| 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 | <!ENTITY gnutls-download-http "&gnupg-http;/gnutls/v3.8/gnutls-&gnutls-version;.tar.xz">
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| 8 | <!ENTITY gnutls-download-ftp " ">
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| 9 | <!ENTITY gnutls-md5sum "74b468201ef7e9035f78d44c3f0906c4">
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| 10 | <!ENTITY gnutls-size "6.2 MB">
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| 11 | <!ENTITY gnutls-buildsize "147 MB (add 114 MB for tests)">
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| 12 | <!ENTITY gnutls-time "0.6 SBU (add 1.4 SBU for tests; both using parallelism=8)">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="gnutls" xreflabel="GnuTLS-&gnutls-version;">
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| 16 | <?dbhtml filename="gnutls.html"?>
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| 17 |
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| 18 |
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| 19 | <title>GnuTLS-&gnutls-version;</title>
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| 20 |
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| 21 | <indexterm zone="gnutls">
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| 22 | <primary sortas="a-GnuTLS">GnuTLS</primary>
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| 23 | </indexterm>
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| 24 |
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to GnuTLS</title>
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| 27 |
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| 28 | <para>
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| 29 | The <application>GnuTLS</application> package contains libraries and
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| 30 | userspace tools which provide a secure layer over a reliable transport
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| 31 | layer. Currently the <application>GnuTLS</application> library implements
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| 32 | the proposed standards by the IETF's TLS working group. Quoting from the
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| 33 | <ulink url="https://datatracker.ietf.org/doc/rfc8446/">
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| 34 | TLS 1.3 protocol specification
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| 35 | </ulink>:
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| 36 | </para>
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| 37 |
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| 38 | <para>
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| 39 | <quote>
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| 40 | TLS allows client/server applications to communicate over the Internet
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| 41 | in a way that is designed to prevent eavesdropping, tampering, and
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| 42 | message forgery.
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| 43 | </quote>
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| 44 | </para>
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| 45 |
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| 46 | <para>
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| 47 | <application>GnuTLS</application> provides support for TLS 1.3, TLS 1.2,
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| 48 | TLS 1.1, TLS 1.0, and (optionally) SSL 3.0 protocols. It also supports
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| 49 | TLS extensions, including server name and max record size. Additionally,
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| 50 | the library supports authentication using the SRP protocol, X.509
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| 51 | certificates, and OpenPGP keys, along with support for the TLS
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| 52 | Pre-Shared-Keys (PSK) extension, the Inner Application (TLS/IA)
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| 53 | extension, and X.509 and OpenPGP certificate handling.
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| 54 | </para>
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| 55 |
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| 56 | &lfs121_checked;
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| 57 |
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| 58 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 59 | <itemizedlist spacing="compact">
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| 60 | <listitem>
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| 61 | <para>
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| 62 | Download (HTTP): <ulink url="&gnutls-download-http;"/>
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| 63 | </para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>
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| 67 | Download (FTP): <ulink url="&gnutls-download-ftp;"/>
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| 68 | </para>
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| 69 | </listitem>
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| 70 | <listitem>
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| 71 | <para>
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| 72 | Download MD5 sum: &gnutls-md5sum;
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| 73 | </para>
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| 74 | </listitem>
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| 75 | <listitem>
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| 76 | <para>
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| 77 | Download size: &gnutls-size;
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| 78 | </para>
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| 79 | </listitem>
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| 80 | <listitem>
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| 81 | <para>
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| 82 | Estimated disk space required: &gnutls-buildsize;
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| 83 | </para>
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| 84 | </listitem>
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| 85 | <listitem>
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| 86 | <para>
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| 87 | Estimated build time: &gnutls-time;
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| 88 | </para>
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| 89 | </listitem>
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| 90 | </itemizedlist>
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| 91 |
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| 92 | <bridgehead renderas="sect3">GnuTLS Dependencies</bridgehead>
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| 93 |
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| 94 | <bridgehead renderas="sect4">Required</bridgehead>
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| 95 | <para role="required">
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| 96 | <xref linkend="nettle"/>
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| 97 | </para>
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| 98 |
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| 99 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 100 | <para role="recommended">
