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.\" $OpenBSD: ssh-sk-helper.8,v 1.4 2022/04/29 03:24:30 djm Exp $
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.\"
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.\" Copyright (c) 2010 Markus Friedl. All rights reserved.
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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2024-04-10 14:39:05 +08:00
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.Dd $Mdocdate: April 29 2022 $
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2022-06-16 16:57:06 +08:00
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.Dt SSH-SK-HELPER 8
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.Os
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.Sh NAME
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.Nm ssh-sk-helper
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.Nd OpenSSH helper for FIDO authenticator support
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.Sh SYNOPSIS
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.Nm
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.Op Fl v
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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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.Xr ssh-agent 1 ,
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and
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.Xr ssh-keygen 1
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to access keys provided by a FIDO authenticator.
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.Pp
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.Nm
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is not intended to be invoked directly by the user.
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.Pp
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A single option is supported:
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.Bl -tag -width Ds
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.It Fl v
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Verbose mode.
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Causes
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.Nm
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to print debugging messages about its progress.
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This is helpful in debugging problems.
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Multiple
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.Fl v
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options increase the verbosity.
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The maximum is 3.
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.Pp
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Note that
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.Xr ssh 1 ,
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.Xr ssh-agent 1 ,
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and
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.Xr ssh-keygen 1
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will automatically pass the
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.Fl v
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flag to
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.Nm
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when they have themselves been placed in debug mode.
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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-agent 1 ,
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.Xr ssh-keygen 1
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.Sh HISTORY
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.Nm
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first appeared in
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.Ox 6.7 .
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.Sh AUTHORS
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.An Damien Miller Aq Mt djm@openbsd.org
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