Security News > 2021 > September > History of the HX-63 Rotor Machine
![History of the HX-63 Rotor Machine](/static/build/img/news/alt/application-stats-medium.jpg)
2021-09-03 15:19
Jon D. Paul has written the fascinating story of the HX-63, a super-complicated electromechanical rotor cipher machine made by Crypto AG.
News URL
https://www.schneier.com/blog/archives/2021/09/history-of-the-hx-63-rotor-machine.html