Presentation 2001/9/10
A New Anonymous Fingerprinting Scheme Using Okamoto-Uchiyama Cryptosystem
Minoru KURIBAYASHI, Hatsukazu TANAKA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We propose a new anonymous fingerprinting scheme using Okamoto-Uchiyama cryptosystem. In the previous schemes the enciphering rate is so small that it seems very difficult to implement for any applications. In order to improve the rate ingeniously, we have applied the Okamoto-Uchiyama cryptosystem for our fingerprinting protocel. As the results, a buyer can commit a fingerprint to a merchant being embedded in a digital content anonymously and efficiently, and then the amount of encrypted data is controlled in a reasonable size. The security can also be protected for both of a buyer and a merchant in our scheme.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) anonymous fingerprinting / Okamoto-Uchiyama cryptosystem / bit commitment
Paper # ISEC 2001-67
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Committee ISEC
Conference Date 2001/9/10(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A New Anonymous Fingerprinting Scheme Using Okamoto-Uchiyama Cryptosystem
Sub Title (in English)
Keyword(1) anonymous fingerprinting
Keyword(2) Okamoto-Uchiyama cryptosystem
Keyword(3) bit commitment
1st Author's Name Minoru KURIBAYASHI
1st Author's Affiliation Division of Media and Information Science, Graduate School of Science and Technology, Kobe University()
2nd Author's Name Hatsukazu TANAKA
2nd Author's Affiliation Department of Electrical & Electronics Engineering, Faculty of Engineering, Kobe University
Date 2001/9/10
Paper # ISEC 2001-67
Volume (vol) vol.101
Number (no) 311
Page pp.pp.-
#Pages 6
Date of Issue