crypto/openssh/myproposal.h

   1 /* $OpenBSD: myproposal.h,v 1.35 2013/12/06 13:39:49 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 #ifdef OPENSSL_HAS_NISTP521
  34 # define KEX_ECDH_METHODS \
  35         "ecdh-sha2-nistp256," \
  36         "ecdh-sha2-nistp384," \
  37         "ecdh-sha2-nistp521,"
  38 # define HOSTKEY_ECDSA_CERT_METHODS \
  39         "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
  40         "ecdsa-sha2-nistp384-cert-v01@openssh.com," \
  41         "ecdsa-sha2-nistp521-cert-v01@openssh.com,"
  42 # define HOSTKEY_ECDSA_METHODS \
  43         "ecdsa-sha2-nistp256," \
  44         "ecdsa-sha2-nistp384," \
  45         "ecdsa-sha2-nistp521,"
  46 #else
  47 # define KEX_ECDH_METHODS \
  48         "ecdh-sha2-nistp256," \
  49         "ecdh-sha2-nistp384,"
  50 # define HOSTKEY_ECDSA_CERT_METHODS \
  51         "ecdsa-sha2-nistp256-cert-v01@openssh.com," \
  52         "ecdsa-sha2-nistp384-cert-v01@openssh.com,"
  53 # define HOSTKEY_ECDSA_METHODS \
  54         "ecdsa-sha2-nistp256," \
  55         "ecdsa-sha2-nistp384,"
  56 #endif
  57 #else
  58 # define KEX_ECDH_METHODS
  59 # define HOSTKEY_ECDSA_CERT_METHODS
  60 # define HOSTKEY_ECDSA_METHODS
  61 #endif
  62
  63 #ifdef OPENSSL_HAVE_EVPGCM
  64 # define AESGCM_CIPHER_MODES \
  65         "aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
  66 #else
  67 # define AESGCM_CIPHER_MODES
  68 #endif
  69
  70 #ifdef HAVE_EVP_SHA256
  71 # define KEX_SHA256_METHODS \
  72         "diffie-hellman-group-exchange-sha256,"
  73 #define KEX_CURVE25519_METHODS \
  74         "curve25519-sha256@libssh.org,"
  75 #define SHA2_HMAC_MODES \
  76         "hmac-sha2-256," \
  77         "hmac-sha2-512,"
  78 #else
  79 # define KEX_SHA256_METHODS
  80 # define KEX_CURVE25519_METHODS
  81 # define SHA2_HMAC_MODES
  82 #endif
  83
  84 # define KEX_DEFAULT_KEX \
  85         KEX_CURVE25519_METHODS \
  86         KEX_ECDH_METHODS \
  87         KEX_SHA256_METHODS \
  88         "diffie-hellman-group-exchange-sha1," \
  89         "diffie-hellman-group14-sha1," \
  90         "diffie-hellman-group1-sha1"
  91
  92 #define KEX_DEFAULT_PK_ALG      \
  93         HOSTKEY_ECDSA_CERT_METHODS \
  94         "ssh-ed25519-cert-v01@openssh.com," \
  95         "ssh-rsa-cert-v01@openssh.com," \
  96         "ssh-dss-cert-v01@openssh.com," \
  97         "ssh-rsa-cert-v00@openssh.com," \
  98         "ssh-dss-cert-v00@openssh.com," \
  99         HOSTKEY_ECDSA_METHODS \
 100         "ssh-ed25519," \
 101         "ssh-rsa," \
 102         "ssh-dss"
 103
 104 /* the actual algorithms */
 105
 106 #define KEX_DEFAULT_ENCRYPT \
 107         "aes128-ctr,aes192-ctr,aes256-ctr," \
 108         "arcfour256,arcfour128," \
 109         AESGCM_CIPHER_MODES \
 110         "chacha20-poly1305@openssh.com," \
 111         "aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
 112         "aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
 113 #ifdef  NONE_CIPHER_ENABLED
 114 #define KEX_ENCRYPT_INCLUDE_NONE KEX_DEFAULT_ENCRYPT \
 115         ",none"
 116 #endif
 117
 118 #define KEX_DEFAULT_MAC \
 119         "hmac-md5-etm@openssh.com," \
 120         "hmac-sha1-etm@openssh.com," \
 121         "umac-64-etm@openssh.com," \
 122         "umac-128-etm@openssh.com," \
 123         "hmac-sha2-256-etm@openssh.com," \
 124         "hmac-sha2-512-etm@openssh.com," \
 125         "hmac-ripemd160-etm@openssh.com," \
 126         "hmac-sha1-96-etm@openssh.com," \
 127         "hmac-md5-96-etm@openssh.com," \
 128         "hmac-md5," \
 129         "hmac-sha1," \
 130         "umac-64@openssh.com," \
 131         "umac-128@openssh.com," \
 132         SHA2_HMAC_MODES \
 133         "hmac-ripemd160," \
 134         "hmac-ripemd160@openssh.com," \
 135         "hmac-sha1-96," \
 136         "hmac-md5-96"
 137
 138 #define KEX_DEFAULT_COMP        "none,zlib@openssh.com,zlib"
 139 #define KEX_DEFAULT_LANG        ""
 140
 141
 142 static char *myproposal[PROPOSAL_MAX] = {
 143         KEX_DEFAULT_KEX,
 144         KEX_DEFAULT_PK_ALG,
 145         KEX_DEFAULT_ENCRYPT,
 146         KEX_DEFAULT_ENCRYPT,
 147         KEX_DEFAULT_MAC,
 148         KEX_DEFAULT_MAC,
 149         KEX_DEFAULT_COMP,
 150         KEX_DEFAULT_COMP,
 151         KEX_DEFAULT_LANG,
 152         KEX_DEFAULT_LANG
 153 };