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Policy Based on Homomorphic Encryption and Retrieval Scheme in Cloud Computing | IEEE Conference Publication | IEEE Xplore

Policy Based on Homomorphic Encryption and Retrieval Scheme in Cloud Computing


Abstract:

Homomorphic encryption technology can settle a dispute of data privacy security in cloud environment, but there are many problems in the process of access the data which ...Show More

Abstract:

Homomorphic encryption technology can settle a dispute of data privacy security in cloud environment, but there are many problems in the process of access the data which is encrypted by a homomorphic algorithm in the cloud. In this paper, on the premise of attribute encryption, we propose a fully homomorphic encrypt scheme which based on attribute encryption with LSSS matrix. This scheme supports fine-grained cum flexible access control along with "Query-Response" mechanism to enable users to efficiently retrieve desired data from cloud servers. In addition, the scheme should support considerable flexibility to revoke system privileges from users without updating the key client, it reduces the pressure of the client greatly. Finally, security analysis illustrates that the scheme can resist collusion attack. A comparison of the performance from existing CP-ABE scheme, indicates that our scheme reduces the computation cost greatly for users.
Date of Conference: 21-24 July 2017
Date Added to IEEE Xplore: 10 August 2017
ISBN Information:
Conference Location: Guangzhou, China

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