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Assume that you intercept the following ciphertext and you know that it was encrypted using an autokey cipher. You also know that the first letter

  1. Assume that you intercept the following ciphertext and you know that it was encrypted using an autokey cipher. You also know that the first letter of the plaintext is an H.

Ciphertext = HVKZLLBMIAKXBB

    1. What type of attack would you be using to find the plaintext message?
    1. Showing the steps used, find the full plaintext message.

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