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Smart card with random temporary account number generation

  • US 20080201265A1
  • Filed: 11/02/2007
  • Published: 08/21/2008
  • Est. Priority Date: 02/15/2007
  • Status: Active Grant
First Claim
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1. A smart card with random temporary account number generation, comprising:

  • a card having opposed upper and lower surfaces;

    a first memory storage medium attached to the card, the first memory storage medium having a plurality of temporary account numbers stored thereon;

    a biometric sensor mounted on the upper surface of the card;

    a second memory storage medium attached to the card, the second memory storage medium having biometric parameters specific to an authorized user of the smart card stored thereon;

    a processor electrically connected to the first memory storage medium, the second memory storage medium, and the biometric sensor, the processor selectively comparing biometric measurement signals generated by the biometric sensor with the biometric parameters specific to the authorized user of the smart card stored in the second memory storage medium, the processor further having a random number generator for randomly selecting one of the plurality of temporary account numbers stored in the first memory storage medium; and

    means for communicating the randomly selected temporary account number generated by the processor to a remote authorization system for comparison with a corresponding temporary account number generated by the remote authorization system.

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