Key-Policy Attribute-Based Encryption for Boolean Circuits from Bilinear Maps

被引：6
|
作者：
Tiplea, Ferucio Laurentiu [1 ]
Dragan, Constantin Catalin [2 ]
机构：
[1] Alexandru Ioan Cuza Univ, Dept Comp Sci, Iasi 700506, Romania
[2] CNRS, LORIA, F-54506 Vandoeuvre Les Nancy, France
来源：
CRYPTOGRAPHY AND INFORMATION SECURITY IN THE BALKANS | 2015年 / 9024卷
关键词：
D O I：
10.1007/978-3-319-21356-9_12
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We propose a Key-policy Attribute-based Encryption (KPABE) scheme for (monotone) Boolean circuits based on bilinear maps. The construction is based on secret sharing and just one bilinear map, and it is a proper extension of the KP-ABE scheme in [7] in the sense that it is practically efficient for a class of Boolean circuits which strictly includes all Boolean formulas. Selective security of the proposed scheme in the standard model is proved, and comparisons with the scheme in [5] based on leveled multilinear maps, are provided. Thus, for Boolean circuits representing multilevel access structures, our KP-ABE scheme is more efficient than the one in [5].
引用
收藏
页码：175 / 193
页数：19
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