nayana-c1.867c992ae9100904cc61c84591adf0f8f863e0387e30f0d0dbc86640e9f50a1a.en.test.31466

The task

Which of the following is a requirement for the output of the Evaluate function in a leveled fully homomorphic encryption scheme? A. The output must be a constant polynomial. B. The output must be a ciphertext of size proportional to L. C. The size of the output of Evaluate is not more than polynomial in k independent of f (compactness), and independent of L. D. The output must be decrypted immediately after evaluation. Return only the single uppercase letter of the correct option.