1 /* $OpenBSD: myproposal.h,v 1.47 2015/07/10 06:21:53 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 #include <openssl/opensslv.h> 28 29 /* conditional algorithm support */ 30 31 #ifdef OPENSSL_HAS_ECC 32 #ifdef OPENSSL_HAS_NISTP521 33 # define KEX_ECDH_METHODS \ 34 "ecdh-sha2-nistp256," \ 35 "ecdh-sha2-nistp384," \ 36 "ecdh-sha2-nistp521," 37 # define HOSTKEY_ECDSA_CERT_METHODS \ 38 "ecdsa-sha2-nistp256-cert-v01 (at) openssh.com," \ 39 "ecdsa-sha2-nistp384-cert-v01 (at) openssh.com," \ 40 "ecdsa-sha2-nistp521-cert-v01 (at) openssh.com," 41 # define HOSTKEY_ECDSA_METHODS \ 42 "ecdsa-sha2-nistp256," \ 43 "ecdsa-sha2-nistp384," \ 44 "ecdsa-sha2-nistp521," 45 #else 46 # define KEX_ECDH_METHODS \ 47 "ecdh-sha2-nistp256," \ 48 "ecdh-sha2-nistp384," 49 # define HOSTKEY_ECDSA_CERT_METHODS \ 50 "ecdsa-sha2-nistp256-cert-v01 (at) openssh.com," \ 51 "ecdsa-sha2-nistp384-cert-v01 (at) openssh.com," 52 # define HOSTKEY_ECDSA_METHODS \ 53 "ecdsa-sha2-nistp256," \ 54 "ecdsa-sha2-nistp384," 55 #endif 56 #else 57 # define KEX_ECDH_METHODS 58 # define HOSTKEY_ECDSA_CERT_METHODS 59 # define HOSTKEY_ECDSA_METHODS 60 #endif 61 62 #ifdef OPENSSL_HAVE_EVPGCM 63 # define AESGCM_CIPHER_MODES \ 64 ",aes128-gcm (at) openssh.com,aes256-gcm (at) openssh.com" 65 #else 66 # define AESGCM_CIPHER_MODES 67 #endif 68 69 #ifdef HAVE_EVP_SHA256 70 # define KEX_SHA256_METHODS \ 71 "diffie-hellman-group-exchange-sha256," 72 #define SHA2_HMAC_MODES \ 73 "hmac-sha2-256," \ 74 "hmac-sha2-512," 75 #else 76 # define KEX_SHA256_METHODS 77 # define SHA2_HMAC_MODES 78 #endif 79 80 #ifdef HAVE_EVP_RIPEMD 81 #define RIPEMD_MAC_MODES \ 82 "hmac-ripemd160-etm (at) openssh.com," \ 83 "hmac-ripemd160," \ 84 "hmac-ripemd160 (at) openssh.com", 85 #else 86 #define RIPEMD_MAC_MODES 87 #endif 88 89 #ifdef WITH_OPENSSL 90 # ifdef HAVE_EVP_SHA256 91 # define KEX_CURVE25519_METHODS "curve25519-sha256 (at) libssh.org," 92 # else 93 # define KEX_CURVE25519_METHODS "" 94 # endif 95 #define KEX_COMMON_KEX \ 96 KEX_CURVE25519_METHODS \ 97 KEX_ECDH_METHODS \ 98 KEX_SHA256_METHODS 99 100 #define KEX_SERVER_KEX KEX_COMMON_KEX \ 101 "diffie-hellman-group14-sha1" \ 102 103 #define KEX_CLIENT_KEX KEX_COMMON_KEX \ 104 "diffie-hellman-group-exchange-sha1," \ 105 "diffie-hellman-group14-sha1" 106 107 #define KEX_DEFAULT_PK_ALG \ 108 HOSTKEY_ECDSA_CERT_METHODS \ 109 "ssh-ed25519-cert-v01 (at) openssh.com," \ 110 "ssh-rsa-cert-v01 (at) openssh.com," \ 111 HOSTKEY_ECDSA_METHODS \ 112 "ssh-ed25519," \ 113 "ssh-rsa" \ 114 115 /* the actual