Comment on Intel In Bed with NSA?parentComments−jpdoctor13yalso made DES more resistent to differential cryptanalysisWas 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.−ReidZB13yCorrect. 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-de...−jpdoctor13yVery interesting, and not exactly news, which tells you the last time I looked at this. Obviously, I'm a dinosaur.Thanks for the pointer.
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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.
Correct. 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-de...
Very interesting, and not exactly news, which tells you the last time I looked at this. Obviously, I'm a dinosaur.
Thanks for the pointer.