field.hpp

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//---------------------------------------------------------------------------//
// Copyright (c) 2020-2021 Mikhail Komarov <nemo@nil.foundation>
// Copyright (c) 2020-2021 Nikita Kaskov <nbering@nil.foundation>
//
// MIT License
//
// 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
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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//---------------------------------------------------------------------------//
 
#ifndef CRYPTO3_ALGEBRA_FIELDS_FIELD_HPP
#define CRYPTO3_ALGEBRA_FIELDS_FIELD_HPP
 
#include <nil/crypto3/multiprecision/number.hpp>
#include <nil/crypto3/multiprecision/cpp_int.hpp>
#include <nil/crypto3/multiprecision/modular/modular_adaptor.hpp>
#include <nil/crypto3/multiprecision/modular/modular_params_fixed.hpp>
 
namespace nil {
    namespace crypto3 {
        namespace algebra {
            namespace fields {
 
                template<std::size_t ModulusBits>
                struct field {
 
                    constexpr static const std::size_t modulus_bits = ModulusBits;
                    typedef nil::crypto3::multiprecision::number<
                        nil::crypto3::multiprecision::backends::cpp_int_backend<
                            modulus_bits, modulus_bits, nil::crypto3::multiprecision::unsigned_magnitude,
                            nil::crypto3::multiprecision::unchecked, void>>
                        integral_type;
 
                    typedef nil::crypto3::multiprecision::number<
                        nil::crypto3::multiprecision::backends::cpp_int_backend<
                            16 * modulus_bits, 16 * modulus_bits, nil::crypto3::multiprecision::unsigned_magnitude,
                            nil::crypto3::multiprecision::unchecked, void>>
                        extended_integral_type;
 
                    constexpr static const std::size_t number_bits = ModulusBits;
                    typedef nil::crypto3::multiprecision::backends::cpp_int_backend<
                        modulus_bits, modulus_bits, nil::crypto3::multiprecision::signed_magnitude,
                        nil::crypto3::multiprecision::unchecked, void>
                        modular_backend;
 
                    typedef nil::crypto3::multiprecision::number<
                        nil::crypto3::multiprecision::backends::modular_adaptor<modular_backend, nil::crypto3::multiprecision::backends::modular_params_rt<modular_backend>>>
                        modular_type;
 
                    typedef nil::crypto3::multiprecision::modular_params<modular_backend> modular_params_type;
                };
 
            }    // namespace fields
        }        // namespace algebra
    }            // namespace crypto3
}    // namespace nil
 
#endif    // CRYPTO3_ALGEBRA_FIELDS_FIELD_HPP