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| Presentation | 2018-05-17 16:25 Public key attack on knapsak PKC based on subset sum decision problem Ryuichi Sakai, Yasuyuki Murakami (Osaka Electro-Communication Univ.)  IT2018-6 EMM2018-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In 2012, Murakami, Hamasho and Kasahara have proposed a knapsack PKC based on the subset sum decision problem. An attack against these type of knapsack PKCs by computing alternative solutions of the knapsack problem is then proposed by Nagao and Morii. In 2016, one of the authors, Murakami, have also proposed the knapsack type PKC (M16 PKC) based on the subset sum decision problem for preventing Nagao and Morii attack. In this paper, we propose the new effective attacks against M16 knapsack PKC. The proposed attacks are able to compute equivalent secret key from the public key, and decode the cipher text of M16 PKC with the equivalent secret key, in a same way of the decryption with the legitimate ecret(decryption) keys. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | knapsack PKC / subset sum decision problem / public key attack / equivalent secret key attack / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 31, IT2018-6, pp. 31-34, May 2018. | |
| Paper # | IT2018-6 | |
| Date of Issue | 2018-05-10 (IT, EMM) | |
| 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 | IT2018-6 EMM2018-6 |
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| Conference Information | |
| Committee | IT EMM |
| Conference Date | 2018-05-17 - 2018-05-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ookayama Campus, Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Information Security, Information Theory, Information Hiding, etc. |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2018-05-IT-EMM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Public key attack on knapsak PKC based on subset sum decision problem |
| Sub Title (in English) | |
| Keyword(1) | knapsack PKC |
| Keyword(2) | subset sum decision problem |
| Keyword(3) | public key attack |
| Keyword(4) | equivalent secret key attack |
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| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Ryuichi Sakai |
| 1st Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Communication Univ.) |
| 2nd Author's Name | Yasuyuki Murakami |
| 2nd Author's Affiliation | Osaka Electro-Communication University (Osaka Electro-Communication Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-05-17 16:25:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2018-6, EMM2018-6 |
| Volume (vol) | vol.118 |
| Number (no) | no.31(IT), no.32(EMM) |
| Page | pp.31-34 |
| #Pages | 4 |
| Date of Issue | 2018-05-10 (IT, EMM) |
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