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RADIO FREQUENCY IDENTIFICATION (RFID) BASED AUTHENTICATION METHODOLOGY USING STANDARD AND PRIVATE FREQUENCY RFID TAGS

  • US 20100011212A1
  • Filed: 07/11/2008
  • Published: 01/14/2010
  • Est. Priority Date: 07/11/2008
  • Status: Active Grant
First Claim
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1. A radio frequency identification (RFID) authentication system comprising:

  • a RFID device comprising;

    a first RFID tag comprising;

    a first integrated circuit device storing an encrypted identifier for a specific user, said encrypted identifier encrypted with a public key; and

    a first RFID tag antenna connected to said first integrated circuit device, said first RFID tag antenna transmitting said encrypted identifier, when activated; and

    a second RFID tag comprising;

    a second integrated circuit device storing a private key; and

    a second RFID tag antenna connected to said second integrated circuit device, said second RFID tag antenna transmitting said private key, when activated,said first RFID tag antenna operating at a first radio frequency and said second RFID tag antenna operating at a second radio frequency different from said first radio frequency and having restricted use relative to said first radio frequency; and

    a RFID reader comprising a first RFID reader antenna for activating said first RFID tag antenna and second RFID reader antenna for activating said second RFID tag antenna.

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