The United States Naval Computing Machine Laboratory was a highly secret design and manufacturing site for code-breaking machinery located in Building 26 of the National Cash Register company in Dayto
US Navy bombe at the National Cryptologic Museum.
Cryptanalysis
Videos
Cryptanalysis refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic security systems and gain acces
Reconstruction of the appearance of cyclometer, a device used to break the encryption of an early version of the Enigma machine. Based on sketches in Marian Rejewski's memoirs.
The decrypted Zimmermann Telegram.
The Bombe replicated the action of several Enigma machines wired together. Each of the rapidly rotating drums, pictured above in a Bletchley Park museum mockup, simulated the action of an Enigma rotor.