Method of data caching on a smartcard
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United States of America Patent
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Apr 12, 2005
Grant Date -
Feb 19, 2004
app pub date -
Aug 13, 2002
filing date -
Aug 13, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Smartcards are gaining acceptance as a secure medium for storing information, typically of a personal and confidential nature. Unfortunately, the process of storing information to the smartcard is a time consuming task, often taking much longer than to read the same amount of information from the card. The non-volatile memory within the smartcard is typically of the FLASH type and does not facilitate fast writing a fast writing process thereto. In order to speed up this process, a comparative writing algorithm is utilized which only writes changed data to the smartcard memory, thus eliminating the need for storing duplicate information.
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