| 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 |
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| 8 | <sect1 id="ch-system-libxcrypt" role="wrap">
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| 9 | <?dbhtml filename="libxcrypt.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>libxcrypt</productname>
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| 13 | <productnumber>&libxcrypt-version;</productnumber>
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| 14 | <address>&libxcrypt-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Libxcrypt-&libxcrypt-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-libxcrypt">
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| 20 | <primary sortas="a-Libxcrypt">Libxcrypt</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Libxcrypt package contains a modern library for one-way
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| 27 | hashing of passwords.</para>
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| 28 |
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| 29 | <segmentedlist>
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| 30 | <segtitle>&buildtime;</segtitle>
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| 31 | <segtitle>&diskspace;</segtitle>
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| 32 |
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| 33 | <seglistitem>
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| 34 | <seg>&libxcrypt-fin-sbu;</seg>
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| 35 | <seg>&libxcrypt-fin-du;</seg>
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| 36 | </seglistitem>
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| 37 | </segmentedlist>
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| 38 |
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| 39 | </sect2>
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| 40 |
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| 41 | <sect2 role="installation">
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| 42 | <title>Installation of Libxcrypt</title>
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| 43 |
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| 44 | <para>Prepare Libxcrypt for compilation:</para>
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| 45 |
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| 46 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 47 | --enable-hashes=strong,glibc \
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| 48 | --enable-obsolete-api=no \
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| 49 | --disable-static \
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| 50 | --disable-failure-tokens</userinput></screen>
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| 51 |
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| 52 | <variablelist>
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| 53 | <title>The meaning of the new configure options:</title>
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| 54 |
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| 55 | <varlistentry>
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| 56 | <term><parameter>--enable-hashes=strong,glibc</parameter></term>
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| 57 | <listitem>
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| 58 | <para>Build strong hash algorithms recommended for security use
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| 59 | cases, and the hash algorithms provided by traditional Glibc
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| 60 | <systemitem class='library'>libcrypt</systemitem> for
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| 61 | compatibility.</para>
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| 62 | </listitem>
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| 63 | </varlistentry>
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| 64 |
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| 65 | <varlistentry>
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| 66 | <term><parameter>--enable-obsolete-api=no</parameter></term>
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| 67 | <listitem>
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| 68 | <para>Disable obsolete API functions. They are not needed for
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| 69 | a modern Linux system built from source.</para>
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| 70 | </listitem>
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| 71 | </varlistentry>
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| 72 |
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| 73 | <varlistentry>
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| 74 | <term><parameter>--disable-failure-tokens</parameter></term>
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| 75 | <listitem>
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| 76 | <para>Disable failure token feature. It's needed for
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| 77 | compatibility with the traditional hash libraries of some
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| 78 | platforms, but a Linux system based on Glibc does not need
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| 79 | it.</para>
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| 80 | </listitem>
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| 81 | </varlistentry>
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| 82 | </variablelist>
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| 83 |
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| 84 | <para>Compile the package:</para>
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| 85 |
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| 86 | <screen><userinput remap="make">make</userinput></screen>
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| 87 |
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| 88 | <para>To test the results, issue:</para>
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| 89 |
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| 90 | <screen><userinput remap="test">make check</userinput></screen>
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| 91 |
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| 92 | <para>Install the package:</para>
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| 93 |
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| 94 | <screen><userinput remap="install">make install</userinput></screen>
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| 95 |
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| 96 | <note>
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| 97 |
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| 98 | <para>The instructions above disabled obsolete API functions since
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| 99 | no package installed by compiling from sources would link against
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| 100 | them at runtime. However, the only known binary-only applications
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| 101 | that link against these functions require ABI version 1. If you must
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| 102 | have such functions because of some binary-only application or to be
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| 103 | compliant with LSB, build the package again with the following
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| 104 | commands:</para>
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| 105 |
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| 106 | <screen role="nodump"><userinput>make distclean
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| 107 | ./configure --prefix=/usr \
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| 108 | --enable-hashes=strong,glibc \
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| 109 | --enable-obsolete-api=glibc \
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| 110 | --disable-static \
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| 111 | --disable-failure-tokens
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| 112 | make
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| 113 | cp -av .libs/libcrypt.so.1* /usr/lib</userinput></screen>
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| 114 | </note>
