CompTIA Security+ SY0-601 Cert Guide, 5th Edition

Chapter 16

Summarizing the Basics of Cryptographic Concepts

This chapter covers the following topics related to Objective 2.8 (Summarize the basics of cryptographic concepts) of the CompTIA Security+ SY0-601 certification exam:

• Digital signatures

• Key length

• Key stretching

• Salting

• Hashing

• Key exchange

• Elliptic-curve cryptography

• Perfect Forward Secrecy

• Quantum

  • Communications

  • Computing

• Post-quantum

• Ephemeral

• Modes of operation

  • Authenticated

  • Unauthenticated

  • Counter

• Blockchain

  • Public ledgers

• Cipher suites

  • Stream

  • Block

• Symmetric vs. asymmetric

• Lightweight cryptography

• Steganography

  • Audio

  • Video

  • Image

• Homomorphic encryption

• Common use cases

  • Low power devices

  • Low latency

  • High resiliency

  • Supporting confidentiality

  • Supporting integrity

  • Supporting ...