Writing a simple example of Feistal Cipher

Writing a simple example of Feistal Cipher

We talk about the Feistal Cipher and implement a simple proof of concept to test the algorithm out. Computerphile video: https://www.youtube.com/watch?v=FGhj3CGxl8I Source code: package org.ea; import java.security.MessageDigest; import java.util.Arrays; public class FeistelAlg { private final static String plainText = "the brown fox jumped over the lazy dog"; public static void doRound(byte[] left, byte[] right) throws…