Question

DES follows

(a) Hash Algorithm

(b) Caesars Cipher

(c) Feistel Cipher Structure

(d) SP Networks

The question was asked by my school teacher while I was bunking the class.

This key question is from The Data Encryption Standard (DES) and It’s Strength in section Block Ciphers and the Data Encryption Standard of Cryptograph & Network Security

Answer 1

The correct answer is (c) Feistel Cipher Structure

To elaborate: DES follows Feistel Cipher Structure.