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| Presentation | 2014-06-05 16:15 Attack on Knapsack Cryptography by Using Intermediary Plaintext Yoshihiro Kusanagi, Atsushi Nagao, Masakatu Morii (Kobe Univ.)  IA2014-3 ICSS2014-3 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Knapsack cryptography is the public key cryptosystem based on knapsack problem (especially subset sum problem). Density is used as the indicator in subset sum problem. Low-density knapsack cryptography, whose density is lower than 0.94, is broken by Low-Density Attack. Hence, a lot of high-density cryptography, whose density is higher than 1, are proposed. However, high-density knapsack cryptography's structure is more complicated and it has some different weaknesses from low-density cryptography. In this paper, we model the high-density knapsack cryptography by using intermediary plaintext. In addition, we propose new attacks on high-density knapsack cryptography and show the condition that the cryptography should satisfy. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | public key cryptosystem / knapsack cryptography / high-density knapsack cryptography / subset sum problem / intermediary plaintext / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 71, ICSS2014-3, pp. 9-14, June 2014. | |
| Paper # | ICSS2014-3 | |
| Date of Issue | 2014-05-29 (IA, ICSS) | |
| 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 | IA2014-3 ICSS2014-3 |
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| Conference Information | |
| Committee | ICSS IA |
| Conference Date | 2014-06-05 - 2014-06-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Takikawa Memorial Hall, Kobe University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Internet Security, etc. |
| Paper Information | |
| Registration To | ICSS |
| Conference Code | 2014-06-ICSS-IA |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Attack on Knapsack Cryptography by Using Intermediary Plaintext |
| Sub Title (in English) | |
| Keyword(1) | public key cryptosystem |
| Keyword(2) | knapsack cryptography |
| Keyword(3) | high-density knapsack cryptography |
| Keyword(4) | subset sum problem |
| Keyword(5) | intermediary plaintext |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yoshihiro Kusanagi |
| 1st Author's Affiliation | Kobe University (Kobe Univ.) |
| 2nd Author's Name | Atsushi Nagao |
| 2nd Author's Affiliation | Kobe University (Kobe Univ.) |
| 3rd Author's Name | Masakatu Morii |
| 3rd Author's Affiliation | Kobe University (Kobe Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-06-05 16:15:00 |
| Presentation Time | 25 minutes |
| Registration for | ICSS |
| Paper # | IA2014-3, ICSS2014-3 |
| Volume (vol) | vol.114 |
| Number (no) | no.70(IA), no.71(ICSS) |
| Page | pp.9-14 |
| #Pages | 6 |
| Date of Issue | 2014-05-29 (IA, ICSS) |
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