| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "CryptoAlgorithmPBKDF2.h" |
| |
| #if ENABLE(SUBTLE_CRYPTO) |
| |
| #include "CryptoAlgorithmPbkdf2Params.h" |
| #include "CryptoKeyRaw.h" |
| |
| namespace WebCore { |
| |
| Ref<CryptoAlgorithm> CryptoAlgorithmPBKDF2::create() |
| { |
| return adoptRef(*new CryptoAlgorithmPBKDF2); |
| } |
| |
| CryptoAlgorithmIdentifier CryptoAlgorithmPBKDF2::identifier() const |
| { |
| return s_identifier; |
| } |
| |
| void CryptoAlgorithmPBKDF2::deriveBits(std::unique_ptr<CryptoAlgorithmParameters>&& parameters, Ref<CryptoKey>&& baseKey, size_t length, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue) |
| { |
| if (!length || length % 8) { |
| exceptionCallback(OperationError); |
| return; |
| } |
| |
| dispatchOperation(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback), |
| [parameters = WTFMove(parameters), baseKey = WTFMove(baseKey), length] { |
| return platformDeriveBits(downcast<CryptoAlgorithmPbkdf2Params>(*parameters), downcast<CryptoKeyRaw>(baseKey.get()), length); |
| }); |
| } |
| |
| void CryptoAlgorithmPBKDF2::importKey(CryptoKeyFormat format, KeyData&& data, const std::unique_ptr<CryptoAlgorithmParameters>&& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyCallback&& callback, ExceptionCallback&& exceptionCallback) |
| { |
| if (format != CryptoKeyFormat::Raw) { |
| exceptionCallback(NotSupportedError); |
| return; |
| } |
| if (usages & (CryptoKeyUsageEncrypt | CryptoKeyUsageDecrypt | CryptoKeyUsageSign | CryptoKeyUsageVerify | CryptoKeyUsageWrapKey | CryptoKeyUsageUnwrapKey)) { |
| exceptionCallback(SyntaxError); |
| return; |
| } |
| if (extractable) { |
| exceptionCallback(SyntaxError); |
| return; |
| } |
| |
| callback(CryptoKeyRaw::create(parameters->identifier, WTFMove(WTF::get<Vector<uint8_t>>(data)), usages)); |
| } |
| |
| ExceptionOr<size_t> CryptoAlgorithmPBKDF2::getKeyLength(const CryptoAlgorithmParameters&) |
| { |
| return 0; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(SUBTLE_CRYPTO) |