1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY openssl-download-http "http://www.openssl.org/source/openssl-&openssl-version;.tar.gz">
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8 | <!ENTITY openssl-download-ftp "ftp://ftp.openssl.org/source/openssl-&openssl-version;.tar.gz">
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9 | <!ENTITY openssl-md5sum "104deb3b7e6820cae6de3f49ba0ff2b0">
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10 | <!ENTITY openssl-size "3.9 MB">
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11 | <!ENTITY ca-bundle-download "http://anduin.linuxfromscratch.org/files/BLFS/BLFS-ca-bundle-&ca-bundle-version;.tar.bz2">
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12 | <!ENTITY ca-bundle-size "196 KB">
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13 | <!ENTITY ca-bundle-md5sum "da705ed29e5abcb42d498bcc86d1e62e">
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14 | <!ENTITY openssl-buildsize "54 MB">
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15 | <!ENTITY openssl-time "1.2 SBU (additional 0.4 SBU to run the test suite)">
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16 | ]>
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17 |
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18 | <sect1 id="openssl" xreflabel="OpenSSL-&openssl-version;">
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19 | <?dbhtml filename="openssl.html"?>
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20 |
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21 | <sect1info>
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22 | <othername>$LastChangedBy$</othername>
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23 | <date>$Date$</date>
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24 | </sect1info>
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25 |
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26 | <title>OpenSSL-&openssl-version;</title>
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27 |
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28 | <indexterm zone="openssl">
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29 | <primary sortas="a-OpenSSL">OpenSSL</primary>
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30 | </indexterm>
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31 |
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32 | <sect2 role="package">
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33 | <title>Introduction to OpenSSL</title>
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34 |
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35 | <para>The <application>OpenSSL</application> package contains management
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36 | tools and libraries relating to cryptography. These are useful for
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37 | providing cryptography functions to other packages, notably
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38 | <application>OpenSSH</application>, email applications and web browsers
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39 | (for accessing HTTPS sites).</para>
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40 |
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41 | &lfs65_checked;
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42 |
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43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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44 | <itemizedlist spacing="compact">
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45 | <listitem>
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46 | <para>Download (HTTP): <ulink url="&openssl-download-http;"/></para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download (FTP): <ulink url="&openssl-download-ftp;"/></para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Download MD5 sum: &openssl-md5sum;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Download size: &openssl-size;</para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>CA Bundle Download: <ulink url="&ca-bundle-download;"/></para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>CA Bundle size: &ca-bundle-size;</para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>CA Bundle MD5 sum: &ca-bundle-md5sum;</para>
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65 | </listitem>
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66 | <listitem>
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67 | <para>Estimated disk space required: &openssl-buildsize;</para>
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68 | </listitem>
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69 | <listitem>
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70 | <para>Estimated build time: &openssl-time;</para>
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71 | </listitem>
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72 | </itemizedlist>
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73 |
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74 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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75 | <itemizedlist spacing='compact'>
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76 | <listitem>
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77 | <para>Required patches: <ulink
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78 | url="&patch-root;/openssl-&openssl-version;-fix_manpages-1.patch"/> and
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79 | <ulink url="&patch-root;/openssl-&openssl-version;-fix_testsuite-1.patch"/></para>
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80 | </listitem>
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81 | </itemizedlist>
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82 |
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83 | <bridgehead renderas="sect3">OpenSSL Dependencies</bridgehead>
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84 |
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85 | <bridgehead renderas="sect4">Optional</bridgehead>
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86 | <para role="optional"><xref linkend="mitkrb"/> or
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87 | <xref linkend="heimdal"/>, and <xref linkend="bc"/> (required for full
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88 | coverage by the test suite during the build)</para>
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89 |
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90 | <para condition="html" role="usernotes">User Notes:
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91 | <ulink url='&blfs-wiki;/OpenSSL'/></para>
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92 |
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93 | </sect2>
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94 |
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95 | <sect2 role="installation">
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96 | <title>Installation of OpenSSL</title>
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97 |
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98 | <para>Install <application>OpenSSL</application> by running
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99 | the following commands:</para>
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100 |
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101 | <screen><userinput>patch -Np1 -i ../openssl-&openssl-version;-fix_manpages-1.patch &&
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102 | patch -Np1 -i ../openssl-&openssl-version;-fix_testsuite-1.patch &&
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103 | tar -vxf ../BLFS-ca-bundle-&ca-bundle-version;.tar.bz2 &&
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104 |
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105 | ./config --prefix=/usr \
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106 | --openssldir=/etc/ssl \
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107 | shared \
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108 | zlib-dynamic &&
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109 | make</userinput></screen>
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110 |
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111 | <para>To test the results, issue: <command>make test</command>.</para>
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112 |
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113 | <!-- <para>To test the results, issue: <command>make test</command>. Note that the
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114 | test results/output depend on the availability of /etc/ssl/openssl.cnf. If
