ibm-information-center/dist/eclipse/plugins/i5OS.ic.rzahu_5.4.0.1/rzahumngcaapptrust.htm

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<h1 class="topictitle1">Define a CA trust list for an application</h1>
<div><p>Applications that support the use of certificates for client authentication
during a Secure Sockets Layer (SSL) session must determine whether to accept
a certificate as valid proof of identity. One of the criteria that an application
uses for authenticating a certificate is whether the application trusts the
Certificate Authority (CA) that issued the certificate.</p>
<div class="section"> <p>You can use Digital Certificate Manager (DCM) to
define which CAs an application can trust when performing client authentication
for certificates. You manage the CAs that an application trusts through a
CA trust list. </p>
<div class="p">Before you can define a CA trust list for an application,
several conditions must be met: <ul><li>The application must support the use of certificates for client authentication.</li>
<li>The definition for the application must specify that the application use
a CA trust list.</li>
</ul>
</div>
<p>If the definition for an application specifies that the application
use a CA trust list, you must define the list before the application can perform
certificate client authentication successfully. This ensures that the application
can validate only those certificates from CAs that you specify as trusted.
If users or a client application present a certificate from a CA that is not
specified as trusted in the CA trust list, the application will not accept
it as a basis for valid authentication.</p>
<p>When you add a CA to the trust
list for an application, you must ensure that the CA is enabled as well.</p>
<p>To
define a CA trust list for an application, follow these steps: </p>
</div>
<ol><li class="stepexpand"><span><a href="rzahurzahu66adcmstart.htm#rzahu66a-dcm_start">Start
DCM</a>. </span></li>
<li class="stepexpand"><span>Click <span class="uicontrol">Select a Certificate Store</span> and select <span class="uicontrol">*SYSTEM</span> as
the certificate store to open. </span> <div class="note"><span class="notetitle">Note:</span> If you have questions about
how to complete a specific form in this guided task, select the question mark
(<span class="uicontrol">?</span>) at the top of the page to access the online help. </div>
</li>
<li class="stepexpand"><span>When the Certificate Store and Password page displays, provide
the password that you specified for the certificate store when you created
it and click <span class="uicontrol">Continue</span>.</span></li>
<li class="stepexpand"><span>In the navigation frame, select <span class="uicontrol">Manage Applications</span> to
display a list of tasks.</span></li>
<li class="stepexpand"><span>From the task list, select <span class="uicontrol">Define CA trust list</span>.</span></li>
<li class="stepexpand"><span>Select the type of application (server or client) for which you
want to define the list and click <span class="uicontrol">Continue</span>. </span></li>
<li class="stepexpand"><span>Select an application from the list and click <span class="uicontrol">Continue</span> to
display a list of CA certificates that you use to define the trust list. </span></li>
<li class="stepexpand"><span>Select the CAs that the application will trust and click <span class="uicontrol">OK</span>.
DCM displays a message to confirm your trust list selections.</span> <div class="note"><span class="notetitle">Note:</span> You
can either select individual CAs from the list or you can specify that the
application will trust all or trust none of the CAs in the list. Also, you
can view or validate the CA certificate before you add it to the trust list.</div>
</li>
</ol>
<div class="section"></div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzahurzahu444worksecureapps.htm" title="This topic provides information about creating application definitions and how to manage an application's certificate assignment. You can learn about defining CA trust lists that applications use as the basis of accepting certificates for client authentication.">Manage applications in DCM</a></div>
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