Collusion-resistant watermarking and fingerprinting

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7096364
APP PUB NO 20050060550A1
SERIAL NO

10975589

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Abstract

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An implementation of a technology is described herein that facilitates rights enforcement of digital goods using watermarks. More particularly, it is a fingerprinting technology for protecting digital goods by detecting collusion as a malicious attack and identifying the participating colluders. If a digital pirate breaks one client and enables this client to avoid watermark detection, all content (both marked/protected an unmarked/free) can be played as unmarked only on that particular client. However, to enable other clients to play content as unmarked, the digital pirate needs to collude the extracted detection keys from many clients in order to create content that can evade watermark detection on all clients. The described implementation significantly improves collusion resistance through a fingerprinting mechanism that can identify the members of a malicious coalition even when their numbers are several orders of magnitude greater than what conventional collusion-protection schemes can accomplish. However, in this scenario each member of the malicious coalition leaves a fingerprint in every digital good from which the estimated watermark is subtracted. Thus, like a burglar without gloves, the digital pirate leaves her fingerprints only when she commits a crime. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MICROSOFT TECHNOLOGY LICENSING, LLCREDMOND, WA29335

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kirovski, Darko Bellevue, WA 90 1725
Malvar, Henrique Redmond, WA 28 829
Yacobi, Yacov Mercer Island, WA 55 1798

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
6556984 Hierarchical string matching using multi-path dynamic programming 68 1999
6807634 Watermarks for customer identification 37 1999
 
FUJI JUKOGYO KABUSHIKI KAISHA (1)
6938046 Polyarchical data indexing and automatically generated hierarchical data indexing paths 37 2001
 
SEIKO EPSON CORPORATION (1)
6064764 Fragile watermarks for detecting tampering in images 283 1998
 
SAP SE (1)
6754666 Efficient storage and access in a database management system 63 2000
 
NEC CORPORATION (1)
5930369 Secure spread spectrum watermarking for multimedia data 553 1997
 
EMC IP HOLDING COMPANY LLC (1)
6636250 Methods and apparatus for presenting information to a user of a computer system 136 2000
 
MEDIASEC TECHNOLOGIES LLC (1)
6243480 Digital authentication with analog documents 328 1998
 
MICROSOFT TECHNOLOGY LICENSING, LLC (1)
6345100 Robust watermark method and apparatus for digital signals 142 1998
 
Daman, Inc. (1)
6317749 Method and apparatus for providing relationship objects and various features to relationship and other objects 32 1998
 
DIGIMARC CORPORATION (2)
6345104 Digital watermarks and methods for security documents 294 1998
2002/0009,208 Authentication of physical and electronic media objects using digital watermarks 238 2001
 
CUFER ASSET LTD. L.L.C. (1)
5812134 User interface navigational system & method for interactive representation of information contained within a database 197 1996
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MICROSOFT TECHNOLOGY LICENSING, LLC (1)
8878041 Detecting beat information using a diverse set of correlations 0 2009
* Cited By Examiner

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