PrivateBin/tst/mcrypt_mock.php

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PHP
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<?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);
}