Ensuring Distributed Accountability for Data Sharing in the Cloud
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The Cloud represents a computing paradigm where shared configurable resources are provided as a service over the Internet. The major advantage of cloud is that users’ data are accessed remotely in unknown machines that users do not own or operate. But it creates an issue that users fear losing control of their own data can become a significant barrier to the wide adoption of cloud services. A cloud can be private or public. A public cloud sells services to anyone on the Internet. (Currently, Amazon Web Services is the largest public cloud provider.) A private cloud is a proprietary network or a data center that supplies hosted services to a limited number of people. When a service provider uses public cloud resources to create their private cloud, the result is called a virtual private cloud. Private or public, the goal of cloud computing is to provide easy, scalable access to computing resources and IT services. In this paper we propose decentralized information accountability framework to keep track of the actual usage of the user’s data in the cloud. For that we provide a logging mechanism that includes authentication for each user to access the user data. The aim of the paper is to ensure the authenticated services for data sharing in the cloud. We assign some algorithms for providing the data under the control of data owner. We provide some auditing mechanisms to strengthen the control over the data.
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