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269 lines
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of tomb</TITLE>
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</HEAD><BODY>
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<H1>tomb</H1>
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Section: User Commands (1)<BR>Updated: February 12, 2011<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<P>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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Tomb - the Crypto Undertaker
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<P>
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B><DL COMPACT>
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<DT>tomb [options] command [arguments]<DD>
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</B>
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<B><DT>tomb-open [file]<DD>
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</B>
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<B><DT>tomb-status mountpoint<DD>
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</B>
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<P>
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</DL>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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Tomb is an application to manage the creation and access of encrypted
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storage files: it can be operated from commandline and it can
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integrate with a user's graphical desktop.
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<P>
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Tomb generates encrypted storage files to be opened and closed using
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their associated keys, which are also protected with a password chosen
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by the user. To create, open and close tombs a user will need super
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user rights to execute the tomb commandline utility.
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<P>
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A tomb is like a locked folder that can be safely transported and
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hidden in a filesystem; it encourages users to keep their keys
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separate from tombs, for instance keeping a tomb file on your computer
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harddisk and its key file on a USB stick.
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<P>
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For simplified use, the command <I>tomb-open</I> starts a wizard that
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guides users in the creation of a new tomb or, if a tomb file is
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specified as <I>argument</I>, it opens it and makes it accessible in a
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default location under the /media folder, starting the status tray
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applet (<I>tomb-status</I>) if a desktop is present.
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<P>
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<P>
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<A NAME="lbAE"> </A>
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<H2>COMMANDS</H2>
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<P>
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<B><DL COMPACT>
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<DT>create<DD>
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</B>
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Creates a new encrypted storage tomb and its key, named as specified
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by the given <I>argument</I>.
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<P>
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<B><DT>open<DD>
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</B>
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Opens an existing tomb file specified in the <I>first argument</I>. If
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a <I>second argument</I> is given it will indicate the <I>mountpoint</I>
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where the tomb should be made accessible, if not then the tomb is
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mounted in a directory named after the filename and inside /media.
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<P>
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<B><DT>close<DD>
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</B>
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Closes a currently open tomb. When <I>an argument</I> is specified, it
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should point to the tomb mount on /dev/mapper; if not specified and
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only one tomb is open then it will be closed; if multiple tombs are
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open, the command will list them on the terminal. The special
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<I>argument</I> 'all' will close all currently open tombs.
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<P>
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<B><DT>bury<DD>
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</B>
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Hides a tomb key (<I>first argument</I>) inside a jpeg image (<I>second
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argument</I>) using steganography: the image will change in a way that
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cannot be noticed by human eyes and the presence of the key inside it
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isn't detectable without the right password. This option is useful to
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backup tomb keys in unsuspected places; it uses steghide and the
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serpent encryption algorithm.
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<P>
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<B><DT>exhume<DD>
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</B>
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Extracts a named tomb key (<I>first argument</I>) from a (jpeg) image file
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(<I>second argument</I>) known to be containing it, if the right password is
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given. This is used to recoved buried keys from unsuspected places.
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<P>
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</DL>
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<A NAME="lbAF"> </A>
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<H2>OPTIONS</H2>
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<B><DL COMPACT>
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<DT>-s </B><I><MBytes></I><DD>
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When creating a tomb, this option must be used to specify the size of
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the new <I>file</I> to be created, in megabytes.
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<B><DT>-k </B><I><keyfile></I><DD>
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When opening a tomb, this option can be used to specify the location
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of the key to use. Keys are created with the same name of the tomb
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file adding a '.gpg' suffix, but can be later renamed and transported
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on other media. When a key is not found, the program asks to insert a
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USB storage device and it will look for the key file inside it.
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<B><DT>-n<DD>
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</B>
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Skip processing of post-hooks and bind-hooks if found inside the tomb.
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See the <I>HOOKS</I> section in this manual for more information.
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<B><DT>-h<DD>
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</B>
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Display a help text and quit
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<B><DT>-v<DD>
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</B>
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Display version and quit
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<B><DT>-q<DD>
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</B>
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Run more quietly
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<DT>-D<DD>
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Print more information while running, for debugging purposes
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<P>
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</DL>
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<A NAME="lbAG"> </A>
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<H2>HOOKS</H2>
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<P>
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Hooks are special files that can be placed inside the tomb and trigger
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actions when it is opened and closed; there are two kinds of such
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files: <I>bind-hooks</I> and <I>post-hooks</I> can be placed in the
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base root of the tomb.
