Re: Solitaire ?

From: John E. Hadstate (nospam_at_null.nil)
Date: 08/31/03 

Date: Sun, 31 Aug 2003 10:51:22 -0400

"Nomen Nescio" <nobody@dizum.com> wrote in message
news:9cf439256e77a18b91a2e89ba98569b6@dizum.com...
> Hello All,
> I need a manual cryptographic algorithm for use where computers are a
> no-no.

1. What is acceptable? Is it acceptable to require a computer on the
receiving end to decrypt the message? Can the sender carry a "crib ***"
to help with calculations? Is pencil and paper allowed for intermediate
results or do the calculations have to be performed mentally?

2. What is the threat model?

3. How fast (word per minute) does it need to be?

4. How big is the alphabet you want to process?