Homework 7 Fall 2017-CSCE 522 10 points Due: 10/26/2017 Indicate whether the fol

Question

Homework 7 Fall 2017-CSCE 522 10 points Due: 10/26/2017 Indicate whether the following requests should be permitted or denied, where A(s) and Mo) represents the security label of the subject and object, respectively, s stands for subject and o for object. s requests to read ol and o2 permit deny a. A(s)-(G, {CSE)) A(01)-(UG, { }) (o2)-(G, { }) b. s requests to read ol, o2, o3 permit deny (s (UG, (CSE,EE) permit deny s requests to write ol, o2 A(s)-(UG, {CSE} ) (01) (G, {CSE)), c. (o2)-(UG, { }) 2. Consider the following Access Control Matrix: Filel File2 John Mary Pete tw 4w 4w Build an RBAC model to enforce the question 7 BLP rules. John and Mary are students, Pete is a faculty

Explanation / Answer

[1a] s requests to read o1 and o2
   --> Deny
Reason is doesn't satisfied security at object level

[1b] s requests to read o1,o2,o3
--> Permit

[1c] s requests t oread o1,o2
--> Deny
Reason is doesn't satisfied security at object level

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.