cipher group

cipher group
шифруемая группа знаков, группа знаков (блок) шифротекста

Англо-русский словарь по компьютерной безопасности. . 2011.

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  • Group theory — is a mathematical discipline, the part of abstract algebra that studies the algebraic structures known as groups. The development of group theory sprang from three main sources: number theory, theory of algebraic equations, and geometry. The… …   Wikipedia

  • Cipher Manuscripts — Main article: Hermetic Order of the Golden Dawn The Cipher Manuscripts are a collection of 60 folios containing the structural outline of a series of magical initiation rituals corresponding to the spiritual elements of Earth, Air, Water and Fire …   Wikipedia

  • Cipher runes — The Rök Runestone features tent runes in its uppermost row. Centered in the bottom row is a hook rune. Cipher runes, or cryptic runes, are the cryptographical replacement of the letters of the runic alphabet. Contents …   Wikipedia

  • Caesar cipher — The action of a Caesar cipher is to replace each plaintext letter with one fixed number of places down the alphabet. This example is with a shift of three, so that a B in the p …   Wikipedia

  • D'Agapeyeff cipher — The D Agapeyeff cipher is an as yet unbroken cipher that appears in the first edition of Codes and Ciphers, an elementary book on cryptography published by the Russian born English cartographer Alexander D Agapeyeff in 1939. Offered as a… …   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

  • Dorabella Cipher — The text of the Dorabella Cipher, in Elgar s handwriting The Dorabella Cipher is an enciphered letter written by Edward Elgar to Miss Dora Penny, which was accompanied by another dated July 14, 1897. Penny was never able to decipher it and its… …   Wikipedia

  • DFC (cipher) — This article is about the block cipher. For other uses, see DFC (disambiguation). DFC General Designers Jacques Stern, Serge Vaudenay, et al. First published 1998 Related to COCONUT98 Cipher detail …   Wikipedia

  • Purple (cipher machine) — This article is about the Japanese cipher Purple, also known as AN 1 (citation for AN 1 nomenclature for Purple?). For other Japanese ciphers, such as JN 25 which played a part in the Battle of Midway, see Japanese naval codes. In the history of… …   Wikipedia


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