How does openId authentication works ?

Posted by Biswanath on Stack Overflow See other posts from Stack Overflow or by Biswanath
Published on 2008-12-09T19:16:31Z Indexed on 2010/06/07 8:42 UTC
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authentication

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openid

Hi,

I am little curious to know about how the openId works.
And is there any difference between the openId authentication and the authentication which the sites use exclusively for themselves?

Thanks.

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