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Paper Abstract and Keywords
Presentation 2013-01-30 11:10
A Secret Sharing Method for String Data Incorporating Their Transformation
Kana Tsukui, Hidetoshi Yokoo (Gunma Univ.) EMM2012-100
Abstract (in Japanese) (See Japanese page) 
(in English) Most real data are essentially string data, i.e., sequences of symbols.
This paper proposes a practical secret sharing scheme for string data.
We can distribute a string of symbols by simply dividing it into
substrings. However, this naive method is not suitable for secret use
since raw symbols or the same substrings of raw symbols as in the
original string are included in the distributed data. We combine
reversible trasformations over strings with such a naive method to realize
secret sharing similar to $(k,\,n)$-threshold schemes. Although the
proposed scheme is not perfectly secure, it can yield smaller shares
than the original string and requires no secret key or tables.
Keyword (in Japanese) (See Japanese page) 
(in English) BWT / MTF / secret sharing / threshold scheme / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 420, EMM2012-100, pp. 53-58, Jan. 2013.
Paper # EMM2012-100 
Date of Issue 2013-01-22 (EMM) 
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 EMM2012-100

Conference Information
Committee EMM  
Conference Date 2013-01-29 - 2013-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) etc. 
Paper Information
Registration To EMM 
Conference Code 2013-01-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Secret Sharing Method for String Data Incorporating Their Transformation 
Sub Title (in English)  
Keyword(1) BWT  
Keyword(2) MTF  
Keyword(3) secret sharing  
Keyword(4) threshold scheme  
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1st Author's Name Kana Tsukui  
1st Author's Affiliation Gunma University (Gunma Univ.)
2nd Author's Name Hidetoshi Yokoo  
2nd Author's Affiliation Gunma University (Gunma Univ.)
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Speaker Author-1 
Date Time 2013-01-30 11:10:00 
Presentation Time 30 minutes 
Registration for EMM 
Paper # EMM2012-100 
Volume (vol) vol.112 
Number (no) no.420 
Page pp.53-58 
#Pages 6 
Date of Issue 2013-01-22 (EMM) 

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