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Originally Posted by johndallman
The full explanation...
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Yes, that does sound like straight-up Cryptography.
Quote:
Originally Posted by RogerBW
In fact I would argue that TL(n) cryptanalysis normally can't defeat TL(n) cryptography in useful time... because if it can then people won't use that cryptography in the first place.
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I'd agree, with the caveat that it's more like "believed that cryptanalysis can't defeat". (My earlier objection was to the point that was statement implied the other, not that this particular assumption isn't reasonable.) This is particularly true in the current era, where there's a lot of emphasis on widespread public review of algorithms in the hopes of getting people to have to insights that allow the system to be broken. But there are still a lot of secret-keepers.
And in RPG terms, the skill has to allow all those cinematic hackers that can just somehow break codes even if they're not singular mathematicians.