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2FA, also known as 2-step verification, helps you to secure your Facebook account more. Once you have entered your Facebook login password, you will need to provide an additional random 6-digit code provided by the 2FA code generator. However, if you don’t have a phone, you can still make your own 2FA code site. Below is the source Code to get the 2FA code like 2fa.live. Proceed as follows:

Share Code to get 2FA code like 2fa.live

The source code below you can use to install xampp to run php on Windows or upload to hosting.

Create File Name GoogleAuthenticator.php with content

<?php

class PHPGangsta_GoogleAuthenticator
{
    protected $_codeLength = 6;

    
    public function createSecret($secretLength = 16)
    {
        $validChars = $this->_getBase32LookupTable();

        
        if ($secretLength < 16 || $secretLength > 128) {
            throw new Exception('Bad secret length');
        }
        $secret="";
        $rnd = false;
        if (function_exists('random_bytes')) {
            $rnd = random_bytes($secretLength);
        } elseif (function_exists('mcrypt_create_iv')) {
            $rnd = mcrypt_create_iv($secretLength, MCRYPT_DEV_URANDOM);
        } elseif (function_exists('openssl_random_pseudo_bytes')) {
            $rnd = openssl_random_pseudo_bytes($secretLength, $cryptoStrong);
            if (!$cryptoStrong) {
                $rnd = false;
            }
        }
        if ($rnd !== false) {
            for ($i = 0; $i < $secretLength; ++$i) {
                $secret .= $validChars[ord($rnd[$i]) & 31];
            }
        } else {
            throw new Exception('No source of secure random');
        }

        return $secret;
    }

  
    public function getCode($secret, $timeSlice = null)
    {
        if ($timeSlice === null) {
            $timeSlice = floor(time() / 30);
        }

        $secretkey = $this->_base32Decode($secret);

        $time = chr(0).chr(0).chr(0).chr(0).pack('N*', $timeSlice);
        
        $hm = hash_hmac('SHA1', $time, $secretkey, true);
        
        $offset = ord(substr($hm, -1)) & 0x0F;
        
        $hashpart = substr($hm, $offset, 4);

        $value = unpack('N', $hashpart);
        $value = $value[1];
        $value = $value & 0x7FFFFFFF;

        $modulo = pow(10, $this->_codeLength);

        return str_pad($value % $modulo, $this->_codeLength, '0', STR_PAD_LEFT);
    }

    
    public function setCodeLength($length)
    {
        $this->_codeLength = $length;

        return $this;
    }

    
    protected function _base32Decode($secret)
    {
        if (empty($secret)) {
            return '';
        }

        $base32chars = $this->_getBase32LookupTable();
        $base32charsFlipped = array_flip($base32chars);

        $paddingCharCount = substr_count($secret, $base32chars[32]);
        $allowedValues = array(6, 4, 3, 1, 0);
        if (!in_array($paddingCharCount, $allowedValues)) {
            return false;
        }
        for ($i = 0; $i < 4; ++$i) {
            if ($paddingCharCount == $allowedValues[$i] &&
                substr($secret, -($allowedValues[$i])) != str_repeat($base32chars[32], $allowedValues[$i])) {
                return false;
            }
        }
        $secret = str_replace('=', '', $secret);
        $secret = str_split($secret);
        $binaryString = '';
        for ($i = 0; $i < count($secret); $i = $i + 8) {
            $x = '';
            if (!in_array($secret[$i], $base32chars)) {
                return false;
            }
            for ($j = 0; $j < 8; ++$j) {
$x .= str_pad(base_convert(@$base32charsFlipped[@$secret[$i + $j]], 10, 2), 5, '0', STR_PAD_LEFT);
            }
            $eightBits = str_split($x, 8);
            for ($z = 0; $z < count($eightBits); ++$z) {
                $binaryString .= (($y = chr(base_convert($eightBits[$z], 2, 10))) || ord($y) == 48) ? $y : '';
            }
        }

        return $binaryString;
    }

    
    protected function _getBase32LookupTable()
    {
        return array(
            'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', //  7
            'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', // 15
            'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', // 23
            'Y', 'Z', '2', '3', '4', '5', '6', '7', // 31
            '=',  // padding char
        );
    }

   
    private function timingSafeEquals($safeString, $userString)
    {
        if (function_exists('hash_equals')) {
            return hash_equals($safeString, $userString);
        }
        $safeLen = strlen($safeString);
        $userLen = strlen($userString);

        if ($userLen != $safeLen) {
            return false;
        }

        $result = 0;

        for ($i = 0; $i < $userLen; ++$i) {
            $result |= (ord($safeString[$i]) ^ ord($userString[$i]));
        }

        
        return $result === 0;
    }
}

?>

Create files 2fa.php with content:

<?php 

require_once 'GoogleAuthenticator.php';

if (isset($_GET['key']))
{
    $key = trim($_GET['key']);
    $ga = new PHPGangsta_GoogleAuthenticator();
    $code = $ga->getCode($key);
    $list = [
    "key"=>$key,
    "code"=>$code
    ];
    $daucatmoi = json_encode($list, JSON_PRETTY_PRINT);
    $memay = json_decode($daucatmoi, true);
    echo $memay['code'];
}
?>

Upload to Hosting. So we have the same source code for 2FA as 2fa.live.

Activate 2FA on Facebook to get secret code

You access the link to enable 2FA for the application at: https://www.facebook.com/security/2fac/settings

Navigate to Authenticator -> Setup

On the screen will display a QR code and a secret code, you need to copy this secret code to notepad and save it on your computer. This secret code is used to get Facebook’s 2FA code

Now we have the secret code: MM5B7S2J605NE4CSXXXXXXXXX (please remove the spaces).

Now to get 2FA we do the following:

Enter the secret code after the = sign. Eg: https://domain.com/2fa.php?key=mã-bí-mật (Replace domain to your domain name)

Example: https://domain.com/2fa.php?key=MM5B7S2J605NE4CSXXXXXXXXX

The sequence of numbers below is a 2FA code for you to authenticate with Facebook.

If anyone does not understand, please comment below, tomorrow I will guide you in detail with pictures step by step

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