Universally Composable and Statistically Secure Verifiable Secret Sharing Scheme Based on Pre-Distributed Data
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概要
- 論文の詳細を見る
This paper presents a non-interactive verifiable secret sharing scheme (VSS) tolerating a dishonest majority based on data pre-distributed by a trusted authority. As an application of this VSS scheme we present very efficient unconditionally secure protocols for performing multiplication of shares based on pre-distributed data which generalize two-party computations based on linear pre-distributed bit commitments. The main results of this paper are a non-interactive VSS, a simplified multiplication protocol for shared values based on pre-distributed random products, and non-interactive zero knowledge proofs for arbitrary polynomial relations. The security of the schemes is proved using the UC framework.
- (社)電子情報通信学会の論文
- 2011-02-01
著者
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Nascimento A
Univ. Tokyo Tokyo Jpn
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MUELER-QUADE Joern
Universitaet Karlsruhe Institut fuer Algorithmen und Kognitive Systeme
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Imai Hideki
Faculty Of Science And Engineering Chuo University:research Center For Information Security (rcis) N
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Otsuka A
Ipa Tokyo Jpn
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DOWSLEY Rafael
Department of Electrical Engineering, University of Brasilia
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MÜLLER-QUADE Jörn
Universität Karlsruhe, Institut für Algorithmen und Kognitive Systeme
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Hanaoka Goichiro
Institute Of Industrial Science The University Of Tokyo
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Hanaoka Goichiro
3rd Department Institute Of Industrial Science The University Of Tokyo
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Nascimento Anderson
Department Of Electrical Engineering University Of Brasilia
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Imai Hideki
3rd Department Institute Of Industrial Science The University Of Tokyo
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Imai Hideki
National Inst. Of Advanced Industrial Sci. & Technol. (aist) Tokyo Jpn
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Otsuka Akira
National Inst. Advanced Industrial Sci. And Technol. Tokyo Jpn
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Hanaoka G
National Institute Of Advanced Industrial Science And Technology
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Hanaoka Goichiro
National Inst. Of Advanced Industrial Sci. And Technol. Tokyo Jpn
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Dowsley Rafael
Department Of Electrical Engineering University Of Brasilia
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Imai Hideki
National Inst. Advanced Industrial Sci. And Technol. Tokyo Jpn
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Imai Hideki
National Astronomical Observatory
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Muller-quade Jorn
Universitat Karlsruhe Institut Fur Algorithmen Und Kognitive Systeme
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