78 lines
1.8 KiB
PHP
78 lines
1.8 KiB
PHP
<?php
|
|
|
|
/*
|
|
* The RandomLib library for securely generating random numbers and strings in PHP
|
|
*
|
|
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
|
|
* @copyright 2011 The Authors
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
* @version Build @@version@@
|
|
*/
|
|
|
|
/**
|
|
* The UniqID Random Number Source
|
|
*
|
|
* This uses the internal `uniqid()` function to generate low strength random
|
|
* numbers.
|
|
*
|
|
* PHP version 5.3
|
|
*
|
|
* @category PHPCryptLib
|
|
* @package Random
|
|
* @subpackage Source
|
|
*
|
|
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
|
|
* @copyright 2011 The Authors
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
*
|
|
* @version Build @@version@@
|
|
*/
|
|
namespace RandomLib\Source;
|
|
|
|
use SecurityLib\Strength;
|
|
use SecurityLib\Util;
|
|
|
|
/**
|
|
* The UniqID Random Number Source
|
|
*
|
|
* This uses the internal `uniqid()` function to generate low strength random
|
|
* numbers.
|
|
*
|
|
* @category PHPCryptLib
|
|
* @package Random
|
|
* @subpackage Source
|
|
*
|
|
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
|
|
* @codeCoverageIgnore
|
|
*/
|
|
class UniqID extends \RandomLib\AbstractSource
|
|
{
|
|
|
|
/**
|
|
* Return an instance of Strength indicating the strength of the source
|
|
*
|
|
* @return \SecurityLib\Strength An instance of one of the strength classes
|
|
*/
|
|
public static function getStrength()
|
|
{
|
|
return new Strength(Strength::LOW);
|
|
}
|
|
|
|
/**
|
|
* Generate a random string of the specified size
|
|
*
|
|
* @param int $size The size of the requested random string
|
|
*
|
|
* @return string A string of the requested size
|
|
*/
|
|
public function generate($size)
|
|
{
|
|
$result = '';
|
|
while (Util::safeStrlen($result) < $size) {
|
|
$result = uniqid($result, true);
|
|
}
|
|
|
|
return Util::safeSubstr($result, 0, $size);
|
|
}
|
|
}
|