Parks -- FALL 1998 Last Updated 12PM 2/4/2014
1.Enter a Key below (any text): 2.Enter Plain Text below (any text):These are the times that try men's souls: The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of his country; but he that stands by it now, deserves the love and thanks of man and woman. (XOR the Key (1 above) and the Plain Text (2 above) to create the Cipher Text below) 3.Cipher Text (this is the encrypted message you send): (XOR the Cipher Text (3 above) with the Key (1 above) to recover the Plain Text) 4.Recovered Plain Text (this is the decoded message): This form of encryption is called a "Vernam Cipher" aka: "Not Equal (NEQ)", "modulo 2 addition (without 'carry')", "modulo 2 subtraction (without 'borrow')" Encryption invented by Gilbert Sandford Vernam (1890-1960). Text quote by Thomas Paine, The Crisis, Dec 23 1776
This form of encryption is called a "Vernam Cipher"
aka:
Text quote by Thomas Paine, The Crisis, Dec 23 1776