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SOLVED: Encrypt the message "EXTENT" using a Hill cipher with encryption matrix.Ciphertext:(b) What is the decryption matrix?A^-1Decrypt the message "WRYBKC".Plaintext:
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In a transposition cipher, the encryption and decryption keys are often represented as two one-dimensional tables (arrays) and the cipher is represented as a piece of software (a program). a. Show the array for the encryption key in Figure 13.6. Hint: The value of each element can show the input-column number; the index can show the output-column number. b. Show the array for the decryption key in Figure 13.6. c. Explain, given the encryption key, how we can find the decryption key. | Numerade
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