secure_permutation.h

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/*
SeComLib
Copyright 2012-2013 TU Delft, Information Security & Privacy Lab (http://isplab.tudelft.nl/)

Contributors:
Inald Lagendijk (R.L.Lagendijk@TUDelft.nl)
Mihai Todor (todormihai@gmail.com)
Thijs Veugen (P.J.M.Veugen@tudelft.nl)
Zekeriya Erkin (z.erkin@tudelft.nl)

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.
*/
#ifndef SECURE_PERMUTATION_HEADER_GUARD
#define SECURE_PERMUTATION_HEADER_GUARD

#include "random_provider.h"

//include C++ headers
#include <deque>

namespace SeComLib {
namespace Core {
    class SecurePermutation {
    public:
        typedef std::deque<std::pair<size_t, size_t>> PermutationVector;

        SecurePermutation (const size_t size);

        ~SecurePermutation () {}

        template <typename T_DataType>
        void Permute (T_DataType &vector) const;

        template <typename T_DataType>
        void InvertPermutation (T_DataType &vector) const;

    private:
        const size_t vectorSize;

        PermutationVector permutations;

        SecurePermutation (SecurePermutation const &);

        SecurePermutation operator= (SecurePermutation const &);
    };
}//namespace Core
}//namespace SeComLib

//Separate the implementation from the declaration of template methods
#include "secure_permutation.hpp"

#endif//SECURE_PERMUTATION_HEADER_GUARD