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Provably secure attribute-based encryption with attribute revocation and grant function using proxy re-encryption and attribute key for updating
2015
Human-Centric Computing and Information Sciences
Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is suitable for data access control on a cloud storage system. In CP-ABE, the data owner encrypts data under the access structure over attributes and a set of attributes assigned to users is embedded in user's secret key. A user is able to decrypt if his attributes satisfy the ciphertext's access structure. In CP-ABE, processes of user's attribute revocation and grant are concentrated on the authority and the data owner. In this paper, we
doi:10.1186/s13673-015-0027-0
fatcat:d74dfshzubfg7byu4yyywsx4dy