CORE 139
Methods and Issues in Cryptology
Spring 2004
Playfair Cipher Tool
Enter a keyword and either the plaintext or the ciphertext. Clicking either "encrypt" or "decrypt" will fill in the square used in the cipher, and will display the associated ciphertext (encrypt) or plaintext (decrypt).
keyword:
square:
plaintext:
ciphertext:
sbridgeman@mail.colgate.edu
last updated: --Wed Jan 28 19:50:33 Eastern Standard Time 2004--