Function test_mod_exp

dpdk/app/test/test_cryptodev_asym.c:1112–1221

}

static int
test_mod_exp(void)
{
	struct crypto_testsuite_params_asym *ts_params = &testsuite_params;
	struct rte_mempool *op_mpool = ts_params->op_mpool;
	struct rte_mempool *sess_mpool = ts_params->session_mpool;
	uint8_t dev_id = ts_params->valid_devs[0];
	struct rte_crypto_asym_op *asym_op = NULL;
	struct rte_crypto_op *op = NULL, *result_op = NULL;
	void *sess = NULL;
	int status = TEST_SUCCESS;
	struct rte_cryptodev_asym_capability_idx cap_idx;
	const struct rte_cryptodev_asymmetric_xform_capability *capability;
	uint8_t input[TEST_DATA_SIZE] = {0};
	int ret = 0;
	uint8_t result[sizeof(mod_p)] = { 0 };

	if (rte_cryptodev_asym_get_xform_enum(&modex_xform.xform_type,
		"modexp")
		< 0) {
		RTE_LOG(ERR, USER1,
				"Invalid ASYM algorithm specified\n");
		return -1;
	}

	/* check for modlen capability */
	cap_idx.type = modex_xform.xform_type;
	capability = rte_cryptodev_asym_capability_get(dev_id, &cap_idx);

	if (capability == NULL) {
		RTE_LOG(INFO, USER1,
			"Device doesn't support MOD EXP. Test Skipped\n");
		return TEST_SKIPPED;
	}

	if (rte_cryptodev_asym_xform_capability_check_modlen(
			capability, modex_xform.modex.modulus.length)) {
		RTE_LOG(ERR, USER1,
				"Invalid MODULUS length specified\n");
				return TEST_SKIPPED;
		}

	/* Create op, create session, and process packets. 8< */
	op = rte_crypto_op_alloc(op_mpool, RTE_CRYPTO_OP_TYPE_ASYMMETRIC);
	if (!op) {
		RTE_LOG(ERR, USER1,
			"line %u FAILED: %s",
			__LINE__, "Failed to allocate asymmetric crypto "
			"operation struct");
		status = TEST_FAILED;
		goto error_exit;
	}

	ret = rte_cryptodev_asym_session_create(dev_id, &modex_xform, sess_mpool, &sess);
	if (ret < 0) {
		RTE_LOG(ERR, USER1,
				 "line %u "
				"FAILED: %s", __LINE__,