1.\" $OpenBSD: ssh-sk-helper.8,v 1.3 2019/12/21 20:22:34 naddy Exp $ 2.\" 3.\" Copyright (c) 2010 Markus Friedl. All rights reserved. 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: December 21 2019 $ 18.Dt SSH-SK-HELPER 8 19.Os 20.Sh NAME 21.Nm ssh-sk-helper 22.Nd OpenSSH helper for FIDO authenticator support 23.Sh SYNOPSIS 24.Nm 25.Op Fl v 26.Sh DESCRIPTION 27.Nm 28is used by 29.Xr ssh-agent 1 30to access keys provided by a FIDO authenticator. 31.Pp 32.Nm 33is not intended to be invoked by the user, but from 34.Xr ssh-agent 1 . 35.Pp 36A single option is supported: 37.Bl -tag -width Ds 38.It Fl v 39Verbose mode. 40Causes 41.Nm 42to print debugging messages about its progress. 43This is helpful in debugging problems. 44Multiple 45.Fl v 46options increase the verbosity. 47The maximum is 3. 48.Pp 49Note that 50.Xr ssh-agent 1 51will automatically pass the 52.Fl v 53flag to 54.Nm 55when it has itself been placed in debug mode. 56.El 57.Sh SEE ALSO 58.Xr ssh 1 , 59.Xr ssh-add 1 , 60.Xr ssh-agent 1 61.Sh HISTORY 62.Nm 63first appeared in 64.Ox 6.7 . 65.Sh AUTHORS 66.An Damien Miller Aq Mt djm@openbsd.org 67