CS 5950 Computer Security and Information Assurance Spring 2007 Section 3 (Ch. 2, Part 1): Introduction to Cryptology Dr. Leszek Lilien Department of Computer.
1 Cryptography: Basics. 2 Outline Classical Cryptography –Caesar cipher –Vigenère cipher –DES Public Key Cryptography –Diffie-Hellman –RSA Cryptographic.
ITIS 3200: Introduction to Information Security and Privacy