djm@openbsd.org | bdfd29f | 2015-07-03 03:47:00 +0000 | [diff] [blame] | 1 | /* $OpenBSD: myproposal.h,v 1.46 2015/07/03 03:47:00 djm Exp $ */ |
Ben Lindstrom | 36579d3 | 2001-01-29 07:39:26 +0000 | [diff] [blame] | 2 | |
Damien Miller | e4340be | 2000-09-16 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 Rice | 425a688 | 2006-03-15 20:17:05 -0800 | [diff] [blame] | 26 | |
| 27 | #include <openssl/opensslv.h> |
| 28 | |
Darren Tucker | b8ae92d | 2013-06-11 12:10:02 +1000 | [diff] [blame] | 29 | /* conditional algorithm support */ |
| 30 | |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 31 | #ifdef OPENSSL_HAS_ECC |
Darren Tucker | 37bcef5 | 2013-11-09 18:39:25 +1100 | [diff] [blame] | 32 | #ifdef OPENSSL_HAS_NISTP521 |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 33 | # define KEX_ECDH_METHODS \ |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 34 | "ecdh-sha2-nistp256," \ |
| 35 | "ecdh-sha2-nistp384," \ |
Damien Miller | 6af914a | 2010-09-10 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 Tucker | 37bcef5 | 2013-11-09 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 Miller | 6af914a | 2010-09-10 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 Tucker | 97b62f4 | 2013-06-11 11:47:24 +1000 | [diff] [blame] | 62 | #ifdef OPENSSL_HAVE_EVPGCM |
| 63 | # define AESGCM_CIPHER_MODES \ |
djm@openbsd.org | a22b9ef | 2015-03-24 09:17:21 +0000 | [diff] [blame] | 64 | ",aes128-gcm@openssh.com,aes256-gcm@openssh.com" |
Darren Tucker | 97b62f4 | 2013-06-11 11:47:24 +1000 | [diff] [blame] | 65 | #else |
| 66 | # define AESGCM_CIPHER_MODES |
| 67 | #endif |
| 68 | |
Darren Tucker | 2ea9eb7 | 2013-06-05 15:04:00 +1000 | [diff] [blame] | 69 | #ifdef HAVE_EVP_SHA256 |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 70 | # define KEX_SHA256_METHODS \ |
Damien Miller | 9b16086 | 2011-01-13 22:00:20 +1100 | [diff] [blame] | 71 | "diffie-hellman-group-exchange-sha256," |
Darren Tucker | b8ae92d | 2013-06-11 12:10:02 +1000 | [diff] [blame] | 72 | #define SHA2_HMAC_MODES \ |
| 73 | "hmac-sha2-256," \ |
| 74 | "hmac-sha2-512," |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 75 | #else |
| 76 | # define KEX_SHA256_METHODS |
Darren Tucker | b8ae92d | 2013-06-11 12:10:02 +1000 | [diff] [blame] | 77 | # define SHA2_HMAC_MODES |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 78 | #endif |
| 79 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 80 | #ifdef WITH_OPENSSL |
Damien Miller | 2f3d1e7 | 2014-08-19 11:14:36 +1000 | [diff] [blame] | 81 | # ifdef HAVE_EVP_SHA256 |
Darren Tucker | d7af0cc | 2014-06-11 07:37:25 +1000 | [diff] [blame] | 82 | # define KEX_CURVE25519_METHODS "curve25519-sha256@libssh.org," |
| 83 | # else |
| 84 | # define KEX_CURVE25519_METHODS "" |
| 85 | # endif |
dtucker@openbsd.org | 3ecde66 | 2015-05-27 23:51:10 +0000 | [diff] [blame] | 86 | #define KEX_COMMON_KEX \ |
Darren Tucker | d7af0cc | 2014-06-11 07:37:25 +1000 | [diff] [blame] | 87 | KEX_CURVE25519_METHODS \ |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 88 | KEX_ECDH_METHODS \ |
dtucker@openbsd.org | 3ecde66 | 2015-05-27 23:51:10 +0000 | [diff] [blame] | 89 | KEX_SHA256_METHODS |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 90 | |
Damien Miller | 599f011 | 2015-05-29 18:03:15 +1000 | [diff] [blame] | 91 | #define KEX_SERVER_KEX KEX_COMMON_KEX \ |
