TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CIPHER ALPHABET [5 records]

Record 1 2018-11-27

English

Subject field(s)
  • Encryption and Decryption
DEF

A substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet.

French

Domaine(s)
  • Chiffrage et déchiffrage
DEF

Chiffrement par substitution monoalphabétique obtenu en décalant chaque lettre du texte en clair d'un nombre déterminé de positions dans l'alphabet.

Spanish

Save record 1

Record 2 2015-11-10

English

Subject field(s)
  • Handwriting Analysis and Cryptography

French

Domaine(s)
  • Graphologie et cryptographie
DEF

Ensemble des lettres permettant de représenter les messages du système cryptographique. [Définition reproduite avec l'autorisation de l'AFNOR.]

Spanish

Save record 2

Record 3 1999-06-02

English

Subject field(s)
  • Education Theory and Methods
DEF

An alphabet wheel, often called a cipher clock, is a graphical picture of values that can be used to represent the letters of the alphabet. Most wheels have the plain alphabet in the inside, the circle and the cipher alphabet on the outside.

French

Domaine(s)
  • Théories et méthodes pédagogiques

Spanish

Save record 3

Record 4 1988-03-11

English

Subject field(s)
  • Intelligence (Military)
  • Handwriting Analysis and Cryptography
OBS

Most modern substitution ciphers are of the "double-substitution" type, in which a different cipher alphabet is used to encipher each successive letter of the clear text.

French

Domaine(s)
  • Renseignement (Militaire)
  • Graphologie et cryptographie
DEF

substitution dans laquelle chaque lettre (unité de chiffrement) est chiffrée à l'aide de deux clefs : une clef simple de substitution (clef de rang); une clef déterminant l'ordre d'emploi de cette clef simple de substitution (clef principale).

Spanish

Save record 4

Record 5 1984-06-01

English

Subject field(s)
  • Communication and Information Management
OBS

alphabet in which the cipher component is constructed by mixing the letters at random staff course definitions

French

Domaine(s)
  • Gestion des communications et de l'information

Spanish

Save record 5

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