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30 relations: Cipher, Code talker, Combined Cipher Machine, Cryptanalysis, Cryptanalysis of the Enigma, Encryption, Enigma machine, Frank Rowlett, Hebern rotor machine, History of cryptography, Joseph Wenger, Laurance Safford, M-209, Mercury (cipher machine), Military attaché, Office of Naval Intelligence, OP-20-G, Prisoner of war, Punched tape, Retrofitting, Rotor machine, SIGCUM, Signal Intelligence Service, Teletype Corporation, Type B Cipher Machine, Typex, United States Army, United States Navy, William F. Friedman, World War II.
Cipher
In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure.
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Code talker
Code talkers are people in the 20th century who used obscure languages as a means of secret communication during wartime.
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Combined Cipher Machine
The Combined Cipher Machine (CCM) (or Combined Cypher Machine) was a common cipher machine system for securing Allied communications during World War II and for a few years after amongst NATO.
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Cryptanalysis
Cryptanalysis (from the Greek kryptós, "hidden", and analýein, "to loosen" or "to untie") is the study of analyzing information systems in order to study the hidden aspects of the systems.
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Cryptanalysis of the Enigma
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 had been enciphered using Enigma machines.
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Encryption
In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.
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Enigma machine
The Enigma machines were a series of electro-mechanical rotor cipher machines developed and used in the early- to mid-20th century to protect commercial, diplomatic and military communication.
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Frank Rowlett
Frank Byron Rowlett (May 2, 1908 – June 29, 1998) was an American cryptologist.
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Hebern rotor machine
The Hebern Rotor Machine was an electro-mechanical encryption machine built by combining the mechanical parts of a standard typewriter with the electrical parts of an electric typewriter, connecting the two through a scrambler.
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History of cryptography
Cryptography, the use of codes and ciphers to protect secrets, began thousands of years ago.
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Joseph Wenger
Joseph Numa Wenger (June 7, 1901 – September 2, 1970) was a Rear-Admiral of the United States Navy who served as the first Deputy Director of the Armed Forces Security Agency (AFSA), and later as the first Vice Director of the National Security Agency, from December 1952 to November 1953, after the separate divisions of the AFSA merged into the NSA.
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Laurance Safford
Captain, U.S.N. Laurance Frye Safford (October 22, 1893 – May 15, 1973) was a U.S. Navy cryptologist.
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M-209
In cryptography, the M-209, designated CSP-1500 by the United States Navy (C-38 by the manufacturer) is a portable, mechanical cipher machine used by the US military primarily in World War II, though it remained in active use through the Korean War.
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Mercury (cipher machine)
Mercury was a British cipher machine used by the Air Ministry from 1950 until at least the early 1960s.
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Military attaché
A military attaché is a military expert who is attached to a diplomatic mission (an attaché).
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Office of Naval Intelligence
The Office of Naval Intelligence (ONI) is the military intelligence agency of the United States Navy.
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OP-20-G
OP-20-G or "Office of Chief Of Naval Operations (OPNAV), 20th Division of the Office of Naval Communications, G Section / Communications Security", was the U.S. Navy's signals intelligence and cryptanalysis group during World War II.
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Prisoner of war
A prisoner of war (POW) is a person, whether combatant or non-combatant, who is held in custody by a belligerent power during or immediately after an armed conflict.
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Punched tape
Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data.
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Retrofitting
Retrofitting refers to the addition of new technology or features to older systems.
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Rotor machine
In cryptography, a rotor machine is an electro-mechanical stream cipher device used for encrypting and decrypting secret messages.
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SIGCUM
SIGCUM, also known as Converter M-228, was a rotor cipher machine used to encrypt teleprinter traffic by the United States Army.
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Signal Intelligence Service
The Signal Intelligence Service (SIS) was the United States Army codebreaking division, headquartered at Arlington Hall (former campus of Arlington Hall Junior College for Women, founded 1927 to 1942, on Arlington Boulevard in Arlington, Virginia, across the Potomac River from Washington, D.C.).
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Teletype Corporation
The Teletype Corporation, a part of American Telephone and Telegraph Company's Western Electric manufacturing arm since 1930, came into being in 1928 when the Morkrum-Kleinschmidt Company changed its name to the name of its trademark equipment.
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Type B Cipher Machine
In the history of cryptography, "System 97 Typewriter for European Characters" or "Type B Cipher Machine", codenamed Purple by the United States, was a diplomatic cryptographic machine used by the Japanese Foreign Office just before and during World War II.
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Typex
In the history of cryptography, Typex (alternatively, Type X or TypeX) machines were British cipher machines used from 1937.
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United States Army
The United States Army (USA) is the land warfare service branch of the United States Armed Forces.
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United States Navy
The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.
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William F. Friedman
William Frederick Friedman (September 24, 1891 – November 12, 1969) was a US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) in the 1930s, and parts of its follow-on services into the 1950s.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Redirects here:
CSP-888, ECM Mark I, ECM Mark II, M-134-C, Sigaba.
References
[1] https://en.wikipedia.org/wiki/SIGABA
