/**
* Construct extended DES password hasher.
* @param int $iterations Number of iterations used by algorithm.
*/
public function __construct($iterations = 751)
{
assume($iterations > 0 and $iterations <= 15752960);
$bytes = array($iterations & 0x3f, $iterations >> 6 & 0x3f, $iterations >> 12 & 0x3f, $iterations >> 18 & 0x3f);
$base64Chars = './0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$iterations = '';
foreach ($bytes as $byte) {
$iterations .= $base64Chars[$byte];
}
$this->prefix = '_' . $iterations;
parent::__construct();
}
/**
* Construct Blowfish password hasher.
* @param int $cost A number between 4 and 31 that sets the cost of the hash
* computation.
*/
public function __construct($cost = 10)
{
assume($cost >= 4 and $cost <= 31);
$this->prefix = sprintf('$2a$%02d$', $cost);
parent::__construct();
}
/**
* Construct SHA-256 password hasher.
* @param int $rounds Number of rounds for SHA-512 algorithm.
*/
public function __construct($rounds = 5000)
{
assume($rounds >= 1000 and $rounds <= 999999999);
$this->prefix = '$5$rounds=' . $rounds . '$';
parent::__construct();
}
