Python Random Number Generator for OTP

[Yan Zhu]

Has anyone tried using an entropy broker (see
https://lwn.net/Articles/546428/) for sharing entropy between devices on a
physical network? https://we.riseup.net/debian/entropy#entropy-key seems to
suggest that this is something that people do.


On Wed, Jul 24, 2013 at 11:56 PM, David Honig <dahonig at cox.net> wrote:

>
> > On Wed, Jul 24, 2013 at 7:27 PM, Andy Isaacson <adi at hexapodia.org>
> wrote:
> > > My /dev/random generates a few hundred kilobytes a day.  I exchange
> OTPs
>
>
> A long time ago I bought a geiger counter for crypto exploration.  Problem
> is, you can't buy rad sources strong enough to generate enough entropy
> (which is *still* subject to conditioning of course, despite the hype, and
> any way a GM tube will saturate..).  Even if you take your smoke detector
> apart and use an alpha-windowed tube.
>
> But a detuned FM radio card seemed to do quite well.  Admittedly, no white
> vans driving my amps.  Are these sources not supported as entropy
> sources?   (Pardon my linux randomness being out of date)
>
> Also, why u no trust Intel's RNG? :-)
>
>
>
>
> Physical otp key exchange can't be beaten... unless your correspondent
> is beaten..  silk burns clean, cyanide terminates the session
>
>
>
>
> "..trying to avoid sinning in the von Neumann sense.."
>
>
>
>
> **
>
> ** I wish to God these calculations could be done by a
> steam engine,” Babbage complained
>



-- 
Yan Zhu
http://web.mit.edu/zyan/www/
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