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64 lines
No EOL
1.3 KiB
PHP
64 lines
No EOL
1.3 KiB
PHP
<?php
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/**
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*
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* @package sftp
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* @version $Id$
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* @copyright (c) 2006 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
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* Code from http://phpseclib.sourceforge.net/
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*
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* Modified by phpBB Group to meet our coding standards
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* and being able to integrate into phpBB
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*
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* Copyright 2007-2009 TerraFrost <terrafrost@php.net>
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* Copyright 2009+ phpBB
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*
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* @package sftp
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* @author TerraFrost <terrafrost@php.net>
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*/
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/**
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* Generate a random value. Feel free to replace this function with a cryptographically secure PRNG.
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*
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* @param optional Integer $min
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* @param optional Integer $max
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* @param optional String $randomness_path
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* @return Integer
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* @access public
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*/
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function crypt_random($min = 0, $max = 0x7FFFFFFF, $randomness_path = '/dev/urandom')
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{
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static $seeded = false;
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if (!$seeded)
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{
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$seeded = true;
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if (file_exists($randomness_path))
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{
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$fp = fopen($randomness_path, 'r');
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$temp = unpack('Nint', fread($fp, 4));
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mt_srand($temp['int']);
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fclose($fp);
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}
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else
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{
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list($sec, $usec) = explode(' ', microtime());
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mt_srand((float) $sec + ((float) $usec * 100000));
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}
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}
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return mt_rand($min, $max);
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}
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?>
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