fields/arithmetic_params/vesta.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
// 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
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//---------------------------------------------------------------------------//
 
#ifndef CRYPTO3_ALGEBRA_FIELDS_VESTA_ARITHMETIC_PARAMS_HPP
#define CRYPTO3_ALGEBRA_FIELDS_VESTA_ARITHMETIC_PARAMS_HPP
 
#include <nil/crypto3/algebra/fields/params.hpp>
 
#include <nil/crypto3/algebra/fields/vesta/base_field.hpp>
#include <nil/crypto3/algebra/fields/vesta/scalar_field.hpp>
 
#include <nil/crypto3/detail/literals.hpp>
 
namespace nil {
    namespace crypto3 {
        namespace algebra {
            namespace fields {
                
                template<>
                struct arithmetic_params<vesta_scalar_field<255>> : public params<vesta_scalar_field<255>> {
                private:
                    typedef params<vesta_scalar_field<255>> policy_type;
 
                public:
                    typedef typename policy_type::modular_type modular_type;
                    typedef typename policy_type::integral_type integral_type;
 
                    constexpr static const std::size_t s = 0x20;
                    constexpr static const integral_type root_of_unity =
                        0x39579430a0535caa2072a2239079f02b4c5b0caa29bfe9396f80d8a28434208f_cppui255;
                };
 
                //  constexpr std::size_t const arithmetic_params<vesta_base_field<255>>::s;
                constexpr std::size_t const arithmetic_params<vesta_scalar_field<255>>::s;
 
                // constexpr typename arithmetic_params<vesta_base_field<255>>::integral_type const
                // arithmetic_params<vesta_base_field<255>>::root_of_unity;
                constexpr typename arithmetic_params<vesta_scalar_field<255>>::integral_type const
                    arithmetic_params<vesta_scalar_field<255>>::root_of_unity;
 
           
            }    // namespace fields
        }        // namespace algebra
    }            // namespace crypto3
}    // namespace nil
 
#endif    // CRYPTO3_ALGEBRA_FIELDS_VESTA_ARITHMETIC_PARAMS_HPP