>
https://en.wikipedia.org/wiki/Gilbert_Vernam What if a challengable
> document, call it "A", is essentially split up into two: Take random (or
> pseudorandom) string, the length of document "A", call it "B", is XOR'd
> (exclusive-or'd) with "A", and the result we will call "C", of the same
> length as "A" and "B". Then, instead of having document "A" stored, store
> both "B" and "C", but maybe not on the same storage nodes. Basically, an
> implementation of a one-time pad. Or, instead of merely two strings, this
> could be expanded, in principle, to any number.
> The purpose of this is not to conceal the ultimate information, but to split
> up that information so that no one operator of a storage node contains
> enough information that arguably violates the law in the jurisdiction he
> happens to be at. WIll this work? Laws can be changed, but it would be
> difficult for a law to prohibit someone from possessing data that could
> conceivably be combined with some other information, somewhere, in order to
> regenerate some banned document "A".
There was something called OFFSystem ...