[8283] in cryptography@c2.net mail archive
Re: UK Sunday Times: "Steal the face right off your head"
daemon@ATHENA.MIT.EDU (Ray Dillinger)
Fri Dec 15 22:17:49 2000
Date: Thu, 14 Dec 2000 17:51:22 -0800 (PST)
From: Ray Dillinger <bear@sonic.net>
To: Jaap-Henk Hoepman <hoepman@cs.utwente.nl>
Cc: cryptography@c2.net
In-Reply-To: <kphf48rzu4.fsf@utip202.cs.utwente.nl>
Message-ID: <Pine.LNX.4.21.0012141749500.14678-100000@bolt.sonic.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
On 13 Dec 2000, Jaap-Henk Hoepman wrote:
>According to these experts, any method for detecting gloves, dead fingers
>etc. cannot be made very reliable because the variation of the physical
>properties whose measurement these systems rely on is very large. Increasing
>the reliability would also increase the false rejection ratio, making the
>systems unusable.
Last time I had to use such a system, It considered my
fingertip "dead or artificial" and refused to open.
Side effect of having very thick dry skin that's not very
conductive electrically.
Bear
