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Paper Abstract and Keywords
Presentation 2016-07-14 14:40
Safety Evaluation for Permutation-Based Image Encryption Schemes against Jigsaw Puzzle Solvers
Tatsuya Chuman, Kenta Kurihara, Hitoshi Kiya (Tokyo Metro. Univ.) ISEC2016-17 SITE2016-11 ICSS2016-17 EMM2016-25
Abstract (in Japanese) (See Japanese page) 
(in English) Block-based scrambled image encryption schemes have superior features that are compressible and against noises to number theory-based encryption methods such as RSA and DES. On the other hand, it needs to be considered from different viewpoints from conventional ones. In this paper, we discuss the security of the block-based scrambled schemes against jigsaw-puzzle solvers. Block-based scrambled image encryption schemes are conventionally verified secure because the key space is large enough to be against a brute-force attack. The encrypted image has the same correlation blocks between the original ones despite the encryption. We compare divided blocks to jigsaw-puzzle pieces to verify the security of permutation-based image encryption schemes. Moreover, we conduct experiments with quantization noises image to evaluate the relation between security and noises.
Keyword (in Japanese) (See Japanese page) 
(in English) image encryption / JPEG / jigsaw puzzle solver / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 132, EMM2016-25, pp. 23-28, July 2016.
Paper # EMM2016-25 
Date of Issue 2016-07-07 (ISEC, SITE, ICSS, EMM) 
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 ISEC2016-17 SITE2016-11 ICSS2016-17 EMM2016-25

Conference Information
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) Safety Evaluation for Permutation-Based Image Encryption Schemes against Jigsaw Puzzle Solvers 
Sub Title (in English)  
Keyword(1) image encryption  
Keyword(2) JPEG  
Keyword(3) jigsaw puzzle solver  
1st Author's Name Tatsuya Chuman  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
2nd Author's Name Kenta Kurihara  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
3rd Author's Name Hitoshi Kiya  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-1 
Date Time 2016-07-14 14:40:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # ISEC2016-17, SITE2016-11, ICSS2016-17, EMM2016-25 
Volume (vol) vol.116 
Number (no) no.129(ISEC), no.130(SITE), no.131(ICSS), no.132(EMM) 
Page pp.23-28 
Date of Issue 2016-07-07 (ISEC, SITE, ICSS, EMM) 

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