Web Links for Chapter 5

Pages 188 and 205, Euclidean Algorithm

Help is available at the University of Tennessee-Martin site http://www.utm.edu/research/primes/glossary/EuclideanAlgorithm.html. An interactive version of the Euclidean algorithm is available at http://www.math.umn.edu/~garrett/js/gcd.html. A biography of Euclid is at http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Euclid.html.

Page 192, Representations of  Integers

Information on decimal, octal, and hexadecimal numbers systems is available at the sites http://www.danbbs.dk/~erikoest/decimal.htm, http://www.danbbs.dk/~erikoest/octal.htm, and http://www.danbbs.dk/~erikoest/hex.htm.

Page 215, RSA Public-Key Cryptosystem

A good explanation of public-key cryptology can be found at http://www.rsasecurity.com/rsalabs/node.asp?id=2165.