<Li> Message G: a new Authenticator, which includes the client ID, timestamp and is encrypted using Client / Server Session Key . </Li> <Li> The SS decrypts the ticket (message E) using its own secret key to retrieve the Client / Server Session Key . Using the sessions key, SS decrypts the Authenticator and compare client ID from message E and G, if they match server sends the following message to the client to confirm its true identity and willingness to serve the client: <Ul> <Li> Message H: the timestamp found in client's Authenticator (plus 1 in version 4, but not necessary in version 5), encrypted using the Client / Server Session Key . </Li> </Ul> </Li> <Ul> <Li> Message H: the timestamp found in client's Authenticator (plus 1 in version 4, but not necessary in version 5), encrypted using the Client / Server Session Key . </Li> </Ul> <Li> Message H: the timestamp found in client's Authenticator (plus 1 in version 4, but not necessary in version 5), encrypted using the Client / Server Session Key . </Li>

Which of the following options is kerberos an example of