[17442] in cryptography@c2.net mail archive
Re: "Retailers Experiment With Biometric Payment" article
daemon@ATHENA.MIT.EDU (Adam Shostack)
Thu Jun 9 12:18:18 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Thu, 9 Jun 2005 12:02:20 -0400
From: Adam Shostack <adam@homeport.org>
To: "Heyman, Michael" <Michael.Heyman@sparta.com>
Cc: cryptography@metzdowd.com
In-Reply-To: <87CDEF0BA329934CB1B2A156A90BBF1205BDE9@coyote.columbia.ads.sparta.com>
On Thu, Jun 09, 2005 at 11:17:59AM -0400, Heyman, Michael wrote:
| From
| <http://www.washingtonpost.com/wp-dyn/content/article/2005/06/08/AR20050
| 60802335_pf.html>:
| share its biometric data with government agencies, and
| in fact, the full fingerprints are not stored in the
| system. Instead, a complex mathematical algorithm is
| created to represent identifying characteristics of
| the fingerprint, which are matched to the real thing
| when a user shows up at a checkout counter.
|
| No discussion on the threat of finger removal...
|
Has anyone ever studied the reversability of these algorithms? It
seems to me that you could make some plausible guesses and generate
fingerprints from certain representations. I don't know how likely
those guesses are to be right.
Adam
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