52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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// Copyright (C) 2020 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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#pragma once
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#include <list>
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#include <mutex>
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#include <vector>
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#include <tss2/tss2_tcti.h>
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#include "host/commands/secure_env/tpm.h"
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namespace cuttlefish {
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/*
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* Exposes a TSS2_TCTI_CONTEXT for interacting with an in-process TPM simulator.
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*
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* TSS2_TCTI_CONTEXT is the abstraction for "communication channel to a TPM".
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* It is not safe to create more than one of these per process or per working
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* directory, as the TPM simulator implementation relies heavily on global
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* variables and files saved in the working directory.
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*
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* TODO(schuffelen): Consider moving this to a separate process with its own
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* working directory.
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*/
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class InProcessTpm : public Tpm {
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public:
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InProcessTpm();
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~InProcessTpm();
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TSS2_TCTI_CONTEXT* TctiContext() override;
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private:
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class Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace cuttlefish
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