1 | <?xml version="1.0" encoding="UTF-8"?>
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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-openssl" role="wrap">
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9 | <?dbhtml filename="openssl.html"?>
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10 |
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11 | <sect1info condition="script">
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12 | <productname>openssl</productname>
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13 | <productnumber>&openssl-version;</productnumber>
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14 | <address>&openssl-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>OpenSSL-&openssl-version;</title>
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18 |
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19 | <indexterm zone="ch-system-openssl">
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20 | <primary sortas="a-OpenSSL">OpenSSL</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 OpenSSL package contains management tools and libraries relating
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27 | to cryptography. These are useful for providing cryptographic functions
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28 | to other packages, such as OpenSSH, email applications, and web browsers
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29 | (for accessing HTTPS sites). </para>
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30 |
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31 | <segmentedlist>
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32 | <segtitle>&buildtime;</segtitle>
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33 | <segtitle>&diskspace;</segtitle>
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34 |
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35 | <seglistitem>
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36 | <seg>&openssl-fin-sbu;</seg>
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37 | <seg>&openssl-fin-du;</seg>
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38 | </seglistitem>
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39 | </segmentedlist>
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40 |
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41 | </sect2>
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42 |
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43 | <sect2 role="installation">
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44 | <title>Installation of OpenSSL</title>
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45 | <!--
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46 | <para>First fix a problem with some advanced architectures with avx512
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47 | capability:</para>
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48 |
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49 | <screen><userinput remap="pre">sed -e '/bn_reduce.*m1/i\ factor_size /= sizeof(BN_ULONG) * 8;' \
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50 | -i crypto/bn/rsaz_exp_x2.c</userinput></screen>
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51 | -->
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52 | <para>Prepare OpenSSL for compilation:</para>
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53 |
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54 | <screen><userinput remap="configure">./config --prefix=/usr \
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55 | --openssldir=/etc/ssl \
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56 | --libdir=lib \
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57 | shared \
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58 | zlib-dynamic</userinput></screen>
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59 |
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60 | <para>Compile the package:</para>
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61 |
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62 | <screen><userinput remap="make">make</userinput></screen>
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63 |
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64 | <para>To test the results, issue:</para>
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65 |
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66 | <screen><userinput remap="test">HARNESS_JOBS=<replaceable>$(nproc)</replaceable> make test</userinput></screen>
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67 |
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68 | <para>One test, 30-test_afalg.t, is known to fail if the host kernel
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69 | does not have <option>CONFIG_CRYPTO_USER_API_SKCIPHER</option> enabled,
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70 | or does not have any options providing an AES with CBC implementation
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71 | (for example, the combination of <option>CONFIG_CRYPTO_AES</option>
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72 | and <option>CONFIG_CRYPTO_CBC</option>, or
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73 | <option>CONFIG_CRYPTO_AES_NI_INTEL</option> if the CPU supports AES-NI)
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74 | enabled. If it fails, it can safely be ignored.</para>
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75 |
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76 | <para>Install the package:</para>
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77 |
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78 | <screen><userinput remap="install">sed -i '/INSTALL_LIBS/s/libcrypto.a libssl.a//' Makefile
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79 | make MANSUFFIX=ssl install</userinput></screen>
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80 |
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81 | <para>Add the version to the documentation directory name, to be
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82 | consistent with other packages:</para>
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83 |
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84 | <screen><userinput remap="install">mv -v /usr/share/doc/openssl /usr/share/doc/openssl-&openssl-version;</userinput></screen>
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85 |
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86 | <para>If desired, install some additional documentation:</para>
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87 |
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88 | <screen><userinput remap="install">cp -vfr doc/* /usr/share/doc/openssl-&openssl-version;</userinput></screen>
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89 |
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90 | <note>
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91 | <para>
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92 | You should update OpenSSL when a new version which fixes vulnerabilities
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93 | is announced. Since OpenSSL 3.0.0, the OpenSSL versioning scheme
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94 | follows the MAJOR.MINOR.PATCH format. API/ABI compatibility
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95 | is guaranteed for the same MAJOR version number. Because LFS
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96 | installs only the shared libraries, there is no need to recompile
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97 | packages which link to
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98 | <filename class="libraryfile">libcrypto.so</filename> or
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99 | <filename class="libraryfile">libssl.so</filename>
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100 | <emphasis>when upgrading to a version with the same MAJOR version
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101 | number</emphasis>.
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102 | </para>
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103 |
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104 | <para>
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105 | However, any running programs linked to those libraries need to be stopped
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106 | and restarted. Read the related entries in
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107 | <xref linkend='pkgmgmt-upgrade-issues'/> for details.
