An ID-based proxy signature scheme secure against proxy key exposure

被引：0
|
作者：
Wen F. [1 ]
Cui S. [1 ]
Cui J. [2 ]
机构：
[1] School of mathematics, University of Jinan, Jinan
[2] Shandong Women's University, Jinan
来源：
International Journal of Advancements in Computing Technology | 2011年 / 3卷 / 05期
关键词：
ID-based proxy signature; Provable security; Proxy key exposure;
D O I：
10.4156/ijact.vol3.issue5.12
中图分类号：
学科分类号：
摘要：
Proxy Signature is very important technologies in secure e-commerce. In this paper, we study the security of three ID-based Proxy Signature Scheme Against Proxy Key Exposure. We point out that those schemes are vulnerable to proxy key exposure attack. Then we propose a new scheme to overcome this defect and analyze its security and efficiency. We claim that our new scheme is more efficiency and can be proved secure against proxy key exposure in the random oracle model. In particular, our scheme doesn't need secure information channel.
引用
收藏
页码：108 / 116
页数：8
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