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  5. A Provably Secure Threshold Decryption Scheme on Access Structure

A Provably Secure Threshold Decryption Scheme on Access Structure

来源 :2014年国际计算机科学与软件工程学术会议 | 被引量 : 0次 | 上传用户：badboyker
【摘 要】
：
For the applied limitation of the existing provably secure threshold decryption schemes on (t,n) structure,a provably secure threshold decryption scheme on access structure is proposed.The validity of
【作 者】
：
Hua-Wang QIN Xiao-Hua ZHU Yue-Wei DAI 
【机 构】
：
School of Automatization,Nanjing University of Science and Technology,Nanjing 210094,China
【出 处】
：
2014年国际计算机科学与软件工程学术会议
【发表日期】
：
2014年12期
【关键词】
：
Threshold decryption Access structure Provably secure Standard model Identity 
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论文部分内容阅读
　　For the applied limitation of the existing provably secure threshold decryption schemes on (t,n) structure,a provably secure threshold decryption scheme on access structure is proposed.The validity of the proposed scheme is proved perfectly,and the formal security proof under the selective identity chosen-ciphertext attack is given in the standard model.Compared to the existing schemes,the applied range of the proposed scheme is wider.Besides,the design of the proposed scheme is easier because the troublesome Lagrange interpolation is not needed.
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