Bài giảng về an toàn bảo mật hệ thống thông tin Ma trận điều khiển truy nhập

. Slide #2-1 Ma tr n i u khi n truy c pậ đề ể ậ • T ng quanổ • Mô hình ma tr n i u khi n truy c pậ đề ể ậ • Tr ng thái b o vạ ả ệ – Commands – Conditional Commands Slide #2-2 T ng quanổ • Tr ng. mechanism for representing protection state • Transitions alter protection state • 6 primitive operations alter matrix – Transitions can be expressed as commands composed of these operations and,. τ X i+1 : command τ moves system from state X i to X i+1 – X i |– * X i+1 : a sequence of commands moves system from state X i to X i+1 • Commands often called transformation procedures Slide