The paper analyzes security of UCON model and puts forward the TUCON model based on Trusted Computing Module(TPM).

主要对UCON模型的安全性进行了分析，并将可信计算模块TPM引入UCON模型，构建了基于TPM的使用控制模型——TUCON模型。

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Trusted computing enhances computer systems'security by adding some module on both software and hardware.

可信计算通过在软件和硬件上增加一些组件来增加计算机系统的可信赖性。

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With the development of information technology, the advantage of trusted computer in security is much accounted of The Trusted platform module is the core of Trusted Computing PC.

随着信息技术的飞速发展，可信计算机在安全方面的优越性越来越受到国内外计算机领域工作者的重视。

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