hmac-sha1"
139 
140 #define KEX_CLIENT_MAC KEX_SERVER_MAC
141 
142 #else /* WITH_OPENSSL */
143 
144 #define KEX_SERVER_KEX \
145  "curve25519-sha256@libssh.org"
146 #define KEX_DEFAULT_PK_ALG \
147  "ssh-ed25519-cert-v01@openssh.com," \
148  "ssh-ed25519"
149 #define KEX_SERVER_ENCRYPT \
150  "chacha20-poly1305@openssh.com," \
151  "aes128-ctr,aes192-ctr,aes256-ctr"
152 #define KEX_SERVER_MAC \
153  "umac-64-etm@openssh.com," \
154  "umac-128-etm@openssh.com," \
155  "hmac-sha2-256-etm@openssh.com," \
156  "hmac-sha2-512-etm@openssh.com," \
157  "hmac-sha1-etm@openssh.com," \
158  "umac-64@openssh.com," \
159  "umac-128@openssh.com," \
160  "hmac-sha2-256," \
161  "hmac-sha2-512," \
162  "hmac-sha1"
163 
164 #define KEX_CLIENT_KEX KEX_SERVER_KEX
165 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
166 #define KEX_CLIENT_MAC KEX_SERVER_MAC
167 
168 #endif /* WITH_OPENSSL */
169 
170 #define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib"
171 #define KEX_DEFAULT_LANG ""
172 
173 #define KEX_ENCRYPT_INCLUDE_NONE KEX_SERVER_ENCRYPT ",none"
174 
175 #define KEX_CLIENT \
176  KEX_CLIENT_KEX, \
177  KEX_DEFAULT_PK_ALG, \
178  KEX_CLIENT_ENCRYPT, \
179  KEX_CLIENT_ENCRYPT, \
180  KEX_CLIENT_MAC, \
181  KEX_CLIENT_MAC, \
182  KEX_DEFAULT_COMP, \
183  KEX_DEFAULT_COMP, \
184  KEX_DEFAULT_LANG, \
185  KEX_DEFAULT_LANG
186 
187 #define KEX_SERVER \
188  KEX_SERVER_KEX, \
189  KEX_DEFAULT_PK_ALG, \
190  KEX_SERVER_ENCRYPT, \
191  KEX_SERVER_ENCRYPT, \
192  KEX_SERVER_MAC, \
193  KEX_SERVER_MAC, \
194  KEX_DEFAULT_COMP, \
195  KEX_DEFAULT_COMP, \
196  KEX_DEFAULT_LANG, \
197  KEX_DEFAULT_LANG
198