An Overview of Cryptography by Gary C. Kessler [e-book]
Forouzan ‘s Slides
Chapter 1: Introduction [chapt1]
Chapter 2: Mathematics Part 1 [chapt2]
Chapter 3: Traditional Symmetric [chapt3]
Chapter 4: Mathematics Part 2 [chapt4]
Chapter 5: Modern Symmetric [chapt5]
Chapter 6: DES [chapt6]
Extra Notes/Slides
Mini-AES by Phan