1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "CryptoAlgorithmSHA256.h"
28
29#if ENABLE(WEB_CRYPTO)
30
31#include "ScriptExecutionContext.h"
32#include <pal/crypto/CryptoDigest.h>
33
34namespace WebCore {
35
36Ref<CryptoAlgorithm> CryptoAlgorithmSHA256::create()
37{
38 return adoptRef(*new CryptoAlgorithmSHA256);
39}
40
41CryptoAlgorithmIdentifier CryptoAlgorithmSHA256::identifier() const
42{
43 return s_identifier;
44}
45
46void CryptoAlgorithmSHA256::digest(Vector<uint8_t>&& message, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
47{
48 auto digest = PAL::CryptoDigest::create(PAL::CryptoDigest::Algorithm::SHA_256);
49 if (!digest) {
50 exceptionCallback(OperationError);
51 return;
52 }
53
54 workQueue.dispatch([digest = WTFMove(digest), message = WTFMove(message), callback = WTFMove(callback), contextIdentifier = context.contextIdentifier()]() mutable {
55 digest->addBytes(message.data(), message.size());
56 auto result = digest->computeHash();
57 ScriptExecutionContext::postTaskTo(contextIdentifier, [callback = WTFMove(callback), result = WTFMove(result)](auto&) {
58 callback(result);
59 });
60 });
61}
62
63}
64
65#endif // ENABLE(WEB_CRYPTO)
66