Question: 27. In RSA, a common encryption exponent of e 3 or e- 216 + 1 is sometimes used. The RSA math will also works if

27. In RSA, a common encryption exponent of e 3 or

27. In RSA, a common encryption exponent of e 3 or e- 216 + 1 is sometimes used. The RSA math will also works if we use a common decryption exponent of, say, d 3. Why would it be a bad idea to use d = 3 as a common decryption exponent? Can you find a secure common decryption exponent d? Explain

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