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chzg99: 金币+5, ★★★★★最佳答案 2015-05-20 20:54:45
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20151400720563
          Title:         A fully homomorphic encryption scheme based on binary-LWE and analysis of security parameters
          Authors:         Chen, Zhigang1 Email author zhigang.chen@foxmail.com; Song, Xinxia2; Zhang, Yanhong1
          Author affiliation:         1 College of Computer and Info., Zhejiang Wanli Univ., Ningbo, China
                  2 College of Junior, Zhejiang Wanli Univ., Ningbo, China
          Corresponding author:         Chen, Zhigang
          Source title:         Sichuan Daxue Xuebao (Gongcheng Kexue Ban)/Journal of Sichuan University (Engineering Science Edition)
          Abbreviated source title:         Sichuan Daxue Xuebao (Gongcheng Kexue Ban)
          Volume:         47
          Issue:         2
          Issue date:         March 20, 2015
          Publication year:         2015
          Pages:         75-81
          Language:         Chinese
          ISSN:         10093087
          CODEN:         SXGKFI
          Document type:         Journal article (JA)
          Publisher:         Editorial Department of Journal of Sichuan University
          Abstract:         To optimize noise management in fully homomorphic encryption scheme, a fully homomorphic encryption scheme with better parameters size was proposed. The security parameters of the scheme were estimated. Given security level, the maximal value of modulus q was got. Then the concert security parameters of the scheme were obtained by the condition of correct decryption among noise growth, circuit depth L and modulus q. The security parameters of Bra12 scheme also was obtained by the same way. The data showed that this scheme has better parameters size. The ciphertext from homomorphic multiplication is smaller by a factor about lb2 q than in Bra12 scheme and the corresponding tensored key is smaller by a factor about lb3 q than in Bra12 scheme. The matrix of key switching is smaller by a factor about lb2 q than in Bra12 scheme. The optimization for noise management is general, which can be used in the fully homomorphic encryption schemes based on LWE in which the noise growth depends on the secret key. ©, 2015, Editorial Department of Journal of Sichuan University. All right reserved.
          Number of references:         23
          Main heading:         Cryptography
          Controlled terms:         Mobile security
          Uncontrolled terms:         Binary-LWE  -  Ciphertexts  -  Fully homomorphic encryption  -  Fully homomorphic encryption schemes  -  Maximal values  -  Noise management  -  Security level  -  Security parameters
          Classification code:         716 Telecommunication; Radar, Radio and Television -  717 Optical Communication -  718 Telephone Systems and Related Technologies; Line Communications -  723 Computer Software, Data Handling and Applications
          DOI:         10.15961/j.jsuese.2015.02.011
          Database:         Compendex
                  Compilation and indexing terms, © 2015 Elsevier Inc.
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