| Server IP : 68.65.120.201 / Your IP : 216.73.216.221 Web Server : LiteSpeed System : Linux server179.web-hosting.com 4.18.0-513.18.1.lve.el8.x86_64 #1 SMP Thu Feb 22 12:55:50 UTC 2024 x86_64 User : taxhyuvu ( 2294) PHP Version : 8.1.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /home/taxhyuvu/www/vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/ |
Upload File : |
<?php
/**
* Montgomery Public Key Handler
*
* PHP version 5
*
* @author Jim Wigginton <terrafrost@php.net>
* @copyright 2015 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @link http://phpseclib.sourceforge.net
*/
namespace phpseclib3\Crypt\EC\Formats\Keys;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Crypt\EC\Curves\Curve448;
use phpseclib3\Math\BigInteger;
/**
* Montgomery Public Key Handler
*
* @author Jim Wigginton <terrafrost@php.net>
*/
abstract class MontgomeryPublic
{
/**
* Is invisible flag
*
*/
const IS_INVISIBLE = true;
/**
* Break a public or private key down into its constituent components
*
* @param string $key
* @param string $password optional
* @return array
*/
public static function load($key, $password = '')
{
switch (strlen($key)) {
case 32:
$curve = new Curve25519();
break;
case 56:
$curve = new Curve448();
break;
default:
throw new \LengthException('The only supported lengths are 32 and 56');
}
$components = ['curve' => $curve];
$components['QA'] = [$components['curve']->convertInteger(new BigInteger(strrev($key), 256))];
return $components;
}
/**
* Convert an EC public key to the appropriate format
*
* @param \phpseclib3\Crypt\EC\BaseCurves\Montgomery $curve
* @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
* @return string
*/
public static function savePublicKey(MontgomeryCurve $curve, array $publicKey)
{
return strrev($publicKey[0]->toBytes());
}
}