@article{韩刚:13, author = {[韩刚, 行琦璇, 张应辉]}, title = {Fine-grained cooperative access control scheme with hidden policies}, publisher = {中国邮电高校学报(英文)}, year = {2021}, journal = {中国邮电高校学报(英文)}, volume = {28}, number = {6}, eid = {13}, pages = {13-25}, keywords = {attribute-based encryption, hidden policy, group collaboration, blockchain}, doi = https://jcupt.bupt.edu.cn/CN/10.19682/j.cnki.1005-8885.2021.1021 }