1) Write a C++ console program in three parts. Header file, driver file and implementation file. You will read in a three by three matrix . Convert the letters into their numeric representation. Print the numeric representation.
2) Encrypt a message and print out the encrypted message.
3) Calculate the inverse matrix and print it out in matrix format (row major order).
4) Decode the message and print out the code before the mod 26 adjustment and after the mod 26 adjustment in numeric and plain text, respectively.
| B B C |
| G F E |
| C B B |