Étienne Bazeries — (21 August 1846 7 November 1931) was a French military cryptanalyst active between 1890 and the First World War. He is best known for developing the Bazeries Cylinder , an improved version of Thomas Jefferson s cipher cylinder. It was later… … Wikipedia
Jefferson disk — The Jefferson disk, or wheel cypher as Jefferson named it, is a cipher system using 26 wheels, each with the letters of the alphabet arranged randomly around them. First invented by Thomas Jefferson in 1795, it did not become well known and was… … Wikipedia
Cryptex — Replica cryptex: prize from Google Da Vinci Code Quest Contest The word cryptex is a neologism coined by the author Dan Brown for his 2003 novel The Da Vinci Code, denoting a portable vault used to hide secret messages. It is a combi … Wikipedia
List of cryptographers — See also: Category:Cryptographers for an exhaustive list. Contents 1 Pre twentieth century 2 World War I and World War II Wartime Cryptographers 3 Other pre computer 4 Modern … Wikipedia
Enigma machine — Military Enigma machine … Wikipedia
SIGSALY — exhibit at the National Cryptologic Museum In cryptography, SIGSALY (also known as the X System, Project X, Ciphony I, and the Green Hornet) was a secure speech system used in World War II for the highest level Allied communications. It pioneered … Wikipedia
List of formal language and literal string topics — This is a list of formal language and literal string topics, by Wikipedia page. Contents 1 Formal languages 2 Literal strings 3 Classical cryptography Formal languages Abstract syntax tree … Wikipedia
NEMA (machine) — The NEMA machine was a Swiss rotor machine, designed to replace commercial Enigma machines. In the history of cryptography, the NEMA (NEue MAschine) ( new machine ), also designated the T D (Tasten Druecker Maschine) ( key stroke machine ), was a … Wikipedia
Secure voice — (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. Contents 1 History 2 Analog Secure Voice technologies 3 Di … Wikipedia
Controlled Cryptographic Item — A Controlled Cryptographic Item (CCI) is a U.S. National Security Agency term for secure telecommunications or information handling equipment, associated cryptographic component or other hardware item which performs a critical COMSEC… … Wikipedia