Study Figure 1 and answer the questions. ()H m KA() + Ks( + + Ks KB(*) Figure 1 Alice sending a message to Bob (the inside the parenthesis represents the message, m) 1. Show the steps implemented by Bob to extract and verify the message m. Use the same nomenclature as shown in Figure 1. (5 points) 2. Given the information learned by Bob from the message received from the message received from Alice, how can Bob reply to Alice with a message that would maintain Integrity and Confidentiality? Use the same nomenclature as shown in Figure 1. (5 points)