url-based identity with openid

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Simon Willison / simonwillison.net Being-Digital 10th June 2008 URL-based identity with

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Slides from a seven minute OpenID in a nutshell presentation at the Being-Digital conference, presented on the 10th of June 2008.

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Page 1: URL-based identity with OpenID

Simon Willison / simonwillison.net Being-Digital10th June 2008

URL-based identity with

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?Windows Live ID

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Centralised SSO betrays the principles of the Web

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OpenID is a decentralisedmechanism for SSO

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With OpenID 2.0, you just have to specify your provider

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OpenID lets you prove that you own a given URL

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last.fm

Upcoming

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Common misconceptions

• OpenID complements your existing user database; it doesn’t replace it

• Spammers have OpenIDs too! You still need to take your own measures to verify the morality of your users

• Having your eggs in one basket means you can take extra steps to protect that basket

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Hardware tokens

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