CompTIA Security+ Review Guide, 4th Edition

Chapter 6Cryptography and PKI

COMPTIA SECURITY+ EXAM OBJECTIVES COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:

•  6.1 Compare and contrast basic concepts of cryptography.
  • Symmetric algorithms
  • Modes of operation
  • Asymmetric algorithms
  • Hashing
  • Salt, IV, nonce
  • Elliptic curve
  • Weak/deprecated algorithms
  • Key exchange
  • Digital signatures
  • Diffusion
  • Confusion
  • Collision
  • Steganography
  • Obfuscation
  • Stream vs. block
  • Key strength
  • Session keys
  • Ephemeral key
  • Secret algorithm
  • Data-in-transit
  • Data-at-rest
  • Data-in-use
  • Random/pseudo-random number generation
  • Key stretching
  • Implementation vs. algorithm selection
    • Crypto service provider
    • Crypto modules
  • Perfect forward ...