Categorical Heuristic for Attribute Based Encryption in the Cloud Server

Provided by: IJCTT-International Journal of Computer Trends and Technology
Topic: Cloud
Format: PDF
Attribute-Based Encryption (ABE) is a public-key based one-to-many encryption that allows users to encrypt and decrypt data based on user attributes. A promising application of ABE is flexible access control of encrypted data stored in the cloud, using access polices and ascribed attributes associated with private keys and Ciphertexts. One of the main efficiency drawbacks of the existing ABE schemes is that decryption involves expensive pairing operations and the number of such operations grows with the complexity of the access policy.

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