Regenerating Code Based Cloud Storage using Privacy Preserving Public Auditing

Computer Engineering

The major scenario in Cloud Storage is, users can store their data and enjoy the on-demand high value applications and services from a common pool of configurable adding resources, without the problem of inherent data storage and conservation. To protect stored data in cloud storage against corruptions, adding fault tolerance to cloud storage together with data integrity checking and failure reparation becomes critical. However, the fact that users no longer have physical control over the authorized data makes the data reliability protection in Cloud Computing a tough task, especially for users with controlled computing resources. Also, users should be able to use the cloud loading as if it is local, without worrying about the need to verify its honesty. Thus, enabling public auditability for cloud storage is of critical position so that users can hand over to a third party auditor (TPA) to check the dependability of outsourced data and be worry-free. To securely introduce an effective TPA, the auditing process should bring in no new revelations towards user data privacy, and introduce no other online problem to user, we suggest a secure cloud storage system associate privacy-preserving public auditing. General security and performance analysis show that the proposed structures are provably secure and highly effective. Thus, our scheme can completely release data owners from online burden.

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