Hi Ben,
> > I have always been suprised about the (apparently) few attention
> > that identity management has attracted on the Internet.
>
> Those who have looked at it have found it a harder problem than they
> expected.
How's Plan 9's `factotum and secstore' weigh up?
http://maht.dotgeek.org/plan9/factotum.html
Cheers,
Ralph.