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一个高效的选择密文安全的分类代理重加密方案 被引量：9

CCA-Secure Type-Based Proxy Re-Encryption Without Pairings
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摘要 分类代理重加密通过密码学手段为密文委托与分发提供了高效便捷的解决方案,同时使密文拥有者有能力实施更细粒度的委托控制.本文提出了一种新的分类代理重加密方案,方案在随机预言模型下可证明选择密文安全,相对于现有采用双线性对构造的分类代理重加密方案,我们的无双线性对方案拥有更好的效率,并具备主密钥安全性. Type-based proxy re-encryption is an effective and efficient cryptographic solution to ciphertext delegation and distribution, which also enables the ciphertext owners to carry out fine-grained delegation control. In this paper, we propose a new type-based proxy re-encryption scheme without pairings and prove it against the chosen-ciphertext attack （CCA） in the random ora- cle model. Compared with the existing type-based proxy re-encryption schemes constructed with pairings, our scheme owns better ef- ficiency as well as the master key security.
作者 赵菁 冯登国 杨林 马琳茹
机构地区 中国电子系统设备工程公司研究所 信息安全国家重点实验室
出处 《电子学报》 EI CAS CSCD 北大核心 2011年第11期2513-2519,共7页 Acta Electronica Sinica
基金 国家自然科学基金(No.60803129) 信息网络安全公安部重点实验室(公安部第三研究所)开放基金(No.C11604) 下一代互联网业务试商用及设备产业化专项(No.CNGI-09-03-03)
关键词 代理重加密 分类代理重加密 选择密文安全 proxy re-encrypfion type-based proxy re-encryption CCA security
分类号 TP309 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献19

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共引文献44

同被引文献53

  • 1翁健,陈泯融,杨艳江,邓慧杰,陈克非,鲍丰.无需随机预言机的自适应攻陷模型下选择密文安全的单向代理重加密方案[J].中国科学：信息科学,2010,40(2):298-312. 被引量：8
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引证文献9

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电子学报
2011年 第11期

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