针对移动终端的普及和可信计算技术对移动终端通信模式的影响,为满足普适计算环境的安全访问需求,本文提出普适计算环境下的安全访问模型,该模型定义了普适计算环境下用户的本地注册、域内访问和域间漫游3种机制,并详细介绍了相应的工作流程.安全性证明表明本文机制是CK安全的;分析显示本文模型在匿名性、安全性和效率上的优势,使其更加适合在普适计算环境下使用.%Because of the popularity and the change of communication mode for mobile terminals and in order to meet the security access demand of pervasive computing environment,we present a security access model for pervasive computing environment which contains three kinds of access mechanisms:local service domain registration,local domain access and cross-domain access,and the specific work processes of the above access mechanisms are introduced at the same time.The security proof shows that our proposal is provably secure in the CK security model and has superiority in anonymity,security and efficiency,which make it more suitable for pervasive computing environment.
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