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网络取证日志分布式安全管理_戴江山.pdf

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36 2 Vol.36 No.2 2007 4 Journal of University of Electronic Science and Technology of China Apr. 2007 ·· 1 2 2 2 (1. 61 100039; 2. 210007) IDA n m(m n) ; ; ; TP393.08 A Distributed Security Management of Network Forensic Log 1 2 2 2 DAI Jiang-shan LI Xiang-yang ZHANG Zheng-jun XIAO Jun-mo (1. The 61st Research Institute of PLA General Staff Headquarter Fengtai Beijing 100039; 2. Institute of Communications Engineering, PLA University of Science Technology Nanjing 210007) Abstract A distributed security management method of network forensic log is proposed and designed in this paper. The log agents and management gateway collect and forward the log records to the multi-management nodes. The log records are respectively dispersed into n shares by information dispersal arithmetic in the node, and the node stores the corresponding share and the hash values of all shares. The management node can reconstruct the log records through corresponding information in m (mn) random nodes and validate the integrity of the log records through the hash values of all shares. Key words distributed; log; network forensics; network security 1 [1]
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