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POCommon Access Card (CAC) Authentication Using Java
 

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    <p>I'm bascially looking for someplace to start learning how to interface with a government CAC card using java.</p> <p><strong>Ultimately, my goal is to find out how to use CAC card authentication (by PIN number) to authorize access to a website hosted using a Tomcat/J2EE server.</strong></p> <p>But I'll need somewhere to start. So I figure I'd start by writing a small java program to simply read the CAC card information from the CAC card which is inserted into a card reader on my keyboard (DELL keyboard with CAC reader above the numeric keypad).</p> <p>By searching google, I found the <strong>cacard</strong> java project (<a href="https://cacard.dev.java.net/" rel="noreferrer">https://cacard.dev.java.net/</a>) which was replaced by the <strong>OpenSSO</strong> project. But I can't seem to find sample code of how to use it to connect to a card, read from a card, etc.</p> <p>Does anyone know where I can find some sample code so that I can start learning how to interact with a CAC card using java?</p> <p>Thanks</p> <p>EDIT:</p> <p>After researching more, I was thinking, would I be able to just set <code>clientAuth="true"</code> in the connector element in the <code>server.xml</code> file? </p> <p><a href="http://tomcat.apache.org/tomcat-6.0-doc/ssl-howto.html" rel="noreferrer">http://tomcat.apache.org/tomcat-6.0-doc/ssl-howto.html</a> </p> <p>clientAuth: Set this value to true if you want Tomcat to require all SSL clients to present a client Certificate in order to use this socket.</p>
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    1. CO"We would like to ensure that the user has to renter their PIN to access the one of our browser-based applications. Is there a way to "deauthenticate" the user so that they have to authenticate again?" Maybe close the socket on the server side so that the connection has to be re-established?
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    2. COPaul, I want to do almost the exactly what you did. I know nothing about these devices and I am starting from square one. Would you care to post the code you used for a solution -- with the sensitive information redacted out/obscured? Thanks either way. Happy Friday. Steve
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