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- markus@cvs.openbsd.org 2013/12/06 13:39:49 [authfd.c authfile.c key.c key.h myproposal.h pathnames.h readconf.c] [servconf.c ssh-agent.c ssh-keygen.c ssh-keyscan.1 ssh-keyscan.c] [ssh-keysign.c ssh.c ssh_config.5 sshd.8 sshd.c verify.c ssh-ed25519.c] [sc25519.h sc25519.c hash.c ge25519_base.data ge25519.h ge25519.c] [fe25519.h fe25519.c ed25519.c crypto_api.h blocks.c] support ed25519 keys (hostkeys and user identities) using the public domain ed25519 reference code from SUPERCOP, see http://ed25519.cr.yp.to/software.html feedback, help & ok djm@
2013-12-07 01:24:01 +01:00
/* $OpenBSD: myproposal.h,v 1.35 2013/12/06 13:39:49 markus Exp $ */
- niklas@cvs.openbsd.org 2001/01/2001 [atomicio.h canohost.h clientloop.h deattack.h dh.h dispatch.h groupaccess.c groupaccess.h hmac.h hostfile.h includes.h kex.h key.h log.h login.h match.h misc.h myproposal.h nchan.ms pathnames.h radix.h readpass.h rijndael.h serverloop.h session.h sftp.h ssh-add.1 ssh-dss.h ssh-keygen.1 ssh-keyscan.1 ssh-rsa.h ssh1.h ssh_config sshconnect.h sshd_config tildexpand.h uidswap.h uuencode.h] $OpenBSD$
2001-01-29 08:39:26 +01:00
- (djm) Merge OpenBSD changes: - markus@cvs.openbsd.org 2000/09/05 02:59:57 [session.c] print hostname (not hushlogin) - markus@cvs.openbsd.org 2000/09/05 13:18:48 [authfile.c ssh-add.c] enable ssh-add -d for DSA keys - markus@cvs.openbsd.org 2000/09/05 13:20:49 [sftp-server.c] cleanup - markus@cvs.openbsd.org 2000/09/06 03:46:41 [authfile.h] prototype - deraadt@cvs.openbsd.org 2000/09/07 14:27:56 [ALL] cleanup copyright notices on all files. I have attempted to be accurate with the details. everything is now under Tatu's licence (which I copied from his readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd developers under a 2-term bsd licence. We're not changing any rules, just being accurate. - markus@cvs.openbsd.org 2000/09/07 14:40:30 [channels.c channels.h clientloop.c serverloop.c ssh.c] cleanup window and packet sizes for ssh2 flow control; ok niels - markus@cvs.openbsd.org 2000/09/07 14:53:00 [scp.c] typo - markus@cvs.openbsd.org 2000/09/07 15:13:37 [auth-options.c auth-options.h auth-rh-rsa.c auth-rsa.c auth.c] [authfile.h canohost.c channels.h compat.c hostfile.h log.c match.h] [pty.c readconf.c] some more Copyright fixes - markus@cvs.openbsd.org 2000/09/08 03:02:51 [README.openssh2] bye bye - deraadt@cvs.openbsd.org 2000/09/11 18:38:33 [LICENCE cipher.c] a few more comments about it being ARC4 not RC4 - markus@cvs.openbsd.org 2000/09/12 14:53:11 [log-client.c log-server.c log.c ssh.1 ssh.c ssh.h sshd.8 sshd.c] multiple debug levels - markus@cvs.openbsd.org 2000/09/14 14:25:15 [clientloop.c] typo - deraadt@cvs.openbsd.org 2000/09/15 01:13:51 [ssh-agent.c] check return value for setenv(3) for failure, and deal appropriately
2000-09-16 04:29:08 +02:00
/*
* 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.
*/
- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable sha256 when openssl < 0.9.7. Patch from djm@. Corrections/testing by me.
2006-03-16 05:17:05 +01:00
#include <openssl/opensslv.h>
- (dtucker) [myproposal.h] Make the conditional algorithm support consistent and add some comments so it's clear what goes where.
