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CA in a card

  • US 7,624,441 B2
  • Filed: 01/17/2002
  • Issued: 11/24/2009
  • Est. Priority Date: 01/17/2002
  • Status: Expired due to Term
First Claim
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1. A method of transferring the functionality of a smart device (“

  • existing device”

    ) to a different smart device (“

    new device”

    ), without the need of intervention of a third trusted authority and/or device, whereas the said functionality of the existing device is allowed to the user by a certified digital document of a certifying authority (CA), comprising;

    implementing in the new device a document issuing policy of the certifying authority (CA); and

    reading from the existing device into the new device without the intervention of a third trusted device the said certified digital document associated with the said user; and

    generating by the new device a new certified digital document according to the said issuing policy of the said CA, without the intervention of a third trusted authority and/or device which permits the user to use the new device with the same functionality of the existing device.

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