基于访问树的策略隐藏属性加密方案

宋衍; 韩臻; 刘凤梅; 刘磊

doi:10.11959/j.issn.1000-436x.2015135

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基于访问树的策略隐藏属性加密方案

学术论文 | 更新时间：2024-06-05

- 基于访问树的策略隐藏属性加密方案
- Attribute-based encryption with hidden policies in the access tree
- 通信学报 2015年36卷第9期页码：119-126
- 作者机构：
  
  1. 北京交通大学计算机与信息技术学院，北京100044
  2. 信息保障技术重点实验室，北京100072
- 作者简介：
  
  [ "宋衍（1982-），男，湖北老河口人，北京交通大学博士生，信息保障技术重点实验室工程师，主要研究方向为网络安全、数据库等。" ]
  [ "韩臻（1962-），男，浙江宁波人，北京交通大学教授、博士生导师，主要研究方向为信息安全体系结构、可信计算等。" ]
  [ "刘凤梅（1974-），女，河南郸城人，博士，信息保障技术重点实验室副研究员，主要研究方向为密码理论与应用。" ]
  [ "刘磊（1979-），男，陕西户县人，信息保障技术重点实验室工程师，主要研究方向为信息安全、操作系统等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(60973112);北京市教育委员会学科建设与研究生培养基金资助项目(BMKY2011B06);信息保障技术重点实验室开放基金资助项目(KJ-13-02)
- DOI：10.11959/j.issn.1000-436x.2015135
  中图分类号： TP309.7
- 网络出版日期：2015-09，
  
  纸质出版日期：2015-09-25
- 稿件说明：
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宋衍, 韩臻, 刘凤梅, 等. 基于访问树的策略隐藏属性加密方案[J]. 通信学报, 2015,36(9):119-126.

Yan SONG, Zhen HAN, Feng-mei LIU, et al. Attribute-based encryption with hidden policies in the access tree[J]. Journal on communications, 2015, 36(9): 119-126.
宋衍, 韩臻, 刘凤梅, 等. 基于访问树的策略隐藏属性加密方案[J]. 通信学报, 2015,36(9):119-126. DOI： 10.11959/j.issn.1000-436x.2015135.

Yan SONG, Zhen HAN, Feng-mei LIU, et al. Attribute-based encryption with hidden policies in the access tree[J]. Journal on communications, 2015, 36(9): 119-126. DOI： 10.11959/j.issn.1000-436x.2015135.

摘要

已有的策略隐藏属性加密（ABE

attribute-based encryption）方案只支持受限的访问结构，策略表达能力弱，基于此提出一种新的访问树结构，使属性隐藏和秘密共享能够应用到“与”门、“或”门和“门限”门中。并且，利用合数阶双线性群构造了一种基于访问树的策略隐藏方案，并通过双系统加密的概念证明了方案的安全性。分析和实验验证表明，方案在实现复杂访问结构的策略隐藏的同时，并没有过多地增加计算开销，在实际应用过程中更加灵活和有效。

Abstract

The existing policies-hidden attribute-based encryption (ABE) schemes could only support a limited access structure

which resulted in weak expressiveness.A new structure of access tree was thus proposed to integrate attribute hiding and secret sharing into “and” gate

“or” gate and “threshold” gate.Then

a tree-based policies-hidden scheme was constructed by using composite order bilinear groups.Under dual system encryption

the scheme was proved to be secure.Furthermore

the analysis and experiment demonstrate that the scheme realize policies-hidden in the complex ac-cess structure without increasing the overhead of computation.As a result

it is more feasible and flexible for applica-tions.

关键词

Keywords

references

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