enciphered code
31M-209 — can also refer to a highway in the U.S. state of Michigan; see M 209 (Michigan highway) In cryptography, the M 209, designated CSP 1500 by the Navy (C 38 by the manufacturer) is a portable, mechanical cipher machine used by the US military… …
32Neil Leslie Webster — (November 7, 1906 – 1990) was an army Major who worked in intelligence in World War 2. He was key figure in radio intelligence and cryptography and worked in the Fusion Room at Bletchley Park and was closely involved in the hunt for cribs for the …
33cryptology — 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 …
34Book cipher — A book cipher is a cipher in which the key is some aspect of a book or other piece of text; books being common and widely available in modern times, users of book ciphers take the position that the details of the key is sufficiently well hidden… …
35Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …
36Brainfuck — Not to be confused with Brain Fuck Scheduler. brainfuck Paradigm(s) esoteric Appeared in 1993 Designed by Urban Müller Influenced by P′′, FALSE Usual filename extensions …
37Caesar cipher — The action of a Caesar cipher is to replace each plaintext letter with one fixed number of places down the alphabet. This example is with a shift of three, so that a B in the p …
38Pigpen cipher — The pigpen cipher uses graphical symbols assigned according to a key similar to the above diagram.[1] The pigpen cipher (sometimes referred to as the masonic cipher, Freemason s cipher, Rosicrucian cipher, or Tic tac toe cipher) …
39German weather ship Lauenburg — The Lauenburg was a German weather ship used in the early years of the Second World War to provide weather reports for German shipping, particularly German U boats. Her capture and subsequent sinking on 28 June 1941 allowed the Royal Navy to… …
40Classical cipher — A cipher is a means of concealing a message, where letters of the message are substituted or transposed for other letters, letter pairs, and sometimes for many letters. In cryptography, a classical cipher is a type of cipher that was used… …
