A list of websites dealing with ciphers and cryptography


http://www.richkni.co.uk/php/crypta/index.php

http://demonstrations.wolfram.com/HillCipherEncryptionAndDecryption/

Science Year's Page on Spies, Codes and Ciphers
    http://www.scienceyear.com/outthere/index.html?page=/outthere/spy/index.html
    Learn how to send secret messages.Also, a site on code making and breaking.
 
Tales of the Encrypted (1999 ThinkQuest Project) 
    http://library.thinkquest.org/28005/flashed/index2.shtml
    This website explains the importance, uses, and historical context of cryptography.
 
Data Encryption (1999 ThinkQuest Project) 
    http://library.thinkquest.org/27158/
    This website covers various aspects of data encryption across both local networks and the Internet. 
 
Secret Code Breaker
    http://codebreaker.dids.com/
    Information on cracking secret codes and ciphers.
 
Several More Websites
Cryptography
    http://www.ridex.co.uk/cryptology/
    This is a student page with many links introducing the history and basic theories of cryptography
and cryptanalysis.
 
Cryptography 
    http://lor.cc.trincoll.edu/academics/departments/cpsc/cryptography/index.html
    This site covers several different types of encryption currently in use including Caesar and other substitution ciphers, Vigenere, Gronsfeld, Enigma, Public Key encryption (RSA), and Pretty Good Protection (PGP).
 
Introduction to Cryptography 
    http://www.ssh.fi/tech/crypto/intro.html
    This page provides an introduction into various cryptographic techniques.
 
Morse Code and the Phonetic Alphabets 
    http://www.soton.ac.uk/~scp93ch/refer/alphabet.html
    Here you find a complete Morse Code directory including punctuation.
    Related Websites:
    2) Morse Code Translator (Boy Scouts of America) http://www.bsa.scouting.org/fun/morse/index.html
    This tool converts written text to Morse Code and also can convert Morse Code to written text.
    3) Morse Code and Phonetic Alphabets http://www.soton.ac.uk/~scp93ch/morse/ 
    4) Morse Code Letters http://www.happychild.org.uk/ifs/00003mrs.htm
    5) WWW Morse Code Generator http://www.proximity.com.au/~tom/morsecodes.html
    6) The First Digital code.........International Morse Code http://pages.prodigy.com/MNPM98A/cw.htm
 
National Cryptologic Museum 
    http://www.nsa.gov/museum/tour.html
    Here visitors can glimpse some of the people who devoted their lives to cryptology and national defense, the machines they built, the techniques they used, and the places where they worked.
 
Secret Code Breaker 
    http://codebreaker.dids.com
    This website has short articles on codes throughout history, Java-based cipher programs to try, and an online version of the Secret Code Breaker program.