/* * 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 <wtf/Vector.h> #if ENABLE(SUBTLE_CRYPTO) namespace WebCore { class CryptoAlgorithmAesGcmParams final : public CryptoAlgorithmParameters { public: BufferSource iv; // Use additionalDataVector() instead of additionalData. The label will be gone once additionalDataVector() is called. std::optional<BufferSource::VariantType> additionalData; std::optional<uint8_t> tagLength; Class parametersClass() const final { return Class::AesGcmParams; } const Vector<uint8_t>& ivVector() { if (!m_ivVector.isEmpty() || !iv.length()) return m_ivVector; m_ivVector.append(iv.data(), iv.length()); return m_ivVector; } const Vector<uint8_t>& additionalDataVector() { if (!m_additionalDataVector.isEmpty() || !additionalData) return m_additionalDataVector; m_additionalDataBuffer = WTFMove(*additionalData); additionalData = std::nullopt; if (!m_additionalDataBuffer.length()) return m_additionalDataVector; m_additionalDataVector.append(m_additionalDataBuffer.data(), m_additionalDataBuffer.length()); return m_additionalDataVector; } private: Vector<uint8_t> m_ivVector; Vector<uint8_t> m_additionalDataVector; BufferSource m_additionalDataBuffer; }; } // namespace WebCore SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(AesGcmParams) #endif // ENABLE(SUBTLE_CRYPTO)