digest-filter.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2021 Regents of the University of California.
 *
 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
 *
 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
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 * You should have received copies of the GNU General Public License and GNU Lesser
 * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_SECURITY_TRANSFORM_DIGEST_FILTER_HPP
#define NDN_CXX_SECURITY_TRANSFORM_DIGEST_FILTER_HPP
 
#include "ndn-cxx/security/transform/transform-base.hpp"
#include "ndn-cxx/security/security-common.hpp"
 
namespace ndn {
namespace security {
namespace transform {
 
class DigestFilter final : public Transform
{
public:
  explicit
  DigestFilter(DigestAlgorithm algo);
 
  ~DigestFilter() final;
 
private:
  size_t
  convert(span<const uint8_t> buf) final;
 
  void
  finalize() final;
 
private:
  class Impl;
  const unique_ptr<Impl> m_impl;
};
 
unique_ptr<Transform>
digestFilter(DigestAlgorithm algo);
 
} // namespace transform
} // namespace security
} // namespace ndn
 
#endif // NDN_CXX_SECURITY_TRANSFORM_DIGEST_FILTER_HPP