26a53888a4
Protect all per-volume-per-user keys with a per-volume key, which is forgotten when the volume is forgotten. This means that the user's key is securely lost even when their storage is encrypted at forgetting time. Bug: 25861755 Test: create a volume, forget it, check logs and filesystem. Change-Id: I8df77bc91bbfa2258e082ddd54d6160dbf39b378
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/*
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* Copyright (C) 2016 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 ANDROID_VOLD_KEYUTIL_H
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#define ANDROID_VOLD_KEYUTIL_H
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#include "KeyBuffer.h"
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#include "KeyStorage.h"
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#include <string>
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#include <memory>
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namespace android {
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namespace vold {
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bool randomKey(KeyBuffer* key);
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bool installKey(const KeyBuffer& key, std::string* raw_ref);
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bool evictKey(const std::string& raw_ref);
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bool retrieveAndInstallKey(bool create_if_absent, const KeyAuthentication& key_authentication,
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const std::string& key_path, const std::string& tmp_path,
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std::string* key_ref);
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bool retrieveKey(bool create_if_absent, const std::string& key_path,
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const std::string& tmp_path, KeyBuffer* key);
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} // namespace vold
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} // namespace android
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#endif
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