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> I don't think hiring an ex-Apple dev would let you get the needed sbox That'd probably depend on which team the dev worked in. If they were in the right tea

• mike_hearn 3y ago
  What I mean is that (assuming the sbox values are actually random) you couldn't memorize it short of intensive study and practice of memory techniques. If the "sbox" is in reality some easily memorizable function then maybe, but even then, how many people can remember long hex values from their old jobs?
  • justinclift 3y ago
    Two points: a) If a person is using those values daily for years (or even a couple of months), then it's very likely they'd have memorized them b) Sometimes just knowing the concept exists for sure is good enough, as you can then go and brute force things until you've worked out the values
  • raverbashing 3y ago
    But having predictably generated sequence of numbers is what cryptographers prefer https://en.wikipedia.org/wiki/Nothing-up-my-sleeve_number https://en.wikipedia.org/wiki/Nothing-up-my-sleeve_number