基于密钥分割的多移动代理系统安全性研究
The Security Research of Multiple Mobile AgentSystem Based on Secret Splitting
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摘要: 自移动代理提出以来,安全性问题一直是制约其广泛应用的一个最主要的因素。作为分布式C/S计算模式的延伸,目前备受关注的多移动代理协作为提高整个移动代理系统安全性提供了一个新的思路。该文通过分析基于拉格朗日插值的密钥分割和多重签名方案应用于多移动代理系统中出现的问题,给出了一个改进的、更有实际应用价值的算法。最后,给出了一个基于此算法的电子交易的案例。Abstract: Since the introduction of Mobile Agent (MA), security is always an important issue for its restriction to the MAs wide-application. As the extension of distributed Client/Server computing, the present idea of multiple mobile agents gives a new way for increasing the security of the whole mobile agent system. In this paper, problems are firstly discussed in detail when applying the secret splitting scheme based on Lagrange interpolation and the subsequent multiple-signature scheme into Multiple Mobile Agent System (MMAS). Secondly, an improved and more practical scheme for the MMAS is proposed. An e-business case based on this scheme is presented at the end of this paper.
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