Study on enhancing integrity for BLP model

LIU Yan-ming; DONG Qing-kuan; LI Xiao-ping

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Study on enhancing integrity for BLP model

更新时间：2024-10-14

- Study on enhancing integrity for BLP model
- Vol. 31, Issue 2, Pages: 100-106(2010)
- 作者机构：
  
  西安电子科技大学通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309
- Published：2010
- 稿件说明：
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LIU Yan-ming, DONG Qing-kuan, LI Xiao-ping. Study on enhancing integrity for BLP model[J]. 2010, 31(2): 100-106.
DOI：

LIU Yan-ming, DONG Qing-kuan, LI Xiao-ping. Study on enhancing integrity for BLP model[J]. 2010, 31(2): 100-106. DOI：

摘要

在BLP模型的基础上

提出了BLP模型的一个完整性增强模型——EIBLP模型。该模型在不改变BLP模型信息流方向(下读上写)的基础上对上行信息流增加了必要的限制

并对BLP模型安全公理、主客体访问控制标签、访问控制操作模式以及状态转移规则进行了改进

且对该模型的安全性进行了分析并给出了证明。结果表明

改进后的EIBLP模型不仅仍然满足BLP模型的基本安全特性

而且通过改进BLP模型信息上行约束条件、主客体的安全标签、扩展模型操作模式、完善模型状态转移规则等方法

有效提高了BLP模型的完整性

并在一定程度上提高了机密性。

Abstract

A model which enhances the integrity of BLP model was presented based on the BLP model.This model was called as EIBLP model.Some necessary restraints to upward information flow were appended in EIBLP without chang-ing the information flow direction（down-read and up-write） of BLP model and the security axiom

access labels of sub-ject and object

access control operation mode

and state transition policy of BLP model were improved.And then

ana-lyzes the security of EIBLP was analyzed and proved.It shows that the improved EIBLP model not only satisfies com-pletely the basic security of BLP

but also enhances the integrity of BLP with improving the upward restraints

the subject and object access labels

the model operation mode

and the model state translation rules.At the same time

the improved EIBLP raises the confidentiality of BLP at a certain extent.

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