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Re: [Cryptography] An alternative electro-mechanical entropy source

daemon@ATHENA.MIT.EDU (Jeff Simmons)
Fri Dec 13 17:05:36 2013

X-Original-To: cryptography@metzdowd.com
From: Jeff Simmons <jsimmons@goblin.punk.net>
To: "Phillip Hallam-Baker" <hallam@gmail.com>
Date: Fri, 13 Dec 2013 12:46:33 -0800
In-Reply-To: <CAMm+Lwi=WKo9SnEroHGSH3dpcoYWDOAAq8Sb4_6Wq33VyhN7kQ@mail.gmail.com>
Cc: Cryptography <cryptography@metzdowd.com>
Reply-To: jsimmons@goblin.punk.net
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com

On Friday, December 13, 2013 11:14:33 am you wrote:
> I think we should go quantum.
> 
> Take a really low intensity light source, stop it down to a single photon
> and put it through a mirror with 50% transmission with detectors for both
> transmission and reflection.
> 
> To remove bias from the mirror, read pairs of bits and reject them if they
> are the same and take the first bit as the output bit otherwise.
> 
> There is a literature on this stuff.

Radioactive decay. Just check on the cat.

-- 
Jeff Simmons                                           jsimmons@goblin.punk.net
Simmons Consulting - Network Engineering, Administration, Security
"You guys, I don't hear any noise.  Are you sure you're doing it right?"
        --  My Life With The Thrill Kill Kult
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