OSSL_PKEY_PARAM_RSA_TEST_XP
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP)) != NULL
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP, NULL, 0),
|| !TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_RSA_TEST_XP,