Security key provided for group data sharing in cloud computing
Data sharing in cloud computing enables multiple participants to freely share the group data, which improves the efficiency of work in cooperative environments and has widespread potential applications. Nonetheless, how to guarantee security of information sharing inside a gathering and how to productively share information redistributing such that difficulties the weight gathering. Note that the key understanding convention has assumed a significant job in the protected and proficient sharing of information in a distributed computing gathering. In this paper, by exploiting symmetric balanced incomplete block design (SBIBD),  Our present understanding of the key square structure that supports the convention based on the novel of different members, who deftly able to expand the number of members in the cloud conditions as indicated by the structure of a square plan. Based collect the proposed information sharing model, we present a general equation for creating a K key meeting open to specific members. Note that with the benefit of (v; k + 1; 1) - a square structure, uncertainty computation of the increase in the proposed convention directly with the quantity of members and correspondence complexity greatly decreased.
Keywords: Key Agreement protocol, Symmetric balanced incomplete block.. design(SBIBD),Data Sharing, Cloud Computing