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| 101 | <xref linkend="make-ca"/>,
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| 102 | <xref linkend="libunistring"/>,
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| 103 | <xref linkend="libtasn1"/>, and
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| 104 | <xref linkend="p11-kit"/>
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| 105 | </para>
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| 106 |
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| 107 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 108 | <para role="optional">
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| 109 | <xref linkend="brotli"/>,
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| 110 | <xref linkend="doxygen"/>,
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| 111 | <xref linkend="gtk-doc"/>,
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| 112 | <xref linkend="libidn"/> or
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| 113 | <xref linkend="libidn2"/>,
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| 114 | <xref linkend="libseccomp"/>,
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| 115 | <xref linkend="net-tools"/> (used during the test suite),
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| 116 | <xref linkend="texlive"/> or <xref linkend="tl-installer"/>,
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| 117 | <xref linkend="unbound"/> (to build the DANE library),
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| 118 | <xref linkend="valgrind"/> (used during the test suite),
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| 119 | <ulink url="&gnu-http;/autogen/">autogen</ulink>,
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| 120 | <ulink url="https://cmocka.org/">cmocka</ulink> and
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| 121 | <ulink url="https://ftp.debian.org/debian/pool/main/d/datefudge/">datefudge</ulink> (used during the test suite if the DANE library is built), and
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| 122 | <ulink url="&sourceforge-dl;/trousers/">Trousers</ulink> (Trusted Platform Module support)
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| 123 | </para>
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| 124 |
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| 125 | <note><para>
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| 126 | <!-- Note that if you do not install <xref linkend="libtasn1"/>, an older
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| 127 | 3.8.0 includes minitasn1 4.19 which is currnet at the moment. ken -->
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| 128 | Note that if you do not install <xref linkend="libtasn1"/>, a
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| 129 | version shipped in the <application>GnuTLS</application> tarball will be
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| 130 | used instead.
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| 131 | </para></note>
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| 132 |
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| 133 | </sect2>
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| 134 |
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| 135 | <sect2 role="installation">
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| 136 | <title>Installation of GnuTLS</title>
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| 137 |
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| 138 | <para>
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| 139 | Install <application>GnuTLS</application> by running the
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| 140 | following commands:
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| 141 | </para>
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| 142 |
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| 143 | <screen><userinput>./configure --prefix=/usr \
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| 144 | --docdir=/usr/share/doc/gnutls-&gnutls-version; \
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| 145 | --with-default-trust-store-pkcs11="pkcs11:" &&
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| 146 | make</userinput></screen>
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| 147 | <!-- - -disable-rpath \
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| 148 | Old gnutls versions (around 3.5) had a problem with rpath, because
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| 149 | libraries in the build tree were linked with rpath pointing to the
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| 150 | system libraries, so that tests failed. Present versions don't have
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| 151 | this problem, and do exactly what is expected without using the
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| 152 | disable-rpath option: rpath pointing to the build tree when libraries
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| 153 | are first linked, but rpath removed when libraries are relinked at
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| 154 | install time. -->
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| 155 |
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| 156 | <para>
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| 157 | To test the results, issue: <command>make check</command>.
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| 158 | </para>
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| 159 |
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| 160 | <para>
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| 161 | Now, as the <systemitem class="username">root</systemitem>
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| 162 | user:
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| 163 | </para>
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| 164 |
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| 165 | <screen role="root"><userinput>make install</userinput></screen>
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| 166 |
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| 167 | </sect2>
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| 168 |
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| 169 | <sect2 role="commands">
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| 170 | <title>Command Explanations</title>
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| 171 |
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| 172 | <para>
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| 173 | <parameter>--with-default-trust-store-pkcs11="pkcs11:"</parameter>: This
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| 174 | switch tells gnutls to use the PKCS #11 trust store as the default trust.
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| 175 | Omit this switch if <xref linkend="p11-kit"/> is not installed.
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| 176 | </para>
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| 177 | <!-- see above
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| 178 | <para>
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| 179 | <parameter>- -disable-rpath</parameter>: This switch prevents building
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| 180 | GnuTLS utilities and tests with hardcoded runtime library search path.
