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Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/138320

Title:	PrivGRU: Privacy-preserving GRU inference using additive secret sharing
Authors:	左瑞麟 Tso, Raylin
Contributors:	資科系
Keywords:	Privacy-preserving;MLaaS;gated recurrent unit;additive secret sharing;UC framework
Date:	2020-05
Issue Date:	2021-12-23 15:40:04 (UTC+8)
Abstract:	Gated Recurrent Unit (GRU) has wide application fields, such as sentiment analysis, speech recognition, and other sequential data processing. For efficient prediction, a growing number of model owners choose to deploy the trained GRU models through the machine-learning-as-a-service method (MLaaS). However, deploying a GRU model in cloud generates privacy issues for both model owners and prediction clients. This paper presents the architecture of PrivGRU and designs the privacy-preserving protocols to complete the secure inference. The protocols include base protocols and principal protocols. Base protocols define basic linear and non-linear computations, while principal protocols construct the gating mechanisms of GRUs. The main benefit of PrivGRU is to address privacy problems while enjoying the efficiency and convenience of MLaaS. The overall secure inference is performed on shares, which retain two properties of security: correctness and privacy. To prove the security, this work adopts Universal Composability (UC) framework with the honest-but-curious corruption model. As each protocol is proved to UC-realize the ideal functionality, it can be arbitrarily composed in any manner. This strong security feature makes PrivGRU more flexible and practical in future implementation.
Relation:	Journal of Intelligent & Fuzzy Systems, Vol.5, No.38, pp.5627-5638
Data Type:	article
DOI link:	https://doi.org/10.3233/JIFS-179652
DOI:	10.3233/JIFS-179652
Appears in Collections:	[Department of Computer Science ] Periodical Articles

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