Playfair Cypher Example
How does it work: Decryption
2 If two characters are on the same
row take the characters to the left.
3 If two characters are on the same
column take the characters above
4 If the letters make a rectangle, take
the letters in opposite corners,
taking the first letter first, then the
5 Now decrypt the following message.
Don’t worry, this message will appear again on the final screen so that you will have time to write it down.
What is the decrypted message?
LRWDJWEPOJRLDTACEQAVDVFRXIFXHCFXHJOBEJBLTGSW
Introduction to Encryption