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Method of data caching on a smartcard

  • US 20040034734A1
  • Filed: 08/13/2002
  • Published: 02/19/2004
  • Est. Priority Date: 08/13/2002
  • Status: Active Grant
First Claim
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1. A method of storing changed information within a non-volatile memory of a smartcard comprising the steps of:

  • caching data from within the smartcard, the cached data stored in a location in memory other than memory within the smartcard;

    providing data for storage within the smartcard;

    comparing the provided data for storage to at least a portion of the cached data retrieved one of directly and indirectly from the location to determine a data portion thereof less than the whole and having therein changed data; and

    writing the determined data portion less than the whole to the smartcard.

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