IT Security/Cryptography/Concepts

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This lesson covers cryptography concepts.

Objectives and Skills[edit]

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

Readings[edit]

Multimedia[edit]

  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

Activities[edit]

See Also[edit]

References[edit]