Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Development of a System Security Unit using RFID

RFID를 이용한 시스템 보안 장치 개발

  • Jang, Jae-Hyuk (Gyeongnam National University of Science and Technology, Dept. of Liberal Arts) ;
  • Sim, Gab-Sig (Gyeongnam National University of Science and Technology, Dept. of Liberal Arts)
  • 장재혁 (경남과학기술대학교 교양학부) ;
  • 심갑식 (경남과학기술대학교 교양학부)
  • Received : 2010.08.16
  • Accepted : 2010.10.13
  • Published : 2011.01.31
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Abstract

This study developed a digital security device which power is on/off by the RFID card. This device is based on the wireless data transmit/receive circuits, built in RS-232C chip and applied to computer and other digital devices. We can check whether this device is operated or not by connecting the LED. In this system, 13.56MHz frequency circuit supplies power with ID card, and DC inputs check the proximity operating distance of the card field for verifying the existence of a card. The security level of this system is much stronger than that of a compared system[13]. Anyone cannot use the system without RFID card. All illegal access is prevented except for authorized path.

본 연구에서는 RFID 카드 접촉에 의해 시스템 전원을 개폐하는 방식의 디지털 보안 장치를 개발했다. 이는 무선 데이터 송/수신 회로기반으로 설계되었으며, RS-232C전용 칩을 내장하여 컴퓨터나 기타 디지털 기기에도 적용할 수 있다. LED를 장착하여 본 장치의 동작 여부를 점검 할 수 있다. 본 시스템에서 13.56MHz의 주파수 회로가 ID 카드에 전원을 공급하고, 카드 유무를 체크하기 위해 DC 입력단이 카드의 필드 내 근접여부를 확인한다. 본 시스템의 보안 수준은 비교시스템[13]에 비해 보안 수준이 아주 강력하다. 어떤 사용자일경우라도RFID 카드를 이용하지 않으면 시스템을 사용할 수 없다. 인가된 경로 외의 모든 불법적인 접근이 차단된다.

Keywords

References

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