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Thread: OMA DRM & J2ME

  1. #1
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    OMA DRM & J2ME

    Hi all,
    Ive been reading a lot about OMA DRM and I would like that somebody, if possible, tell me whether I am right or not.
    - To integrate DRM with my MIDlets (or my contents in general), I use to create a New DRM Message over the content I want to protect.
    - I have read that I can transfer a DRM content to my PC using Nokia PC Suite but the constraint will still be on the content, so I wont be able to use this content in any device but the original one.

    And then three questions.
    - Is OMA DRM operator dependent?
    - Using OMA DRM on a ringtone for example, Will I never have in my phone a .mid, .mmf or whatever extension it has? only OMA DRM files? .dm, .dcf and so on?
    - What if a build an applications that transfer all DRM files as a byte array through a socketconnection to another device? Would it then possible access the freely the content? Is there any Right or Constraint that doesnt allow a MIDlet to access a OMA DRM Content?

    Thanks a lot for your help

  2. #2
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    Re: OMA DRM & J2ME

    Hi,

    DRM has got three features.

    1. Forward lock - Content can't be forwarded and delivery mechanism WAP
    2. combined deleivery - Content can't be forwarded and content will have some usage rights delivery mechanism WAP
    3. Separate delivery - Content can be forwarded but others ca't use till they have rights file associated with the content.

    DRM is not operator dependant and Operator has to support this.

    Regards,
    Sudhakar

  3. #3
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    Re: OMA DRM & J2ME

    Thanks for your reply,
    I alredy knew the main features of OMA DRM. My questions are more looking if it is possible to break the rights set to a content using OMA DRM.
    Ive seen that OMA DRM 2.0 is more secure, so Im basically focusing on OMA DRM 1.0.

    Im just making a little research of DRMs availables for my Final Project and thats why Im so interested on OMA DRM performance.

    Thanks again

  4. #4
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    Re: OMA DRM & J2ME

    Quote Originally Posted by jilko
    My questions are more looking if it is possible to break the rights set to a content using OMA DRM.
    Breaking the rights means do u want to use content without rights??

    BR,
    Sudhakar

  5. #5
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    Re: OMA DRM & J2ME

    Im not interesting in using OMA DRM nor using any contents without rights. What Im trying to find out is how well are implemented on the devices the principles OMA DRM was designed for.
    So I would appreciate if we all focus on when Im asking so as to solve my doubts, or state that my questions are inappropriate.

    Best regards.

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