Dynamic Key Cipher

-- type or paste key and plaintext or ciphertext in fields below.
-- use only lower or upper case characters A to Z
-- key should use all 26 letters of alphabet; missing letters will be added
-- click button to Encipher or Decipher & then button Go

Enter Key below:

Enter Plaintext or Ciphertext below:

Output Area for Enciphered Plaintext or Deciphered Ciphertext:

Encipher Decipher


Copyright 2013 Michael J. Cowan