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Paper Abstract and Keywords
Presentation 2022-10-25 14:50
Design and Prototype Evaluation of Stochastic Encrypted Computing Hardware
Yuki Tamura, Rei Ueno, Naofumi Homma (Tohoku Univ.) HWS2022-38 ICD2022-30
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes the design and evaluation of Homomorphic Encryption for
Stochastic Computing (HESC) hardware.HESC is a cryptographic scheme that can compute stochastic operations, called
stochastic computing, on encrypted data.Compared with the conventional homomorphic encryption schemes, HESC allows
for a significant reduction in computational complexity at the expense
of computational accuracy while HESC has been evaluated only on software.
In this paper, we present a design of HESC hardware based on BFV and CKKS which
are representative homomorphic encryption.We then apply the HESC hardware to computing various polynomial functions
and oblivious inference using neural networks, and show the effectiveness
of the hardware in comparison with the corresponding software on the
present high-end CPU.
Keyword (in Japanese) (See Japanese page) 
(in English) Homomorphic Encryption / Stochastic Computing / Secure Computing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 227, HWS2022-38, pp. 46-51, Oct. 2022.
Paper # HWS2022-38 
Date of Issue 2022-10-18 (HWS, ICD) 
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 HWS2022-38 ICD2022-30

Conference Information
Committee HWS ICD  
Conference Date 2022-10-25 - 2022-10-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Hardware Security, etc. 
Paper Information
Registration To HWS 
Conference Code 2022-10-HWS-ICD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Prototype Evaluation of Stochastic Encrypted Computing Hardware 
Sub Title (in English)  
Keyword(1) Homomorphic Encryption  
Keyword(2) Stochastic Computing  
Keyword(3) Secure Computing  
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1st Author's Name Yuki Tamura  
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 (Tohoku Univ.)
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Speaker Author-1 
Date Time 2022-10-25 14:50:00 
Presentation Time 25 minutes 
Registration for HWS 
Paper # HWS2022-38, ICD2022-30 
Volume (vol) vol.122 
Number (no) no.227(HWS), no.228(ICD) 
Page pp.46-51 
#Pages
Date of Issue 2022-10-18 (HWS, ICD) 


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