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Paper Abstract and Keywords
Presentation 2009-01-29 17:25
Design and Implementation of Secret Sharing Distributed Database System
Shota Minakami, Toshiyuki Miyamoto (Osaka Univ.) CST2008-50
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, database security has attracted attention due to
frequent occurrence of individual information leak.
Distributed database systems have higher extensibility than centralized
database systems, and have advantage that load distribution is possible.
But protection of data confidentiality and integrity is more difficult in
distributed database systems because data are allocated to multiple servers.
The secret sharing scheme is secure distributing data method.
So it is thoght that we can build highly confidencial and integrity
database system by using the secret sharing scheme.
We have already implemented a trial database system using a ($k,n$)
threshold scheme, which is one of the secret sharing scheme.
In this paper, we redesign system functions and behavior of servers.
Then we verify security of the designed system.
Finally we implement a distributed database system using the ($k,n$) threshold
scheme newly.
Keyword (in Japanese) (See Japanese page) 
(in English) database security / distributed database system / secret sharing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, Jan. 2009.
Paper #  
Date of Issue 2009-01-22 (CST) 
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 CST2008-50

Conference Information
Committee MSS  
Conference Date 2009-01-29 - 2009-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanagawa Industrial Promotion Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Concurrent Systems 
Paper Information
Registration To MSS 
Conference Code 2009-01-CST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Implementation of Secret Sharing Distributed Database System 
Sub Title (in English)  
Keyword(1) database security  
Keyword(2) distributed database system  
Keyword(3) secret sharing  
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1st Author's Name Shota Minakami  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Toshiyuki Miyamoto  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2009-01-29 17:25:00 
Presentation Time 25 minutes 
Registration for MSS 
Paper # CST2008-50 
Volume (vol) vol.108 
Number (no) no.415 
Page pp.51-56 
#Pages 6 
Date of Issue 2009-01-22 (CST) 

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