1<?php
2
3/**
4 * secp192k1
5 *
6 * PHP version 5 and 7
7 *
8 * @category  Crypt
9 * @package   EC
10 * @author    Jim Wigginton <terrafrost@php.net>
11 * @copyright 2017 Jim Wigginton
12 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
13 * @link      http://pear.php.net/package/Math_BigInteger
14 */
15
16namespace phpseclib3\Crypt\EC\Curves;
17
18use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
19use phpseclib3\Math\BigInteger;
20
21class secp192k1 extends KoblitzPrime
22{
23    public function __construct()
24    {
25        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37', 16));
26        $this->setCoefficients(
27            new BigInteger('000000000000000000000000000000000000000000000000', 16),
28            new BigInteger('000000000000000000000000000000000000000000000003', 16)
29        );
30        $this->setBasePoint(
31            new BigInteger('DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D', 16),
32            new BigInteger('9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D', 16)
33        );
34        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D', 16));
35
36        $this->basis = [];
37        $this->basis[] = [
38            'a' => new BigInteger('00B3FB3400DEC5C4ADCEB8655C', -16),
39            'b' => new BigInteger('8EE96418CCF4CFC7124FDA0F', -16)
40        ];
41        $this->basis[] = [
42            'a' => new BigInteger('01D90D03E8F096B9948B20F0A9', -16),
43            'b' => new BigInteger('42E49819ABBA9474E1083F6B', -16)
44        ];
45        $this->beta = $this->factory->newInteger(new BigInteger('447A96E6C647963E2F7809FEAAB46947F34B0AA3CA0BBA74', -16));
46    }
47}
48