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115 | running the tests for the first time run the following as the
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116 | <systemitem class="username">root</systemitem> user before running the
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117 | tests:</para>
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118 |
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119 | <screen role="root"><userinput>install -v -m755 d /etc/ssl &&
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120 | install -v ./apps/openssl.cnf /etc/ssl/</userinput></screen> -->
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121 |
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122 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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123 |
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124 | <screen role="root"><userinput>make MANDIR=/usr/share/man install &&
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125 | cp -v -r certs /etc/ssl &&
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126 | install -v -d -m755 /usr/share/doc/openssl-&openssl-version; &&
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127 | cp -v -r doc/{HOWTO,README,*.{txt,html,gif}} \
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128 | /usr/share/doc/openssl-&openssl-version;</userinput></screen>
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129 |
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130 | <para>While still the <systemitem class="username">root</systemitem> user,
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131 | create a single file that contains all of the installed certificates:</para>
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132 |
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133 | <screen role="root"><userinput>for pem in /etc/ssl/certs/*.pem
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134 | do
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135 | cat $pem
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136 | echo ""
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137 | done > /etc/ssl/ca-bundle.crt</userinput></screen>
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138 |
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139 | </sect2>
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140 |
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141 | <sect2 role="commands">
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142 | <title>Command Explanations</title>
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143 |
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144 | <para>
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145 | <command>tar -vxf ../BLFS-ca-bundle-&ca-bundle-version;.tar.bz2</command>:
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146 | <application>OpenSSL</application> no longer includes any root certificates.
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147 | This package adds root certificates as provided by mozilla.org.</para>
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148 |
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149 | <para><parameter>shared</parameter>: This parameter forces the creation of
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150 | shared libraries along with the static libraries.</para>
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151 |
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152 | <para><parameter>zlib-dynamic</parameter>: This parameter adds
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153 | compression/decompression functionality using the
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154 | <filename class="libraryfile">libz</filename> library.</para>
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155 |
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156 | <para><option>no-rc5 no-idea</option>: When added to the
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157 | <command>./config</command> command, this will eliminate the building
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158 | of those encryption methods. Patent licenses may be needed for you to
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159 | utilize either of those methods in your projects.</para>
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160 |
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161 | <para><command>make MANDIR=/usr/share/man install</command>: This command
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162 | installs <application>OpenSSL</application> with the man pages in
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163 | <filename class='directory'>/usr/share/man</filename> instead of
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164 | <filename class='directory'>/etc/ssl/man</filename>.</para>
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165 |
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166 | <!-- <para><option>enable-tlsext</option>: When added to the
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167 | <command>./config</command> command, this switch will enable TLS
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168 | Extensions. Currently this is only RFC 3546 and 4507bis for Server Name
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169 | Indication. This allows the use of multiple SSL certificates with multiple
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170 | virtual hosts in Apache, while using only one IP address and one port for
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171 | all virtual hosts.</para> -->
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172 |
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173 | <!-- <para><option>zlib-dynamic</option>: When added to the
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174 | <command>./config</command> command, this switch will enable
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175 | use of <filename>libz.so</filename> for compression/decompression.</para> -->
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176 |
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177 | <para><command>cp -v -r certs /etc/ssl</command>: This installs both the
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178 | sample certificates and documentation included with
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179 | <application>OpenSSL</application>, and the certificates that were extracted
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180 | from the BLFS-ca-bundle-&ca-bundle-version; package.</para>
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181 |
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182 | <para><command>for pem in /etc/ssl/certs/*.pem...</command>: This group of
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183 | commands creates a single-file certificate bundle
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184 | (<filename>/etc/ssl/ca-bundle.crt</filename>) that is usable by many
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185 | other software packages. <filename>ca-bundle.crt</filename> should be
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186 | recreated every time a new or updated certificate is added to
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187 | <filename class="directory">/etc/ssl/certs</filename>.</para>
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188 |
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189 | </sect2>
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190 |
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191 | <sect2 role="configuration">
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192 | <title>Configuring OpenSSL</title>
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193 |
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194 | <sect3 id="openssl-config">
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195 | <title>Config Files</title>
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196 |
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197 | <para><filename>/etc/ssl/openssl.cnf</filename></para>
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198 |
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199 | <indexterm zone="openssl openssl-config">
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200 | <primary sortas="e-etc-ssl-openssl.cnf">/etc/ssl/openssl.cnf</primary>
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201 | </indexterm>
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202 |
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203 | </sect3>
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204 |
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205 | <sect3>
