78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
//
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// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef TRUNKS_TPM_STATE_IMPL_H_
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#define TRUNKS_TPM_STATE_IMPL_H_
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#include "trunks/tpm_state.h"
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#include <base/macros.h>
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#include "trunks/tpm_generated.h"
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#include "trunks/trunks_export.h"
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namespace trunks {
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class TrunksFactory;
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// TpmStateImpl is the default implementation of the TpmState interface.
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class TRUNKS_EXPORT TpmStateImpl : public TpmState {
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public:
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explicit TpmStateImpl(const TrunksFactory& factory);
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~TpmStateImpl() override;
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// TpmState methods.
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TPM_RC Initialize() override;
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bool IsOwnerPasswordSet() override;
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bool IsEndorsementPasswordSet() override;
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bool IsLockoutPasswordSet() override;
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bool IsOwned() override;
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bool IsInLockout() override;
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bool IsPlatformHierarchyEnabled() override;
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bool IsStorageHierarchyEnabled() override;
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bool IsEndorsementHierarchyEnabled() override;
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bool IsEnabled() override;
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bool WasShutdownOrderly() override;
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bool IsRSASupported() override;
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bool IsECCSupported() override;
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uint32_t GetLockoutCounter() override;
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uint32_t GetLockoutThreshold() override;
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uint32_t GetLockoutInterval() override;
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uint32_t GetLockoutRecovery() override;
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private:
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// This helped method calls Tpm2_GetCapability with TPM_CAP_TPM_PROPERTIES
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// and |property|. The returned structure is validated, and the value returned
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// is stored in the out argument |value|. Returns TPM_RC_SUCCESS on success.
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TPM_RC GetTpmProperty(uint32_t property, uint32_t* value);
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const TrunksFactory& factory_;
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bool initialized_;
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TPMA_PERMANENT permanent_flags_;
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TPMA_STARTUP_CLEAR startup_clear_flags_;
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uint32_t lockout_counter_;
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uint32_t lockout_threshold_;
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uint32_t lockout_interval_;
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uint32_t lockout_recovery_;
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TPMA_ALGORITHM rsa_flags_;
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TPMA_ALGORITHM ecc_flags_;
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DISALLOW_COPY_AND_ASSIGN(TpmStateImpl);
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};
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} // namespace trunks
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#endif // TRUNKS_TPM_STATE_IMPL_H_
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