An encryption table for the Bellaso / Della Porta cipher, invented in Italy in 1553. Only ten rows are shown, as wx / yz were not in the key. An encryption table for the Bellaso / Della Porta cipher, ...
Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...
What secret alchemical knowledge could be so important it required sophisticated encryption? The setting was Amsterdam, 2019. A conference organized by the Society for the History of Alchemy and ...
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