The German SZ42 Cipher Machine Explained

#cryptology, #cryptography, #cryptanalysis In this video, I explain the Lorenz SZ42, a ciphermachine used by the Germans during WWII. It was used for encryption of high-level communications beginning in mid 1942. The machine encrypts Baudot code using a pseudo-random generated keystream. In the video, I explain how the cipher machine works and we analyze its keyspace size and unicity distance. We also create a workspace in CrypTool 2 to encrypt and decrypt text using the new SZ42 component. If you are interested in learning the fundaments of cryptology, let me invite you to have a look at our video series about the basics of cryptology, also for beginners: https://youtu.be/jbumW7Ym03o You can download the latest version of CrypTool 2 from here: https://www.cryptool.org/en/ct2/downloads Visit my blog: https://www.kopaldev.de Join Discord server: https://discord.gg/8JeTZd8EpT Like what I do 😄? Help fuel my crypto obsession 🎓 — buy me a coffee here☕— thx: https://buymeacoffee.com/cryptographyforeverybody