3. Secure Communications

• 3.1. Authenticity
• 3.2. Digital Signatures
  • 3.2.1. Signing
  • 3.2.2. Verifying
  • 3.2.3. Why Sign the Hash?
  • 3.2.4. Recommended Video
• 3.3. Digital Certificates
  • 3.3.1. Contents of a Digital Certificate
  • 3.3.2. Signing a Digital Certificate
  • 3.3.3. Verifying a Digital Certificate
• 3.4. Certificate Authorities
  • 3.4.1. Certificate Authority Hierarchy
• 3.5. Secure Communication and TLS
  • 3.5.1. Transport Layer Security (TLS)
  • 3.5.2. TLS Handshake
  • 3.5.3. TLS Session
  • 3.5.4. Recommended Video
• 3.6. Extension: Secure Random Number Generation
  • 3.6.1. PRNGs: Pseudorandom Number Generators
  • 3.6.2. Cryptographic Random Number Generators (CSPRNGs)
  • 3.6.3. Recommended Video