cipher equipment

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• Cipher (comics) — Not to be confused with Cypher (comics) or Cipher (newuniversal). Cipher Cipher in her first appearance by Rapha Sandoval. Young X Men #8. Publication information …   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

• Playfair cipher — The Playfair cipher or Playfair square is a manual symmetric encryption technique and was the first literal digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair who promoted the… …   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

• C-52 (cipher machine) — The (Hagelin) C 52 and CX 52 were cipher machines manufactured by Crypto AG starting 1951/1952. These pin and lug type cipher machines were advanced successors of the C 38/M 209. The machine measures 8 1/2in times; 5 3/8in times; 4 3/8in. The… …   Wikipedia

• Joint Cipher Bureau — The Joint Cipher Bureau is an agency of the Indian armed forces responsible for signals intelligence and cryptanalysis and co ordinating similar activities and operations of military intelligence agencies.Most current equipment providing tactical …   Wikipedia

• Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   Wikipedia

• Rockex — Rockex, or Telekrypton, was an offline one time tape cipher machine known to have been used by Britain and Canada from 1943. It was developed by Benjamin deForest Bayly, working during the war for British Security Coordination. Rockex was named… …   Wikipedia

• CD-57 — ouverte …   Wikipédia en Français

• CD57 — CD 57 La CD 57 était une machine de chiffrement mécanique portative conçue par Crypto AG et commercialisée à partir de 1957[1]. Elle était dérivée du modèle CD 55 et fut conçue pour être compatible avec les machines C 52, plus volumineuses.… …   Wikipédia en Français

• CD-57 — The (Hagelin) CD 57 was a portable, mechanical cipher machine manufactured by Crypto AG, first produced in 1957 (1). It was derived from the earlier CD 55, and was designed to be compatible with the larger C 52 machines. Compact, the CD 57… …   Wikipedia