Privacy preserving public auditing for secure cloud storage
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This document proposes a system for privacy preserving public auditing for secure cloud storage. It summarizes the existing system of cloud data storage and its disadvantages like lack of data integrity and privacy. The proposed system allows for public auditing of cloud data storage by an independent third party auditor to ensure data integrity and privacy while reducing the online burden on users. Key aspects of the proposed system include public auditability, storage correctness, privacy preservation, batch auditing and lightweight operation. The document also includes module descriptions and UML diagrams of the use case diagram, activity diagram and sequence diagram.
Privacy preserving public auditing for secure cloud storage
- 1. Privacy Preserving public auditing for secure cloud storage Bhanu Priyanka Syed Mustaq Shaik Nayeem Anuhya Guide: Y.V.V.N Vara Prasad M.Tech.,(Ph.D), M.I.E.T.E., M.I.S.T.E Assoc.Professor Batch no: 14
- 3. Why to use Cloud Computing? • Reduction of costs • Universal access • Up-to-date software • Choice of applications • Potential to be greener and more economical • Flexibility
- 6. Existing System Since cloud service providers (CSP) are separate administrative entities, data outsourcing is actually relinquishing user’s ultimate control over the fate of their data. As a result, the correctness of the data in the cloud is being put at risk due to the following reasons. First of all, although the infrastructures under the cloud are much more powerful and reliable than personal computing devices, they are still facing the broad range of both internal and external threats for data integrity
- 7. Architecture Cloud user Cloud service provider TPA Sends data to cloud Audit the data Acknowledgment to user
- 8. Disadvantages of Existing System • Data integrity • Unfaithfully towards the cloud users regarding their outsourced data status • Expensiveness in I/O and transmission cost • Late to Recover the data loss or damage • Unauthorized data leakage • Privacy
- 9. Proposed System • To fully ensure the data integrity and save the cloud users’ computation resources as well as online burden, it is of critical importance to enable public auditing service for cloud data storage, so that users may resort to an independent third party auditor (TPA) to audit the outsourced data when needed. • The TPA, who has expertise and capabilities that users do not, can periodically check the integrity of all the data stored in the cloud on behalf of the users, which provides a much more easier and affordable way for the users to ensure their storage correctness in the cloud.
- 10. Advantages of proposed system • Public Auditability • Storage Correctness • Privacy Preserving • Batch Auditing • Lightweight
- 12. MODULE DESCRIPTION • Public audit ability for storage correctness assurance • Dynamic data operation support • Block less verification • Dynamic Data Operation with Integrity Assurance • Batch Auditing for Multi-client Data
- 13. UML DIAGRAM • Use Case Diagram • Activity Diagram • Sequence Diagram
- 14. Usecase Diagram ADMIN USER AUDITOR File Upload Key from email View s All User Data Accept data View user Data View Auditing Details File Download Reject Data Send alert
- 15. Activity Diagram File Upload ADMIN LOGIN Start End Process View Auditing Data Details USER LOGI N AUDITOR LOGIN View All User Data Accept or reject data Audit status File Download View user details Send alert
- 16. Sequence Diagram
- 17. Thank you…