2013-06-11 04:10:02 +02:00
/* conditional algorithm support */
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
#ifdef OPENSSL_HAS_ECC
- (dtucker) [configure.ac kex.c key.c myproposal.h] Test for the presence of NID_X9_62_prime256v1, NID_secp384r1 and NID_secp521r1 and test that the latter actually works before using it. Fedora (at least) has NID_secp521r1 that doesn't work (see https://bugzilla.redhat.com/show_bug.cgi?id=1021897).
2013-11-09 08:39:25 +01:00
#ifdef OPENSSL_HAS_NISTP521
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
# 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
- (dtucker) [configure.ac kex.c key.c myproposal.h] Test for the presence of NID_X9_62_prime256v1, NID_secp384r1 and NID_secp521r1 and test that the latter actually works before using it. Fedora (at least) has NID_secp521r1 that doesn't work (see https://bugzilla.redhat.com/show_bug.cgi?id=1021897).
2013-11-09 08:39:25 +01:00
# 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
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
# define KEX_ECDH_METHODS
# define HOSTKEY_ECDSA_CERT_METHODS
# define HOSTKEY_ECDSA_METHODS
#endif
- (dtucker) [myproposal.h] Do not advertise AES GSM ciphers if we don't have the required OpenSSL support. Patch from naddy at freebsd.
2013-06-11 03:47:24 +02:00
#ifdef OPENSSL_HAVE_EVPGCM
# define AESGCM_CIPHER_MODES \
"aes128-gcm@openssh.com,aes256-gcm@openssh.com,"
#else
# define AESGCM_CIPHER_MODES
#endif
- (dtucker) Enable sha256 kex methods based on the presence of the necessary functions, not from the openssl version.
2013-06-05 07:04:00 +02:00
#ifdef HAVE_EVP_SHA256
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
# define KEX_SHA256_METHODS \
- (djm) [myproposal.h] Fix reversed OPENSSL_VERSION_NUMBER test and bad #define that was causing diffie-hellman-group-exchange-sha256 to be incorrectly disabled
2011-01-13 12:00:20 +01:00
"diffie-hellman-group-exchange-sha256,"
- (dtucker) [myproposal.h] Conditionally enable CURVE25519_SHA256.
2013-11-08 11:10:04 +01:00
#define KEX_CURVE25519_METHODS \
"curve25519-sha256@libssh.org,"
- (dtucker) [myproposal.h] Make the conditional algorithm support consistent and add some comments so it's clear what goes where.
2013-06-11 04:10:02 +02:00
#define SHA2_HMAC_MODES \
"hmac-sha2-256," \
"hmac-sha2-512,"
- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable sha256 when openssl < 0.9.7. Patch from djm@. Corrections/testing by me.
2006-03-16 05:17:05 +01:00
#else
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
# define KEX_SHA256_METHODS
- (dtucker) [myproposal.h] Conditionally enable CURVE25519_SHA256.
2013-11-08 11:10:04 +01:00
# define KEX_CURVE25519_METHODS
- (dtucker) [myproposal.h] Make the conditional algorithm support consistent and add some comments so it's clear what goes where.
2013-06-11 04:10:02 +02:00
# define SHA2_HMAC_MODES
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
#endif
# define KEX_DEFAULT_KEX \
- (dtucker) [myproposal.h] Conditionally enable CURVE25519_SHA256.
2013-11-08 11:10:04 +01:00
KEX_CURVE25519_METHODS \
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
KEX_ECDH_METHODS \
KEX_SHA256_METHODS \
- djm@cvs.openbsd.org 2006/03/07 09:07:40 [kex.c kex.h monitor.c myproposal.h ssh-keyscan.c sshconnect2.c sshd.c] Implement the diffie-hellman-group-exchange-sha256 key exchange method using the SHA256 code in libc (and wrapper to make it into an OpenSSL EVP), interop tested against CVS PuTTY NB. no portability bits committed yet
2006-03-15 02:08:28 +01:00
"diffie-hellman-group-exchange-sha1," \
- deraadt@cvs.openbsd.org 2006/03/19 18:53:12 [kex.h myproposal.h] spacing
2006-03-25 14:04:32 +01:00
"diffie-hellman-group14-sha1," \
"diffie-hellman-group1-sha1"
- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable sha256 when openssl < 0.9.7. Patch from djm@. Corrections/testing by me.
