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This page was last modified 09:57, 17 September 2007.

KIS000749 - DRM Clock initialization required for validating the activation key of DRM-protected, time-based licensed content

From Forum Nokia Wiki


ID KIS000749 Creation date September 17, 2007
Platform S60 3rd Edition and later Devices  
Category Symbian C++ Subcategory DRM


Description

Since the introduction of S60 3rd Edition, the devices have a DRM Clock to enforce time-based rights on the devices. The initialization of this clock requires that the network either supports NITZ (Network Identity and Time Zone) or a ROAP (Rights Object Acquisition Protocol) request is made. The enforcement is also stricter than in previous releases and no time-based content can be used if the DRM Clock has not been initalized from a secure source.


How to reproduce

Restore factory settings and use a SIM card from an operator whose network does not support NITZ. Download some content and a time-based license to the device.


Solution

Time-based constraint works only when NITZ is enabled in the network (operator-dependent feature). Alternatively the end-user could be provided with a link to ROAP registration to initialize the DRM Clock. A universal workaround is to avoid using time-based constraints in third-party applications, when suitable.

Retrieved from "http://wiki.forum.nokia.com/index.php/KIS000749_-_DRM_Clock_initialization_required_for_validating_the_activation_key_of_DRM-protected%2C_time-based_licensed_content"
 
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