Understanding Data Encryption Standard (DES): History & Fundamentals 🔐

This is for academic purposes only.

REFERENCES:

HISTORY OF DES
https://www.tutorialspoint.com/what-is-the-history-of-des#
https://www.umsl.edu/~siegelj/information_theory/projects/des.netau.net/des%20history.html
https://www.techtarget.com/searchsecurity/definition/Data-Encryption-Standard
https://www.tech-faq.com/des.html

DESCRIPTION AND MEANING OF DES
https://www.techfunnel.com/information-technology/data-encryption-standard/
https://www.simplilearn.com/what-is-des-article
https://csrc.nist.gov/publications/detail/book/2001/data-encryption-standard

HOW TO ENCRYPT DATA USING DES
https://crypto.stackexchange.com/questions/91661/how-to-generate-keys-from-a-56-bit-using-des
https://www.geeksforgeeks.org/simplified-data-encryption-standard-key-generation/
https://youtu.be/v8G4UllT9dc