Special Issue Article Open Access

Enhancing Security of Dynamic Data for Storage Services In Cloud Computing

Abstract

In Cloud Computing, Storage –as –a -Service is one of the most wanted services, but the security of the data stored in the cloud using these services is the key issue. The outsourced data in the cloud has to be guaranteed with confidentiality, integrity and access control. In this work, we device a mechanism of cloud data storage based on indirect mutual trust between the Cloud Service Provider (CSP) and the cloud users through Trusted Third Party Auditor (TTPA). This work facilitates the user to store their data as blocks and enables them to perform dynamic operations on blocks. The stored data can be accessed by a group of users authorized by the data owner. The owner has the privilege to grant or revoke access of the stored data in the cloud. The present system is providing a good security mechanism for stored data and proper sharing of keys among authorized users, and data owner for the cryptographic mechanism.

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