Certificate cert = new Certificate("X.509", publicKey);
controller.messageRoom(command.getArg(2), new Message(controller.getUserName(command.getArg(2)), command.getArg(3), command.getArg(1), cert));
}
} catch (RoomDoesNotExistException e) {
cli.alert(e.getMessage());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}