An Enigma Machine in Elm

Explore the inner workings of the Enigma machine in this 44-minute conference talk from Lambda Days 2022. Dive into the encryption process used by German forces during World War II, following along as the speaker implements the machine in Elm. Learn how to encrypt and decrypt messages, understand the weaknesses that made it vulnerable to codebreakers like Alan Turing, and gain insights to spot inaccuracies in popular media depictions. The talk covers the machine's components, the journey of a letter through the encryption process, and includes a live demonstration of enciphering messages. Conclude with valuable resources for further exploration and a Q&A session to deepen your understanding of this historical cryptographic device.

00:00 - - Intro
08:44 - - The Enigma Machine
14:33 - - Journey of a Letter
24:53 - - How to Encipher a Message
30:24 - - Rotor: Encoding
33:40 - - Enigma Machine Test
38:24 - - Resources & QnA