Question: Enc 1 ( k , m ) is defined as follows: It's IND - CPA. It runs Enc ( k , m ) and obtains

Enc1(k, m) is defined as follows: It's IND-CPA. It runs Enc(k, m) and obtains c0; the output ciphertext c := c0||0,i.e., with an extra padding of 0 at the end all the time. Is c still IND-CPA?

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