| 一个信任管理模型的改进 |
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| 引用本文： | 李超,李小勇,管海兵.一个信任管理模型的改进[J].信息安全与通信保密,2008,13(5):97-98. |
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| 作者姓名： | 李超 李小勇 管海兵 |
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| 作者单位： | 上海交通大学信息安全工程学院,上海,200240 |
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| 摘 要： | KeyNote作为一个开放的适用于分布式应用的信任管理模型，具有灵活、通用、可靠的优点而被广泛应用。论文简要分析了KeyNote信任管理系统的工作机制，并针对KeyNote设计者提出的未解决的凭证撤销问题，尝试给出了解决方案：通过增加黑名单和凭证生存期加以解决。
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| 关 键 词： | 信任管理 KeyNote 信息安全 |
| 文章编号： | 1009-8054(2008)05-0097-02 |
| 修稿时间： | 2007年10月22 |
Improvements of a Trust Management Model |
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| LI Chao,LI Xiao-yong,GUAN Hai-bing.Improvements of a Trust Management Model[J].China Information Security,2008,13(5):97-98. |
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| Authors: | LI Chao LI Xiao-yong GUAN Hai-bing |
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| Affiliation: | (School of Information Security, Shanghai Jiaotong University, Shanghai 200240, China) |
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| Abstract: | The KeyNote trust management system, introduced and implemented by M. Blaze, is a flexible and unifled system, and it allows direct authorization of security-critical action in open and distributed applications. However, there are certain important areas that Blaze has not yet addressed. One of areas is providing functionality similar to that of these certificate revocation lists（CRLs）, keeping in mind the constraints about ＂negative credentials＂. Black list and active time of credentials are proposed to solve the problem through the overview and analysis of the KeyNote trust management system |
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| Keywords: | Trust Management KeyNote Information Security |
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