//Programmer: Hermione k.

//Date: May 11-15

//Project: Cryptography App

//Description: seeing the ecrypted message, which was used during the WW2

using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Encryption App");

        Console.WriteLine(new String('-', 50));

        //Taking in secret message to be encrypted

        Console.WriteLine("Please enter in your secret message");

        string message = Console.ReadLine();

        //Represents the ascii Value of character

        int asciValue = 0;

        //Represents a character int of the message

        string character = "";

        //Defines the Ascii Value of Character

        //Makes a new character

        string Nc = "";

        Console.WriteLine("The Encrypted Message Is: ");

        for (int H = 0; H < message.Length; H++)

        {

            character = message.Substring(H, 1); //This gives it to the individual characters

            asciValue = char.ConvertToUtf32(character, 0);

            if (asciValue >= 65 && asciValue <= 87)

            {

                Nc += char.ConvertFromUtf32(asciValue + 3);

            }

            else if (asciValue >= 97 && asciValue <= 119)

            {

                Nc += char.ConvertFromUtf32(asciValue + 3);

            }

            else if (asciValue >= 88 && asciValue <= 90 || asciValue >= 120 && asciValue <= 122)

            {

                Nc += char.ConvertFromUtf32(asciValue - 23);

            }

            else

            {

                Nc += character;

            }

        }

​

        Console.WriteLine(Nc);

    }

}