基于群签名的属性加密方案

doi:10.11959/j.issn.2096-109x.2019002

网络与信息安全学报 ›› 2019, Vol. 5 ›› Issue (1): 15-21.doi: 10.11959/j.issn.2096-109x.2019002

• 专栏：密码攻防技术研究及应用探索 • 上一篇下一篇

基于群签名的属性加密方案

张兴兰,崔遥()

北京工业大学信息学部，北京 100124

修回日期:2018-12-28 出版日期:2019-02-01 发布日期:2019-04-10
作者简介:张兴兰（1970-），女，山西吕梁人，博士，北京工业大学教授，主要研究方向为经典密码学。|崔遥（1993-），男，山西霍州人，北京工业大学硕士生，主要研究方向为属性加密。

Attribute-based encryption schema with group signatures

Xinglan ZHANG,Yao CUI()

Department of Information,Beijing University of Technology,Beijing 100124,China

Revised:2018-12-28 Online:2019-02-01 Published:2019-04-10

摘要/Abstract

摘要：

基于密文的属性加密机制（CP-ABE）在针对敏感数据的机密性保护中有广泛应用。在CP-ABE中，用户访问密文时，访问策略与密文同时发送给用户用于解密，而访问策略同样包含隐私信息，导致隐私信息被泄露。在传统的CP-ABE方案中引入群签名，实现对访问策略中属性的隐藏，防止了策略中的隐私泄露，并满足在选择明文攻击下的不可区分性。

关键词: 属性加密, 群签名, 访问策略, 隐私泄露

Abstract:

Cipher text-policy attribute-based encryption schema(CP-ABE) is widely used in protection of sensitive data.In CP-ABE,When the users access the cipher text,the access structure and the cipher text were sent to the users.However,the access structure is also has private information which can lead to leak of the privacy.The group signatures were used in CP-ABE to realize protection of the privacy.What’s more,it can satisfy indistinguishable under the choice of plaintext attack.

Key words: attribute-based encryption, group signatures, access structure, leak of the privacy

中图分类号:

TP309

张兴兰,崔遥. 基于群签名的属性加密方案[J]. 网络与信息安全学报, 2019, 5(1): 15-21.

Xinglan ZHANG,Yao CUI. Attribute-based encryption schema with group signatures[J]. Chinese Journal of Network and Information Security, 2019, 5(1): 15-21.

图/表 3

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基于群签名的属性加密方案

Attribute-based encryption schema with group signatures

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