200 lines
5.4 KiB
C
200 lines
5.4 KiB
C
/* $OpenBSD: myproposal.h,v 1.56 2018/07/03 11:39:54 djm Exp $ */
|
|
/* $FreeBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2000 Markus Friedl. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <openssl/opensslv.h>
|
|
|
|
/* conditional algorithm support */
|
|
|
|
#ifdef OPENSSL_HAS_ECC
|
|
#ifdef OPENSSL_HAS_NISTP521
|
|
# define KEX_ECDH_METHODS \
|
|
"ecdh-sha2-nistp256," \
|
|
"ecdh-sha2-nistp384," \
|
|
"ecdh-sha2-nistp521,"
|
|
# define HOSTKEY_ECDSA_CERT_METHODS \
|
|
"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
|
|
"ecdsa-sha2-nistp384-cert-v01@openssh.com," \
|
|
"ecdsa-sha2-nistp521-cert-v01@openssh.com,"
|
|
# define HOSTKEY_ECDSA_METHODS \
|
|
"ecdsa-sha2-nistp256," \
|
|
"ecdsa-sha2-nistp384," \
|
|
"ecdsa-sha2-nistp521,"
|
|
#else
|
|
# define KEX_ECDH_METHODS \
|
|
"ecdh-sha2-nistp256," \
|
|
"ecdh-sha2-nistp384,"
|
|
# define HOSTKEY_ECDSA_CERT_METHODS \
|
|
"ecdsa-sha2-nistp256-cert-v01@openssh.com," \
|
|
"ecdsa-sha2-nistp384-cert-v01@openssh.com,"
|
|
# define HOSTKEY_ECDSA_METHODS \
|
|
"ecdsa-sha2-nistp256," \
|
|
"ecdsa-sha2-nistp384,"
|
|
#endif
|
|
#else
|
|
# define KEX_ECDH_METHODS
|
|
# define HOSTKEY_ECDSA_CERT_METHODS
|
|
# define HOSTKEY_ECDSA_METHODS
|
|
#endif
|
|
|
|
#ifdef OPENSSL_HAVE_EVPGCM
|
|
# define AESGCM_CIPHER_MODES \
|
|
",aes128-gcm@openssh.com,aes256-gcm@openssh.com"
|
|
#else
|
|
# define AESGCM_CIPHER_MODES
|
|
#endif
|
|
|
|
#ifdef HAVE_EVP_SHA256
|
|
# define KEX_SHA2_METHODS \
|
|
"diffie-hellman-group-exchange-sha256," \
|
|
"diffie-hellman-group16-sha512," \
|
|
"diffie-hellman-group18-sha512,"
|
|
# define KEX_SHA2_GROUP14 \
|
|
"diffie-hellman-group14-sha256,"
|
|
#define SHA2_HMAC_MODES \
|
|
"hmac-sha2-256," \
|
|
"hmac-sha2-512,"
|
|
#else
|
|
# define KEX_SHA2_METHODS
|
|
# define KEX_SHA2_GROUP14
|
|
# define SHA2_HMAC_MODES
|
|
#endif
|
|
|
|
#ifdef WITH_OPENSSL
|
|
# ifdef HAVE_EVP_SHA256
|
|
# define KEX_CURVE25519_METHODS \
|
|
"curve25519-sha256," \
|
|
"curve25519-sha256@libssh.org,"
|
|
# else
|
|
# define KEX_CURVE25519_METHODS ""
|
|
# endif
|
|
#define KEX_COMMON_KEX \
|
|
KEX_CURVE25519_METHODS \
|
|
KEX_ECDH_METHODS \
|
|
KEX_SHA2_METHODS
|
|
|
|
#define KEX_SERVER_KEX KEX_COMMON_KEX \
|
|
KEX_SHA2_GROUP14 \
|
|
"diffie-hellman-group14-sha1" \
|
|
|
|
#define KEX_CLIENT_KEX KEX_COMMON_KEX \
|
|
"diffie-hellman-group-exchange-sha1," \
|
|
KEX_SHA2_GROUP14 \
|
|
"diffie-hellman-group14-sha1"
|
|
