Re: encryption with pi

From: Andrew Swallow (am.swallow_at_eatspam.btinternet.com)
Date: 07/30/04 

Date: Fri, 30 Jul 2004 04:07:32 +0000 (UTC)

"Jeff Williams" <frostback@canada.com> wrote in message
news:aphOc.3553$tK5.16220@news1.mts.net...
[snip]
>
> I've never heard of anyone showing a pattern in the digits of PI (not to
> say there are no patterns). Assuming (big assumption) there is no
> discernable pattern, using a sequence of the digits of PI as a basis of
> (I hate to say it) an OTP MIGHT work.

No. Pi is a stream cipher not an OTP.

Once the other side know you are using PI they can
generate the sequence. This is the characteristic of
all PRNG. The key variable is just the start offset down
the list.

Andrew Swallow

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