文献类型：期刊文献

英文题名：Quantitative Analysis Method of EXRBAC Model with N-Dimensional Security Entropy

作者：Cai, Likun[1];Dai, Yaping[1];He, Qian[1];Zhao, Linhui[2];Liu, Xiangyang[1]

第一作者：Cai, Likun

通讯作者：Cai, LK[1]

机构：[1]Beijing Inst Technol, Sch Automat, 5 Zhongguancun South St, Beijing 100081, Peoples R China;[2]Beijing Union Univ, Coll Mech & Elect Engn, Beijing 100020, Peoples R China

第一机构：Beijing Inst Technol, Sch Automat, 5 Zhongguancun South St, Beijing 100081, Peoples R China

通讯机构：[1]corresponding author), Beijing Inst Technol, Sch Automat, 5 Zhongguancun South St, Beijing 100081, Peoples R China.

年份：2015

卷号：19

期号：3

起止页码：479-484

外文期刊名：JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS

收录：EI(收录号：20152400942057);Scopus(收录号：2-s2.0-84930847330);WOS:【ESCI(收录号:WOS:000370189700019)】；

语种：英文

外文关键词：access control model; n-dimensional security entropy; ex-rbac; quantitative analysis

摘要：On how to evaluate the performance of access control models, a method of N-dimensional security entropy is described in this paper. According to the definition and description of the information entropy in information theory, the definition of the One-dimensional Security Entropy is introduced and the one-dimensional security entropy in Discretionary-access Control model is discussed firstly. Then the N-dimensional security entropy is extended based on the unauthorized access, and by means of the N-dimensional security entropy, the quantitative security performance is measured in RBAC model. In order to measure the security of management information system with complex role level, an extension of RBAC access control (EXRBAC) model is presented in this paper, which could get quantitative analysis with N-dimensional security entropy methods. Through analyzing and comparing the security performance of these three access control models, it is shown that the EXRBAC model performance is improved in multi-class and multi-level roles condition.