/* * Copyright (C) 2016 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(WEB_CRYPTO) namespace WebCore { class CryptoAlgorithmRsaOaepParams final : public CryptoAlgorithmParameters { public: // Use labelVector() instead of label. The label will be gone once labelVector() is called. mutable Optional<BufferSource::VariantType> label; Class parametersClass() const final { return Class::RsaOaepParams; } const Vector<uint8_t>& labelVector() const { if (!m_labelVector.isEmpty() || !label) return m_labelVector; BufferSource labelBuffer = WTFMove(*label); label = WTF::nullopt; if (!labelBuffer.length()) return m_labelVector; m_labelVector.append(labelBuffer.data(), labelBuffer.length()); return m_labelVector; } CryptoAlgorithmRsaOaepParams isolatedCopy() const { CryptoAlgorithmRsaOaepParams result; result.identifier = identifier; result.m_labelVector = labelVector(); return result; } private: mutable Vector<uint8_t> m_labelVector; }; } // namespace WebCore SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(RsaOaepParams) #endif // ENABLE(WEB_CRYPTO)