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1. TCP uses Jacobson’s algorithm to update the timeout value. Write a Matlab function that takes the current estimate of the round-trip time and the latest acknowledgment time as input arguments and returns the timeout estimate as output. 2. Alice is communicating with Bob using the RSA algorithm. Bob’s public key is the pair (� = 199956859, � = 101). a) Alice has sent the binary sequence in Figure 1 (see next page) to Bob. You have intercepted this message. Decrypt it and give it as plain text in English. Clearly explain your answer. b) What are the weaknesses of the encryption used by Alice? c) Use Bob’s public key to encrypt the message: “John is a Spy” as a binary sequence. 0 0 0 1 1 0 1 0 0 0 0 1 0 1 0 0 1 0 1 0 0 1 1 1 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 0 1 0 1 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 0 0 0 1 0 1 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 0 1 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 1 1 1 0 0 1 1 1 0 1 1 0 0 1 1 1 1 0 0 1 0 1 1 1 0 0 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 0 1 0 1 0 0 1 0 1 0 1 1 0 0 1 1 1 0 0 1 0 0 0 0 0 1 1 0 0 1 0 1 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 0 0 0 0 0 1 0 1 1 0 0 0 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 0 1 0 1 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 0 0 0 1 1 1 0 1 0 1 1 1 0 1 0 0 1 0 0 1 0 1 0 1 0 1 0 Figure 1: Alice’s message to Bob

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