1. 1. Introduction
2. 2. Classical Cryptography
3. 1. 2.1. Caesar Cipher
   2. 2.2. Vigenère Cipher
4. 3. Modern Cryptography
5. 1. 3.1. Symmetric Key Cryptography
   2. 3.2. Public Key Cryptography
6. 4. Elliptic Curve Cryptography
7. 1. 4.1. Mathematical Foundations
   2. 4.2. Pairing-Based Cryptography
8. 5. Cryptographic Protocols
9. 1. 5.1. Key Exchange
   2. 5.2. Digital Signatures