text: /*############################################################################
    # Copyright 2016-2019 Intel Corporation
    #
    # 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.
    ############################################################################*/
  
  /*!
   * \file
   * \brief FiniteField C++ wrapper interface.
   */
  #ifndef EPID_INTERNAL_TESTHELPER_INCLUDE_TESTHELPER_FINITE_FIELD_WRAPPER_TESTHELPER_H_
  #define EPID_INTERNAL_TESTHELPER_INCLUDE_TESTHELPER_FINITE_FIELD_WRAPPER_TESTHELPER_H_
  
  #include <memory>
  #include <vector>
  
  extern "C" {
  #include "ippmath/finitefield.h"
  }
  
  class FfElementObj;
  
  /*!
  Wrapper class to provide Resource Allocation is Initialization handling
  for FiniteField
  */
  class FiniteFieldObj {
   public:
    /// constructor
    FiniteFieldObj();
    /// copy constructor
    FiniteFieldObj(FiniteFieldObj const& other);
    /// assignment operator
    FiniteFieldObj& operator=(FiniteFieldObj const& other);
    /// Create a FiniteField
    explicit FiniteFieldObj(BigNumStr const& prime);
    /// Create a FiniteField
    FiniteFieldObj(FiniteFieldObj const& ground_field,
                   FfElementObj const& ground_element, int degree);
    /// Create a FiniteField
    FiniteFieldObj(FiniteFieldObj const& ground_field,
                   BigNumStr const* irr_polynomial, int degree);
    /// Destroy the FiniteField
    ~FiniteFieldObj();
    /// cast operator to get the pointer to the stored FiniteField
    operator FiniteField*();
    /// const cast operator to get the pointer to the stored FiniteField
    operator const FiniteField*() const;
    /// Get the underlying pointer
    FiniteField* get();
    /// Get the underlying pointer
    FiniteField const* getc() const;
    /// Get maximum size of field element
    size_t GetElementMaxSize() const;
  
   private:
    struct State;
    std::unique_ptr<State> state_;
  };
  
  #endif  // EPID_INTERNAL_TESTHELPER_INCLUDE_TESTHELPER_FINITE_FIELD_WRAPPER_TESTHELPER_H_
  