Encrypt the message "OXYGEN" using a Hill cipher with encryption matrix. Ciphertext: (b) What is the decryption matrix? A^-1 (c) Decrypt the message "KQXFLW". Plaintext:
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.., Z=25). So, we get: O = 14 X = 23 Y = 24 G = 6 E = 4 N = 13 Now, we need to arrange these values into a matrix form. Since the encryption matrix is 2x2, we will arrange the message into a 2x3 matrix: P = | 14 24 6 | | 23 4 13 | Show more…
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