Anonymous Statistical Survey of Attributes Using Distributed Plaintext Membership Text (特集 電子社会に向けたコンピュータセキュリティ技術)
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概要
- 論文の詳細を見る
A distributor of digital contents desires to collect users' attributes. This is because the distributor can grasp the image of users, and work out the marketing strategy. On the other hand, the users do not desire to offer the attributes owing to the privacy protection. For anonymous surveys, a protocol to generate statistical results of the attributes is previously proposed, where the extra information is not released beyond the statistical results. However, in the simple application of this protocol to the surveys, the correctness of the statistical results is not assured, since the distributor cannot verify whether the users offer the correct attributes. In this paper, under the assumption that some trusted third parties exist, an anonymous statistical survey system of attributes where the distributor can verify the correctness is proposed. In this accomplishment, a new cryptographic distributed protocol is introduced, which is called the distributed plaintext membership test protocol.
- 一般社団法人情報処理学会の論文
- 2002-08-15
著者
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Nakanishi Toru
Department Of Biochemistry Nagoya University School Of Medicine
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Sugiyama Yuji
Department Of Communication Net Work Engineering Faculty Of Engineering Okayama University
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