CKA Certification Course 2025 - Day 30: How HTTPS & SSH Work | What is Encryption? | Symmetric & Asymmetric Encryption | CKA 2025

Day 30: How HTTPS & SSH Work | What is Encryption? | Symmetric & Asymmetric Encryption | CKA 2025 👉 GitHub Repository: https://github.com/CloudWithVarJosh/CKA-Certification-Course-2025 👉 CKA 2025 Playlist: https://youtube.com/playlist?list=PLmPit9IIdzwRjqD-l_sZBDdPlcSfKqpAt&si=1JNRkoNa75AOJx0o 📚 Welcome to Day 30! In this lecture, we take a break from Kubernetes to understand a core concept used everywhere—from cluster communication to secure user access: Encryption. We’ll demystify how it works, why it matters, and how it's applied in real-world systems like HTTPS and SSH. 📝 What We’ll Cover: ✅ What is Encryption and why it matters ✅ Encryption at Rest vs In-Transit ✅ Symmetric vs Asymmetric encryption ✅ How SSH uses public-key cryptography ✅ How TLS combines both encryption types ✅ Why HTTPS guarantees confidentiality & authenticity 💡 By the end of this lecture: You’ll have a clear understanding of how encryption secures communication — whether it’s accessing a VM via SSH or your browser using HTTPS, laying the foundation for secure interactions within and outside of your Kubernetes cluster. 🔗 Stay Connected: 👉 LinkedIn: https://linkedin.com/in/varun-joshi-2b516752 👉 GitHub: https://github.com/CloudWithVarJosh 💬 Got questions? Drop them in the comments—I’ll reply ASAP! 🔥 Don’t forget to like, share, and subscribe to stay updated with the CKA 2025 series! ⏰ Timestamps: 00:00:00 - Introduction 00:00:31 - What & Why of Encryption: Symmetric vs Asymmetric Encryption 00:08:54 - Encryption Approaches: In-Transit vs At-Rest 00:13:29 - Scenario 1: Disk Encryption (Symmetric) 00:15:09 - Scenario 2: Symmetric Encryption Explained 00:16:28 - Scenario 3: SSH with Asymmetric Encryption 00:24:51 - Scenario 4: TLS using Asymmetric + Symmetric 00:37:42 - Outro & Key Takeaways 🔖 Hashtags: #Kubernetes #CKA #CloudWithVarJosh #CKACourse #Encryption #HTTPS #SSH #TLS #PublicKey #PrivateKey #DataSecurity #DevOps #CKAExam #KubernetesTutorial #CKAPreparation #CloudComputing #KubernetesCertification #Docker #CyberSecurity #SSL #AsymmetricEncryption #SymmetricEncryption