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Do you think that the technique of using the last 4 bits to choose a further pseudorandom 31 bits from the rest of the hash MIGHT mitigate SOME future weakness
by jrootabega 2y ago
Do you think that the technique of using the last 4 bits to choose a further pseudorandom 31 bits from the rest of the hash MIGHT mitigate SOME future weakness as a PRNG? Or do you have confidence it is completely useless? Or neither, of course.
- matthewdgreen 2y agoI think it's weird. Either you trust your output to be pseudorandom or you don't. These weird hacks may be fine, but they feel like adding "safety" duct tape onto the wings of a passenger jet.
- pedvide 2y agoNot sure if you are aware of speed tape https://en.m.wikipedia.org/wiki/Speed_tape https://en.m.wikipedia.org/wiki/Speed_tape Passenger jets can fly with duct tape on their wings
- matthewdgreen 2y agoI meant it more as a "this should hold the wings on just in case they're not well fastened" kind of analogy.