Feistel System (Simplified DES)

Interactive Demo

Instructions for Applet

Please read the instructions before using the simplified DES interactive Applet.

  1. The Input Message should be a binary number with exactly 12 bits

  2. The Key Message should be a binary number with exactly 9 bits

  3. The click on Encrypt button for encryption and Decrypt for decryption

  4. Instructions and explanation  is shown at the bottom of the applet.