3 ms·
> also made DES more resistent to differential cryptanalysis Was that the result of the last-minute "black box" change? I never heard the result of that, so a
by jpdoctor 13y ago
> also made DES more resistent to differential cryptanalysis
Was that the result of the last-minute "black box" change? I never heard the result of that, so any light you shed would be welcome.
- ReidZB 13y agoCorrect. The NSA suggested changes in the DES S-boxes, which led to many questions. Ultimately, what was discovered is that their changes strengthened DES, not weakened it, as some had feared. You can read more about their involvement here: http://crypto.stackexchange.com/questions/16/how-were-the-des-s-box-values-determined http://crypto.stackexchange.com/questions/16/how-were-the-de...
- jpdoctor 13y agoVery interesting, and not exactly news, which tells you the last time I looked at this. Obviously, I'm a dinosaur. Thanks for the pointer.