Indentity-based broadcast signcryption

被引：46
作者：
Li, Fagen [1 ]
Xin, Xiangjun [2 ]
Hue, Yupu [3 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Engn & Comp Sci, Chengdu 610054, Peoples R China
[2] Zhengzhou Univ Light Ind, Dept Informat & Comp Sci, Zhengzhou 450002, Henan, Peoples R China
[3] Xidian Univ, Minist Educ, Key Lab Comp Networks & Informat Secur, Xian 710071, Peoples R China
来源：
COMPUTER STANDARDS & INTERFACES | 2008年 / 30卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
network security; identity-based cryptography; broadcast encryption; signcryption; broadcast signcryption;
D O I：
10.1016/j.csi.2007.08.005
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Broadcast encryption schemes allow a center to deliver encrypted data to a large set of users so that only a particular subset of privileged users can decrypt it. Most of previous works about broadcast encryption only provide confidentiality of the message. However, when a broadcast system is composed of multiple broadcasters, it raises an issue of authentication and non-repudiation of the message or broadcaster. This issue is especially important for multicasting in computer networks. In this paper, a new concept called broadcast sigrncryption by combining the concepts of broadcast encryption and sigrncryption together is proposed to resolve the authentication and non-repudiation problem in a broadcast system. We also propose an identity-based broadcast signcryption scheme using Chen and Malone-Lee's identity-based signcryption scheme. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：89 / 94
页数：6
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