The U.S. Army M-94 Cylinder Cipher Explained – A Strong Hand Cipher For the Usage on the Battlefield

#cryptology, #cryptography, #cryptanalysis In this video, we explain the M-94 cylinder cipher device, which was used by the U.S. Army and the U.S. Navy. First, we give a short introduction of the history of disc ciphers. After that, we explain how the M-94 cipher device is used. After that, we discuss the keyspace size of the M-94. Finally, we show how to use the cylinder cipher component in CrypTool 2 to encrypt and decrypted messages using the M-94 cipher. If you are interested in learning the basics of cryptology, you should also have a look at our video series about basics of cryptology – also for beginners: https://youtu.be/jbumW7Ym03o You may download the latest version of CrypTool 2 from here: https://www.cryptool.org/en/ct2/downloads Like what I do 😄? Help fuel my crypto obsession 🎓 — buy me a coffee here☕— thx: https://buymeacoffee.com/cryptographyforeverybody