On Tue, Jul 23, 2013 at 10:04 AM, KPJ <[1]kpj@sics.se> wrote:

     A sound card in your box then can deliver random numbers.
     You may wish to look into this:
     [2]http://www.guyrutenberg.com/2010/05/14/audio-based-true-random-nu
     mber-generator-poc/
     This may also interest you;
     [3]http://www.volkerschatz.com/science/audiorng.html

   For Debian-based Linux distros, e.g. Ubuntu, this is automated by the
   "randomsound" package:
   [4]http://packages.debian.org/wheezy/randomsound
   sudo apt-get install randomsound
   There's also audio-entropyd, but I haven't used that:
   [5]http://www.vanheusden.com/aed/
   He has links to other entropy generators.

References

   1. mailto:kpj@sics.se
   2. http://www.guyrutenberg.com/2010/05/14/audio-based-true-random-number-generator-poc/
   3. http://www.volkerschatz.com/science/audiorng.html
   4. http://packages.debian.org/wheezy/randomsound
   5. http://www.vanheusden.com/aed/