| 对G-Paillier加密体制的改进与分析 |
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| 引用本文： | 姜正涛,柳毅,王育民. 对G-Paillier加密体制的改进与分析[J]. 电子科技大学学报(自然科学版), 2006, 35(4): 528-530,566 |
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| 作者姓名： | 姜正涛 柳毅 王育民 |
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| 作者单位： | 北京航空航天大学计算机学院,北京,海淀区,100083;西安电子科技大学综合业务网国家重点实验室,西安,710071 |
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| 摘 要： | 通过适当地选择参数改进了推广的Paillier (G-Paillier)加密体制,减少运算量,提高了加密体制的效率;证明了改进后加密体制的安全性(单向性、语意安全性)与G-Paillier加密体制的安全性是等价的。
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| 关 键 词： | 概率加密体制 安全性分析 n次剩余问题 单向性 |
| 收稿时间： | 2003-12-02 |
| 修稿时间： | 2003-12-02 |
Improvements and Analysis of G-Paillier Encryption Scheme |
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| JIANG Zheng-tao,LIU Yi,WANG Yu-min. Improvements and Analysis of G-Paillier Encryption Scheme[J]. Journal of University of Electronic Science and Technology of China, 2006, 35(4): 528-530,566 |
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| Authors: | JIANG Zheng-tao LIU Yi WANG Yu-min |
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| Affiliation: | 1.School of Computer Science,Beijing University of Aeronautics and Astronautic Beijing 100083;2.National Key Lab. of Integrated Service Networks,Xidian Univ. Xi'an 710071 |
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| Abstract: | The efficiency of the generalized Paillier (G-Paillier) encryption scheme is improved by choosing proper parameters. The efficiency of the improved G-Paillier scheme and the original G-Paillier scheme is compared. The security (one-wayness security, semantic security) equivalence of the improved encryption scheme and the G-Paillier encryption scheme is verified. |
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| Keywords: | probabilistic encryption scheme security analysis nth residuosity one-wayness |
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