Provably Secure Aggregate Signcryption Scheme

被引:8
|
作者
Ren, Xun-Yi [1 ]
Qi, Zheng-Hua [1 ]
Geng, Yang [1 ]
机构
[1] Nanjing Univ Posts & Telecommun, Coll Comp, Dept Informat Secur, Nanjing, 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
Identity-based cryptography; signcryption; aggregate signature; bilinear pairing;
D O I
10.4218/etrij.12.0111.0215
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An aggregate signature scheme is a digital signature scheme that allows aggregation of n distinct signatures by n distinct users on n distinct messages. In this paper, we present an aggregate signcryption scheme (ASC) that is useful for reducing the size of certification chains (by aggregating all signatures in the chain) and for reducing message size in secure routing protocols. The new ASC scheme combines identity-based encryption and the aggregation of signatures in a practical way that can simultaneously satisfy the security requirements for confidentiality and authentication. We formally prove the security of the new scheme in a random oracle model with respect to security properties IND-CCA2, AUTH-CMA2, and EUF-CMA.
引用
收藏
页码:421 / 428
页数:8
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