enciphering a message

См. также в других словарях:

• Key enciphering key identifier — (IDK2)   An ISO term. The identification of a key enciphering key (pair) used to encipher the key being transmitted in a cryptographic service message. 16x …   International financial encyclopaedia

• The Soviet System of Encription — During the late 1930s, the Soviet Union had designed a sophisticated method of securing its diplomatic communications. Messages were sent by diplomatic pouch, shortwave radio, and international cable. While longer messages and scientific samples… …   Historical dictionary of Russian and Soviet Intelligence

• Peter Twinn — Peter Frank George Twinn (9 January 1916 ndash; 29 October 2004Dan Van Der Vat, Obituary: Peter Twinn , The Guardian , 20 November 2004] ) was a British mathematician, World War II codebreaker and entomologist.Education and codebreakingBorn in… …   Wikipedia

• Tableau de Concordance — The Tableau de Concordance was the main French diplomatic code used during World War I; the term also refers to any message sent using the code. It was a superenciphered four digit code that was changed three times between 1 August 1914 and 15… …   Wikipedia

• M-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… …   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

• Japanese cryptology from the 1500s to Meiji — The cipher system that Uesugi used is basically a simple substitution usually known as a Polybius square or “checkerboard.” The i ro ha alphabet contains forty eight letters, so a seven by seven square is used, with one of the cells left blank.… …   Wikipedia

• Alberti cipher disk — The Alberti cipher disk, also called formula, is a cipher disc which was described by Leon Battista Alberti in his treatise De Cifris of 1467. The device embodies the first example of polyalphabetic substitution with mixed alphabets and variable… …   Wikipedia

• Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key …   Wikipedia

• cryptology — 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 …   Universalium

• Counter B — (CTB)   An ISO term. A counter associated with a key enciphering key pair used to encipher either a notarised key enciphering key (pair) or notarised data enciphering keys sent in a cryptographic service message. 14h …   International financial encyclopaedia