支持时空约束的可信数字版权管理安全许可协议
马兆丰,范科峰,陈铭,杨义先,钮心忻
Trusted digital rights management protocol supporting for time and space constraint
Zhao-feng MA,Ke-feng FAN,Ming CHEN,Yi-xian YANG,Xin-xin NIU
通信学报 . 2008, (10): 153 -164 .  DOI: 1000-436X(2008)10-0153-12