Threshold proxy re-signature: definition and new constructions

被引：4
|
作者：
Chen, Xi [1 ]
Liu, Yun [1 ]
Harn, Lein [2 ]
Li, Yong [1 ,3 ,4 ]
Yao, Ge [5 ]
机构：
[1] Beijing Jiaotong Univ, Beijing Municipal Commiss Educ, Key Lab Commun & Informat Syst, Beijing, Peoples R China
[2] Univ Missouri, Sch Comp & Engn, Dept Comp Sci & Elect Engn, Kansas City, MO 64110 USA
[3] Guilin Univ Elect Technol, Guangxi Key Lab Cryptog & Informat Secur, Guilin, Peoples R China
[4] Fujian Normal Univ, Fujian Prov Key Lab Network Secur & Cryptol, Fuzhou, Fujian, Peoples R China
[5] Univ Melbourne, Sch Engn, Melbourne, Vic, Australia
来源：
JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS | 2018年 / 41卷 / 02期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
Information security; cryptography; secret sharing; proxy re-signature; SCHEME; SECRET;
D O I：
10.1080/02533839.2018.1437362
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The previous threshold proxy re-signature schemes have been mainly constructed with bilinear maps, the implementations of which are much more time-consuming than exponentiation operations. To solve this problem, we propose efficient threshold proxy re-signature schemes which are constructed with El-Gamal signatures. The performance analysis shows that our schemes are more efficient than the existing threshold proxy re-signature schemes. Based on the discrete logarithm problem, our schemes are provable secure in the random oracle model.
引用
收藏
页码：141 / 148
页数：8
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