myproposal.h revision 255767 
1/* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus Exp $ */
2/* $FreeBSD: head/crypto/openssh/myproposal.h 255767 2013-09-21 21:36:09Z des $ */
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#include <openssl/opensslv.h>
29
30/* conditional algorithm support */
31
32#ifdef OPENSSL_HAS_ECC
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# define HOSTKEY_ECDSA_CERT_METHODS
48# define HOSTKEY_ECDSA_METHODS
49#endif
50
51#ifdef OPENSSL_HAVE_EVPGCM
52# define AESGCM_CIPHER_MODES \
53	"aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
54#else
55# define AESGCM_CIPHER_MODES
56#endif
57
58#ifdef HAVE_EVP_SHA256
59# define KEX_SHA256_METHODS \
60	"diffie-hellman-group-exchange-sha256,"
61#define	SHA2_HMAC_MODES \
62	"hmac-sha2-256," \
63	"hmac-sha2-512,"
64#else
65# define KEX_SHA256_METHODS
66# define SHA2_HMAC_MODES
67#endif
68
69# define KEX_DEFAULT_KEX \
70	KEX_ECDH_METHODS \
71	KEX_SHA256_METHODS \
72	"diffie-hellman-group-exchange-sha1," \
73	"diffie-hellman-group14-sha1," \
74	"diffie-hellman-group1-sha1"
75
76#define	KEX_DEFAULT_PK_ALG	\
77	HOSTKEY_ECDSA_CERT_METHODS \
78	"ssh-rsa-cert-v01@openssh.com," \
79	"ssh-dss-cert-v01@openssh.com," \
80	"ssh-rsa-cert-v00@openssh.com," \
81	"ssh-dss-cert-v00@openssh.com," \
82	HOSTKEY_ECDSA_METHODS \
83	"ssh-rsa," \
84	"ssh-dss"
85
86/* the actual algorithms */
87
88#define	KEX_DEFAULT_ENCRYPT \
89	"aes128-ctr,aes192-ctr,aes256-ctr," \
90	"arcfour256,arcfour128," \
91	AESGCM_CIPHER_MODES \
92	"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
93	"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
94#ifdef	NONE_CIPHER_ENABLED
95#define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
96	",none"
97#endif
98
99#define	KEX_DEFAULT_MAC \
100	"hmac-md5-etm@openssh.com," \
101	"hmac-sha1-etm@openssh.com," \
102	"umac-64-etm@openssh.com," \
103	"umac-128-etm@openssh.com," \
104	"hmac-sha2-256-etm@openssh.com," \
105	"hmac-sha2-512-etm@openssh.com," \
106	"hmac-ripemd160-etm@openssh.com," \
107	"hmac-sha1-96-etm@openssh.com," \
108	"hmac-md5-96-etm@openssh.com," \
109	"hmac-md5," \
110	"hmac-sha1," \
111	"umac-64@openssh.com," \
112	"umac-128@openssh.com," \
113	SHA2_HMAC_MODES \
114	"hmac-ripemd160," \
115	"hmac-ripemd160@openssh.com," \
116	"hmac-sha1-96," \
117	"hmac-md5-96"
118
119#define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"
120#define	KEX_DEFAULT_LANG	""
121
122
123static char *myproposal[PROPOSAL_MAX] = {
124	KEX_DEFAULT_KEX,
125	KEX_DEFAULT_PK_ALG,
126	KEX_DEFAULT_ENCRYPT,
127	KEX_DEFAULT_ENCRYPT,
128	KEX_DEFAULT_MAC,
129	KEX_DEFAULT_MAC,
130	KEX_DEFAULT_COMP,
131	KEX_DEFAULT_COMP,
132	KEX_DEFAULT_LANG,
133	KEX_DEFAULT_LANG
134};
135