Advent of Code 2022 – Day 11

We look into how to run Flutter on Linux, Windows and on the web. What is the current status and what can you acheive if you want to try it out.

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…

We look into how to configure your Proxmox installation to use an external Ceph cluster for your data needs.

We build some important tools, the M4 compiler and libraries needed by the system.

We look at connecting up a native library, native source to our Android application.