Import WebKit commit a8b574fb3cd509a2d3f2a1568ad0a66d1bf0f6e8

Change-Id: I66add69e6d08b74111ec8e7e4401e4d813501206
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

2 files changed, 153 insertions, 0 deletions

diff --git a/Source/WebCore/platform/crypto/CryptoDigest.h b/Source/WebCore/platform/crypto/CryptoDigest.h
new file mode 100644
index 000000000..31f075aa3
--- /dev/null
+++ b/Source/WebCore/platform/crypto/CryptoDigest.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2013, 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.
+ */
+
+#ifndef CryptoDigest_h
+#define CryptoDigest_h
+
+#include <wtf/Noncopyable.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+struct CryptoDigestContext;
+
+class CryptoDigest {
+    WTF_MAKE_NONCOPYABLE(CryptoDigest);
+public:
+    enum class Algorithm {
+        SHA_1,
+        SHA_224,
+        SHA_256,
+        SHA_384,
+        SHA_512,
+    };
+    static std::unique_ptr<CryptoDigest> create(Algorithm);
+    ~CryptoDigest();
+
+    void addBytes(const void* input, size_t length);
+    Vector<uint8_t> computeHash();
+
+private:
+    CryptoDigest();
+
+    std::unique_ptr<CryptoDigestContext> m_context;
+};
+
+} // namespace WebCore
+
+#endif // CryptoDigest_h
diff --git a/Source/WebCore/platform/crypto/qt/CryptoDigestQt.cpp b/Source/WebCore/platform/crypto/qt/CryptoDigestQt.cpp
new file mode 100644
index 000000000..1dcb8bf72
--- /dev/null
+++ b/Source/WebCore/platform/crypto/qt/CryptoDigestQt.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 Konstantin Tokavev <annulen@yandex.ru>
+ *
+ * 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 "CryptoDigest.h"
+
+#include <QCryptographicHash>
+#include <QDebug>
+
+namespace WebCore {
+
+static QCryptographicHash::Algorithm toQtAlgorithm(CryptoDigest::Algorithm algorithm)
+{
+    switch (algorithm) {
+    case CryptoDigest::Algorithm::SHA_1:
+        return QCryptographicHash::Sha1;
+
+    case CryptoDigest::Algorithm::SHA_224:
+        return QCryptographicHash::Sha224;
+
+    case CryptoDigest::Algorithm::SHA_256:
+        return QCryptographicHash::Sha256;
+
+    case CryptoDigest::Algorithm::SHA_384:
+        return QCryptographicHash::Sha384;
+
+    case CryptoDigest::Algorithm::SHA_512:
+        return QCryptographicHash::Sha512;
+    }
+
+    ASSERT_NOT_REACHED();
+    return QCryptographicHash::Algorithm();
+}
+
+struct CryptoDigestContext {
+    CryptoDigestContext(QCryptographicHash::Algorithm algorithm)
+        : hash(algorithm)
+    {
+    }
+    QCryptographicHash hash;
+};
+
+CryptoDigest::CryptoDigest()
+{
+}
+
+CryptoDigest::~CryptoDigest()
+{
+}
+
+std::unique_ptr<CryptoDigest> CryptoDigest::create(CryptoDigest::Algorithm algorithm)
+{
+    std::unique_ptr<CryptoDigest> digest(new CryptoDigest);
+    digest->m_context.reset(new CryptoDigestContext(toQtAlgorithm(algorithm)));
+    return digest;
+}
+
+void CryptoDigest::addBytes(const void* input, size_t length)
+{
+    m_context->hash.addData(static_cast<const char*>(input), length);
+}
+
+Vector<uint8_t> CryptoDigest::computeHash()
+{
+    QByteArray digest = m_context->hash.result();
+    Vector<uint8_t> result(digest.size());
+    memcpy(result.data(), digest.constData(), digest.size());
+    return result;
+}
+
+} // namespace WebCore