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题名:
an efficient dynamic authenticated key exchange protocol with selectable identities
作者: Guo Hua ; Li Zhoujun ; Mu Yi ; Zhang Fan ; Wu Chuankun ; Teng Jikai
关键词: Cryptography ; Security systems
刊名: Computers and Mathematics with Applications
发表日期: 2011
卷: 61, 期:9, 页:2518-2527
收录类别: EI
部门归属: (1) State Key Laboratory of Software Development Environment, Beihang University, Beijing, China; (2) School of Computer Science and Engineering, Beihang University, Beijing, China; (3) Beijing Key Laboratory of Network Technology, BeiHang University, Beijing, China; (4) School of Computer Science Software Engineering, University of Wollongong, NSW, Australia; (5) State Key Lab of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, China
英文摘要: In the traditional identity-based cryptography, when a user holds multiple identities as its public keys, it has to manage an equal number of private keys. The recent advances of identity-based cryptography allow a single private key to map multiple public keys (identities) that are selectable by the user. This approach simplifies the private key management. Unfortunately, the existing schemes have a heavy computation overhead, since the private key generator has to authenticate all identities in order to generate a resultant private key. In particular, it has been considered as a drawback that the data size for a user is proportional to the number of associated identities. Moreover, these schemes do not allow dynamic changes of user identities. When a user upgrades its identities, the private key generator (PKG) has to authenticate the identities and generate a new private key. To overcome these problems, in this paper we present an efficient dynamic identity-based key exchange protocol with selectable identities, and prove its security under the bilinear DiffieHellman assumption in the random oracle model. © 2011 Elsevier Ltd. All rights reserved.
WOS记录号: WOS:000291069600017
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内容类型: 期刊论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14075
Appears in Collections:信息安全国家重点实验室_期刊论文

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Recommended Citation:
Guo Hua,Li Zhoujun,Mu Yi,et al. an efficient dynamic authenticated key exchange protocol with selectable identities[J]. Computers and Mathematics with Applications,2011-01-01,61(9):2518-2527.
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