public function decode()
{
$core = $this->core;
list($vMajor, $vMinor) = $core->getVersion();
// Client
$connOut = $core->getOutDuplex();
// Server
$connIn = $core->getInDuplex();
// ECDHE
if ($core->cipherSuite->isECDHEEnabled()) {
$extensions = $core->extensions;
$data = $extensions->call('Curve', 'decodeClientKeyExchange', '');
$preMaster = $extensions->call('Curve', 'getPremaster', null);
} else {
$preMaster = Core::_pack('C', $vMajor) . Core::_pack('C', $vMinor) . Core::getRandom(46);
$crtDers = $core->getCrtDers();
$publicKey = X509::getPublicKey($crtDers);
openssl_public_encrypt($preMaster, $encPreMaster, $publicKey);
$data = Core::_pack('n', strlen($encPreMaster)) . $encPreMaster;
}
// Set Master Secret, IV and MAC
$this->setKeys($preMaster, $connIn, $connOut);
$this->msgType = HandshakeType::CLIENT_KEY_EXCHANGE;
$this->length = strlen($data);
return $this->getBinHeader() . $data;
}
public function decode()
{
$core = $this->core;
$extensions = $core->extensions;
$connOut = $core->getOutDuplex();
$sessionID = $core->getSessionID();
list($vMajor, $vMinor) = $core->getVersion();
// Set server random
$connOut->random = Core::getRandom(32);
$sessionLength = strlen($sessionID);
$data = Core::_pack('C', $vMajor) . Core::_pack('C', $vMinor) . $connOut->random . Core::_pack('C', $sessionLength);
if ($sessionLength > 0) {
$data .= $sessionID;
}
$cipherSuite = $core->cipherSuite;
list($cipher1, $cipher2) = $cipherSuite->getID();
$data .= Core::_pack('C', $cipher1) . Core::_pack('C', $cipher2);
// Compression method length
$data .= Core::_pack('C', 0x0);
$extData = $extensions->onDecodeServerHello();
if (strlen($extData) > 0) {
$data .= Core::_pack('n', strlen($extData)) . $extData;
}
$this->msgType = 2;
$this->length = strlen($data);
return $this->getBinHeader() . $data;
}
public function decode()
{
$core = $this->core;
$connOut = $core->getOutDuplex();
list($vMajor, $vMinor) = $core->getVersion();
// Set client random
$connOut->random = Core::getRandom(32);
// Set TLS Version
$data = Core::_pack('C', $vMajor) . Core::_pack('C', $vMinor);
// Client Random
$data .= $connOut->random;
// Session ID - no session
$data .= Core::_pack('C', 0x0);
// Cipher Suite
$cipherSuiteList = CipherSuites::decodeCipherList();
$data .= Core::_pack('n', strlen($cipherSuiteList)) . $cipherSuiteList;
// Compression method
$data .= Core::_pack('C', 0x1) . Core::_pack('C', $core->getCompressionMethod());
// Extension Length
//$data .= Core::_pack('n', 0x00);
$extensionData = $core->extensions->onDecodeClientHello();
$data .= Core::_pack('n', strlen($extensionData)) . $extensionData;
$this->msgType = HandshakeType::CLIENT_HELLO;
$this->length = strlen($data);
return $this->getBinHeader() . $data;
}
/**
* @Override
*/
public function decode()
{
$conn = $this->conn;
$core = $conn->getCore();
$cipherSuite = $core->cipherSuite;
$sharedKey = $conn->Key;
$ivLen = $cipherSuite->getIVLen();
$macLen = $cipherSuite->getMACLen();
$MAC = $this->calculateMAC();
$IV = Core::getRandom($ivLen);
$data = $this->payload . $MAC;
// Calculate and append padding
$fpd = function ($l, $bz) {
return $l + $bz - $l % $bz - $l;
};
$paddingLength = $fpd(strlen($this->payload . $MAC) + 1, $ivLen);
$data .= Core::_pack('C', $paddingLength);
$encData = $cipherSuite->blockEncrypt($data, $sharedKey, $IV);
if (false === $encData) {
throw new TLSAlertException(Alert::create(Alert::BAD_RECORD_MAC), "Cipher block encryption failed");
}
$encData = $IV . $encData;
$this->incrementSeq();
if ($this->contentType == ContentType::HANDSHAKE) {
$core->countHandshakeMessages($this->payload);
}
$this->set('payload', $encData);
return parent::decode();
}
