biometrics
Dan Geer
geer at world.std.com
Wed Feb 6 00:16:09 EST 2002
> In the article they repeat the recommendation that you never
> use/register the same shared-secret in different domains ... for
> every environment you are involved with ... you have to choose a
> different shared-secret. One of the issues of biometrics as a
> "shared-secret password" (as opposed to the interface between you
> and your chipcard) is that you could very quickly run out of
> different, unique body parts.
Compare and contrast, please, with the market's overwhelming
desire for single-sign-on (SSO). Put differently, would the
actual emergence of an actual SSO signal a market failure by
the above analysis?
--dan
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