[147160] in cryptography@c2.net mail archive
Re: [Cryptography] Radioactive random numbers
daemon@ATHENA.MIT.EDU (Dave Horsfall)
Mon Sep 16 17:40:23 2013
X-Original-To: cryptography@metzdowd.com
Date: Tue, 17 Sep 2013 07:16:37 +1000 (EST)
From: Dave Horsfall <dave@horsfall.org>
To: Cryptography List <cryptography@metzdowd.com>
In-Reply-To: <20130913081349.GQ10405@leitl.org>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
On Fri, 13 Sep 2013, Eugen Leitl wrote:
> > Given that there is One True Source of randomness to wit radioactive
>
> What makes you think that e.g. breakdown oin a reverse biased
> Zener diode is any less "true" random? Or thermal noise in a
> crappy CMOS circuit?
It was a throw-away line; sigh... The capitals should've been a hint.
And yes, I know about crappy CMOS circuits; I've unintentionally built
enough of them :-)
> In fact, http://en.wikipedia.org/wiki/Hardware_random_number_generator#Physical_phenomena_with_quantum-random_properties
> listens a lot of potential sources, some with a higher
> rate and more private than others.
Thanks.
-- Dave, who must stop being subtle
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