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.\" $OpenBSD: ssh-keysign.8,v 1.2 2002/06/10 16:56:30 stevesk Exp $
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.\"
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.\" Copyright (c) 2002 Markus Friedl. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd May 24, 2002
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.Dt SSH-KEYSIGN 8
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.Os
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.Sh NAME
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.Nm ssh-keysign
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.Nd ssh helper program for hostbased authentication
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.Sh SYNOPSIS
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.Nm
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.Sh DESCRIPTION
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.Nm
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is used by
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.Xr ssh 1
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to access the local host keys and generate the digital signature
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required during hostbased authentication with SSH protocol version 2.
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.Nm
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is not intended to be invoked by the user, but from
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.Xr ssh 1 .
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See
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.Xr ssh 1
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and
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.Xr sshd 8
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for more information about hostbased authentication.
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2002-06-11 23:50:13 +08:00
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.Sh FILES
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.Bl -tag -width Ds
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.It Pa /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key
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These files contain the private parts of the host keys used to
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generate the digital signature. They
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should be owned by root, readable only by root, and not
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accessible to others.
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Since they are readable only by root,
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.Nm
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must be set-uid root if hostbased authentication is used.
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.El
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.Sh SEE ALSO
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.Xr ssh 1 ,
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.Xr ssh-keygen 1 ,
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.Xr sshd 8
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.Sh AUTHORS
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Markus Friedl <markus@openbsd.org>
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.Sh HISTORY
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.Nm
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first appeared in
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.Ox 3.2 .
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