FM / Keys

/home/techb158/immovalet.com/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/

/home/techb158/immovalet.com/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys

Name	Size	Mode	Actions
MSBLOB.php	7800	0644	edit dl rm
OpenSSH.php	4263	0644	edit dl rm
PKCS1.php	5146	0644	edit dl rm
PKCS8.php	4168	0644	edit dl rm
PSS.php	7966	0644	edit dl rm
PuTTY.php	3856	0644	edit dl rm
Raw.php	3243	0644	edit dl rm
XML.php	5903	0644	edit dl rm

Edit: /home/techb158/immovalet.com/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/XML.php (5903B)

<?php

/**
 * XML Formatted RSA Key Handler
 *
 * More info:
 *
 * http://www.w3.org/TR/xmldsig-core/#sec-RSAKeyValue
 * http://www.w3.org/TR/xkms2/#XKMS_2_0_Paragraph_269
 * http://en.wikipedia.org/wiki/XML_Signature
 * http://en.wikipedia.org/wiki/XKMS
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   RSA
 * @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\RSA\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Math\BigInteger;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\UnsupportedFormatException;

/**
 * XML Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class XML
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

$components = [
            'isPublicKey' => false,
            'primes' => [],
            'exponents' => [],
            'coefficients' => []
        ];

$use_errors = libxml_use_internal_errors(true);

$dom = new \DOMDocument();
        if (substr($key, 0, 5) != '<?xml') {
            $key = '<xml>' . $key . '</xml>';
        }
        if (!$dom->loadXML($key)) {
            throw new \UnexpectedValueException('Key does not appear to contain XML');
        }
        $xpath = new \DOMXPath($dom);
        $keys = ['modulus', 'exponent', 'p', 'q', 'dp', 'dq', 'inverseq', 'd'];
        foreach ($keys as $key) {
            // $dom->getElementsByTagName($key) is case-sensitive
            $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$key']");
            if (!$temp->length) {
                continue;
            }
            $value = new BigInteger(Base64::decode($temp->item(0)->nodeValue), 256);
            switch ($key) {
                case 'modulus':
                    $components['modulus'] = $value;
                    break;
                case 'exponent':
                    $components['publicExponent'] = $value;
                    break;
                case 'p':
                    $components['primes'][1] = $value;
                    break;
                case 'q':
                    $components['primes'][2] = $value;
                    break;
                case 'dp':
                    $components['exponents'][1] = $value;
                    break;
                case 'dq':
                    $components['exponents'][2] = $value;
                    break;
                case 'inverseq':
                    $components['coefficients'][2] = $value;
                    break;
                case 'd':
                    $components['privateExponent'] = $value;
            }
        }

libxml_use_internal_errors($use_errors);

foreach ($components as $key => $value) {
            if (is_array($value) && !count($value)) {
                unset($components[$key]);
            }
        }

if (isset($components['modulus']) && isset($components['publicExponent'])) {
            if (count($components) == 3) {
                $components['isPublicKey'] = true;
            }
            return $components;
        }

throw new \UnexpectedValueException('Modulus / exponent not present');
    }

/**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '')
    {
        if (count($primes) != 2) {
            throw new \InvalidArgumentException('XML does not support multi-prime RSA keys');
        }

if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('XML private keys do not support encryption');
        }

return "<RSAKeyPair>\r\n" .
               '  <Modulus>' . Base64::encode($n->toBytes()) . "</Modulus>\r\n" .
               '  <Exponent>' . Base64::encode($e->toBytes()) . "</Exponent>\r\n" .
               '  <P>' . Base64::encode($primes[1]->toBytes()) . "</P>\r\n" .
               '  <Q>' . Base64::encode($primes[2]->toBytes()) . "</Q>\r\n" .
               '  <DP>' . Base64::encode($exponents[1]->toBytes()) . "</DP>\r\n" .
               '  <DQ>' . Base64::encode($exponents[2]->toBytes()) . "</DQ>\r\n" .
               '  <InverseQ>' . Base64::encode($coefficients[2]->toBytes()) . "</InverseQ>\r\n" .
               '  <D>' . Base64::encode($d->toBytes()) . "</D>\r\n" .
               '</RSAKeyPair>';
    }

/**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        return "<RSAKeyValue>\r\n" .
               '  <Modulus>' . Base64::encode($n->toBytes()) . "</Modulus>\r\n" .
               '  <Exponent>' . Base64::encode($e->toBytes()) . "</Exponent>\r\n" .
               '</RSAKeyValue>';
    }
}

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