With the development of the 5G technology, the realization of the Vehicular Ad Hoc Network and the automatic driving have become one step closer. The system within the vehicular itself has evolved to become rather complicated with various components. Thus, the efficient malicious components detection and integrity inspection has become an important issue. In this paper, a practical and provable secure in-vehicle components protection scheme is proposed to support the component detection, secure component replacement and software update. Securit...