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aa77750747
o Fix some punctuation and wording o Wording consistency in command-line option documentation o Make use of mdoc's markup a bit more (quoting and the like) Obtained from: TrustedBSD Project Sponsored by: DARPA, NAI Labs
171 lines
5.1 KiB
Groff
171 lines
5.1 KiB
Groff
.\"
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.\" Copyright (c) 2002 Poul-Henning Kamp
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.\" Copyright (c) 2002 Networks Associates Technology, Inc.
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.\" All rights reserved.
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.\"
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.\" This software was developed for the FreeBSD Project by Poul-Henning Kamp
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.\" and NAI Labs, the Security Research Division of Network Associates, Inc.
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.\" under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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.\" DARPA CHATS research program.
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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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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 19, 2002
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.Os
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.Dt gbde 8
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.Sh NAME
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.Nm gbde
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.Nd Operation and management utility for Geom Based Disk Encryption.
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.Sh SYNOPSIS
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.Nm
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.Cm attach
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.Ar destination
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.Op Fl l Ar lockfile
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.Op Fl p Ar pass-phrase
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.Nm
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.Cm detach
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.Ar destination
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.Nm
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.Cm init
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.Ar destination
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.Op Fl i
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.Op Fl f Ar filename
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.Op Fl L Ar lockfile
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.Op Fl P Ar pass-phrase
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.Nm
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.Cm setkey
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.Ar destination
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.Op Fl n Ar key
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.Op Fl l Ar lockfile
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.Op Fl p Ar pass-phrase
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.Op Fl L Ar new-lockfile
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.Op Fl P Ar new-pass-phrase
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.Nm
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.Cm destroy
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.Ar destination
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.Op Fl n Ar key
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.Op Fl l Ar lockfile
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.Op Fl L Ar lockfile
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.Sh DESCRIPTION
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The
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.Nm
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program is the only official operation and management interface for the
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.Xr gbde 4
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GEOM based disk encryption kernel facility.
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The interaction between the
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.Nm
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program and the kernel part is not a published interface.
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.Pp
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The operational aspect consists of two subcommands:
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one to open and attach
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a device to the in-kernel cryptographic gbde module,
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and one to close and detach a device.
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.Pp
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The management part allows initialization of the master key and lock sectors
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on a device, initialization and replacement of pass-phrases and
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key invalidation and blackening functions.
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.Pp
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The
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.Fl l Ar lockfile
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argument is used to supply the lock selector data.
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If no
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.Fl l
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option is specified, the first sector is used for this purpose.
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.Pp
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The
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.Fl L Ar new-lockfile
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argument
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specifies the lock selector file for the key modified with the
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.Ar setkey subcommand.
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.Pp
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The
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.Fl n Ar key
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argument can be used to specify which of the four keys
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to which the operation applies.
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A value of 1 to 4 selects the specified key, a value of 0 (the default)
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means
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.Dq "this key"
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(i.e., the key used to gain access to the device)
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and a value of -1 means
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.Dq "all keys" .
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.Pp
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The
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.Fl f Ar filename
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specifies an optional parameter file for use under initialization.
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.Pp
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Alternatively, the
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.Fl i
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option toggles an interactive mode where a template file with descriptions
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of the parameters can be interactively edited.
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.Pp
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The
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.Fl p Ar pass-phrase
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argument
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specifies the pass-phrase used to opening the device.
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If not specified, the controlling terminal will be used to prompt the user
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for the pass-phrase.
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.Pp
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The
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.Fl P Ar new-pass-phrase
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argument
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can be used to specify the new pass-phrase to the
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.Cm setkey
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subcommand.
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If not specified, the user is prompted for the new pass-phrase on the
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controlling terminal.
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.Sh EXAMPLES
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To initialize a device, using default parameters:
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.Dl # gbde init /dev/ad0s1f -l /etc/ad0s1f.lock
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.Pp
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To attach an encrypted device:
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.Dl # gbde attach ad0s1f -l /etc/ad0s1f.lock
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.Pp
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To detach an encrypted device:
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.Dl # gbde detach ad0s1f
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.Pp
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To initialize the second key using a detached lockfile and a trivial
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pass-phrase:
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.Dl # gbde setkey ad0s1f -n 2 -P foo -L key2.lockfile
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.Pp
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To destroy all copies of the masterkey:
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.Dl # gbde destroy ad0s1f -n -1
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.Sh SEE ALSO
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.Xr gbde 4 ,
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.Xr geom 4 .
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.Rs
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.%A Poul-Henning Kamp
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.%T "Making sure data is lost: Spook-strength encryption of on-disk data"
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.%R "Refereed paper, NORDU2003 conference"
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.Re
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.Sh HISTORY
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This software was developed for the FreeBSD Project by Poul-Henning Kamp
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and NAI Labs, the Security Research Division of Network Associates, Inc.
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under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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DARPA CHATS research program.
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.Sh AUTHORS
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.An "Poul-Henning Kamp" Aq phk@FreeBSD.org
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