Based on the figure below for Kerberos version 4 dialog (1) CAS DID ITS, (2) AS - CEK KIDS, Lifetime, u Ticket! Ticket =E( KIK... IDADUDITS, ILiletine, D) (a) Authentication Service Exchange to obtain ticket-granting ticket (3) C TGS ID, 1 Ticker. Authenticator, (4) TGS - CEKIK, UD, 178, Ticket . Ticke-EK KUID, ADD ITS. Lifetime. 1) Ticker - EkKD ADID, TS, Lifetime, Authenticator = EK p[ID 1 AD JTSD (b) Ticket-Granting Service Exchange to obtain service-granting ticket (5) C-V Ticker 1 Authenticator 16) V-C EK IS, + 1 for mutual authentication Ticket = EKK DEAD ID UTS Lifetime, Authenticator = EK IDAD . te) Client Server Authentication Exchange to obtain service NO for men authentication) Ticket - EK, IK,DIADED, T5, Lifetime, 1) Authenticator-EK. DETADATS,D (e) Client/Server Authentication Exchange to obtain wervice Discuss how does a server providing a service, V, verify the authenticity of the client using the provided ticket. Discuss how does an authentication server protect a ticket from being altered by the client or opponent. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). B IV S. Paragraph Arial A 2 I. V 14px V