Cooperative Provable Data Possession for Integrity Verification in Multi-Cloud Storage

NANO SCIENTIFIC RESEARCH CENTRE PVT.LTD.,  AMEERPET, HYD

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DOT NET 2013 IEEE PAPERS

Cooperative Provable Data Possession for Integrity Verification in Multi-Cloud Storage

Abstract:

            Provable data possession (PDP) is a technique for ensuring the integrity of data in storage outsourcing. In this paper, we address the construction of an efficient PDP scheme for distributed cloud storage to support the scalability of service and data migration, in which we consider the existence of multiple cloud service providers to cooperatively store and maintain the clients’ data. We present a cooperative PDP (CPDP) scheme based on homomorphic verifiable response and hash index hierarchy. We prove the security of our scheme based on multi-prover zero-knowledge proof system, which can satisfy completeness, knowledge soundness, and zero- knowledge properties. In addition, we articulate performance optimization mechanisms for our scheme, and in particular present an efficient method for selecting optimal parameter values to minimize the computation costs of clients and storage service providers. Our experiments show that our solution introduces lower computation and communication overheads in comparison with non-cooperative approaches.

Existing system:

            There exist various tools and technologies for multicloud, such as Platform VM Orchestrator, VMware vSphere, and Ovirt. These tools help cloud providers construct a distributed cloud storage platform (DCSP) for managing clients’ data. However, if such an important platform is vulnerable to security attacks, it would bring irretrievable losses to the clients. For example, the confidential data in an enterprise may be illegally accessed through a remote interface provided by a multi-cloud, or relevant data and archives may be lost or tampered with when they are stored into an uncertain storage pool outside the enterprise. Therefore, it is indispensable for cloud service providers (CSPs) to provide security techniques for managing their storage services.

Proposed system:

            In this paper, we address the problem of provable data possession in distributed cloud environments from the following aspects: high security, transparent Verification, and high performance. To achieve these goals, we first propose a Verification framework for multi-cloud storage along with two fundamental techniques: hash index hierarchy (HIH) and homomorphic verifiable response (HVR). We then demonstrate that the possibility of constructing a cooperative PDP (CPDP) scheme without compromising data privacy based on modern cryptographic techniques, such as interactive proof system (IPS).

Software and Hardware Requirements

Hardware Required:                             

System                                    :           Pentium IV

Hard Disk                   :           80 GB

RAM                           :           512 MB

Software Required:

Operating System       :           Windows XP

Language                    :           Asp.Net, C#

Data Base                    :           SQL Server 2005

Modules:

·         Login

·         Registration

·         Uploading

·         Downloading

·         Integrity Verification