blob: 5e22b4efb49af558d2483ffabf53520009a1caab [file] [log] [blame]
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
from autotest_lib.client.bin import test, utils
from autotest_lib.client.common_lib import error
class hardware_TPMLoadKey(test.test):
# This test determines the TPM can execute a TPM LoadKey function
# The test sequence follows the steps below:
# 1. Create a local file containing a text file to be "sealed"
# 2. Execute the TPM Tools command for tpm_sealdata
# 3. Parse response of tpm_sealdata for LoadKey function execution
# 4. Test passes if LoadKey reports success.
version = 1
# Runs a command, logs the output, and returns the exit status.
def __run_cmd(self, cmd):
result = utils.system_output(cmd, retain_output=True,
return result
def run_once(self):
# Create the test input file
create_input_file_cmd = "echo 'This is a test' > in.dat"
output = self.__run_cmd(create_input_file_cmd)
# Execute the TPM Tools command for sealdata, causing a LoadKey
# event, and filter for a debug message indicating success
seal_data_cmd = \
"tpm_sealdata -i in.dat -o out.dat -z -l debug 2>&1 | grep LoadKey"
output = self.__run_cmd(seal_data_cmd)
# Confirm the LoadKey message reports success
if (output.find("success") < 0):
raise error.TestError("LoadKey execution did not succeed")