1 /* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef Key_h 32 #define Key_h 33 34 #include "bindings/v8/ScriptWrappable.h" 35 #include "modules/crypto/NormalizeAlgorithm.h" 36 #include "public/platform/WebCryptoKey.h" 37 #include "wtf/Forward.h" 38 #include "wtf/PassRefPtr.h" 39 #include "wtf/RefCounted.h" 40 #include "wtf/text/WTFString.h" 41 42 namespace WebCore { 43 44 class Algorithm; 45 class ExceptionState; 46 47 class Key : public ScriptWrappable, public RefCounted<Key> { 48 public: create(const blink::WebCryptoKey & key)49 static PassRefPtr<Key> create(const blink::WebCryptoKey& key) { return adoptRef(new Key(key)); } 50 51 ~Key(); 52 53 String type() const; 54 bool extractable() const; 55 Algorithm* algorithm(); 56 Vector<String> usages() const; 57 key()58 const blink::WebCryptoKey& key() const { return m_key; } 59 60 bool canBeUsedForAlgorithm(const blink::WebCryptoAlgorithm&, AlgorithmOperation, ExceptionState&) const; 61 62 static bool parseFormat(const String&, blink::WebCryptoKeyFormat&, ExceptionState&); 63 static bool parseUsageMask(const Vector<String>&, blink::WebCryptoKeyUsageMask&, ExceptionState&); 64 65 protected: 66 explicit Key(const blink::WebCryptoKey&); 67 68 const blink::WebCryptoKey m_key; 69 RefPtr<Algorithm> m_algorithm; 70 }; 71 72 } // namespace WebCore 73 74 #endif 75