Instructor: Poorvi Vora, poorvi@gwu.edu, 706 Philips Hall.

Three lectures on cryptography were taught to the Network Administration Program students at Chantilly High School Academy in Spring 2007. These are the slides that were used.

Module I: Classical Cryptography Key

Module II: Block Ciphers

Module III: Public Key Cryptography

Module IV: Applications of security to problems in media: DRM and watermarking