The objective of this discussion is to be aware of the Data Encryption Standard (DES). Problem Statement: Feel free to discuss one of the following topics. 1. Encryption. 2. Decryption. 3. Triple DES (3DES).

Data Encryption Standard is the archetypal block cipher—an algorithm that takes a fixed-length string of plaintext bits and transforms it through a series of complicated operations into another ciphertext bitstring of the same length. It is a common standard for data encryption and a form of secret key cryptography (SKC), which uses only one key for encryption and decryption. Encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot. There are several modern types of encryption used to protect sensitive electronic data, such as email messages, files, folders and entire drives.

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