[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.9708/jksci.2020.25.07.093

Certificate Revocation Scheme based on the Blockchain for Vehicular Communications

Kim, Hyun-Gon (Dept. of Information Security, Mokpo National University)

Publication Information

Journal of the Korea Society of Computer and Information / v.25, no.7, 2020 , pp. 93-101 More about this Journal

Abstract

Regional CRL(certificate revocation list) in vehicular communications is to partition Full CRL into several small CRLs according to geographic location to keep the size of individual CRLs with smaller. However, since a Regional CRL includes vehicle's revoked certificates within its administrative region, it has to know vehicle' location. For this, how to know vehicle' location effectively corresponding to every region represents a major challenge. This paper proposes a Regional CRL scheme which is envisioned to achieve vehicle's location and to make regional CRLs according to vehicles current location efficiently. The scheme is based on the short-lived pseudonyms defined by WAVE standard. It also acquires issued pseudonyms, vehicle's id and region information whenever a vehicle initiates pseudonyms refill after that, utilizes them to create and distribute the Regional CRL. To keep location privacy-preserving for vehicles, the scheme uses the blockchain technology in the network. The analysis results show that it reduces CRL size and database query time for finding revoked certificates sharply in the vehicle's on-board unit.

Keywords

Certificate Revocation; Regional CRL; Pseudonyms; Location Privacy; Blockchain;

Citations & Related Records

Times Cited By KSCI : 4 (Citation Analysis)

Reference
Cited By KSCI

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