Caesar cipher

// Caesar cipher program using System; class Submission { // ------------------------- // Subprograms // ------------------------- static string encrypt_message(string message) { int key = 5; string encrypted_message = ""; foreach (char character in message) { int ascii_code = Convert.ToInt32(character); ascii_code = ascii_code + key; if (ascii_code > 126) { ascii_code = 32 + ascii_code - 127; } encrypted_message = encrypted_message + Convert.ToChar(ascii_code); } return encrypted_message; } // ------------------------- // Main program // ------------------------- public static void Main(string[] args) { Console.WriteLine("Enter a message: "); string actual_message = Console.ReadLine(); string stored_message = encrypt_message(actual_message); Console.WriteLine($"Message to send: {stored_message}"); } }