article: DES strength against attacks
Allen J. Baum
baum at apple.com
Mon Jul 18 14:48:16 PDT 1994
"The Data Encryption Standard (DES)and its strength against attacks"
by D. Coppersmith in IBM J. or R&D, v38#3, May 1994 pp243-250
..in this paper, we examine one such attempt [to break DES], the method of
differential cryptanalysis.... we show some of the safeguards against
differential cryptanalysis that were built into the system from the
beginning.
Disclaimer: The present author participated in the design and test of DES,
particularly in the design of the S-boxes and in strengthening them against
differential cryptonalysis. Naturally , this author has strong opinions
about DES and its history. Any opinions in this paper are those of the
author and are not necessarily shared by IBM
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* Allen J. Baum tel. (408)974-3385 *
* Apple Computer, MS/305-3B *
* 1 Infinite Loop *
* Cupertino, CA 95014 baum at apple.com *
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