[117014] in Cypherpunks
Re: On Resisting the Jackbooted Thugs
daemon@ATHENA.MIT.EDU (William Hugh Murray)
Wed Aug 25 07:11:14 1999
Message-ID: <37C3CAC9.A220E3D@sprynet.com>
Date: Wed, 25 Aug 1999 06:51:53 -0400
From: William Hugh Murray <whmurray@sprynet.com>
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To: Lucky Green <shamrock@cypherpunks.to>
CC: cypherpunks@cyberpass.net
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Lucky Green wrote:
>
> William Hugh Murray wrote:
> > Assuming that the biometric is
> > implemented in such a way as to resist replay, getting sufficient
> > information to forge the biometric without your knowledge may be
> > particularly irksome.
>
> At CCC Camp, see http://www.ccc.de/camp/update.html for some trip reports, I
> watched somebody bypass a fingerprint scanner with nothing but candle wax, a
> cigarette paper, and spit. Admittedly, that's the low end. Still, I have yet
> to see a fingerprint scanner that can't be fooled using less than $50 in
> parts and a few hours of time. Only two times five minutes of these hours
> have to be spent in the vicinity of the scanner. Many other biometric
> authentication methods are worse. Only a few are better.
>
> Have fun,
> --Lucky
I almost left out the assumption. Replay is the weakness of many
biometric implementations. When I challenge salesmen, I often get the
impression that it is the first time they have heard the idea.
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