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 ...
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