platform_system_vold/KeyBuffer.cpp
Pavel Grafov e2e2d308df Zero memory used for encryuption keys.
std::vector with custom zeroing allocator is used instead of
std::string for data that can contain encryption keys.

Bug: 64201177
Test: manually created a managed profile, changed it's credentials
Test: manually upgraded a phone with profile from O to MR1.
Change-Id: Ic31877049f69eba9f8ea64fd99acaaca5a01d3dd
2017-08-10 17:31:03 +01:00

37 lines
1 KiB
C++

/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "KeyBuffer.h"
#include <algorithm>
#include <cstring>
namespace android {
namespace vold {
KeyBuffer operator+(KeyBuffer&& lhs, const KeyBuffer& rhs) {
std::copy(rhs.begin(), rhs.end(), std::back_inserter(lhs));
return std::move(lhs);
}
KeyBuffer operator+(KeyBuffer&& lhs, const char* rhs) {
std::copy(rhs, rhs + strlen(rhs), std::back_inserter(lhs));
return std::move(lhs);
}
} // namespace vold
} // namespace android