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<P>
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<B><DL COMPACT>
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<DT>bind-hooks<DD>
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</B>
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This hook file consists of a simple two column list of files or
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directories inside the tomb to be made directly accessible inside the
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current user's home directory. Tomb will use the "mount -o bind"
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command to bind locations inside the tomb to locations found in $HOME
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so in the first column are indicated paths relative to the tomb and in
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the second column are indicated paths relative to $HOME contents, for
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example:
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<P>
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<BR> mail mail
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<BR> .gnupg .gnupg
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<BR> .fmrc .fetchmailrc
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<BR> .mozilla .mozilla
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<P>
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<B><DT>post-hooks<DD>
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</B>
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This hook file gets executed as user by tomb right after opening it;
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it can consist of a shell script of a binary executable that performs
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batch operations every time a tomb is opened.
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<P>
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</DL>
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<A NAME="lbAH"> </A>
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<H2>PRIVILEGE ESCALATION</H2>
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<P>
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The tomb commandline tool needs to acquire super user rights to
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execute most of its operations: to do so it uses <A HREF="/cgi-bin/man/man2html?8+sudo">sudo</A>(8), while
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<A HREF="/cgi-bin/man/man2html?1+pinentry">pinentry</A>(1) is adopted to collect passwords from the user.
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<P>
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Tomb executes as super user only those commands requiring it, while it
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executes desktop applications as processes owned by the user.
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<P>
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<P>
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<A NAME="lbAI"> </A>
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<H2>BUGS</H2>
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Please report bugs on the tracker at <A HREF="http://bugs.dyne.org">http://bugs.dyne.org</A>
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<P>
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Get in touch with developers via mail using this web page
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<A HREF="http://dyne.org/contact">http://dyne.org/contact</A> or via chat on <A HREF="http://irc.dyne.org">http://irc.dyne.org</A>
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<P>
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<A NAME="lbAJ"> </A>
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<H2>AUTHORS</H2>
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<P>
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Tomb is designed and written by Denis Roio aka Jaromil.
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<P>
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Tomb's artwork is contributed by Jordi aka Mon Mort
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<P>
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Testing and fixes are contributed by Dreamer and Hellekin O. Wolf
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<P>
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Cryptsetup is developed by Christophe Saout and Clemens Fruhwirth
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<P>
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<A NAME="lbAK"> </A>
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<H2>COPYING</H2>
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<P>
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This manual is Copyleft (c) 2011 Denis Roio <<I><A HREF="mailto:jaromil@dyne.org">jaromil@dyne.org</A></I>>
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<P>
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Permission is granted to copy, distribute and/or modify this manual
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under the terms of the GNU Free Documentation License, Version 1.1 or
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any later version published by the Free Software Foundation.
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Permission is granted to make and distribute verbatim copies of this
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manual page provided the above copyright notice and this permission
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notice are preserved on all copies.
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<P>
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<A NAME="lbAL"> </A>
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<H2>AVAILABILITY</H2>
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<P>
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The most recent version of Tomb sourcecode and up to date
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documentation is available for download from its website on
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<I><A HREF="http://tomb.dyne.org">http://tomb.dyne.org</A></I>.
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<P>
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<A NAME="lbAM"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<B><DL COMPACT>
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<DT><A HREF="/cgi-bin/man/man2html?8+cryptsetup">cryptsetup</A>(8)<DD>
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</B>
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<P>
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GnuPG website on <A HREF="http://www.gnupg.org">http://www.gnupg.org</A>
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<P>
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DM-Crypt website on <A HREF="http://www.saout.de/misc/dm-crypt">http://www.saout.de/misc/dm-crypt</A>
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<P>
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LUKS website, <A HREF="http://code.google.com/p/cryptsetup">http://code.google.com/p/cryptsetup</A>
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<P>
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</DL>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">COMMANDS</A><DD>
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<DT><A HREF="#lbAF">OPTIONS</A><DD>
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<DT><A HREF="#lbAG">HOOKS</A><DD>
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<DT><A HREF="#lbAH">PRIVILEGE ESCALATION</A><DD>
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<DT><A HREF="#lbAI">BUGS</A><DD>
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<DT><A HREF="#lbAJ">AUTHORS</A><DD>
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<DT><A HREF="#lbAK">COPYING</A><DD>
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<DT><A HREF="#lbAL">AVAILABILITY</A><DD>
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<DT><A HREF="#lbAM">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 18:57:34 GMT, March 09, 2011
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</BODY>
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</HTML>
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