IT Security/Cryptography/Concepts

< IT Security < Cryptography

This lesson covers cryptography concepts.

Objectives and Skills

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

Multimedia

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

References

  1. ↑ CompTIA: Security+ Certification Exam Objectives - Exam SY0-401
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