1 /* 2 * Copyright (C) 2014 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 #include "config.h" 32 #include "modules/crypto/HmacKeyAlgorithm.h" 33 34 #include "modules/crypto/NormalizeAlgorithm.h" 35 #include "wtf/text/WTFString.h" 36 37 namespace WebCore { 38 39 HmacKeyAlgorithm* HmacKeyAlgorithm::create(const blink::WebCryptoKeyAlgorithm& algorithm) 40 { 41 return new HmacKeyAlgorithm(algorithm); 42 } 43 44 KeyAlgorithm* HmacKeyAlgorithm::hash() 45 { 46 if (!m_hash) 47 m_hash = KeyAlgorithm::createHash(m_algorithm.hmacParams()->hash()); 48 return m_hash.get(); 49 } 50 51 unsigned HmacKeyAlgorithm::length() 52 { 53 return m_algorithm.hmacParams()->lengthBits(); 54 } 55 56 void HmacKeyAlgorithm::trace(Visitor* visitor) 57 { 58 visitor->trace(m_hash); 59 KeyAlgorithm::trace(visitor); 60 } 61 62 HmacKeyAlgorithm::HmacKeyAlgorithm(const blink::WebCryptoKeyAlgorithm& algorithm) 63 : KeyAlgorithm(algorithm) 64 { 65 ScriptWrappable::init(this); 66 } 67 68 } // namespace WebCore 69
