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Methods and apparatus for authenticating the download of information onto a smart card

  • US 6,931,381 B1
  • Filed: 03/10/2000
  • Issued: 08/16/2005
  • Est. Priority Date: 03/11/1999
  • Status: Expired due to Term
First Claim
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1. A method for an information owner to download software to an information device over a network, wherein said information device comprises a smart card, and said method comprises the steps of:

  • a. the information owner delegating to a third party, download of said software from a server associated with said third party to the information device, wherein said information device is capable of downloading new instruction, update existing instructions, and overwriting existing instructions;

    b. the information device computing an acknowledgment of said download of said software, wherein said acknowledgment includes a digital signature created via public key encryption;

    c. the information device sending said computed acknowledgment to the information owner via said network; and

    d. the information owner verifying the computed acknowledgment, wherein only the information owner can verify the computed acknowledgment.

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