1 /* $OpenBSD: myproposal.h,v 1.58 2019/02/23 08:20:43 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_SERVER_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 "diffie-hellman-group14-sha256," \ 39 "diffie-hellman-group14-sha1" 40 41 #define KEX_CLIENT_KEX KEX_SERVER_KEX 42 43 #define KEX_DEFAULT_PK_ALG \ 44 "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ 45 "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ 46 "ecdsa-sha2-nistp521-cert-v01@openssh.com," \ 47 "ssh-ed25519-cert-v01@openssh.com," \ 48 "rsa-sha2-512-cert-v01@openssh.com," \ 49 "rsa-sha2-256-cert-v01@openssh.com," \ 50 "ssh-rsa-cert-v01@openssh.com," \ 51 "ecdsa-sha2-nistp256," \ 52 "ecdsa-sha2-nistp384," \ 53 "ecdsa-sha2-nistp521," \ 54 "ssh-ed25519," \ 55 "rsa-sha2-512," \ 56 "rsa-sha2-256," \ 57 "ssh-rsa" 58 59 #define KEX_SERVER_ENCRYPT \ 60 "chacha20-poly1305@openssh.com," \ 61 "aes128-ctr,aes192-ctr,aes256-ctr," \ 62 "aes128-gcm@openssh.com,aes256-gcm@openssh.com" 63 64 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 65 66 #define KEX_SERVER_MAC \ 67 "umac-64-etm@openssh.com," \ 68 "umac-128-etm@openssh.com," \ 69 "hmac-sha2-256-etm@openssh.com," \ 70 "hmac-sha2-512-etm@openssh.com," \ 71 "hmac-sha1-etm@openssh.com," \ 72 "umac-64@openssh.com," \ 73 "umac-128@openssh.com," \ 74 "hmac-sha2-256," \ 75 "hmac-sha2-512," \ 76 "hmac-sha1" 77 78 #define KEX_CLIENT_MAC KEX_SERVER_MAC 79 80 /* Not a KEX value, but here so all the algorithm defaults are together */ 81 #define SSH_ALLOWED_CA_SIGALGS \ 82 "ecdsa-sha2-nistp256," \ 83 "ecdsa-sha2-nistp384," \ 84 "ecdsa-sha2-nistp521," \ 85 "ssh-ed25519," \ 86 "rsa-sha2-512," \ 87 "rsa-sha2-256," \ 88 "ssh-rsa" 89 90 #else /* WITH_OPENSSL */ 91 92 #define KEX_SERVER_KEX \ 93 "curve25519-sha256," \ 94 "curve25519-sha256@libssh.org" 95 #define KEX_DEFAULT_PK_ALG \ 96 "ssh-ed25519-cert-v01@openssh.com," \ 97 "ssh-ed25519" 98 #define KEX_SERVER_ENCRYPT \ 99 "chacha20-poly1305@openssh.com," \ 100 "aes128-ctr,aes192-ctr,aes256-ctr" 101 #define KEX_SERVER_MAC \ 102 "umac-64-etm@openssh.com," \ 103 "umac-128-etm@openssh.com," \ 104 "hmac-sha2-256-etm@openssh.com," \ 105 "hmac-sha2-512-etm@openssh.com," \ 106 "hmac-sha1-etm@openssh.com," \ 107 "umac-64@openssh.com," \ 108 "umac-128@openssh.com," \ 109 "hmac-sha2-256," \ 110 "hmac-sha2-512," \ 111 "hmac-sha1" 112 113 #define KEX_CLIENT_KEX KEX_SERVER_KEX 114 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT 115 #define KEX_CLIENT_MAC KEX_SERVER_MAC 116 117 #define SSH_ALLOWED_CA_SIGALGS "ssh-ed25519" 118 119 #endif /* WITH_OPENSSL */ 120 121 #define KEX_DEFAULT_COMP "none,zlib@openssh.com" 122 #define KEX_DEFAULT_LANG "" 123 124 #define KEX_CLIENT \ 125 KEX_CLIENT_KEX, \ 126 KEX_DEFAULT_PK_ALG, \ 127 KEX_CLIENT_ENCRYPT, \ 128 KEX_CLIENT_ENCRYPT, \ 129 KEX_CLIENT_MAC, \ 130 KEX_CLIENT_MAC, \ 131 KEX_DEFAULT_COMP, \ 132 KEX_DEFAULT_COMP, \ 133 KEX_DEFAULT_LANG, \ 134 KEX_DEFAULT_LANG 135 136 #define KEX_SERVER \ 137 KEX_SERVER_KEX, \ 138 KEX_DEFAULT_PK_ALG, \ 139 KEX_SERVER_ENCRYPT, \ 140 KEX_SERVER_ENCRYPT, \ 141 KEX_SERVER_MAC, \ 142 KEX_SERVER_MAC, \ 143 KEX_DEFAULT_COMP, \ 144 KEX_DEFAULT_COMP, \ 145 KEX_DEFAULT_LANG, \ 146 KEX_DEFAULT_LANG 147