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Cyber Camp Activity Before Lunch 11:00AM July 19th, 2017

by Dr. Mark E. Lehr

Keeping Information Private
  1. Convert a Pass-phrase into a seed
  2. Type in your Pass-phrase then click the button "Create Seed"
  • Enter a Pass-Phrase
  • Seed 40 Hex - SHA1 Result:
    Seed Integer 4 Byte Result:
Create a Message, Copy and Email to a Team-Mate to see if they can Decrypt it"

  • Click the button to Encrypt


  • Note: This is a symmetrical Encryption!!!"
    With the same Pass-phrase you can decrypt the encrypted text"

    Click the button to Decrypt


When finished you can go to the next page Break the Code