2006-03-16 05:17:05 +01:00
- djm@cvs.openbsd.org 2010/04/16 01:47:26 [PROTOCOL.certkeys auth-options.c auth-options.h auth-rsa.c] [auth2-pubkey.c authfd.c key.c key.h myproposal.h ssh-add.c] [ssh-agent.c ssh-dss.c ssh-keygen.1 ssh-keygen.c ssh-rsa.c] [sshconnect.c sshconnect2.c sshd.c] revised certificate format ssh-{dss,rsa}-cert-v01@openssh.com with the following changes: move the nonce field to the beginning of the certificate where it can better protect against chosen-prefix attacks on the signature hash Rename "constraints" field to "critical options" Add a new non-critical "extensions" field Add a serial number The older format is still support for authentication and cert generation (use "ssh-keygen -t v00 -s ca_key ..." to generate a v00 certificate) ok markus@
2010-04-16 07:56:21 +02:00
#define KEX_DEFAULT_PK_ALG \
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
HOSTKEY_ECDSA_CERT_METHODS \
- markus@cvs.openbsd.org 2013/12/06 13:39:49 [authfd.c authfile.c key.c key.h myproposal.h pathnames.h readconf.c] [servconf.c ssh-agent.c ssh-keygen.c ssh-keyscan.1 ssh-keyscan.c] [ssh-keysign.c ssh.c ssh_config.5 sshd.8 sshd.c verify.c ssh-ed25519.c] [sc25519.h sc25519.c hash.c ge25519_base.data ge25519.h ge25519.c] [fe25519.h fe25519.c ed25519.c crypto_api.h blocks.c] support ed25519 keys (hostkeys and user identities) using the public domain ed25519 reference code from SUPERCOP, see http://ed25519.cr.yp.to/software.html feedback, help & ok djm@
2013-12-07 01:24:01 +01:00
"ssh-ed25519-cert-v01@openssh.com," \
- djm@cvs.openbsd.org 2010/08/31 11:54:45 [PROTOCOL PROTOCOL.agent PROTOCOL.certkeys auth2-jpake.c authfd.c] [authfile.c buffer.h dns.c kex.c kex.h key.c key.h monitor.c] [monitor_wrap.c myproposal.h packet.c packet.h pathnames.h readconf.c] [ssh-add.1 ssh-add.c ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh-keygen.c] [ssh-keyscan.1 ssh-keyscan.c ssh-keysign.8 ssh.1 ssh.c ssh2.h] [ssh_config.5 sshconnect.c sshconnect2.c sshd.8 sshd.c sshd_config.5] [uuencode.c uuencode.h bufec.c kexecdh.c kexecdhc.c kexecdhs.c ssh-ecdsa.c] Implement Elliptic Curve Cryptography modes for key exchange (ECDH) and host/user keys (ECDSA) as specified by RFC5656. ECDH and ECDSA offer better performance than plain DH and DSA at the same equivalent symmetric key length, as well as much shorter keys. Only the mandatory sections of RFC5656 are implemented, specifically the three REQUIRED curves nistp256, nistp384 and nistp521 and only ECDH and ECDSA. Point compression (optional in RFC5656 is NOT implemented). Certificate host and user keys using the new ECDSA key types are supported. Note that this code has not been tested for interoperability and may be subject to change. feedback and ok markus@
