Paper Abstract and Keywords |
Presentation |
2016-03-04 15:40
Higher-order differential attack on the round-reduced variants of the block cipher Yusuke Takahashi, Yasutaka Igarashi, Toshinobu Kaneko (TUS) ICSS2015-73 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Midori64 proposed by Banik et al. in 2015 is an SPN-type block cipher with 128-bit secret key. The designers have evaluated the security of Midori64 against differential attack, linear attack, boomerang-type attack, impossible differential attacks, meet-in-the-middle attack by theirself.
Higher-order differential attack proposed by Lai is one of the generic cryptanalysis technique focused on degree of boolean polynomial of encryption function. As a Result, we show the 12nd-order differential attack on the 10-round variants of Midori64 where we exploit partial-sum technique proposed by Ferguson and the first-round key assumption called a round-elimination technique. Original Midori64 consists of 16-round functions, therefore its security against this attack. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Midori64 / Block Cipher / Higher-order Differential Attack / Boolean Polynomial / Partial-sum Technique / / / |
Reference Info. |
IEICE Tech. Rep., vol. 115, no. 488, ICSS2015-73, pp. 159-164, March 2016. |
Paper # |
ICSS2015-73 |
Date of Issue |
2016-02-25 (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) |
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ICSS2015-73 |
Conference Information |
Committee |
ICSS IPSJ-SPT |
Conference Date |
2016-03-03 - 2016-03-04 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Academic Center for Computing and Media Studies, Kyoto University |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Information and Communication System Security, etc. |
Paper Information |
Registration To |
ICSS |
Conference Code |
2016-03-ICSS-SPT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Higher-order differential attack on the round-reduced variants of the block cipher |
Sub Title (in English) |
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Midori64 |
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Block Cipher |
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Higher-order Differential Attack |
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Boolean Polynomial |
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Partial-sum Technique |
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1st Author's Name |
Yusuke Takahashi |
1st Author's Affiliation |
Tokyo University of Science (TUS) |
2nd Author's Name |
Yasutaka Igarashi |
2nd Author's Affiliation |
Tokyo University of Science (TUS) |
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Toshinobu Kaneko |
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Tokyo University of Science (TUS) |
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Speaker |
Author-1 |
Date Time |
2016-03-04 15:40:00 |
Presentation Time |
30 minutes |
Registration for |
ICSS |
Paper # |
ICSS2015-73 |
Volume (vol) |
vol.115 |
Number (no) |
no.488 |
Page |
pp.159-164 |
#Pages |
6 |
Date of Issue |
2016-02-25 (ICSS) |
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