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2 unusual facts about substitution cipher


Substitution cipher

In the Artemis Fowl series by Eoin Colfer there are three substitution ciphers; Gnommish, Centaurean and Eternean, which run along the bottom of the pages or are somewhere else within the books.

In a mechanical implementation, rather like the ROCKEX equipment, the one-time pad was used for messages sent on the Moscow-Washington hot line established after the Cuban missile crisis.


Beaufort cipher

The Beaufort cipher, created by Sir Francis Beaufort, is a substitution cipher similar to the Vigenère cipher, with a slightly modified enciphering mechanism and tableau.


see also