public static function GenerateSecretKeyMessageEvent(User $user, PacketParser $packet, ClassContainer $util)
{
if ($util->Config->Get("crypto.enabled")) {
$rsadata = $packet->readString();
$user->DH->GenerateSharedKey(String::Replace($util->RSA->Verify($rsadata), chr(0), ""));
$response = new PacketConstructor();
$response->SetHeader($util->HeaderManager->Outgoing("SecretKeyMessageComposer"));
$response->WriteString($util->RSA->Sign($user->DH->GetPublicKey()));
$response->WriteBoolean(true);
$user->Send($response->Finalize());
$user->rc4client = new RC4();
$user->rc4server = new RC4();
$user->rc4client->Init($user->DH->GetSharedKey(true));
$user->rc4server->Init($user->DH->GetSharedKey(true));
$user->rc4initialized = true;
} else {
$response = new PacketConstructor();
$response->SetHeader($util->HeaderManager->Outgoing("SecretKeyMessageComposer"));
$response->WriteString("Crypto disabled");
$response->WriteBoolean(false);
$user->Send($response->Finalize());
}
}
