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/*
* Copyright (C) 2017 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 "BufferSource.h"
#include "CryptoAlgorithmParameters.h"
#include <JavaScriptCore/JSObject.h>
#include <JavaScriptCore/Strong.h>
#include <wtf/Vector.h>
#if ENABLE(WEB_CRYPTO)
namespace WebCore {
class CryptoAlgorithmHkdfParams final : public CryptoAlgorithmParameters {
public:
// FIXME: Consider merging hash and hashIdentifier.
std::variant<JSC::Strong<JSC::JSObject>, String> hash;
CryptoAlgorithmIdentifier hashIdentifier;
BufferSource salt;
BufferSource info;
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;
}
const Vector<uint8_t>& infoVector() const
{
if (!m_infoVector.isEmpty() || !info.length())
return m_infoVector;
m_infoVector.append(info.data(), info.length());
return m_infoVector;
}
Class parametersClass() const final { return Class::HkdfParams; }
CryptoAlgorithmHkdfParams isolatedCopy() const
{
CryptoAlgorithmHkdfParams result;
result.identifier = identifier;
result.m_saltVector = saltVector();
result.m_infoVector = infoVector();
result.hashIdentifier = hashIdentifier;
return result;
}
private:
mutable Vector<uint8_t> m_saltVector;
mutable Vector<uint8_t> m_infoVector;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(HkdfParams)
#endif // ENABLE(WEB_CRYPTO)
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