anonymous age credentials, sharing of

[watson at tds.com]

Did anybody see the movie Demolition Man?  Biometrics were "hacked" 
there.  I guess it's hard to be sure, but it seems something in your 
brain is tougher to extract than a finger or an eyeball.  The texts say a 
combination is a good idea.

On Fri, 16 Feb 1996, E. ALLEN SMITH 
wrote:

> From:	IN%"samman-ben at CS.YALE.EDU"  "Rev. Ben" 15-FEB-1996 20:05:34.89
> 
> >The only REAL way of authentication is biometrics.  Anything else can be 
> >swapped.  But if you amputate someone's hand or retinas then they won't 
> >work(check for things like blood flow, etc.)
> 
> 	Actually, a simulation ought to work pretty well at fooling most extant
> devices, and any devices likely to be developed soon. Now, fooling the guards
> watching you at a secure site may be a problem (a hand up your sleeve?), as
> may getting someone else's biometric information in the first place. The
> latter gets into the area of cryptography since whoever has such information
> (other than the original possessor) is likely to hash it anyway.
> 	-Allen
>