man/systemd-cryptsetup@.service.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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   5   This file is part of systemd.
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   7   Copyright 2012 Lennart Poettering
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  22 <refentry id="systemd-cryptsetup@.service" conditional='HAVE_LIBCRYPTSETUP'>
  23
  24   <refentryinfo>
  25     <title>systemd-cryptsetup@.service</title>
  26     <productname>systemd</productname>
  27
  28     <authorgroup>
  29       <author>
  30         <contrib>Developer</contrib>
  31         <firstname>Lennart</firstname>
  32         <surname>Poettering</surname>
  33         <email>lennart@poettering.net</email>
  34       </author>
  35     </authorgroup>
  36   </refentryinfo>
  37
  38   <refmeta>
  39     <refentrytitle>systemd-cryptsetup@.service</refentrytitle>
  40     <manvolnum>8</manvolnum>
  41   </refmeta>
  42
  43   <refnamediv>
  44     <refname>systemd-cryptsetup@.service</refname>
  45     <refname>systemd-cryptsetup</refname>
  46     <refpurpose>Full disk decryption logic</refpurpose>
  47   </refnamediv>
  48
  49   <refsynopsisdiv>
  50     <para><filename>systemd-cryptsetup@.service</filename></para>
  51     <para><filename>/usr/lib/systemd/systemd-cryptsetup</filename></para>
  52   </refsynopsisdiv>
  53
  54   <refsect1>
  55     <title>Description</title>
  56
  57     <para><filename>systemd-cryptsetup@.service</filename> is a
  58     service responsible for setting up encrypted block devices. It is
  59     instantiated for each device that requires decryption for
  60     access.</para>
  61
  62     <para><filename>systemd-cryptsetup@.service</filename> will ask
  63     for hard disk passwords via the <ulink
  64     url="http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
  65     password agent logic</ulink>, in order to query the user for the
  66     password using the right mechanism at boot and during
  67     runtime.</para>
  68
  69     <para>At early boot and when the system manager configuration is
  70     reloaded this <filename>/etc/crypttab</filename> is translated
  71     into <filename>systemd-cryptsetup@.service</filename> units by
  72     <citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
  73   </refsect1>
  74
  75   <refsect1>
  76     <title>See Also</title>
  77     <para>
  78       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  79       <citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
  80       <citerefentry><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
  81       <citerefentry project='die-net'><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  82      </para>
  83   </refsect1>
  84
  85 </refentry>