An adjustment method for secure label of subject based on trust evaluation

机译：基于信任评估的主题安全标签调整方法

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摘要

Because secure label is static in BLP model, secure label of subject is unalterable in multi-level network which is vulnerable to suffer the risk of access. This paper analyzed the character of subject in multi-level network and put forward an adjustment method for secure label of subject based on trust evaluation. The method collects evidences of access history of subject from audit systems in the same secure domain, and then evaluates trust degree about confidentiality, integrality and availability by evidences and forms current trust section of subject on onfidentiality, integrality and availability, finally secure label is adjusted by trust section for reducing risk of information system.

机译：由于安全标签在BLP模型中是静态的，因此主题的安全标签在多级网络中是不可更改的，因此容易遭受访问风险。分析了多层次网络中主题的特征，提出了一种基于信任评价的主题安全标签调整方法。该方法从同一安全域中的审计系统中收集主题访问历史的证据，然后通过证据评估关于机密性，完整性和可用性的信任程度，并形成主题在保密性，完整性和可用性方面的当前信任部分，最后调整安全标签通过信任部分来降低信息系统的风险。

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来源
《Symposium on ICT and Energy Efficiency and Workshop on Information Theory and Security》|2012年|131-135|共5页
会议地点 Dublin(IE);Dublin(IE);Dublin(IE)
作者
Lifeng Cao; Xingyuan Chen; Xuehui Du; ChunTao Xia;
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作者单位

Institute of Information Science and Technology, Zhengzhou, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Classified Security Protection; Evidence; MLS; Secure Label; Trust Degree;

机译：分类安全保护;证据; MLS;安全标签;信任度;;

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An adjustment method for secure label of subject based on trust evaluation

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