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108 | </para>
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109 |
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110 | </note>
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111 |
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112 | </sect2>
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113 |
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114 | <!-- - - - - - - - - - -->
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115 | <!-- Multilib - 32bit -->
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116 | <!-- - - - - - - - - - -->
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117 |
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118 | <sect2 arch="ml_32,ml_all" role="installation">
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119 | <title>Installation of OpenSSL - 32bit</title>
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120 |
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121 | <para>Clean previous build:</para>
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122 |
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123 | <screen><userinput remap="pre">make distclean</userinput></screen>
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124 |
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125 | <para>Prepare OpenSSL for compilation:</para>
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126 |
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127 | <screen><userinput remap="configure">./config --prefix=/usr \
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128 | --openssldir=/etc/ssl \
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129 | --libdir=lib32 \
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130 | shared \
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131 | zlib-dynamic \
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132 | linux-x86</userinput></screen>
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133 |
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134 | <para>Compile the package:</para>
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135 |
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136 | <screen><userinput remap="make">make</userinput></screen>
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137 |
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138 | <para>Install the package:</para>
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139 |
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140 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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141 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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142 | rm -rf DESTDIR</userinput></screen>
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143 |
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144 | </sect2><!-- m32 -->
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145 |
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146 | <!-- - - - - - - - - - -->
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147 | <!-- Multilib - x32bit -->
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148 | <!-- - - - - - - - - - -->
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149 |
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150 | <sect2 arch="ml_x32,ml_all" role="installation">
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151 | <title>Installation of OpenSSL - x32bit</title>
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152 |
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153 | <para>Clean previous build:</para>
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154 |
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155 | <screen><userinput remap="pre">make distclean</userinput></screen>
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156 |
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157 | <para>Prepare OpenSSL for compilation:</para>
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158 |
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159 | <screen><userinput remap="configure">./config --prefix=/usr \
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160 | --openssldir=/etc/ssl \
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161 | --libdir=libx32 \
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162 | shared \
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163 | zlib-dynamic \
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164 | linux-x32</userinput></screen>
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165 |
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166 | <para>Compile the package:</para>
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167 |
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168 | <screen><userinput remap="make">make</userinput></screen>
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169 |
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170 | <para>Install the package:</para>
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171 |
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172 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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173 | cp -Rv DESTDIR/usr/libx32/* /usr/libx32
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174 | rm -rf DESTDIR</userinput></screen>
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175 |
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176 | </sect2><!-- mx32 -->
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177 |
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178 | <sect2 id="contents-openssl" role="content">
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179 | <title>Contents of OpenSSL</title>
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180 |
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181 | <segmentedlist>
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182 | <segtitle>Installed programs</segtitle>
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183 | <segtitle>Installed libraries</segtitle>
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184 | <segtitle>Installed directories</segtitle>
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185 |
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186 | <seglistitem>
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187 | <seg>
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188 | c_rehash and openssl
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189 | </seg>
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190 | <seg>
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191 | libcrypto.so and libssl.so
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192 | </seg>
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193 | <seg>
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194 | /etc/ssl,
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195 | /usr/include/openssl,
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196 | /usr/lib/engines and
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197 | /usr/share/doc/openssl-&openssl-version;
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198 | </seg>
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199 | </seglistitem>
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200 | </segmentedlist>
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201 |
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202 | <variablelist>
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203 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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204 | <?dbfo list-presentation="list"?>
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205 | <?dbhtml list-presentation="table"?>
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206 |
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207 | <varlistentry id="c_rehash">
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208 | <term><command>c_rehash</command></term>
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209 | <listitem>
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210 | <para>
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211 | is a <application>Perl</application> script that
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212 | scans all files in a directory and adds symbolic links to their
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213 | hash values. Use of <command>c_rehash</command> is considered
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214 | obsolete and should be replaced by
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215 | <command>openssl rehash</command> command
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216 | </para>
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217 | <indexterm zone="ch-system-openssl c_rehash">
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218 | <primary sortas="b-c_rehash">c_rehash</primary>
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219 | </indexterm>
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220 | </listitem>
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221 | </varlistentry>
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222 |
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223 | <varlistentry id="openssl-prog">
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224 | <term><command>openssl</command></term>
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225 | <listitem>
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226 | <para>
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227 | is a command-line tool for using the various cryptography functions
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228 | of <application>OpenSSL</application>'s crypto library from the
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229 | shell. It can be used for various functions which are documented in
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230 | <ulink role='man' url='&man;openssl.1'>openssl(1)</ulink>
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231 | </para>
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232 | <indexterm zone="ch-system-openssl openssl-prog">
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233 | <primary sortas="b-openssl">openssl</primary>
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234 | </indexterm>
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235 | </listitem>
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236 | </varlistentry>
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237 |
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238 | <varlistentry id="libcrypto">
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239 | <term><filename class="libraryfile">libcrypto.so</filename></term>
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240 | <listitem>
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241 | <para>
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242 | implements a wide range of cryptographic algorithms used in various
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243 | Internet standards. The services provided by this library are used
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244 | by the <application>OpenSSL</application> implementations of SSL,
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245 | TLS and S/MIME, and they have also been used to implement
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246 | <application>OpenSSH</application>,
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247 | <application>OpenPGP</application>, and other cryptographic
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248 | standards
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249 | </para>
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250 | <indexterm zone="ch-system-openssl libcrypto">
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251 | <primary sortas="c-libcrypto">libcrypto.so</primary>
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252 | </indexterm>
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253 | </listitem>
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254 | </varlistentry>
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255 |
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256 | <varlistentry id="libssl">
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257 | <term><filename class="libraryfile">libssl.so</filename></term>
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258 | <listitem>
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259 | <para>
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260 | implements the Transport Layer Security (TLS v1) protocol.
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261 | It provides a rich API, documentation
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262 | on which can be found in <ulink role='man'
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263 | url='&man;ssl.7'>ssl(7)</ulink>
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264 | </para>
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265 | <indexterm zone="ch-system-openssl libssl">
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266 | <primary sortas="c-libssl">libssl.so</primary>
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267 | </indexterm>
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268 | </listitem>
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269 | </varlistentry>
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270 |
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271 | </variablelist>
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272 |
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273 | </sect2>
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274 |
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275 | </sect1>
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