18 lines
377 B
PHP
18 lines
377 B
PHP
|
<?php
|
||
|
|
|
||
|
|
define('MCRYPT_DEV_URANDOM', 1);
|
||
|
|
|
||
|
|
function mcrypt_create_iv($int, $flag)
|
||
|
|
{
|
||
|
|
$randomSalt = '';
|
||
|
|
for($i = 0; $i < 16; ++$i) {
|
||
|
|
$randomSalt .= base_convert(mt_rand(), 10, 16);
|
||
|
|
}
|
||
|
|
// hex2bin requires an even length, pad if necessary
|
||
|
|
if (strlen($randomSalt) % 2)
|
||
|
|
{
|
||
|
|
$randomSalt = '0' . $randomSalt;
|
||
|
|
}
|
||
|
|
return hex2bin($randomSalt);
|
||
|
|
}
|