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OpenID

Single Sign-on Writ Large. OpenID. What is OpenID ?. Open, Decentralized single sign on standard Allows users to use a single digital identity across multiple sites Identity is represented by a URL or XRI. Who Supports OpenID ?. Yahoo Google AOL VeriSign BBC Microsoft

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OpenID

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  1. Single Sign-on Writ Large OpenID

  2. What is OpenID? • Open, Decentralized single sign on standard • Allows users to use a single digital identity across multiple sites • Identity is represented by a URL or XRI

  3. Who Supports OpenID? • Yahoo • Google • AOL • VeriSign • BBC • Microsoft • LiveJournal.com • SourceForge.NET

  4. Brief History • Developed May 2005 by Brad Fitzpatrick while at LiveJournal • 1.o specification finalized March 2006 as part of the Yadis project • Major Industry players announce support for OpenID

  5. Glossary • End-user • Person seeking to assert identity to a site • Identifier • URL or XRI chosen by end-user • Identity Provider\OpenID Provider • Service provider who authenticates user and registers identifiers • Relying Party • Site seeking to authenticate End-user • Server\Server-Agent • Server verifying end-users identifier • User Agent • Program used to access Identity provider or relying party • eXtensible Resource Identifier (XRI) • Scheme and Resolution Protocol for Abstract compatible with URI’s

  6. Login Process • Video Explanation

  7. References • YouTube Video (http://www.youtube.com/watch?v=xcmY8Pk-qEk) • .NET Slave (http://blog.madskristensen.dk/post/OpenID-implementation-in-Csharp-and-ASPNET.aspx) • WikiPedia (http://en.wikipedia.org/wiki/OpenID) • OpenID.NET (http://openid.net/what/) • DotNetOpenID at Google Code (http://code.google.com/p/dotnetopenid/)

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