NULL cipher is used for validating auth only cases. With NULL cipher,
validating plain text should not be done as the PMD is only expected
to update auth data.
Fixes: e847fc5128 ("test/crypto: add encrypted digest case for AES-CTR-CMAC")
Cc: stable@dpdk.org
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Acked-by: Ciara Power <ciara.power@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
9fc69835fe