Introduction to Cryptography Applets

• Monoalphabetic Substitution - A program that can encrypt/decrypt/break monoalphabetic encrypted messages.
• Rectangular Transposition - A program that can encrypt/decrypt/break rectangular transposition encrypted messages.
• Vigenère - A program that can encrypt/decrypt/break Vigenère encrypted messages.

Credits: Adriano Garsia, David Little, William Simpon, and various graduate students.