Provably Secure Forward Secure Certificateless Proxy Signature Scheme

被引:5
|
作者
Li, Jiguo [1 ]
Li, Yanqiong [1 ]
Zhang, Yichen [1 ]
机构
[1] Hohai Univ, Coll Comp & Informat Engn, Nanjing 210098, Jiangsu, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
forward secure; certificateless proxy signature; computational Diffie-Hellman problem; random oracle model; CRYPTANALYSIS;
D O I
10.3837/tiis.2013.08.013
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In order to deal with key exposure problem, we introduce forward secure technique into certificateless proxy signature scheme, and propose the formal definition and security model of the forward secure certificateless proxy signature. Our security model takes into account the super adversary in certificateless signature. Furthermore, we present a construction of forward secure certificateless proxy signature scheme with bilinear maps. Based on the difficulty of computational Diffie-Hellman problem, we prove the scheme is secure against chosen message attack in the random oracle model. Finally, we analyze efficiency of the proposed scheme.
引用
收藏
页码:1972 / 1988
页数:17
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