alt Hacker NewsI heard a rumor that NSA suggested changes to DES encryption that strengthened it from differential cryptanalysis attacks that the public cryptologists weren't aware of yet.
I heard a rumor that NSA suggested changes to DES encryption that strengthened it from differential cryptanalysis attacks that the public cryptologists weren't aware of yet.
That isn't a rumor? It's a pretty well documented fact that the NSA was involved in the design of DES and that the magic numbers that people initially assumed were a back door of some sort turned out to make differential cryptanalysis more difficult than randomly chosen ones would have.