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SPMH：A Solution to the Problem of Malicious Hosts

Journal of Computer Science & Technology 2002年第6期17卷 738-748页

作者：周冲孙永强等 DepartmentofComputerScienceandEngineering ShanghaiJiaotongUniversityShanghai200030P.R.China DepartmentofComputerScienceandEngineering ShanghaiJiaotongUniversityShanghai200030P.R.C

In this paper, a solution to the Problem of Malicious Hosts, named SPMH, issuggested. At first, mobile agent Blackbox Construction Method based on Loureiro's Protocol(MABCM-LP) is suggested to convert a mobile agent into a mobile agent Blackbox (MAB)which makes the mobile agent difficult to be understood and tampered by malicious *** the same time, a Protocol Tracing the Inputs/outputs and Results (PTIR) is developed totrace the mobile agent running at a host, which can be used to detect and prove the attacks bymalicious hosts. It is proved that this solution is secure, correct, and robust. It is found firstlythat the detection method and the prevention method are complementary to each other, andthis is the first solution that integrated both of these two methods too.

关键词： mobile agent security the problem of malicious hosts computing withencrypted function reference states

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A Forward Integrity and Itinerary Secrecy Protocol for mobile agents

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Wuhan University Journal of Natural Sciences 2006年第6期11卷 1727-1730页

作者： GUAN Huanmei MENG Xuejun ZHANG Huanguo Computer Center Wuhan University Wuhan 430072 Hubei China School of Network Education Wuhan University Wuhan 430072 Hubei China School of Computer Wuhan University Wuhan 430072 Hubei China

The security problem of mobile agents is widely being discussed. The problem which protects mobile agents from malicious hosts is difficult to solve, because a host has access to the complete internal state of an agent. Forward integrity in mobile agents guarantees that offers contained in a mobile agent from previously visited host can not be modified by a malicious host. Itinerary secrecy can prevent mobile agent from being passively attack. This paper proposes a new forward integrity and itinerary secrecy protocol for mobile agent. The protocol can also resist collusion truncation attack.

关键词： mobile agent security forward integrity itinerary secrecy truncation attack

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