Understanding the Data Encryption Standard (DES) Algorithm: Simple Steps for Secure Network Communication 🔐

Learn the fundamentals of DES, a vital block cipher in cryptography. This guide covers the basic steps of how DES encrypts data, essential for ensuring network security and protecting sensitive information.

Understanding the Data Encryption Standard (DES) Algorithm: Simple Steps for Secure Network Communication 🔐
Atiya Kazi
1.4K views • Jul 31, 2020
Understanding the Data Encryption Standard (DES) Algorithm: Simple Steps for Secure Network Communication 🔐

About this video

Information technology
Subject: CRYPTOGRAPHY AND NETWORK SECURITY

Data Encryption Standard (DES) is a block cipher algorithm that takes plain text in blocks of 64 bits and converts them to ciphertext using keys of 48 bits. It is a symmetric key algorithm, which means that the same key is used for encrypting and decrypting ​data. Encryption and decryption using the DES algorithm.
Source: https://www.educative.io


Comment below the answers to the following questions:
1. What is the name of the DES function which operates on RHS and Key?
2. How many rounds happen in DES?
3. Is permutation necessary? why?

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Published

Jul 31, 2020

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