Password Program in C++

A very simple password program that I wrote before in C++.

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Program Listing

#include <iostream>

#include <conio.h>

#include <string>

using namespace std;

const int PASSLEN = 4;

string passget();

void start()

{

string password;

cout << "\n\n";

cout << "\t PASSWORD SECURITY VERSION 1.0";

cout << "\n\n";

cout << "Enter Your Password: ";

password = passget();

if (password == "jake") {

    cout << "\n\n";

    cout << "Password Accepted";

    cout << "\n\n\n";

    cout << "\t\t Thank You For Using this Software";

}

else {

    cout << "\n\n";

    cout << "Password Denied Try Again !!!";

    start();

}

}  // End of Start Function

int main()

{

    start();

getch();

}

string passget()

{

char password[PASSLEN], letter;

int loop;

int len;

string password2;

//Get Password and replace letters with *--------------

loop = 0;

while(loop != PASSLEN)

{

password[loop] = '\0';

loop++;

}

loop = 0;

len = 0;

letter = '\0';

while( letter != '\r' )

{

letter = getch();

if( letter == '\b' && password[0] == '\0')

{

loop = 0;

len = 0;

}

else

{

if( letter == '\b' && password[0] != '\0')

{

cout << "\b";

cout << " ";

cout << "\b";

loop--;

password[loop] = '\0';

len--;

}

else

{

if( isprint( letter ) != 0 && loop < PASSLEN)

{

password[loop] = tolower(letter);

cout << "*" ;

}

loop++;

if (loop <= PASSLEN)

len++;

}

}

}

//Convert Password from character array to string

loop = 0;

len = len;

password2 = "";

while (loop != len)

{

password2 = password2+password[loop];

loop++;

}

return password2;

 } // End of Function Password