PHAS-HEKR-CP-ABE: partially policy-hidden CP-ABE with highly efficient key revocation in cloud data sharing system
Wei Zhang, Zhishuo Zhang, Hu Xiong, Zhiguang Qin
Topics & Concepts
Computer scienceAccess structureCiphertextRandom oracleAttribute-based encryptionRevocationPlaintextComputer securityEncryptionCloud computingScheme (mathematics)Key (lock)Secret sharingTheoretical computer sciencePublic-key cryptographyCryptographyMathematicsOverhead (engineering)Operating systemMathematical analysisCryptography and Data SecurityComplexity and Algorithms in GraphsPrivacy-Preserving Technologies in Data