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hardware RNG

To: Juan Garofalo <[email protected]>
Subject: hardware RNG
From: [email protected] (Jon Callas)
Date: Wed, 11 Sep 2013 08:17:28 -0700
Cc: [email protected]
In-reply-to: <[email protected]>
References: <[email protected]>

On Sep 9, 2013, at 12:32 PM, Juan Garofalo <[email protected]> wrote:

> very naive question here : 
> 
> Wouldn't it be possible to build a RNG using something like a zener diode and a $2 microcontroller? 

Yes. If you took noise off of a diode or even a resister and just threw it into Yarrow, you'd have a very nice thing.

The biggest problem with building good random number generators is that it's harder than you think on first glance and easier than you think on third glance.

	Jon

References:
- hardware RNG
  - From: [email protected] (Juan Garofalo)

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