crypto/openssh/myproposal.h

   1 /* $OpenBSD: myproposal.h,v 1.32 2013/01/08 18:49:04 markus Exp $ */
   2 /* $FreeBSD$ */
   3
   4 /*
   5  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <openssl/opensslv.h>
  29
  30 /* conditional algorithm support */
  31
  32 #ifdef OPENSSL_HAS_ECC
  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@openssh.com," \
  39         "ecdsa-sha2-nistp384-cert-v01@openssh.com," \
  40         "ecdsa-sha2-nistp521-cert-v01@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 # define HOSTKEY_ECDSA_CERT_METHODS
  48 # define HOSTKEY_ECDSA_METHODS
  49 #endif
  50
  51 #ifdef OPENSSL_HAVE_EVPGCM
  52 # define AESGCM_CIPHER_MODES \
  53         "aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
  54 #else
  55 # define AESGCM_CIPHER_MODES
  56 #endif
  57
  58 #ifdef HAVE_EVP_SHA256
  59 # define KEX_SHA256_METHODS \
  60         "diffie-hellman-group-exchange-sha256,"
  61 #define SHA2_HMAC_MODES \
  62         "hmac-sha2-256," \
  63         "hmac-sha2-512,"
  64 #else
  65 # define KEX_SHA256_METHODS
  66 # define SHA2_HMAC_MODES
  67 #endif
  68
  69 # define KEX_DEFAULT_KEX \
  70         KEX_ECDH_METHODS \
  71         KEX_SHA256_METHODS \
  72         "diffie-hellman-group-exchange-sha1," \
  73         "diffie-hellman-group14-sha1," \
  74         "diffie-hellman-group1-sha1"
  75
  76 #define KEX_DEFAULT_PK_ALG      \
  77         HOSTKEY_ECDSA_CERT_METHODS \
  78         "ssh-rsa-cert-v01@openssh.com," \
  79         "ssh-dss-cert-v01@openssh.com," \
  80         "ssh-rsa-cert-v00@openssh.com," \
  81         "ssh-dss-cert-v00@openssh.com," \
  82         HOSTKEY_ECDSA_METHODS \
  83         "ssh-rsa," \
  84         "ssh-dss"
  85
  86 /* the actual algorithms */
  87
  88 #define KEX_DEFAULT_ENCRYPT \
  89         "aes128-ctr,aes192-ctr,aes256-ctr," \
  90         "arcfour256,arcfour128," \
  91         AESGCM_CIPHER_MODES \
  92         "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
  93         "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
  94 #ifdef  NONE_CIPHER_ENABLED
  95 #define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
  96         ",none"
  97 #endif
  98
  99 #define KEX_DEFAULT_MAC \
 100         "hmac-md5-etm@openssh.com," \
 101         "hmac-sha1-etm@openssh.com," \
 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-ripemd160-etm@openssh.com," \
 107         "hmac-sha1-96-etm@openssh.com," \
 108         "hmac-md5-96-etm@openssh.com," \
 109         "hmac-md5," \
 110         "hmac-sha1," \
 111         "umac-64@openssh.com," \
 112         "umac-128@openssh.com," \
 113         SHA2_HMAC_MODES \
 114         "hmac-ripemd160," \
 115         "hmac-ripemd160@openssh.com," \
 116         "hmac-sha1-96," \
 117         "hmac-md5-96"
 118
 119 #define KEX_DEFAULT_COMP        "none,zlib@openssh.com,zlib"
 120 #define KEX_DEFAULT_LANG        ""
 121
 122
 123 static char *myproposal[PROPOSAL_MAX] = {
 124         KEX_DEFAULT_KEX,
 125         KEX_DEFAULT_PK_ALG,
 126         KEX_DEFAULT_ENCRYPT,
 127         KEX_DEFAULT_ENCRYPT,
 128         KEX_DEFAULT_MAC,
 129         KEX_DEFAULT_MAC,
 130         KEX_DEFAULT_COMP,
 131         KEX_DEFAULT_COMP,
 132         KEX_DEFAULT_LANG,
 133         KEX_DEFAULT_LANG
 134 };