Practical Cryptography for Developers

面向开发者的实用密码学：哈希、MAC、KDF、随机数、密钥交换、对称/非对称加密、数字签名与后量子密码学。

Cryptography - Overview

• Cryptography - Overview

Hash Functions

• Hash Functions
  • Crypto Hashes and Collisions
  • Hash Functions: Applications
  • Secure Hash Algorithms
  • Hash Functions - Examples
  • Proof-of-Work Hash Functions

MAC and Key Derivation

• MAC and Key Derivation
  • HMAC and Key Derivation
  • KDF: Deriving Key from Password
  • PBKDF2
  • Scrypt
  • Bcrypt
  • Argon2
  • Secure Password Storage

Secure Random Generators

• Secure Random Generators
  • Pseudo-Random Numbers - Examples
  • Secure Random Generators (CSPRNG)

Key Exchange and DHKE

• Key Exchange and DHKE
  • Diffie–Hellman Key Exchange
  • DHKE - Examples

Encryption: Symmetric and Asymmetric

• Encryption: Symmetric and Asymmetric

Symmetric Key Ciphers

• Symmetric Key Ciphers
  • Cipher Block Modes
  • Popular Symmetric Algorithms
  • The AES Cipher - Concepts
  • AES Encrypt / Decrypt - Examples
  • Ethereum Wallet Encryption
  • ChaCha20-Poly1305

Asymmetric Key Ciphers

• Asymmetric Key Ciphers
  • The RSA Cryptosystem - Concepts
  • RSA Encrypt / Decrypt - Examples
  • Elliptic Curve Cryptography (ECC)
  • ECDH Key Exchange
  • ECC Encryption / Decryption
  • ECIES Hybrid Encryption Scheme

Digital Signatures

• Digital Signatures
  • RSA Signatures
  • ECDSA: Elliptic Curve Signatures
  • EdDSA and Ed25519

Quantum-Safe Cryptography

• Quantum-Safe Cryptography
  • Quantum-Safe Signatures - Example
  • Quantum-Safe Key Exchange - Example

More Cryptographic Concepts

• More Cryptographic Concepts
  • One-Time Passwords (OTP) - Example