DES in Cryptography | Anna University CB3491 Exam Preparation | Cryptography and Cyber Security

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Prepare for your Anna University CB3491 subject (Cryptography and Cyber Security) with this detailed yet simple explanation of the DES (Data Encryption Standard). In this video, we cover:

How DES works: From plaintext to ciphertext.
Subkey generation and its role in encryption and decryption.
Key features, block diagram, and step-by-step breakdown of the DES process.
This video is tailored for Anna University syllabus preparation and will help you master DES for exams and real-world applications.

📚 Topics Covered:
1️⃣ What is DES?
2️⃣ Encryption process explained with a block diagram.
3️⃣ Subkeys and key scheduling in DES.
4️⃣ How decryption works in DES.

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