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Paper Abstract and Keywords
Presentation 2019-03-08 11:15
A Lower Bound of the Joint Capacity of Digital Fingerprinting Codes against a Mixed Attack
Tatsuya Sekine, Hiroki Koga (U. Tsukuba) IT2018-119 ISEC2018-125 WBS2018-120
Abstract (in Japanese) (See Japanese page) 
(in English) Digital fingerprinting codes are embedded in digital contents for protecting copyrights of the digital contents against malicious users who generate a pirated copy. Usually, digital fingerprinting codes should be designed so that a part (or all) of the malicious users can be specified with high probability. In this paper, we consider the situation where two malicious users choose two distinct attack models and use their mixture for generation of a pirated copy. We succeed in obtaining a lower bound of the joint capacity for this case by giving an identification algorithm of the two malicious users based on a certain score function. Key words digital fingerprintingcodes, collusion attack, joint capacity.
Keyword (in Japanese) (See Japanese page) 
(in English) digital fingerprintingcodes / collusion attack / joint capacity / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 477, IT2018-119, pp. 269-274, March 2019.
Paper # IT2018-119 
Date of Issue 2019-02-28 (IT, ISEC, WBS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IT2018-119 ISEC2018-125 WBS2018-120

Conference Information
Committee IT ISEC WBS  
Conference Date 2019-03-07 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To IT 
Conference Code 2019-03-IT-ISEC-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Lower Bound of the Joint Capacity of Digital Fingerprinting Codes against a Mixed Attack 
Sub Title (in English)  
Keyword(1) digital fingerprintingcodes  
Keyword(2) collusion attack  
Keyword(3) joint capacity  
1st Author's Name Tatsuya Sekine  
1st Author's Affiliation University of Tsukuba (U. Tsukuba)
2nd Author's Name Hiroki Koga  
2nd Author's Affiliation University of Tsukuba (U. Tsukuba)
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Date Time 2019-03-08 11:15:00 
Presentation Time 25 
Registration for IT 
Paper # IEICE-IT2018-119,IEICE-ISEC2018-125,IEICE-WBS2018-120 
Volume (vol) IEICE-118 
Number (no) no.477(IT), no.478(ISEC), no.479(WBS) 
Page pp.269-274 
#Pages IEICE-6 
Date of Issue IEICE-IT-2019-02-28,IEICE-ISEC-2019-02-28,IEICE-WBS-2019-02-28 

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