A Fully Secure Ciphertext-Policy Attribute-Based Encryption With a Tree-Based Access Structure

被引：0

作者：

Rifki, Sadikin ^{[1
,3
]}

Park, YoungHo ^{[2
]}

Moon, SangJae ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Sch Elect Engn & Comp Sci, Taegu 702701, South Korea

[2] Kyungpook Natl Univ, Sch Elect Engn, Taegu 702701, South Korea

[3] Indonesian Inst Sci, Res Ctr Informat, Bandung 40135, Indonesia

来源：

JOURNAL OF INFORMATION SCIENCE AND ENGINEERING | 2015年 / 31卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

ciphertext policy attribute based encryption; access control; pairing based cryptography; public encryption system; secure file distribution; DUAL SYSTEM ENCRYPTION; HIBE;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new fully secure ciphertext-policy attributed based encryption (CP-ABE) scheme with high expressibity access policy is presented. Our CP-ABE scheme uses tree-based access structure which includes AND, OR, threshold and NOT gates which granted high degree of expressibility for encryptor to make an access policy. Moreover, our scheme achieves full security CP-ABE definition where any access structure can be chosen as the challenge ciphertext. The proposed CP-ABE uses composite bilinear groups and dual encryption paradigm to achieve full security CP-ABE definition. We argue that our CP-ABE scheme is secure and feasible.

引用

页码：247 / 265

页数：19

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