gshsec man page on FreeBSD

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GSHSEC(8)		  BSD System Manager's Manual		     GSHSEC(8)

NAME
     gshsec — control utility for shared secret devices

SYNOPSIS
     gshsec label [-hv] name prov prov ...
     gshsec stop [-fv] name ...
     gshsec clear [-v] prov ...
     gshsec dump prov ...
     gshsec list
     gshsec status
     gshsec load
     gshsec unload

DESCRIPTION
     The gshsec utility is used for setting up a device which contains a
     shared secret.  The secret is shared between the given providers.	To
     collect the secret, all providers are needed.  If one of the components
     is missing, there is no way to get any useful data from the rest of them.
     The first argument to gshsec indicates an action to be performed:

     label    Set up a shared secret device from the given components with the
	      specified name.  Metadata are stored in the last sector of every
	      component.

     stop     Turn off an existing shared secret device by its name.  This
	      command does not touch on-disk metadata!

     clear    Clear metadata on the given providers.

     dump     Dump metadata stored on the given providers.

     list     See geom(8).

     status   See geom(8).

     load     See geom(8).

     unload   See geom(8).

     Additional options:

     -f	 Force the removal of the specified shared secret device.

     -h	 Hardcode providers' names in metadata.

     -v	 Be more verbose.

EXIT STATUS
     Exit status is 0 on success, and 1 if the command fails.

EXAMPLES
     The following example shows how to create a shared secret device.	The
     secret will be split between a slice on a local disk and a USB Pen drive.

	   gshsec label -v secret /dev/ad0s1 /dev/da0
	   newfs /dev/shsec/secret

     From now on, when the USB Pen drive is inserted, it will be automatically
     detected and connected, making the secret available via the
     /dev/shsec/secret device.

SEE ALSO
     geom(4), gbde(8), geom(8), newfs(8)

HISTORY
     The gshsec utility appeared in FreeBSD 5.4.

AUTHORS
     Pawel Jakub Dawidek ⟨pjd@FreeBSD.org⟩

BSD				January 8, 2005				   BSD
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