1 /* $OpenBSD: myproposal.h,v 1.57 2018/09/12 01:34:02 djm 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 WITH_OPENSSL 28 29 #define KEX_COMMON_KEX \ 30 "curve25519-sha256," \ 31 "curve25519-sha256@libssh.org," \ 32 "ecdh-sha2-nistp256," \ 33 "ecdh-sha2-nistp384," \ 34 "ecdh-sha2-nistp521," \ 35 "diffie-hellman-group-exchange-sha256," \ 36 "diffie-hellman-group16-sha512," \ 37 "diffie-hellman-group18-sha512" \ 38 39 #define KEX_SERVER_KEX KEX_COMMON_KEX "," \ 40 "diffie-hellman-group14-sha256," \ 41 "diffie-hellman-group14-sha1" 42 43 #define KEX_CLIENT_KEX KEX_COMMON_KEX "," \ 44 "diffie-hellman-group-exchange-sha1," \ 45 "diffie-hellman-group14-sha256," \ 46 "diffie-hellman-group14-sha1" 47 48 #define KEX_DEFAULT_PK_ALG \ 49 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 50 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ 51 "ecdsa-sha2-nistp521-cert-v01@openssh.com," \ 52 "ssh-ed25519-cert-v01@openssh.com," \ 53 "rsa-sha2-512-cert-v01@openssh.com," \ 54 "rsa-sha2-256-cert-v01@openssh.com," \ 55 "ssh-rsa-cert-v01@openssh.com," \ 56 "ecdsa-sha2-nistp256," \ 57 "ecdsa-sha2-nistp384," \ 58 "ecdsa-sha2-nistp521," \ 59 "ssh-ed25519," \ 60 "rsa-sha2-512," \ 61 "rsa-sha2-256," \ 62 "ssh-rsa" 63 64 #define KEX_SERVER_ENCRYPT \ 65 "chacha20-poly1305@openssh.com," \ 66 "aes128-ctr,aes192-ctr,aes256-ctr," \ 67 "aes128-gcm@openssh.com,aes256-gcm@openssh.com" 68 69 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 70 71 #define KEX_SERVER_MAC \ 72 "umac-64-etm@openssh.com," \ 73 "umac-128-etm@openssh.com," \ 74 "hmac-sha2-256-etm@openssh.com," \ 75 "hmac-sha2-512-etm@openssh.com," \ 76 "hmac-sha1-etm@openssh.com," \ 77 "umac-64@openssh.com," \ 78 "umac-128@openssh.com," \ 79 "hmac-sha2-256," \ 80 "hmac-sha2-512," \ 81 "hmac-sha1" 82 83 #define KEX_CLIENT_MAC KEX_SERVER_MAC 84 85 /* Not a KEX value, but here so all the algorithm defaults are together */ 86 #define SSH_ALLOWED_CA_SIGALGS \ 87 "ecdsa-sha2-nistp256," \ 88 "ecdsa-sha2-nistp384," \ 89 "ecdsa-sha2-nistp521," \ 90 "ssh-ed25519," \ 91 "rsa-sha2-512," \ 92 "rsa-sha2-256," \ 93 "ssh-rsa" 94 95 #else /* WITH_OPENSSL */ 96 97 #define KEX_SERVER_KEX \ 98 "curve25519-sha256," \ 99 "curve25519-sha256@libssh.org" 100 #define KEX_DEFAULT_PK_ALG \ 101 "ssh-ed25519-cert-v01@openssh.com," \ 102 "ssh-ed25519" 103 #define KEX_SERVER_ENCRYPT \ 104 "chacha20-poly1305@openssh.com," \ 105 "aes128-ctr,aes192-ctr,aes256-ctr" 106 #define KEX_SERVER_MAC \ 107 "umac-64-etm@openssh.com," \ 108 "umac-128-etm@openssh.com," \ 109 "hmac-sha2-256-etm@openssh.com," \ 110 "hmac-sha2-512-etm@openssh.com," \ 111 "hmac-sha1-etm@openssh.com," \ 112 "umac-64@openssh.com," \ 113 "umac-128@openssh.com," \ 114 "hmac-sha2-256," \ 115 "hmac-sha2-512," \ 116 "hmac-sha1" 117 118 #define KEX_CLIENT_KEX KEX_SERVER_KEX 119 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 120 #define KEX_CLIENT_MAC KEX_SERVER_MAC 121 122 #define SSH_ALLOWED_CA_SIGALGS "ssh-ed25519" 123 124 #endif /* WITH_OPENSSL */ 125 126 #define KEX_DEFAULT_COMP "none,zlib@openssh.com" 127 #define KEX_DEFAULT_LANG "" 128 129 #define KEX_CLIENT \ 130 KEX_CLIENT_KEX, \ 131 KEX_DEFAULT_PK_ALG, \ 132 KEX_CLIENT_ENCRYPT, \ 133 KEX_CLIENT_ENCRYPT, \ 134 KEX_CLIENT_MAC, \ 135 KEX_CLIENT_MAC, \ 136 KEX_DEFAULT_COMP, \ 137 KEX_DEFAULT_COMP, \ 138 KEX_DEFAULT_LANG, \ 139 KEX_DEFAULT_LANG 140 141 #define KEX_SERVER \ 142 KEX_SERVER_KEX, \ 143 KEX_DEFAULT_PK_ALG, \ 144 KEX_SERVER_ENCRYPT, \ 145 KEX_SERVER_ENCRYPT, \ 146 KEX_SERVER_MAC, \ 147 KEX_SERVER_MAC, \ 148 KEX_DEFAULT_COMP, \ 149 KEX_DEFAULT_COMP, \ 150 KEX_DEFAULT_LANG, \ 151 KEX_DEFAULT_LANG 152