Question: One local area network vendor provides a key distribution facility, as illustrated in Figure 14.17. a. Describe the scheme. b. Compare this scheme to that

One local area network vendor provides a key distribution facility, as illustrated in Figure 14.17.

a. Describe the scheme.

b. Compare this scheme to that of Figure 14.3.What are the pros and cons? (2) IDA, E(Ka, Na), IDB, E(Kb, N) B Key Distribution Center (KDC)

(2) IDA, E(Ka, Na), IDB, E(Kb, N) B Key Distribution Center (KDC) (3) E(Kb. [KS, IDA, Nb]), E(Kas [KS, IDB, Nal) Figure 14.17 Figure for Problem 14.1 (1) A, E(Ka, Na) (4) E(Kas [KS, IDB, Nal). A

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