dtucker@openbsd.org | 3ecde66 | 2015-05-27 23:51:10 +0000 | [diff] [blame] | 92 | "diffie-hellman-group14-sha1" \ |
| 93 | |
Damien Miller | 599f011 | 2015-05-29 18:03:15 +1000 | [diff] [blame] | 94 | #define KEX_CLIENT_KEX KEX_COMMON_KEX \ |
Damien Miller | a63128d | 2006-03-15 12:08:28 +1100 | [diff] [blame] | 95 | "diffie-hellman-group-exchange-sha1," \ |
djm@openbsd.org | bdfd29f | 2015-07-03 03:47:00 +0000 | [diff] [blame] | 96 | "diffie-hellman-group14-sha1" |
Tim Rice | 425a688 | 2006-03-15 20:17:05 -0800 | [diff] [blame] | 97 | |
Damien Miller | 4e270b0 | 2010-04-16 15:56:21 +1000 | [diff] [blame] | 98 | #define KEX_DEFAULT_PK_ALG \ |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 99 | HOSTKEY_ECDSA_CERT_METHODS \ |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 100 | "ssh-ed25519-cert-v01@openssh.com," \ |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 101 | "ssh-rsa-cert-v01@openssh.com," \ |
| 102 | "ssh-dss-cert-v01@openssh.com," \ |
Damien Miller | 6af914a | 2010-09-10 11:39:26 +1000 | [diff] [blame] | 103 | HOSTKEY_ECDSA_METHODS \ |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 104 | "ssh-ed25519," \ |
Damien Miller | eb8b60e | 2010-08-31 22:41:14 +1000 | [diff] [blame] | 105 | "ssh-rsa," \ |
| 106 | "ssh-dss" |
Damien Miller | 67081b5 | 2009-01-28 16:33:31 +1100 | [diff] [blame] | 107 | |
Darren Tucker | b8ae92d | 2013-06-11 12:10:02 +1000 | [diff] [blame] | 108 | /* the actual algorithms */ |
| 109 | |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 110 | #define KEX_SERVER_ENCRYPT \ |
djm@openbsd.org | a22b9ef | 2015-03-24 09:17:21 +0000 | [diff] [blame] | 111 | "chacha20-poly1305@openssh.com," \ |
| 112 | "aes128-ctr,aes192-ctr,aes256-ctr" \ |
| 113 | AESGCM_CIPHER_MODES |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 114 | |
| 115 | #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \ |
| 116 | "arcfour256,arcfour128," \ |
Damien Miller | 3710f27 | 2005-05-26 12:19:17 +1000 | [diff] [blame] | 117 | "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ |
Damien Miller | 67081b5 | 2009-01-28 16:33:31 +1100 | [diff] [blame] | 118 | "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se" |
Darren Tucker | b8ae92d | 2013-06-11 12:10:02 +1000 | [diff] [blame] | 119 | |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 120 | #define KEX_SERVER_MAC \ |
Damien Miller | af43a7a | 2012-12-12 10:46:31 +1100 | [diff] [blame] | 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," \ |
Damien Miller | 6262d76 | 2014-07-17 09:52:07 +1000 | [diff] [blame] | 125 | "hmac-sha1-etm@openssh.com," \ |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 126 | "umac-64@openssh.com," \ |
| 127 | "umac-128@openssh.com," \ |
| 128 | "hmac-sha2-256," \ |
Damien Miller | 6262d76 | 2014-07-17 09:52:07 +1000 | [diff] [blame] | 129 | "hmac-sha2-512," \ |
| 130 | "hmac-sha1" |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 131 | |
| 132 | #define KEX_CLIENT_MAC KEX_SERVER_MAC "," \ |
| 133 | "hmac-md5-etm@openssh.com," \ |
Damien Miller | af43a7a | 2012-12-12 10:46:31 +1100 | [diff] [blame] | 134 | "hmac-ripemd160-etm@openssh.com," \ |
| 135 | "hmac-sha1-96-etm@openssh.com," \ |
| 136 | "hmac-md5-96-etm@openssh.com," \ |
