Constroid: data-centric access control for android

  • Authors:
  • Daniel Schreckling;Joachim Posegga;Daniel Hausknecht

  • Affiliations:
  • University of Passau, Passau, Germany;University of Passau, Passau, Germany;University of Passau, Passau, Germany

  • Venue:
  • Proceedings of the 27th Annual ACM Symposium on Applied Computing
  • Year:
  • 2012

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Abstract

We introduce Constroid, a data-centric security policy management framework for Android. It defines a new middleware which allows the developer to specify well defined data items of fine granularity. For these data items, Constroid administrates security policies which are based on the usage control model. They can only be modified by the user of an application not by the applications itself. We use Con-stroid's middle-ware to protect the security policies, ensure consistency between a data item and its corresponding security policy, and describe how our prototype implementation can enforce a subset of possible usage control policies. In this way, our contribution shows how we overcome the rigid API-driven approach to security in Android. The structure and implementation of our framework is presented and discussed in terms of security, performance, and usability.