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Paper Abstract and Keywords
Presentation 2017-05-18 14:46
[Poster Presentation] Electromagnetic Information Leakage Analysis of Cryptographic IC in Correlation Power Analysis
Yasunari Kumano, Yusuke Yano, Kengo Iokibe, Hiroto Kagotani, Yoshitaka Toyota (Okayama Univ.) EMCJ2017-10
Abstract (in Japanese) (See Japanese page) 
(in English) We observed and analyzed electromagnetic information leakage of the Advanced Encryption Standard (AES) cryptographic circuit implemented on an FPGA to estimate the root cause of the EM information leakage. Our final goal of this work is to develop an efficient countermeasure at IC cell level for securing cryptographic security from correlation power analysis(CPA), one of the most powerful attack method causing EM information leakages from hardware implementation of cryptography. For this purpose, we examined a simple countermeasure to CPA and investigated the AES implementation for the root cause. We attacked the AES implementation, including the countermeasure, using two power models in the CPA: hamming distance (HD) model and hamming weight (HW) model. We verified that the countermeasure worked in CPA using the HD model expectedly. We also found, in CPA using the HW model, several sub-circuits of the AES implementation leaking side-channel information in detectable level for adversaries. The detectable leakage was not mitigated by the simple countermeasure.
Keyword (in Japanese) (See Japanese page) 
(in English) Advanced Encryption Standard / correlation power analysis / Hamming distance / Hamming weight / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 32, EMCJ2017-10, pp. 7-8, May 2017.
Paper # EMCJ2017-10 
Date of Issue 2017-05-11 (EMCJ) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF EMCJ2017-10

Conference Information
Committee EMCJ IEE-EMC IEE-MAG  
Conference Date 2017-05-18 - 2017-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Nanyang Technological University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC Joint Workshop, 2017, Singapore 
Paper Information
Registration To EMCJ 
Conference Code 2017-05-EMCJ-EMC-MAG 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electromagnetic Information Leakage Analysis of Cryptographic IC in Correlation Power Analysis 
Sub Title (in English)  
Keyword(1) Advanced Encryption Standard  
Keyword(2) correlation power analysis  
Keyword(3) Hamming distance  
Keyword(4) Hamming weight  
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1st Author's Name Yasunari Kumano  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Yusuke Yano  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Kengo Iokibe  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Hiroto Kagotani  
4th Author's Affiliation Okayama University (Okayama Univ.)
5th Author's Name Yoshitaka Toyota  
5th Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2017-05-18 14:46:00 
Presentation Time 3 minutes 
Registration for EMCJ 
Paper # EMCJ2017-10 
Volume (vol) vol.117 
Number (no) no.32 
Page pp.7-8 
#Pages
Date of Issue 2017-05-11 (EMCJ) 


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