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Paper Abstract and Keywords
Presentation 2012-07-20 11:20
A New Solving Algorithm for Attack Equation of Higher Order Differential Attack on AES (II)
Yusuke Inoue, Akinobu Kitagawa, Toshinobu Kaneko (TUS) ISEC2012-31 SITE2012-27 ICSS2012-33 EMM2012-23
Abstract (in Japanese) (See Japanese page) 
(in English) Ferguson et al. proposed 32-nd higher order differential attacks with partial sum method for 6 and 7 rounds AES. The method uses a concept of mod 2 occurrence table to accelerate the attack. The table is made for every key-candidate by S-box lookup. In SCIS 2012, we proposed an efficient algorithm which directly derives tables for candidate keys from a key-less occurrence table (without S-box lookup). This paper shows an experimental attack using the algorithm for 6 rounds AES, and a theoretical evaluation of computational costs for the attack of 6/7 rounds AES. The experimental results shows that the new algorithm is 54 times faster than Ferguson's partial sum method. Theoretical results shows that the former is $2^7$ times faster than the latter on 6 rounds AES and 7 rounds 256-bit AES.
Keyword (in Japanese) (See Japanese page) 
(in English) block cipher / AES / higher order differential attack / attack equation / fast solving algorithm / mod 2 occurrence table / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 126, ISEC2012-31, pp. 159-166, July 2012.
Paper # ISEC2012-31 
Date of Issue 2012-07-12 (ISEC, SITE, ICSS, EMM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ISEC2012-31 SITE2012-27 ICSS2012-33 EMM2012-23

Conference Information
Conference Date 2012-07-19 - 2012-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security 
Paper Information
Registration To ISEC 
Conference Code 2012-07-EMM-ISEC-SITE-ICSS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A New Solving Algorithm for Attack Equation of Higher Order Differential Attack on AES (II) 
Sub Title (in English)  
Keyword(1) block cipher  
Keyword(2) AES  
Keyword(3) higher order differential attack  
Keyword(4) attack equation  
Keyword(5) fast solving algorithm  
Keyword(6) mod 2 occurrence table  
1st Author's Name Yusuke Inoue  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Akinobu Kitagawa  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Toshinobu Kaneko  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Date Time 2012-07-20 11:20:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2012-31,IEICE-SITE2012-27,IEICE-ICSS2012-33,IEICE-EMM2012-23 
Volume (vol) IEICE-112 
Number (no) no.126(ISEC), no.127(SITE), no.128(ICSS), no.129(EMM) 
Page pp.159-166 
#Pages IEICE-8 
Date of Issue IEICE-ISEC-2012-07-12,IEICE-SITE-2012-07-12,IEICE-ICSS-2012-07-12,IEICE-EMM-2012-07-12 

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