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      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 NormalizeAlgorithm_h
     32 #define NormalizeAlgorithm_h
     33 
     34 #include "wtf/Assertions.h"
     35 
     36 namespace WebKit { class WebCryptoAlgorithm; }
     37 
     38 namespace WebCore {
     39 
     40 class Dictionary;
     41 class ExceptionState;
     42 
     43 enum AlgorithmOperation {
     44     Encrypt,
     45     Decrypt,
     46     Sign,
     47     Verify,
     48     Digest,
     49     GenerateKey,
     50     ImportKey,
     51     DeriveKey,
     52     WrapKey,
     53     UnwrapKey,
     54     // <---- End of list
     55     NumberOfAlgorithmOperations,
     56 };
     57 
     58 // Normalizes an algorithm identifier (dictionary) into a WebCryptoAlgorithm. If
     59 // normalization fails then returns false and sets the ExceptionState.
     60 bool normalizeAlgorithm(const Dictionary&, AlgorithmOperation, WebKit::WebCryptoAlgorithm&, ExceptionState&) WARN_UNUSED_RETURN;
     61 
     62 } // namespace WebCore
     63 
     64 #endif
     65