CompTIA Security+™: Study Guide, Fourth Edition

Chapter 7. Cryptography Basics, Methods, and Standards

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

• 5.1 Explain general cryptography concepts.

  • Key management

  • Steganography

  • Symmetric key

  • Asymmetric key

  • Confidentiality

  • Integrity and availability

  • Non-repudiation

  • Comparative strength of algorithms

  • Digital signatures

  • Trusted Platform Module (TPM)

  • Single vs. Dual sided certificates

  • Use of proven technologies

• 5.2 Explain basic hashing concepts and map various algorithms to appropriate applications.

  • SHA

  • MD5

  • LANMAN

  • NTLM

• 5.3 Explain basic encryption concepts and map various algorithms to appropriate applications.

  • DES

  • 3DES

  • RSA

  • PGP

  • Elliptic curve

  • AES

  • AES256

  • One time pad

  • Transmission encryption (WEP TKIP, etc.)

• 5.4 Explain and implement protocols.

  • SSL/TLS ...