Re: Cracking decrypted file when knowing partial contents

From: Douglas A. Gwyn (DAGwyn_at_null.net)
Date: 04/21/04

  • Next message: Douglas A. Gwyn: "Re: Cracking decrypted file when knowing partial contents" 
    Date: Tue, 20 Apr 2004 23:21:52 -0400

    Bill Unruh wrote:
    > How would you advise
    > systems to take sufficient precautions against the unknown?

    At the very least, they need to include a random "nonce"
    of sufficient length. And whether this nonce can be in
    effect eliminated by the cryptanalyst using multiple
    successive blocks needs to be studied *very* carefully.

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