Question: Please use Matlab Given a piece of ciphertext generated with Vigenere cipher, find the encryption keyword and recover the corresponding plaintext. (Programming required) procedure would

Please use Matlab

Given a piece of ciphertext generated with Vigenere cipher, find the encryption keyword and recover the corresponding plaintext. (Programming required) procedure would be first Use Kerckhoffs method to find the key length and show the numbers of coincidences for displacement of range 2 to 30. (Programming required) then Find the keyword. (Programming required) then Recover the plaintext.

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