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SubjectRe: [PATCH 00/11] random: code cleanups
On 11/12/2013 08:37 PM, Greg Price wrote:
> I'm thinking only of boot-time blocking. The idea is that once
> /dev/urandom is seeded with, say, 128 bits of min-entropy in the
> absolute, information-theoretic sense, it can produce an infinite
> supply (or something like 2^128 bits, which amounts to the same thing)
> of bits that can't be distinguished from random, short of breaking or
> brute-forcing the crypto. So once it's seeded, it's good forever.

And, pray tell, how will you know that you have done that?

Even the best entropy estimation algorithms are nothing but estimations,
and min-entropy is the hardest form of entropy to estimate.


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