#1 & #2

5/2017 Homework 1 Homework7 Fall 2017-CSCE 522 10 points Due: 10/26/2017 1 Indicate whether the following requests should be permitted or denied, where Ms) and (o) represents the security label of the subject and object, respectively, s stands for subject and o for object. a. s requests to read ol and o2 permit deny (s) (G, (CSE)) nol)-(UG, { }) (02)-(G, { }) (s)-(UG. {CSE.EE)) Mol)-(UG, { }), (o2) (UG, {CSE,EE)), b. s requests to read ol, o2, o3 permit deny (03):(UG, {CSE} ) s requests to writc ol, o2 Ms)-(UG, (CSE)) c. permit deny 2. Consider the following Access Control Matrix: File1 File2 File3 John Mary Pete Build an RBAC model to enforce the question 7 BL.P rules. John and Mary are students, Pete is a faculty member