Last Updated
：2025/11/29
Cardan grille
Noun
Japanese Meaning
暗号技法の一種で、カードや薄い金属の板などに適当な位置に穴を開け、その穴を通して秘密のメッセージを記述し、残りの部分を意味のない語で埋めることで、メッセージを隠蔽する手法
（ plural ）
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(cryptography) A sheet of card or thin metal, etc., used in composing secret messages. The words of the message are written through a number of holes cut arbitrarily in the sheet, and the remaining paper is then filled with irrelevant words to disguise it.
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Cardan grille
The spy concealed his message by writing the instructions through the holes of a Cardan grille before passing the paper to his contact.
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The spy concealed his message by writing the instructions through the holes of a Cardan grille before passing the paper to his contact.
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