16. The computer-implemented method of claim 15 wherein obtaining values for the TC-related attributes further includes utilizing TC service functions to obtain values for the TC-related attributes.
16. The computer-implemented method of claim 15 wherein obtaining values for the TC-related attributes further includes utilizing TC service functions to obtain values for the TC-related attributes. 18. The computer-implemented method of claim 16 wherein making access control decisions further includes: after receiving a request from a subject process for access to an object, invoking the TC service functions to obtain values for the TC-related attributes; and making access control decisions by denying or allowing access based on the obtained values for the TC-related attributes.