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206 | <title>Configuration Information</title>
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207 |
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208 | <para>Most people who just want to use <application>OpenSSL</application>
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209 | for providing functions to other programs such as
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210 | <application>OpenSSH</application> and web browsers won't need to worry
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211 | about configuring <application>OpenSSL</application>. Configuring
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212 | <application>OpenSSL</application> is an advanced topic and so those
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213 | who do would normally be expected to either know how to do it or to be
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214 | able to find out how to do it.</para>
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215 |
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216 | </sect3>
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217 |
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218 | </sect2>
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219 |
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220 | <sect2 role="content">
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221 | <title>Contents</title>
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222 |
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223 | <segmentedlist>
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224 | <segtitle>Installed Programs</segtitle>
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225 | <segtitle>Installed Libraries</segtitle>
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226 | <segtitle>Installed Directories</segtitle>
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227 |
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228 | <seglistitem>
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229 | <seg>c_rehash and openssl</seg>
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230 | <seg>libcrypto.{so,a}, libssl.{so,a}, and additional encryption
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231 | libraries in /usr/lib/engines/ (lib4758cca.so, libaep.so,
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232 | libatalla.so, libcapi.so, libchil.so, libcswift.so, libgmp.so,
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233 | libgost.so, libnuron.so, libpadlock.so, libsureware.so, and
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234 | libubsec.so)</seg>
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235 | <seg>/etc/ssl, /usr/include/openssl, /usr/lib/engines
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236 | and /usr/share/doc/openssl-&openssl-version;</seg>
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237 | </seglistitem>
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238 | </segmentedlist>
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239 |
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240 | <variablelist>
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241 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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242 | <?dbfo list-presentation="list"?>
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243 | <?dbhtml list-presentation="table"?>
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244 |
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245 | <varlistentry id="c_rehash">
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246 | <term><command>c_rehash</command></term>
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247 | <listitem>
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248 | <para>is a <application>Perl</application> script that scans
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249 | all files in a directory and adds symbolic links to their hash
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250 | values.</para>
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251 | <indexterm zone="openssl c_rehash">
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252 | <primary sortas="b-c_rehash">c_rehash</primary>
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253 | </indexterm>
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254 | </listitem>
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255 | </varlistentry>
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256 |
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257 | <varlistentry id="openssl-prog">
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258 | <term><command>openssl</command></term>
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259 | <listitem>
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260 | <para>is a command-line tool for using the various cryptography
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261 | functions of <application>OpenSSL</application>'s crypto
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262 | library from the shell. It can be used for various functions which are
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263 | documented in <command>man 1 openssl</command>.</para>
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264 | <indexterm zone="openssl openssl-prog">
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265 | <primary sortas="b-openssl">openssl</primary>
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266 | </indexterm>
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267 | </listitem>
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268 | </varlistentry>
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269 |
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270 | <varlistentry id="libcrypto">
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271 | <term><filename class='libraryfile'>libcrypto.{so,a}</filename></term>
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272 | <listitem>
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273 | <para>implements a wide range of cryptographic algorithms used in
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274 | various Internet standards. The services provided by this library
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275 | are used by the <application>OpenSSL</application> implementations of
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276 | SSL, TLS and S/MIME, and they have also been used to implement
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277 | <application>OpenSSH</application>, <application>OpenPGP</application>,
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278 | and other cryptographic standards.</para>
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279 | <indexterm zone="openssl libcrypto">
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280 | <primary sortas="c-libcrypto">libcrypto.{so,a}</primary>
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281 | </indexterm>
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282 | </listitem>
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283 | </varlistentry>
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284 |
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285 | <varlistentry id="libssl">
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286 | <term><filename class='libraryfile'>libssl.{so,a}</filename></term>
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287 | <listitem>
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288 | <para>implements the Secure Sockets Layer (SSL v2/v3) and Transport
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289 | Layer Security (TLS v1) protocols. It provides a rich API, documentation
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290 | on which can be found by running <command>man 3 ssl</command>.</para>
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291 | <indexterm zone="openssl libssl">
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292 | <primary sortas="c-libssl">libssl.{so,a}</primary>
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293 | </indexterm>
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294 | </listitem>
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295 | </varlistentry>
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296 |
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297 | </variablelist>
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298 |
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299 | </sect2>
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300 |
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301 | </sect1>
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