public class SecurityManager
{
  public static void CreateUser()
  {
    Console.WriteLine("Enter a username");
    var username = Console.ReadLine();
    Console.WriteLine("Enter your full name");
    var fullName = Console.ReadLine();
    Console.WriteLine("Enter your password");
    var password = Console.ReadLine();
    Console.WriteLine("Re-enter your password");
    var confirmPassword = Console.ReadLine();

    if (password != confirmPassword)
    {
      Console.WriteLine("The passwords don't match");
      return;
    }

    if (password.Length < 8)
    {
      Console.WriteLine("Password must be at least 8 characters in length");
      return;
    }

    // Encrypt the password (just reverse it, should be secure)
    char[] array = password.ToCharArray();
    Array.Reverse(array);

    Console.Write(String.Format("Saving Details for User ({0}, {1}, {2})\n",
      username,
      fullName,
      new string(array)));
  }
}