crypto/openssh/myproposal.h

   1 /* $OpenBSD: myproposal.h,v 1.69 2021/08/29 23:53:10 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 #define KEX_SERVER_KEX  \
  28         "curve25519-sha256," \
  29         "curve25519-sha256@libssh.org," \
  30         "ecdh-sha2-nistp256," \
  31         "ecdh-sha2-nistp384," \
  32         "ecdh-sha2-nistp521," \
  33         "diffie-hellman-group-exchange-sha256," \
  34         "diffie-hellman-group16-sha512," \
  35         "diffie-hellman-group18-sha512," \
  36         "diffie-hellman-group14-sha256"
  37
  38 #define KEX_CLIENT_KEX KEX_SERVER_KEX
  39
  40 #define KEX_DEFAULT_PK_ALG      \
  41         "ssh-ed25519-cert-v01@openssh.com," \
  42         "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
  43         "ecdsa-sha2-nistp384-cert-v01@openssh.com," \
  44         "ecdsa-sha2-nistp521-cert-v01@openssh.com," \
  45         "sk-ssh-ed25519-cert-v01@openssh.com," \
  46         "sk-ecdsa-sha2-nistp256-cert-v01@openssh.com," \
  47         "rsa-sha2-512-cert-v01@openssh.com," \
  48         "rsa-sha2-256-cert-v01@openssh.com," \
  49         "ssh-ed25519," \
  50         "ecdsa-sha2-nistp256," \
  51         "ecdsa-sha2-nistp384," \
  52         "ecdsa-sha2-nistp521," \
  53         "sk-ssh-ed25519@openssh.com," \
  54         "sk-ecdsa-sha2-nistp256@openssh.com," \
  55         "rsa-sha2-512," \
  56         "rsa-sha2-256"
  57
  58 #define KEX_SERVER_ENCRYPT \
  59         "chacha20-poly1305@openssh.com," \
  60         "aes128-ctr,aes192-ctr,aes256-ctr," \
  61         "aes128-gcm@openssh.com,aes256-gcm@openssh.com"
  62
  63 #define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
  64
  65 #define KEX_SERVER_MAC \
  66         "umac-64-etm@openssh.com," \
  67         "umac-128-etm@openssh.com," \
  68         "hmac-sha2-256-etm@openssh.com," \
  69         "hmac-sha2-512-etm@openssh.com," \
  70         "hmac-sha1-etm@openssh.com," \
  71         "umac-64@openssh.com," \
  72         "umac-128@openssh.com," \
  73         "hmac-sha2-256," \
  74         "hmac-sha2-512," \
  75         "hmac-sha1"
  76
  77 #define KEX_CLIENT_MAC KEX_SERVER_MAC
  78
  79 /* Not a KEX value, but here so all the algorithm defaults are together */
  80 #define SSH_ALLOWED_CA_SIGALGS  \
  81         "ssh-ed25519," \
  82         "ecdsa-sha2-nistp256," \
  83         "ecdsa-sha2-nistp384," \
  84         "ecdsa-sha2-nistp521," \
  85         "sk-ssh-ed25519@openssh.com," \
  86         "sk-ecdsa-sha2-nistp256@openssh.com," \
  87         "rsa-sha2-512," \
  88         "rsa-sha2-256"
  89
  90 #define KEX_DEFAULT_COMP        "none,zlib@openssh.com"
  91 #define KEX_DEFAULT_LANG        ""
  92
  93 #define KEX_CLIENT \
  94         KEX_CLIENT_KEX, \
  95         KEX_DEFAULT_PK_ALG, \
  96         KEX_CLIENT_ENCRYPT, \
  97         KEX_CLIENT_ENCRYPT, \
  98         KEX_CLIENT_MAC, \
  99         KEX_CLIENT_MAC, \
 100         KEX_DEFAULT_COMP, \
 101         KEX_DEFAULT_COMP, \
 102         KEX_DEFAULT_LANG, \
 103         KEX_DEFAULT_LANG
 104
 105 #define KEX_SERVER \
 106         KEX_SERVER_KEX, \
 107         KEX_DEFAULT_PK_ALG, \
 108         KEX_SERVER_ENCRYPT, \
 109         KEX_SERVER_ENCRYPT, \
 110         KEX_SERVER_MAC, \
 111         KEX_SERVER_MAC, \
 112         KEX_DEFAULT_COMP, \
 113         KEX_DEFAULT_COMP, \
 114         KEX_DEFAULT_LANG, \
 115         KEX_DEFAULT_LANG