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Research on Key Management and Certificate Revocation for Ad Hoc Networks

Author: LiuCong
Tutor: MaHua
School: Xi'an University of Electronic Science and Technology
Course: Applied Mathematics
Keywords: Ad Hoc Key Management Certificate Revocation Distributed Algorithms
CLC: TP393.08
Type: Master's thesis
Year: 2009
Downloads: 88
Quote: 1
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Abstract


As a wireless network with no fixed infrastructure , Ad Hoc network has a unique advantage in the battlefield , emergency occasions . Since the nineties of the last century , Ad Hoc wireless communications , mobile communications and network security academia research one of the hot . However , due to the characteristics of its open medium , dynamic topology , distributed collaboration , and limited ability , Ad Hoc networks are highly vulnerable to attacks. In order to enable it to have been implemented successfully , you need to carry out in-depth study of its various aspects , which provide security services for Ad Hoc Networks is one of the main research content . This article on the Ad Hoc network key management, certificate revocation specific research , the research results are as follows : (1) Distributed Certificate Revocation for Ad Hoc Networks algorithm , the algorithm uses the revocation status of weights record of the matrix A (TW) relations and node description node revocation credibility to the progressive realization of the changing of the weights of the network operation process ; ; weights iterative relationship with the network malicious node is revoked , the normal node weights worth to the recovery , very suitable for the Ad Hoc network . (2) proposed a model based on the distributed CA certification certificate revocation scheme , the scheme uses one-way hash chain to achieve node accused the message data origin authentication using the allegations matrix Aij (T) and the quotient vector W ( T ) the completed certificate revocation of malicious nodes , and consider the impact of the number of nodes of the allegations of its own allegations efforts effectively prevent malicious nodes conspire revoke the certificate of legal node , and enhance the security of the system .

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