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Q 4 : Enc _ 1 ( k , m ) is defined as follows: - It runs Enc ( k , m ) and
Q: Enckm is defined as follows:
It runs Enckm and obtains c;
It runs Enckm again to obtain c The final ciphertext will be cc pts
Q: Enckm is defined as follows:
It runs Enckm and obtains c;
It runs f on m to obtain c where f is a pseudorandom generator. The final ciphertext will be cc pts
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