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Alberti cipher
Polyalphabetic substitution encryption and decryption system / From Wikipedia, the free encyclopedia
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The Alberti Cipher, created in 1467 by Italian architect Leon Battista Alberti, was one of the first polyalphabetic ciphers.[1] In the opening pages of his treatise De componendis cifris [it] he explained how his conversation with the papal secretary Leonardo Dati about a recently developed movable type printing press led to the development of his cipher wheel.[2]
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