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| 181 | Hardcoded rpath is unneeded for BLFS, and it causes test failures if
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| 182 | an old version of GnuTLS is installed.
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| 183 | </para>
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| 184 | -->
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| 185 | <para>
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| 186 | <option>--with-default-trust-store-file=/etc/pki/tls/certs/ca-bundle.crt</option>:
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| 187 | This switch tells <command>configure</command> where to find the
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| 188 | legacy CA certificate bundle and to use it instead of PKCS #11 module
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| 189 | by default. Use this if <xref linkend="p11-kit"/> is not installed.
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| 190 | </para>
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| 191 |
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| 192 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 193 | href="../../xincludes/gtk-doc-rebuild.xml"/>
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| 194 |
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| 195 | <para>
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| 196 | <option>--enable-openssl-compatibility</option>:
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| 197 | Use this switch if you wish to build the OpenSSL compatibility library.
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| 198 | </para>
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| 199 |
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| 200 | <para>
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| 201 | <option>--without-p11-kit</option>: use this switch if you have not
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| 202 | installed <application>p11-kit</application>.
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| 203 | </para>
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| 204 |
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| 205 | <para>
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| 206 | <option>--with-included-unistring</option>: uses the bundled version of
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| 207 | libunistring, instead of the system one. Use this switch if you have not
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| 208 | installed <xref linkend="libunistring"/>.
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| 209 | </para>
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| 210 |
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| 211 | </sect2>
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| 212 |
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| 213 | <sect2 role="content">
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| 214 | <title>Contents</title>
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| 215 |
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| 216 | <segmentedlist>
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| 217 | <segtitle>Installed Programs</segtitle>
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| 218 | <segtitle>Installed Libraries</segtitle>
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| 219 | <segtitle>Installed Directories</segtitle>
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| 220 |
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| 221 | <seglistitem>
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| 222 | <seg>
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| 223 | certtool, danetool, gnutls-cli, gnutls-cli-debug,
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| 224 | gnutls-serv, ocsptool, p11tool, psktool, and srptool
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| 225 | </seg>
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| 226 | <seg>
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| 227 | libgnutls.so, libgnutls-dane.so, libgnutlsxx.so,
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| 228 | libgnutls-openssl.so (optional), and
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| 229 | /usr/lib/guile/3.0/extensions/guile-gnutls-v-2.so
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| 230 | </seg>
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| 231 | <seg>
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| 232 | /usr/include/gnutls,
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| 233 | /usr/lib/guile/3.0/site-ccache/gnutls,
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| 234 | /usr/share/guile/site/3.0/gnutls, and
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| 235 | /usr/share/doc/gnutls-&gnutls-version;
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| 236 | </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="certtool">
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| 246 | <term><command>certtool</command></term>
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| 247 | <listitem>
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| 248 | <para>
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| 249 | is used to generate X.509 certificates, certificate requests,
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| 250 | and private keys
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| 251 | </para>
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| 252 | <indexterm zone="gnutls certtool">
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| 253 | <primary sortas="b-certtool">certtool</primary>
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| 254 | </indexterm>
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| 255 | </listitem>
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| 256 | </varlistentry>
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| 257 |
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| 258 | <varlistentry id="danetool">
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| 259 | <term><command>danetool</command></term>
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| 260 | <listitem>
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| 261 | <para>
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| 262 | is a tool used to generate and check DNS resource records
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| 263 | for the DANE protocol
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| 264 | </para>
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| 265 | <indexterm zone="gnutls danetool">
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| 266 | <primary sortas="b-danetool">danetool</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 | <varlistentry id="gnutls-cli">
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| 272 | <term><command>gnutls-cli</command></term>
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| 273 | <listitem>
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| 274 | <para>
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| 275 | is a simple client program to set up a TLS connection to some
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| 276 | other computer
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| 277 | </para>
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| 278 | <indexterm zone="gnutls gnutls-cli">
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| 279 | <primary sortas="b-gnutls-cli">gnutls-cli</primary>
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| 280 | </indexterm>
