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.
-hpa
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