Paper Abstract and Keywords |
Presentation |
2017-09-04 14:55
New Public Key Encryption Scheme based on Code and Multivariate Polynomials in Binary Field Tomoyuki Okubo, Bagus Santoso (UEC) ISEC2017-45 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In this paper, we try to combine the code-based public key encryption scheme, McEliece public key encryption scheme, and multivariate polynomials based public key encryption scheme, SRP, which is proposed in Yasuda et al. in ICICS 2015. Since McEliece scheme is originally proposed in binary extension field, all operations in the scheme can be expressed in simple bitwise operations, and the decoding is relatively fast. However, the keys are very large. On the other hand, SRP scheme has smaller keys but the decoding is very slow. We combine the two schemes into a new encryption scheme by transforming the base field of SRP into binary field and replacing the part which becomes bottleneck for decoding in SRP scheme with a modified McEliece scheme. According to our calculation on the security parameters, our new scheme has smaller keys compared to McEliece without reducing the original level of security. Furthermore, according to our machine experiment, our new scheme has a faster decoding compared to SRP. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Code-based cryptosystem / Multivariate cryptosystem / Binary field / Post-quantum cryptosystem / McEliece / Rainbow / / |
Reference Info. |
IEICE Tech. Rep., vol. 117, no. 202, ISEC2017-45, pp. 29-33, Sept. 2017. |
Paper # |
ISEC2017-45 |
Date of Issue |
2017-08-28 (ISEC) |
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) |
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ISEC2017-45 |
Conference Information |
Committee |
ISEC |
Conference Date |
2017-09-04 - 2017-09-04 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
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Paper Information |
Registration To |
ISEC |
Conference Code |
2017-09-ISEC |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
New Public Key Encryption Scheme based on Code and Multivariate Polynomials in Binary Field |
Sub Title (in English) |
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Keyword(1) |
Code-based cryptosystem |
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Multivariate cryptosystem |
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Binary field |
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Post-quantum cryptosystem |
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McEliece |
Keyword(6) |
Rainbow |
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1st Author's Name |
Tomoyuki Okubo |
1st Author's Affiliation |
The University of Electro-Communications (UEC) |
2nd Author's Name |
Bagus Santoso |
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The University of Electro-Communications (UEC) |
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Speaker |
Author-1 |
Date Time |
2017-09-04 14:55:00 |
Presentation Time |
25 minutes |
Registration for |
ISEC |
Paper # |
ISEC2017-45 |
Volume (vol) |
vol.117 |
Number (no) |
no.202 |
Page |
pp.29-33 |
#Pages |
5 |
Date of Issue |
2017-08-28 (ISEC) |
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