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The list of ciphers in this work included both substitution and transposition, and for the first time, a cipher with multiple substitutions for each plaintext letter. Charles Babbage, UK, 19th century mathematician who, about the time of the Crimean War, secretly developed an effective attack against polyalphabetic substitution ciphers.
Pages in category "American cryptographers" The following 104 pages are in this category, out of 104 total. This list may not reflect recent changes. A.
Cryptographers are people involved in making or breaking codes, ciphers, and other cryptographic algorithms. People who break systems are also known as codebreakers or cryptanalysts . See also: List of cryptographers , List of cryptography topics , Category:Intelligence analysts
U.S. Army Signals Intelligence Service cryptologists, mostly women, at work at Arlington Hall circa 1943. The Code Girls or World War II Code Girls is a nickname for the more than 10,000 women who served as cryptographers (code makers) and cryptanalysts (code breakers) for the United States Military during World War II, working in secrecy to break German and Japanese codes.
American cryptographers (3 C, 104 P) Australian cryptographers (7 P) Austrian cryptographers (4 P) B. Belgian cryptographers (7 P) British cryptographers (3 C, 57 P) C.
Benjamin Radford (b. 1970), American writer and cryptozoology skeptic; author of Bigfoot at 50: Evaluating the Evidence [1] [9] [40] Brian Regal, American science historian and cryptozoology skeptic; [6] author of Searching for Sasquatch: Crackpots, Eggheads and Cryptozoology; Bob Rickard, British writer and former editor of the Fortean Times ...
Pages in category "American women cryptographers" The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes. A.
Pages in category "National Security Agency cryptographers" The following 29 pages are in this category, out of 29 total. This list may not reflect recent changes. B.