digraphic substitution


digraphic substitution
биграммная замена (с одновременной обработкой сразу двух знаков).

English-Russian cryptological dictionary . 2014.

Смотреть что такое "digraphic substitution" в других словарях:

  • 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

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  • биграммная замена — Замена с одновременной обработкой сразу двух знаков. [http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23] Тематики защита информации EN digraphic substitution …   Справочник технического переводчика

  • playfair cipher — noun Usage: usually capitalized P Etymology: after Lyon, Baron Playfair died 1898 British scientist & public official : a cipher involving a digraphic substitution from a single alphabet square which begins with the letters of a keyword and… …   Useful english dictionary

  • 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

  • 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


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