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 CryptoKey_h 32 #define CryptoKey_h 33 34 #include "bindings/core/v8/ScriptWrappable.h" 35 #include "modules/crypto/NormalizeAlgorithm.h" 36 #include "platform/heap/Handle.h" 37 #include "public/platform/WebCryptoKey.h" 38 #include "wtf/Forward.h" 39 #include "wtf/text/WTFString.h" 40 41 namespace blink { 42 43 class CryptoResult; 44 class KeyAlgorithm; 45 46 class CryptoKey : public GarbageCollectedFinalized<CryptoKey>, public ScriptWrappable { 47 DEFINE_WRAPPERTYPEINFO(); 48 public: create(const WebCryptoKey & key)49 static CryptoKey* create(const WebCryptoKey& key) 50 { 51 return new CryptoKey(key); 52 } 53 54 ~CryptoKey(); 55 56 String type() const; 57 bool extractable() const; 58 Vector<String> usages() const; 59 key()60 const WebCryptoKey& key() const { return m_key; } 61 62 // If the key cannot be used with the indicated algorithm, returns false 63 // and completes the CryptoResult with an error. 64 bool canBeUsedForAlgorithm(const WebCryptoAlgorithm&, WebCryptoOperation, CryptoResult*) const; 65 66 // On failure, these return false and complete the CryptoResult with an error. 67 static bool parseFormat(const String&, WebCryptoKeyFormat&, CryptoResult*); 68 static bool parseUsageMask(const Vector<String>&, WebCryptoKeyUsageMask&, CryptoResult*); 69 trace(Visitor *)70 void trace(Visitor*) { } 71 72 protected: 73 explicit CryptoKey(const WebCryptoKey&); 74 75 const WebCryptoKey m_key; 76 }; 77 78 } // namespace blink 79 80 #endif // CryptoKey_h 81