Towards Attribute Revocation in Key-Policy Attribute Based Encryption

被引：0
|
作者：
Wang, Pengpian [1 ]
Feng, Dengguo [1 ]
Zhang, Liwu [1 ]
机构：
[1] Chinese Acad Sci, Inst Software, State Key Lab Informat Secur, Beijing, Peoples R China
来源：
CRYPTOLOGY AND NETWORK SECURITY | 2011年 / 7092卷
关键词：
Attribute Revocation; Attribute Based Encryption; Key-Policy; Access Structure; Access Tree; BROADCAST;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Attribute revocation is important to the attribute-based encryption (ABE). The existing A BE schemes supporting revocation mainly focus on the revocation of the user's identity; which could only revoke the user's whole attributes by revoking the user's identity. In some cases, we wish to revoke one attribute of a user instead of the whole attributes issued to him without affecting any other user's private key, such that the user still can use his private key to decrypt as long as the unrevoked attributes of him satisfy the decryption condition. In this paper, we propose two KP-ABE schemes realizing the attribute revocation under the direct revocation model.
引用
收藏
页码：272 / 291
页数：20
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