sbox_database.h

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// MIT License
//
// Copyright (c) 2019 Ruhr University Bochum, Chair for Embedded Security. All Rights reserved.
// Copyright (c) 2019 Marc Fyrbiak, Sebastian Wallat, Max Hoffmann ("ORIGINAL AUTHORS"). All rights reserved.
// Copyright (c) 2021 Max Planck Institute for Security and Privacy. All Rights reserved.
// Copyright (c) 2021 Jörn Langheinrich, Julian Speith, Nils Albartus, René Walendy, Simon Klix ("ORIGINAL AUTHORS"). All Rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#pragma once
 
#include "hal_core/defines.h"
#include "hal_core/utilities/result.h"
 
#include <map>
#include <vector>
 
namespace hal
{
    namespace hawkeye
    {
        class SBoxDatabase
        {
        public:
            SBoxDatabase() = default;
 
            SBoxDatabase(const std::map<std::string, std::vector<u8>>& sboxes);
 
            ~SBoxDatabase() = default;
 
            static Result<SBoxDatabase> from_file(const std::filesystem::path& file_path);
 
            static std::vector<u8> compute_linear_representative(const std::vector<u8>& sbox);
 
            Result<std::monostate> add(const std::string& name, const std::vector<u8>& sbox);
 
            Result<std::monostate> add(const std::map<std::string, std::vector<u8>>& sboxes);
 
            Result<std::monostate> load(const std::filesystem::path& file_path, bool overwrite = false);
 
            Result<std::monostate> store(const std::filesystem::path& file_path) const;
 
            Result<std::string> lookup(const std::vector<u8>& sbox) const;
 
            void print() const;
 
        private:
            std::map<u32, std::map<std::vector<u8>, std::vector<std::pair<std::string, u8>>>> m_data;
        };
    }    // namespace hawkeye
 
}    // namespace hal