(In)Security of an Efficient Fingerprinting Scheme with Symmetric and Commutative Encryption of IWDW 2005
We analyze the security of a fingerprinting scheme proposed at IWDW 2005. We show two results, namely that this scheme (1) does riot provide seller security: a dishonest buyer can repudiate the fact that, he redistributed a content, and (2) does riot, provide buyer security: a buyer can be framed by a malicious seller.
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Keywords: Watermarking ; fingerprinting ; security issues ; combination of data hiding and cryptography ; buyer-seller ; repudiation ; framing ; Seller Watermarking Protocol ; Different Passwords ; Cryptanalysis ; Cryptography ; Improvement ; Anonymity ; Design
Record created on 2010-11-30, modified on 2016-08-09