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106 lines
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<meta name="DC.Title" content="Define a private user registry type in EIM" />
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<title>Define a private user registry type in EIM</title>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Define a private user registry type in EIM</h1>
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<div><p>When you create an Enterprise Identity Mapping (EIM) <a href="rzalveserverregistry.htm#rzalveserverregistry">registry
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definition</a> you can specify one of a number of predefined user registry
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types to represent an actual user registry that exists on a system within
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the enterprise. Although the predefined registry definition types cover most
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operating system user registries, you may need to create a registry definition
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for which EIM does not include a predefined registry type. You have two options
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in this situation. You can either use an existing registry definition which
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matches the characteristics of your user registry or you can define a private
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user registry type. </p>
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<p>To define a user registry type that EIM is not predefined to recognize,
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you must use an object identity (OID) to specify the registry type in the
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form of <strong>ObjectIdentifier-normalization</strong>, where <strong>ObjectIdentifier</strong> is
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a dotted-decimal object identifier, such as 1.2.3.4.5.6.7, and <strong>normalization</strong> is
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either the value <strong>caseExact</strong> or the value <strong>caseIgnore</strong>. For example,
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the object identifier (OID) for iSeries™ is <samp class="codeph">1.3.18.0.2.33.2-caseIgnore</samp>.</p>
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<p>You should obtain any OIDs that you need from legitimate OID registration
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authorities to ensure that you create and use unique OIDs. Unique OIDs help
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you avoid potential conflicts with OIDs created by other organizations or
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applications. </p>
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<p>There are two ways of obtaining OIDs:</p>
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<ul><li><strong>Register the objects with an authority</strong>. This method is a good choice
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when you need a small number of fixed OIDs to represent information. For example,
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these OIDs might represent certificate policies for users in your enterprise.</li>
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<li><strong>Obtain an arc assignment from a registration authority and assign your
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own OIDs as needed</strong>. This method, which is a dotted-decimal object-identifier
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range assignment, is a good choice if you need a large number of OIDs, or
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if your OID assignments are subject to change. The arc assignment consists
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of the beginning dotted-decimal numbers from which you must base your <strong>ObjectIdentifier</strong>.
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For example, the arc assignment could be <samp class="codeph">1.2.3.4.5.</samp>. You
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could then create OIDs by adding to this basic arc. For example, you could
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create OIDs in the form <samp class="codeph">1.2.3.4.5.x.x.x)</samp>.</li>
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</ul>
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<p>You can learn more about registering your OIDs with a registration authority
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by reviewing these Internet resources: </p>
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<ul><li>American National Standards Institute (ANSI) is the registration authority
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for the United States for organization names under the global registration
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process established by International Standards Organization (ISO) and International
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Telecommunication Union (ITU). A fact sheet in Microsoft<sup>®</sup> Word format about applying
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for a Registered Application Provider Identifier (RID) is located at the ANSI
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Public Document Library Web site <a href="http://public.ansi.org/ansionline/Documents/" target="_blank">http://public.ansi.org/ansionline/Documents/</a><img src="www.gif" alt="Link outside Information Center" />.
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You can find the fact sheet by selecting <span class="uicontrol">Other Services > Registration
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Programs</span>. The ANSI OID arc for organizations is <samp class="codeph">2.16.840.1</samp>.
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ANSI charges a fee for OID arc assignments. It takes approximately two weeks
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to receive the assigned OID arc from ANSI. ANSI will assign a number (NEWNUM)
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to create a new OID arc; for example: <samp class="codeph">2.16.840.1.NEWNUM</samp>.</li>
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<li>In most countries or regions, the national standards association maintains
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an OID registry. As with the ANSI arc, these are generally arcs assigned
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under the OID <samp class="codeph">2.16</samp>. It may take some investigation to find
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the OID authority for a particular country or region. The addresses for ISO
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national member bodies may be found at <a href="http://www.iso.ch/addresse/membodies.html" target="_blank">http://www.iso.ch/addresse/membodies.html</a><img src="www.gif" alt="Link outside Information Center" />. The information includes postal
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address and electronic mail. In many cases, a Web site is specified as well.</li>
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<li>The Internet Assigned Numbers Authority (IANA) assigns private enterprise
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numbers, which are OIDs, in the arc <samp class="codeph">1.3.6.1.4.1</samp>. IANA has
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assigned arcs to over 7500 companies to date. The application page is located
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at <a href="http://www.iana.org/cgi-bin/enterprise.pl" target="_blank">http://www.iana.org/cgi-bin/enterprise.pl</a> <img src="www.gif" alt="Link outside Information Center" />,
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under Private Enterprise Numbers. The IANA usually takes about one week.
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An OID from IANA is free. IANA will assign a number (NEWNUM) so that the
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new OID arc will be <samp class="codeph">1.3.6.1.4.1.NEWNUM</samp>.</li>
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<li>The U.S. Federal Government maintains the Computer Security Objects Registry
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(CSOR). The CSOR is the naming authority for the arc <samp class="codeph">2.16.840.1.101.3</samp>,
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and is currently registering objects for security labels, cryptographic algorithms,
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and certificate policies. The certificate policy OIDs are defined in the
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arc <samp class="codeph">2.16.840.1.101.3.2.1</samp>. The CSOR provides policy OIDs
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to agencies of the U.S. Federal Government. For more information about the
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CSOR, see <a href="http://csrc.nist.gov/csor/" target="_blank">http://csrc.nist.gov/csor/</a><img src="www.gif" alt="Link outside Information Center" />.</li>
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</ul>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzalvadminregistries.htm" title="This information explains how to create and manage the Enterprise Identity Mapping (EIM) registry definitions for those user registries in your enterprise that participate in EIM.">Manage Enterprise Identity Mapping registry definitions</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="http://csrc.nist.gov/csor/pkireg.htm">http://csrc.nist.gov/csor/pkireg.htm</a></div>
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</div>
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