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Paper Abstract and Keywords
Presentation 2015-09-04 14:05
Proposal of Multivariate Public Key Cryptosystem based on numerous prime numbers and Chinese Remainder Theorem -- For quantum proof MPKC --
Shigeo Tsujii, Ryo Fujita, Masahito Gotaishi (Chuo Univ.) ISEC2015-30
Abstract (in Japanese) (See Japanese page) 
(in English) The studies of Multivariate Public Key Cryptosystem (MPKC) have been originated in Matsumoto-Imai cryptosystem and Tsujii triangular system in 1980s. Since the vulnerability of RSA and also Elliptic Curve Cryptosystem against quantum computers was shown in 1994, although a lot of studies in the eld of MPKC have been made extensively, it seems that reliable and practical MPKC has not been proposed yet. Considering this situation, authors have previously proposed MPKC relying on the difficulty of factoring large integers, which is not quantum proof. In this paper a quantum proof MPKC is proposed based on the difficulty of exhaustive search for combinations of numerous prime numbers and has security equivalent to random full rank quadratic polynomials.
Keyword (in Japanese) (See Japanese page) 
(in English) MPKC / Quantum Proof / Prime Numbers / Chinese Remainder Theorem / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 215, ISEC2015-30, pp. 35-41, Sept. 2015.
Paper # ISEC2015-30 
Date of Issue 2015-08-28 (ISEC) 
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)
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Conference Information
Committee ISEC  
Conference Date 2015-09-04 - 2015-09-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2015-09-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Multivariate Public Key Cryptosystem based on numerous prime numbers and Chinese Remainder Theorem 
Sub Title (in English) For quantum proof MPKC 
Keyword(1) MPKC  
Keyword(2) Quantum Proof  
Keyword(3) Prime Numbers  
Keyword(4) Chinese Remainder Theorem  
1st Author's Name Shigeo Tsujii  
1st Author's Affiliation Chuo University (Chuo Univ.)
2nd Author's Name Ryo Fujita  
2nd Author's Affiliation Chuo University (Chuo Univ.)
3rd Author's Name Masahito Gotaishi  
3rd Author's Affiliation Chuo University (Chuo Univ.)
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Date Time 2015-09-04 14:05:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2015-30 
Volume (vol) IEICE-115 
Number (no) no.215 
Page pp.35-41 
#Pages IEICE-7 
Date of Issue IEICE-ISEC-2015-08-28 

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