enciphered code
61DRYAD — This article is about the enciphering system. For other uses, see Dryad (disambiguation). The DRYAD Numeral Cipher/Authentication System (KTC 1400 D) is a simple, paper cryptographic system currently in use by the U.S. military for authentication …
62Weather ship — The weather ship MS Polarfront at sea. A weather ship was a ship stationed in the ocean as a platform for surface and upper air meteorological observations for use in weather forecasting. They were primarily located in the north Atlantic and… …
63Cryptic — Cryp tic (kr[i^]p t[i^]k), Cryptical Cryp tic*al ( t? kal), a. [L. crypticus, Gr. kryptiko s, fr. kry ptein to hide.] Hidden; secret; occult. Her [nature s] more cryptic ways of working. Glanvill. [1913 Webster] 2. incomprehensible to those not… …
64Cryptical — Cryptic Cryp tic (kr[i^]p t[i^]k), Cryptical Cryp tic*al ( t? kal), a. [L. crypticus, Gr. kryptiko s, fr. kry ptein to hide.] Hidden; secret; occult. Her [nature s] more cryptic ways of working. Glanvill. [1913 Webster] 2. incomprehensible to… …
65encrypted — a. converted into a coded form that cannot be interpreted without knowing the secret method for interpretation, called the key; of messages or other forms of information. Syn: encoded, coded, enciphered, ciphered, cyphered, written in code.… …
66Atbash — is a simple substitution cipher for the Hebrew alphabet. It consists in substituting aleph (the first letter) for tav (the last), beth (the second) for shin (one before last), and so on, reversing the alphabet. In the Book of Jeremiah, nowrap|לב… …
67Rotor machine — In cryptography, a rotor machine is an electro mechanical device used for encrypting and decrypting secret messages. Rotor machines were the cryptographic state of the art for a brief but prominent period of history; they were in widespread use… …
68Comfort women — Japanese name Kanji 慰安婦 …
69Hans-Thilo Schmidt — (13 May 1888 – 1943) codenamed Asché or Source D, was a spy who, during the 1930s, sold secrets about the Germans Enigma machine to the French. The materials he provided facilitated Polish mathematician Marian Rejewski s reconstruction of the… …
70Perforated sheets — The method of perforated sheets was a cryptologic technique used by the Polish Cipher Bureau before World War II, and during the war by British cryptologists at Bletchley Park, to decrypt messages enciphered on German Enigma machines. The… …
