[15591] in cryptography@c2.net mail archive
Re: Security clampdown on the home PC banknote forgers
daemon@ATHENA.MIT.EDU (Matthew Byng-Maddick)
Wed Jun 9 09:07:55 2004
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Date: Wed, 9 Jun 2004 11:54:04 +0100
From: Matthew Byng-Maddick <cryptography@lists.colondot.net>
To: cryptography@metzdowd.com
Cc: Steven.Murdoch@cl.cam.ac.uk
In-Reply-To: <017630AA6DF2DF4EBC1DD4454F8EE297161658@rsana-ex-hq1.NA.RSA.NET>
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On Tue, Jun 08, 2004 at 05:15:25PM -0400, Trei, Peter wrote:
> >From the original article:
> "The software relies on features built into leading
> currencies. Latest banknotes contain a pattern of
> five tiny circles. On the £20 note, they're disguised
> as a musical notation, on the euro they appear in a
[...]
Not just those, but see a friend's paper on this, presented to the
Information Hiding Workshop 2004:
http://www.cl.cam.ac.uk/users/sjm217/projects/currency/
MBM
--
Matthew Byng-Maddick <mbm@colondot.net> http://colondot.net/
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