|
|
#define KEX_DEFAULT_PK_ALG \
|
|
HOSTKEY_ECDSA_CERT_METHODS \
|
|
"ssh-ed25519-cert-v01@openssh.com," \
|
|
"rsa-sha2-512-cert-v01@openssh.com," \
|
|
"rsa-sha2-256-cert-v01@openssh.com," \
|
|
"ssh-rsa-cert-v01@openssh.com," \
|
|
HOSTKEY_ECDSA_METHODS \
|
|
"ssh-ed25519," \
|
|
"rsa-sha2-512," \
|
|
"rsa-sha2-256," \
|
|
"ssh-rsa"
|
|
|
|
/* the actual algorithms */
|
|
|
|
#define KEX_SERVER_ENCRYPT \
|
|
"chacha20-poly1305@openssh.com," \
|
|
"aes128-ctr,aes192-ctr,aes256-ctr" \
|
|
AESGCM_CIPHER_MODES \
|
|
",aes128-cbc,aes192-cbc,aes256-cbc"
|
|
|
|
#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
|
|
|
|
#define KEX_SERVER_MAC \
|
|
"umac-64-etm@openssh.com," \
|
|
"umac-128-etm@openssh.com," \
|
|
"hmac-sha2-256-etm@openssh.com," \
|
|
"hmac-sha2-512-etm@openssh.com," \
|
|
"hmac-sha1-etm@openssh.com," \
|
|
"umac-64@openssh.com," \
|
|
"umac-128@openssh.com," \
|
|
"hmac-sha2-256," \
|
|
"hmac-sha2-512," \
|
|
"hmac-sha1"
|
|
|
|
#define KEX_CLIENT_MAC KEX_SERVER_MAC
|
|
|
|
#else /* WITH_OPENSSL */
|
|
|
|
#define KEX_SERVER_KEX \
|
|
"curve25519-sha256," \
|
|
"curve25519-sha256@libssh.org"
|
|
#define KEX_DEFAULT_PK_ALG \
|
|
"ssh-ed25519-cert-v01@openssh.com," \
|
|
"ssh-ed25519"
|
|
#define KEX_SERVER_ENCRYPT \
|
|
"chacha20-poly1305@openssh.com," \
|
|
"aes128-ctr,aes192-ctr,aes256-ctr"
|
|
#define KEX_SERVER_MAC \
|
|
"umac-64-etm@openssh.com," \
|
|
"umac-128-etm@openssh.com," \
|
|
"hmac-sha2-256-etm@openssh.com," \
|
|
"hmac-sha2-512-etm@openssh.com," \
|
|
"hmac-sha1-etm@openssh.com," \
|
|
"umac-64@openssh.com," \
|
|
"umac-128@openssh.com," \
|
|
"hmac-sha2-256," \
|
|
"hmac-sha2-512," \
|
|
"hmac-sha1"
|
|
|
|
#define KEX_CLIENT_KEX KEX_SERVER_KEX
|
|
#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT
|
|
#define KEX_CLIENT_MAC KEX_SERVER_MAC
|
|
|
|
#endif /* WITH_OPENSSL */
|
|
|
|
#define KEX_DEFAULT_COMP "none,zlib@openssh.com"
|
|
#define KEX_DEFAULT_LANG ""
|
|
|
|
#define KEX_CLIENT \
|
|
KEX_CLIENT_KEX, \
|
|
KEX_DEFAULT_PK_ALG, \
|
|
KEX_CLIENT_ENCRYPT, \
|
|
KEX_CLIENT_ENCRYPT, \
|
|
KEX_CLIENT_MAC, \
|
|
KEX_CLIENT_MAC, \
|
|
KEX_DEFAULT_COMP, \
|
|
KEX_DEFAULT_COMP, \
|
|
KEX_DEFAULT_LANG, \
|
|
KEX_DEFAULT_LANG
|
|
|
|
#define KEX_SERVER \
|
|
KEX_SERVER_KEX, \
|
|
KEX_DEFAULT_PK_ALG, \
|
|
KEX_SERVER_ENCRYPT, \
|
|
KEX_SERVER_ENCRYPT, \
|
|
KEX_SERVER_MAC, \
|
|
KEX_SERVER_MAC, \
|
|
KEX_DEFAULT_COMP, \
|
|
KEX_DEFAULT_COMP, \
|
|
KEX_DEFAULT_LANG, \
|
|
KEX_DEFAULT_LANG
|
|
|