sm2p_v1.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:
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// The above copyright notice and this permission notice shall be included in all
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//---------------------------------------------------------------------------//
 
#ifndef CRYPTO3_ALGEBRA_CURVES_SM2P_V1_HPP
#define CRYPTO3_ALGEBRA_CURVES_SM2P_V1_HPP
 
#include <nil/crypto3/algebra/fields/sm2p_v1/base_field.hpp>
#include <nil/crypto3/algebra/fields/sm2p_v1/scalar_field.hpp>
 
#include <nil/crypto3/detail/literals.hpp>
 
namespace nil {
    namespace crypto3 {
        namespace algebra {
            namespace curves {
 
                template<std::size_t PBits>
                struct sm2p_v1 { };
 
                template<>
                struct sm2p_v1<256> {
                    constexpr static const std::size_t base_field_bits = 256;
                    typedef fields::sm2p_v1_fq<base_field_bits> base_field_type;
                    typedef typename base_field_type::integral_type integral_type;
                    constexpr static const integral_type base_field_modulus = base_field_type::modulus;
 
                    constexpr static const std::size_t scalar_field_bits = 256;
                    typedef fields::sm2p_v1_fr<scalar_field_bits> scalar_field_type;
                    constexpr static const integral_type scalar_field_modulus = scalar_field_type::modulus;
 
                    constexpr static const integral_type p = base_field_modulus;
                    constexpr static const integral_type q = scalar_field_modulus;
 
                    constexpr static const integral_type a =
                        0xFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC_cppui256;
                    constexpr static const integral_type b =
                        0x28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93_cppui256;
                    constexpr static const integral_type x =
                        0x32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7_cppui256;
                    constexpr static const integral_type y =
                        0xBC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0_cppui256;
                };
 
                typedef sm2p_v1<256> sm2p256v1;
            }    // namespace curves
        }        // namespace algebra
    }            // namespace crypto3
}    // namespace nil
 
#endif    // CRYPTO3_ALGEBRA_CURVES_SM2P_V1_HPP