FM / Keys

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

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

Name	Size	Mode	Actions
OpenSSH.php	3912	0644	edit dl rm
PKCS1.php	4240	0644	edit dl rm
PKCS8.php	5229	0644	edit dl rm
PuTTY.php	3639	0644	edit dl rm
Raw.php	2696	0644	edit dl rm
XML.php	5045	0644	edit dl rm

Edit: /home/techb158/immovalet.com/vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PKCS8.php (5229B)

<?php

/**
 * PKCS#8 Formatted DSA Key Handler
 *
 * PHP version 5
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
 * is specific to private keys it's basically creating a DER-encoded wrapper
 * for keys. This just extends that same concept to public keys (much like ssh-keygen)
 *
 * @category  Crypt
 * @package   DSA
 * @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\DSA\Formats\Keys;

use phpseclib3\Math\BigInteger;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Common\Functions\Strings;

/**
 * PKCS#8 Formatted DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends Progenitor
{
    /**
     * OID Name
     *
     * @var string
     * @access private
     */
    const OID_NAME = 'id-dsa';

/**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = '1.2.840.10040.4.1';

/**
     * Child OIDs loaded
     *
     * @var bool
     * @access private
     */
    protected static $childOIDsLoaded = false;

/**
     * 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));
        }

$isPublic = strpos($key, 'PUBLIC') !== false;

$key = parent::load($key, $password);

$type = isset($key['privateKey']) ? 'privateKey' : 'publicKey';

switch (true) {
            case !$isPublic && $type == 'publicKey':
                throw new \UnexpectedValueException('Human readable string claims non-public key but DER encoded string claims public key');
            case $isPublic && $type == 'privateKey':
                throw new \UnexpectedValueException('Human readable string claims public key but DER encoded string claims private key');
        }

$decoded = ASN1::decodeBER($key[$type . 'Algorithm']['parameters']->element);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER of parameters');
        }
        $components = ASN1::asn1map($decoded[0], Maps\DSAParams::MAP);
        if (!is_array($components)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping on parameters');
        }

$decoded = ASN1::decodeBER($key[$type]);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

$var = $type == 'privateKey' ? 'x' : 'y';
        $components[$var] = ASN1::asn1map($decoded[0], Maps\DSAPublicKey::MAP);
        if (!$components[$var] instanceof BigInteger) {
            throw new \RuntimeException('Unable to perform ASN1 mapping');
        }

if (isset($key['meta'])) {
            $components['meta'] = $key['meta'];
        }

return $components;
    }

/**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '', array $options = [])
    {
        $params = [
            'p' => $p,
            'q' => $q,
            'g' => $g
        ];
        $params = ASN1::encodeDER($params, Maps\DSAParams::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($x, Maps\DSAPublicKey::MAP);
        return self::wrapPrivateKey($key, [], $params, $password, $options);
    }

/**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, array $options = [])
    {
        $params = [
            'p' => $p,
            'q' => $q,
            'g' => $g
        ];
        $params = ASN1::encodeDER($params, Maps\DSAParams::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP);
        return self::wrapPublicKey($key, $params);
    }
}

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