Learning Cryptography and Network Security

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

Introduction

• 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

Conclusion

• Next steps