Journal
SECURITY AND COMMUNICATION NETWORKS
Volume 2019, Issue -, Pages -Publisher
WILEY-HINDAWI
DOI: 10.1155/2019/7871067
Keywords
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Funding
- National Key Research and Development Program of China [2018YFC1604000]
- National Natural Science Foundation of China [61772224, 61932016, 61972294]
- Fund of the Jiangsu Key Laboratory of Big Data Security & Intelligent Processing [BDSIP1807]
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As an important part of smart cities, vehicle ad hoc networks (VANETs) have attracted much attention from both industry and academia. In a VANET, generating a secure session key to facilitate subsequent data-in-transit transfer between two or more vehicles is crucial, which can be achieved by using an authenticated key agreement protocol. However, most of the existing identity-based two-party authenticated key agreement protocols have significant computational requirements or are known to be insecure. Thus, in this paper, a secure and efficient identity-based two-party authenticated key agreement protocol is presented by us. This protocol does not involve complex bilinear pairing computations and can generate a valid session key in two rounds. The security of the proposed protocol is proved in the eCK model which has better capability to describe a protocol's security than the famous CK model, and it has been widely used in the security proof of ID-based key agreement protocols currently. Additionally, we also evaluate its performance for potential utility in a VANET.
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