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keyword cipher with key letter

For the encryption process, The first letter of the original text, E is paired with A, the first letter of the key. until the keyword is used up, whereupon the rest of the ciphertext letters are used in alphabetical order, … Bellaso This cipher uses one or two keys and it commonly used with the Italian alphabet. Instructions for a keyword cipher First, the alphabet is written out in order. { ), (This JavaScript program written by Jim Hannon for Secret Code Breaker), A program written by Peter Conrad that can break many secret messages that have been enciphered using a Keyword Cipher.