[IP] FINAL comment on Master Key Copying Revealed (Matt Blaze of ATT Labs)

[Dave Farber <dave@farber.net>]

------ Forwarded Message
From: "Robert M. McClure" <rmm@unidot.com>
Date: Sat, 25 Jan 2003 11:13:52 -0700
To: dave@farber.net
Subject: Re: [IP] comment on Master Key Copying Revealed (Matt Blaze of ATT
Labs)

At 12:58 PM 1/24/03 -0500, you wrote:
>Date: Thu, 23 Jan 2003 09:31:36 -0500 (EST)
>From: Donald Eastlake 3rd <dee3@torque.pothole.com>
>To: Dave Farber <dave@farber.net>
>Cc: interest@pothole.com
>Subject: [interest] Re: [IP] Master Key Copying Revealed (Matt Blaze of ATT
>Labs)
>
>I've never seen such a ridiculously overhyped teaser article about a
>very simple 150 year old weakness.

It's actually a little easier than Eastlake explained, since the master cut
cannot be within one level of the individual cut since that would make the
slice of pin between the two cuts too thin for reliability.  If you can get
your hands on more than one individual key (easy in the case of a hotel)
the possibilities can be quickly reduced to only a few.  This is, as
Eastlake
said, very old information.

Bob McClure



------ End of Forwarded Message

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