A study on fast JCVM with new transaction mechanism and caching-buffer based on java card objects with a high locality

Authors:
Min-Sik Jin;Won-Ho Choi;Yoon-Sim Yang;Min-Soo Jung
Affiliations:
Dept of Computer Engineering, Kyungnam University, Masan, Korea;Dept of Computer Engineering, Kyungnam University, Masan, Korea;Dept of Computer Engineering, Kyungnam University, Masan, Korea;Dept of Computer Engineering, Kyungnam University, Masan, Korea
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

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Abstract

Java Card is now a mature and accepted standard for smart card and SIM technology. Java Card is distinguished primarily by its independence from hardware platforms and portability and is now the most important open standard. However, the main concern of Java Card is now its low execution speed caused by the hardware limitation. In this paper, we propose how to improve a execution speed of Java Card by reducing the number of EEPROM writing. Our approaches are an object-buffer based on a high locality of Java Card objects, the use of RAM, has a speed more faster 1000 times than EEPROM, as much as possible and new transaction mechanism using RAM.