transposition cipher

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. 2001.

Look at other dictionaries:

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

  • 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

  • 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

  • Classical cipher — A cipher is a means of concealing a message, where letters of the message are substituted or transposed for other letters, letter pairs, and sometimes for many letters. In cryptography, a classical cipher is a type of cipher that was used… …   Wikipedia

  • ADFGVX cipher — In cryptography, the ADFGVX cipher was a field cipher used by the German Army during World War I. ADFGVX was in fact an extension of an earlier cipher called ADFGX. Invented by Colonel Fritz Nebel and introduced in March 1918, the cipher was 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

  • Permutation cipher — In classical cryptography, a permutation cipher is a transposition cipher in which the key is a permutation.To apply a cipher, a random permutation of size e is generated (the larger the value of e the more secure the cipher). The plaintext is… …   Wikipedia

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