[157251] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: best way to create entropy?

daemon@ATHENA.MIT.EDU (Jonathan Lassoff)
Thu Oct 11 20:08:31 2012

In-Reply-To: <CAH_OBiffdqVmwspu9f2uzr_cqnExuA_sLp=d0QhOxQWzkSgOZA@mail.gmail.com>
Date: Thu, 11 Oct 2012 17:08:00 -0700
From: Jonathan Lassoff <jof@thejof.com>
To: shawn wilson <ag4ve.us@gmail.com>
Cc: North American Network Operators Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Thu, Oct 11, 2012 at 5:01 PM, shawn wilson <ag4ve.us@gmail.com> wrote:
> in the past, i've done many different things to create entropy -
> encode videos, watch youtube, tcpdump -vvv > /dev/null, compiled a
> kernel. but, what is best? just whatever gets your cpu to peak or are
> some tasks better than others?

Personally, I've used and recommend this USB stick: http://www.entropykey.co.uk/

Internally, it uses diodes that are reverse-biased just ever so close
to the breakdown voltage such that they randomly flip state back and
forth.

Cheers,
jof


home help back first fref pref prev next nref lref last post