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Vehicular Ad-Hoc Network (VANET) is an application of Ad-Hoc Network, which can significantly improve the efficiency of transportation systems. The authentication of information is particularly important in the VANET system, because of its significant impact, and the transportation systems may be paralyzed as a result of receiving the wrong traffic information. Hence, a lot of schemes have been proposed...
Harn and Lin proposed an authenticated key agreement without using one-way hash functions. It enables two communicating parties to establish four common session keys by sending two Diffie-Hellman public keys in a single round of message exchange. However, to resist the known key attack, only three common session keys can be used. Over the past years, all researches study to establish four common session...
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