1 /* $OpenBSD: myproposal.h,v 1.29 2012/06/28 05:07:45 dtucker 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 #ifdef OPENSSL_HAS_ECC 30 # define KEX_ECDH_METHODS \ 31 "ecdh-sha2-nistp256," \ 32 "ecdh-sha2-nistp384," \ 33 "ecdh-sha2-nistp521," 34 # define HOSTKEY_ECDSA_CERT_METHODS \ 35 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 36 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ 37 "ecdsa-sha2-nistp521-cert-v01@openssh.com," 38 # define HOSTKEY_ECDSA_METHODS \ 39 "ecdsa-sha2-nistp256," \ 40 "ecdsa-sha2-nistp384," \ 41 "ecdsa-sha2-nistp521," 42 #else 43 # define KEX_ECDH_METHODS 44 # define HOSTKEY_ECDSA_CERT_METHODS 45 # define HOSTKEY_ECDSA_METHODS 46 #endif 47 48 /* Old OpenSSL doesn't support what we need for DHGEX-sha256 */ 49 #if OPENSSL_VERSION_NUMBER >= 0x00907000L 50 # define KEX_SHA256_METHODS \ 51 "diffie-hellman-group-exchange-sha256," 52 #else 53 # define KEX_SHA256_METHODS 54 #endif 55 56 # define KEX_DEFAULT_KEX \ 57 KEX_ECDH_METHODS \ 58 KEX_SHA256_METHODS \ 59 "diffie-hellman-group-exchange-sha1," \ 60 "diffie-hellman-group14-sha1," \ 61 "diffie-hellman-group1-sha1" 62 63 #define KEX_DEFAULT_PK_ALG \ 64 HOSTKEY_ECDSA_CERT_METHODS \ 65 "ssh-rsa-cert-v01@openssh.com," \ 66 "ssh-dss-cert-v01@openssh.com," \ 67 "ssh-rsa-cert-v00@openssh.com," \ 68 "ssh-dss-cert-v00@openssh.com," \ 69 HOSTKEY_ECDSA_METHODS \ 70 "ssh-rsa," \ 71 "ssh-dss" 72 73 #define KEX_DEFAULT_ENCRYPT \ 74 "aes128-ctr,aes192-ctr,aes256-ctr," \ 75 "arcfour256,arcfour128," \ 76 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ 77 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se" 78 #define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \ 79 ",none" 80 #ifdef HAVE_EVP_SHA256 81 #define SHA2_HMAC_MODES \ 82 "hmac-sha2-256," \ 83 "hmac-sha2-512," 84 #else 85 # define SHA2_HMAC_MODES 86 #endif 87 #define KEX_DEFAULT_MAC \ 88 "hmac-md5," \ 89 "hmac-sha1," \ 90 "umac-64@openssh.com," \ 91 SHA2_HMAC_MODES \ 92 "hmac-ripemd160," \ 93 "hmac-ripemd160@openssh.com," \ 94 "hmac-sha1-96," \ 95 "hmac-md5-96" 96 97 #define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" 98 #define KEX_DEFAULT_LANG "" 99 100 101 static char *myproposal[PROPOSAL_MAX] = { 102 KEX_DEFAULT_KEX, 103 KEX_DEFAULT_PK_ALG, 104 KEX_DEFAULT_ENCRYPT, 105 KEX_DEFAULT_ENCRYPT, 106 KEX_DEFAULT_MAC, 107 KEX_DEFAULT_MAC, 108 KEX_DEFAULT_COMP, 109 KEX_DEFAULT_COMP, 110 KEX_DEFAULT_LANG, 111 KEX_DEFAULT_LANG 112 }; 113