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一个高效的基于身份的分层加密方案 被引量：6

Efficient hierarchical ID-based encryption scheme
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摘要 基于Gentry方案,利用双线性配对,提出了一个高效的基于身份的分层加密方案,在随机预言机模型下证明满足IND-ID-CCA2安全,通过分析,该方案较Gentry方案缩短了密文长度,解密仅需要进行一次双线性配对,大大提高了加密和解密的效率。 This paper proposes an efficient hierarchical id-based encryption scheme with bilinear pairing,which is based on Gentry scheme.This scheme meets IND-ID-CCA2 security in the random oracle model.This scheme reduces the ciphertext length,and only computes bilinear pairing once in the decryption,which increases the efficiency of encryption and decryption,compared with Gentry scheme.
作者 张席 杨玲
机构地区 深圳大学计算机与软件学院
出处 《计算机工程与应用》 CSCD 2012年第24期101-105,共5页 Computer Engineering and Applications
关键词 基于身份 分层加密 随机预言机 安全模型 identity-based hierarchical encryption random oracle security model
分类号 TP309.7 [自动化与计算机技术—计算机系统结构] TN918 [电子电信—通信与信息系统]
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参考文献13

  • 1Shamir A.Identity-based cryptosystems and signature sehemes[C]//Proceedings of Cryptology-Crypt, 1984 : 47-53.
  • 2Horwitz J, Lynn B.Towards hierarchical identity-based en- cryption[C]//Advance of Cryptology-Eurocrypt, 2002 : 466-481.
  • 3Gentry C, Silverberg A.Hierarchical id-based encryption without random oracles[C]//Cryptography-ASIACRYPT, 2002 : 548-566.
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二级参考文献24

  • 1Zheng Y.Digital Signcryption or How to Achieve Cost (Signature & Encryption) 《 《 Cost (signature) + Cost (encryption)[M] //LNCS:CRYPTO'97.Berlin:Springer-Verlag Press,1997:105-179.
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  • 5Boneh D,Franklin M K.Identity-based Eneryption from the Weil Pairing[M] //LNCS:CRYPT'O1.Berlin:Springer-Verlag Press,2001:213-229.
  • 6Malone-Lee J,Mao W.Two Birds One Stone:Signcryption Using RSA.[M] //LNCS:CT-RSA'03.Berlin:SpringerVerlag Press,2003:211-225.
  • 7Barreto P,Libert B,McCullagh N,et al.Efficient and Provably-secure Identitybased Signatures and Signeryption from Bilinear Maps[M] //LNCS:ASIACRYPT'05.Berlin:Springer-Verlag Press,2005:515-532.
  • 8Boyen X.Multipurpose Identity-based Signcryption (a Swiss Army Knife for Identitybased Cryptography)[M] //LNCS:CRYPT'03.Berlin:Springer-Verlag Press,2003:383-399.
  • 9Chen L,Malone-Lee J.Improved Identity-based Signeryption[M] //LNCS:PKC'05.Berlin:Springer-Verlag Press,2005:362-379.
  • 10Practicalidentity-basedthreshold decryption scheme without random oracle[J].Journal of Shenzhen University Science and Engineering,2010,27(3):340-346.

共引文献9

同被引文献52

引证文献6

二级引证文献16

计算机工程与应用
2012年 第24期

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