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| 115 |
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| 116 | </sect2>
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| 117 |
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| 118 | <!-- - - - - - - - - - -->
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| 119 | <!-- Multilib - 32bit -->
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| 120 | <!-- - - - - - - - - - -->
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| 121 | <sect2 arch="ml_32,ml_all" role="installation">
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| 122 | <title>Installation of Libxcrypt - 32bit</title>
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| 123 |
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| 124 | <para>Clean previous build:</para>
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| 125 |
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| 126 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 127 |
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| 128 | <para>Prepare Libxcrypt for compilation:</para>
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| 129 |
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| 130 | <screen><userinput remap="configure">CC="gcc -m32" \
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| 131 | ./configure --prefix=/usr \
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| 132 | --host=i686-pc-linux-gnu \
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| 133 | --libdir=/usr/lib32 \
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| 134 | --enable-hashes=strong,glibc \
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| 135 | --enable-obsolete-api=glibc \
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| 136 | --disable-static \
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| 137 | --disable-failure-tokens</userinput></screen>
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| 138 |
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| 139 | <para>Compile the package:</para>
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| 140 |
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| 141 | <screen><userinput remap="make">make</userinput></screen>
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| 142 |
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| 143 | <para>Install the package:</para>
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| 144 |
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| 145 | <screen><userinput remap="install">cp -av .libs/libcrypt.so* /usr/lib32/ &&
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| 146 | make install-pkgconfigDATA &&
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| 147 | ln -svf libxcrypt.pc /usr/lib32/pkgconfig/libcrypt.pc</userinput></screen>
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| 148 |
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| 149 | </sect2><!-- m32 -->
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| 150 |
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| 151 | <!-- - - - - - - - - - -->
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| 152 | <!-- Multilib - x32bit -->
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| 153 | <!-- - - - - - - - - - -->
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| 154 | <sect2 arch="ml_x32,ml_all" role="installation">
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| 155 | <title>Installation of Libxcrypt - x32bit</title>
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| 156 |
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| 157 | <para>Clean previous build:</para>
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| 158 |
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| 159 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 160 |
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| 161 | <para>Prepare Libxcrypt for compilation:</para>
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| 162 |
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| 163 | <screen><userinput remap="configure">CC="gcc -mx32" \
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| 164 | ./configure --prefix=/usr \
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| 165 | --host=x86_64-pc-linux-gnux32 \
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| 166 | --libdir=/usr/libx32 \
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| 167 | --enable-hashes=strong,glibc \
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| 168 | --enable-obsolete-api=glibc \
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| 169 | --disable-static \
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| 170 | --disable-failure-tokens</userinput></screen>
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| 171 |
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| 172 | <para>Compile the package:</para>
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| 173 |
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| 174 | <screen><userinput remap="make">make</userinput></screen>
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| 175 |
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| 176 | <para>Install the package:</para>
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| 177 |
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| 178 | <screen><userinput remap="install">cp -av .libs/libcrypt.so* /usr/libx32/ &&
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| 179 | make install-pkgconfigDATA &&
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| 180 | ln -svf libxcrypt.pc /usr/libx32/pkgconfig/libcrypt.pc</userinput></screen>
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| 181 |
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| 182 | </sect2><!-- mx32 -->
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| 183 |
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| 184 | <sect2 id="contents-libxcrypt" role="content">
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| 185 | <title>Contents of Libxcrypt</title>
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| 186 |
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| 187 | <segmentedlist>
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| 188 | <segtitle>Installed libraries</segtitle>
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| 189 |
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| 190 | <seglistitem>
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| 191 | <seg>libcrypt.so</seg>
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| 192 | </seglistitem>
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| 193 | </segmentedlist>
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| 194 |
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| 195 | <variablelist>
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| 196 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 197 | <?dbfo list-presentation="list"?>
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| 198 | <?dbhtml list-presentation="table"?>
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| 199 |
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| 200 | <varlistentry id="libcrypt">
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| 201 | <term><filename class="libraryfile">libcrypt</filename></term>
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| 202 | <listitem>
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| 203 | <para>Contains functions to hash passwords</para>
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| 204 | <indexterm zone="ch-system-libxcrypt libcrypt">
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| 205 | <primary sortas="c-libcrypt">libcrypt</primary>
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| 206 | </indexterm>
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| 207 | </listitem>
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| 208 | </varlistentry>
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| 209 |
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| 210 | </variablelist>
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| 211 |
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| 212 | </sect2>
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| 213 |
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| 214 | </sect1>
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