In the Playfair cipher, there are many letters that will stand for an E, making it much harder to crack! But if you know the system, decoding a message is a simple process. Let’s start with a ...

Like the Playfair, the Double Playfair cipher uses 5x5 squares. In this case two keywords are chosen, and each square is filled in the same way as the Playfair.

Hint #2 for Playfair Cipher Back to Hint #1 Using the same methods for trying to locate the crib RED PENGUIN FRENZY, we note that it can be segmented either as RE DP EN GU IN FR EN ZY or ...