Method and apparatus for providing mutual authentication between a sending unit and a recipient

  • US 20050144449A1
  • Filed: 10/18/2004
  • Published: 06/30/2005
  • Est. Priority Date: 12/30/2003
  • Status: Active Grant
First Claim
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1. A method for providing mutual authentication between a user and a sender comprising:

  • (a) determining, for a user that has been assigned an article, desired sender authentication information that corresponds to sender authentication information that is embodied on the article, and wherein the sender authentication information can be located on the article by using location information;

    (b) sending a challenge for the user that includes at least location information that identifies the desired sender authentication information;

    (c) receiving a reply to the sent challenge;

    (d) determining whether the received reply to the challenge includes the desired sender authentication information that was identified by the location information in the sent challenge;

    (e) if the received sender authentication information is not the desired sender authentication information, then resending the same challenge for the user that includes at least the same location information that was previously sent; and

    (f) repeating steps (d) and (e) until the received reply includes the desired sender authentication information that is on the article.

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