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Paper Abstract and Keywords
Presentation 2021-03-04 13:50
Design and Evaluation of Efficient AES S-box Hardware with Optimization of Linear Mappings
Ayano Nakashima, Rei Ueno, Naofumi Homma (Tohoku Univ.) VLD2020-84 HWS2020-59
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a new AES S-Box hardware design based on the optimization of linear mappings by combining multiplicative and exponential offsets. In general, the performance of efficient AES S-Box hardware with composite field representations depends largely on the construction of linear mappings (i.e., transformation matrices) between AES polynomial field and the composite field before and after S-Box. Multiplicative and exponential offset techniques have been reported previously for obtaining the optimal transformation matrix, but the optimization combined with both techniques has been applied only to S-Box of Boyar-Peralta type variants. In this paper, we propose an application of multiplicative and exponential offsets to AES S-Box hardware based on redundant Galois field arithmetic. In particular, we design two types of the S-Box hardware: one for only encryption (ENC) and another for both encryption and decryption (ENC/DEC), and evaluate their performances by logic synthesis using Nangate 45nm Open Cell Library. From the evaluation applied area optimization constraints results, we show that the proposed S-Box hardware for ENC and ENC/DEC improves by 23.2% and 20.1% in the area delay product, respectively, compared with the conventional S-Box hardware based on redundant Galois field arithmetic. Moreover, we show that the proposed S-Box hardware for ENC and ENC/DEC is up to 8.7% and 28.8% better in area delay product, respectively, even compared with the most efficient ones. In the evaluation with frequency optimization constraints, we also show that proposed S-Box hardware for ENC and ENC/DEC achieve higher performance in comparison with the conventional ones.
Keyword (in Japanese) (See Japanese page) 
(in English) AES / S-Box / linear operations / ASIC / cryptographic hardware / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 401, HWS2020-59, pp. 91-96, March 2021.
Paper # HWS2020-59 
Date of Issue 2021-02-24 (VLD, HWS) 
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 VLD2020-84 HWS2020-59

Conference Information
Committee HWS VLD  
Conference Date 2021-03-03 - 2021-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Technology for System-on-Silicon, Hardware Security, etc. 
Paper Information
Registration To HWS 
Conference Code 2021-03-HWS-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Evaluation of Efficient AES S-box Hardware with Optimization of Linear Mappings 
Sub Title (in English)  
Keyword(1) AES  
Keyword(2) S-Box  
Keyword(3) linear operations  
Keyword(4) ASIC  
Keyword(5) cryptographic hardware  
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Keyword(8)  
1st Author's Name Ayano Nakashima  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Rei Ueno  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Naofumi Homma  
3rd Author's Affiliation Tohoku University/CREST (Tohoku Univ.)
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Speaker Author-1 
Date Time 2021-03-04 13:50:00 
Presentation Time 25 minutes 
Registration for HWS 
Paper # VLD2020-84, HWS2020-59 
Volume (vol) vol.120 
Number (no) no.400(VLD), no.401(HWS) 
Page pp.91-96 
#Pages
Date of Issue 2021-02-24 (VLD, HWS) 


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