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A Novel Certificate Revocation List Distribution for Vehicle Communications in Mobile Communication Networks
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2017, 22(12), pp.109-116
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2017, 22(12), pp.109-116
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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Short-lived pseudonym certificates as vehicle identities could satisfy both security and privacy requirements. However, to remove revoked certificates especially in vehicle communications, pseudonym certificate revocation list (CRL) should be distributed resource-efficiently from a practical deployment point of view and in a timely manner. In this paper, we propose a novel CRL distribution scheme capable of CRL multicast to only activated vehicles registered to the CRL multicast group using the group communication system enabler, namely, the GCSE which is being standardized. The scheme is resource efficient by using CRL distribution paths instead of paging processes to find out multicast vehicle(s) within a certain region. The analyzed results show that the proposed scheme outperforms in terms of paging cost, packets transmission cost, and the processing cost at the respective entities compared to the existing four schemes in the literature.
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