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1<?xml version="1.0"?>
2<!--*-nxml-*-->
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3<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
4 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
0307f791 5<!-- SPDX-License-Identifier: LGPL-2.1+ -->
56ba3c78 6<refentry id="systemd-cryptsetup@.service" conditional='HAVE_LIBCRYPTSETUP'>
d0d6944c 7
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8 <refentryinfo>
9 <title>systemd-cryptsetup@.service</title>
10 <productname>systemd</productname>
798d3a52 11 </refentryinfo>
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13 <refmeta>
14 <refentrytitle>systemd-cryptsetup@.service</refentrytitle>
15 <manvolnum>8</manvolnum>
16 </refmeta>
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18 <refnamediv>
19 <refname>systemd-cryptsetup@.service</refname>
20 <refname>systemd-cryptsetup</refname>
21 <refpurpose>Full disk decryption logic</refpurpose>
22 </refnamediv>
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24 <refsynopsisdiv>
25 <para><filename>systemd-cryptsetup@.service</filename></para>
12b42c76 26 <para><filename>/usr/lib/systemd/systemd-cryptsetup</filename></para>
798d3a52 27 </refsynopsisdiv>
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29 <refsect1>
30 <title>Description</title>
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32 <para><filename>systemd-cryptsetup@.service</filename> is a
33 service responsible for setting up encrypted block devices. It is
34 instantiated for each device that requires decryption for
35 access.</para>
d0d6944c 36
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37 <para><filename>systemd-cryptsetup@.service</filename> will ask
38 for hard disk passwords via the <ulink
28a0ad81 39 url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
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40 password agent logic</ulink>, in order to query the user for the
41 password using the right mechanism at boot and during
42 runtime.</para>
8e129f51 43
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44 <para>At early boot and when the system manager configuration is reloaded, <filename>/etc/crypttab</filename> is
45 translated into <filename>systemd-cryptsetup@.service</filename> units by
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46 <citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
47 </refsect1>
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49 <refsect1>
50 <title>See Also</title>
51 <para>
52 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
53 <citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
54 <citerefentry><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
3ba3a79d 55 <citerefentry project='die-net'><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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56 </para>
57 </refsect1>
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58
59</refentry>