112 lines
2.6 KiB
PHP
112 lines
2.6 KiB
PHP
<?php
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/**
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* PublicKeyLoader
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*
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* Returns a PublicKey or PrivateKey object.
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*
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* @author Jim Wigginton <terrafrost@php.net>
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* @copyright 2009 Jim Wigginton
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link http://phpseclib.sourceforge.net
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*/
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namespace phpseclib3\Crypt;
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use phpseclib3\Crypt\Common\AsymmetricKey;
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use phpseclib3\Crypt\Common\PrivateKey;
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use phpseclib3\Crypt\Common\PublicKey;
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use phpseclib3\Exception\NoKeyLoadedException;
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use phpseclib3\File\X509;
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/**
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* PublicKeyLoader
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*
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* @author Jim Wigginton <terrafrost@php.net>
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*/
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abstract class PublicKeyLoader
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{
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/**
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* Loads a public or private key
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*
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* @return AsymmetricKey
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* @param string|array $key
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* @param string $password optional
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*/
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public static function load($key, $password = false)
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{
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try {
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return EC::load($key, $password);
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} catch (NoKeyLoadedException $e) {
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}
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try {
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return RSA::load($key, $password);
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} catch (NoKeyLoadedException $e) {
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}
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try {
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return DSA::load($key, $password);
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} catch (NoKeyLoadedException $e) {
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}
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try {
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$x509 = new X509();
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$x509->loadX509($key);
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$key = $x509->getPublicKey();
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if ($key) {
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return $key;
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}
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} catch (\Exception $e) {
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}
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throw new NoKeyLoadedException('Unable to read key');
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}
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/**
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* Loads a private key
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*
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* @return PrivateKey
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* @param string|array $key
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* @param string $password optional
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*/
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public static function loadPrivateKey($key, $password = false)
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{
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$key = self::load($key, $password);
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if (!$key instanceof PrivateKey) {
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throw new NoKeyLoadedException('The key that was loaded was not a private key');
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}
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return $key;
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}
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/**
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* Loads a public key
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*
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* @return PublicKey
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* @param string|array $key
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*/
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public static function loadPublicKey($key)
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{
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$key = self::load($key);
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if (!$key instanceof PublicKey) {
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throw new NoKeyLoadedException('The key that was loaded was not a public key');
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}
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return $key;
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}
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/**
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* Loads parameters
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*
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* @return AsymmetricKey
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* @param string|array $key
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*/
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public static function loadParameters($key)
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{
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$key = self::load($key);
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if (!$key instanceof PrivateKey && !$key instanceof PublicKey) {
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throw new NoKeyLoadedException('The key that was loaded was not a parameter');
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}
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return $key;
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}
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}
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