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t. e. The Enigma machine was used commercially from the early 1920s and was adopted by the militaries and governments of various countries—most famously, Nazi Germany. Cryptanalysis of the Enigma ciphering system enabled the western Allies in World War II to read substantial amounts of Morse-coded radio communications of the Axis powers that ...
The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top ...
Rotor electrical view. The scrambling action of the Enigma rotors shown for two consecutive letters — current is passed through the rotors, around the reflector, and back out through the rotors again. Note: The grayed-out lines represent other possible circuits within each rotor, which are hard-wired to contacts on each rotor.
Colossus was a set of computers developed by British codebreakers in the years 1943–1945 [ 1 ] to help in the cryptanalysis of the Lorenz cipher. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus is thus regarded [ 2 ] as the world's first programmable, electronic, digital computer, although ...
Alan Mathison Turing OBE FRS (/ ˈtjʊərɪŋ /; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. [ 5 ] He was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation ...
The United States Naval Computing Machine Laboratory ( NCML) was a highly secret design and manufacturing site for code-breaking machinery located in Building 26 of the National Cash Register (NCR) company in Dayton, Ohio and operated by the United States Navy during World War II. It is now on the List of IEEE Milestones, [ 1] and one of its ...
11516745. Dewey Decimal. 510.92. LC Class. QA29.T8H63. Alan Turing: The Enigma (1983) is a biography of the British mathematician, codebreaker, and early computer scientist, Alan Turing (1912–1954) by Andrew Hodges. The book covers Alan Turing's life and work. The 2014 film The Imitation Game is loosely based on the book, with dramatization.
The Electronic Delay Storage Automatic Calculator (EDSAC) was an early British computer. [ 1 ] Inspired by John von Neumann 's seminal First Draft of a Report on the EDVAC, the machine was constructed by Maurice Wilkes and his team at the University of Cambridge Mathematical Laboratory in England.