The Playfair cipher starts with creating a key table. The key table is a 5×5 grid of letters that will act as the key for encrypting your plaintext. Each of the 25 letters must be unique and one ...
Encrypted document contains the cipher-text of Chapter 1 of The Hobbit, encrypted with the key THEQUICKBROWNFXMPDVLAZYGS. The total number of characters in the text is 35,713. All instances of the ...