Re: R: True random numbers wanted

From: Eugen Leitl (eugen@leitl.org)
Date: Sun Sep 01 2002 - 12:35:51 MDT


On Sun, 1 Sep 2002, Charles Hixson wrote:

> Well, you could take a feed from a geiger counter. That's pretty

I don't think it's any more random than noise from a turbulent airstream.
I think the larger the region the noise is coming from, the better.

> random. Or you could build an old tube amplifier, and drive the gain
> high enough to start getting noise on a null input.

In a sense, this is what Intel RNG is doing. Assuming, one can trust the
description (I don't).
 
> Without knowing your purpose, it's hard to guess just how much effort you are
> willing to go to, and what distribution of values you need. You'd design a

I don't want a distribution of values, just entropy (which I might or
might not destill). All the rest is cryptohash's work.

> system differently to pick up a normal distribution or a binary choice even
> though one could be used to model the other.



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