Understanding Simplified Data Encryption Standard (SDES)

This video discusses the Simplified DES algorithm with an example. This is a good place to start learning the DES algorithm for cryptography.
Simplified DES (SDES) is a lightweight version of the Data Encryption Standard (DES) designed for educational purposes. It operates on 8-bit blocks instead of 64-bit blocks, making it easier to understand and implement while demonstrating the principles of block cipher encryption.
🔐 Simplified DES (SDES) Algorithm Explained | Cryptography & Network Security 🔐
In this video, we dive deep into the Simplified Data Encryption Standard (SDES) algorithm, a lightweight version of DES designed for educational purposes. Learn how SDES encryption and decryption work using a Feistel Cipher structure, including key generation, substitution, permutations, and XOR operations.

📌 Topics Covered:
✅ What is SDES?
✅ Key Generation (10-bit key → 8-bit subkeys)
✅ Encryption Process (Initial Permutation, Feistel Function, Round Keys)
✅ Decryption Process (Reverse Rounds)
✅ Step-by-step Numerical Example
✅ Advantages & Disadvantages of SDES
Whether you're a computer science student, cybersecurity enthusiast, or preparing for exams, this video will help you understand block ciphers and cryptographic encryption techniques. 🚀
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