Android is a popular operating system on mobile devices, and people care about the security issues of Android very much. Based on the analysis of the defects in Android security mechanism, this paper proposes the design and implementation of an Android File Access Control System that supplies authorization and authentication to the file operations in order to prevent the sensitive files. The simulation results indicate that the Android File Access Control System achieves the goal of file access control on Android.
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机译：Android是移动设备上流行的操作系统，人们非常关心Android的安全性问题。在分析Android安全机制缺陷的基础上，提出了一种Android文件访问控制系统的设计与实现，该系统为文件操作提供授权和认证，以防止敏感文件的产生。仿真结果表明，Android File Access Control System实现了Android上文件访问控制的目标。
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