|  | #!/bin/bash | 
|  | # SPDX-License-Identifier: GPL-2.0 | 
|  | # | 
|  | # Copyright (C) 2022 Red Hat, Inc. | 
|  | # Author: Vladis Dronov <vdronoff@gmail.com> | 
|  | # | 
|  | # This script runs (via instmod) test-cipher.ko module which invokes | 
|  | # generic and s390-native ChaCha20 encryprion algorithms with different | 
|  | # size of data. Check 'dmesg' for results. | 
|  | # | 
|  | # The insmod error is expected: | 
|  | # insmod: ERROR: could not insert module test_cipher.ko: Operation not permitted | 
|  |  | 
|  | lsmod | grep chacha | cut -f1 -d' ' | xargs rmmod | 
|  | modprobe chacha_generic | 
|  | modprobe chacha_s390 | 
|  |  | 
|  | # run encryption for different data size, including whole block(s) +/- 1 | 
|  | insmod test_cipher.ko size=63 | 
|  | insmod test_cipher.ko size=64 | 
|  | insmod test_cipher.ko size=65 | 
|  | insmod test_cipher.ko size=127 | 
|  | insmod test_cipher.ko size=128 | 
|  | insmod test_cipher.ko size=129 | 
|  | insmod test_cipher.ko size=511 | 
|  | insmod test_cipher.ko size=512 | 
|  | insmod test_cipher.ko size=513 | 
|  | insmod test_cipher.ko size=4096 | 
|  | insmod test_cipher.ko size=65611 | 
|  | insmod test_cipher.ko size=6291456 | 
|  | insmod test_cipher.ko size=62914560 | 
|  |  | 
|  | # print test logs | 
|  | dmesg | tail -170 |