crypto/openssh/myproposal.h

   1 /* $OpenBSD: myproposal.h,v 1.28 2011/08/02 01:22:11 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 #include <openssl/opensslv.h>
  28
  29 #ifdef OPENSSL_HAS_ECC
  30 # define KEX_ECDH_METHODS \
  31         "ecdh-sha2-nistp256," \
  32         "ecdh-sha2-nistp384," \
  33         "ecdh-sha2-nistp521,"
  34 # define HOSTKEY_ECDSA_CERT_METHODS \
  35         "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
  36         "ecdsa-sha2-nistp384-cert-v01@openssh.com," \
  37         "ecdsa-sha2-nistp521-cert-v01@openssh.com,"
  38 # define HOSTKEY_ECDSA_METHODS \
  39         "ecdsa-sha2-nistp256," \
  40         "ecdsa-sha2-nistp384," \
  41         "ecdsa-sha2-nistp521,"
  42 #else
  43 # define KEX_ECDH_METHODS
  44 # define HOSTKEY_ECDSA_CERT_METHODS
  45 # define HOSTKEY_ECDSA_METHODS
  46 #endif
  47
  48 /* Old OpenSSL doesn't support what we need for DHGEX-sha256 */
  49 #if OPENSSL_VERSION_NUMBER >= 0x00907000L
  50 # define KEX_SHA256_METHODS \
  51         "diffie-hellman-group-exchange-sha256,"
  52 #else
  53 # define KEX_SHA256_METHODS
  54 #endif
  55
  56 # define KEX_DEFAULT_KEX \
  57         KEX_ECDH_METHODS \
  58         KEX_SHA256_METHODS \
  59         "diffie-hellman-group-exchange-sha1," \
  60         "diffie-hellman-group14-sha1," \
  61         "diffie-hellman-group1-sha1"
  62
  63 #define KEX_DEFAULT_PK_ALG      \
  64         HOSTKEY_ECDSA_CERT_METHODS \
  65         "ssh-rsa-cert-v01@openssh.com," \
  66         "ssh-dss-cert-v01@openssh.com," \
  67         "ssh-rsa-cert-v00@openssh.com," \
  68         "ssh-dss-cert-v00@openssh.com," \
  69         HOSTKEY_ECDSA_METHODS \
  70         "ssh-rsa," \
  71         "ssh-dss"
  72
  73 #define KEX_DEFAULT_ENCRYPT \
  74         "aes128-ctr,aes192-ctr,aes256-ctr," \
  75         "arcfour256,arcfour128," \
  76         "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
  77         "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
  78 #define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
  79         ",none"
  80 #ifdef HAVE_EVP_SHA256
  81 #define SHA2_HMAC_MODES \
  82         "hmac-sha2-256," \
  83         "hmac-sha2-256-96," \
  84         "hmac-sha2-512," \
  85         "hmac-sha2-512-96,"
  86 #else
  87 # define SHA2_HMAC_MODES
  88 #endif
  89 #define KEX_DEFAULT_MAC \
  90         "hmac-md5," \
  91         "hmac-sha1," \
  92         "umac-64@openssh.com," \
  93         SHA2_HMAC_MODES \
  94         "hmac-ripemd160," \
  95         "hmac-ripemd160@openssh.com," \
  96         "hmac-sha1-96," \
  97         "hmac-md5-96"
  98
  99 #define KEX_DEFAULT_COMP        "none,zlib@openssh.com,zlib"
 100 #define KEX_DEFAULT_LANG        ""
 101
 102
 103 static char *myproposal[PROPOSAL_MAX] = {
 104         KEX_DEFAULT_KEX,
 105         KEX_DEFAULT_PK_ALG,
 106         KEX_DEFAULT_ENCRYPT,
 107         KEX_DEFAULT_ENCRYPT,
 108         KEX_DEFAULT_MAC,
 109         KEX_DEFAULT_MAC,
 110         KEX_DEFAULT_COMP,
 111         KEX_DEFAULT_COMP,
 112         KEX_DEFAULT_LANG,
 113         KEX_DEFAULT_LANG
 114 };