A Study on Secure Medical-Contents Strategies with DRM Based on Cloud Computing

Algorithm 1

Security steps.

1: procedure Security.Process(u, i, d)

2: u#.profile(name, sex, birth, ID.number, phone, address);

3: i#.info(insurance, category, cover.scope);

4: d#.info(disease, found, birth, phone.number);

5: REGISTERu#.profileTOm.Server;

6: STOREu#.profileINm.Server;

7: REQUESTu#.KEYTODRM;

8: GENERATEu#.KEYinDRM;

9: UPDATEu#.licence.PolicyinDRM;

10: u#.profile, m.Server([Sig&Encrypt][DRMAgent]);

11: while r ≠ 0do                        ▷

12:  Sig ← Signature(u#.profile)

13:  Enc ← Encrypt(u#.profile)

14:  Ngo ← Negotiation(Sig, Eng)  ▷ negotiate between user and Server

15:  K.set ← Fair(key(u#.profile, m.Server)fromDRM

16:  Shr ← Share(K.set)

17:  Crm ← Confirm(K.set

18:  l.Crm ← License.Confirm(DRM, KeyManagement.Service)

19: end while

20: return                           ▷

21: end procedure