Construct · 1 fields · 1 citations

grille: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
grille1 CONSTRUCTGrille cipherCARDAN GRILLE

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Cryptography

A holed overlay hides a message in plain text

In cryptography a grille is a sheet with holes cut in it that is laid over a writing surface so that the hidden message appears only through the openings, the rest filled with innocuous text (the Cardan grille), or, in the turning grille, rotated through four positions to read or write successive letters. It is a transposition-and-concealment device whose key is the pattern and placement of the apertures. Kahn's The codebreakers traces the grille's history and cryptanalysis. The referent is a steganographic/transposition tool, sharing only the idea of a holed grid with a stamp's grill or a building's grating.[1]

Unit
The hole pattern that selects which positions carry the secret message
Recovery means
Not applicable
Measured by
Defined by the number, position, and (for turning grilles) rotation of the apertures that form the key

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Nearby constructs

architecture3 fields · 4 citationsjingle · one word, three constructsarrangement3 fields · 6 citationsjingle · one word, three constructs

References

  1. Kahn, D. (1996). The codebreakers: The story of secret writing (Rev. ed.). Scribner. ISBN 9780684831305

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