public void renewCA(Admin admin, int caid, IResponseMessage responcemessage) throws CADoesntExistsException, AuthorizationDeniedException;
public void renewCA(Admin admin, int caid, IResponseMessage responcemessage) throws CADoesntExistsException, AuthorizationDeniedException, CertPathValidatorException;
  public void renewCA(Admin admin, int caid, IResponseMessage responcemessage) throws CADoesntExistsException, AuthorizationDeniedException;