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Paper Abstract and Keywords
Presentation 2015-06-12 13:00
[Invited Talk] Hardware Security for Mobile Devices in Public Spaces
Yu-ichi Hayashi (Tohoku Gakuin Univ.), Naofumi Homma, Takafumi Aoki, Hideaki Sone (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The users of tablet PCs are rapidly spreading, and accordingly there are many scenes browsing and inputting personal information in public places with third persons in addition to private places. Unlike the conventional mobile phones and notebook PCs equipped with distinct input devices (e.g., keyboard), tablet PCs have touch-screen keyboards for data input. Such integration of display and input device increases the damage when the display is stolen by malicious attackers. This paper presents a new threat of stealing tablet PC dis-plays via electromagnetic (EM) emanation. In the conventional studies, such EM display stealing has been conducted with non-transportable setups. The studies also assumed that a large amount of times was available in advance to obtain electrical parameters specified for a target display. In contrast, this paper demonstrates that such EM display stealing is feasible in real time by a setup portable in an attache case. The EM display stealing does not require the conventional parameter tunings due to the prior profiling and the real-time signal processing. The attack distance of 2 m can be a practical threat to the general tablet PCs in public places. This paper discusses possible attack scenarios based on the above setup. In addition, we de-scribe a mechanism of EM emanation from tablet PCs and a countermeasure against such EM display stealing.
Keyword (in Japanese) (See Japanese page) 
(in English) EM Information Leakage / Tablet Devices / Hardware Security / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 81, ICSS2015-13, pp. 69-74, June 2015.
Paper # ICSS2015-13 
Date of Issue 2015-06-04 (IA, ICSS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee IA ICSS  
Conference Date 2015-06-11 - 2015-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Security, etc. 
Paper Information
Registration To ICSS 
Conference Code 2015-06-IA-ICSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hardware Security for Mobile Devices in Public Spaces 
Sub Title (in English)  
Keyword(1) EM Information Leakage  
Keyword(2) Tablet Devices  
Keyword(3) Hardware Security  
1st Author's Name Yu-ichi Hayashi  
1st Author's Affiliation Tohoku Gakuin University (Tohoku Gakuin Univ.)
2nd Author's Name Naofumi Homma  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Takafumi Aoki  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Hideaki Sone  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2015-06-12 13:00:00 
Presentation Time 40 
Registration for ICSS 
Paper # IEICE-IA2015-13,IEICE-ICSS2015-13 
Volume (vol) IEICE-115 
Number (no) no.80(IA), no.81(ICSS) 
Page pp.69-74 
#Pages IEICE-6 
Date of Issue IEICE-IA-2015-06-04,IEICE-ICSS-2015-06-04 

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