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76652ac3ca
* Add Web Crypto API * Duplicate symbols * Update c_cpp_properties.json Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CryptoAlgorithmHKDF.h"
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#if ENABLE(WEB_CRYPTO)
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#include "CryptoAlgorithmHkdfParams.h"
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#include "CryptoKeyRaw.h"
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#include <JavaScriptCore/JSCJSValueInlines.h>
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#include <wtf/CrossThreadCopier.h>
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namespace WebCore {
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Ref<CryptoAlgorithm> CryptoAlgorithmHKDF::create()
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{
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return adoptRef(*new CryptoAlgorithmHKDF);
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}
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CryptoAlgorithmIdentifier CryptoAlgorithmHKDF::identifier() const
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{
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return s_identifier;
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}
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void CryptoAlgorithmHKDF::deriveBits(const CryptoAlgorithmParameters& parameters, Ref<CryptoKey>&& baseKey, size_t length, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
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{
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if (!length || length % 8) {
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exceptionCallback(OperationError);
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return;
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}
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dispatchOperationInWorkQueue(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback),
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[parameters = crossThreadCopy(downcast<CryptoAlgorithmHkdfParams>(parameters)), baseKey = WTFMove(baseKey), length] {
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return platformDeriveBits(parameters, downcast<CryptoKeyRaw>(baseKey.get()), length);
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});
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}
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void CryptoAlgorithmHKDF::importKey(CryptoKeyFormat format, KeyData&& data, const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyCallback&& callback, ExceptionCallback&& exceptionCallback)
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{
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if (format != CryptoKeyFormat::Raw) {
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exceptionCallback(NotSupportedError);
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return;
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}
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if (usages & (CryptoKeyUsageEncrypt | CryptoKeyUsageDecrypt | CryptoKeyUsageSign | CryptoKeyUsageVerify | CryptoKeyUsageWrapKey | CryptoKeyUsageUnwrapKey)) {
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exceptionCallback(SyntaxError);
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return;
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}
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if (extractable) {
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exceptionCallback(SyntaxError);
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return;
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}
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callback(CryptoKeyRaw::create(parameters.identifier, WTFMove(std::get<Vector<uint8_t>>(data)), usages));
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}
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ExceptionOr<size_t> CryptoAlgorithmHKDF::getKeyLength(const CryptoAlgorithmParameters&)
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{
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return 0;
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}
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} // namespace WebCore
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#endif // ENABLE(WEB_CRYPTO)
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