1 /* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus Exp $ */ 2 /* $FreeBSD$ */ 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 #ifdef OPENSSL_HAS_ECC 31 # define KEX_ECDH_METHODS \ 32 "ecdh-sha2-nistp256," \ 33 "ecdh-sha2-nistp384," \ 34 "ecdh-sha2-nistp521," 35 # define HOSTKEY_ECDSA_CERT_METHODS \ 36 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 37 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ 38 "ecdsa-sha2-nistp521-cert-v01@openssh.com," 39 # define HOSTKEY_ECDSA_METHODS \ 40 "ecdsa-sha2-nistp256," \ 41 "ecdsa-sha2-nistp384," \ 42 "ecdsa-sha2-nistp521," 43 #else 44 # define KEX_ECDH_METHODS 45 # define HOSTKEY_ECDSA_CERT_METHODS 46 # define HOSTKEY_ECDSA_METHODS 47 #endif 48 49 /* Old OpenSSL doesn't support what we need for DHGEX-sha256 */ 50 #if OPENSSL_VERSION_NUMBER >= 0x00907000L 51 # define KEX_SHA256_METHODS \ 52 "diffie-hellman-group-exchange-sha256," 53 #else 54 # define KEX_SHA256_METHODS 55 #endif 56 57 # define KEX_DEFAULT_KEX \ 58 KEX_ECDH_METHODS \ 59 KEX_SHA256_METHODS \ 60 "diffie-hellman-group-exchange-sha1," \ 61 "diffie-hellman-group14-sha1," \ 62 "diffie-hellman-group1-sha1" 63 64 #define KEX_DEFAULT_PK_ALG \ 65 HOSTKEY_ECDSA_CERT_METHODS \ 66 "ssh-rsa-cert-v01@openssh.com," \ 67 "ssh-dss-cert-v01@openssh.com," \ 68 "ssh-rsa-cert-v00@openssh.com," \ 69 "ssh-dss-cert-v00@openssh.com," \ 70 HOSTKEY_ECDSA_METHODS \ 71 "ssh-rsa," \ 72 "ssh-dss" 73 74 #define KEX_DEFAULT_ENCRYPT \ 75 "aes128-ctr,aes192-ctr,aes256-ctr," \ 76 "arcfour256,arcfour128," \ 77 "aes128-gcm@openssh.com,aes256-gcm@openssh.com," \ 78 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ 79 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se" 80 #ifdef NONE_CIPHER_ENABLED 81 #define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \ 82 ",none" 83 #endif 84 #ifdef HAVE_EVP_SHA256 85 #define SHA2_HMAC_MODES \ 86 "hmac-sha2-256," \ 87 "hmac-sha2-512," 88 #else 89 # define SHA2_HMAC_MODES 90 #endif 91 #define KEX_DEFAULT_MAC \ 92 "hmac-md5-etm@openssh.com," \ 93 "hmac-sha1-etm@openssh.com," \ 94 "umac-64-etm@openssh.com," \ 95 "umac-128-etm@openssh.com," \ 96 "hmac-sha2-256-etm@openssh.com," \ 97 "hmac-sha2-512-etm@openssh.com," \ 98 "hmac-ripemd160-etm@openssh.com," \ 99 "hmac-sha1-96-etm@openssh.com," \ 100 "hmac-md5-96-etm@openssh.com," \ 101 "hmac-md5," \ 102 "hmac-sha1," \ 103 "umac-64@openssh.com," \ 104 "umac-128@openssh.com," \ 105 SHA2_HMAC_MODES \ 106 "hmac-ripemd160," \ 107 "hmac-ripemd160@openssh.com," \ 108 "hmac-sha1-96," \ 109 "hmac-md5-96" 110 111 #define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" 112 #define KEX_DEFAULT_LANG "" 113 114 115 static char *myproposal[PROPOSAL_MAX] = { 116 KEX_DEFAULT_KEX, 117 KEX_DEFAULT_PK_ALG, 118 KEX_DEFAULT_ENCRYPT, 119 KEX_DEFAULT_ENCRYPT, 120 KEX_DEFAULT_MAC, 121 KEX_DEFAULT_MAC, 122 KEX_DEFAULT_COMP, 123 KEX_DEFAULT_COMP, 124 KEX_DEFAULT_LANG, 125 KEX_DEFAULT_LANG 126 }; 127