Abstract
Permission management is the core security mechanism of the Android system framework, but the existing Android system doesn’t provide security analysis and fine-grained management of its application permissions. In order to solve this problem, this paper proposes a lightweight permission management model which modifies and extends the existing Android application permission management mechanism so that it can analyze statically the permissions applied by the app and classify them by risk level upon installation; moreover, the users can dynamically revise the permissions as granted through the graphical user interface (GUI) upon installation. Experimental results show this model can achieve the basic functions of permission analysis and management and brings little cost to the system performance.
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