2010-08-31 14:41:14 +02:00
"ssh-rsa-cert-v01@openssh.com," \
"ssh-dss-cert-v01@openssh.com," \
"ssh-rsa-cert-v00@openssh.com," \
"ssh-dss-cert-v00@openssh.com," \
- (djm) [authfd.c authfile.c bufec.c buffer.h configure.ac kex.h kexecdh.c] [kexecdhc.c kexecdhs.c key.c key.h myproposal.h packet.c readconf.c] [ssh-agent.c ssh-ecdsa.c ssh-keygen.c ssh.c] Disable ECDH and ECDSA on platforms that don't have the requisite OpenSSL support. ok dtucker@
2010-09-10 03:39:26 +02:00
HOSTKEY_ECDSA_METHODS \
- markus@cvs.openbsd.org 2013/12/06 13:39:49 [authfd.c authfile.c key.c key.h myproposal.h pathnames.h readconf.c] [servconf.c ssh-agent.c ssh-keygen.c ssh-keyscan.1 ssh-keyscan.c] [ssh-keysign.c ssh.c ssh_config.5 sshd.8 sshd.c verify.c ssh-ed25519.c] [sc25519.h sc25519.c hash.c ge25519_base.data ge25519.h ge25519.c] [fe25519.h fe25519.c ed25519.c crypto_api.h blocks.c] support ed25519 keys (hostkeys and user identities) using the public domain ed25519 reference code from SUPERCOP, see http://ed25519.cr.yp.to/software.html feedback, help & ok djm@
2013-12-07 01:24:01 +01:00
"ssh-ed25519," \
- djm@cvs.openbsd.org 2010/08/31 11:54:45 [PROTOCOL PROTOCOL.agent PROTOCOL.certkeys auth2-jpake.c authfd.c] [authfile.c buffer.h dns.c kex.c kex.h key.c key.h monitor.c] [monitor_wrap.c myproposal.h packet.c packet.h pathnames.h readconf.c] [ssh-add.1 ssh-add.c ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh-keygen.c] [ssh-keyscan.1 ssh-keyscan.c ssh-keysign.8 ssh.1 ssh.c ssh2.h] [ssh_config.5 sshconnect.c sshconnect2.c sshd.8 sshd.c sshd_config.5] [uuencode.c uuencode.h bufec.c kexecdh.c kexecdhc.c kexecdhs.c ssh-ecdsa.c] Implement Elliptic Curve Cryptography modes for key exchange (ECDH) and host/user keys (ECDSA) as specified by RFC5656. ECDH and ECDSA offer better performance than plain DH and DSA at the same equivalent symmetric key length, as well as much shorter keys. Only the mandatory sections of RFC5656 are implemented, specifically the three REQUIRED curves nistp256, nistp384 and nistp521 and only ECDH and ECDSA. Point compression (optional in RFC5656 is NOT implemented). Certificate host and user keys using the new ECDSA key types are supported. Note that this code has not been tested for interoperability and may be subject to change. feedback and ok markus@
2010-08-31 14:41:14 +02:00
"ssh-rsa," \
"ssh-dss"
- djm@cvs.openbsd.org 2009/01/23 07:58:11 [myproposal.h] prefer CTR modes and revised arcfour (i.e w/ discard) modes to CBC modes; ok markus@
2009-01-28 06:33:31 +01:00
- (dtucker) [myproposal.h] Make the conditional algorithm support consistent and add some comments so it's clear what goes where.
