Tatsumi Crew - File Manager

Type	Name	Operations
	images Open
	php53 Open
	php56 Open
	php71 Open
	php81 Open
	php82 Open
	changelog.txt	Edit Get
	clone.php	Edit Get
	config.core.php	Edit Get
	config.inc.php	Edit Get
	edit.php	Edit Get
	edit.xml	Edit Get
	extend.php	Edit Get
	fileindex.php	Edit Get
	import.php	Edit Get
	info.xml	Edit Get
	install.js	Edit Get
	install.php	Edit Get
	install.xml	Edit Get
	md5	Edit Get
	modhashing.class.php	Edit Get
	modpbkdf2.class.php	Edit Get
	notes.txt	Edit Get
	update_pass.php	Edit Get
	upgrade.php	Edit Get
	upgrade.xml	Edit Get
	xpdo.class.php	Edit Get

File Editor: `modpbkdf2.class.php`

<?php
/**
 * This file contains a modHash implementation of RSA PDKDF2.
 * @package modx
 * @subpackage hashing
 */

/**
 * A PBKDF2 implementation of modHash.
 *
 * {@inheritdoc}
 *
 * @package modx
 * @subpackage hashing
 */
 
class modPBKDF2 extends modHash {
    /**
     * Generate a hash of a string using the RSA PBKDFA2 specification.
     *
     * The following options are available:
     *  - salt (required): a valid, non-empty string to salt the hashes
     *  - iterations: the number of iterations per block, default is 1000 (< 1000 not recommended)
     *  - derived_key_length: the size of the derived key to generate, default is 32
     *  - algorithm: the hash algorithm to use, default is sha256
     *  - raw_output: if true, returns binary output, otherwise derived key is base64_encode()'d; default is false
     *
     * @param string $string A string to generate a secure hash from.
     * @param array $options An array of options to be passed to the hash implementation.
     * @return mixed The hash result or false on failure.
     */
    public function hash($string, array $options = array()) {
        $derivedKey = false;
        $salt = $this->getOption('salt', $options, false);
        if (is_string($salt) && strlen($salt) > 0) {
            $iterations = (integer) $this->getOption('iterations', $options, 1000);
            $derivedKeyLength = (integer) $this->getOption('derived_key_length', $options, 32);
            $algorithm = $this->getOption('algorithm', $options, 'sha256');

            $hashLength = strlen(hash($algorithm, null, true));
            $keyBlocks = ceil($derivedKeyLength / $hashLength);
            $derivedKey = '';
            for ($block = 1; $block <= $keyBlocks; $block++) {
                $hashBlock = $hb = hash_hmac($algorithm, $salt . pack('N', $block), $string, true);
                for ($blockIteration = 1; $blockIteration < $iterations; $blockIteration++) {
                    $hashBlock ^= ($hb = hash_hmac($algorithm, $hb, $string, true));
                }
                $derivedKey .= $hashBlock;
            }
            $derivedKey = substr($derivedKey, 0, $derivedKeyLength);
            if (!$this->getOption('raw_output', $options, false)) {
                $derivedKey = base64_encode($derivedKey);
            }
        } else {
            $this->host->modx->log(modX::LOG_LEVEL_ERROR, "PBKDF2 requires a valid salt string.", '', __METHOD__, __FILE__, __LINE__);
        }
        return $derivedKey;
    }
	
	
}

Current Directory

File Transfer

File Editor: modpbkdf2.class.php

File Editor: `modpbkdf2.class.php`