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Paper Abstract and Keywords
Presentation 2018-07-25 14:50
Fundamental Study on Identification of EM Leakage Source of Audio Information from a Smart Device
Izumi Nishina, Daisuke Fujimoto (NAIST), Masahiro Kinugawa (NIT), Yu-ichi Hayashi (NAIST) ISEC2018-21 SITE2018-13 HWS2018-18 ICSS2018-24 EMM2018-20
Abstract (in Japanese) (See Japanese page) 
(in English) A threat of leakage of sound information via electromagnetic field from a smart device having an audio output function has been reported. To suppress leakage of sound information through EM waves, it is useful to search frequency bands that propagate sound information and electrical components that cause leakage of audio information. However, there is not enough discussion about the electrical components causing information leakage. In this paper, to provide the fundamental knowledge necessary to suppress leakage, we measure the EM field including audio information radiated from the components of the device and create cartography relating to the intensity of the radiated EM field. Thereby, we are able to find out the part causing information leakage. Finally, we verify the leakage source by extracting component and measuring EM waves from the component.
Keyword (in Japanese) (See Japanese page) 
(in English) EM information leakage / Smart device / Sound information leakage / EM radiated signal measurement / Cartography / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 153, HWS2018-18, pp. 83-88, July 2018.
Paper # HWS2018-18 
Date of Issue 2018-07-18 (ISEC, SITE, HWS, 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 ISEC2018-21 SITE2018-13 HWS2018-18 ICSS2018-24 EMM2018-20

Conference Information
Conference Date 2018-07-25 - 2018-07-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Sapporo Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, etc. 
Paper Information
Registration To HWS 
Conference Code 2018-07-HWS-ISEC-SITE-ICSS-EMM-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental Study on Identification of EM Leakage Source of Audio Information from a Smart Device 
Sub Title (in English)  
Keyword(1) EM information leakage  
Keyword(2) Smart device  
Keyword(3) Sound information leakage  
Keyword(4) EM radiated signal measurement  
Keyword(5) Cartography  
1st Author's Name Izumi Nishina  
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 Masahiro Kinugawa  
3rd Author's Affiliation National Institute of Technology, Sendai College (NIT)
4th Author's Name Yu-ichi Hayashi  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time 2018-07-25 14:50:00 
Presentation Time 25 
Registration for HWS 
Paper # IEICE-ISEC2018-21,IEICE-SITE2018-13,IEICE-HWS2018-18,IEICE-ICSS2018-24,IEICE-EMM2018-20 
Volume (vol) IEICE-118 
Number (no) no.151(ISEC), no.152(SITE), no.153(HWS), no.154(ICSS), no.155(EMM) 
Page pp.83-88 
#Pages IEICE-6 
Date of Issue IEICE-ISEC-2018-07-18,IEICE-SITE-2018-07-18,IEICE-HWS-2018-07-18,IEICE-ICSS-2018-07-18,IEICE-EMM-2018-07-18 

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