Presentation 2001/7/18
Random-Error-Resilient Tracing Algorithm for Collusion-Secure Fingerprinting Code
Katsunari YOSHIOKA, Tsutomu MATSUMOTO,
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Abstract(in English) An adoption of a collusion-secure fingerprinting code has been considered as a countermeasure against collusion attacks.However, the collusion-secure code first suggested does not retain its traceability when added random errors, which were normally caused by alterations of the data in which the fingerprint was embedded.That is because the code is constructed assuming that a collusion attack was the only possible attack made against the scheme.As the assumption is not quite appropriate for some fingerprinting applications, it is necessary to construct a new collusion-secure code with a new assumption that includes at least a random-error addition to its codeword.In this paper, we propose a new tracing algorithm for c-secure CRT code, one of the collusion-secure fingerprinting codes, in order to gain its resilience to random errors.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) digital watermarking / fingerprinting / collusion attack / c-secure code
Paper # ISEC2001-52
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Committee ISEC
Conference Date 2001/7/18(1days)
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Registration To Information Security (ISEC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Random-Error-Resilient Tracing Algorithm for Collusion-Secure Fingerprinting Code
Sub Title (in English)
Keyword(1) digital watermarking
Keyword(2) fingerprinting
Keyword(3) collusion attack
Keyword(4) c-secure code
1st Author's Name Katsunari YOSHIOKA
1st Author's Affiliation Graduate School of Engineering Yokohama National University()
2nd Author's Name Tsutomu MATSUMOTO
2nd Author's Affiliation Graduate School of Engineering Yokohama National University : Graduate School of Environment and Information Sciences Yokohama National University
Date 2001/7/18
Paper # ISEC2001-52
Volume (vol) vol.101
Number (no) 214
Page pp.pp.-
#Pages 8
Date of Issue