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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY VERSION "1.0">
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<!ENTITY COMMANDNAME "plugin-runner">
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<!ENTITY TIMESTAMP "2008-09-01">
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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<title>Mandos Manual</title>
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<!-- Nwalsh’s docbook scripts use this to generate the footer: -->
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<productname>Mandos</productname>
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<productnumber>&VERSION;</productnumber>
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<date>&TIMESTAMP;</date>
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<firstname>Björn</firstname>
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<surname>Påhlsson</surname>
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<email>belorn@fukt.bsnet.se</email>
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<firstname>Teddy</firstname>
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<surname>Hogeborn</surname>
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<email>teddy@fukt.bsnet.se</email>
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<holder>Teddy Hogeborn</holder>
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<holder>Björn Påhlsson</holder>
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<xi:include href="legalnotice.xml"/>
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<refentrytitle>&COMMANDNAME;</refentrytitle>
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<manvolnum>8mandos</manvolnum>
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<refname><command>&COMMANDNAME;</command></refname>
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Run Mandos plugins. Pass data from first succesful one.
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<command>&COMMANDNAME;</command>
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<arg choice="plain"><option>--global-envs=<replaceable
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>VAR</replaceable><literal>=</literal><replaceable
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>value</replaceable></option></arg>
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<arg choice="plain"><option>-e
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<replaceable>VAR</replaceable><literal>=</literal><replaceable
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>value</replaceable> </option></arg>
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<arg choice="plain"><option>--envs-for=<replaceable
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>PLUGIN</replaceable><literal>:</literal><replaceable
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>ENV</replaceable><literal>=</literal><replaceable
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>value</replaceable></option></arg>
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<arg choice="plain"><option>-f<replaceable>
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PLUGIN</replaceable><literal>:</literal><replaceable
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>ENV</replaceable><literal>=</literal><replaceable
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>value</replaceable> </option></arg>
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<arg choice="plain"><option>--global-options=<replaceable
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>OPTIONS</replaceable></option></arg>
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<arg choice="plain"><option>-g<replaceable>
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OPTIONS</replaceable> </option></arg>
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<arg choice="plain"><option>--options-for=<replaceable
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>PLUGIN</replaceable><literal>:</literal><replaceable
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>OPTIONS</replaceable></option></arg>
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<arg choice="plain"><option>-f<replaceable>
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PLUGIN</replaceable><literal>:</literal><replaceable
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>OPTIONS</replaceable> </option></arg>
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<arg choice="plain"><option>--disable=<replaceable
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>PLUGIN</replaceable></option></arg>
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<arg choice="plain"><option>-d
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<replaceable>PLUGIN</replaceable> </option></arg>
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<arg><option>--groupid=<replaceable
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>ID</replaceable></option></arg>
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<arg><option>--userid=<replaceable
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>ID</replaceable></option></arg>
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<arg><option>--plugin-dir=<replaceable
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>DIRECTORY</replaceable></option></arg>
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<arg><option>--debug</option></arg>
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<command>&COMMANDNAME;</command>
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<arg choice="plain"><option>--help</option></arg>
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<arg choice="plain"><option>-?</option></arg>
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<command>&COMMANDNAME;</command>
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<arg choice="plain"><option>--usage</option></arg>
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<command>&COMMANDNAME;</command>
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<arg choice="plain"><option>--version</option></arg>
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<arg choice="plain"><option>-V</option></arg>
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<refsect1 id="description">
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<title>DESCRIPTION</title>
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<command>&COMMANDNAME;</command> is a program which is meant to
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be specified as <quote>keyscript</quote> in <citerefentry>
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<refentrytitle>crypttab</refentrytitle>
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<manvolnum>5</manvolnum></citerefentry> for the root disk. The
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aim of this program is therefore to output a password, which
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then <citerefentry><refentrytitle>cryptsetup</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry> will use to try and
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unlock the root disk.
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This program is not meant to be invoked directly, but can be in
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order to test it. Note that any password obtained will simply
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be output on standard output.
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<refsect1 id="purpose">
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<title>PURPOSE</title>
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The purpose of this is to enable <emphasis>remote and unattended
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rebooting</emphasis> of client host computer with an
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<emphasis>encrypted root file system</emphasis>. See <xref
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linkend="overview"/> for details.
