Q6. Given below figure, answer the following questions a. What is the purpose of time, in steps 1 and 2? What is the purpose of N₁ in step 3? b. c. These 7 steps represent 2 functionalities. What are they? d. Which type of keys is distributed by this technique? (1) Request | Time, Initiator Key Distribution Authority (2) EKRauth [KU || Request || Time ₁ ] (5) EKRauth [KU | Request || Time ₂] (3) EKU₂ [IDA || N₁]. (6) EKU [N1 || N₂11 (4) Request || Time₂ (7) EKU [N₂11 Responde B

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