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/*
* Copyright (C) 2013 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 CryptoAlgorithm_h
#define CryptoAlgorithm_h
#include "CryptoAlgorithmIdentifier.h"
#include "CryptoKeyUsage.h"
#include <functional>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>
#if ENABLE(SUBTLE_CRYPTO)
namespace WebCore {
typedef int ExceptionCode;
class CryptoAlgorithmParameters;
class CryptoKey;
class CryptoKeyPair;
class CryptoKeyData;
// Data is mutable, so async operations should copy it first.
typedef std::pair<const uint8_t*, size_t> CryptoOperationData;
class CryptoAlgorithm {
WTF_MAKE_NONCOPYABLE(CryptoAlgorithm)
public:
virtual ~CryptoAlgorithm();
virtual CryptoAlgorithmIdentifier identifier() const = 0;
typedef std::function<void(bool)> BoolCallback;
typedef std::function<void(CryptoKey&)> KeyCallback;
typedef std::function<void(CryptoKey*, CryptoKeyPair*)> KeyOrKeyPairCallback;
typedef std::function<void(const Vector<uint8_t>&)> VectorCallback;
typedef std::function<void()> VoidCallback;
virtual void encrypt(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void decrypt(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void sign(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void verify(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData& signature, const CryptoOperationData& data, BoolCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void digest(const CryptoAlgorithmParameters&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void generateKey(const CryptoAlgorithmParameters&, bool extractable, CryptoKeyUsage, KeyOrKeyPairCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void deriveKey(const CryptoAlgorithmParameters&, const CryptoKey& baseKey, CryptoAlgorithm* derivedKeyType, bool extractable, CryptoKeyUsage, KeyCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void deriveBits(const CryptoAlgorithmParameters&, const CryptoKey& baseKey, unsigned long length, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void importKey(const CryptoAlgorithmParameters&, const CryptoKeyData&, bool extractable, CryptoKeyUsage, KeyCallback, VoidCallback failureCallback, ExceptionCode&);
// These are only different from encrypt/decrypt because some algorithms may not expose encrypt/decrypt.
virtual void encryptForWrapKey(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
virtual void decryptForUnwrapKey(const CryptoAlgorithmParameters&, const CryptoKey&, const CryptoOperationData&, VectorCallback, VoidCallback failureCallback, ExceptionCode&);
protected:
CryptoAlgorithm();
};
}
#endif // ENABLE(SUBTLE_CRYPTO)
#endif // CryptoAlgorithm_h
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