Tenant-Centric Attribute Semantic Access Control Policy Model for the Cloud Service Platform

Algorithm 1

Policy evaluation algorithm (PEA).

Input: Given and , among them,

Output: 

1: Policy_Evaluation (, ) / (Equation (1)) /

2: FOR each in do

3: IF / Performing the conjunction operation (namely Equations (2) and (3)) /

4:   

5:   

6:  ELSE

7:   

8:   

9: END IF

10: END FOR

11:  / Performing the disjunction operation (namely Eq. (2)) /

12:  / maps to /

13: Return

14: End Policy_Evaluation