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Paper Abstract and Keywords
Presentation 2016-07-14 13:25
Considerations of Some Obfuscated Operations on the Security of Watermarking Schemes under the Kerckhoffs' principle
Koichiro Yamashita, Minoru Kuribayashi, Nobuo Funabiki (Okayama Univ.) ISEC2016-14 SITE2016-8 ICSS2016-14 EMM2016-22
Abstract (in Japanese) (See Japanese page) 
(in English) In general, watermark information is embedded into the host signals selected from digital content according to a secret key. However, the selected host signals can be easily classified from given watermarked content if all algorithms except for the secret key are in public based on the Kerckhoffs' principle. One of the countermeasures was proposed in ICIP2015 that introduced a simple obfuscating operation. The drawback of the method is the redundancy in the entire watermarking process. Although an alternative method was also presented by the identification of the process, the robustness against attack was decreased in the experiment. In this study, we analyze the reason of the degradation of the performance, and confirm the effects of some signal processing operations in the watermarking process including the obfuscating operation.
Keyword (in Japanese) (See Japanese page) 
(in English) watermarking / Kerckhoffs' principle / obfuscating operations / security / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 132, EMM2016-22, pp. 7-12, July 2016.
Paper # EMM2016-22 
Date of Issue 2016-07-07 (ISEC, SITE, ICSS, EMM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 ISEC2016-14 SITE2016-8 ICSS2016-14 EMM2016-22

Conference Information
Committee EMM ISEC SITE ICSS IPSJ-CSEC IPSJ-SPT  
Conference Date 2016-07-14 - 2016-07-15 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) security, etc 
Paper Information
Registration To EMM 
Conference Code 2016-07-EMM-ISEC-SITE-ICSS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Considerations of Some Obfuscated Operations on the Security of Watermarking Schemes under the Kerckhoffs' principle 
Sub Title (in English)  
Keyword(1) watermarking  
Keyword(2) Kerckhoffs' principle  
Keyword(3) obfuscating operations  
Keyword(4) security  
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1st Author's Name Koichiro Yamashita  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Minoru Kuribayashi  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Nobuo Funabiki  
3rd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2016-07-14 13:25:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # ISEC2016-14, SITE2016-8, ICSS2016-14, EMM2016-22 
Volume (vol) vol.116 
Number (no) no.129(ISEC), no.130(SITE), no.131(ICSS), no.132(EMM) 
Page pp.7-12 
#Pages
Date of Issue 2016-07-07 (ISEC, SITE, ICSS, EMM) 


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