[52d29f7] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[bbdb0d16] | 7 | <!ENTITY openssl-download-http
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[17f36b0] | 8 | "https://openssl.org/source/openssl-&openssl-version;.tar.gz">
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[bbdb0d16] | 9 | <!ENTITY openssl-download-ftp
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[17f36b0] | 10 | "ftp://openssl.org/source/openssl-&openssl-version;.tar.gz">
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[0e7a9e9] | 11 | <!ENTITY openssl-md5sum "ba5f1b8b835b88cadbce9b35ed9531a6">
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| 12 | <!ENTITY openssl-size "5.2 MB">
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| 13 | <!ENTITY openssl-buildsize "73 MB (with tests)">
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[a4f37269] | 14 | <!ENTITY openssl-time "1.5 SBU (with tests)">
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[52d29f7] | 15 | ]>
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| 16 |
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[cef3a2f] | 17 | <sect1 id="openssl" xreflabel="OpenSSL-&openssl-version;">
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[5a5bbbf] | 18 | <?dbhtml filename="openssl.html"?>
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| 19 |
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| 20 |
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| 21 | <title>OpenSSL-&openssl-version;</title>
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| 22 |
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| 23 | <indexterm zone="openssl">
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| 24 | <primary sortas="a-OpenSSL">OpenSSL</primary>
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| 25 | </indexterm>
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| 26 |
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| 27 | <sect2 role="package">
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| 28 | <title>Introduction to OpenSSL</title>
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| 29 |
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[bbdb0d16] | 30 | <para>
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| 31 | The <application>OpenSSL</application> package contains management tools
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| 32 | and libraries relating to cryptography. These are useful for providing
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[45db70f] | 33 | cryptographic functions to other packages, such as
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[bbdb0d16] | 34 | <application>OpenSSH</application>, email applications and web browsers
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| 35 | (for accessing HTTPS sites).
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| 36 | </para>
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[5a5bbbf] | 37 |
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[ce63bfd2] | 38 | &lfs81_checked;
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[aafcfb8] | 39 |
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[5a5bbbf] | 40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 41 | <itemizedlist spacing="compact">
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| 42 | <listitem>
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[bbdb0d16] | 43 | <para>
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| 44 | Download (HTTP): <ulink url="&openssl-download-http;"/>
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| 45 | </para>
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[5a5bbbf] | 46 | </listitem>
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| 47 | <listitem>
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[bbdb0d16] | 48 | <para>
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| 49 | Download (FTP): <ulink url="&openssl-download-ftp;"/>
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| 50 | </para>
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[5a5bbbf] | 51 | </listitem>
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| 52 | <listitem>
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[bbdb0d16] | 53 | <para>
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| 54 | Download MD5 sum: &openssl-md5sum;
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| 55 | </para>
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[5a5bbbf] | 56 | </listitem>
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| 57 | <listitem>
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[bbdb0d16] | 58 | <para>
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| 59 | Download size: &openssl-size;
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| 60 | </para>
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[5a5bbbf] | 61 | </listitem>
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| 62 | <listitem>
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[bbdb0d16] | 63 | <para>
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| 64 | Estimated disk space required: &openssl-buildsize;
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| 65 | </para>
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[5a5bbbf] | 66 | </listitem>
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| 67 | <listitem>
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[bbdb0d16] | 68 | <para>
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| 69 | Estimated build time: &openssl-time;
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| 70 | </para>
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[5a5bbbf] | 71 | </listitem>
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| 72 | </itemizedlist>
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| 73 |
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[bbdb0d16] | 74 | <para condition="html" role="usernotes">
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| 75 | User Notes: <ulink url='&blfs-wiki;/OpenSSL'/>
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| 76 | </para>
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[5a5bbbf] | 77 | </sect2>
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| 78 |
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| 79 | <sect2 role="installation">
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| 80 | <title>Installation of OpenSSL</title>
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| 81 |
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[bbdb0d16] | 82 | <para>
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[d5d39eb] | 83 | Install <application>OpenSSL</application> with the following commands:
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[bbdb0d16] | 84 | </para>
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[5a5bbbf] | 85 |
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[f82ac3f] | 86 |
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[03da570f] | 87 | <screen><userinput>./config --prefix=/usr \
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[c96921c] | 88 | --openssldir=/etc/ssl \
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[202d18d] | 89 | --libdir=lib \
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[c96921c] | 90 | shared \
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| 91 | zlib-dynamic &&
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[a4f37269] | 92 | make</userinput></screen>
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[a181baeb] | 93 |
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[bbdb0d16] | 94 | <para>
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[2f1d148] | 95 | To test the results, issue: <command>make test</command>.
