Source/WebCore/crypto/algorithms/CryptoAlgorithmECDH.h

/*
 * Copyright (C) 2017 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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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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#pragma once

#include "CryptoAlgorithm.h"

#if ENABLE(WEB_CRYPTO)

namespace WebCore {

class CryptoKeyEC;

class CryptoAlgorithmECDH final : public CryptoAlgorithm {
public:
    static constexpr const char* s_name = "ECDH";
    static constexpr CryptoAlgorithmIdentifier s_identifier = CryptoAlgorithmIdentifier::ECDH;
    static Ref<CryptoAlgorithm> create();

    // Operations can be performed directly.
    WEBCORE_EXPORT static std::optional<Vector<uint8_t>> platformDeriveBits(const CryptoKeyEC&, const CryptoKeyEC&);

private:
    CryptoAlgorithmECDH() = default;
    CryptoAlgorithmIdentifier identifier() const final;

    void generateKey(const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsageBitmap, KeyOrKeyPairCallback&&, ExceptionCallback&&, ScriptExecutionContext&) final;
    void deriveBits(const CryptoAlgorithmParameters&, Ref<CryptoKey>&&, size_t length, VectorCallback&&, ExceptionCallback&&, ScriptExecutionContext&, WorkQueue&) final;
    void importKey(CryptoKeyFormat, KeyData&&, const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsageBitmap, KeyCallback&&, ExceptionCallback&&) final;
    void exportKey(CryptoKeyFormat, Ref<CryptoKey>&&, KeyDataCallback&&, ExceptionCallback&&) final;
};

} // namespace WebCore

#endif // ENABLE(WEB_CRYPTO)