Something that was always fishy...
Posted Aug 19, 2004 7:30 UTC (Thu) by
barryn (subscriber, #5996)
In reply to:
Something that was always fishy... by ncm
Parent article:
Crypto researchers abuzz over flaws (News.com)
No, (s)he isn't smoking crack. While the NSA shortened the key length, they also changed DES to be resistant to differential cryptanalysis, well over a decade before differential cryptanalysis was discovered by anybody in the general public. (BTW, differential cryptanalysis is the basis of the attacks now being conducted against all these hash functions.)
Look at this Wikipedia article, particularly the "NSA's involvement in the design" section:
http://en.wikipedia.org/wiki/Data_Encryption_Standard
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