smartright™ 1 thomson multimedia 2001 ©11 july 2001 copy protection system for digital home...
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SmartRight™ SmartRight™
1 THOMSON multimedia 2001 © 11 july 2001
Copy Protection System for
Digital Home Networks
Copy Protection System for
Digital Home Networks
CPTWG – July 11, 2001 CPTWG – July 11, 2001
SmartRight™SmartRight™
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Highlights
End to end protection Three modes of copy protection
Free copy Private copy View only
Personal Private Network
True renewability Business model neutral
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SmartRight devices
Access DevicePresentation Device
RecorderConverter
moduleTerminalmodule
Digital Bus
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Viewing broadcast content
Scrambled video+ Local ECM
Scrambled video+ Local ECM
Scrambled video+ CA
protected CW
Scrambled video+ CA
protected CW
CA protected CW
CA protected CW
Local ECMLocal ECM
LocalECMLocalECM
Control Word to get clear
video
Control Word to get clear
video
End to end protection
SmartRight™SmartRight™
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Recording content
Scrambled video+ Local ECM
Scrambled video+ Local ECM
Scrambled video+ CA
protected CW
Scrambled video+ CA
protected CW
CA protected CW
CA protected CW
Local ECMLocal ECM
SmartRight™SmartRight™
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Viewing recorded content
Scrambled video+ Local ECM
Scrambled video+ Local ECM
Local ECMLocal ECM CWCW
Storage Unitneutral
SmartRight™SmartRight™
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Creating private copies
Same secret key to decrypt
LECM
SmartRight™SmartRight™
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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
SmartRight™SmartRight™
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If less than max size
If less than max size
No limitation
No limitation
ImpossibleImpossible
No limitation
No limitation
Under limited conditions
Under limited conditions
SmartRight™SmartRight™
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Viewing view-only content
TemporaryTemporarysecretsecret
RequestRequest
Collaboration between
converter & terminal
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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.
SmartRight™SmartRight™
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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 only if no copy allowed Private copy if copy allowed
CA/DRM manages time SmartRight manages space
SmartRight™SmartRight™
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Scenario 1: View for 3 hours
BuyView only
View only
SmartRight™SmartRight™
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Scenario: Pay 2 times then keep it
BuyView only
Private copy 2nd Buy
SmartRight™ SmartRight™
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SmartRight Association and Licensing AdministrationSmartRight Association
and Licensing Administration
This document is for background informational purposes only. Some points may, for example, be simplified. No guarantees, implied or otherwise, are intended.
This document is for background informational purposes only. Some points may, for example, be simplified. No guarantees, implied or otherwise, are intended.
CPTWG meeting July 11th, 2001
CPTWG meeting July 11th, 2001
SmartRight™SmartRight™
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What value for what players?
CE manufacturers’ market grows:
SmartRight compliant devices
New market for SmartRight IC
and smart cards
Consumers benefit from high-value
content, and new ways of enjoying it
Content distributors get new revenues
from digital content
distribution
Content owners get new
revenues from digital content
distribution and new usages
SmartRightFights against piracy
Enables new business models
SmartRight™SmartRight™
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SmartRight Association and Licensing Administration
SmartRight Association and Licensing Administration
SmartRight Association & LA
Founding/core Technology members
Founding/core Technology members
Advisory group (Content industry)
Advisory group (Content industry)
Specification, Patents, and Logo licensing
Smart cards PersonalizationSmart cards
Personalization
Content providers
Content providers
Content distributors
Content distributorsCE / IT
manufacturers
CE / IT manufacturers
Chip/module manufacturers
Chip/module manufacturers
CA / DRM providers
CA / DRM providers
Licensees
Smart cards manufacturersSmart cards
manufacturers
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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
SmartRight™SmartRight™
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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
SmartRight™SmartRight™
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SmartRight smart cards distribution model
Initial smart cards:For STBs,
– SmartRight functionality is 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
SmartRight™SmartRight™
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Contact names
Technical information: Eric DIEHL ([email protected])
Business information: Olivier LAFAYE ([email protected]) Solen JABOULET ([email protected]) Al BAKER ([email protected])
SmartRight™ SmartRight™
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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