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  1. #1
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    Jan 2008
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    Creating DRM protected App: Problem using drmHelper APIs

    My application crashes at the drmHelper instantiation.

    CDRMHelper* drmHelper = CDRMHelper::NewLC( *CCoeEnv::Static() );

    Please let me know if there will be any other things need to be done; before this instantiation?

    Please let me know if you have any solution....

  2. #2
    Registered User
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    Feb 2008
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    4

    Re: Creating DRM protected App: Problem using drmHelper APIs

    Hi,

    Even I am trying to use the CDRMHelper class to access rights object for a DRM protected SISX file. But for me too NewLC fails.
    By doing some research i found that I need to add capabilities in my .mmp file in order to use the CDRMHelper functions.

    Could someone please tell me what capabilities(other than DRM) i need to add for the same?

    Thanks in advance.

    ~Payal.

  3. #3
    Nokia Developer Moderator
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    Lempäälä/Finland
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    Re: Creating DRM protected App: Problem using drmHelper APIs

    docs basically are not mentioning any, except that in some cases you would need DRM. Anyway, what is the error code generated ?
    Also have you tried the other overwrites of the NewL for the API ?

  4. #4
    Regular Contributor
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    May 2007
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    468

    Re: Creating DRM protected App: Problem using drmHelper APIs

    I somehow remember that there would be a bug there.. not 100% sure though.

    Does this help:
    http://www.forum.nokia.com/document/...lper_API4.html

    Jack

  5. #5
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    Re: Creating DRM protected App: Problem using drmHelper APIs

    Quote Originally Posted by symbianyucca View Post
    docs basically are not mentioning any, except that in some cases you would need DRM. Anyway, what is the error code generated ?
    Also have you tried the other overwrites of the NewL for the API ?
    I am not getting any error code.. Application is crashing at the 'NewLC' execution. Even I have tried with 'NewL'. Is there any other stuff I need to do before calling\using NewLC\DRMhelper APIs?

    Is there any documentation\sample code to protect S60 Applications with DRM 1.0?

  6. #6
    Nokia Developer Moderator
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    Re: Creating DRM protected App: Problem using drmHelper APIs

    for the error code, have a look into this: http://wiki.forum.nokia.com/index.ph...ded_panic_code

  7. #7
    Registered User
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    Jan 2008
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    Re: Creating DRM protected App: Problem using drmHelper APIs

    I think it is crashing because I dont have DRM Capabilities for my Application. I may need to get the app Symbian Signed...

    But, if anyone can let me know about common practises to implement DRM 1.0 (Separate Delivery) to protect a Symbian Application and some inside concepts related to DRM protection of application.

    Because; DRM protection of an application may differ from DRM Protection of any media(image\audio etc..) in case of Separate Delivery; as user App need to check if the rights are expired or not and accordingly App will pop-up a UI to notify the user.

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