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《Journal of Xihua University(Natural Science Edition)》 2010-02
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Study on Intrusion Resilient Key Management with Time Properties and Its Advance

HE Ming-xing(School of Mathematics and Computer Engineering,Xihua University,Chengdu 610039 China)  
Key management is the security core of cryptosystem;it will inevitably be the focus of attacks by adversary.This requires key management system with self-diagnosis,rehabilitation and reconstruction of the self-adaptive intrusion resilient capabilities.This paper presents a time-based intrusion resilient key management issue,with emphasis to consider the application of various types of keys(public key,private key,sub-key,key chain,etc.) changing over time,evolutionary algorithm,protocol design,and make the cryptographic system safer and more effective to better protect the security of cipher-based application technology.The research contents are analyzed in four areas: the basic key management model of time-based intrusion resilient key management,a forward-secure signature key evolution,proactive secret sharing scheme of the sub-key evolution,efficient self-healing capability with time-varying key generation and distribution.Some specific key issues and technical routes for further research on these contents are proposed.
【Fund】: 国家自然科学基金资助项目(60773035)
【CateGory Index】: TP393.08
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