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chzg99: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-11-13 21:05:58
jssxh: LS-EPI+1, лл²ÎÓ룬Çë¼ÌÐø¹Ø×¢±¾°æ¿é 2014-11-14 09:52:56
A Regev-Type Fully Homomorphic Encryption Scheme Using Modulus Switching

×÷Õß:Chen, ZG (Chen, Zhigang)[ 1,2,3 ] ; Wang, J (Wang, Jian)[ 1 ] ; Chen, LQ (Chen, Liqun)[ 4 ] ; Song, XX (Song, Xinxia)[ 5 ]

SCIENTIFIC WORLD JOURNAL

ÎÄÏ׺Å: 983862

DOI: 10.1155/2014/983862

³ö°æÄê: 2014

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A critical challenge in a fully homomorphic encryption (FHE) scheme is tomanage 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.
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ͨѶ×÷ÕßµØÖ·: Chen, ZG (ͨѶ×÷Õß)
[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         Nanjing Univ Aeronaut & Astronaut, Coll Comp Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China.

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[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         [ 1 ] Nanjing Univ Aeronaut & Astronaut, Coll Comp Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China
              [ 2 ] ZhejiangWanli Univ, Coll Comp & Informat, Ningbo 315100, Zhejiang, Peoples R China
[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         [ 3 ] Univ London, Informat Secur Grp, Egham TW20 0EX, Surrey, England
              [ 4 ] HP Labs, Bristol BS34 8QZ, Avon, England
              [ 5 ] ZhejiangWanli Univ, Jr Coll, Ningbo 315101, Zhejiang, Peoples R China

µç×ÓÓʼþµØÖ·:chzg99@gmail.com
»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
Fund of Jiangsu Innovation Program for Graduate Education        
CXLX12_0162
Fundamental Research Funds for the Central Universities, Ningbo Natural Science Foundation        
2012A610067
Chinese National Scholarship Fund        
2012B82003
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HINDAWI PUBLISHING CORPORATION, 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA
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Ñо¿·½Ïò:Science & Technology - Other Topics

Web of Science Àà±ð:Multidisciplinary Sciences
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ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000343502200001

ISSN: 1537-744X
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    Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®

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IDS ºÅ: AR3QE

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4Â¥2014-11-13 20:58:46
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