OpenID – Part III – PingPong | Ascription is an Anathema to any Enthusiasm

That drawing is, hopefully, an illustration of how OpenID allows a site, Steve, to authenticate a user, Alice. Steve asks Alice for here OpenID URL and Alice reveals that. Steve uses that to fetch the associated page, hosted at Bob’s. Information on that page tells him about Alice. For example that page could be Alice’s blog, or home page, or even just her public account. To be sure that Alice’s c

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OpenIDのdiagram