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SECURE KEY SHARING FOR GROUP COMMUNICATION UNDER COMMUNITY CLOUD

The cloud is one of the most discussed topics among IT professionals today, and organizations are increasingly exploring the potential benefits of using cloud computing or solutions for their businesses. In our modern world people join hands together to form groups and that forms communities through which the ability of one can enhance by communicating with others. In order to satisfy these people over cloud, transformed itself as community cloud. As a cloud infrastructure that is shared by several organization’s and supports a specific community, such as healthcare, telecommunication, education and businesses that has shared concerns around mission, policy and compliance considerations. The goal of a community cloud is to have participating organizations realize the benefits of a public cloud -such as multi-tenancy and a pay-as-you-go billing structure but with the added level of privacy, security and policy compliance usually associated with a private cloud. The community cloud can be either on-premises or off-premises, and can be governed by the participating organizations or by a third-party managed service provider (MSP). In this community cloud large number of groups which were formed by huge number users. At this situation in order to have secure communication and data storage in cloud, consumers use keys. Though these keys were kept private in many cases they are in need to be shared at least once for the sake of security. So, in this paper we are going to discuss a secured protocol through which a community cloud users can share keys among themselves in a secured manner.