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User authentication by linking randomly-generated authentication secret with personalized secret

  • US 20060036857A1
  • Filed: 08/04/2005
  • Published: 02/16/2006
  • Est. Priority Date: 08/06/2004
  • Status: Abandoned Application
First Claim
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1. A method for digital authentication, comprising:

  • using a user device operated by an authorized user to produce and register a secret in a computer system; and

    using a first user input and a second user input from a user requesting to access the computer system to initiate a challenge from the computer system and a response from the requesting user to compare the registered secret with a user-side hash value computed from the first and second user inputs to authorize the requested access when there is a match and to reject the requested access when there is not a match.

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