安全是隨意網路中熱烈討論的議題之一。過去在討論車載隨意網路的安全性時, 大多數的研究都假設有第三方或是基礎設施的存在, 藉由第三方事先發布相關金鑰、憑證等安全物件, 來協助車載隨意網路的傳輸安全。然而, 在現實中存在太多變數, 這種假設在真實環境不一定成立也不合理, 再者, 少有論文針對路由協議作安全上的強化。因此, 本論文針對以上狀況, 提出針對特定路由協議, 不需要第三方協助的路由安全機制,
藉由強化路由時的車與車之間的訊息交換過程與附加連續接龍值, 減少因為網路建置時發布安全物件的延遲與額外的風險, 以及減緩整體機制的延遲時間, 達成不需要安全元件亦能滿足相對的安全性。最後, 觀察模擬結果顯示, 本論文機制能在不增加過多的時間負載下, 提升整體路由安全。

Security is one of popular issues in ad-hoc networks. In the past, when discussing the security in VANETs, most of researches assumed that there are the third parties or the basic infrastructures in the scenario. They claimed to utilize pre-distributed security materials to protect the security of the transmission. However, those strong assumptions is not reasonable and proper. Moreover, few researches considered with routing protocols. In this thesis, a secure scheme with consideration of routing protocols is proposed. We enhance the efficiency and security by mutual authentication and the serial value between two vehicles, decreasing the risk of distributing and storing security materials. Achieve an adaptive, fast, and secure scheme to routing protocols.
Compared with I-TMSMBM, ESPR and SORWT-V, according the analysis and simulation, our scheme is good in security and efficiency.

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