Modified security model based on dynamic trusted degree

NIE Xiao-wei1; FENG Deng-guo1

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Modified security model based on dynamic trusted degree

更新时间：2024-10-14

- Modified security model based on dynamic trusted degree
- Issue 10, Pages: 37-44(2008)
- 作者机构：
  
  1. 中国科学院研究生院信息安全国家重点实验室
  2. 信息安全共性技术国家工程研究中心
  3. 中国科学院软件研究所信息安全国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309
- Published：2008
- 稿件说明：
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NIE Xiao-wei1, FENG Deng-guo1. Modified security model based on dynamic trusted degree[J]. 2008, (10): 37-44.
DOI：

NIE Xiao-wei1, FENG Deng-guo1. Modified security model based on dynamic trusted degree[J]. 2008, (10): 37-44. DOI：

摘要

提出一个基于动态可信度的可调节安全模型MSMBDTD(modified security model based on dynamic trusted degree)

它在可信计算的可信认证和度量的基础上

定义可信度判定规则

对系统运行过程中可信度的变化实施动态分析

在此基础上分别调节主体的访问权限

使可信度和访问范围保持一致

实现基于可信度的访问控制。文中对MSMBDTD进行了形式化描述

并分析和证明了模型的安全性。

Abstract

A modified security model based on dynamic trusted degree security model MSMBDTD（modified security model based on dynamic trusted degree） was proposed.Based on the trusted authentication and measurement of trusted computing

MSMBDTD first gave definition of trusted degree rule.Then it analyzed dynamic transformation of trusted degree in the course of system running.And also it modified access privilege of subject

which made access range be in conformance with trusted degree.Finally

after formal description and safety analysis with proof are given

MSMBDTD can support access control based on trusted degree.

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