Chinese Journal of Computers   Full Text
Title	Mobile Ad Hoc Secure Routing Protocol Based on Trust Preserving
Authors	FU Cai1) HONG Fan1) HONG Liang2) PENG Bing1) CUI Yong-Quan1)
Address	1)(College of Computer Science & Technology, Huazhong University of Science & Technology, Wuhan 430074) 2)(College of Automation, Northwestern Polytechnical University, Xi’an 710072 )
Year	2007
Issue	No.10(1853—1864)
Abstract &   Background	Abstract Moving characteristic is a important factor in secure routing for Ad Hoc networks. Most secure routing protocols are difficult to finish the authenticating processing and can’t set up the secure routing in a mutative and high speed moving network because authenticating is a continuous processing for messages exchanging and the moving characteristic can’t ensure the continuity. This paper proposes the trust preserving based secure routing protocol based on OLSR, the trust preserving method is adopted to accomplish the authenticating and resolve the high speed moving authenticating problem, which is proved with the formal language. Aiming at the low flexibility of most trust evaluating system, a novely evaluating system is proposed, by which the nodes get the trust information, identify and limit the vicious nodes, at the same time, it can resist the associated attacks, such as worm-hole attack. The simulations shows that in a high speed moving network, The TPSRP’s authenticating performance is more better than that of the traditional and can isolate the attacking nodes effectively. keywords Ad Hoc networks; secure routing; trust evaluation; identity authenticating; moving characteristic background Due to "infrastructureless", dynamic topology, and openness of wireless links, Ad Hoc network routing protocols face more security problems than that of traditional networks. Recently, a number of protocols have been proposed to secure wireless Ad Hoc routing. Papadimitratos and Haas proposed the Secure Routing Protocol(SRP). Ariadne is a secure on-demand routing protocol based on DSR and TESLA, ARAN is based on AODV and proposed by Dahill, the authors proposed the SOLSR secure routing scheme,designed the wormhole detecting scheme, identity authentication and packet’s security extensions to defend against the attacks existing in Ad Hoc networks. However, All above research didn’t pay attention to the moving characteristic in Ad Hoc networks, which is a important factor in secure routing for Ad Hoc networks. Most secure routing protocols are difficult to finish the authenticating processing and can’t set up the secure routing in a mutative and high speed moving network because authenticating is a continuous processing for messages exchanging and the moving characteristic can’t ensure the continuity. This paper proposes the trust preserving based secure routing protocol based on OLSR, the trust preserving method is adopted to accomplish the authenticating and resolve the high speed moving authenticating problem, which is proved with the formal language. The authors focus on the following two aspects: (1) The routing performance of TPSRP. In a moving Ad Hoc networks, because the trust preserving mechanism is adopt, the TPSRP’s authenticating performance is more better than that of the traditional, especially when the moving speed is high. (2) The security of TPSRP. Aiming at the low flexibility of most trust evaluating system, a novely evaluating system based on data mining is proposed, by which the nodes get the trust information, identify and limit the vicious nodes, at the same time, it can resist the associated attacks, such as worm-hole attack. This paper is supported by the National Natural Science Foundation of China under grant No.60403027.