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4 ) Affine Cipher is an example of a Monoalphabetic substitution cipher. The encryption process is substantially mathematical done by using the following formula: C

4) Affine Cipher is an example of a Monoalphabetic substitution cipher. The encryption process is substantially mathematical done by using the following formula:
C =(P k1+ k2) mod 26.
Where k1, k2 are two integers representing the key (selected randomly), C is the ciphertext value, and P is the plaintext value. Where C and P integers with values between 0 and 25. Write an Octave programme to implement this system, run your programme using Plaintext: the quick brown fox jumped over the lazy dog. Show the obtained ciphertext with the selected values of the keys k1 & k.solve the question and Create an octave code if necessary

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