#include <iostream>
#include <conio.h>
#include <windows.h>

using namespace std;

class PasswordInput
{
private:
    string password; /* The string to store the password */
public:
    /* string passed to it will be the actual password */
	PasswordInput(string pass) : password(pass) { }
    void Input() /* Get the password from the user */
    {
		string input; /* The string to store the input */
        while (true) /* Infinite loop until RETURN is pressed */
        {
            char temp;
            temp = getch(); /* wait for user input a character */
            /* check if it return was pressed, if so exit the loop */
            if (GetAsyncKeyState(VK_RETURN))
                break;
            input += temp;
            cout << '*';
        }
        if (password==input) /* If they match, user could gain access to something */
            cout << "\nThat's correct!";
        else /* Otherwise, tell them it's wrong */
            cout << "\nThat's wrong!";
    }
};

int main()
{
	PasswordInput pass("passme");
    pass.Input(); /* Get the input from the user and compare if it's the password */
}