Survey on Privacy  Preserving Auditing of Dynamic Shared Data In Cloud

Priyanka S. Tandale; Prof. Virendra Bagade

CALL FOR PAPERS : Mar-2023

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25-Mar-23

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Survey on Privacy Preserving Auditing of Dynamic Shared Data In Cloud

Author(s):

Priyanka S. Tandale , Master of Computer Engineering PICT, Pune; Prof. Virendra Bagade, Asst. Professor PICT, Pune

Keywords:

Cloud computing, Security, Auditing, privacy-preserving, shared data, cloud computing

Abstract:

Cloud computing technology is increasingly patronized by both organizations and individuals because of its ability to provide users with on-demand, flexible, reliable and low-cost services. Cloud Storage has become popular because of the abundant benefits provided by it like ubiquity, elasticity, and scalability. Along with data security/privacy, ensuring data integrity of outsourced data is also one of the major concerns in adoption of the cloud services. This problem is also known as data auditing when the verification is conducted by a trusted third party. With cloud storage services, it is common place for data to be not only stored in the cloud, but also shared across multiple users. However, public auditing for such shared data while preserving identity privacy remains to be an open challenge. In this paper, we propose the first privacy-preserving mechanism that allows public auditing on shared data stored in the cloud. In particular, we exploit ring signatures to compute the verification information needed to audit the integrity of shared data. With our mechanism, the identity of the signer on each block in shared data is kept private from a third party auditor (TPA), who is still able to publicly verify the integrity of shared data without retrieving the entire file.