1/* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * Copyright (C) 2013 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Google, Inc. ("Google") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY GOOGLE AND ITS CONTRIBUTORS "AS IS" AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#ifndef Crypto_h 31#define Crypto_h 32 33#include "ContextDestructionObserver.h" 34#include <wtf/Forward.h> 35#include <wtf/PassRefPtr.h> 36#include <wtf/RefCounted.h> 37#include <wtf/RefPtr.h> 38 39namespace JSC { 40class ArrayBufferView; 41} 42 43namespace WebCore { 44 45typedef int ExceptionCode; 46 47class Document; 48class SubtleCrypto; 49 50class Crypto : public ContextDestructionObserver, public RefCounted<Crypto> { 51public: 52 static PassRefPtr<Crypto> create(Document& document) { return adoptRef(new Crypto(document)); } 53 virtual ~Crypto(); 54 55 Document* document() const; 56 57 void getRandomValues(JSC::ArrayBufferView*, ExceptionCode&); 58 59#if ENABLE(SUBTLE_CRYPTO) 60 SubtleCrypto* subtle(); 61#endif 62 63private: 64 Crypto(Document&); 65 66#if ENABLE(SUBTLE_CRYPTO) 67 RefPtr<SubtleCrypto> m_subtle; 68#endif 69}; 70 71} 72 73#endif 74