<?php

/**
 * secp224k1
 *
 * PHP version 8.1+
 *
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2018-2026 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      https://phpseclib.com/
 */

declare(strict_types=1);

namespace phpseclib4\Crypt\EC\Curves;

use phpseclib4\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib4\Math\BigInteger;

/** @psalm-api */
class secp224k1 extends KoblitzPrime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D', 16));
        $this->setCoefficients(
            new BigInteger('00000000000000000000000000000000000000000000000000000000', 16),
            new BigInteger('00000000000000000000000000000000000000000000000000000005', 16)
        );
        $this->setBasePoint(
            new BigInteger('A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C', 16),
            new BigInteger('7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5', 16)
        );
        $this->setOrder(new BigInteger('010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7', 16));

        $this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('00B8ADF1378A6EB73409FA6C9C637D', -16),
            'b' => new BigInteger('94730F82B358A3776A826298FA6F', -16),
        ];
        $this->basis[] = [
            'a' => new BigInteger('01DCE8D2EC6184CAF0A972769FCC8B', -16),
            'b' => new BigInteger('4D2100BA3DC75AAB747CCF355DEC', -16),
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('01F178FFA4B17C89E6F73AECE2AAD57AF4C0A748B63C830947B27E04', -16));
    }
}
