Chapter 8

Cryptography Basics

The Following CompTIA Security+ Exam Objectives Are Covered in This Chapter:

  • 2.8 Exemplify the concepts of confidentiality, integrity and availability (CIA).
  • 6.1 Summarize general cryptography concepts.
    • Symmetric vs. asymmetric
    • 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
  • 6.2 Use and apply appropriate cryptographic tools and products.
    • WEP vs. WPA/WPA2 and preshared key
    • MD5
    • SHA
    • RIPEMD
    • AES
    • DES
    • 3DES
    • HMAC
    • RSA
    • RC4
    • One-time-pads
    • CHAP
    • PAP
    • NTLM
    • NTLMv2
    • Blowfish
    • PGP/GPG
    • Whole disk encryption
    • TwoFish
    • Comparative strength of algorithms
    • Use of algorithms ...

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