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                Date: 2002-01-27
                 
                 
                Krypto: Attacke auf AES
                
                 
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      Ein Mathematiker aus Luxemburg hat  den DES mit einer neuen Kombination  
aus AI und heuristischen Methoden offenbar so erfolgreich angegriffen, dass  
er sich nun mit bessserem Equipment an den neuen Standard AES  
[Rijndael] wagt. 
 
Die Ergebnisse werden vollständig einer öffentlichen Stiftung zugeführt,  
schreibt Professor Zeihen, der in Folge eines Zeitungsartikels zu viele  
Anfragen von Beinahe-Crackern und Warez Kids kriegt. 
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compiled by Peter Kuhm 
q/depsche subscriber might be interested in this: 
On krypto@thur.de, a german mailing list dedicated to discussions regarding  
social consequences of cryptology, Thomas Roessler recently points toward  
this .lu - newspaper article in german language: 
 
-> http://www.wort.lu/articles/bit_byte_1954891.htm
                   
 
|Grundlagenforschung Made in Luxemburg 
use this [URL at the bottom] for a very rough, babelfishy translation: 
 
| Basic research [made] in Luxembourg | | Pascal Zeihen, professor for  
mathematics and computer science at the "Lycée | classique" in Diekirch,  
developed a new procedure for the decoding of data, | which could have  
extensive following within the areas of data security and | artificial intelligence  
[..] 
 
krypto@ list maintainer Lutz Donnerhacke with a keen interest to learn more  
about Prof. Zeihen's claim contacted him by e-mail and here are some  
snippets of his first reply: 
 
"The articles in the Luxembourgian newspapers are based on an internal  
document submitted to the CRP-GL, that describes my recent works in  
cryptology and my current research area.  As long as no official publication  
has been finished and approved by our Government, I cannot send you  
details about the algorithms." 
 
"But I confirm that new methods based on Artificial Intelligence allow fast  
attacks on block-cipher algorithms." 
 
"I tested the procedure with DES, and I hope to get the necessary computer  
equipment soon, in order to apply it to AES and to develop efficient protection  
software against the new attacks." 
 
here is more recent "final" follow-up: 
 
===SNIP=== Date: Fri, 25 Jan 2002 10:50:21 +0100 From: Lutz  
Donnerhacke <lutz@iks-jena.de> To: krypto@thur.de Subject: Final  
Message to all people interested in DES 
 
----- Forwarded message from Pascal ZEIHEN <pascal.zeihen@ci.educ.lu> --- 
-- Good morning, 
 
I have been abroad for a week and now I find hundreds of messages about  
DES in my mailbox.  Here is some useful information: 
 
* My approach to break block-cipher algorithms is based on AI and  
heuristical methods.  Its first implementation works only if the plaintext  
verifies certain special conditions (about length, entropy, data layout).   
Unfortunately, such essential details are not described in newspaper articles. 
 
* A first test series took place on December 13, 2001, in the grammar high  
school in Diekirch, where the required computer equipment was available.   
The tests were successful, and the applied procedure was approved by  
mathematicians, computer scientists and a notary.  As suggested by some  
people, future test series will also include foreign experts to be chosen and  
invited to Luxembourg by the Foundation described below. 
 
* For privacy reasons, all my research work related to the DES project will be  
transferred to a Foundation.  After it has started its work, you will find  
information about it on the web. 
 
* I am a mathematician, not a hacker; I do not "crack" data for people I do  
not personally know. Please do not send any more copy-protected games  
(software protection has nothing to do with DES!!), test data, questions or  
suggestions to my private address.  Thank you. 
 
Kind regards,  
 
Pascal ZEIHEN <pascal.zeihen@ci.educ.lu>  
 
A translation 
http://w3.systranlinks.com/systran/cgi?partner=SystranSoft-
                   
en&f=2&lp=de_en&url=http://www.wort.lu%2Farticles%2Fbit_byte_1954891.ht
                   
m 
 
 
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edited by Harkank 
published on: 2002-01-27 
comments to office@quintessenz.at
                   
                  
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