Question: We define the bit-permutation cipher as follows: P(m, k) will reorder the l bits in m based on ran- domly picking one of the l!

We define the bit-permutation cipher as follows: P(m, k) will reorder

We define the bit-permutation cipher as follows: P(m, k) will reorder the l bits in m based on ran- domly picking one of the l! permutations on the index set {0,..., 1 1}. Is this cipher semantically secure? Please prove your

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