1 files changed, 71 insertions, 0 deletions
diff --git a/Source/WebCore/page/Crypto.cpp b/Source/WebCore/page/Crypto.cpp
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+++ b/Source/WebCore/page/Crypto.cpp
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+/*
+ * Copyright (C) 2011 Google 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. 
+ * 3.  Neither the name of Google, Inc. ("Google") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY GOOGLE 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 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 "Crypto.h"
+
+#include "ExceptionCode.h"
+#include "Uint8Array.h"
+#include <wtf/CryptographicallyRandomNumber.h>
+
+namespace WebCore {
+
+namespace {
+
+bool isIntegerArray(ArrayBufferView* array)
+{
+    return array->isByteArray()
+        || array->isUnsignedByteArray()
+        || array->isShortArray()
+        || array->isUnsignedShortArray()
+        || array->isIntArray()
+        || array->isUnsignedIntArray();
+}
+
+}
+
+Crypto::Crypto()
+{
+}
+
+void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec)
+{
+#if USE(OS_RANDOMNESS)
+    if (!array || !isIntegerArray(array)) {
+        ec = TYPE_MISMATCH_ERR;
+        return;
+    }
+    cryptographicallyRandomValues(array->baseAddress(), array->byteLength());
+#else
+    ASSERT_UNUSED(array, array);
+    ec = NOT_SUPPORTED_ERR;
+#endif
+}
+
+}