A Policy Specification Language for Trust Management

摘要

On the network, whether the opponent is trustworthy is the first problem must to be confirmed before two participants sharing resources or contracting business. Trust Management is an approach to establish trust relationships between entities in the open network environment. In Trust Management, Access Control Policy is used to protect the resources, services and sensitive credentials; policy is the basic security mechanism of Trust Management. After introducing the concepts and notations,a policy specification language named TM-ACPSL is presented.This language is designed for expressing access control policy,designing and analyzing formally policy, strategy and protocol of Trust Management. The syntax and semantic are expatiated, and at last this language is compared with the existing policy specification language.