Question: Use the autokey cipher to encrypt the message THE DREAM OF REASON (ignoring spaces) using a) The keystream with seed X followed by letters of

Use the autokey cipher to encrypt the message THE DREAM OF REASON (ignoring spaces) using
a) The keystream with seed X followed by letters of the plaintext.
b) The keystream with seed X followed by letters of the ciphertext.

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a The seed is 23 X adding this to the first character of the plaintext 19 ... View full answer

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