47 lines
1.5 KiB
C++
47 lines
1.5 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 <string>
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#include <json/json.h>
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#include <tss2/tss2_tpm2_types.h>
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namespace cuttlefish {
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/**
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* Data storage tailored to Gatekeeper's storage needs: storing binary blobs
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* that can be destroyed without a trace or corrupted with an obvious trace, but
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* not silently tampered with or read by an unauthorized user.
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*
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* Data can be stored through Write and retrieved through Read. To delete data,
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* issue a Write that overwrites the data to destroy it.
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*/
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class GatekeeperStorage {
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public:
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virtual ~GatekeeperStorage() = default;
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virtual bool Allocate(const Json::Value& key, uint16_t size) = 0;
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virtual bool HasKey(const Json::Value& key) const = 0;
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virtual std::unique_ptr<TPM2B_MAX_NV_BUFFER> Read(const Json::Value& key)
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const = 0;
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virtual bool Write(const Json::Value& key, const TPM2B_MAX_NV_BUFFER& data)
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= 0;
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};
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} // namespace cuttlefish
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