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/*############################################################################
# Copyright 2016 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 FfElement C++ wrapper interface.
*/
#ifndef EPID_COMMON_TESTHELPER_FFELEMENT_WRAPPER_TESTHELPER_H_
#define EPID_COMMON_TESTHELPER_FFELEMENT_WRAPPER_TESTHELPER_H_
#include <memory>
#include <vector>
extern "C" {
#include "epid/common/math/bignum.h"
#include "epid/common/math/finitefield.h"
#include "epid/common/1.1/types.h"
}
class FiniteFieldObj;
/*!
Wrapper class to provide Resource Allocation is Initialization handling
for FfElement
*/
class FfElementObj {
public:
/// constructor
FfElementObj();
/// copy constructor
FfElementObj(FfElementObj const& other);
/// assignment operator
FfElementObj& operator=(FfElementObj const& other);
/// Create a FfElement
explicit FfElementObj(FiniteFieldObj* ff);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, FpElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, FqElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, Fq2ElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, Fq3ElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, Fq6ElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, Fq12ElemStr const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, std::vector<unsigned char> const& bytes);
/// Create a FfElement
FfElementObj(FiniteFieldObj* ff, void const* bytes, size_t size);
/// Destroy the FfElement
~FfElementObj();
/// cast operator to get the pointer to the stored FfElement
operator FfElement*();
/// const cast operator to get the pointer to the stored FfElement
operator const FfElement*() const;
/// Get the underlying pointer
FfElement* get();
/// Get the underlying pointer
FfElement const* getc() const;
/// Get element bytes
std::vector<unsigned char> data() const;
private:
void init(FiniteFieldObj* ff, unsigned char const* bytes, size_t size);
struct State;
std::unique_ptr<State> state_;
};
#endif // EPID_COMMON_TESTHELPER_FFELEMENT_WRAPPER_TESTHELPER_H_
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