NDLI: A new approach to countering ambiguity attacks

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A new approach to countering ambiguity attacks

Content Provider	ACM Digital Library
Author	Sencar, Husrev Taha Li, Qiming Memon, Nasir
Abstract	Watermarking based ownership dispute resolution schemes are vulnerable to a simple but effective class of attacks, called ambiguity attacks, which cast doubt on the reliability of resulting decision by exploiting the high false-positive rate of the watermarking scheme. To mitigate such attacks, we propose a new scheme that embeds multiple watermarks, as opposed to embedding a single watermark, while constraining the embedding distortion, and detects a randomly selected subset of them during an ownership proof. The crux of the scheme lies in both watermark generation, which deploys a family of one-way functions, and selective detection, which injects uncertainty to detection process. The reduction in false-positive probability is analyzed and compared to single watermark embedding for the additive watermarking technique through numerical solutions. Moreover, we examine the exact security level that can be achieved by our scheme with different combinations of parameters. We adopt a previous security proof of non-invertible watermarking schemes with modified notion of security that is more realistic in practice, which allows us to derive the achievable security with typical parameters.
Starting Page	205
Ending Page	214
Page Count	10
File Format	PDF
ISBN	9781595938572
DOI	10.1145/1288869.1288898
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-09-20
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Ambiguity attack Watermarking Security
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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