Question: 2 . Suppose that the plaintext block m is encrypted to ciphertext block with key k by DES

2.Suppose that the plaintext block "m" is encrypted to ciphertext block """ with key "k" by DES algorithm, proof that after DES decryption algorithm, c is decrypted to m.(15 marks)
2.Suppose that the plaintext block "m" is encrypted to ciphertext block

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