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	A Variant of Boyen-Waters Anonymous IBE Scheme
	Luo, Song ; Shen, Qingni ; Jin, Yongming ; Chen, Yu ; Chen, Zhong ; Qing, Sihan
	2011
关键词	Identity-Based Encryption Anonymity Transformation IDENTITY-BASED ENCRYPTION CONSTANT SIZE CIPHERTEXT DUAL SYSTEM ENCRYPTION PUBLIC-KEY ENCRYPTION RANDOM ORACLES CONSISTENCY PROPERTIES HIBE CONSTRUCTIONS EXTENSIONS
英文摘要	An identity-based encryption (IBE) scheme is called anonymous if the ciphertext leaks no information about the recipient's identity. In this paper, we present a novel anonymous identity-based encryption scheme. Our scheme comes from the analysis of Boyen-Waters anonymous IBE Scheme in which we find a method to construct anonymous IBE schemes. We show that Boyen-Waters anonymous IBE scheme can be transformed from BB1-IBE scheme. Our scheme is also transformed from BB1-IBE scheme and can be seemed as a variant of Boyen-Waters anonymous IBE scheme. The security proof shows the transformed scheme has the same semantic security as the original scheme and has anonymous security. We prove anonymity under the Decision Linear assumption.; Computer Science, Information Systems; Computer Science, Theory & Methods; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1007/978-3-642-25243-3_4
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/406092]
专题	软件与微电子学院
推荐引用方式 GB/T 7714	Luo, Song,Shen, Qingni,Jin, Yongming,et al. A Variant of Boyen-Waters Anonymous IBE Scheme. 2011-01-01.

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