13.5 The protocol referred to in Problem 13.1 can be reduced from seven steps to five, having the following sequence: (1) A --> B: (2) B -->KDC: (3) KDC -->B: (4) B--> A: (5) A--> B: Show the message transmitted at each step. Hint: The final message in this protocol is the same as the final message in the original protocol. | |
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