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题名:
a practical covert channel identification approach in source code based on directed information flow graph
作者: Wu JingZheng ; Ding Liping ; Wang Yongji ; Han Wei
会议文集: Proceedings - 2011 5th International Conference on Secure Software Integration and Reliability Improvement, SSIRI 2011
会议名称: 2011 5th International Conference on Secure Software Integration and Reliability Improvement, SSIRI 2011
会议日期: 27-Jun-02
出版日期: 2011
会议地点: Jeju Island, Korea, Republic of
关键词: Algorithms ; Building codes ; Computer operating systems ; Computer programming languages ; Graphic methods ; Software reliability
出版地: United States
收录类别: EI
ISBN: 9780769544533
部门归属: (1) National Engineering Research Center for Fundamental Software, Institute of Software, China; (2) State Key Laboratory of Computer Science, Institute of Software, China; (3) Graduate School, Chinese Academy of Science, Beijing, China
主办者: Korea Software Engineering Society
英文摘要: Covert channel analysis is an important requirement when building secure information systems and identification is the most difficult task. Although some approaches were presented they are either experimental or constrained to some particular systems. This paper presents a practical approach based on directed information flow graph taking advantage of the source code analysis. The approach divides the whole system into serval independent modules and analyzes them respectively. All the shared variables and their caller functions are found out from the source codes and modeled into directed information flow graphs. When the information flow branches are visible and modifiable to the external interface a potential covert channel exists. Contributions made in this paper are as follows a modularized analysis scheme is proved and reduces the workloads of identifying a directed information flow graph algorithm is presented and used to model the covert channels more than 30 covert channels have been identified in Linux kernel source code using this scheme and a typical channel scenario is constructed. © 2011 IEEE.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14377
Appears in Collections:互联网软件技术实验室 _会议论文

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Recommended Citation:
Wu JingZheng,Ding Liping,Wang Yongji,et al. a practical covert channel identification approach in source code based on directed information flow graph[C]. 见:2011 5th International Conference on Secure Software Integration and Reliability Improvement, SSIRI 2011. Jeju Island, Korea, Republic of. 27-Jun-02.
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