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Remote application correction

  • US 7,684,992 B2
  • Filed: 05/28/2003
  • Issued: 03/23/2010
  • Est. Priority Date: 05/30/2002
  • Status: Active Grant
First Claim
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1. A smart card coupled to a communication device (MOB) and having the capability of updating applications stored therein by communicating smart card comprising:

  • a location for storing a file (F) which can be downloaded from said remote entity;

    a memory containing a program (GS) causing a microcontroller of the smart card to perform;

    a first checking step in which said program (GS) checks whether the file (F) has been downloaded;

    if the file (F) is present, a second checking step in which said program (GS) determines whether the type of correction to be made, is data modification or code substitution; and

    a modifying step in which the program (GS) modifies the application (APP) based on the type of correction identified in the second checking step, the modifying step comprising;

    if the type of correction to be made is data modification then proceeding with modifying data at a specific location using data in the file (F); and

    if the type of correction to be made is code modification then deactivating the previous code and proceeding with a code substitution.

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