Need the Code in C languageor or C++

We will make the Playfair Cipher using MBED microcontroller.

Playfair Cipher: It is a 5x5 matrix of letters based on a keyword.

using Mbed simulation online

Your application should work like this: Generate a random string from 8-carachters, this random string will be the string that we need to encrypt it. Your application should contain these components: ====== C12832 Cp5, p6, p7) 32 OOOO Mbed microcontroller Serial Analog In Push Button (10) The first row at the LCD will display the original string. The second row at the LCD will display the encrypted string, only when the push button is clicked. You should use your first name as a keyword for the algorithm