/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NormalizeAlgorithm_h
#define NormalizeAlgorithm_h
#include "public/platform/WebCryptoAlgorithm.h"
#include "wtf/Assertions.h"
#include "wtf/Forward.h"
namespace blink { class WebCryptoAlgorithm; }
namespace WebCore {
class CryptoResult;
class Dictionary;
enum AlgorithmOperation {
Encrypt,
Decrypt,
Sign,
Verify,
Digest,
GenerateKey,
ImportKey,
DeriveKey,
WrapKey,
UnwrapKey,
// <---- End of list (keep this up-to-date)
LastAlgorithmOperation = UnwrapKey,
};
// Converts a javascript Dictionary to a WebCryptoAlgorithm object.
//
// This corresponds with "normalizing" [1] the algorithm, and then validating
// the expected parameters for the algorithm/operation combination.
//
// On success returns true and sets the WebCryptoAlgorithm.
//
// On failure parseAlgorithm returns false and completes the CryptoResult
// with a (non-localized) debug string.
//
// [1] http://www.w3.org/TR/WebCryptoAPI/#algorithm-normalizing-rules
bool parseAlgorithm(const Dictionary&, AlgorithmOperation, blink::WebCryptoAlgorithm&, CryptoResult*) WARN_UNUSED_RETURN;
// Returns a null-terminated C-string literal. Caller can assume the pointer
// will be valid for the program's entire runtime.
const char* algorithmIdToName(blink::WebCryptoAlgorithmId);
} // namespace WebCore
#endif