2013-06-11 04:10:02 +02:00
/* the actual algorithms */
- (djm) Big OpenBSD sync: - markus@cvs.openbsd.org 2000/09/30 10:27:44 [log.c] allow loglevel debug - markus@cvs.openbsd.org 2000/10/03 11:59:57 [packet.c] hmac->mac - markus@cvs.openbsd.org 2000/10/03 12:03:03 [auth-krb4.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth1.c] move fake-auth from auth1.c to individual auth methods, disables s/key in debug-msg - markus@cvs.openbsd.org 2000/10/03 12:16:48 ssh.c do not resolve canonname, i have no idea why this was added oin ossh - markus@cvs.openbsd.org 2000/10/09 15:30:44 ssh-keygen.1 ssh-keygen.c -X now reads private ssh.com DSA keys, too. - markus@cvs.openbsd.org 2000/10/09 15:32:34 auth-options.c clear options on every call. - markus@cvs.openbsd.org 2000/10/09 15:51:00 authfd.c authfd.h interop with ssh-agent2, from <res@shore.net> - markus@cvs.openbsd.org 2000/10/10 14:20:45 compat.c use rexexp for version string matching - provos@cvs.openbsd.org 2000/10/10 22:02:18 [kex.c kex.h myproposal.h ssh.h ssh2.h sshconnect2.c sshd.c dh.c dh.h] First rough implementation of the diffie-hellman group exchange. The client can ask the server for bigger groups to perform the diffie-hellman in, thus increasing the attack complexity when using ciphers with longer keys. University of Windsor provided network, T the company. - markus@cvs.openbsd.org 2000/10/11 13:59:52 [auth-rsa.c auth2.c] clear auth options unless auth sucessfull - markus@cvs.openbsd.org 2000/10/11 14:00:27 [auth-options.h] clear auth options unless auth sucessfull - markus@cvs.openbsd.org 2000/10/11 14:03:27 [scp.1 scp.c] support 'scp -o' with help from mouring@pconline.com - markus@cvs.openbsd.org 2000/10/11 14:11:35 [dh.c] Wall - markus@cvs.openbsd.org 2000/10/11 14:14:40 [auth.h auth2.c readconf.c readconf.h readpass.c servconf.c servconf.h] [ssh.h sshconnect2.c sshd_config auth2-skey.c cli.c cli.h] add support for s/key (kbd-interactive) to ssh2, based on work by mkiernan@avantgo.com and me - markus@cvs.openbsd.org 2000/10/11 14:27:24 [auth.c auth1.c auth2.c authfile.c cipher.c cipher.h kex.c kex.h] [myproposal.h packet.c readconf.c session.c ssh.c ssh.h sshconnect1.c] [sshconnect2.c sshd.c] new cipher framework - markus@cvs.openbsd.org 2000/10/11 14:45:21 [cipher.c] remove DES - markus@cvs.openbsd.org 2000/10/12 03:59:20 [cipher.c cipher.h sshconnect1.c sshconnect2.c sshd.c] enable DES in SSH-1 clients only - markus@cvs.openbsd.org 2000/10/12 08:21:13 [kex.h packet.c] remove unused - markus@cvs.openbsd.org 2000/10/13 12:34:46 [sshd.c] Kludge for F-Secure Macintosh < 1.0.2; appro@fy.chalmers.se - markus@cvs.openbsd.org 2000/10/13 12:59:15 [cipher.c cipher.h myproposal.h rijndael.c rijndael.h] rijndael/aes support - markus@cvs.openbsd.org 2000/10/13 13:10:54 [sshd.8] more info about -V - markus@cvs.openbsd.org 2000/10/13 13:12:02 [myproposal.h] prefer no compression
2000-10-14 07:23:11 +02:00
#define KEX_DEFAULT_ENCRYPT \
- djm@cvs.openbsd.org 2009/01/23 07:58:11 [myproposal.h] prefer CTR modes and revised arcfour (i.e w/ discard) modes to CBC modes; ok markus@
2009-01-28 06:33:31 +01:00
"aes128-ctr,aes192-ctr,aes256-ctr," \
"arcfour256,arcfour128," \
- (dtucker) [myproposal.h] Do not advertise AES GSM ciphers if we don't have the required OpenSSL support. Patch from naddy at freebsd.
