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Paper Abstract and Keywords
Presentation 2023-01-27 13:50
Side-Channel Information Leakage in Common-Mode Current from a Printed Circuit Board with Separated Ground Planes
Kohei Shimoda, Masaki Himuro, Kengo Iokibe, Yoshitaka Toyota (Okayama Univ.) EMCJ2022-84
Abstract (in Japanese) (See Japanese page) 
(in English) Side-channel attacks, which break encryption by analyzing the physical behavior leaked from cryptographic devices, have become information security threats. This paper investigated SASEBO-G, a side-channel attack standard evaluation board, identifying the source of side-channel information leakage superimposed on the common-mode current. As the source of the common-mode current, we examined the effects of separated ground planes for the cryptographic and control FPGAs and the imbalance difference between SASEBO-G and the power cable. We observed the common– mode currents flowing through the power cables. The correlation power analysis was performed by changing the separation of the ground plane and the amount of mode conversion caused by the imbalance difference. As a result, the common-mode current and information leakage intensity varied significantly depending on the ground plane separation. The ground separation on SASEBO-G was identified as the significant root cause of side-channel information leakage superimposing to the common-mode current.
Keyword (in Japanese) (See Japanese page) 
(in English) Side-channel Attack / Correlation Power Analysis / AES / Mode Conversion / Separate Ground Planes / Common-Mode / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 372, EMCJ2022-84, pp. 66-71, Jan. 2023.
Paper # EMCJ2022-84 
Date of Issue 2023-01-20 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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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Conference Information
Committee EMCJ  
Conference Date 2023-01-27 - 2023-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) WASHU BLUE RESORT 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2023-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Side-Channel Information Leakage in Common-Mode Current from a Printed Circuit Board with Separated Ground Planes 
Sub Title (in English)  
Keyword(1) Side-channel Attack  
Keyword(2) Correlation Power Analysis  
Keyword(3) AES  
Keyword(4) Mode Conversion  
Keyword(5) Separate Ground Planes  
Keyword(6) Common-Mode  
Keyword(7)  
Keyword(8)  
1st Author's Name Kohei Shimoda  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Masaki Himuro  
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 Yoshitaka Toyota  
4th Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2023-01-27 13:50:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2022-84 
Volume (vol) vol.122 
Number (no) no.372 
Page pp.66-71 
#Pages 6 
Date of Issue 2023-01-20 (EMCJ) 

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