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基于密文策略多机构属性基加密方案 被引量：3

Multi-Authority Ciphertext-Policy Attribute-Based Encryption Scheme
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摘要 Chase提出multi-authority attribute based encryption方案的安全性完全受限于Center Authority(CA)的可信性,为解除该限制,本文提出基于密文策略多机构属性基加密方案,通过结合密文策略思想去除了CA.通过引入树形访问策略及Shamir秘钥安全共享技术,实现了共享信息细粒度灵活访问控制并支持系统属性的有效撤销.安全性分析表明了本方案在标准模型下是适应性选择明文安全(CPA)的. Multi-authority Attribute Based Encryption by Chase,which Limited by Center Authority＇s credibility.In order to remove the limitation,this paper propose Multi-authority Ciphertext-Policy Attribute-based Encryption Scheme,it can effectively remove the Center Authority（Center Authority,CA）with combining ciphertext-policy thoughts.In addition,it can achieve fine grained access control of shared information by adopting tree access strategy and secret sharing scheme,and supports system attribute revocation scheme.Finally,the security analysis shows that the scheme is secure against chosen plaintext attack under the Decision Bilinear Diffie-Hellman（DBDH）assumption in the standard model.
作者 陶启 黄晓芳
机构地区 西南科技大学计算机科学技术学院
出处 《武汉大学学报（理学版）》 CAS CSCD 北大核心 2015年第6期545-548,共4页 Journal of Wuhan University:Natural Science Edition
基金 国家自然科学基金资助项目(61303230) 四川省科技支撑计划资助项目(11ZS2010)
关键词 密文策略 多机构属性基加密 细粒度控制 存储安全 ciphertext-policy multi-authority attribute-based encryption fine grained access control secure sharing
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献13

  • 1Sahai A, Waters B. Fuzzy identity-based encryption[C]I I Proceedings of Advances in Cr v ptolog y-Ei.Ilct'): CRYPT. Berlin, Heidelberg: Springer-Verlag, 2005: 457-473.
  • 2苏金树,曹丹,王小峰,孙一品,胡乔林.属性基加密机制[J].软件学报,2011,22(6):1299-1315. 被引量：98
  • 3Goyal V, Pandey 0, Sahai A, et al. Attribute-Based encryption for fine-grained access control of encrypted data[C]I I Proceedings of the 13th ACM Conference on Computer and Communications Security. New York: ACM Press, 2006: 89-98.
  • 4BethencourtJ, Sahai A, Waters B. Ciphertext-Policy attribute-based encryption[C]I I Proceedings of the 2007 IEEE Symposium on Security and Privacy. Washington: IEEE Computer Society, 2007: 321-334.
  • 5Ostrovsky R,Sahai A, Waters B. Attribute-based encryption with non-monotonic access structures[DB/OL]. [2015-01-21]. https:lleprint. iacr, org/2007/323. pdf.
  • 6Waters B. Ciphertext-Policy attribute-based encryption: An expressive, efficient, and provably secure realization[C]IIProceedings of the 14th International Conference on Practie and Theory in Public Key Cryptography. Berlin: Springer, 2011: 53-70.
  • 7Pirretti M, Trayno P, McDaniel P, et al. Secure attribute-based systems[C]/ / Proceedings of the 13th ACM conference on Computer and Communications Security. New York: ACM, 2006: 99-112.
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二级参考文献93

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共引文献127

同被引文献5

引证文献3

二级引证文献11

武汉大学学报（理学版）
2015年 第6期

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