(Answered) Consider the following plaintext messagenbspit is exciting

Management Studies

Consider the following plaintext message: IT IS EXCITING TO KNOW THAT WE MAY HAVE FOUND THE MISSING MATTER IN THE UNIVERSE.

a. If this message is sent unencrypted and successfully received, what is its entropy? And why?

b. If this message is encrypted with DES using a random 56-bit key, what is the encrypted message's entropy? And why

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