The mobile phone industry has established a large customer base market, providing a wide range of mobile applications from voice and data services to digital media such as digital music, video and mobile gaming. As content becomes more widely available in digital form, it becomes easier to share, distribute, manipulate and copy if it is not properly controlled and encrypted. This development has triggered the concern over the issue of digital right management (DRM) that appears to be overlooked until recently. DRM is becoming increasingly important because it focuses on the protection of copyrighted data circulated via digital media. The awareness has motivated mobile phone manufacturers to invest and concentrate more on developing solutions to best protect the content of digital media on mobile devices which would benefit everyone involved in the market. Therefore, this paper will address the issue of protecting the content of digital media in Symbian OS mobile phones. It will analyse the features of Symbian DRM and TrustZone technology. Then, it suggests how the adoption of these technologies can be used in a theme park entrance using a secured E-pass stored on Symbian v8 OS mobile devices
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