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// Copyright (c) 2005-2022 Jay Berkenbilt
//
// This file is part of qpdf.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Versions of qpdf prior to version 7 were released under the terms
// of version 2.0 of the Artistic License. At your option, you may
// continue to consider qpdf to be licensed under those terms. Please
// see the manual for additional information.
#ifndef RANDOMDATAPROVIDER_HH
#define RANDOMDATAPROVIDER_HH
#include <qpdf/DLL.h>
#include <string.h> // for size_t
class QPDF_DLL_CLASS RandomDataProvider
{
public:
virtual ~RandomDataProvider() = default;
virtual void provideRandomData(unsigned char* data, size_t len) = 0;
protected:
QPDF_DLL_PRIVATE
RandomDataProvider() = default;
private:
RandomDataProvider(RandomDataProvider const&) = delete;
RandomDataProvider& operator=(RandomDataProvider const&) = delete;
};
#endif // RANDOMDATAPROVIDER_HH
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