A Kerberos realm consists of an authentication server (AS) + TGS, user A, host B and user C. All communications are open for eavesdropping. User A wants to make mutual authentication with host B, then to make confidential communication with B. The ticket generated by the TGS contains the following information: _________________, ___________, ______________, ______________, and _________________ In addition to the ticket, what else is in the message sent to A from the TGS? ___________________ Is this entire message encrypted? _______________ If yes, what and whose key is used? ______________ (write "none" if the message is not encrypted. Which part of the information exchange listed above can user C read in plain text? _____________ (write "none" if C can read nothing)