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| 281 | </listitem>
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| 282 | </varlistentry>
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| 283 |
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| 284 | <varlistentry id="gnutls-cli-debug">
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| 285 | <term><command>gnutls-cli-debug</command></term>
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| 286 | <listitem>
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| 287 | <para>
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| 288 | is a simple client program to set up a TLS connection to some
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| 289 | other computer and produces very verbose progress results
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| 290 | </para>
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| 291 | <indexterm zone="gnutls gnutls-cli-debug">
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| 292 | <primary sortas="b-gnutls-cli-debug">gnutls-cli-debug</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 | <varlistentry id="gnutls-serv">
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| 298 | <term><command>gnutls-serv</command></term>
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| 299 | <listitem>
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| 300 | <para>
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| 301 | is a simple server program that listens to incoming TLS
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| 302 | connections
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| 303 | </para>
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| 304 | <indexterm zone="gnutls gnutls-serv">
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| 305 | <primary sortas="b-gnutls-serv">gnutls-serv</primary>
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| 306 | </indexterm>
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| 307 | </listitem>
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| 308 | </varlistentry>
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| 309 |
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| 310 | <varlistentry id="ocsptool">
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| 311 | <term><command>ocsptool</command></term>
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| 312 | <listitem>
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| 313 | <para>
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| 314 | is a program that can parse and print information about OCSP
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| 315 | requests/responses, generate requests and verify responses
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| 316 | </para>
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| 317 | <indexterm zone="gnutls ocsptool">
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| 318 | <primary sortas="b-ocsptool">ocsptool</primary>
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| 319 | </indexterm>
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| 320 | </listitem>
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| 321 | </varlistentry>
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| 322 |
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| 323 | <varlistentry id="p11tool">
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| 324 | <term><command>p11tool</command></term>
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| 325 | <listitem>
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| 326 | <para>
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| 327 | is a program that allows handling data from PKCS #11 smart cards
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| 328 | and security modules
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| 329 | </para>
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|---|
| 330 | <indexterm zone="gnutls p11tool">
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| 331 | <primary sortas="b-p11tool">p11tool</primary>
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| 332 | </indexterm>
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| 333 | </listitem>
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| 334 | </varlistentry>
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| 335 |
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| 336 | <varlistentry id="psktool">
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|---|
| 337 | <term><command>psktool</command></term>
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|---|
| 338 | <listitem>
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|---|
| 339 | <para>
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|---|
| 340 | is a simple program that generates random keys for use with TLS-PSK
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| 341 | </para>
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|---|
| 342 | <indexterm zone="gnutls psktool">
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| 343 | <primary sortas="b-psktool">psktool</primary>
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| 344 | </indexterm>
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| 345 | </listitem>
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| 346 | </varlistentry>
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| 347 |
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| 348 | <varlistentry id="srptool">
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|---|
| 349 | <term><command>srptool</command></term>
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|---|
| 350 | <listitem>
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| 351 | <para>
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|---|
| 352 | is a simple program that emulates the programs in the Stanford
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|---|
| 353 | SRP (Secure Remote Password) libraries using GnuTLS
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| 354 | </para>
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|---|
| 355 | <indexterm zone="gnutls srptool">
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| 356 | <primary sortas="b-srptool">srptool</primary>
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| 357 | </indexterm>
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| 358 | </listitem>
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|---|
| 359 | </varlistentry>
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|---|
| 360 |
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| 361 | <varlistentry id="libgnutls">
|
|---|
| 362 | <term><filename class="libraryfile">libgnutls.so</filename></term>
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|---|
| 363 | <listitem>
|
|---|
| 364 | <para>
|
|---|
| 365 | contains the core API functions and X.509 certificate API functions
|
|---|
| 366 | </para>
|
|---|
| 367 | <indexterm zone="gnutls libgnutls">
|
|---|
| 368 | <primary sortas="c-libgnutls">libgnutls.so</primary>
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|---|
| 369 | </indexterm>
|
|---|
| 370 | </listitem>
|
|---|
| 371 | </varlistentry>
|
|---|
| 372 |
|
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| 373 | </variablelist>
|
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| 374 |
|
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| 375 | </sect2>
|
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| 376 |
|
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| 377 | </sect1>
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