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Copy Protection System for Digital Home Networks

TM. SmartRight. Copy Protection System for Digital Home Networks. CPTWG – July 11 , 2001. Highlights. End to end protection Three modes of copy protection Free copy Private copy View only Personal Private Network True renewability Business model neutral. SmartRight devices.

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Copy Protection System for Digital Home Networks

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  1. TM SmartRight Copy Protection System forDigital Home Networks CPTWG – July 11, 2001

  2. Highlights • End to end protection • Three modes of copy protection • Free copy • Private copy • View only • Personal Private Network • True renewability • Business model neutral

  3. SmartRight devices Presentation Device Access Device Digital Bus Recorder Converter module Terminal module

  4. Scrambled video + Local ECM Scrambled video + CA protected CW Local ECM Control Word to get clear video CA protected CW Local ECM Viewing broadcast content End to end protection

  5. Scrambled video + Local ECM Scrambled video + CA protected CW Local ECM CA protected CW Recording content

  6. Scrambled video + Local ECM CW Local ECM Viewing recorded content Storage Unit neutral

  7. Same secret key to decrypt LECM Creating private copies

  8. Personal Private Network • Set of devices whose terminal card share the same secret key • Automatic management and enrollment • Virgin card waits for the secret key • Progenitor card transmits the secret key • Sterile has the secret key but cannot anymore hand it • Each Personal Private Network has its unique secret key • Personal Private Networks cannot interoperate

  9. Impossible If less than max size Under limited conditions No limitation No limitation

  10. Collaboration between converter & terminal Temporary secret Viewing view-only content Request Request

  11. True Renewability • Changing the heart of security: smart cards • Renewed under control of SmartRight Association • Content triggers card renewing • Converter / terminal independent renewal • How to get new cards • Converter card distributed by CA/DRM providers • Terminal card distributed by SmartRight checkpoints • Certified dealers, retailers, shops, … • Backward compatibility • Content recorded with previous cards remain accessible to newer cards.

  12. Business neutrality • CA/DRM keeps control as long as it wants • Stores content in CA protected format • Possible due to storage unit neutrality • CA/DRM has access to a secure viewing environment • View onlyifno copy allowed • Private copy if copy allowed • CA/DRM manages time • SmartRightmanages space

  13. Scenario 1: View for 3 hours View only Buy View only   

  14. Private copy Scenario: Pay 2 times then keep it View only Buy 2nd Buy

  15. TM SmartRight SmartRight Association and Licensing Administration CPTWG meeting July 11th, 2001 This document is for background informational purposes only. Some points may, for example, be simplified. No guarantees, implied or otherwise, are intended.

  16. New market for SmartRight IC and smart cards Content owners get new revenues from digital content distribution and new usages Content distributors get new revenues from digital content distribution CE manufacturers’ market grows: SmartRight compliant devices Consumers benefit from high-value content, and new ways of enjoying it What value for what players? SmartRight Fights against piracy Enables new business models

  17. SmartRight Association & LA SmartRightAssociation and Licensing Administration Founding/core Technology members Advisory group (Content industry) Specification, Patents, and Logo licensing Licensees Content providers Smart cards manufacturers Content distributors Chip/module manufacturers CE / IT manufacturers CA / DRM providers Smart cards Personalization

  18. SmartRight Association & LA:Mission statement (1/2) • Develops / maintains SmartRight specifications • Controls the creation and distribution of certified keys to entities in charge of personalization of security modules (smart cards) • Insures devices’ compliance with SmartRight specifications • Collects SmartRight fees and pays for SmartRight smart cards

  19. SmartRight Association & LA:Mission statement (2/2) • Defines renewability / revocation rules • Checks that the system is not hacked (alarm ring) • Controls a network of Checkpoints (retailers and other distribution points) for smart cards replacement • Licenses SmartRight essential Patents for SmartRight implementation

  20. SmartRight smart cards distribution model • Initial smart cards: • For STBs, • SmartRight functionalityis merged with CA functions (included in the CA card), • Pay-TV service operators control the distribution of the cards as usual • For TVs, DVD players…, smart cards are shipped together with SmartRight devices: • CE manufacturers buy smart cards from smart cards manufacturer • Cards are enclosed within SmartRight device shipping cartons • One card per device

  21. Contact names • Technical information: • Eric DIEHL (diehle@thmulti.com) • Business information: • Olivier LAFAYE (lafayeo@thmulti.com) • Solen JABOULET (jaboulets@thmulti.com) • Al BAKER (bakera@tce.com)

  22. Thank you for your attention This document is for background informational purposes only. Some points may, for example, be simplified. No guarantees, implied or otherwise, are intended

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