Common Contracts
1 similar Private Key Agreement for Group Data Sharing contracts
PRIVATE KEY AGREEMENT FOR GROUP DATA SHARING IN CLOUD COMPUTINGPrivate Key Agreement for Group Data Sharing • April 28th, 2018
ABSTRACT-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. However, how to ensure the security of data sharing within a group and how to efficiently share the outsourced data in a group manner are formidable challenges. Note that key agreement protocols have played a very important role in secure and efficient group data sharing in cloud computing.In this paper, the group membership is dynamically changed, due to the new user registration and user revocation. Once the user is revoked (exited), the group manager creates the new encryption key for the specific group and transmits in an encrypted format using key agreement algorithm. Second the group manger updates the whole data list in the cloud server. Third the group manages updates the user list and activates the key for access. Finally the user can download and upload with more secu
