A Survey on Group Key Agreement Protocols in Cloud Environment
2018
This survey is aimed at reviewing the group key agreement protocols in cloud environment. These protocols are given a classification, which are group key agreement protocol, triple-party protocol and double-party protocol, according to the number of users participating in the agreement. Then we give a summary of these proposed key agreement protocols based on the classification. After performing analysis on security and performance of these key agreement protocols respectively, a comment on each category is made and given in this paper. Based on which, it is unmistakably that Odelu et al.'s protocol in [47] shows the best performance both in security and efficiency, while Tseng et al.'s protocol in [45] reveals unsatisfying outcome. Finally, discussion and evaluation of group key agreement protocols in cloud is given in a generalized way to provide a reference for further study.
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