Storing Shared Data on the Cloud via Security-Mediator

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Provided by: Utah Section PGA
Topic: Cloud
Format: PDF
Now-a-days, many organizations outsource data storage to the cloud such that a member of an organization (data owner) can easily share data with other members (users). Due to the existence of security concerns in the cloud, both owners and users are suggested to verify the integrity of cloud data with Provable Data Possession (PDP) before further utilization of data. However, previous methods either unnecessarily reveal the identity of a data owner to the untrusted cloud or any public verifiers, or introduce significant overheads on verification metadata for preserving anonymity. In this paper, the authors propose a simple, efficient, and publicly-verifiable approach to ensure cloud data integrity without sacrificing the anonymity of data owners nor requiring significant overhead.
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