blob: 567bf5561a482b49eae708afc4d02ba45953a254 [file] [log] [blame]
// Copyright 2014 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.
#include "trunks/tpm_state.h"
#include <base/macros.h>
#include "trunks/tpm_generated.h"
#include "trunks/trunks_export.h"
namespace trunks {
class TrunksFactory;
// TpmStateImpl is the default implementation of the TpmState interface.
class TRUNKS_EXPORT TpmStateImpl : public TpmState {
explicit TpmStateImpl(const TrunksFactory& factory);
~TpmStateImpl() override;
// TpmState methods.
TPM_RC Initialize() override;
bool IsOwnerPasswordSet() override;
bool IsEndorsementPasswordSet() override;
bool IsLockoutPasswordSet() override;
bool IsOwned() override;
bool IsInLockout() override;
bool IsPlatformHierarchyEnabled() override;
bool IsStorageHierarchyEnabled() override;
bool IsEndorsementHierarchyEnabled() override;
bool IsEnabled() override;
bool WasShutdownOrderly() override;
bool IsRSASupported() override;
bool IsECCSupported() override;
uint32_t GetLockoutCounter() override;
uint32_t GetLockoutThreshold() override;
uint32_t GetLockoutInterval() override;
uint32_t GetLockoutRecovery() override;
// This helped method calls Tpm2_GetCapability with TPM_CAP_TPM_PROPERTIES
// and |property|. The returned structure is validated, and the value returned
// is stored in the out argument |value|. Returns TPM_RC_SUCCESS on success.
TPM_RC GetTpmProperty(uint32_t property, uint32_t* value);
const TrunksFactory& factory_;
bool initialized_;
TPMA_PERMANENT permanent_flags_;
TPMA_STARTUP_CLEAR startup_clear_flags_;
uint32_t lockout_counter_;
uint32_t lockout_threshold_;
uint32_t lockout_interval_;
uint32_t lockout_recovery_;
TPMA_ALGORITHM rsa_flags_;
TPMA_ALGORITHM ecc_flags_;
} // namespace trunks