A vehicle authenticates a component class of a prospective component for
use in the vehicle by obtaining from a certification authority a
certification that an authentic component of the component class is
associated with a second cryptographic key. The certification certifies
that the second cryptographic key is bound to information identifying an
authentic component of the component class. The vehicle utilizes the
second cryptographic key obtained from the certification authority in
cryptographic communication with the prospective component, and
determines whether the prospective component is an authentic component of
the component class based on whether the second cryptographic key is
successfully utilized in the cryptographic communication.