Playfair Cipher
NOTE: There should be no repetition of the alphabets in the key.
Ex: hello, here l occurs twice.
Note: If column shows undefined please refresh page and try again.
| a | b | c | d | e |
| f | g | h | i/j | k |
| l | m | n | o | p |
| q | r | s | t | u |
| v | w | x | y | z |