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/*
* Copyright (C) 2014-2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Forward.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
struct WrappedCryptoKey;
// The purpose of the following APIs is to protect serialized CryptoKey data in IndexedDB or
// any other local storage that go through the structured clone algorithm. However, a side effect
// of this extra layer of protection is redundant communications between mainThread(document) and
// workerThreads. Please refer to WorkerGlobalScope for detailed explanation. P.S. This extra layer
// of protection is not required by the spec as of 11 December 2014:
// https://www.w3.org/TR/WebCryptoAPI/#security-developers
WEBCORE_EXPORT std::optional<Vector<uint8_t>> defaultWebCryptoMasterKey();
WEBCORE_EXPORT bool deleteDefaultWebCryptoMasterKey();
WEBCORE_EXPORT bool wrapSerializedCryptoKey(const Vector<uint8_t>& masterKey, const Vector<uint8_t>& key, Vector<uint8_t>& result);
WEBCORE_EXPORT std::optional<WrappedCryptoKey> readSerializedCryptoKey(const Vector<uint8_t>& wrappedKey);
WEBCORE_EXPORT std::optional<Vector<uint8_t>> unwrapCryptoKey(const Vector<uint8_t>& masterKey, const struct WrappedCryptoKey& wrappedKey);
} // namespace WebCore
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