6.0 Cryptography

6.1 Given a scenario, utilize general cryptography concepts.

• Symmetric vs. asymmetric
• Session keys
• In-band vs. out-of-band key exchange
• Fundamental differences and encryption methods
  • Block vs. stream
• Transport encryption
• Non-repudiation
• Hashing
• Key escrow
• Steganography
• Digital signatures
• Use of proven technologies
• Elliptic curve and quantum cryptography
• Ephemeral key
• Perfect forward secrecy