Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Session Key Distribution Scheme in V2I of VANET using Identity-Based Cryptography

VANET의 V2I 환경에서 IBC를 이용한 세션키 분배 기법

  • Roh, Hyo-Sun (School of electronic Engineering, Soongsil University) ;
  • Jung, Sou-Hwan (School of electronic Engineering, Soongsil University)
  • 노효선 (숭실대학교 정보통신전자공학부) ;
  • 정수환 (숭실대학교 정보통신전자공학부)
  • Published : 2009.01.25
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Abstract

This paper proposes a session key distribution scheme on non-interactive key distribution algorithm of Identity-based cryptography in V2I of VANET. In the current VANET, IEEE 802.11i is used to provide secure data communication between the vehicle and infrastructure. However, since the 4-way handshake procedure reply when the vehicle handover to another RSU/AP, IEEE 802.11i increases the communication overhead and latency. The proposed scheme using non-interactive key distribution algorithm of Identity-based cryptography provided session key generation and exchange without message exchange and reduced communication overhead and latency than the IEEE 802.11i.

본 논문은 VANET(Vehicular Ad-hoc Network)의 V2I 환경을 위해 ID 기반의 비대화형 키 분배 기법을 적용한 세션키 분배 기법을 제안한다. 기존 VANET에서는 V2I 환경의 무선 구간에 IEEE 802.11i를 적용하여 안전한 데이터 통신을 지원하고 있다. 그러나 IEEE 802.11i의 경우 차량이 여러 RSU/AP를 핸드오버 할 때마다 새로운 세션키 공유를 위해 4-way handshake 과정을 반복함으로 커뮤니케이션 오버헤드와 지연시간이 증가하는 문제점이 있다. 제안 기법은 ID 기반의 비대화형 키 분배 알고리즘을 적용하여 차량이 여러 RSU/AP를 핸드오버 할 경우 세션키 생성을 위한 메시지 교환 없이 상대 노드의 ID 정보를 통해 세션키를 생성하고 공유할 수 있게 하였으며, 기존 IEEE802.11i에 비해 세션키 교환시 발생하는 커뮤니케이션 오버헤드와 지연시간을 줄였다.

Keywords

References

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