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RFID authentication architecture and methods for RFID authentication

  • US 9,231,947 B2
  • Filed: 03/25/2014
  • Issued: 01/05/2016
  • Est. Priority Date: 01/30/2008
  • Status: Active Grant
First Claim
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1. A method for mutual authentication in a radio frequency identification (RFID) system comprising an RFID reader and an RFID tag, the method comprising:

  • requesting an identifier from the RFID tag;

    receiving the identifier;

    selecting a password based at least in part on the identifier;

    selecting a first of a plurality of indexed mathematical kernels, wherein the first mathematical kernel comprises a first parameter set;

    using the first mathematical kernel to generate a first password keyencrypting the password using the first password key; and

    transmitting the password encrypted using the first password key to the RFID tag.

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