Since the method of using username and password and the traditional access-control list mechanism can no more keep up with the further development of E-Government, we realized a distributed-access-control model to settle this problem. This model divides the security management into two levels: First is global security management level which is responsible for harmonizing and controlling the security management of all the control objects of the e-government network; Second is local security management level which is in charge of the security management of local departments or objects inside loc...