2013-06-11 03:47:24 +02:00
AESGCM_CIPHER_MODES \
- djm@cvs.openbsd.org 2013/11/21 00:45:44 [Makefile.in PROTOCOL PROTOCOL.chacha20poly1305 authfile.c chacha.c] [chacha.h cipher-chachapoly.c cipher-chachapoly.h cipher.c cipher.h] [dh.c myproposal.h packet.c poly1305.c poly1305.h servconf.c ssh.1] [ssh.c ssh_config.5 sshd_config.5] Add a new protocol 2 transport cipher "chacha20-poly1305@openssh.com" that combines Daniel Bernstein's ChaCha20 stream cipher and Poly1305 MAC to build an authenticated encryption mode. Inspired by and similar to Adam Langley's proposal for TLS: http://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-03 but differs in layout used for the MAC calculation and the use of a second ChaCha20 instance to separately encrypt packet lengths. Details are in the PROTOCOL.chacha20poly1305 file. Feedback markus@, naddy@; manpage bits Loganden Velvindron @ AfriNIC ok markus@ naddy@
2013-11-21 04:12:23 +01:00
"chacha20-poly1305@openssh.com," \
- djm@cvs.openbsd.org 2005/05/23 23:32:46 [cipher.c myproposal.h ssh.1 ssh_config.5 sshd_config.5] add support for draft-harris-ssh-arcfour-fixes-02 improved arcfour modes; ok markus@
2005-05-26 04:19:17 +02:00
"aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc," \
- djm@cvs.openbsd.org 2009/01/23 07:58:11 [myproposal.h] prefer CTR modes and revised arcfour (i.e w/ discard) modes to CBC modes; ok markus@
2009-01-28 06:33:31 +01:00
"aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se"
- (dtucker) [myproposal.h] Make the conditional algorithm support consistent and add some comments so it's clear what goes where.
2013-06-11 04:10:02 +02:00
- markus@cvs.openbsd.org 2001/02/11 12:59:25 [Makefile.in sshd.8 sshconnect2.c readconf.h readconf.c packet.c sshd.c ssh.c ssh.1 servconf.h servconf.c myproposal.h kex.h kex.c] 1) clean up the MAC support for SSH-2 2) allow you to specify the MAC with 'ssh -m' 3) or the 'MACs' keyword in ssh(d)_config 4) add hmac-{md5,sha1}-96 ok stevesk@, provos@
2001-02-15 04:01:59 +01:00
#define KEX_DEFAULT_MAC \
- markus@cvs.openbsd.org 2012/12/11 22:31:18 [PROTOCOL authfile.c cipher.c cipher.h kex.h mac.c myproposal.h] [packet.c ssh_config.5 sshd_config.5] add encrypt-then-mac (EtM) modes to openssh by defining new mac algorithms that change the packet format and compute the MAC over the encrypted message (including the packet size) instead of the plaintext data; these EtM modes are considered more secure and used by default. feedback and ok djm@
2012-12-12 00:46:31 +01:00
"hmac-md5-etm@openssh.com," \
"hmac-sha1-etm@openssh.com," \
"umac-64-etm@openssh.com," \
"umac-128-etm@openssh.com," \
"hmac-sha2-256-etm@openssh.com," \
"hmac-sha2-512-etm@openssh.com," \
"hmac-ripemd160-etm@openssh.com," \
"hmac-sha1-96-etm@openssh.com," \
"hmac-md5-96-etm@openssh.com," \
- djm@cvs.openbsd.org 2011/08/02 01:22:11 [mac.c myproposal.h ssh.1 ssh_config.5 sshd.8 sshd_config.5] Add new SHA256 and SHA512 based HMAC modes from http://www.ietf.org/id/draft-dbider-sha2-mac-for-ssh-02.txt Patch from mdb AT juniper.net; feedback and ok markus@
2011-08-05 22:17:30 +02:00
"hmac-md5," \
"hmac-sha1," \
"umac-64@openssh.com," \
remove stray '+' from sync
2012-10-05 03:23:59 +02:00
"umac-128@openssh.com," \
- (tim) [mac.c myproposal.h] Wrap SHA256 and SHA512 in ifdefs for OpenSSL 0.9.7. ok djm
