Category:Grille ciphers

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English: A grille cipher is an encryption method using a grid of characters. Types of grill ciphers include the Cardan grille, single-letter grilles, "trellis" or "chessboard" ciphers, and turning grilles such as the Fleissner grille.


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Media in category "Grille ciphers"

The following 18 files are in this category, out of 18 total.