Securing data is very important. We are developing an encryption module for the communication system in C++. You are supposed to input data in a character array of size 100. After taking input in array pass this array to a function to encrypt. This function applies following encryption on data. For testing purposes, after encryption function is called, the main function should print the encrypted data in the array.Convert upper case letters to lower case and lower case letters to upper case.After conversion replace each alphabet with its next alphabet, for example “A” will be replaced by “B”, “B” will be replaced by “C”, and so on. Similarly “a” will be replaced by “b” etc. However, “Z” should be replaced by “A” and “z” should be replaced by “a”.Digits must be replaced by subtracting it from 9 for example 0 should be replaced by 9 (9-0=9), 1 should be replaced by 8 (9-1=8), 2 should be replaced by 7 (9-2=7)………… and 9 should be replaced by 0 (9-9=0).Spaces should be replaced by $ and $ should be replaced by space

Functions used: - The program includes the cctype header file for using functions like isupper,…

Answered: Securing data is very important. We are…

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section: Chapter Questions

Problem 7PP: (Numerical) Using the srand() and rand() C++ library functions, fill an array of 1000 floating-point...

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Securing data is very important. We are developing an encryption module for the communication system in C++. You are supposed to input data in a character array of size 100. After taking input in array pass this array to a function to encrypt. This function applies following encryption on data. For testing purposes, after encryption function is called, the main function should print the encrypted data in the array.

Convert upper case letters to lower case and lower case letters to upper case.
After conversion replace each alphabet with its next alphabet, for example “A” will be replaced by “B”, “B” will be replaced by “C”, and so on. Similarly “a” will be replaced by “b” etc. However, “Z” should be replaced by “A” and “z” should be replaced by “a”.
Digits must be replaced by subtracting it from 9 for example 0 should be replaced by 9 (9-0=9), 1 should be replaced by 8 (9-1=8), 2 should be replaced by 7 (9-2=7)………… and 9 should be replaced by 0 (9-9=0).

Spaces should be replaced by $ and $ should be replaced by space

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