Consideration of a transaction processing method for smartcard systems

摘要

The business services that use smart cards are beginning to be offered. Along with the trend that the cards are having multiple applications on the cards, some smart cards that install large flash memory will be put to practical use. If the smart cards are used with these business services, the transaction processing becomes important. In this report, we firstly verify the problems in the smart card systems 'and understood the major of them is an interruption of the power supply to the smart cards. Secondly, we propose the error recovery method for smart cards with large flash memory and multiple applications installed. And finally, we implement and evaluate the proposed method to conclude that this method is effective.