> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
> Of William Chops Westfield
> Sent: 25 September 2006 03:38
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] Pseudo Random Number Generation
>
>
>
> On Sep 24, 2006, at 4:22 PM, M Graff wrote:
>
> > To trained cryptographers, you need true random and/or true
> > unpredictable state.
> >
>
> Pseudo-RN generators are the ones that repeat,
eventually but with sufficiant internal state the repetition can be put off
to the point several times the life of the universe so far, e.g. way too far
out to matter.

> and are predictable
> to greater or lesser extent.
if you know the seed value and the alogithm then yes but with a good design
working out the seed value from a sample of the output should not be
possible in any reasonable time.

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