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Low Cost RFID Tag Security And Privacy System And Method

  • US 20080297326A1
  • Filed: 03/25/2008
  • Published: 12/04/2008
  • Est. Priority Date: 03/30/2007
  • Status: Abandoned Application
First Claim
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1. A method for provisioning security for an RFID tag comprising:

  • generating a random new tag ID;

    generating a new master key based on an existing master key; and

    generating encrypted user data to be placed on the tag utilizing the new tag ID as an IV and the new master key as input to an encryption algorithm; and

    writing the new tag ID and the encrypted user data to the tag.

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