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12 Example: Playfair Cipher - EECS at UC Berkeley
people.eecs.berkeley.edurow 3, column 2. But in the Playfair program, the row and column numbers are going to be very important. If you want to know more about how to break a Playfair cipher, you can see an example in a mystery novel by Dorothy L. Sayers. In this project, I’m less ambitious: the program merely enciphers a message, given the keyword and the cleartext ...
Regulation : 2013 Branch : B.E – CSE Year / Semester : IV/ VII
www.vvitengineering.comThe 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 letter of the alphabet is omitted from the table (as there are 25 spots and 26