myproposal.h revision 323121
1/* $OpenBSD: myproposal.h,v 1.50 2016/02/09 05:30:04 djm Exp $ */ 2/* $FreeBSD: stable/10/crypto/openssh/myproposal.h 323121 2017-09-01 21:48:36Z 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 SHA2_HMAC_MODES \ 74 "hmac-sha2-256," \ 75 "hmac-sha2-512," 76#else 77# define KEX_SHA256_METHODS 78# define SHA2_HMAC_MODES 79#endif 80 81#ifdef WITH_OPENSSL 82# ifdef HAVE_EVP_SHA256 83# define KEX_CURVE25519_METHODS "curve25519-sha256@libssh.org," 84# else 85# define KEX_CURVE25519_METHODS "" 86# endif 87#define KEX_COMMON_KEX \ 88 KEX_CURVE25519_METHODS \ 89 KEX_ECDH_METHODS \ 90 KEX_SHA256_METHODS 91 92#define KEX_SERVER_KEX KEX_COMMON_KEX \ 93 "diffie-hellman-group14-sha1" \ 94 95#define KEX_CLIENT_KEX KEX_COMMON_KEX \ 96 "diffie-hellman-group-exchange-sha1," \ 97 "diffie-hellman-group14-sha1" 98 99#define KEX_DEFAULT_PK_ALG \ 100 HOSTKEY_ECDSA_CERT_METHODS \ 101 "ssh-ed25519-cert-v01@openssh.com," \ 102 "ssh-rsa-cert-v01@openssh.com," \ 103 "ssh-dss-cert-v01@openssh.com," \ 104 HOSTKEY_ECDSA_METHODS \ 105 "ssh-ed25519," \ 106 "rsa-sha2-512," \ 107 "rsa-sha2-256," \ 108 "ssh-rsa," \ 109 "ssh-dss" 110 111/* the actual algorithms */ 112 113#define KEX_SERVER_ENCRYPT \ 114 "chacha20-poly1305@openssh.com," \ 115 "aes128-ctr,aes192-ctr,aes256-ctr" \ 116 AESGCM_CIPHER_MODES \ 117 ",aes128-cbc,aes192-cbc,aes256-cbc" 118 119#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \ 120 "3des-cbc" 121 122#define KEX_SERVER_MAC \ 123 "umac-64-etm@openssh.com," \ 124 "umac-128-etm@openssh.com," \ 125 "hmac-sha2-256-etm@openssh.com," \ 126 "hmac-sha2-512-etm@openssh.com," \ 127 "hmac-sha1-etm@openssh.com," \ 128 "umac-64@openssh.com," \ 129 "umac-128@openssh.com," \ 130 "hmac-sha2-256," \ 131 "hmac-sha2-512," \ 132 "hmac-sha1" 133 134#define KEX_CLIENT_MAC KEX_SERVER_MAC 135 136#else /* WITH_OPENSSL */ 137 138#define KEX_SERVER_KEX \ 139 "curve25519-sha256@libssh.org" 140#define KEX_DEFAULT_PK_ALG \ 141 "ssh-ed25519-cert-v01@openssh.com," \ 142 "ssh-ed25519" 143#define KEX_SERVER_ENCRYPT \ 144 "chacha20-poly1305@openssh.com," \ 145 "aes128-ctr,aes192-ctr,aes256-ctr" 146#define KEX_SERVER_MAC \ 147 "umac-64-etm@openssh.com," \ 148 "umac-128-etm@openssh.com," \ 149 "hmac-sha2-256-etm@openssh.com," \ 150 "hmac-sha2-512-etm@openssh.com," \ 151 "hmac-sha1-etm@openssh.com," \ 152 "umac-64@openssh.com," \ 153 "umac-128@openssh.com," \ 154 "hmac-sha2-256," \ 155 "hmac-sha2-512," \ 156 "hmac-sha1" 157 158#define KEX_CLIENT_KEX KEX_SERVER_KEX 159#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 160#define KEX_CLIENT_MAC KEX_SERVER_MAC 161 162#endif /* WITH_OPENSSL */ 163 164#define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib" 165#define KEX_DEFAULT_LANG "" 166 167#define KEX_CLIENT \ 168 KEX_CLIENT_KEX, \ 169 KEX_DEFAULT_PK_ALG, \ 170 KEX_CLIENT_ENCRYPT, \ 171 KEX_CLIENT_ENCRYPT, \ 172 KEX_CLIENT_MAC, \ 173 KEX_CLIENT_MAC, \ 174 KEX_DEFAULT_COMP, \ 175 KEX_DEFAULT_COMP, \ 176 KEX_DEFAULT_LANG, \ 177 KEX_DEFAULT_LANG 178 179#define KEX_SERVER \ 180 KEX_SERVER_KEX, \ 181 KEX_DEFAULT_PK_ALG, \ 182 KEX_SERVER_ENCRYPT, \ 183 KEX_SERVER_ENCRYPT, \ 184 KEX_SERVER_MAC, \ 185 KEX_SERVER_MAC, \ 186 KEX_DEFAULT_COMP, \ 187 KEX_DEFAULT_COMP, \ 188 KEX_DEFAULT_LANG, \ 189 KEX_DEFAULT_LANG 190 191