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This document is a product of the Universal Login Experience Work Group. It records the requirements for the user experience based on scenarios and use cases.


This document is currently under active development. Its latest version can always be found here. See the Change History at the end of this document for its revision number.

  • Paul Trevithick
Intellectual Property Notice

The Universal Login Experience Work Group operates under Option Liberty and the publication of this document is governed by the policies outlined in this option.

Table of Contents

Account Discovery/Knowledge

For any given account (e.g. a Google OpenID) three orthogonal, boolean conditions exist:

  • User may or may not have an account (e.g. may or may not have an account on Google, or Ohio State, etc.)
  • User either (info) has an add-on that knows that the user has this account or (ii) has an unmodified browser (or the add-on has no knowledge that the user has the account)
  • The RP may or may not trust the account
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