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학술대회 Implementation of LSM-Based RBAC Module for Embedded System
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임재덕, 은성경, 김정녀, 이재훈
World Conference on Information Security Applications (WISA) 2007 (LNCS 4867), v.4867, pp.91-101
08MS1300, 저비용 대규모 글로벌 인터넷 서비스 솔루션 개발, 남궁한
Security requirements of the embedded system which were not considered when the embedded system is independently deployed are being increased because the embedded system is connected to an internet. Accordingly, the coverage of the system security is being expanded from the general server to the embedded system. And it is not enough that the embedded system supports only its inherent functions and it becomes the essential element to provide the security function to the embedded system. This paper implements the Role Based Access Control(RBAC) module which is designed using the Linux Security Module(LSM) for the embedded system. RBAC allows security management to be administrated easily and LSM is a lightweight, general purpose, access control framework for mainstream Linux kernel that enables many different access control models. The combination of RABC and LSM properties is very suitable for one of security solutions of embedded system because of the simplicity and flexibility of RBAC and a lightweight loadable mechanism of LSM. And we show the performance of our implementation that has very small overhead for the intended processing and is acceptable. © Springer-Verlag Berlin Heidelberg 2007.
KSP 제안 키워드
Essential element, Linux kernel, Linux security, Role Based Access Control(RBAC), Security Management, Security Module, Security function, Security requirements, access control model, control framework, embedded system security