This article contains technical details about the rotors of the Enigma machine. Understanding the way the machine encrypts requires taking into account...

The Enigma machine was considered so secure that it was used to encipher the most top-secret messages. The Enigma has an electromechanical rotor mechanism...

transmissions, was given the codename Ultra. The Enigma machines were a family of portable cipher machines with rotor scramblers. Good operating procedures, properly...

the Enigma machines on the various German military networks: specifically, the set of rotors in use and their positions in the machine; the rotor core...

officer at a dance. He also lent the film's design department a four-rotor Enigma encoding machine he owned to ensure the historical accuracy of one of...

understanding of how Enigma functioned; (2) the wiring of the rotors; and (3) the daily settings (the sequence and orientations of the rotors, and the plug connections...

System • Encryption • Encryption software • Enigmail • Enigma machine • Enigma rotor details • Entrust • Ernst Fetterlein • eSTREAM • Étienne Bazeries...

the German armed forces' Enigma machine ciphers. Rejewski had worked out the precise interconnections of the Enigma rotors and reflector, after the Bureau...

Rejewski's remarkable achievement of determining the wirings of the Enigma's rotors and reflectors. The Polish Cipher Bureau realized that the Germans...

message-settings of Kriegsmarine Enigma signals were enciphered on a common Grundstellung (starting position of the rotors), and were then super-enciphered...

Bureau gave the British and French details of the wiring of Enigma machine's rotors and their method of decrypting Enigma machine's messages, Turing and Knox...

used Enigma machines in several variants. Abwehr (German military intelligence) used a four-rotor machine without a plugboard and Naval Enigma used different...

The Enigma-M4 (also called Schlüssel M, more precisely Schlüssel M Form M4) is a rotor key machine that was used for encrypted communication by the German...

known as Adonis was an off-line non-reciprocal rotor encryption machine.: p.33ff  The KL-7 had rotors to encrypt the text, most of which moved in a complex...

achievement, figured it out. PURPLE, unlike the German Enigma or the Hebern design, did not use rotors but stepper switches like those in automated telephone...

Marian Rejewski was able, by the end of 1932, to work out the rotor wirings of the Enigma machine, aided by documentation obtained from a spy working for...

codebreaking machine used in World War II to read German messages sent using the Enigma machine. He was known as "Doc" Keen because of his habit of carrying tools...

another version of the Enigma cipher machine, but an important minority were produced by the even more complicated twelve-rotor Lorenz SZ42 on-line teleprinter...

Polish Cipher Bureau (Biuro Szyfrów) in decrypting German Enigma machine ciphers. The Enigma rotor cipher machine changes plaintext characters into cipher...

The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II. They were developed by C. Lorenz...

cryptanalysts. The Red machine was unreliable unless the contacts in its half-rotor switch were cleaned every day. It enciphered vowels (AEIOUY) and consonants...

processes of American cryptology. Four-rotor Kriegsmarine Enigma machine US Navy Bombe used to decrypt the German Enigma machine STU-I secure telephone desk...

in place, should all the Enigma system; the machine, the list of current settings, Rotors, the booklet that stated the rotor starting positions and indicators...

codebreakers needed to know the wiring of the special naval Enigma rotors. The capture of several Enigma rotors during the sinking of U-33 by HMS Gleaner (J83) in...

Wehrmacht Chiffrierabteilung, and was responsible for the security of the Enigma machine. Gisbert Hasenjaeger went to high school in Mülheim, where his father...

wireless transmission. Bletchley Park decrypts of messages enciphered with the Enigma machines revealed that the Germans called one of their wireless teleprinter...

Atlantic U-boat traffic, of an Enigma machine with an additional rotor — the four-wheel Enigma. This increased the time required of the Turing-designed Bombe...

of extra security devices to the German Enigma, including the Enigma Uhr and a rewireable "reflector" rotor. His entry in the Oxford Dictionary of National...

security control of its own key processes and machinery, such as the rotor cipher ENIGMA machine. It was the successor to the former Chi bureau (German: Chiffrierstelle)...

turned the rotors to the key. When the Enigma was configured, the message was enciphered and then immediately deciphered on another Enigma to ensure that...