Re: Generating a true random number?

[shipley () merde dis org (Evil Pete)]

> Another class of methods uses exogenous noise sources.  For example, if
> you have an audio input, feed it noise and use the LSBs of the audio
> stream.  Just a microphone in your office/lab should provide sufficient
> randomness.  A slightly better source is an FM radio receiver with muting
> off and tuned to no station.  For the truly paranoid, bias a semiconductor
> PN junction at the Zener point, amplify and digitize the noise, put a
> statistical monitor on it to make sure that the bit stream produced has
> the appropriate randomness, make several of these and XOR them together.

I have some code that uses the amp noise from the sound chip in my Sparc
if anyone wants a copy (or want to test it for me).   I wrote it
while I was plaing  with the sound chip on my sparc.


                -Pete