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1楼 2014-10-08 15:35:42

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muse

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2楼2014-10-08 15:39:20

已阅关注TA 给TA发消息送TA红花 TA的回帖

muse

捐助贵宾 (知名作家)

LS-EPI: 147
应助: 314 (大学生)
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A Regev-type fully homomorphic encryption scheme using modulus switching.

作者:Chen, Zhigang; Wang, Jian; Chen, Liqun; Song, Xinxia

TheScientificWorldJournal

卷:2014

页:983862

DOI:10.1155/2014/983862

出版年:2014 (Epub 2014 Jun 25)
摘要

A critical challenge in a fully homomorphic encryption (FHE) scheme is to manage noise. Modulus switching technique is currently the most efficient noise management technique. When using the modulus switching technique to design and implement a FHE scheme, how to choose concrete parameters is an important step, but to our best knowledge, this step has drawn very little attention to the existing FHE researches in the literature. The contributions of this paper are twofold. On one hand, we propose a function of the lower bound of dimension value in the switching techniques depending on the LWE specific security levels. On the other hand, as a case study, we modify the Brakerski FHE scheme (in Crypto 2012) by using the modulus switching technique. We recommend concrete parameter values of our proposed scheme and provide security analysis. Our result shows that the modified FHE scheme is more efficient than the original Brakerski scheme in the same security level.

作者信息

地址:College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China ; College of Computer and Information, Zhejiang Wanli University, Ningbo, Zhejiang 315100, China ; Information Security Group, Royal Holloway, University of London, Egham, Surrey TW20 0EX, UK.
文献信息

文献类型:Journal Article; Research Support, Non-U.S. Gov't

语种:English

PubMed ID:25093212

NLM 唯一 ID:101131163

创建日期: 05 Aug 2014

电子出版:25 Jun 2014

国家/地区: United States

ISSN:1537-744X
期刊信息

Impact Factor (影响因子): Journal Citation Reports®

其他信息

分主题子库:Index Medicus

记录所有者:NLM

状态:In-Process

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