Introduction To Cryptography

Programs

Useful links:

• M187 Home Page
• Handouts

• Let's Make A Deal - Explanation of the Monty Hall paradox.
• Let's Make a Deal II - Experimental resolution of the paradox: the importance of knowing.
• Monkey Words - Generate random "text".
• Entropy - An experiment to calculate the entropy of the english language.
• Vigenere - A program that can encrypt/decrypt/break Vigenere encrypted messages.
• Rectangular Transposition -A program that can encrypt/decrypt/break rectangular transposition encrypted messages
• Monoalphabetic Substitution -A program that can encrypt/decrypt/break monoalphabetic encrypted messages
• Monoalphabetic Substitution (Metropolis algorithm version) - A program that can encrypt/decrypt/break monoalphabetic encrypted messages

These programs are written in Java: you cannot use them with an antique browser.