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/*
* Copyright (C) 2013 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 "CryptoAlgorithmIdentifier.h"
#include "CryptoKey.h"
#include "CryptoKeyFormat.h"
#include "CryptoKeyPair.h"
#include "CryptoKeyUsage.h"
#include "ExceptionOr.h"
#include "JsonWebKey.h"
#include <pal/crypto/CryptoDigest.h>
#include <variant>
#include <wtf/Function.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/Vector.h>
#include <wtf/WorkQueue.h>
namespace WebCore {
class CryptoAlgorithmParameters;
class ScriptExecutionContext;
using KeyData = std::variant<Vector<uint8_t>, JsonWebKey>;
using KeyOrKeyPair = std::variant<RefPtr<CryptoKey>, CryptoKeyPair>;
class CryptoAlgorithm : public ThreadSafeRefCounted<CryptoAlgorithm> {
public:
virtual ~CryptoAlgorithm() = default;
virtual CryptoAlgorithmIdentifier identifier() const = 0;
using BoolCallback = Function<void(bool)>;
using KeyCallback = Function<void(CryptoKey&)>;
using KeyOrKeyPairCallback = Function<void(KeyOrKeyPair&&)>;
// FIXME: https://bugs.webkit.org/show_bug.cgi?id=169395
using VectorCallback = Function<void(const Vector<uint8_t>&)>;
using VoidCallback = Function<void()>;
using ExceptionCallback = Function<void(ExceptionCode)>;
using KeyDataCallback = Function<void(CryptoKeyFormat, KeyData&&)>;
virtual void encrypt(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
virtual void decrypt(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
virtual void sign(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
virtual void verify(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, Vector<uint8_t>&& signature, Vector<uint8_t>&&, BoolCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
virtual void digest(Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
virtual void generateKey(const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsageBitmap, KeyOrKeyPairCallback&&, ExceptionCallback&&, ScriptExecutionContext&);
virtual void deriveBits(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, std::optional<size_t> length, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&);
// FIXME: https://bugs.webkit.org/show_bug.cgi?id=169262
virtual void importKey(CryptoKeyFormat, KeyData&&, const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsageBitmap, KeyCallback&&, ExceptionCallback&&);
virtual void exportKey(CryptoKeyFormat, Ref<CryptoKey>&&, KeyDataCallback&&, ExceptionCallback&&);
virtual void wrapKey(Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&);
virtual void unwrapKey(Ref<CryptoKey>&&, Vector<uint8_t>&&, VectorCallback&&, ExceptionCallback&&);
virtual ExceptionOr<std::optional<size_t>> getKeyLength(const CryptoAlgorithmParameters&);
static void dispatchOperationInWorkQueue(WorkQueue&, ScriptExecutionContext&, VectorCallback&&, ExceptionCallback&&, Function<ExceptionOr<Vector<uint8_t>>()>&&);
static void dispatchOperationInWorkQueue(WorkQueue&, ScriptExecutionContext&, BoolCallback&&, ExceptionCallback&&, Function<ExceptionOr<bool>()>&&);
static void dispatchDigest(WorkQueue&, ScriptExecutionContext&, VectorCallback&&, ExceptionCallback&&, Vector<uint8_t>&& message, PAL::CryptoDigest::Algorithm);
};
} // namespace WebCore
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