About Introduction: What is Cryptography?

Secure Channel Establishment using TLS and Authenticated Key Exchange Schnorr Signatures in Discrete Log Cryptography Secure Multi-party Computation using Secret Sharing and RSA Threshold Signatures Secret Sharing Schemes in Cryptography Pseudo Random Function Security: Birthday Attacks and PRF Implies KR Computational Security Model: Atomic Primitives, Modular Composition, and Reductionist Security Proofs Symmetric Encryption Modes and IND-CPA Security Definitions Symmetric Encryption Modes for Authenticated Data in Cryptography Fair Coin-Flipping Protocol via Cryptographic Commitment Schemes: Hiding and Binding Pseudorandom Function Security via Distinguisher Advantage Games IND-CPA Security Proof and Birthday Attacks on CTR Mode Symmetric Encryption Digital Signatures using RSA Full Domain Hash and PSS in the Random Oracle Model Meet-in-the-Middle Attack on Double DES Block Ciphers Homomorphic Encryption: Symmetric vs. Asymmetric Schemes and Function Hiding Two-Party Secure Computation: Semi-Honest Security and Simulation-Based Privacy Computational Number Theory: Finding Primes and Group Generators for Discrete Log Cryptosystems Public Key Infrastructure: Certificate Authorities and Trust Chains Block Ciphers and DES Security: Permutation Families and Key Schedules Collision Resistance in Cryptographic Hash Functions Using Block Ciphers Diffie-Hellman Authenticated Key Exchange: Forward Secrecy and Password-Based Protocols Secret Sharing in Secure Multi-Party Computation Message Authentication Codes: Unforgeability, PRF Reduction, and Domain Extension Authenticated Encryption: Composition Methods (Encrypt-then-MAC) and Nonce-Based AEAD Diffie-Hellman Key Exchange: Discrete Logarithm and Computational Diffie-Hellman Hardness Identity-Based Encryption using Bilinear Pairings Public-Key Encryption Security Proofs using Random Oracles via Key Encapsulation Mechanisms Commitment Schemes: Hiding and Binding Security Definitions Target Key Recovery vs. Consistent Key Recovery: Security Games for Block Ciphers Public-Key Encryption: Key Encapsulation Mechanisms and Hybrid Encryption Security