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A novel key management mechanism using elliptic and Diffie-Hellman for handling users in cloud environment

Cloud computing provides many number of services to the users but the major and crucial service is cloud storage. Cloud storage is one of the most popular services in cloud computing environment. But the data stored in cloud will have a problem of protecting the data from the third party and also address the unauthorized access. For solving such issues encryption provides a better solution but access given to the cloud users is a problem. In order to address this problem we propose a group key management technique using DiffieHellman and elliptic curve cryptograph. Which handles the user authentication and also give the group access, and role based access to the user.