@article{CSIS_2018_15_3_a9, author = {Xu An Wang and Xiaoyuan Yang and Cong Li and Yudong Liu and Yong Ding}, title = {Improved {Functional} {Proxy} {Re-encryption} {Schemes} for {Secure} {Cloud} {Data} {Sharing}}, journal = {Computer Science and Information Systems}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {2018}, url = {http://geodesic.mathdoc.fr/item/CSIS_2018_15_3_a9/} }