From: steve.benjamin@juno.com [mailto:steve.benjamin@juno.com]

1.  How can I generate 2 large prime numbers?  I doubt I could create 2, 100-digit prime numbers in my head :-)

For cryptographic purposes, you'll want to use a probabilistic test. Try reading through these links... http://www.utm.edu/research/primes/proving.html and... http://www.itl.nist.gov/div897/pubs/fip186.htm