An Application of Trust Mechanism in Grid Security
信任机制及其在网格安全中的应用

According to the requestment of Grid Computing for trust mechanism, the trust mechanism is divided into object trust and subject trust and the two trust mechanism models are proposed respectively. The Grid security model joined with subject trust mechanism is provided and an instance of the model including the model of role based access control(RBACis shown, in which, the trust level obtained by the evaluation of the object trust and subject trust decides the assignment of the subset of roles and permissions.