mirror of
https://github.com/Zeckmathederg/glfs.git
synced 2025-01-27 09:42:12 +08:00
296 lines
8.8 KiB
XML
296 lines
8.8 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE sect1 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 % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY cryptsetup-download-http "&kernel-dl;/linux/utils/cryptsetup/v&cryptsetup-minor;/cryptsetup-&cryptsetup-version;.tar.xz">
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<!ENTITY cryptsetup-download-ftp " ">
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<!ENTITY cryptsetup-md5sum "7210d45a19703bca547e8ba190278cb0">
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<!ENTITY cryptsetup-size "11 MB">
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<!ENTITY cryptsetup-buildsize "33 MB (add 5 MB for tests)">
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<!ENTITY cryptsetup-time "0.2 SBU (add 8.9 SBU for tests)">
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]>
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<sect1 id="cryptsetup" xreflabel="cryptsetup-&cryptsetup-version;">
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<?dbhtml filename="cryptsetup.html"?>
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<title>cryptsetup-&cryptsetup-version;</title>
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<indexterm zone="cryptsetup">
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<primary sortas="a-cryptsetup">cryptsetup</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to cryptsetup</title>
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<para>
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cryptsetup is used to set up transparent encryption of block devices
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using the kernel crypto API.
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</para>
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&lfs121_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&cryptsetup-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&cryptsetup-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &cryptsetup-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &cryptsetup-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &cryptsetup-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &cryptsetup-time;
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</para>
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</listitem>
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</itemizedlist>
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<!-- No longer needed with 2.3.2.
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/cryptsetup-&cryptsetup-version;-upstream_fixes-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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-->
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<bridgehead renderas="sect3">cryptsetup Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<xref linkend="json-c"/>,
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<xref linkend="lvm2"/>, and
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<xref linkend="popt"/>
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="asciidoctor"/>,
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<xref linkend="libpwquality"/>,
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<ulink url="https://github.com/P-H-C/phc-winner-argon2">argon2</ulink>,
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<ulink url="https://www.libssh.org/">libssh</ulink>, and
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<ulink url="https://www.openwall.com/passwdqc/">passwdqc</ulink>
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</para>
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</sect2>
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<sect2 role="kernel" id="cryptsetup-kernel">
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<title>Kernel Configuration</title>
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<para>
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Encrypted block devices require kernel support. To use it, the
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appropriate kernel configuration parameters need to be set:
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</para>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="cryptsetup-kernel.xml"/>
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<indexterm zone="cryptsetup cryptsetup-kernel">
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<primary sortas="d-cryptsetup">cryptsetup</primary>
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</indexterm>
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</sect2>
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<sect2 role="installation">
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<title>Installation of cryptsetup</title>
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<para>
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Install <application>cryptsetup</application> by running the following
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commands:
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</para>
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<screen><userinput>./configure --prefix=/usr \
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--disable-ssh-token \
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--disable-asciidoc &&
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make</userinput></screen>
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<para>
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To test the result, issue as the <systemitem
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class="username">root</systemitem> user: <command>make check</command>.
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Some tests will fail if appropriate kernel configuration options are not
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set. Some additional options that may be needed for tests are:
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<screen><literal>CONFIG_SCSI_LOWLEVEL,
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CONFIG_SCSI_DEBUG,
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CONFIG_BLK_DEV_DM_BUILTIN,
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CONFIG_CRYPTO_USER,
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CONFIG_CRYPTO_CRYPTD,
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CONFIG_CRYPTO_LRW,
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CONFIG_CRYPTO_XTS,
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CONFIG_CRYPTO_ESSIV,
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CONFIG_CRYPTO_CRCT10DIF,
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CONFIG_CRYPTO_AES_TI,
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CONFIG_CRYPTO_AES_NI_INTEL,
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CONFIG_CRYPTO_BLOWFISH,
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CONFIG_CRYPTO_CAST5,
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CONFIG_CRYPTO_SERPENT,
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CONFIG_CRYPTO_SERPENT_SSE2_X86_64,
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CONFIG_CRYPTO_SERPENT_AVX_X86_64,
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CONFIG_CRYPTO_SERPENT_AVX2_X86_64, and
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CONFIG_CRYPTO_TWOFISH_X86_64</literal></screen>
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<!--I had 1 of 21 tests fail with the above crypto options in the
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kernel. Eight tests were not run. Version 2.4.3.
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Failed test was tcrypt-compat-test
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tcrypt-images/tc_1-ripemd160-cbc-aes [FAILED]
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bdubbs
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Version 2.6.1 12/03/2023 -bdubbs
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2 of 26 tests failed (6 tests were not run)
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FAIL: keyring-compat-test
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FAIL: tcrypt-compat-test
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Version 2.7.0 01/25/2024 -bdubbs
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2 of 25 tests failed (8 tests were not run)
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FAIL: keyring-compat-test
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FAIL: tcrypt-compat-test
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-->
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>
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<parameter>--disable-ssh-token</parameter>: This switch is required if
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the optional libssh dependency is not installed.
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</para>
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<para>
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<parameter>--disable-asciidoc</parameter>: This switch disables
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regeneration of the man pages. Remove this switch if you have
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<xref linkend="asciidoctor" role="nodep"/> installed and wish to
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regenerate the man pages. Note that even if this switch is used,
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the pre-generated man pages are shipped in the tarball and they'll
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still be installed.
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</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring cryptsetup</title>
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<para>
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Because of the number of possible configurations, setup of encrypted
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volumes is beyond the scope of the BLFS book. Please see the
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configuration guide in the cryptsetup <ulink
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url="https://gitlab.com/cryptsetup/cryptsetup/wikis/FrequentlyAskedQuestions#2-setup">
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FAQ</ulink>.
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</para>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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cryptsetup,
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cryptsetup-reencrypt,
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integritysetup, and
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veritysetup
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</seg>
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<seg>
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libcryptsetup.so
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</seg>
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<seg>
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None
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="cryptsetup-prog">
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<term><command>cryptsetup</command></term>
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<listitem>
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<para>
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is used to setup dm-crypt managed device-mapper mappings
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</para>
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<indexterm zone="cryptsetup cryptsetup-prog">
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<primary sortas="b-cryptsetup">cryptsetup</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="cryptsetup-reencrypt">
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<term><command>cryptsetup-reencrypt</command></term>
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<listitem>
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<para>
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is a tool for offline LUKS device re-encryption
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</para>
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<indexterm zone="cryptsetup cryptsetup-reencrypt">
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<primary sortas="b-cryptsetup-reencrypt">cryptsetup-reencrypt</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="integritysetup">
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<term><command>integritysetup</command></term>
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<listitem>
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<para>
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is a tool to manage dm-integrity (block level integrity) volumes
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</para>
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<indexterm zone="cryptsetup integritysetup">
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<primary sortas="b-integritysetup">integritysetup</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="veritysetup">
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<term><command>veritysetup</command></term>
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<listitem>
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<para>
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is used to configure dm-verity managed device-mapper mappings.
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The Device-mapper verity target provides read-only transparent
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integrity checking of block devices using the kernel crypto API
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</para>
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<indexterm zone="cryptsetup veritysetup">
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<primary sortas="b-veritysetup">veritysetup</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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