Efficient hierarchical ID-based encryption scheme

Computer Engineering and Applications ›› 2012, Vol. 48 ›› Issue (24): 101-105.

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Efficient hierarchical ID-based encryption scheme

ZHANG Xi, YANG Ling

College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China

Online:2012-08-21 Published:2012-08-21

一个高效的基于身份的分层加密方案

张席，杨玲

深圳大学计算机与软件学院，广东深圳 518060

Abstract

Abstract: This paper proposes an efficient hierarchical id-based encryption scheme with bilinear pairing, which is based on Gentry scheme. This scheme meets IND-ID-CCA2 security in the random oracle model. This scheme reduces the ciphertext length, and only computes bilinear pairing once in the decryption, which increases the efficiency of encryption and decryption, compared with Gentry scheme.

Key words: identity-based, hierarchical encryption, random oracle, security model

摘要： 基于Gentry方案，利用双线性配对，提出了一个高效的基于身份的分层加密方案，在随机预言机模型下证明满足IND-ID-CCA2安全，通过分析，该方案较Gentry方案缩短了密文长度，解密仅需要进行一次双线性配对，大大提高了加密和解密的效率。

关键词: 基于身份, 分层加密, 随机预言机, 安全模型

ZHANG Xi, YANG Ling. Efficient hierarchical ID-based encryption scheme[J]. Computer Engineering and Applications, 2012, 48(24): 101-105.

张席，杨玲. 一个高效的基于身份的分层加密方案[J]. 计算机工程与应用, 2012, 48(24): 101-105.

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Efficient hierarchical ID-based encryption scheme

一个高效的基于身份的分层加密方案

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