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| Presentation | 2013-09-13 11:35 A study on encoding scheme of secret sharing information Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.)  SIS2013-26 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A secret sharing is attracting attention as an algorithm in cryptography. It is a method in which the source data is divided into n pieces and the source data is reconstructed from any $k$ pieces but no knowledge of the source data is not revealed from k-1 pieces. This algorithm is called (k, n) threshold scheme. In this study, we propose a method, in which the source data is divided into n secret sharing data in the first step and each shared data is compressed in the second step. The necessity of compression depends on the conditions, then this scheme has a merit such that whether the data is compressed or not is selected after protecting the data. The compression adopts a method used in distributed video coding based on error correction codes. Assuming the ideal error correction decoding, any k shares reconstruct the source data. On the other hand, assuming the non-ideal error correction, the reconstruction quality is degraded. In such a case, using $k+1$ shares enhances the quality. Computer simulations show the validity of the proposed scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | secret sharing / distributed video coding / LDPC codes / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 202, SIS2013-26, pp. 77-82, Sept. 2013. | |
| Paper # | SIS2013-26 | |
| Date of Issue | 2013-09-05 (SIS) | |
| 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 | SIS2013-26 |
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| Conference Information | |
| Committee | SIS IPSJ-AVM |
| Conference Date | 2013-09-12 - 2013-09-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2013-09-SIS-AVM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on encoding scheme of secret sharing information |
| Sub Title (in English) | |
| Keyword(1) | secret sharing |
| Keyword(2) | distributed video coding |
| Keyword(3) | LDPC codes |
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| 1st Author's Name | Shoichiro Yamasaki |
| 1st Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 2nd Author's Name | Tomoko K. Matsushima |
| 2nd Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-09-13 11:35:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2013-26 |
| Volume (vol) | vol.113 |
| Number (no) | no.202 |
| Page | pp.77-82 |
| #Pages | 6 |
| Date of Issue | 2013-09-05 (SIS) |
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