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Paper Abstract and Keywords
Presentation 2013-03-25 11:35
Partially Doubly-Encrypted ID-based Encryption and its Security
Makoto Sato (Nagoya Inst. of Tech.), Masami Mohri (Gifu Univ.), Hiroshi Doi (IISEC), Yoshiaki Shiraishi (Nagoya Inst. of Tech.) ICSS2012-60
Abstract (in Japanese) (See Japanese page) 
(in English) In concealing files by common key encryption, a key used for the encryption must be shared safely between a sender and a receiver. When ID-based encryption (IBE) which does not require public key certificates is used for key sharing, all private keys needed to decrypt ciphertexts are generated by the Private Key Generator (PKG).
In this paper, we propose an IBE-based encryption scheme which satisfies following properties : 1) Even the PKG cannot decrypt ciphertexts. 2) The number of entities needed to construct the scheme is few. Then, we prove that our scheme is secure against passive attack even if either server out of two servers constructing our scheme colludes with an attacker, and give the comparison result.
Keyword (in Japanese) (See Japanese page) 
(in English) ID-based Encryption / Distribution of the Decryption Ability / Double Encryption / Passive Attack / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 499, ICSS2012-60, pp. 19-24, March 2013.
Paper # ICSS2012-60 
Date of Issue 2013-03-18 (ICSS) 
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 ICSS2012-60

Conference Information
Committee ICSS  
Conference Date 2013-03-25 - 2013-03-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Yokohama National University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Security, etc. 
Paper Information
Registration To ICSS 
Conference Code 2013-03-ICSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Partially Doubly-Encrypted ID-based Encryption and its Security 
Sub Title (in English)  
Keyword(1) ID-based Encryption  
Keyword(2) Distribution of the Decryption Ability  
Keyword(3) Double Encryption  
Keyword(4) Passive Attack  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Makoto Sato  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
2nd Author's Name Masami Mohri  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Hiroshi Doi  
3rd Author's Affiliation Institute of Information Security (IISEC)
4th Author's Name Yoshiaki Shiraishi  
4th Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-03-25 11:35:00 
Presentation Time 25 minutes 
Registration for ICSS 
Paper # ICSS2012-60 
Volume (vol) vol.112 
Number (no) no.499 
Page pp.19-24 
#Pages 6 
Date of Issue 2013-03-18 (ICSS) 

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