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✏️ Editing: secp256k1.php

<?php

/**
 * secp256k1
 *
 * This is the curve used in Bitcoin
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

//use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib3\Math\BigInteger;

//class secp256k1 extends Prime
class secp256k1 extends KoblitzPrime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F', 16));
        $this->setCoefficients(
            new BigInteger('0000000000000000000000000000000000000000000000000000000000000000', 16),
            new BigInteger('0000000000000000000000000000000000000000000000000000000000000007', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141', 16));
        $this->setBasePoint(
            new BigInteger('79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798', 16),
            new BigInteger('483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8', 16)
        );

$this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16),
            'b' => new BigInteger('FF1BBC8129FEF177D790AB8056F5401B3D', -16)
        ];
        $this->basis[] = [
            'a' => new BigInteger('114CA50F7A8E2F3F657C1108D9D44CFD8', -16),
            'b' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16)
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('7AE96A2B657C07106E64479EAC3434E99CF0497512F58995C1396C28719501EE', -16));
    }
}

✏️ Editing: secp256k1.php

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