Elementor #2722 - Door of Clubs

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Current Directory: wp-content/plugins/google-site-kit/third-party/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys

Linux appserver-0d5e4f1e-php-cc8da225320a42ba9b7d66cba40b1f03 6.6.123+ #1 SMP PREEMPT_DYNAMIC Wed Mar 11 09:04:28 UTC 2026 x86_64

Edit File: XML.php

<?php

/**
 * XML Formatted DSA Key Handler
 *
 * While XKMS defines a private key format for RSA it does not do so for DSA. Quoting that standard:
 *
 * "[XKMS] does not specify private key parameters for the DSA signature algorithm since the algorithm only
 *  supports signature modes and so the application of server generated keys and key recovery is of limited
 *  value"
 *
 * 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 Google\Site_Kit_Dependencies\phpseclib3\Crypt\DSA\Formats\Keys;

use Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings;
use Google\Site_Kit_Dependencies\phpseclib3\Exception\BadConfigurationException;
use Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger;
/**
 * XML Formatted DSA Key Handler
 *
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class XML
{
    /**
     * 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, $password = '')
    {
        if (!\Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . \gettype($key));
        }
        if (!\class_exists('DOMDocument')) {
            throw new \Google\Site_Kit_Dependencies\phpseclib3\Exception\BadConfigurationException('The dom extension is not setup correctly on this system');
        }
        $use_errors = \libxml_use_internal_errors(\true);
        $dom = new \DOMDocument();
        if (\substr($key, 0, 5) != '<?xml') {
            $key = '<xml>' . $key . '</xml>';
        }
        if (!$dom->loadXML($key)) {
            \libxml_use_internal_errors($use_errors);
            throw new \UnexpectedValueException('Key does not appear to contain XML');
        }
        $xpath = new \DOMXPath($dom);
        $keys = ['p', 'q', 'g', 'y', 'j', 'seed', 'pgencounter'];
        foreach ($keys as $key) {
            // $dom->getElementsByTagName($key) is case-sensitive
            $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='{$key}']");
            if (!$temp->length) {
                continue;
            }
            $value = new \Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger(\Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::base64_decode($temp->item(0)->nodeValue), 256);
            switch ($key) {
                case 'p':
                    // a prime modulus meeting the [DSS] requirements
                    // Parameters P, Q, and G can be public and common to a group of users. They might be known
                    // from application context. As such, they are optional but P and Q must either both appear
                    // or both be absent
                    $components['p'] = $value;
                    break;
                case 'q':
                    // an integer in the range 2**159 < Q < 2**160 which is a prime divisor of P-1
                    $components['q'] = $value;
                    break;
                case 'g':
                    // an integer with certain properties with respect to P and Q
                    $components['g'] = $value;
                    break;
                case 'y':
                    // G**X mod P (where X is part of the private key and not made public)
                    $components['y'] = $value;
                // the remaining options do not do anything
                case 'j':
                // (P - 1) / Q
                // Parameter J is available for inclusion solely for efficiency as it is calculatable from
                // P and Q
                case 'seed':
                // a DSA prime generation seed
                // Parameters seed and pgenCounter are used in the DSA prime number generation algorithm
                // specified in [DSS]. As such, they are optional but must either both be present or both
                // be absent
                case 'pgencounter':
            }
        }
        \libxml_use_internal_errors($use_errors);
        if (!isset($components['y'])) {
            throw new \UnexpectedValueException('Key is missing y component');
        }
        switch (\true) {
            case !isset($components['p']):
            case !isset($components['q']):
            case !isset($components['g']):
                return ['y' => $components['y']];
        }
        return $components;
    }
    /**
     * Convert a public key to the appropriate format
     *
     * See https://www.w3.org/TR/xmldsig-core/#sec-DSAKeyValue
     *
     * @param BigInteger $p
     * @param BigInteger $q
     * @param BigInteger $g
     * @param BigInteger $y
     * @return string
     */
    public static function savePublicKey(\Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger $p, \Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger $q, \Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger $g, \Google\Site_Kit_Dependencies\phpseclib3\Math\BigInteger $y)
    {
        return "<DSAKeyValue>\r\n" . '  <P>' . \Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::base64_encode($p->toBytes()) . "</P>\r\n" . '  <Q>' . \Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::base64_encode($q->toBytes()) . "</Q>\r\n" . '  <G>' . \Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::base64_encode($g->toBytes()) . "</G>\r\n" . '  <Y>' . \Google\Site_Kit_Dependencies\phpseclib3\Common\Functions\Strings::base64_encode($y->toBytes()) . "</Y>\r\n" . '</DSAKeyValue>';
    }
}

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Name	Type	Size	Actions
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OpenSSH.php	File	4.36 KB	Rename \| Delete \| Edit
PKCS1.php	File	5.07 KB	Rename \| Delete \| Edit
PKCS8.php	File	5.40 KB	Rename \| Delete \| Edit
PuTTY.php	File	4.11 KB	Rename \| Delete \| Edit
Raw.php	File	3.03 KB	Rename \| Delete \| Edit
XML.php	File	5.72 KB	Rename \| Delete \| Edit

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