Kerberos
3. (C, U, S). 2. C:credential. Kerberos Server (K). Ticket Granting Server (tgs). User/Client. 1. U: user id. 4. T: Ticket. 5. (T, request). ( 6. T' ). Server. Kerberos. Ticket Structure: E K(S) {C, S, K C,S , timestamp, lifetime}. Kerberos. Phase 1
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