Using Colossus with Russian teleprinter traffic
There is a story that two Colossi were sent to GCHQ to help with breaking Russian teleprinter traffic encrypted with captured SZ4n machines.
National Museum of Computing
Jerry McCarthy
Soviet Computing – Kateryna Yushchenko
Kateryna Yushchenko was the inventor of a programming language called the “Address Programming Language”. Virtual lecture by Jerry McCarthy.
National Museum of Computing
Four (or more) Interesting Enigma-like Crypto Machines
Jerry McCarthy will first give a brief explanation of the operation of the German Enigma machine, and will then discuss four (or more) similar machines.
The National Museum of Computing
The Japanese “GREEN” Crypto Machine: a tentative reconstruction
Jerry McCarthy will start with a brief description of the German 3-rotor Enigma and then move on to a Japanese designed machine, designated as “GREEN”.
The National Museum of Computing
Polish Cyclometer – an early Enigma cracking machine
A basic prototype of the Cyclometer will be described, and the subsequent working model will be demonstrated and explained in some detail.
The National Museum of Computing
The Polish Bomba: predecessor of the Turing-Welchman Bombe
A brief introduction to Enigma, and then methods created by Polish mathematicians for cracking Enigma, before focusing on the Bomba.
The National Museum of Computing