Attribute-based encryption schema with group signatures

Xinglan ZHANG; Yao CUI

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

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Attribute-based encryption schema with group signatures

Special Column:Technology Research and Application Exploration on Attack and Defense of Cryptology | 更新时间：2024-06-03

- Attribute-based encryption schema with group signatures
- Chinese Journal of Network and Information Security Vol. 5, Issue 1, Pages: 15-21(2019)
- 作者机构：
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- DOI：10.11959/j.issn.2096-109x.2019002
  CLC： TP309
- Online First：2019-02，
  
  Published：15 February 2019
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Xinglan ZHANG, Yao CUI. Attribute-based encryption schema with group signatures[J]. Chinese Journal of Network and Information Security, 2019, 5(1): 15-21.
DOI：

Xinglan ZHANG, Yao CUI. Attribute-based encryption schema with group signatures[J]. Chinese Journal of Network and Information Security, 2019, 5(1): 15-21. DOI： 10.11959/j.issn.2096-109x.2019002.

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。

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.

关键词

Keywords

references

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