Source/WebCore/crypto/parameters/CryptoAlgorithmPbkdf2Params.h

/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
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#pragma once

#include "BufferSource.h"
#include "CryptoAlgorithmParameters.h"
#include <JavaScriptCore/JSObject.h>
#include <JavaScriptCore/Strong.h>
#include <wtf/Vector.h>

#if ENABLE(WEB_CRYPTO)

namespace WebCore {

class CryptoAlgorithmPbkdf2Params final : public CryptoAlgorithmParameters {
public:
    BufferSource salt;
    unsigned long iterations;
    // FIXME: Consider merging hash and hashIdentifier.
    std::variant<JSC::Strong<JSC::JSObject>, String> hash;
    CryptoAlgorithmIdentifier hashIdentifier;

    const Vector<uint8_t>& saltVector() const
    {
        if (!m_saltVector.isEmpty() || !salt.length())
            return m_saltVector;

        m_saltVector.append(salt.data(), salt.length());
        return m_saltVector;
    }

    Class parametersClass() const final { return Class::Pbkdf2Params; }

    CryptoAlgorithmPbkdf2Params isolatedCopy() const
    {
        CryptoAlgorithmPbkdf2Params result;
        result.identifier = identifier;
        result.m_saltVector = saltVector();
        result.iterations = iterations;
        result.hashIdentifier = hashIdentifier;

        return result;
    }

private:
    mutable Vector<uint8_t> m_saltVector;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(Pbkdf2Params)

#endif // ENABLE(WEB_CRYPTO)