Learning Cryptography and Network Security

Introduction

• Keeping information safe
• What you need to know

1. Safeguarding the Network

• Providing security services
• Exploring cyberattacks and trends
• Introducing cryptographic terminology
• Reviewing the history of cryptography
• Challenge: Coding with the Enigma
• Solution: Coding with the Enigma

2. Dissecting Symmetric Encryption

• Introducing symmetric encryption
• Developing DES
• Working with AES
• Comparing block and stream ciphers
• Understanding modes of operation
• Securing wireless communication
• Challenge: Encrypting data with AES
• Solution: Encrypting data with AES

3. Exploring Asymmetric Encryption

• Grasping public key cryptography
• Dissecting public-key algorithms
• Using digital signatures
• Exchanging keys
• Managing keys using PKI
• Navigating certificates

4. Reviewing Hash Algorithms

• Securing data with a hash
• 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
• Securing email with PGP
• Examining blockchain technology
• Safeguarding cryptography

6. Securing the Internet Protocol

• Exploring Internet Protocol security
• Dissecting the Authentication Header
• Encapsulating Security Payloads
• Comparing IPSec operating modes

Conclusion

• What's next