6 Questions
How is the Playfair cipher different from other encryption ciphers?
It treats digrams in the plaintext as single units.
What does the Playfair algorithm use to construct the matrix for encryption?
Keyword
How are repeating plaintext letters that would fall in the same pair handled in the Playfair cipher?
They are separated with a filler letter like 'x'.
What happens to plaintext letters that fall in the same row of the matrix in the Playfair cipher?
They are replaced by the letter to the right.
How are plaintext letters that fall in the same column handled in the Playfair cipher?
They are replaced by the letter beneath.
Which letter in the Playfair cipher matrix counts as one letter along with 'i'?
'j'
Learn about the Playfair cipher encryption technique where digrams in the plaintext are treated as single units and translated into cipher text digrams. Understand how to construct a 5x5 matrix of letters using a keyword like 'monarchy' to encrypt messages.
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