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Configuration of IC card

  • US 6,761,319 B2
  • Filed: 10/30/2001
  • Issued: 07/13/2004
  • Est. Priority Date: 01/22/1998
  • Status: Expired due to Term
First Claim
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1. A secure multiple application card system including an IC card comprising a microprocessor, a read-only memory and an electrically erasable programmable read only memory, said system comprising:

  • means for manufacturing said IC card and for storing at the time of manufacture in said read-only memory an operating system and programming instructions without an address table with memory addresses of at least one of said programming instructions, said programming instructions not being operational until subsequent storing of said address table at the time of personalization; and

    means for personalizing said IC card after said manufacturing step and for storing at the time of personalization in said electrically erasable programmable read only memory said address table with memory addresses of at least one of said programming instructions, wherein the operating system will only access the programming instructions in accordance with the addresses indicated in the address table.

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