Contents: Chapter 1: Overview of Cryptography 1.1. Introduction 1.2. Information Security and Cryptography 1.3. Background of Functions 1.4. Basic Terminology and Concepts 1.5. Symmteric-Key Encryption 1.6. Digital Signature 1.7. Authentication and Identification 1.8. Public-Key Cryptography 1.9. Hash Function 1.10. Protocols and Mechanisms 1.11. Key Establishment, Manageā¦