Damien Miller | 20bd453 | 2011-08-06 06:17:30 +1000 | [diff] [blame] | 137 | "hmac-md5," \ |
Damien Miller | 20bd453 | 2011-08-06 06:17:30 +1000 | [diff] [blame] | 138 | "hmac-ripemd160," \ |
Ben Lindstrom | 06b33aa | 2001-02-15 03:01:59 +0000 | [diff] [blame] | 139 | "hmac-ripemd160@openssh.com," \ |
Damien Miller | 20bd453 | 2011-08-06 06:17:30 +1000 | [diff] [blame] | 140 | "hmac-sha1-96," \ |
| 141 | "hmac-md5-96" |
| 142 | |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 143 | #else |
| 144 | |
| 145 | #define KEX_SERVER_KEX \ |
| 146 | "curve25519-sha256@libssh.org" |
| 147 | #define KEX_DEFAULT_PK_ALG \ |
| 148 | "ssh-ed25519-cert-v01@openssh.com," \ |
| 149 | "ssh-ed25519" |
| 150 | #define KEX_SERVER_ENCRYPT \ |
jsg@openbsd.org | 39bfbf7 | 2015-04-21 07:01:00 +0000 | [diff] [blame] | 151 | "chacha20-poly1305@openssh.com," \ |
djm@openbsd.org | a22b9ef | 2015-03-24 09:17:21 +0000 | [diff] [blame] | 152 | "aes128-ctr,aes192-ctr,aes256-ctr" |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 153 | #define KEX_SERVER_MAC \ |
Damien Miller | 294c58a | 2014-05-15 14:35:03 +1000 | [diff] [blame] | 154 | "umac-64-etm@openssh.com," \ |
| 155 | "umac-128-etm@openssh.com," \ |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 156 | "hmac-sha2-256-etm@openssh.com," \ |
| 157 | "hmac-sha2-512-etm@openssh.com," \ |
Damien Miller | 6262d76 | 2014-07-17 09:52:07 +1000 | [diff] [blame] | 158 | "hmac-sha1-etm@openssh.com," \ |
Damien Miller | 294c58a | 2014-05-15 14:35:03 +1000 | [diff] [blame] | 159 | "umac-64@openssh.com," \ |
| 160 | "umac-128@openssh.com," \ |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 161 | "hmac-sha2-256," \ |
Damien Miller | 6262d76 | 2014-07-17 09:52:07 +1000 | [diff] [blame] | 162 | "hmac-sha2-512," \ |
| 163 | "hmac-sha1" |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 164 | |
| 165 | #define KEX_CLIENT_KEX KEX_SERVER_KEX |
| 166 | #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT |
Damien Miller | 6262d76 | 2014-07-17 09:52:07 +1000 | [diff] [blame] | 167 | #define KEX_CLIENT_MAC KEX_SERVER_MAC |
Damien Miller | 1f0311c | 2014-05-15 14:24:09 +1000 | [diff] [blame] | 168 | |
| 169 | #endif /* WITH_OPENSSL */ |
| 170 | |
Damien Miller | 9786e6e | 2005-07-26 21:54:56 +1000 | [diff] [blame] | 171 | #define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" |
Damien Miller | 1383bd8 | 2000-04-06 12:32:37 +1000 | [diff] [blame] | 172 | #define KEX_DEFAULT_LANG "" |
| 173 | |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 174 | #define KEX_CLIENT \ |
| 175 | KEX_CLIENT_KEX, \ |
| 176 | KEX_DEFAULT_PK_ALG, \ |
| 177 | KEX_CLIENT_ENCRYPT, \ |
| 178 | KEX_CLIENT_ENCRYPT, \ |
| 179 | KEX_CLIENT_MAC, \ |
| 180 | KEX_CLIENT_MAC, \ |
| 181 | KEX_DEFAULT_COMP, \ |
| 182 | KEX_DEFAULT_COMP, \ |
| 183 | KEX_DEFAULT_LANG, \ |
Damien Miller | 1383bd8 | 2000-04-06 12:32:37 +1000 | [diff] [blame] | 184 | KEX_DEFAULT_LANG |
Damien Miller | 9235a03 | 2014-04-20 13:17:20 +1000 | [diff] [blame] | 185 | |
| 186 | #define KEX_SERVER \ |
| 187 | KEX_SERVER_KEX, \ |
| 188 | KEX_DEFAULT_PK_ALG, \ |
| 189 | KEX_SERVER_ENCRYPT, \ |
| 190 | KEX_SERVER_ENCRYPT, \ |
| 191 | KEX_SERVER_MAC, \ |
| 192 | KEX_SERVER_MAC, \ |
| 193 | KEX_DEFAULT_COMP, \ |
| 194 | KEX_DEFAULT_COMP, \ |
| 195 | KEX_DEFAULT_LANG, \ |
| 196 | KEX_DEFAULT_LANG |
| 197 | |