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USING PROMISCUOUS AND NON-PROMISCUOUS DATA TO VERIFY CARD AND READER IDENTITY

  • US 20070034691A1
  • Filed: 08/14/2006
  • Published: 02/15/2007
  • Est. Priority Date: 08/15/2005
  • Status: Active Grant
First Claim
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1. An access control system, comprising:

  • (a) one or more radio frequency identification (RFID) devices, each RFID device including a memory comprising promiscuous and non-promiscuous regions, (i) said promiscuous region including data comprising at least one of manufacturer data, configuration data and general non-secure data;

    (ii) said non-promiscuous region including at least one of manufacturer data, configuration data, shared-secret data and holder data;

    (b) one or more radio frequency (RF) interrogators (readers), said readers transmitting an RF signal to create an active RF zone around said readers; and

    wherein, when an RFID device is positioned in an active zone of a reader, data stored in the promiscuous region is first transmitted from the RFID device to the reader, and data from the non-promiscuous region is selectively transmitted to the reader only upon a request initiated by the reader.

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