一种改进的轻量级嵌入式安全文件系统模型

Improved light-weighted embedded secure file system model

有效保护各种移动设备中的数据安全是当前嵌入式系统的关键技术之一。针对各种移动设备,特别是资源受限设备,在通用文件系统的基础上,采用适合嵌入式系统的安全访问控制策略,以及对存储器的设备驱动层代码优化,研究并实现了一个轻量级嵌入式安全文件系统。实际应用表明:该模型能够满足嵌入式安全文件系统的性能要求。

How to protect the data stored in mobile device is one of the key technologies for various embedded systems. This paper focused on the research and implementation of a light-weighted embedded secure file system model for various mobile devices, especially those with restricted hardware resources, through adopting access control policy suitable for embedded system and optimizing the memory driver. The actual practice shows that this model can meet the performance requirements for embedded secure file system.