1/* 2 * Copyright (C) 2013 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef CryptoKeyAES_h 27#define CryptoKeyAES_h 28 29#include "CryptoAlgorithmIdentifier.h" 30#include "CryptoKey.h" 31#include <wtf/Vector.h> 32 33#if ENABLE(SUBTLE_CRYPTO) 34 35namespace WebCore { 36 37class CryptoKeyAES final : public CryptoKey { 38public: 39 static PassRefPtr<CryptoKeyAES> create(CryptoAlgorithmIdentifier algorithm, const Vector<uint8_t>& key, bool extractable, CryptoKeyUsage usage) 40 { 41 return adoptRef(new CryptoKeyAES(algorithm, key, extractable, usage)); 42 } 43 virtual ~CryptoKeyAES(); 44 45 static bool isValidAESAlgorithm(CryptoAlgorithmIdentifier); 46 47 static PassRefPtr<CryptoKeyAES> generate(CryptoAlgorithmIdentifier, size_t lengthBits, bool extractable, CryptoKeyUsage); 48 49 virtual CryptoKeyClass keyClass() const override { return CryptoKeyClass::AES; } 50 51 const Vector<uint8_t>& key() const { return m_key; } 52 53private: 54 CryptoKeyAES(CryptoAlgorithmIdentifier, const Vector<uint8_t>& key, bool extractable, CryptoKeyUsage); 55 56 virtual void buildAlgorithmDescription(CryptoAlgorithmDescriptionBuilder&) const override; 57 virtual std::unique_ptr<CryptoKeyData> exportData() const override; 58 59 Vector<uint8_t> m_key; 60}; 61 62inline bool isCryptoKeyAES(const CryptoKey& key) 63{ 64 return key.keyClass() == CryptoKeyClass::AES; 65} 66 67CRYPTO_KEY_TYPE_CASTS(CryptoKeyAES) 68 69} // namespace WebCore 70 71#endif // ENABLE(SUBTLE_CRYPTO) 72 73 74#endif // CryptoKeyAES_h 75