/**
* Authenticate with the WhatsApp Server.
*
* @return string Returns binary string
*/
protected function authenticate()
{
$keys = KeyStream::GenerateKeys(base64_decode($this->password), $this->parent->getChallengeData());
$this->inputKey = new KeyStream($keys[2], $keys[3]);
$this->outputKey = new KeyStream($keys[0], $keys[1]);
$return = CustGetHex($keys[0]);
echo "{$return} \n";
$return = CustGetHex($keys[1]);
echo "{$return} \n";
$return = CustGetHex($keys[2]);
echo "{$return} \n";
$return = CustGetHex($keys[3]);
echo "{$return} \n";
$ttt = time();
file_put_contents(__DIR__ . '/log.txt', $ttt . "\n", FILE_APPEND);
$chd = $this->parent->getChallengeData();
$return = CustGetHex($chd);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
$array = "" . $this->phoneNumber . $this->parent->getChallengeData() . '' . time() . '000' . hex2bin('00') . '000' . hex2bin('00') . Constants::OS_VERSION . hex2bin('00') . Constants::MANUFACTURER . hex2bin('00') . Constants::DEVICE . hex2bin('00') . Constants::BUILD_VERSION;
$return = CustGetHex($array);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
$response = $this->outputKey->EncodeMessage($array, 0, 4, strlen($array) - 4);
$this->parent->setOutputKey($this->outputKey);
$return = CustGetHex($response);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
return $response;
}
// file_put_contents(__DIR__.'/log.txt', $return."\n", FILE_APPEND);
}
$inputKey = new KeyStream($keys[2], $keys[3]);
$outputKey = new KeyStream($keys[0], $keys[1]);
/* $array = "\0\0\0\0".$this->phoneNumber.$this->parent->getChallengeData().''.time().'000'
.hex2bin('00').'000'.hex2bin('00')
.Constants::OS_VERSION.hex2bin('00').Constants::MANUFACTURER.hex2bin('00').Constants::DEVICE.hex2bin('00').Constants::BUILD_VERSION;
*/
$buffer = "" . "79250069542";
/* for($i = 0; $i < count($ChallengeData); $i++) {
$buffer .=sprintf('%02.x', $ChallengeData[$i]);
} */
$buffer .= $ChallengeData;
//uffer .= ''."1460340975"; // time
$buffer .= '' . "1460432318";
// time
$buffer .= "000";
$buffer .= hex2bin('00') . '000' . hex2bin('00') . Constants::OS_VERSION . hex2bin('00') . Constants::MANUFACTURER . hex2bin('00') . Constants::DEVICE . hex2bin('00') . Constants::BUILD_VERSION;
$return = CustGetHex($buffer);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
$out = $outputKey->EncodeMessage($buffer, 0, 4, strlen($buffer) - 4);
//echo "$out \n";
$return = CustGetHex($out);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
echo $return;
$node = new ProtocolNode('response', null, null, $out);
$writer = new BinTreeNodeWriter();
$encdata = $writer->write($node, true);
$return = CustGetHex($encdata);
file_put_contents(__DIR__ . '/log.txt', $return . "\n", FILE_APPEND);
echo $return;