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<title>OPTIONS</title>
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<term><option>--global-options
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<replaceable>OPTIONS</replaceable></option></term>
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<replaceable>OPTIONS</replaceable></option></term>
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Pass some options to <emphasis>all</emphasis> plugins.
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<replaceable>OPTIONS</replaceable> is a comma separated
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list of options. This is not a very useful option, except
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for specifying the <quote><option>--debug</option></quote>
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<term><option>--options-for
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<replaceable>PLUGIN</replaceable><literal>:</literal
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><replaceable>OPTION</replaceable></option></term>
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<replaceable>PLUGIN</replaceable><literal>:</literal
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><replaceable>OPTION</replaceable></option></term>
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Pass some options to a specific plugin. <replaceable
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>PLUGIN</replaceable> is the name (file basename) of a
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plugin, and <replaceable>OPTIONS</replaceable> is a comma
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separated list of options.
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Note that since options are not split on whitespace, the
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way to pass, to the plugin
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<quote><filename>foo</filename></quote>, the option
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<option>--bar</option> with the option argument
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<quote>baz</quote> is either
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<userinput>--options-for=foo:--bar=baz</userinput> or
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<userinput>--options-for=foo:--bar,baz</userinput>, but
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<emphasis>not</emphasis>
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<userinput>--options-for="foo:--bar baz"</userinput>.
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<term><option> --disable
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<replaceable>PLUGIN</replaceable></option></term>
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<replaceable>PLUGIN</replaceable></option></term>
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Disable the plugin named
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<replaceable>PLUGIN</replaceable>. The plugin will not be
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<term><option>--groupid
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<replaceable>ID</replaceable></option></term>
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Change to group ID <replaceable>ID</replaceable> on
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startup. The default is 65534. All plugins will be
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started using this group ID. <emphasis>Note:</emphasis>
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This must be a number, not a name.
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<term><option>--userid
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<replaceable>ID</replaceable></option></term>
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Change to user ID <replaceable>ID</replaceable> on
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startup. The default is 65534. All plugins will be
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started using this user ID. <emphasis>Note:</emphasis>
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This must be a number, not a name.
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<term><option>--plugin-dir
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<replaceable>DIRECTORY</replaceable></option></term>
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Specify a different plugin directory. The default is
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<filename>/lib/mandos/plugins.d</filename>, which will
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exist in the initial <acronym>RAM</acronym> disk
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<term><option>--debug</option></term>
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Enable debug mode. This will enable a lot of output to
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standard error about what the program is doing. The
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program will still perform all other functions normally.
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The default is to <emphasis>not</emphasis> run in debug
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The plugins will <emphasis>not</emphasis> be affected by
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<userinput><option>--global-options=--debug</option></userinput>
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if complete debugging eruption is desired.
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<term><option>--help</option></term>
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<term><option>-?</option></term>
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Gives a help message about options and their meanings.
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<term><option>--usage</option></term>
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Gives a short usage message.
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<term><option>--version</option></term>
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<term><option>-V</option></term>
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Prints the program version.
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<refsect1 id="overview">
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<title>OVERVIEW</title>
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<xi:include href="overview.xml"/>
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This program will run on the client side in the initial
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<acronym>RAM</acronym> disk environment, and is responsible for
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getting a password. It does this by running plugins, one of
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which will normally be the actual client program communicating
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<refsect1 id="plugins">
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<title>PLUGINS</title>
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This program will get a password by running a number of
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<firstterm>plugins</firstterm>, which are simply executable
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programs in a directory in the initial <acronym>RAM</acronym>
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disk environment. The default directory is
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<filename>/lib/mandos/plugins.d</filename>, but this can be
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changed with the <option>--plugin-dir</option> option. The
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plugins are started in parallel, and the first plugin to output
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a password and exit with a successful exit code will make this
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plugin-runner output that password, stop any other plugins, and
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<title>FALLBACK</title>
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<refsect1 id="exit_status">
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<title>EXIT STATUS</title>
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<refsect1 id="notes">
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<refsect1 id="examples">
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<title>EXAMPLE</title>
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<refsect1 id="security">
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<title>SECURITY</title>
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<refsect1 id="see_also">
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<title>SEE ALSO</title>
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<citerefentry><refentrytitle>cryptsetup</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>mandos</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>password-prompt</refentrytitle>
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<manvolnum>8mandos</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>password-request</refentrytitle>
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<manvolnum>8mandos</manvolnum></citerefentry>
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