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What is Understanding the Tabula Recta about?

1) The tabula recta is a square table invented by Johannes Trithemius in 1508 that contains 26 rows of the alphabet, each shifted one letter left from the row above it. 2) Trithemius used the tabula recta to develop one of the earliest polyalphabetic ciphers, known as the Trithemius cipher. 3) The Trithemius cipher works by mapping each letter of the plaintext to the corresponding letter in the tabula recta interior columns, encrypting the message. Decryption works in the reverse by mapping ciphertext l

Author

xativiy256

Language

EN