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1 polygraphic substitution
(multilateral substitution) подстановка с заменой одного знака несколькими, многознаковая подстановкаАнгло-русский словарь по компьютерной безопасности > polygraphic substitution
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2 polygraphic substitution cipher system
полиграфический шифр замены
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[[http://www.rfcmd.ru/glossword/1.8/index.php?a=index&d=23]]Тематики
EN
Англо-русский словарь нормативно-технической терминологии > polygraphic substitution cipher system
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3 substitution
1) замена, подстановка2) подмена; подлог- digraph substitution- digraphic substitutionАнгло-русский словарь по компьютерной безопасности > substitution
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4 polygraphic substitute
(multilateral substitution) подстановка с заменой одного знака несколькими, многознаковая подстановкаАнгло-русский словарь по компьютерной безопасности > polygraphic substitute
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5 cipher
1) шифр || шифровать2) ключ к шифру3) (арабская) цифра || представлять в цифровом виде; проф. оцифровывать4) вычислять5) комбинация букв (напр. инициалы)6) нуль•- asymmetric cipher
- authenticating block cipher
- back-door cipher
- block cipher
- breakable cipher
- broken cipher
- Caesar cipher
- codebook cipher
- codebook-style cipher
- conceptually different ciphers
- conventional cipher
- cylinder cipher
- Diffie-Hellman cipher
- dynamic cipher
- dynamically-keyed block cipher
- dynamic-transposition block cipher
- exclusive OR stream cipher
- Feistel cipher
- full-size cipher
- gamming cipher
- general stream cipher
- homomorphic block cipher
- homophonic cipher
- iterative cipher
- meta-cipher
- mixing cipher
- monoalphabetic cipher
- monographic cipher
- permutation cipher
- Playfair cipher
- polyalphabetic cipher
- polygraphic cipher
- polyphonic cipher
- product cipher
- public-key cipher
- running-key -cipher
- scalable cipher
- secret cipher
- secret key cipher
- self-synchronizing cipher
- S-P cipher
- stream cipher
- stream-generator cipher
- stream meta-cipher
- strong cipher
- substitution cipher
- substitution-permutation cipher
- symmetric cipher
- transposition cipher
- two-key cipher
- unbreakable cipher
- variable size block cipher -
6 cipher
1) шифр || шифровать2) ключ к шифру3) (арабская) цифра || представлять в цифровом виде; проф. оцифровывать4) вычислять5) комбинация букв (напр. инициалы)6) нуль•- asymmetric cipher
- authenticating block cipher
- back-door cipher
- block cipher
- breakable cipher
- broken cipher
- Caesar cipher
- codebook cipher
- codebook-style cipher
- conceptually different ciphers
- conventional cipher
- cylinder cipher
- Diffie-Hellman cipher
- dynamic cipher
- dynamically-keyed block cipher
- dynamic-transposition block cipher
- exclusive OR stream cipher
- Feistel cipher
- full-size cipher
- gamming cipher
- general stream cipher
- homomorphic block cipher
- homophonic cipher
- iterative cipher - monoalphabetic cipher
- monographic cipher
- permutation cipher
- Playfair cipher
- polyalphabetic cipher
- polygraphic cipher
- polyphonic cipher
- product cipher
- public-key cipher
- running-key-cipher
- scalable cipher
- secret cipher
- secret key cipher
- self-synchronizing cipher
- S-P cipher
- stream cipher - strong cipher
- substitution cipher
- substitution-permutation cipher
- symmetric cipher
- transposition cipher
- two-key cipher
- unbreakable cipher
- variable size block cipherThe New English-Russian Dictionary of Radio-electronics > cipher
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7 substitute
1) элемент замены (подстановки)2) (substitution)a). замена, подстановка б). подмена; подлог- digraph substitute- digraphic substituteАнгло-русский словарь по компьютерной безопасности > substitute
См. также в других словарях:
Polygraphic substitution — A polygraphic substitution is a cipher in which a uniform substitution is performed on blocks of letters. When the length of the block is specifically known, more precise terms are used: for instance, a cipher in which pairs of letters are… … 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
Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… … Wikipedia
Four-square cipher — The Four square cipher is a manual symmetric encryption technique. It was invented by famous French cryptographer Felix Delastelle.The technique encrypts pairs of letters ( digraphs ), and thus falls into a category of ciphers known as… … Wikipedia
Two-square cipher — The Two square cipher is a manual symmetric encryption technique. It was developed to ease the cumbersome nature of the large encryption/decryption matrix used in the four square cipher while still being slightly stronger than the Playfair cipher … Wikipedia
Frequency analysis — In cryptanalysis, frequency analysis is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking classical ciphers.this is wrong is based on the fact that, in any given stretch of… … 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
Topics in cryptography — This article is intended to be an analytic glossary , or alternatively, an organized collection of annotated pointers.Classical ciphers*Autokey cipher *Permutation cipher*Polyalphabetic substitution **Vigenère cipher*Polygraphic substitution… … Wikipedia
Félix Delastelle — Félix Marie Delastelle (1840–1902) was a Frenchman most famous for his invention of several systems of polygraphic substitution ciphers including the bifid, trifid, and the four square ciphers. David Kahn wrote that Delastelle invented a… … Wikipedia
полиграфический шифр замены — — [[http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23]] Тематики защита информации EN polygraphic substitution cipher system … Справочник технического переводчика
Outline of cryptography — See also: Index of cryptography articles The following outline is provided as an overview of and topical guide to cryptography: Cryptography (or cryptology) – practice and study of hiding information. Modern cryptography intersects the… … Wikipedia