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[bbdb0d16] | 96 | </para>
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| 97 |
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| 98 | <para>
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| 99 | If you want to disable installing the static libraries, use this sed:
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| 100 | </para>
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[5a5bbbf] | 101 |
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[a4f37269] | 102 | <screen><userinput>sed -i 's# libcrypto.a##;s# libssl.a##;/INSTALL_LIBS/s#libcrypto.a##' Makefile</userinput></screen>
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[bbdb0d16] | 103 |
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| 104 | <para>
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| 105 | Now, as the <systemitem class="username">root</systemitem> user:
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| 106 | </para>
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[5a5bbbf] | 107 |
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[1faedf0] | 108 | <!-- dev note: make INSTALL_PREFIX=<DESTDIR> MANDIR=/usr/share/man MANSUFFIX=ssl install -->
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| 109 |
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[a4f37269] | 110 | <screen role="root"><userinput>make MANSUFFIX=ssl install &&
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| 111 | mv -v /usr/share/doc/openssl{,-&openssl-version;} &&
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| 112 | cp -vfr doc/* /usr/share/doc/openssl-&openssl-version;</userinput></screen>
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[4c39aff] | 113 |
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[5a5bbbf] | 114 | </sect2>
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| 115 |
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| 116 | <sect2 role="commands">
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| 117 | <title>Command Explanations</title>
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| 118 |
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[bbdb0d16] | 119 | <para>
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| 120 | <parameter>shared</parameter>: This parameter forces the creation of
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| 121 | shared libraries along with the static libraries.
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| 122 | </para>
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| 123 |
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| 124 | <para>
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| 125 | <parameter>zlib-dynamic</parameter>: This parameter adds
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| 126 | compression/decompression functionality using the
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| 127 | <filename class="libraryfile">libz</filename> library.
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| 128 | </para>
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| 129 |
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| 130 | <para>
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| 131 | <option>no-rc5 no-idea</option>: When added to the
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| 132 | <command>./config</command> command, this will eliminate the building
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| 133 | of those encryption methods. Patent licenses may be needed for you to
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| 134 | utilize either of those methods in your projects.
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| 135 | </para>
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| 136 |
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| 137 | <para>
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[a4f37269] | 138 | <command>make MANSUFFIX=ssl install</command>:
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| 139 | This command appends an "ssl" suffix to the manual page names to avoid
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| 140 | conflicts with manual pages installed by other packages.
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[bbdb0d16] | 141 | </para>
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[4c39aff] | 142 |
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[5a5bbbf] | 143 | </sect2>
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| 144 |
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| 145 | <sect2 role="configuration">
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| 146 | <title>Configuring OpenSSL</title>
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| 147 |
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| 148 | <sect3 id="openssl-config">
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| 149 | <title>Config Files</title>
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| 150 |
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[bbdb0d16] | 151 | <para>
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[d5d39eb] | 152 | <filename>/etc/ssl/openssl.cnf</filename>
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[bbdb0d16] | 153 | </para>
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[5a5bbbf] | 154 |
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| 155 | <indexterm zone="openssl openssl-config">
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| 156 | <primary sortas="e-etc-ssl-openssl.cnf">/etc/ssl/openssl.cnf</primary>
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| 157 | </indexterm>
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[4c39aff] | 158 |
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[5a5bbbf] | 159 | </sect3>
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[d5d39eb] | 160 |
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[5a5bbbf] | 161 | <sect3>
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| 162 | <title>Configuration Information</title>
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| 163 |
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[bbdb0d16] | 164 | <para>
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| 165 | Most users will want to install Certificate Authority Certificates
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[5f91dfd] | 166 | for validation of downloaded certificates. For example, these
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[d5d39eb] | 167 | certificates can be used by <xref linkend='git'/>,
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| 168 | <xref linkend='curl'/> or <xref linkend='wget'/> when accessing secure
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| 169 | (https protocol) sites. To do this, follow the instructions from the
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| 170 | <xref linkend='cacerts'/> page.
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[0d7900a] | 171 | </para>
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[bbdb0d16] | 172 |
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| 173 | <para>
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| 174 | Users who just want to use <application>OpenSSL</application> for
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| 175 | providing functions to other programs such as
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| 176 | <application>OpenSSH</application> and web browsers do not need to worry
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[f586237] | 177 | about additional configuration. This is an advanced topic and those
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[bbdb0d16] | 178 | who do need it would normally be expected to either know how to properly
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| 179 | update <filename>/etc/ssl/openssl.cnf</filename> or be able to find out
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| 180 | how to do it.
