Playfair Cypher Example
How does it work: Encryption (continued)
10 Encrypt LY. This forms a rectangle. Take the letter pair formed in opposite
corners of the rectangle, starting with
the letter on the row of the first letter.
11 Now encrypt CI. The result is TB.
12 Now encrypt RC. The result is TF.
13 Now encrypt US. The result is VU
Plain Text Ready for Encryption:PI CA DI LX LY CI RC US
Introduction to Encryption