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Paper Abstract and Keywords
Presentation 2018-07-20 13:30
Construction of post-quantum cryptosystem, K(Xs)CBPKC realizing coding rate of exactly 1.0 -- along with CRT K(AII)Product-SumPKC --
Masao Kasahara (Waseda Univ.) IT2018-23
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper we present a modified version of KF (XVI)SE(1)PKC formerly presented by the author. The modifed version will be referred to as K(Xs)CBPKC. K(Xs)CBPKC is constructed based on binary cyclic code, realizing the coding rate of exactly 1.0. We show that K(Xs)CBPKC would be secure against the brute-force attack by properly choosing the parameters such as code-length, number of check symbols. K(Xs)CBPKC would be also secure against the attack based on algebraic method as it successfully exploits the nice property of cyclic code. In appendix we present a new class of product sum type PKC, refered to as CRTK(AII)ΣΠPKC.
Keyword (in Japanese) (See Japanese page) 
(in English) PQC / CBPKC / cyclic code / K(X)Transformation / K(X+)Transformation / K(AII)ΣΠPKC / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 139, IT2018-23, pp. 63-68, July 2018.
Paper # IT2018-23 
Date of Issue 2018-07-12 (IT) 
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 IT2018-23

Conference Information
Committee IT  
Conference Date 2018-07-19 - 2018-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamato Kaigishitsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) freshman session, general 
Paper Information
Registration To IT 
Conference Code 2018-07-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Construction of post-quantum cryptosystem, K(Xs)CBPKC realizing coding rate of exactly 1.0 
Sub Title (in English) along with CRT K(AII)Product-SumPKC 
Keyword(1) PQC  
Keyword(2) CBPKC  
Keyword(3) cyclic code  
Keyword(4) K(X)Transformation  
Keyword(5) K(X+)Transformation  
Keyword(6) K(AII)ΣΠPKC  
1st Author's Name Masao Kasahara  
1st Author's Affiliation Waseda University (Waseda Univ.)
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Date Time 2018-07-20 13:30:00 
Presentation Time 25 
Registration for IT 
Paper # IEICE-IT2018-23 
Volume (vol) IEICE-118 
Number (no) no.139 
Page pp.63-68 
#Pages IEICE-6 
Date of Issue IEICE-IT-2018-07-12 

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