On the Implementation of Spread Spectrum Fingerprinting in Asymmetric Cryptographic Protocol
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説明
Digital fingerprinting of multimedia contents involves the generation of a fingerprint, the embedding operation, and the realization of traceability from redistributed contents. Considering a buyer's right, the asymmetric property in the transaction between a buyer and a seller must be achieved using a cryptographic protocol. In the conventional schemes, the implementation of a watermarking algorithm into the cryptographic protocol is not deeply discussed. In this paper, we propose the method for implementing the spread spectrum watermarking technique in the fingerprinting protocol based on the homomorphic encryption scheme. We first develop a rounding operation which converts real values into integer and its compensation, and then explore the tradeoff between the robustness and communication overhead. Experimental results show that our system can simulate Cox's spread spectrum watermarking method into asymmetric fingerprinting protocol.
収録刊行物
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- EURASIP Journal on Information Security
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EURASIP Journal on Information Security 2010 (1), 1-11, 2010-01-28
Hindawi Publishing Corporation
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詳細情報 詳細情報について
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- CRID
- 1050012570394832384
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- NII論文ID
- 120003037327
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- ISSN
- 1687417X
- 16874161
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- HANDLE
- 20.500.14094/90001346
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles
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