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An Efficient File Hierarchy Attribute Based Encryption Scheme in Cloud Computing

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An Efficient File Hierarchy Attribute Based  Encryption Scheme in Cloud Computing
In Cloud Computing Cipher text-policy attribute-based encryption (CP-ABE) is used to solve the problem of secured data sharing. The shared data files generally have the characteristic of multilevel hierarchy, particularly in the area of military and healthcare.

However, the hierarchy structure of shared files has not been explored in CP-ABE. In this paper, an efficient file hierarchy attribute-based encryption scheme is proposed. An Efficient File Hierarchy Attribute Based  Encryption Scheme

The layered access structures are integrated into a single access structure, and then, the hierarchical files are encrypted with the integrated access Structure.

proposed system:

The cipher text components related to attributes could be shared by the files. Therefore, both cipher text storage and time cost of encryption is saved. Moreover, the proposed scheme is proved to be secured under the standard assumption.

Experimental simulation shows that the proposed scheme is highly efficient in terms of encryption and decryption. The proposed scheme more and more conspicuous becomes with the number of the files increasing.

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Ieee Year

2016, 2015, 2014, 2013, 2012, 2011, 2010

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