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多域环境下基于代理重加密的电子文档分发协议 被引量：4

A Distribution Protocol Based on Proxy Re-Encryption in Domain Environment of E-Document Management
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摘要 针对多域环境下电子文档安全管理,提出一种基于代理重加密机制的电子文档分发协议.该协议中引入代理服务器,由文档拥有者将数据加密后发送给半可信服务端,服务端对数据密文进行安全存储,同时对数据密文重加密后发送给用户.该方案避免了服务端对数据密文解密后进行二次加密,降低了服务端对电子文档管理的复杂度,同时采用密文方式存储,以防止服务器被恶意攻击后敏感数据泄露.与其他协议对比结果表明,新方案显著降低了代理重加密算法的计算复杂度,同时提高了加解密效率,保持了敏感数据机密性. In view of the domain environment in E-documents management,an interoperable cross-domain distribution protocol for E-document is proposed.Based on proxy re-encryption,the scheme uses a semi-trusted entity called proxy server to re-encrypt the document ciphertext without decrypting the ciphertext,such that only users can decrypt the data with his private key.Compared with the existing system,the scheme relieves the server from intense encryption/decryption processing,and achieves reliable decentralized encryption/decryption with good scalability and efficiency.
作者 闫玺玺 马兆丰 杨义先 钮心忻
机构地区 北京邮电大学信息安全中心 北京国泰信安科技有限公司 河南理工大学计算机科学与技术学院
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2012年第5期81-84,共4页 Journal of Beijing University of Posts and Telecommunications
基金 国家重点基础研究发展计划项目(2007CB311203) 国家自然科学基金项目(60803157 90812001)
关键词 代理重加密 域分发 电子文档 re-encryption multi-domain E-documents distribution
分类号 TN929.53 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

  • 1Matt B, Gerrit B, Martin S. Divertible protocols and a-tomic proxy cryptography [ C ] //Advances in Cryptology-EUROCRYPT1998 , International Conference on the The-ory and Application of Cryptographic Techniques. Es-poo: LNCS1403, 1998: 127-144.
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二级参考文献22

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共引文献11

同被引文献28

  • 1张兴,张晓菲.可信计算:我们研究什么[J].计算机安全,2006(6):5-7. 被引量：2
  • 2Adi Shamir.How to share a secret[J].Communications of the ACM.1979(11)
  • 3Sahai A,Waters B.Fuzzy identity-based encryption. Advances in Cryptology-EUROCRYPT 2005 . 2005
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  • 5YU S C,WANG C,REN K.Attribute based data sharing with attribute revocation. Proc of the ASIAN ACM Conf on Computer and Communications Security (ASIACCS 2010) . 2010
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  • 7Gelareh Taban,Alvaro A C′ardenas,Virgil D.Gligor.Towards a Secure and Interoperable DRM Architecture. DRM’’’’’’’’06 . 2006
  • 8Matthew Pirretti,Patrick Traynor,Patrick McDaniel,Brent Waters.??Secure attribute-based systems(J)Journal of Computer Security . 2010 (5)
  • 9Qin Liu,Guojun Wang,Jie Wu.??Time-based proxy re-encryption scheme for secure data sharing in a cloud environment(J)Information Sciences . 2012
  • 10李亚楠,刘连忠,贾燚星.数据交换研究[J].计算机技术与发展,2008,18(2):5-8. 被引量：12

引证文献4

二级引证文献12

北京邮电大学学报
2012年 第5期

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