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| CDS访问控制模型研究与实现 | |
| 引用本文： | 孔海娥,王洪佩,华松. CDS访问控制模型研究与实现[J]. 自动化信息, 2010, 0(5): 50-53 |
| 作者姓名： | 孔海娥 王洪佩 华松 |
| 作者单位： | [1]燕山大学信息科学与工程学院计算机系,河北秦皇岛066004 [2]山东理工大学交通学院,山东淄博255049 [3]菏泽市中医医院信息中心,山东菏泽274000 |
| 摘 要： | 通过分析协同设计系统对访问控制的特殊需求，研究现有访问控制模型的特点，设计了一个面向协同设计系统的访问控制模型-（CDAC Model）。该模型不但支持用户身份动态改变，体现时序依赖概念，而且能够控制委托深度，遵循最小特权和职责分离原则，同时还减少了因个人权限受到攻击对信息系统造成危害的概率，很好地满足了协同设计系统对访问控制的要求。 |
| 关 键 词： | 协同设计系统 访问控制 CDAC Model |
Research and Implementation of Access Control Model in Collaborative Design System |
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| KONG Hai-e,WANG Hong-pei,HUA Song. Research and Implementation of Access Control Model in Collaborative Design System[J]. Automation Information, 2010, 0(5): 50-53 | |
| Authors: | KONG Hai-e WANG Hong-pei HUA Song |
| Affiliation: | 1.Department of Computer, School of Information Science and Technology, Yanshan University, Qinhuangdao Hebei 066004, China; 2.School of traffic, Shandong University of Technology, Zibo Shandong 255049, China; 3.The Information Center of Heze TCM Hospital, Heze Shandong, 274000, China) |
| Abstract: | An access control model （CDAC Model）, facing to the collaborative design system, is designed by analyzing its special requirements for the access control and studying the characteristics of the existing access control model. The model not only supports the dynamic changes of user identity, embodies the concept of time-sequence dependence, but also controls the commissioned depth, follows the principles of minimum privileges and the separation of duties and reduces the probability of harm to information systems caused by individual rights under attack, which completely satisfies the requirements of the collaborative design system for access control. |
| Keywords: | Collaborative Design System Access Control CDAC Model |
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