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EXISTING SYSTEM

PROPOSED SYSTEM

EXISTING CONCEPT:-

Existing remote checking methods for regenerating-coded data only provide private auditing, requiring data owners to always stay online and handle auditing, as well as repairing, which is sometimes impractical.

The large size of the outsourced data and

the user’s constrained resource capability, the tasks of auditing and reparation in the cloud can be formidable and expensive

for the users

 PROPOSED CONCEPT: -

In our proposed system Public Auditability to allow TPA to verify the intactness of the data in the cloud on demand without introducing additional online burden to the data owner.

Our scheme is the first to allow privacy-preserving public auditing for regenerating code- based cloud storage. The coefficients are masked by a PRF(Pseudorandom Function) during the Setup phase to avoid leakage of the original data

 EXISTING TECHNIQUE:-

Private Auditing Protocol

PROPOSED TECHNIQUE:-

Public  Auditing Protocol

 TECHNIQUE DEFINITION:-

 private auditing, requiring data owners to always stay online and handle auditing, as well as repairing, which is sometimes impractical.

TECHNIQUE DEFINITION:-

To solve the regeneration problem of failed authenticators in the absence of data owners, we introduce a proxy, which is privileged to regenerate the authenticators, into the traditional public auditing system model.

DRAWBACKS:-

Absence of data owner is not possible

 Regeneration problem of failed authenticators

ADVANTAGES:-

Absence of data owner is possible

 Regeneration problem of authenticators is solved