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Re: using white noise for cryptography



On Fri, Mar 14, 2003 at 09:23:38AM -0600, Kirk Strauser wrote:
> At 2003-03-14T00:50:17Z, Henrique de Moraes Holschuh <hmh@debian.org> writes:
> 
> > And do _not_ overestimate the randomness of your noise. That will weaken
> > your random generator a lot.
> 
> I'm not sure I follow.  How would adding an entropy source weaken the
> system's randomness?  Even if the audio input were a perfect sine wave,
> would adding that into the mix result in sin()+random?

Adding predictable data does no harm. The problem is adding predictable data,
_and_ telling the RNG that the data is random.

Frank
> -- 
> Kirk Strauser
> In Googlis non est, ergo non est.
> 
> 
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