// Encrypts the password with given algorithm and salt

	private function _hashPassword($password, $algorithm, $salt) {

		if ($algorithm != "md5") {

			return hash_hmac($algorithm, $password, $salt);

		} else {

			return md5(md5($password));

		}

	}

 

	// Generates a random password with given length

	public static function getNewPassword($length = 12) {

		$chars = array("abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ", "123456789", "@!#$%&/()=-_?+*.,:;");

		$count = array((strlen($chars[0]) - 1), (strlen($chars[1]) - 1), (strlen($chars[2]) - 1));

 

		if ($length > 64) { $length = 64; }

 

		$pass = "";

		for ($i = 0; $i <= $length; $i++) {

			$type = mt_rand(0, 2);

			$pass .= substr($chars[$type], mt_rand(0, $count[$type]), 1);

		}

 

		return $pass;

	}