Question: Network security problems help! very greatful!! Authentication/Key Distribution(2+4+2+2) Consider the following protocol for Authentication/Key Distribution: (X and Y are two nodes, A is a CA/KDC,

Network security problems help!

Network security problems help! very greatful!! Authentication/Key Distribution(2+4+2+2) Consider the following protocol very greatful!! for Authentication/Key Distribution: (X and Y are two nodes, A is a CA/KDC, Ni and N2 are random numbers, and Ex means encrypted with

Authentication/Key Distribution(2+4+2+2) Consider the following protocol for Authentication/Key Distribution: (X and Y are two nodes, A is a CA/KDC, Ni and N2 are random numbers, and Ex means encrypted with the secret key of X.) 2. AX: Ex(N,, X, Y, K,Ey(K, X)) 5. XY. Ex(N2-1)

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