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Implementing Secure Container Transportation Systems Based on ISO 18185 Specification

ISO 18185 기반의 컨테이너 안전수송 시스템 구현

  • 추영열 (동명대학교 컴퓨터공학과) ;
  • 최수영 (동명대학교 컴퓨터공학과)
  • Received : 2010.02.09
  • Accepted : 2010.03.23
  • Published : 2010.04.30

Abstract

This paper describes implementation of electonic seal (E-Seal) of a container based on ISO 18185 standard and development of monitoring systems checking E-Seal device and cargo states in the container for secure transportation from departure to destination. For lack of definition on confidentiality support in ISO 18185-4 standard, it is vulnerable to security attack such as sniffing. To cope with this, we developed encryption/decryption functions implementing RC5 and AES-128 standards and compared their performance. Experimental results showed that RC5 outperformed AES-128 in terms of time delay. In addition, RC5 had an advantage under the condition of large sized messages as well as CPUs with low performance. However, the portion of encryption/decryption processing time was less than 1 percent of response time including communication delay between E-Seal tags and readers. Hence, the performance difference between RC5 and AES-128 standards was trivial, which revealed that both specifications were allowable in developed systems.

이 논문에서는 ISO 18185 표준에 따른 컨테이너의 전자봉인과 출발지부터 목적지에 도달할 때까지 화물의 보안 상태를 감시하는 컨테이너 안전수송 감시 시스템의 구현 결과를 기술한다. 전자봉인 표준의 경우 기밀성(confidentiality)에 대한 사양이 정의되어 있지 않아 도청과 같은 보안공격에 취약하다. 이를 위해 RC5와 AES-128 표준에 따른 암호화/복호화 기능을 구현하고 그 성능을 비교하였다. 실험결과는 암 복호화 시간 지연에서 RC5가 우수함을 보였다. 아울러 데이터의 길이가 증가 할수록, 낮은 CPU 성능에서는 더욱 유리하다. 그러나 Tag와 리더 사이의 통신시간을 포함한 응답시간에서는 암호화 처리시간이 차지하는 비중이 1% 미만으로 RC5와 AES-128 사이에 의미있는 성능 차이가 없어 두 사양 모두 사용 가능함을 확인하였다.

Keywords

References

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  1. CSD 기반의 컨테이너 안전운송 응용 서비스 개발 vol.15, pp.10, 2011, https://doi.org/10.6109/jkiice.2011.15.10.2203