1. Let X’ be the bitwise complement of X. Prove that if the complement of the plaintext block is…
1. Let X’ be the bitwise complement of X. Prove that if the complement of the plaintext block is taken and the complement of an encryption key is taken, then the result of DES encryption with these values is the complement of the original ciphertext. That is, If Y= E(K, X) Then Y’ = E(K’, X’) Hint: Begin by showing that for any two bit strings of equal length, A and B,May 18 2022 10:24 AM
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