Cryptanalysis - Fleissner Grille Cipher

The tools on this page should help you break into a ciphertext encrypted using the Fleissner Grille cipher.

Ciphertexts

In the box below put all of the ciphertexts that you have, one on each line.

Make sure that all of the ciphertexts have been encrypted using the Fleissner Grille cipher.

Make sure that all of ciphertexts have been encrypted using the same key.

The Key

Use the grid below to create a key and then click "Decrypt" to use the key on all of the ciphertexts above.

Plaintexts

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