Abstract

Abstract Cloud Computing is the next-generation architecture of IT Enterprise because of its scalability and low cost. But it also raises security issues such as the security of data which is the major constraint to the development of cloud storage. To solve the safety issues in cloud storage services for data sharing characteristics, this paper proposed a new ciphertext policy attribute-based encryption (CP-ABE) scheme applied in cloud storage while shortening the length of the ciphertext and can be flexible to properties revocation. The security of the scheme is based on Decisional Bilinear Diffie-Hellman (DBDH) problem.KeywordsCloud storageABERevocationProxy re-encryption

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