Role-Based Delegation Model with Temporarily-Spatially Constraint
Shi Hong-qin · Jisuanji gongcheng · 2010
A Temporarily-Spatially(TS) constrained Role-Based Delegation Model(TS_RBDM) is introduced.On the basis of RBDM0 and RDM2000,role,permission,and operation in delegation are all temporarily-spatially sensitive,which makes delegation have TS attribute,and introduces some formal definition of TS_RBDM including issues of strict/non-strict delegation,one/multiple step delegation,entire/partial delegation,and provides the foundation for applications executing the permission delegation.