Transcript Protection of SCORM-compliant Content Magda Mourad T.J. Watson Research Center

Protection of
SCORM-compliant Content
Magda Mourad
T.J. Watson Research Center
[email protected]
The Problem
 Enforce digital rights of web-based
educational content without requiring a
proprietary browser.
Magda Mourad
The Solution
 The use of extensions to secure existing
 web browsers and
 Java players
while ensuring
 transparency to the user and
 applicability to SCORM-compliant content.
Magda Mourad
WebGuard Module
 View
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Core Technology adapted to SCORM LOs
Magda Mourad
WebGuard Technology
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Developed by IBM Watson Research
Adapted to SCORM LO
Can be used with any XML based DRM language
Can be used with any standard compliant LMS
Currently works with IE 5.5 (Win’95 and above)
WebGuard module will be packaged in a Tamper
Resistant wrapper
 Tight integration with LMS is possible
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Browser Solution
 Use pluggable protocols to extend browser
 Launcher paradigm to create trusted environment
 Control application menus to enforce usage rights
Magda Mourad
Trusted Browser Architecture
Authorize
Content
Preparation
Promo
Encrypted
Content
Clearing
House
Get Keys
Content
e-Store
Buy
Rights
Web
Browser
Acquisition
Trusted
Content
Handler
Usage
Rights
Access
Content
Get Content
Content
Storage
Application
Digest
Rights
Key
Map
Content
Client
Magda Mourad
Digital Rights Management Client
Verify
Integrity
Protected SCORM Content Flow
(1) Registration and Request for Rights
WG
Store
Course
(2) Encrypted rights
Rights
SCO3
SCO2
SCO1
WG
Packer
Client
Encrypted
Content
WG
Content
Server
Asset
Units
(5)
rmhttp
WG
extension
Web
Browser
MetaData
Manifest
Course
Information
(3) Login & select a course
LMS
(4) Course rmhttp URL
Magda Mourad