Question: ( 3 ) . Eve captures Bob's Hill cipher machine, which uses a 2 by 2 matrix M mod 2 6 . She tries a

(3). Eve captures Bob's Hill cipher machine, which uses a 2 by 2 matrix M mod 26. She
tries a chosen plaintext attack. She finds that the plaintext "ba" encrypts to "HC"
and the plaintext "zZ" encrypts to "GT". What is the matrix M.
(3). Eve captures Bob's Hill cipher machine, which uses a 2

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