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Paper Abstract and Keywords
Presentation 2017-07-13 10:40
Study on Secret Sharing Scheme for Distributed Storage System
Masayuki Shiba, Shinichiro Miyazaki, Kotoku Omura, Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2017-18
Abstract (in Japanese) (See Japanese page) 
(in English) Secret sharing is a method in which the source information is divided into n shares and the source information is reconstructed from any k shares but no knowledge of the source information is revealed from $k-1$ shares. This algorithm is called $(k, n)$ threshold scheme. In this study, a system combining these implementation methods is proposed. The proposed system has two group of shares, which are called group 1 shares and group 2 shares. The $(k, n)$ threshold scheme using exclusive OR operation divides the secret information into the group 1 shares. As an extension of the system, the systematic Reed-Solomon coding encodes these group 1 shares and generates the parity symbols which are the group 2 shares. The secret information is reconstructed by using exclusive OR operation of the group 1 shares with low complexity, and it is also reconstructed by Reed-Solomon decoding of the group 2 shares if the computational complexity is tolerated. Each share is the data of the distributed storage. Analysis results show the improvement of the system reliability.
Keyword (in Japanese) (See Japanese page) 
(in English) secret sharing / Reed-Solomon coding / distributed storage / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 120, IT2017-18, pp. 11-14, July 2017.
Paper # IT2017-18 
Date of Issue 2017-07-06 (IT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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 IT2017-18

Conference Information
Committee IT  
Conference Date 2017-07-13 - 2017-07-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) freshman session, general 
Paper Information
Registration To IT 
Conference Code 2017-07-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Secret Sharing Scheme for Distributed Storage System 
Sub Title (in English)  
Keyword(1) secret sharing  
Keyword(2) Reed-Solomon coding  
Keyword(3) distributed storage  
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1st Author's Name Masayuki Shiba  
1st Author's Affiliation Polytechnic University (Polytechnic Univ.)
2nd Author's Name Shinichiro Miyazaki  
2nd Author's Affiliation Polytechnic University (Polytechnic Univ.)
3rd Author's Name Kotoku Omura  
3rd Author's Affiliation Polytechnic University (Polytechnic Univ.)
4th Author's Name Tomoko K. Matsushima  
4th Author's Affiliation Polytechnic University (Polytechnic Univ.)
5th Author's Name Shoichiro Yamasaki  
5th Author's Affiliation Polytechnic University (Polytechnic Univ.)
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Speaker Author-1 
Date Time 2017-07-13 10:40:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2017-18 
Volume (vol) vol.117 
Number (no) no.120 
Page pp.11-14 
#Pages 4 
Date of Issue 2017-07-06 (IT) 

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