ISCAS OpenIR
an attribute based encryption scheme with fine-grained attribute revocation
Li Qiang; Feng Dengguo; Zhang Liwu
2012
会议名称2012 IEEE Global Communications Conference, GLOBECOM 2012
会议录名称GLOBECOM - IEEE Global Telecommunications Conference
页码885-890
会议日期December 3, 2012 - December 7, 2012
会议地点Anaheim, CA, United states
收录类别EI
ISBN9781467309219
部门归属(1) Institute of Information Engineering Chinese Academy of Sciences Graduate University of Chinese Academy of Sciences Beijing China; (2) Institute of Software Chinese Academy of Sciences Beijing China
摘要As a new public key primitive, attribute-based encryption (ABE) is envisioned to be a promising tool for implementing fine-grained access control. When applying ABE schemes to practical applications, revocation mechanism is very necessary for any ABE schemes involving many users. Revocation for ABE schemes is a challenge issue since each attribute is conceivably shared by multiple users. Revocation of any single user would affect others who share his attributes. In this paper, we propose a KP-ABE scheme with fine-grained attribute revocation under the direct revocation model. In our scheme, we can revoke one attribute of a user instead of all attributes issued to him and the user can complete decryption as long as the unrevoked attributes of the user satisfy the access structure. The revocation does not affect any other user's private key. Moreover, our scheme supports an important property for achieving the user accountability to prevent illegal key sharing among colluding users. We show how to construct such a KP-ABE scheme with fine-grained attribute revocation and prove its security under the q-BDHE assumption in the standard model. © 2012 IEEE.; As a new public key primitive, attribute-based encryption (ABE) is envisioned to be a promising tool for implementing fine-grained access control. When applying ABE schemes to practical applications, revocation mechanism is very necessary for any ABE schemes involving many users. Revocation for ABE schemes is a challenge issue since each attribute is conceivably shared by multiple users. Revocation of any single user would affect others who share his attributes. In this paper, we propose a KP-ABE scheme with fine-grained attribute revocation under the direct revocation model. In our scheme, we can revoke one attribute of a user instead of all attributes issued to him and the user can complete decryption as long as the unrevoked attributes of the user satisfy the access structure. The revocation does not affect any other user's private key. Moreover, our scheme supports an important property for achieving the user accountability to prevent illegal key sharing among colluding users. We show how to construct such a KP-ABE scheme with fine-grained attribute revocation and prove its security under the q-BDHE assumption in the standard model. © 2012 IEEE.
关键词Access Control Communication
语种英语
内容类型会议论文
URI标识http://ir.iscas.ac.cn/handle/311060/15917
专题中国科学院软件研究所
推荐引用方式
GB/T 7714
Li Qiang,Feng Dengguo,Zhang Liwu. an attribute based encryption scheme with fine-grained attribute revocation[C],2012:885-890.
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