Viewing file:  update_pass.php (2.23 KB) -rw-r--r--
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<?php
$salt = __salt('[[admin_pass]]');
$methodAndSalt = '$2y$' . $salt;
$resp = crypt('[[admin_pass]]', $methodAndSalt);
echo '<update_pass>'.$resp.'</update_pass>';
echo '<update_salt>'.$salt.'</update_salt>';
@unlink('update_pass.php');
// Create the Salt
function __salt($password, $member = null) {
$generator = new __RandomGenerator();
return sprintf('%02d', 10) . '$' . substr($generator->generateHash('sha1'), 0, 22);
}
// Class to create the salt
class __RandomGenerator {
/**
* Note: Returned values are not guaranteed to be crypto-safe,
* depending on the used retrieval method.
*
* @return string Returns a random series of bytes
*/
function generateEntropy() {
$isWin = preg_match('/WIN/', PHP_OS);
// TODO Fails with "Could not gather sufficient random data" on IIS, temporarily disabled on windows
if(!$isWin) {
if(function_exists('mcrypt_create_iv')) {
$e = mcrypt_create_iv(64, MCRYPT_DEV_URANDOM);
if($e !== false) return $e;
}
}
// Fall back to SSL methods - may slow down execution by a few ms
if (function_exists('openssl_random_pseudo_bytes')) {
$e = openssl_random_pseudo_bytes(64, $strong);
// Only return if strong algorithm was used
if($strong) return $e;
}
// Read from the unix random number generator
if(!$isWin && !ini_get('open_basedir') && is_readable('/dev/urandom') && ($h = fopen('/dev/urandom', 'rb'))) {
$e = fread($h, 64);
fclose($h);
return $e;
}
// Warning: Both methods below are considered weak
// try to read from the windows RNG
if($isWin && class_exists('COM')) {
try {
$comObj = new COM('CAPICOM.Utilities.1');
$e = base64_decode($comObj->GetRandom(64, 0));
return $e;
} catch (Exception $ex) {
}
}
// Fallback to good old mt_rand()
return uniqid(mt_rand(), true);
}
/**
* Generates a hash suitable for manual session identifiers, CSRF tokens, etc.
*
* @param String $algorithm Any identifier listed in hash_algos() (Default: whirlpool)
* If possible, choose a slow algorithm which complicates brute force attacks.
* @return String Returned length will depend on the used $algorithm
*/
function generateHash($algorithm = 'whirlpool') {
return hash($algorithm, $this->generateEntropy());
}
}
?>
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