What is the rule for encryption in playfair cipher if the letters in a pair are identical?
Posted: Wed Jul 13, 2022 7:40 pm
a) then that pair is neglected
b) a null is added in between the letters
c) one of the identical letter is replaced by some other letter
d) then both of the letters are replaced by the letter appearing just next in the row
b) a null is added in between the letters
c) one of the identical letter is replaced by some other letter
d) then both of the letters are replaced by the letter appearing just next in the row