Active Identity Clients (AICs) for OpenID

November 10, 2009 § Leave a comment

“Enough is enough! I have had it with these #@%!*$ AICs and their #@%!*$ panes” — Samuel H.S. “Hammer Stack” Jackson (with apologies to Neville Flynn)


The OpenID community is still wrestling with how to deliver a first-time login experience that is acceptable to mainstream users. Research indicates we need something less open-ended than typing into a blank URL field, but neither is it desirable to push users to choose from a few (or worse, many) pre-selected identity provider logos.

One approach for solving this problem is called (for lack of a better term) the Active Identity Client, or AIC (similar to what I previously called a Chamberlain). An AIC boostraps the identity selection process at a new website (aka Relying Party, or RP) by storing some amount of identity information on the user’s home computer. The AIC uses that identity to access a persistent record of the user’s interaction with multiple sites and identity providers (IdPs) to negotiate and streamline future such interactions. This (in theory) allows the user, rather than the RP, to prioritize which providers to use.

A number of such AICs were demonstrated at last week’s Internet Identity Workshop. Rather than attempting to standardize on a single AIC, a group of us discussed developing a common infrastructure that might enable a broad spectrum of AICs to innovate and compete. Specifically, we attempted to identity conventions, best practices, and extensions to existing standards that would support both “native” and “in-browser” AICs.

This article is my idiosyncratic attempt to synthesize what we discussed into a coherent vision for Active Identity Clients. It may not fully reflect the opinions of any given participant, and certainly does not represent the views of our respective employers. Rather, it is a subjective snapshot of a still-evolving problem space, and is intended to provide a concrete starting point for further discussion, critique, and clarification. « Read the rest of this entry »

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