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Paper Abstract and Keywords
Presentation 2023-06-09 15:05
Fundamental Investigation of Electromagnetic Analysis Attack Detection Based on Frequency Difference between Ring Oscillators
Taichi Sato, Daisuke Fujimoto, Yuichi Hayashi (NAIST) EMCJ2023-25
Abstract (in Japanese) (See Japanese page) 
(in English) An attack that measures the power consumption of an encryption circuit using an EM probe and acquires secret information has been proposed. On the other hand, a method has been proposed in which a coil is mounted in the chip and the magnetic field coupling with the EM probe is detection. This method requires a dedicated analog circuit, which limits the devices to which it can be applied, and the detection distance is limited to the vicinity of the chip. In this paper, we propose a detection method using a ring oscillator that can be composed of digital circuits and capacitive coupling between the wiring outside the chip and the EM probe. By using this method, it is possible to extend the detection range to the vicinity of the wiring used for sensing. In addition, we calibrate the frequency fluctuation due to the voltage of the ring oscillator using the oscillation frequency of the ring oscillator closed in the chip, and show that it is possible to detect it even in an environment when the power supply voltage fluctuates.
Keyword (in Japanese) (See Japanese page) 
(in English) Side-channel attack / Power analysis attack / Capacitive coupling / EM probe detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 72, EMCJ2023-25, pp. 66-69, June 2023.
Paper # EMCJ2023-25 
Date of Issue 2023-06-02 (EMCJ) 
ISSN 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 EMCJ2023-25

Conference Information
Committee EMCJ  
Conference Date 2023-06-09 - 2023-06-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Otaru Chamber of Commerce & Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2023-06-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental Investigation of Electromagnetic Analysis Attack Detection Based on Frequency Difference between Ring Oscillators 
Sub Title (in English)  
Keyword(1) Side-channel attack  
Keyword(2) Power analysis attack  
Keyword(3) Capacitive coupling  
Keyword(4) EM probe detection  
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1st Author's Name Taichi Sato  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Daisuke Fujimoto  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Yuichi Hayashi  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2023-06-09 15:05:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2023-25 
Volume (vol) vol.123 
Number (no) no.72 
Page pp.66-69 
#Pages 4 
Date of Issue 2023-06-02 (EMCJ) 

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