Question: 2. Using the Hill cipher with block size 3 and encryption matrix 1 A = (a) encrypt Acadia's motto In pulvere vinces; (b) decrypt the

2. Using the Hill cipher with block size 3 and encryption matrix 1 A = (a) encrypt Acadia's motto "In pulvere vinces"; (b) decrypt the message "UWVIKHACQVGI". 3. Eve intercepts the following encrypted message sent to Alice by Bob: WUSZIMBKWUSC NAYKXDTHYSC NQZ . PBHSGTM Eve knows that Alice and Bob use a Hill cipher with block length 2, but she does not know the secret encryption matrix. Eve also knows that Bob begins all of his letters with "Hello". Decrypt the message

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