Open Digital Rights Management

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Stephen Downes presentation to Moncton Open Source Technology (MOST), Moncton, November 10, 2004

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Open Digital Rights Management

  1. 1. Open Digital Rights Management Presented at MOST, Moncton, November 10, 2004 Stephen Downes Senior Researcher, National Research Council Canada http://www.downes.ca
  2. 2. <ul><li>Outline </li></ul><ul><li>Introduction to ODRL </li></ul><ul><li>Distributed DRM </li></ul><ul><li>Distributed Identity </li></ul>
  3. 3. <ul><li>Digital Rights Expression </li></ul><ul><li>Expression – the description of the resource, ownership of the resource, and the terms and conditions of use </li></ul><ul><li>Authentication – verification that the person using the resource has the right to use the resource </li></ul><ul><li>Protection – means, such as encryption, to ensure only authorized users have access </li></ul>
  4. 4. <ul><li>Where DRM is Applied </li></ul><ul><li>Resource – a particular document or digital resource – for example, a document may be locked or encrypted </li></ul><ul><li>Access Point – a content server, such as a website – for example, a website may require a login </li></ul><ul><li>Network – the connections between servers – for example, ATM network </li></ul>
  5. 5. DRM Design Metric Virtual private network (VPN) Secure sockets layer Encrypted document Protection PIN to use ATM system Password to access website Password to open document Authentication Rights expression language Terms of use notice Copyright notice Expression Network Access Resource
  6. 6. <ul><li>Defined at the Network Level </li></ul><ul><ul><li>A rights expression language (REL) is used </li></ul></ul><ul><ul><ul><ul><li>Current support for ODRL because it does not create a cost – XrML, DRML are options if they are royalty free </li></ul></ul></ul></ul><ul><ul><li>A mechanism for expressing digital rights expression is supported such that these are available anywhere in the network </li></ul></ul>
  7. 7. http://www.bakercyberlawcentre.org/2002/DRMS_Papers/DRMS-Sym-RI-Mar2002.pdf
  8. 11. <ul><li>Open Standards – the mechanisms for expression, authentication and protection can be used by anyone </li></ul><ul><li>Open Network – any agency or entity may provide any of the services provided by the network </li></ul><ul><li>Open Marketplace – and agency or entity may buy or sell on the network </li></ul>EduSource DRM Criteria
  9. 12. HTML LOM ODRL A resource (e.g., HTML) is described by Learning Object Metadata, with points to a rights model eduSource Rights Model (1)
  10. 13. ODRL HTML A single ODRL rights model may describe numerous resources eduSource Rights Model (2)
  11. 14. LOM ODRL <lom> <rights> … <description> http://…:model42 </description> LOM metadata points to the location of the rights metadata eduSource Rights Model (3)
  12. 15. Resources Broker searcher LOM Vendor sends metadata to the world Vendor creates rights model Broker sends rights model and key Consumer sends key to vendor and receives resource 2 3 4 5 Consumer asks for rights model and makes agreements Vendor Brokers
  13. 21. Open Identification - SxIP http://sxip.org

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