purple cipher
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Purple (cipher machine) — This article is about the Japanese cipher Purple, also known as AN 1 (citation for AN 1 nomenclature for Purple?). For other Japanese ciphers, such as JN 25 which played a part in the Battle of Midway, see Japanese naval codes. In the history of… … Wikipedia
Purple (disambiguation) — Purple is a color intermediate to red and blue.Purple may also refer to * Purple (album), by the Stone Temple Pilots *Purple (cipher machine), a Japanese cipher machine *Purple (magazine), a French fashion, litterature, art, and culture magazine … Wikipedia
Cipher disk — The Union Cipher Disk from the American Civil War was 3.75 inches (95 mm) in diameter and made of light yellow heavy card stock. It consisted of two concentric disks of unequal size revolving on a central pivot. The disks were divided along their … Wikipedia
Bacon's cipher — or the Baconian cipher is a method of steganography (a method of hiding a secret message as opposed to a true cipher) devised by Francis Bacon. A message is concealed in the presentation of text, rather than its content.To encode a message, each… … Wikipedia
Combined Cipher Machine — CSP 1600, the replacement stepping unit to adapt the ECM Mark II to CCM 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… … Wikipedia
Mercury (cipher machine) — Mercury was a British cipher machine used by the Air Ministry from 1950 until at least the early 1960s. Mercury was an online rotor machine descended from Typex, but modified to achieve a longer cycle length using a so called double drum basket… … Wikipedia
cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction … Universalium
William F. Friedman — Infobox Engineer image width = 180px caption = William F. Friedman name = William F. Friedman nationality = United States birth date = September 24, 1891 birth place = Kishinev, Bessarabia death date = November 12, 1969 death place = education =… … Wikipedia
Фридман, Уильям Фредерик — Уильям Фредерик Фридман William Frederick Friedman … Википедия
Pearl Harbor advance-knowledge debate — The Pearl Harbor advance knowledge debate is a dispute over what, if any, advance knowledge American officials had of Japan s December 7, 1941 attack on Pearl Harbor.Ever since the Japanese attack there has been debate as to how and why the… … Wikipedia
Frank Rowlett — Frank Byron Rowlett (May 2, 1908 June 29, 1998) was an American cryptologist.He was born in Rose Hill, Virginia and attended Emory Henry College in Emory, Virginia, where he was a member of the Beta Lambda Zeta fraternity. In 1929 he received a… … Wikipedia
