Protocol diagram of OpenID

Rasqual Twilight oid at
Thu Oct 27 04:19:30 PDT 2005

I found the chart helpful to clear ideas, thank you.

However, the immediate mode is not mentioned after
  U-A ---I,C,n,t (no h)--> S
i.e. how check_authentication works.

Also you don't show what happens when checkid_setup
fails with cancel and there is no mention of the plaintext
transmission of lowercase k.

This is a good start though.



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