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 * Copyright (C) 2014-2025 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 */

#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 void getDefaultWebCryptoMasterKey(CompletionHandler<void(std::optional<Vector<uint8_t>>&&)>&&);
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
