2 Q3) Afline Cipher is an example of a Monoalphabetic substitution cipher. The encryptionprocess is substantially mathematical done by using the following formula:C= (P• k1+12) mod 26.Where kl, 2 are two integers representing the key (selected randomly), C is the cipbertextvalue, and P is the plaintext value. Where C and P integers with values between O and 25.Write an Octave progrumme to implement this system, run your programme using thePlaintext: "the quick brown fox jumped over the lazy dog", Show the obtained ciphertextwith the selected values of the keys ki & k2.B- Given that the plaintext "s" encrypts to ciphertext "W" and plaintext "x" encrypts tociphertext "Z" when encrypted with Affine Cipber, Determine, mathematically, the valuesfor the two keys Kl and K2.

Q3) Affine Cipher is an example of a Monoalphabetic substitution cipber. The encryption process is substantially mathematical done by using the following formula: C= (P• kl + k2) mod 26. Where kl, 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 O and 25. Write an Octave programme to implement this system, run your programme using the Plaintext: "the quick brown fox jumped over the lazy dog". Show the obtained ciphertext with the selected values of the keys kl & k2. b- Given that the plaintext "s" encrypts to ciphertext "W" and plaintext "x" eacrypts to ciphertext "Z" when encrypted with Affine Cipher, Determine, mathematically, the values

Q3) Affine Cipher is an example of a Monoalphabetic substitution cipber. The encryption process is substantially mathematical done by using the following formula: C= (P• kl + k2) mod 26. Where kl, 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 O and 25. Write an Octave programme to implement this system, run your programme using the Plaintext: "the quick brown fox jumped over the lazy dog". Show the obtained ciphertext with the selected values of the keys kl & k2. b- Given that the plaintext "s" encrypts to ciphertext "W" and plaintext "x" eacrypts to ciphertext "Z" when encrypted with Affine Cipher, Determine, mathematically, the values

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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