Home | History | Annotate | Download | only in crypto 
      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/RsaKeyAlgorithm.h"
     33 
     34 #include "modules/crypto/NormalizeAlgorithm.h"
     35 #include "public/platform/WebVector.h"
     36 #include "wtf/Uint8Array.h"
     37 #include "wtf/text/WTFString.h"
     38 
     39 namespace WebCore {
     40 
     41 RsaKeyAlgorithm::~RsaKeyAlgorithm()
     42 {
     43 }
     44 
     45 RsaKeyAlgorithm* RsaKeyAlgorithm::create(const blink::WebCryptoKeyAlgorithm& algorithm)
     46 {
     47     return new RsaKeyAlgorithm(algorithm);
     48 }
     49 
     50 unsigned RsaKeyAlgorithm::modulusLength()
     51 {
     52     return m_algorithm.rsaHashedParams()->modulusLengthBits();
     53 }
     54 
     55 Uint8Array* RsaKeyAlgorithm::publicExponent()
     56 {
     57     if (!m_publicExponent.get()) {
     58         const blink::WebVector<unsigned char>& exponent = m_algorithm.rsaHashedParams()->publicExponent();
     59         m_publicExponent = Uint8Array::create(exponent.data(), exponent.size());
     60     }
     61     return m_publicExponent.get();
     62 }
     63 
     64 void RsaKeyAlgorithm::trace(Visitor* visitor)
     65 {
     66     KeyAlgorithm::trace(visitor);
     67 }
     68 
     69 RsaKeyAlgorithm::RsaKeyAlgorithm(const blink::WebCryptoKeyAlgorithm& algorithm)
     70     : KeyAlgorithm(algorithm)
     71 {
     72     ASSERT(algorithm.rsaHashedParams());
     73     ScriptWrappable::init(this);
     74 }
     75 
     76 } // namespace WebCore
     77