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LinkedIn Learning

Learning Cryptography and Network Security

via LinkedIn Learning


Understand the basics of cryptography to keep your networks, systems, and data secure.


  • Keeping information safe
  • What you need to know
1. Safeguarding the Network
  • Providing security services
  • Compare network attacks
  • Introduce cryptographic terminology
  • Review the history of cryptography
  • Challenge: Coding with the Enigma
  • Solution: Coding with the Enigma
2. Dissecting Symmetric Encryption
  • Introducing symmetric encryption
  • Developing DES
  • Work with AES
  • Compare block and stream ciphers
  • Understand modes of operation
  • Secure wireless communication
  • Challenge: Encrypt data with AES
  • Solution: Encrypt data with AES
3. Exploring Asymmetric Encryption
  • Grasping public key cryptography
  • Exchanging keys using asymmetric encryption
  • Using digital signatures
  • Managing keys using PKI
  • Navigating certificates
4. Reviewing Hash Algorithms
  • Diving into hash algorithms
  • Looking deeper into message digests
  • Understanding passwords
  • Challenge: Password strength tests
  • Solution: Password strength tests
5. Applying Cryptography
  • Introducing Transport Layer Security
  • Providing email privacy
  • Implementing email security with GPG
  • Examining blockchain technology
  • Safeguarding cryptography
6. Securing the Internet Protocol
  • Exploring Internet Protocol Security
  • Dissecting the Authentication Header
  • Encapsulating Security Payload
  • Comparing IPsec operating modes
  • Next steps

Taught by

Lisa Bock


4.7 rating at LinkedIn Learning based on 178 ratings

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