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Paper Abstract and Keywords
Presentation 2012-07-20 16:15
Construction of the Tsujii-Shamir-Kasahara (TSK) Multivariate Public Key Cryptosystem, which relies on the Difficulty of Prime Factorization
Shigeo Tsujii, Masahito Gotaishi (Chuo Univ.) ISEC2012-39 SITE2012-35 ICSS2012-41 EMM2012-31
Abstract (in Japanese) (See Japanese page) 
(in English) A new multivariate public-key cryptosystem (MPKC) is proposed. Unlike conventional MPKC system,
the polynomials in the cryptosystems are de ned on Integer Ring, instead of nite eld. Other irrelevant polyno-
mials are added to central map polynomials to create the public key. Its central map is restored by using Chinese
Remainder theorem and thereby decrypted. This new sytem is expected to be a secure MPKC encryption system,
all of which have been successfully attacked.
Keyword (in Japanese) (See Japanese page) 
(in English) public key cryptosystem / multivariate public key cryptosystem / sequential solution method / post-quantum cryptosystem / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 126, ISEC2012-39, pp. 213-216, July 2012.
Paper # ISEC2012-39 
Date of Issue 2012-07-12 (ISEC, SITE, ICSS, EMM) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ISEC2012-39 SITE2012-35 ICSS2012-41 EMM2012-31

Conference Information
Conference Date 2012-07-19 - 2012-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security 
Paper Information
Registration To ISEC 
Conference Code 2012-07-EMM-ISEC-SITE-ICSS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Construction of the Tsujii-Shamir-Kasahara (TSK) Multivariate Public Key Cryptosystem, which relies on the Difficulty of Prime Factorization 
Sub Title (in English)  
Keyword(1) public key cryptosystem  
Keyword(2) multivariate public key cryptosystem  
Keyword(3) sequential solution method  
Keyword(4) post-quantum cryptosystem  
1st Author's Name Shigeo Tsujii  
1st Author's Affiliation Chuo University (Chuo Univ.)
2nd Author's Name Masahito Gotaishi  
2nd Author's Affiliation Chuo University (Chuo Univ.)
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Date Time 2012-07-20 16:15:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2012-39,IEICE-SITE2012-35,IEICE-ICSS2012-41,IEICE-EMM2012-31 
Volume (vol) IEICE-112 
Number (no) no.126(ISEC), no.127(SITE), no.128(ICSS), no.129(EMM) 
Page pp.213-216 
#Pages IEICE-4 
Date of Issue IEICE-ISEC-2012-07-12,IEICE-SITE-2012-07-12,IEICE-ICSS-2012-07-12,IEICE-EMM-2012-07-12 

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