Question: What is required to decrypt a message encrypted with the Hill cipher? Question 2 0 Answer a . The inverse of the key matrix and

What is required to decrypt a message encrypted with the Hill cipher?
Question 20Answer
a.
The inverse of the key matrix and the ciphertext
b.
The original plantext
c.
The ciphertext matrix
d.
None of these
e.
The determinant of the key matrix

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