src/chromiumos/tast/common/hwsec/tpm_clearer.go

// Copyright 2021 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.

package hwsec

import (
	"context"
)

// TPMClearer is an interface of to clear the TPM.
type TPMClearer interface {
	// PreClearTPM should be called before stop high-level TPM daemons
	PreClearTPM(ctx context.Context) error

	// ClearTPM should be called before clean the data on device
	ClearTPM(ctx context.Context) error

	// PostClearTPM should be called after clean the data on device
	PostClearTPM(ctx context.Context) error
}

// SystemStateFiles represents the files that contining system states.
var SystemStateFiles = []string{
	"/home/.shadow",
	"/home/chronos/.oobe_completed",
	"/home/chronos/Local State",
	"/mnt/stateful_partition/.tpm_owned",
	"/run/cryptohome",
	"/run/lockbox/*",
	"/run/tpm_manager",
	"/var/cache/app_pack",
	"/var/cache/shill/default.profile",
	"/var/lib/boot-lockbox",
	"/var/lib/bootlockbox",
	"/var/lib/chaps",
	"/var/lib/cryptohome",
	"/var/lib/public_mount_salt",
	"/var/lib/tpm_manager",
	"/var/lib/tpm",
	"/var/lib/u2f",
	"/var/lib/whitelist",
}