Deduplication Research Papers

Deduplication Research Papers-84
Therefore, many studies on client-side deduplication have been made.Despite the many advantages of deduplication technique, deduplication technique for the important data has caused several new security problems.The proposed scheme provides client-side deduplication while providing confidentiality through client-side encryption to prevent exposure of users’ sensitive data on untrusted cloud servers.

Therefore, many studies on client-side deduplication have been made.Despite the many advantages of deduplication technique, deduplication technique for the important data has caused several new security problems.The proposed scheme provides client-side deduplication while providing confidentiality through client-side encryption to prevent exposure of users’ sensitive data on untrusted cloud servers.

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This requires that the data be stored in an encrypted form that supports access control policies so that no one but a user with a particular type of attributes (privilege information) can decrypt the encrypted data.

On the other hand, the amount of data stored in the storage of cloud storage providers (CSPs) is growing very rapidly, especially at the age of big data.

Therefore, a design of a cloud storage system supporting both of these properties is required.

In this paper, we propose an authorized deduplication scheme using CP-ABE (Ciphertext-Policy Attribute-Based Encryption) to solve this problem.

In the current cloud computing environments, access policy-based encryption (typically ABE (Attribute Based Encryption) scheme) and secure deduplication are widely adopted separately.

However, the standard ABE technique does not support secure deduplication, a technique that helps save storage space and network bandwidth by removing redundant copies of encrypted data in the cloud.

The proposed authorized deduplication scheme provides an adequate trade-off between storage space efficiency and security in cloud environment and is very suitable for the hybrid cloud model considering both the data security and the storage efficiency in a business environment.

Cloud computing greatly facilitates data providers who want to outsource their data to the cloud without disclosing their sensitive data to external parties and would like users with certain credentials to be able to access the data [1].

Therefore, in terms of flexibility, data deduplication should be combined with data access control techniques.

In this paper, we propose an authorized deduplication scheme using CP-ABE to solve this problem.

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