| // 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. |
| |
| #ifndef TRUNKS_TPM_STATE_IMPL_H_ |
| #define TRUNKS_TPM_STATE_IMPL_H_ |
| |
| #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 { |
| public: |
| 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; |
| |
| private: |
| // 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TpmStateImpl); |
| }; |
| |
| } // namespace trunks |
| |
| #endif // TRUNKS_TPM_STATE_IMPL_H_ |