1/* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus 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#ifdef __APPLE_CRYPTO__ 28#include "ossl-crypto.h" 29#else 30#include <openssl/opensslv.h> 31#endif 32 33#ifdef OPENSSL_HAS_ECC 34# define KEX_ECDH_METHODS \ 35 "ecdh-sha2-nistp256," \ 36 "ecdh-sha2-nistp384," \ 37 "ecdh-sha2-nistp521," 38# define HOSTKEY_ECDSA_CERT_METHODS \ 39 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 40 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ 41 "ecdsa-sha2-nistp521-cert-v01@openssh.com," 42# define HOSTKEY_ECDSA_METHODS \ 43 "ecdsa-sha2-nistp256," \ 44 "ecdsa-sha2-nistp384," \ 45 "ecdsa-sha2-nistp521," 46#else 47# define KEX_ECDH_METHODS 48# define HOSTKEY_ECDSA_CERT_METHODS 49# define HOSTKEY_ECDSA_METHODS 50#endif 51 52/* Old OpenSSL doesn't support what we need for DHGEX-sha256 */ 53#if OPENSSL_VERSION_NUMBER >= 0x00907000L 54# define KEX_SHA256_METHODS \ 55 "diffie-hellman-group-exchange-sha256," 56#else 57# define KEX_SHA256_METHODS 58#endif 59 60# define KEX_DEFAULT_KEX \ 61 KEX_ECDH_METHODS \ 62 KEX_SHA256_METHODS \ 63 "diffie-hellman-group-exchange-sha1," \ 64 "diffie-hellman-group14-sha1," \ 65 "diffie-hellman-group1-sha1" 66 67#define KEX_DEFAULT_PK_ALG \ 68 HOSTKEY_ECDSA_CERT_METHODS \ 69 "ssh-rsa-cert-v01@openssh.com," \ 70 "ssh-dss-cert-v01@openssh.com," \ 71 "ssh-rsa-cert-v00@openssh.com," \ 72 "ssh-dss-cert-v00@openssh.com," \ 73 HOSTKEY_ECDSA_METHODS \ 74 "ssh-rsa," \ 75 "ssh-dss" 76 77#define KEX_DEFAULT_ENCRYPT \ 78 "aes128-ctr,aes192-ctr,aes256-ctr," \ 79 "arcfour256,arcfour128," \ 80 "aes128-gcm@openssh.com,aes256-gcm@openssh.com," \ 81 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ 82 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se" 83#ifdef HAVE_EVP_SHA256 84#define SHA2_HMAC_MODES \ 85 "hmac-sha2-256," \ 86 "hmac-sha2-512," 87#else 88# define SHA2_HMAC_MODES 89#endif 90#define KEX_DEFAULT_MAC \ 91 "hmac-md5-etm@openssh.com," \ 92 "hmac-sha1-etm@openssh.com," \ 93 "umac-64-etm@openssh.com," \ 94 "umac-128-etm@openssh.com," \ 95 "hmac-sha2-256-etm@openssh.com," \ 96 "hmac-sha2-512-etm@openssh.com," \ 97 "hmac-ripemd160-etm@openssh.com," \ 98 "hmac-sha1-96-etm@openssh.com," \ 99 "hmac-md5-96-etm@openssh.com," \ 100 "hmac-md5," \ 101 "hmac-sha1," \ 102 "umac-64@openssh.com," \ 103 "umac-128@openssh.com," \ 104 SHA2_HMAC_MODES \ 105 "hmac-ripemd160," \ 106 "hmac-ripemd160@openssh.com," \ 107 "hmac-sha1-96," \ 108 "hmac-md5-96" 109 110#define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" 111#define KEX_DEFAULT_LANG "" 112 113 114static char *myproposal[PROPOSAL_MAX] = { 115 KEX_DEFAULT_KEX, 116 KEX_DEFAULT_PK_ALG, 117 KEX_DEFAULT_ENCRYPT, 118 KEX_DEFAULT_ENCRYPT, 119 KEX_DEFAULT_MAC, 120 KEX_DEFAULT_MAC, 121 KEX_DEFAULT_COMP, 122 KEX_DEFAULT_COMP, 123 KEX_DEFAULT_LANG, 124 KEX_DEFAULT_LANG 125}; 126