copy protection system for digital home networks

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™

211 july 2001THOMSON multimedia 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

Access DevicePresentation Device

RecorderConverter

moduleTerminalmodule

Digital Bus

Viewing broadcast content

Scrambled video+ Local ECM

Scrambled video+ CA

protected CW

Scrambled video+ CA

protected CW

CA protected CW

Local ECMLocal ECM

LocalECMLocalECM

Control Word to get clear

End to end protection

Recording content

Scrambled video+ CA

protected CW

Scrambled video+ CA

protected CW

CA protected CW

Local ECMLocal ECM

Viewing recorded content

Local ECMLocal ECM CWCW

Storage Unitneutral

Creating private copies

Same secret key to decrypt

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

If less than max size

No limitation

ImpossibleImpossible

No limitation

Under limited conditions

Viewing view-only content

TemporaryTemporarysecretsecret

RequestRequest

Collaboration between

converter & terminal

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.

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

Scenario 1: View for 3 hours

BuyView only

View only

Scenario: Pay 2 times then keep it

BuyView only

Private copy 2nd Buy

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.

CPTWG meeting July 11th, 2001

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 Association and Licensing Administration

SmartRight Association & LA

Founding/core Technology members

Advisory group (Content industry)

Specification, Patents, and Logo licensing

Smart cards PersonalizationSmart cards

Personalization

Content providers

Content distributors

Content distributorsCE / IT

manufacturers

CE / IT manufacturers

Chip/module manufacturers

CA / DRM providers

Licensees

Smart cards manufacturersSmart cards

manufacturers

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 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 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

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)

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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