myproposal.h revision 294693
1/* $OpenBSD: myproposal.h,v 1.35 2013/12/06 13:39:49 markus Exp $ */ 2/* $FreeBSD: stable/10/crypto/openssh/myproposal.h 294693 2016-01-24 22:28:18Z 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#ifdef OPENSSL_HAS_NISTP521 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 "ecdh-sha2-nistp256," \ 49 "ecdh-sha2-nistp384," 50# define HOSTKEY_ECDSA_CERT_METHODS \ 51 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 52 "ecdsa-sha2-nistp384-cert-v01@openssh.com," 53# define HOSTKEY_ECDSA_METHODS \ 54 "ecdsa-sha2-nistp256," \ 55 "ecdsa-sha2-nistp384," 56#endif 57#else 58# define KEX_ECDH_METHODS 59# define HOSTKEY_ECDSA_CERT_METHODS 60# define HOSTKEY_ECDSA_METHODS 61#endif 62 63#ifdef OPENSSL_HAVE_EVPGCM 64# define AESGCM_CIPHER_MODES \ 65 "aes128-gcm@openssh.com,aes256-gcm@openssh.com," 66#else 67# define AESGCM_CIPHER_MODES 68#endif 69 70#ifdef HAVE_EVP_SHA256 71# define KEX_SHA256_METHODS \ 72 "diffie-hellman-group-exchange-sha256," 73#define KEX_CURVE25519_METHODS \ 74 "curve25519-sha256@libssh.org," 75#define SHA2_HMAC_MODES \ 76 "hmac-sha2-256," \ 77 "hmac-sha2-512," 78#else 79# define KEX_SHA256_METHODS 80# define KEX_CURVE25519_METHODS 81# define SHA2_HMAC_MODES 82#endif 83 84# define KEX_DEFAULT_KEX \ 85 KEX_CURVE25519_METHODS \ 86 KEX_ECDH_METHODS \ 87 KEX_SHA256_METHODS \ 88 "diffie-hellman-group-exchange-sha1," \ 89 "diffie-hellman-group14-sha1," \ 90 "diffie-hellman-group1-sha1" 91 92#define KEX_DEFAULT_PK_ALG \ 93 HOSTKEY_ECDSA_CERT_METHODS \ 94 "ssh-ed25519-cert-v01@openssh.com," \ 95 "ssh-rsa-cert-v01@openssh.com," \ 96 "ssh-dss-cert-v01@openssh.com," \ 97 "ssh-rsa-cert-v00@openssh.com," \ 98 "ssh-dss-cert-v00@openssh.com," \ 99 HOSTKEY_ECDSA_METHODS \ 100 "ssh-ed25519," \ 101 "ssh-rsa," \ 102 "ssh-dss" 103 104/* the actual algorithms */ 105 106#define KEX_DEFAULT_ENCRYPT \ 107 "aes128-ctr,aes192-ctr,aes256-ctr," \ 108 "arcfour256,arcfour128," \ 109 AESGCM_CIPHER_MODES \ 110 "chacha20-poly1305@openssh.com," \ 111 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ 112 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se" 113 114#define KEX_DEFAULT_MAC \ 115 "hmac-md5-etm@openssh.com," \ 116 "hmac-sha1-etm@openssh.com," \ 117 "umac-64-etm@openssh.com," \ 118 "umac-128-etm@openssh.com," \ 119 "hmac-sha2-256-etm@openssh.com," \ 120 "hmac-sha2-512-etm@openssh.com," \ 121 "hmac-ripemd160-etm@openssh.com," \ 122 "hmac-sha1-96-etm@openssh.com," \ 123 "hmac-md5-96-etm@openssh.com," \ 124 "hmac-md5," \ 125 "hmac-sha1," \ 126 "umac-64@openssh.com," \ 127 "umac-128@openssh.com," \ 128 SHA2_HMAC_MODES \ 129 "hmac-ripemd160," \ 130 "hmac-ripemd160@openssh.com," \ 131 "hmac-sha1-96," \ 132 "hmac-md5-96" 133 134#define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" 135#define KEX_DEFAULT_LANG "" 136 137 138static char *myproposal[PROPOSAL_MAX] = { 139 KEX_DEFAULT_KEX, 140 KEX_DEFAULT_PK_ALG, 141 KEX_DEFAULT_ENCRYPT, 142 KEX_DEFAULT_ENCRYPT, 143 KEX_DEFAULT_MAC, 144 KEX_DEFAULT_MAC, 145 KEX_DEFAULT_COMP, 146 KEX_DEFAULT_COMP, 147 KEX_DEFAULT_LANG, 148 KEX_DEFAULT_LANG 149}; 150