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substitution-transposition cipher

См. также в других словарях:

  • Transposition cipher — In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext… …   Wikipedia

  • transposition cipher — noun : cipher 2a(2) * * * Cryptography. a cipher that rearranges the letters of the plain text in a different sequence. Cf. substitution cipher. [1935 40] …   Useful english dictionary

  • transposition cipher — noun Date: 1939 a cipher in which the letters of the plaintext are systematically rearranged into another sequence compare substitution cipher …   New Collegiate Dictionary

  • transposition cipher — Cryptography. a cipher that rearranges the letters of the plain text in a different sequence. Cf. substitution cipher. [1935 40] * * * …   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

  • cipher — cipherable, adj. cipherer, n. /suy feuhr/, n. 1. zero. 2. any of the Arabic numerals or figures. 3. Arabic numerical notation collectively. 4. something of no value or importance. 5. a person of no influence; nonentity. 6. a secret method of… …   Universalium

  • substitution cipher — noun Date: 1936 a cipher in which the letters of the plaintext are systematically replaced by substitute letters compare transposition cipher …   New Collegiate Dictionary

  • substitution cipher — Cryptography. a cipher that replaces letters of the plain text with another set of letters or symbols. Cf. transposition cipher. [1935 40] * * * …   Universalium

  • substitution cipher — Cryptography. a cipher that replaces letters of the plain text with another set of letters or symbols. Cf. transposition cipher. [1935 40] …   Useful english dictionary

  • Cipher — For other uses, see Cipher (disambiguation). Edward Larsson s rune cipher resembling that found on the Kensington Runestone. Also includes runically unrelated blackletter writing style and pigpen cipher. In cryptography, a cipher (or cypher) is… …   Wikipedia

  • Transposition (Kryptographie) — In der Kryptographie ist die Transposition eine der beiden grundlegenden Verschlüsselungsklassen.[1] Dabei werden die Zeichen einer Botschaft (des Klartextes) umsortiert. Jedes Zeichen bleibt zwar unverändert erhalten, jedoch wird die Stelle, an… …   Deutsch Wikipedia

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