Method of data caching on a smartcard

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

Reexamination Certificate

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Details

C711S115000

Reexamination Certificate

active

06880037

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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patent: 6438565 (2002-08-01), Ammirato et al.
patent: 20030059210 (2003-03-01), Ando et al.
patent: 20030236110 (2003-12-01), Beaulieu et al.

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