public function send(ServerMessage\Crypt $message)
{
$message->prepend(ByteConverter::IntSixteenBits($message->getLength()));
if (!socket_send($this->socket, $message, strlen($message), 0)) {
$this->error();
}
return $this;
}
public function encrypt()
{
if (!$this->getMessage()) {
throw new CipherException('Lack of message. Use setMessage() first.', 1);
}
if (!$this->getKey()) {
throw new CipherException('Lack of encrypt key. Use setKey() first.', 2);
}
$this->prepare();
$this->addPad();
$this->addChecksum();
$ivec = $this->getRandom(self::DES_BLOCK_SIZE);
$this->cipher->setIv($ivec);
$crypt = new ServerMessage\Crypt();
$crypt->set('');
$length = $this->getMessage()->getLength();
for ($i = 0; $i < $length; $i += self::DES_BLOCK_SIZE) {
$range = $this->getMessage()->getRange($i, self::DES_BLOCK_SIZE);
$des = $this->cipher->encrypt($range);
$crypt->append($des);
$this->cipher->setIv($des);
}
$crypt->append($ivec);
return $crypt;
}