A Hierarchical Attribute-Based Encryption Scheme

被引：3
|
作者：
ZOU Xiubin [1 ]
机构：
[1] College of Computer and Mathematics,Jianghan University
来源：
Wuhan University Journal of Natural Sciences | 2013年 / 18卷 / 03期
基金：
中国国家自然科学基金;
关键词：
attribute-based encryption; hierarchical attributebased encryption; identity-based encryption(IBE); bilinear map;
D O I：
暂无
中图分类号：
TP309.7 [加密与解密];
学科分类号：
081201 ; 0839 ; 1402 ;
摘要：
According to the relation of an attribute set and its subset,the author presents a hierarchical attribute-based encryption scheme in which a secret key is associated with an attribute set.A user can delegate the private key corresponding to any subset of an attribute set while he has the private key corresponding to the attribute set.Moreover,the size of the ciphertext is constant,but the size of private key is linear with the order of the attribute set in the hierarchical attribute-based encryption scheme.Lastly,we can also prove that this encryption scheme meets the security of IND-sSETCPA in the standard model.
引用
收藏
页码：259 / 264
页数：6
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