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<refentry id= "systemd-cryptsetup@.service" conditional= 'HAVE_LIBCRYPTSETUP' >
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<refentryinfo >
<title > systemd-cryptsetup@.service</title>
<productname > systemd</productname>
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<authorgroup >
<author >
<contrib > Developer</contrib>
<firstname > Lennart</firstname>
<surname > Poettering</surname>
<email > lennart@poettering.net</email>
</author>
</authorgroup>
</refentryinfo>
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<refmeta >
<refentrytitle > systemd-cryptsetup@.service</refentrytitle>
<manvolnum > 8</manvolnum>
</refmeta>
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<refnamediv >
<refname > systemd-cryptsetup@.service</refname>
<refname > systemd-cryptsetup</refname>
<refpurpose > Full disk decryption logic</refpurpose>
</refnamediv>
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<refsynopsisdiv >
<para > <filename > systemd-cryptsetup@.service</filename> </para>
<para > <filename > /usr/lib/systemd/systemd-cryptsetup</filename> </para>
</refsynopsisdiv>
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<refsect1 >
<title > Description</title>
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<para > <filename > systemd-cryptsetup@.service</filename> is a
service responsible for setting up encrypted block devices. It is
instantiated for each device that requires decryption for
access.</para>
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<para > <filename > systemd-cryptsetup@.service</filename> will ask
for hard disk passwords via the <ulink
url="http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
password agent logic</ulink> , in order to query the user for the
password using the right mechanism at boot and during
runtime.</para>
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<para > At early boot and when the system manager configuration is
reloaded this <filename > /etc/crypttab</filename> is translated
into <filename > systemd-cryptsetup@.service</filename> units by
<citerefentry > <refentrytitle > systemd-cryptsetup-generator</refentrytitle> <manvolnum > 8</manvolnum> </citerefentry> .</para>
</refsect1>
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<refsect1 >
<title > See Also</title>
<para >
<citerefentry > <refentrytitle > systemd</refentrytitle> <manvolnum > 1</manvolnum> </citerefentry> ,
<citerefentry > <refentrytitle > systemd-cryptsetup-generator</refentrytitle> <manvolnum > 8</manvolnum> </citerefentry> ,
<citerefentry > <refentrytitle > crypttab</refentrytitle> <manvolnum > 5</manvolnum> </citerefentry> ,
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<citerefentry project= 'die-net' > <refentrytitle > cryptsetup</refentrytitle> <manvolnum > 8</manvolnum> </citerefentry>
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</para>
</refsect1>
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</refentry>