GCHQ Challenge

[InfoSec News <isn () C4I ORG>]

---------- Forwarded message ----------
Date: Fri, 01 Dec 2000 12:01:39 +0000
From: Markus Kuhn <Markus.Kuhn () cl cam ac uk>
To: "Nathan, Adam" <Adam.Nathan () sunday-times co uk>
Cc: security-research () cl cam ac uk, cryptography () c2 net,
     ukcrypto () chiark greenend org uk, simmo () ecn purdue edu
Subject: GCHQ Challenge

For those who haven't managed yet to solve the new GCHQ crypto
challenge on

  http://www.gchq.gov.uk/challenge.html

I have quickly written up the solution we found yesterday on

  http://www.cl.cam.ac.uk/~mgk25/gchq-challenge.html

As GCHQ is surely able to log and trace accurately who accesses the
above URL on our server, it would be best not to look at it if you
want to apply and impress their recruiters with finding your own
solution.

Markus

--
Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK
Email: mkuhn at acm.org,  WWW: <http://www.cl.cam.ac.uk/~mgk25/>

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