A privacy enhanced contents sharing in mobile networks

In this paper, we propose an access control model for privacy protection when personal contents are shared in mobile networks via personal CE devices without any centralized server or service provider. We adopt an encryption based content protection with Access Control List (ACL) approach which provides the information about content encryption key only for permitted users. Our scheme is particularly suitable for recent smart phone platforms equipped with hierarchical content structure, which can also communicate with other devices ubiquitously.