Can someone help me with this? This is part of my first assignment.
I am quite new to programming.
A company wants to transmit data over the telephone, but they are concerned that their phones are tapped. All of their data are transmitted as four-digit integers. They wanted you to write a program that encrypts their data so that it can be transmitted securely. Your program should read a four-digit integer and encrypts it as follows : Add 7 to each digit and modulus 10. Then swap the first with the third and the second with the fourth. Lastly, display the data before and after encryption.
This requires to have a PAC Chart, IPO chart, Algorithm, Flowchart, Data Dictionary, C++ code