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

Algorithm 3

Cross-platform access decision algorithm (CADA).

Input: Tenant’s

Output: or to access business resources of the CP

1: 

2: CSP.PEP_Fuction ()

3:  Getting attribute tables from the AA

4:  Translating to

5:  IF is the cross-platform access request

6:   Sending to CP.PEP

7:  ENDIF

8: END CSP.PEP_Fuction

9: CP.PEP receives and verifies the integrity of

10: CP.PEP_Fuction ()

11:  Executing CP.PDP_Fuction ()

12:  Executing

13:  or to access business resources of the CP

14: END CP.PEP_Fuction

15: CP.PDP_Fuction ()

16:  Getting from the CP.PEP

17:  Getting from the CP.PAP

18:  Getting the relationship between attributes and their values from the

19:  Policy_Evaluation ()/ Execute Policy Evaluation Algorithm (PEA)/

20:  Return

21: END CP.PDP_Fuction