| JeanPaul M.G. Linnartz, Marten van Dijk.
Analysis of the Sensitivity Attack against Electronic Watermarks in Images, IHW'98 - Proc. of the International Information hiding Workshop, April.
1998.
[.gz]
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Abstract. In some applications of electronic watermarks, the device
that detects whether content contains a watermark or not is in public
domain. Attackers can misuse such detector as an oracle that reveals up
to one bit of information about the watermark in each experiment. An
informationtheoretical analysis of the information leakage is provided,
and a method is proposed to reduce the information leakage by orders
of magnitude.
keywords: Cryptanalysis, Copy Protection, Electronic Watermarks | ||||||||
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