基于密文采样分片的云端数据确定性删除方法
张 坤，杨 超，马建峰，张俊伟
Novel cloud data assured deletion approach based on ciphertext sample slice
通信学报 . 2015, (11): 108 -117 .  DOI: 10.11959/j.issn.1000-436x.2015237