🔥 Information Security Unit 4 One Shot Revision | SPPU Endsem 2026

In this video, we cover the entire Unit 4 of Information Security in simple easy explanations, exam-oriented notes, important concepts, and frequently asked university questions.

PPT LINK :- https://github.com/gyaansandhi-max/information-security

Topics Covered:
✅ Cryptographic Hash Functions
✅ One-Way Hashing vs Two-Way Hashing
✅ CBC-Based Hash Functions
✅ Message Digest
✅ MD5 Algorithm
✅ Message Authentication Code (MAC)
✅ DES-Based MAC
✅ Digital Signature
✅ DSS (Digital Signature Standard)
✅ DSA (Digital Signature Algorithm)
✅ X.509 Certificate
✅ TLS (Transport Layer Security)
✅ TLS Handshake Protocol
✅ IPv4 Datagram & Header Format
✅ IPSec (IP Security)
✅ Transport Mode vs Tunnel Mode
✅ Authentication Header (AH)
✅ Encapsulating Security Payload (ESP)
✅ Email Security
✅ PGP and S/MIME

This one-shot revision is specially designed for:
🎯 SPPU Computer Engineering Students
🎯 End Semester Exam Preparation
🎯 Last Minute Revision
🎯 Viva Preparation
🎯 Information Security Subject
🎯 Cyber Security Beginners

Watch till the end to revise the complete Unit 4 in a single video and boost your exam score.

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Видео 🔥 Information Security Unit 4 One Shot Revision | SPPU Endsem 2026 канала Gyaan Sandhi