Cross-group Secret Sharing for Secure Cloud Storage Service. - Chenyutao Ke; Hiroaki Anada; Junpei Kawamoto; Kirill Morozov; Kouichi Sakurai (IMCOM, 2016)

Cross-group secret sharing scheme for secure usage of cloud storage over different providers and regions. - Hiroaki Anada; Junpei Kawamoto; Chenyutao Ke; Kirill Morozov; Kouichi Sakurai (J. Supercomput., 2017)