Journal of the Korean Data and Information Science Society

The Korean Data and Information Science Society (한국데이터정보과학회)
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A study on high performance Java virtual machine for smart card

스마트카드용 고성능 자바가상기계에 대한 연구

  • 정민수 (경남대학교 컴퓨터공학과)
  • Published : 2009.01.31
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Abstract

Smart card has a small sized micro computer chip. This chip contains processor, RAM, ROM, clock, bus system and crypto-co-processor. Hence it is more expensive, complicated and secure chip compared with RFID tag. The main application area of smart card is e-banking and secure communications. There are two kinds of smart card platforms; open platform and closed one. Java card is the most popular open platform because of its security, platform independency, fast developing cycle. However, the speed of Java card is slower than other ones, hence there have been hot research topics to improve the performance of Java card. In this paper, we propose an efficient transaction buffer management to improve the performance of Java card. The experimental result shows the advantage of our method.

스마트카드는 작은 크기의 마이크로 컴퓨터칩을 내장하고 있다. 이 칩은 프로세서, RAM, ROM, 클럭, 버스 그리고 암호전용 코프로세서 등을 포함하고 있다. 따라서 이 칩은 RFID 태그와 비교해서 가격이 비싸고, 복잡하지만 안전한 칩이다. 스마트카드의 주요 응용분야는 전자뱅킹이나 안전한 통신 관련 분야이다. 자바카드는 개방형 플랫폼 중 가장 널리 사용되는데 그 이유는 자바카드의 보안성, 플랫폼 독립성, 그리고 빠른 개발 싸이클 때문이다. 하지만 자바카드는 실행속도가 느리기 때문에 자바 카드의 성능개선은 중요한 연구 분야가 되어왔다. 본 논문에서는 효과적인 트랜잭션버퍼 관리 방법을 제안하여 자바카드의 성능을 개선시켰으며 실험을 통하여 그 성능을 입증하였다.

Keywords

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