Overview
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Review the basics of cryptography, including symmetric and asymmetric encryption standards, as you prepare for the third domain of the CompTIA Security+ (SY0-601) exam.
Syllabus
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Introduction
- Cryptography design and implementation
- What you need to know
- Study resources
- Understanding encryption
- Symmetric and asymmetric cryptography
- Goals of cryptography
- Codes and ciphers
- Cryptographic math
- Choosing encryption algorithms
- The perfect encryption algorithm
- The cryptographic lifecycle
- Data Encryption Standard (DES)
- 3DES
- AES, Blowfish, and Twofish
- RC4
- Cipher modes
- Steganography
- Rivest, Shamir, Adelman (RSA)
- PGP and GnuPG
- Elliptic-curve and quantum cryptography
- Tor and perfect forward secrecy
- Key exchange
- Diffie–Hellman
- Key escrow
- Key stretching
- Hardware security modules
- Trust models
- PKI and digital certificates
- Hash functions
- Digital signatures
- Digital Signature Standard
- Create a digital certificate
- Revoke a digital certificate
- Certificate stapling
- Certificate authorities
- Certificate subjects
- Certificate types
- Certificate formats
- Brute force attacks
- Knowledge-based attacks
- Limitations of encryption algorithms
- TLS and SSL
- Information rights management
- Specialized use cases
- Blockchain
- Continuing your studies
