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System and method for protecting a multipurpose data string used for both decrypting data and for authenticating a user

  • US 6,230,272 B1
  • Filed: 10/14/1997
  • Issued: 05/08/2001
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Term
First Claim
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1. A method for protecting a multipurpose data string used for both decrypting data and for authenticating a user, comprising the steps of:

  • requesting the multipurpose data string from a remote storage element, that also stores user authentication data without storing a private key, for transfer to another storage element; and

    determining at least a passkey for decrypting encrypted data, based on the multipurpose data string, in response to transferring the stored data string from the remote storage element.

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