Certificateless Signature Scheme without Random Oracles

被引：0
|
作者：
Yuan, Yumin [1 ]
Li, Da [1 ]
Tian, Liwen [1 ]
Zhu, Haishan [1 ]
机构：
[1] Xiamen Univ Technol, Dept Math & Phys, Xiamen, Peoples R China
来源：
ADVANCES IN INFORMATION SECURITY AND ASSURANCE | 2009年 / 5576卷
关键词：
Certificateless signatures; Random oracle; Malicious KGC attack; GENERIC CONSTRUCTION; ENCRYPTION; SECURITY; MODEL;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The only known construction of certificateless signature schemes that can be proven secure against a malicious Key Generation Center (KGC) requires the random oracle model to prove the security. In this paper, we present a certificateless; signa ure scheme which is secure against malicious-but-passive KGC attack without random oracle. The security of our scheme based on our proposed complexity assumptions we call the Augmented Computational Diffie-Hellman (ACDH) assumption and 2-Many Diffie-Hellman (2-Many-DH) assumption. At the same time, we discuss the relationship between the new assumptions and some related problems.
引用
收藏
页码：31 / 40
页数：10
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