SIGALG_OID
sigalgnid = OBJ_txt2nid(SIGALG_OID);
|| !c_obj_create(handle, SIGALG_OID, SIGALG_SN, SIGALG_LN))
if (!c_obj_add_sigid(handle, SIGALG_OID, DIGEST_SN, SIG_LN))