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User authentication for contact-less systems

  • US 7,246,744 B2
  • Filed: 12/13/2005
  • Issued: 07/24/2007
  • Est. Priority Date: 12/22/2004
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • receiving, at a contact-less tag reader, first data transmitted by a tag;

    validating the first data to determine whether the first data comprises candidate data for authentication, the validating being deemed successful if the first data comprises candidate data for authentication, and unsuccessful otherwise;

    responsive to the validating being deemed successful, authenticating the candidate data;

    wherein said validating comprises;

    extracting from the first data an identifier and second data;

    comparing the identifier to a predetermined reference identifier; and

    concluding that the first data comprises candidate data for authentication if the identifier matches the predetermined reference identifier.

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