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Multiple-use smart card with security features and method

  • US 20030196106A1
  • Filed: 04/12/2002
  • Published: 10/16/2003
  • Est. Priority Date: 04/12/2002
  • Status: Active Grant
First Claim
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1. A smart card comprising:

  • a processor for processing data;

    input/output apparatus operably connected to the processor for communicating with a reader/writer station for any of a plurality of data user groups; and

    memory for storing information, the memory being operably connected with the processor to transfer stored information permitting an algorithm to verify the identity of a proper user and refuse use by other users, the memory simultaneously providing information for verifying the user'"'"'s membership in or lack of membership in any of the plurality of data user groups and correspondingly allowing or refusing access to the data of a particular one of the plurality of data user groups according to the algorithm, the algorithm being at least partially included in the memory and providing in each instance a plurality of types of cryptographic security for the data.

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