monoalphabetic


monoalphabetic
adj моноалфавитный

English-Russian cryptological dictionary . 2014.

Смотреть что такое "monoalphabetic" в других словарях:

  • monoalphabetic — adjective Of a substitution cipher, using the same fixed mappings from plaintext to cipher letters across the entire text …   Wiktionary

  • monoalphabetic — mono·alphabetic …   English syllables

  • monoalphabetic substitution — /mon oh al feuh bet ik, mon oh /, Cryptography. a system of substitution that uses only one cipher alphabet in a cryptogram so that each plaintext letter is always represented by the same cipher. Cf. polyalphabetic substitution. [1935 40; MONO +… …   Universalium

  • monoalphabetic substitution — | ̷ ̷ ̷ ̷ at mono + noun Etymology: mon + alphabetic : substitution in cryptography that uses a single substitution alphabet so that each plaintext letter always has the same cipher equivalent compare polyalphabetic * * * /mon oh al feuh bet ik,… …   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

  • 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

  • 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

  • Rotor 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… …   Wikipedia

  • Affine cipher — Demonstration of an affine cipher using 17x + 5. First the letters are converted into numbers between 0 and 25, then 17x+5 is taken for each, then the results are reduced mod 26, then these are translated back into letters. The Affine cipher is a …   Wikipedia

  • History of cryptography — The history of cryptography begins thousands of years ago. Until recent decades, it has been the story of what might be called classic cryptography that is, of methods of encryption that use pen and paper, or perhaps simple mechanical aids. In… …   Wikipedia

  • Kasiski examination — In cryptanalysis, Kasiski examination (also referred to as Kasiski s Test or Kasiski s Method) is a method of attacking polyalphabetic substitution ciphers, such as the Vigenère cipher. It was independently developed by Charles Babbage and later… …   Wikipedia


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