Multi-authority attribute-based encryption scheme with policy dynamic updating

Xi-xi YAN; Yuan LIU; Zi-chen LI; Yong-li TANG

doi:10.11959/j.issn.1000-436x.2017201

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Multi-authority attribute-based encryption scheme with policy dynamic updating

Papers | 更新时间：2024-06-05

- Multi-authority attribute-based encryption scheme with policy dynamic updating
- Journal on Communications Vol. 38, Issue 10, Pages: 94-101(2017)
- 作者机构：
  
  1. 河南理工大学计算机科学与技术学院，河南焦作 454003
  2. 北京印刷学院信息工程学院，北京 102600
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61300216);The Science and Technology Project of Henan Province(132102210123);Foundation of Henan Educational Committee(16A520013);The Research Fund for Young Backbone Teachers of Henan Polytechnic University in 2015
- DOI：10.11959/j.issn.1000-436x.2017201
  CLC： TP309
- Online First：2017-10，
  
  Published：25 October 2017
- 稿件说明：
移动端阅览
Xi-xi YAN, Yuan LIU, Zi-chen LI, et al. Multi-authority attribute-based encryption scheme with policy dynamic updating[J]. Journal on Communications, 2017, 38(10): 94-101.
DOI：

Xi-xi YAN, Yuan LIU, Zi-chen LI, et al. Multi-authority attribute-based encryption scheme with policy dynamic updating[J]. Journal on Communications, 2017, 38(10): 94-101. DOI： 10.11959/j.issn.1000-436x.2017201.

摘要

属性基加密方案被认为是云存储环境下数据资源访问控制的最佳选择，但是策略更新很大程度上限制了其在实际中的应用。针对此问题，提出一种支持策略动态更新的多机构属性基加密方案。该方案引入匿名密钥分发协议为用户生成私钥，有效地保护用户的隐私，并抵抗属性机构的共谋攻击。另外，方案采用动态策略更新算法，支持任何类型的策略更新，大大减少传统策略更新中的计算和通信开销。经安全性分析证明，方案在标准模型下满足自适应选择明文攻击安全。通过对比，用户私钥和密文长度都有所减少，密文更新交给云服务器完成，降低了数据拥有者的工作量，更加贴近实际应用。

Abstract

Attribute-based encryption (ABE) is a new cryptographic technique which guarantees fine-grained access control of outsourced encrypted data in the cloud environment.However

a key limitation remains

namely policy updating.Thus

a multi-authority attribute-based encryption scheme with policy dynamic updating was proposed.In the scheme

an anonymous key issuing protocol was introduced to protect users’ privacy and resist collusion attack of attribute authority.The scheme with dynamic policy updating technique was secure against chosen plaintext attack under the standard model and can support any types of policy updating.Compared to the existing related schemes

the size of ciphertext and users’ secret key is reduced and can significantly reduce the computation and communication costs of updating ciphertext.It is more effective in the practical application.

关键词

Keywords

references

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吴光强 . 适合云存储的访问策略可更新多中心CP-ABE方案 [J ] . 计算机研究与发展 , 2016 , 53 ( 10 ): 2393 - 2399 .

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应作斌 , 马建峰 , 崔江涛 , 等 . 支持位置验证和策略变更的属性加密方案 [J ] . 西安电子科技大学学报(自然科学版) , 2017 , 44 ( 2 ): 57 - 62 .

YING Z B , MA J F , CUI J T , et al . Attribute-based encryption with location verification and policy adjusting supporting the cloud mobile office [J ] . Journal of Xidian University (Nature Science Edition) , 2017 , 44 ( 2 ): 57 - 62 .

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