/home/kueuepay/public_html/vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Curve448.php
<?php

/**
 * Curve448
 *
 * PHP version 5 and 7
 *
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 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\Montgomery;
use phpseclib3\Math\BigInteger;

class Curve448 extends Montgomery
{
    public function __construct()
    {
        // 2^448 - 2^224 - 1
        $this->setModulo(new BigInteger(
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE' .
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF',
            16
        ));
        $this->a24 = $this->factory->newInteger(new BigInteger('39081'));
        $this->p = [$this->factory->newInteger(new BigInteger(5))];
        // 2^446 - 0x8335dc163bb124b65129c96fde933d8d723a70aadc873d6d54a7bb0d
        $this->setOrder(new BigInteger(
            '3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
            '7CCA23E9C44EDB49AED63690216CC2728DC58F552378C292AB5844F3',
            16
        ));

        /*
        $this->setCoefficients(
            new BigInteger('156326'), // a
        );
        $this->setBasePoint(
            new BigInteger(5),
            new BigInteger(
                '355293926785568175264127502063783334808976399387714271831880898' .
                '435169088786967410002932673765864550910142774147268105838985595290' .
                '606362')
        );
        */
    }

    /**
     * Multiply a point on the curve by a scalar
     *
     * Modifies the scalar as described at https://tools.ietf.org/html/rfc7748#page-8
     *
     * @return array
     */
    public function multiplyPoint(array $p, BigInteger $d)
    {
        //$r = strrev(sodium_crypto_scalarmult($d->toBytes(), strrev($p[0]->toBytes())));
        //return [$this->factory->newInteger(new BigInteger($r, 256))];

        $d = $d->toBytes();
        $d[0] = $d[0] & "\xFC";
        $d = strrev($d);
        $d |= "\x80";
        $d = new BigInteger($d, 256);

        return parent::multiplyPoint($p, $d);
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return BigInteger
     */
    public function createRandomMultiplier()
    {
        return BigInteger::random(446);
    }

    /**
     * Performs range check
     */
    public function rangeCheck(BigInteger $x)
    {
        if ($x->getLength() > 448 || $x->isNegative()) {
            throw new \RangeException('x must be a positive integer less than 446 bytes in length');
        }
    }
}
Path: home/kueuepay/public_html/vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves
Authentication
Developer
Back to Home page

Authentication

To access the Kueue Pay Developer API, you’ll need an API key. You can obtain your API key by logging in to your Kueue Pay merchant account and navigating to the API section. Collect Client ID , Secret ID & Merchant ID Carefully. Keep your API key confidential and do not share it publicly.

If you don't have any merchant account please Register to continue
Prerequisites Base URL