2011-08-17 02:29:01 +02:00
SHA2_HMAC_MODES \
- djm@cvs.openbsd.org 2011/08/02 01:22:11 [mac.c myproposal.h ssh.1 ssh_config.5 sshd.8 sshd_config.5] Add new SHA256 and SHA512 based HMAC modes from http://www.ietf.org/id/draft-dbider-sha2-mac-for-ssh-02.txt Patch from mdb AT juniper.net; feedback and ok markus@
2011-08-05 22:17:30 +02:00
"hmac-ripemd160," \
- markus@cvs.openbsd.org 2001/02/11 12:59:25 [Makefile.in sshd.8 sshconnect2.c readconf.h readconf.c packet.c sshd.c ssh.c ssh.1 servconf.h servconf.c myproposal.h kex.h kex.c] 1) clean up the MAC support for SSH-2 2) allow you to specify the MAC with 'ssh -m' 3) or the 'MACs' keyword in ssh(d)_config 4) add hmac-{md5,sha1}-96 ok stevesk@, provos@
2001-02-15 04:01:59 +01:00
"hmac-ripemd160@openssh.com," \
- djm@cvs.openbsd.org 2011/08/02 01:22:11 [mac.c myproposal.h ssh.1 ssh_config.5 sshd.8 sshd_config.5] Add new SHA256 and SHA512 based HMAC modes from http://www.ietf.org/id/draft-dbider-sha2-mac-for-ssh-02.txt Patch from mdb AT juniper.net; feedback and ok markus@
2011-08-05 22:17:30 +02:00
"hmac-sha1-96," \
"hmac-md5-96"
- markus@cvs.openbsd.org 2005/07/25 11:59:40 [kex.c kex.h myproposal.h packet.c packet.h servconf.c session.c] [sshconnect2.c sshd.c sshd_config sshd_config.5] add a new compression method that delays compression until the user has been authenticated successfully and set compression to 'delayed' for sshd. this breaks older openssh clients (< 3.5) if they insist on compression, so you have to re-enable compression in sshd_config. ok djm@
2005-07-26 13:54:56 +02:00
#define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib"
- OpenBSD CVS update: - [channels.c] close efd on eof - [clientloop.c compat.c ssh.c sshconnect.c myproposal.h] ssh2 client implementation, interops w/ ssh.com and lsh servers. - [sshconnect.c] missing free. - [authfile.c cipher.c cipher.h packet.c sshconnect.c sshd.c] remove unused argument, split cipher_mask() - [clientloop.c] re-order: group ssh1 vs. ssh2 - Make Redhat spec require openssl >= 0.9.5a
2000-04-06 04:32:37 +02:00
#define KEX_DEFAULT_LANG ""
- OpenBSD CVS updates: - markus@cvs.openbsd.org [session.c] make x11-fwd work w/ localhost (xauth add host/unix:11) [cipher.c compat.c readconf.c servconf.c] check strtok() != NULL; ok niels@ [key.c] fix key_read() for uuencoded keys w/o '=' [serverloop.c] group ssh1 vs. ssh2 in serverloop [kex.c kex.h myproposal.h sshconnect2.c sshd.c] split kexinit/kexdh, factor out common code [readconf.c ssh.1 ssh.c] forwardagent defaults to no, add ssh -A - theo@cvs.openbsd.org [session.c] just some line shortening
2000-05-30 05:44:51 +02:00
static char *myproposal[PROPOSAL_MAX] = {
- OpenBSD CVS update: - [channels.c] close efd on eof - [clientloop.c compat.c ssh.c sshconnect.c myproposal.h] ssh2 client implementation, interops w/ ssh.com and lsh servers. - [sshconnect.c] missing free. - [authfile.c cipher.c cipher.h packet.c sshconnect.c sshd.c] remove unused argument, split cipher_mask() - [clientloop.c] re-order: group ssh1 vs. ssh2 - Make Redhat spec require openssl >= 0.9.5a
2000-04-06 04:32:37 +02:00
KEX_DEFAULT_KEX,
KEX_DEFAULT_PK_ALG,
KEX_DEFAULT_ENCRYPT,
KEX_DEFAULT_ENCRYPT,
KEX_DEFAULT_MAC,
KEX_DEFAULT_MAC,
KEX_DEFAULT_COMP,
KEX_DEFAULT_COMP,
KEX_DEFAULT_LANG,
KEX_DEFAULT_LANG
};