Question: Let Gen, Enc, Dec ) be an encryption scheme that has indistinguishable encryptions against an eavesdropper. Prove that the following encryption scheme is also secure

Let Gen, Enc, Dec) be an encryption scheme that has indistinguishable encryptions
against an eavesdropper. Prove that the following encryption scheme is also secure against
an eavesdropper.
Enck'(m)?b=ar(Enck(m))
The following questions are meant to guide you through the proof. If you feel that you do
not need them, you can just provide the full proof at the end.
Let Gen, Enc, Dec) be an encryption scheme that has indistinguishable

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