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Paper Abstract and Keywords
Presentation 2014-03-03 15:35
Improved scan-based side-channel attack on the LED block cipher independent of scan structure
Mika Fujishiro, Masao Yanagisawa, Nozomu Togawa (Waseda Univ.) VLD2013-139
Abstract (in Japanese) (See Japanese page) 
(in English) LED (Light Encryption Device) block cipher, one of lightweight block ciphers, is very compact in hardware. The conventional scan-based side-channel attack method on the LED would not retrieve the secret key if the scan chain length in the LED LSI is about 30,000 bits or more. In this paper, an improved scan-based attack method on the LED block cipher independent of scan structure is proposed. Experimental results show that our proposed method successfully retrieves its 64-bit secret key using 36 plaintexts on average if the scan chain is only connected to the LED block cipher. These experimental results also show the key is successfully retrieved even if the scan chain includes additional 130,000 1-bit registers.
Keyword (in Japanese) (See Japanese page) 
(in English) LED / Light Encryption Device / side-channel attacks / scan chain / scan-based attack / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 454, VLD2013-139, pp. 31-36, March 2014.
Paper # VLD2013-139 
Date of Issue 2014-02-24 (VLD) 
ISSN Print edition: ISSN 0913-5685    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 VLD  
Conference Date 2014-03-03 - 2014-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Seinen Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Technology for System-on-Silicon 
Paper Information
Registration To VLD 
Conference Code 2014-03-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved scan-based side-channel attack on the LED block cipher independent of scan structure 
Sub Title (in English)  
Keyword(1) LED  
Keyword(2) Light Encryption Device  
Keyword(3) side-channel attacks  
Keyword(4) scan chain  
Keyword(5) scan-based attack  
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Keyword(8)  
1st Author's Name Mika Fujishiro  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Masao Yanagisawa  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Nozomu Togawa  
3rd Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2014-03-03 15:35:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2013-139 
Volume (vol) vol.113 
Number (no) no.454 
Page pp.31-36 
#Pages
Date of Issue 2014-02-24 (VLD) 


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