A Review on Third Party Auditing by using KERBEROS System for Secure Cloud Storage
Ved M. Kshirsagar · 2014
Cloud computing is an environment which enables convenient, efficient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. Cloud is kind of centralized database where many organizations/clients store their data, retrieve data and possibly modify data. Using cloud storage, users can remotely store their data and enjoy the on-demand high-quality applications and services from a shared pool of configurable computing resources, without the burden of local data storage and maintenance. Data stored and retrieved in such a way may not be fully trustworthy so here concept of TPA (Third Party Auditor) is used. Thus, enabling public auditability for cloud storage is of critical importance so that users can resort to a third-party auditor (TPA) to check the integrity of outsourced data and be worry free. To securely introduce an effective TPA, the auditing process should bring in no new vulnerabilities toward user data privacy, and introduce no additional online burden to user. It will be our attempt to further extend the result to enable the TPA to perform audits for multiple users simultaneously and efficiently. Extensive security by applying various encryption algorithms and Kerberos as a third party authentication system shows the proposed schemes are provably secure and highly efficient.