IT Security/Cryptography/Concepts

This lesson covers cryptography concepts.

Objectives and Skills

Objectives and skills for the cryptography concepts portion of Security+ certification include:

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

Multimedia

1. YouTube: Cryptography Overview - CompTIA Security+ SY0-401: 6.1
2. YouTube: Symmetric vs. Asymmetric Encryption - CompTIA Security+ SY0-401: 6.1
3. YouTube: Public Keys and Private Keys - CompTIA Security+ SY0-401: 6.1
4. YouTube: Session Keys - CompTIA Security+ SY0-401: 6.1
5. YouTube: Block vs. Stream Ciphers - CompTIA Security+ SY0-401: 6.1
6. YouTube: Transport Encryption - CompTIA Security+ SY0-401: 6.1
7. YouTube: Non-Repudiation - CompTIA Security+ SY0-401: 6.1
8. YouTube: Hashing - CompTIA Security+ SY0-401: 6.1
9. YouTube: Key Escrow - CompTIA Security+ SY0-401: 6.1
10. YouTube: Steganography - CompTIA Security+ SY0-401: 6.1
11. YouTube: Elliptic Curve and Quantum Cryptography - CompTIA Security+ SY0-401: 6.1
12. YouTube: Perfect Forward Secrecy - CompTIA Security+ SY0-401: 6.1