After analyzing the problem of security infrastructure of ad hoc network, a distributed algorithm of certificaterevocation for ad hoc network is presented. In the algorithm, certificaterevocation is parted into unco...
详细信息
After analyzing the problem of security infrastructure of ad hoc network, a distributed algorithm of certificaterevocation for ad hoc network is presented. In the algorithm, certificaterevocation is parted into unconditional revocation and conditional revocation. With using revoking matrix (T) and weight vector W(T) to describe revoking relationship and creditability of network nodes, a revoking effect factor a is introduced to limit revoking strength of single node and increase united revoking strength in order to improve reliability of revoking. By using iterative equation of node weight, the node weight is updated continuously in network running. Finally, the reliability of the distributed algorithm of certificaterevocation, the value of the revoking effect factor α and its effect on certificaterevocation are analyzed quantitatively.
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