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<!DOCTYPE article PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN"
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<!ENTITY % addindex "IGNORE">
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<!ENTITY % English "INCLUDE">
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<article lang="&language;">
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<title>SSL Versions and Certificates</title>
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<author><firstname>Subhashish</firstname> <surname>Pradhan</surname></author>
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<author>&TC.Hollingsworth; &TC.Hollingsworth.mail;</author>
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<!-- TRANS:ROLES_OF_TRANSLATORS -->
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<date>2012-01-31</date>
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<releaseinfo>&kde; 4.8</releaseinfo>
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<keyword>KDE</keyword>
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<keyword>Systemsettings</keyword>
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<keyword>SSL</keyword>
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<keyword>certificates</keyword>
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<title>Introduction</title>
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<para>&kde; provides a list of all the X.509 certificates used by the system. They
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can be accessed in the <guilabel>SSL Preferences</guilabel> module in
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&systemsettings;.</para>
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<para>This module provides a categorized listing of all SSL versions and
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certificates. You can see the details of each of the certificates and add, delete,
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disable, or enable them.</para>
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<para>The certificates are categorized into <guilabel>System certificates</guilabel>
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and <guilabel>User-added certificates</guilabel>. The <guilabel>System
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certificates</guilabel> are further categorized by the organization that issued
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<screenshot id="screenshot-module">
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<screeninfo>The SSL Versions and Certificates Module</screeninfo>
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<imageobject><imagedata fileref="module.png" format="PNG"/></imageobject>
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<textobject><phrase>The SSL Versions and Certificates module.</phrase></textobject>
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<title>Viewing the Details of a Certificate</title>
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<para>Select a certificate under a listed organization, and click on the
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<guibutton>Display</guibutton> underneath the list to view the details of the
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<screenshot id="screenshot-details">
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<screeninfo>Viewing the Details of a Certificate</screeninfo>
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<imageobject><imagedata fileref="details.png" format="PNG"/></imageobject>
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<textobject><phrase>The certificate details window.</phrase></textobject>
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<sect2 id="enable-disable">
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<title>Enabling or Disabling a Certificate</title>
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<para>First, select a certificate listed under an organization. Then, click the
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<guibutton>Enable</guibutton> button to enable the certificate, or click the
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<guibutton>Disable</guibutton> button to disable an enabled certificate.</para>
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<para>Alternatively, you can enable or disable a certificate by selecting or
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clearing the check box before the certificate.</para>
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<para>You can enable or disable multiple certificates by selecting them while
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holding the &Ctrl; key and then clicking on the <guibutton>Enable</guibutton> or
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<guibutton>Disable</guibutton> button below the list.</para>
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<title>Adding a Certificate</title>
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<!--link file selector dialog to buildingblocks when its done-->
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<para>First, click on the <guibutton>Add</guibutton> button below the certificate
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list. It will open the file selector dialog allowing you to locate where the
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certificate files are stored. After locating the certificate file, select it
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and click on the <guibutton>Open</guibutton> button to add it.</para>
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<para>The certificates must be in one of the following formats:
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<acronym>DER</acronym>, <acronym>PEM</acronym>, or &Netscape;-encoded X.509
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<title>Removing a Certificate</title>
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<para>Select the listed certificate that you want to remove, and click the
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<guibutton>Remove</guibutton> button to remove the certificate.</para>
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<para>System certificates cannot be removed.</para>
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<title>Thanks and Acknowledgments</title>
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<para>Special thanks to Google Code-In 2011 participant Subhashish Pradhan for
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writing this article.</para>
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