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| 181 | </para>
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[4c39aff] | 182 |
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[5a5bbbf] | 183 | </sect3>
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[4c39aff] | 184 |
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[5a5bbbf] | 185 | </sect2>
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| 186 |
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| 187 | <sect2 role="content">
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| 188 | <title>Contents</title>
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| 189 |
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| 190 | <segmentedlist>
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| 191 | <segtitle>Installed Programs</segtitle>
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| 192 | <segtitle>Installed Libraries</segtitle>
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| 193 | <segtitle>Installed Directories</segtitle>
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| 194 |
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| 195 | <seglistitem>
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[bbdb0d16] | 196 | <seg>
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[4c39aff] | 197 | c_rehash and openssl
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[d5d39eb] | 198 | </seg>
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| 199 | <seg>
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[4de0151] | 200 | libcrypto.{so,a} and libssl.{so,a}
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[4c39aff] | 201 | </seg>
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| 202 | <seg>
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| 203 | /etc/ssl,
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| 204 | /usr/include/openssl,
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| 205 | /usr/lib/engines and
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| 206 | /usr/share/doc/openssl-&openssl-version;
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[bbdb0d16] | 207 | </seg>
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[5a5bbbf] | 208 | </seglistitem>
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| 209 | </segmentedlist>
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| 210 |
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| 211 | <variablelist>
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| 212 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 213 | <?dbfo list-presentation="list"?>
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| 214 | <?dbhtml list-presentation="table"?>
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| 215 |
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| 216 | <varlistentry id="c_rehash">
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| 217 | <term><command>c_rehash</command></term>
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| 218 | <listitem>
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[bbdb0d16] | 219 | <para>
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| 220 | is a <application>Perl</application> script that scans all files in
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| 221 | a directory and adds symbolic links to their hash values.
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| 222 | </para>
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[5a5bbbf] | 223 | <indexterm zone="openssl c_rehash">
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| 224 | <primary sortas="b-c_rehash">c_rehash</primary>
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| 225 | </indexterm>
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| 226 | </listitem>
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| 227 | </varlistentry>
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| 228 |
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| 229 | <varlistentry id="openssl-prog">
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| 230 | <term><command>openssl</command></term>
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| 231 | <listitem>
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[bbdb0d16] | 232 | <para>
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| 233 | is a command-line tool for using the various cryptography functions
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| 234 | of <application>OpenSSL</application>'s crypto library from the
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| 235 | shell. It can be used for various functions which are documented in
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| 236 | <command>man 1 openssl</command>.
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| 237 | </para>
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[5a5bbbf] | 238 | <indexterm zone="openssl openssl-prog">
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| 239 | <primary sortas="b-openssl">openssl</primary>
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| 240 | </indexterm>
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| 241 | </listitem>
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| 242 | </varlistentry>
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| 243 |
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| 244 | <varlistentry id="libcrypto">
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[4c39aff] | 245 | <term><filename class="libraryfile">libcrypto.{so,a}</filename></term>
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[5a5bbbf] | 246 | <listitem>
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[bbdb0d16] | 247 | <para>
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| 248 | implements a wide range of cryptographic algorithms used in various
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| 249 | Internet standards. The services provided by this library are used
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| 250 | by the <application>OpenSSL</application> implementations of SSL,
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| 251 | TLS and S/MIME, and they have also been used to implement
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| 252 | <application>OpenSSH</application>,
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| 253 | <application>OpenPGP</application>, and other cryptographic
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| 254 | standards.
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| 255 | </para>
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[5a5bbbf] | 256 | <indexterm zone="openssl libcrypto">
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[3597eb6] | 257 | <primary sortas="c-libcrypto">libcrypto.{so,a}</primary>
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[5a5bbbf] | 258 | </indexterm>
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| 259 | </listitem>
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| 260 | </varlistentry>
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| 261 |
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| 262 | <varlistentry id="libssl">
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[4c39aff] | 263 | <term><filename class="libraryfile">libssl.{so,a}</filename></term>
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[5a5bbbf] | 264 | <listitem>
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[bbdb0d16] | 265 | <para>
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[d78194f3] | 266 | implements the Transport Layer Security (TLS v1) protocol.
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| 267 | It provides a rich API, documentation
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[bbdb0d16] | 268 | on which can be found by running <command>man 3 ssl</command>.
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| 269 | </para>
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[5a5bbbf] | 270 | <indexterm zone="openssl libssl">
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[3597eb6] | 271 | <primary sortas="c-libssl">libssl.{so,a}</primary>
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[5a5bbbf] | 272 | </indexterm>
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| 273 | </listitem>
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| 274 | </varlistentry>
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[4c39aff] | 275 |
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[5a5bbbf] | 276 | </variablelist>
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[4c39aff] | 277 |
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[5a5bbbf] | 278 | </sect2>
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[4c39aff] | 279 |
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[f45b1953] | 280 | </sect1>
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