algorithms */ 116 117 #define KEX_SERVER_ENCRYPT \ 118 "chacha20-poly1305 (at) openssh.com," \ 119 "aes128-ctr,aes192-ctr,aes256-ctr" \ 120 AESGCM_CIPHER_MODES 121 122 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT "," \ 123 "arcfour256,arcfour128," \ 124 "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \ 125 "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc (at) lysator.liu.se" 126 127 #define KEX_SERVER_MAC \ 128 "umac-64-etm (at) openssh.com," \ 129 "umac-128-etm (at) openssh.com," \ 130 "hmac-sha2-256-etm (at) openssh.com," \ 131 "hmac-sha2-512-etm (at) openssh.com," \ 132 "hmac-sha1-etm (at) openssh.com," \ 133 "umac-64 (at) openssh.com," \ 134 "umac-128 (at) openssh.com," \ 135 "hmac-sha2-256," \ 136 "hmac-sha2-512," \ 137 "hmac-sha1" 138 139 #define KEX_CLIENT_MAC KEX_SERVER_MAC "," \ 140 "hmac-md5-etm (at) openssh.com," \ 141 "hmac-sha1-96-etm (at) openssh.com," \ 142 "hmac-md5-96-etm (at) openssh.com," \ 143 "hmac-md5," \ 144 RIPEMD_MAC_MODES \ 145 "hmac-sha1-96," \ 146 "hmac-md5-96" 147 148 #else 149 150 #define KEX_SERVER_KEX \ 151 "curve25519-sha256 (at) libssh.org" 152 #define KEX_DEFAULT_PK_ALG \ 153 "ssh-ed25519-cert-v01 (at) openssh.com," \ 154 "ssh-ed25519" 155 #define KEX_SERVER_ENCRYPT \ 156 "chacha20-poly1305 (at) openssh.com," \ 157 "aes128-ctr,aes192-ctr,aes256-ctr" 158 #define KEX_SERVER_MAC \ 159 "umac-64-etm (at) openssh.com," \ 160 "umac-128-etm (at) openssh.com," \ 161 "hmac-sha2-256-etm (at) openssh.com," \ 162 "hmac-sha2-512-etm (at) openssh.com," \ 163 "hmac-sha1-etm (at) openssh.com," \ 164 "umac-64 (at) openssh.com," \ 165 "umac-128 (at) openssh.com," \ 166 "hmac-sha2-256," \ 167 "hmac-sha2-512," \ 168 "hmac-sha1" 169 170 #define KEX_CLIENT_KEX KEX_SERVER_KEX 171 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 172 #define KEX_CLIENT_MAC KEX_SERVER_MAC 173 174 #endif /* WITH_OPENSSL */ 175 176 #define KEX_DEFAULT_COMP "none,zlib (at) openssh.com,zlib" 177 #define KEX_DEFAULT_LANG "" 178 179 #define KEX_CLIENT \ 180 KEX_CLIENT_KEX, \ 181 KEX_DEFAULT_PK_ALG, \ 182 KEX_CLIENT_ENCRYPT, \ 183 KEX_CLIENT_ENCRYPT, \ 184 KEX_CLIENT_MAC, \ 185 KEX_CLIENT_MAC, \ 186 KEX_DEFAULT_COMP, \ 187 KEX_DEFAULT_COMP, \ 188 KEX_DEFAULT_LANG, \ 189 KEX_DEFAULT_LANG 190 191 #define KEX_SERVER \ 192 KEX_SERVER_KEX, \ 193 KEX_DEFAULT_PK_ALG, \ 194 KEX_SERVER_ENCRYPT, \ 195 KEX_SERVER_ENCRYPT, \ 196 KEX_SERVER_MAC, \ 197 KEX_SERVER_MAC, \ 198 KEX_DEFAULT_COMP, \ 199 KEX_DEFAULT_COMP, \ 200 KEX_DEFAULT_LANG, \ 201 KEX_DEFAULT_LANG 202 203
