Noreen — on display at Bletchley Park museum Noreen, or BID 590, was an off line one time tape cipher machine of British origin. Contents 1 Usage … Wikipedia
Enigma machine — Military Enigma machine … Wikipedia
One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit … Wikipedia
Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… … Wikipedia
William Stephenson — Infobox Military Person name=Sir William Samuel Stephenson born= birth date|1897|1|23 died= death date and age|1989|1|31|1897|1|23 placeofbirth= Winnipeg, Manitoba, Canada placeofdeath= Puget, Bermuda caption= nickname=Intrepid… … 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
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
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
